CN108296038A - A kind of rotary atomizer system - Google Patents
A kind of rotary atomizer system Download PDFInfo
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- CN108296038A CN108296038A CN201810412274.XA CN201810412274A CN108296038A CN 108296038 A CN108296038 A CN 108296038A CN 201810412274 A CN201810412274 A CN 201810412274A CN 108296038 A CN108296038 A CN 108296038A
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- Prior art keywords
- rotary
- inner ring
- feed liquid
- atomizing wheel
- nozzle
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- 239000007788 liquid Substances 0.000 claims abstract description 135
- 239000000411 inducer Substances 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 46
- 238000011161 development Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 12
- 238000000889 atomisation Methods 0.000 abstract description 4
- 239000006199 nebulizer Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 18
- 238000005299 abrasion Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000012527 feed solution Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009690 centrifugal atomisation Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a kind of rotary atomizer systems, belong to nebulizer technologies field.A kind of rotary atomizer system of the present invention, including feed liquid distributor, rotary-atomizing wheel and live spindle, the discharge duct of wherein feed liquid distributor correspond to the atomizing wheel import of rotary-atomizing wheel, and circumferentially uniform intervals are provided with guide vane two on the inner wall of discharge duct；The atomizing wheel exit of rotary-atomizing wheel is equipped with nozzle, and ingate is offered in the inner ring inducer of nozzle, and ingate is eccentric reducing hole.It is an object of the invention to overcome the shortcomings of that atomizer serious wear in the prior art and feed liquid distribution are uneven, a kind of rotary atomizer system is provided, can ensure that feed liquid is uniformly distributed into discharge duct and atomizing wheel so that atomization is uniform, nozzle is not easy to plug, and improves the service life of atomizer.
Description
Technical field
The present invention relates to nebulizer technologies fields, more specifically to a kind of rotary atomizer system.
Background technology
The feed liquid dispenser designs of most of high speed rotation dry nebulizer are all made of scroll casing type and orifice plate both at home and abroad at present
Formula structure.For scroll casing type feed liquid distributor when design discharge is run, feed liquid each cross sectional flow rate in spiral case is balanced, into discharge duct
It is evenly distributed, while the balanced radial force from feed liquid suffered by main shaft.When feed liquid flow off-design flow, each cross sectional flow rate
It differs, the feed liquid into discharge duct is caused to be unevenly distributed or even feed liquid silting.Orifice-plate type feed liquid dispensing arrangement is simple, but to material
Liquid stream resistance is very big, be easy to cause feed liquid silting, while big flow requires hole plate suqare big, causes equipment too fat to move.Two kinds of structure material
Liquid distributor can only discharging vertically downward, and material feeding atomizing wheel in lower part causes atomizing wheel serious wear, mist because being high speed rotation
It is more severe because being worn with supplied materials angle reason to change wheel radial nozzle, and is easy to block.Abrasion, which blocks, makes high-speed rotating mist
Change and take turns weighing apparatus acceleration damage partially, while leading to main shaft, main shaft bearing and guide bearing damage because atomizing wheel weighs to vibrate partially, is made when serious
It is damaged because of vibration at atomizer is whole.
High speed rotation atomizer originally is mostly used in medicine and food service industry, the proportioning and stream of material in production process
Amount is stablized relatively, can also meet production requirement using existing scroll casing type and orifice-plate type feed liquid distributor.But as Environmental Protection in China is arranged
Further increasing for requirement is put, high speed rotation atomizer largely makes in the semi-dry desulphurizations project such as metallurgy, electric power, coal chemical industry
With just exposure is undoubtedly the shortcomings that, two kinds of feed liquid distributors.Because the technique and dispensing of metallurgical production are unstable, the sulfur content of flue gas
Clearly with temperature fluctuation, it is desirable that desulfurization feed liquid must change therewith.Since the variation of desulfurization feed liquid causes atomizing wheel to lose
Balance, causes equipment damage, has seriously affected normal production.Therefore, abrasion and the feed liquid of high speed rotation atomizer how to be solved
Partition equilibrium problem is just particularly important.
Through retrieval, have a large amount of patent disclosures, such as Chinese Patent Application No. about the design of atomizer at present：
2017208927927, the applying date：On July 21st, 2017, invention and created name are：A kind of high speed centrifugal atomization device feed liquid distribution
Device, including feed liquid distributor holder, feed liquid distribution plate, feed liquid distributor and cooling water pond, feed liquid distribution plate are embedded in lower section
In feed liquid distributor holder, positioning is connect with feed liquid distributor holder by sunk screw, and seal by O-ring seal；Material
Liquid distributor cooling water pond is arranged in the bottom of feed liquid distribution plate, and positioning is connect with feed liquid distributor holder by sunk screw.
Disadvantage is that：The wear problem of high speed rotation atomizer is still serious, is not well solved.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the shortcomings of that atomizer serious wear in the prior art and feed liquid distribution are uneven, provide
A kind of rotary atomizer system can ensure that feed liquid is uniformly distributed into discharge duct and atomizing wheel so that atomization is uniform, and nozzle is not
It easily blocks, improves the service life of high speed rotation atomizer.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of rotary atomizer system of the present invention, including feed liquid distributor, rotary-atomizing wheel and live spindle, wherein expecting
The discharge duct of liquid distributor corresponds to the atomizing wheel import of rotary-atomizing wheel, and circumferentially uniform intervals are provided on the inner wall of discharge duct
Guide vane two；The atomizing wheel exit of rotary-atomizing wheel is equipped with nozzle, and ingate, ingate are offered in the inner ring inducer of nozzle
For eccentric reducing hole.
Further, nozzle includes shell, and the both ends of shell are respectively inner ring inducer and inner ring outlet section, inner ring into
The circumferential side wall of mouth section includes inner ring boss and inner ring concave station, and the height of inner ring concave station is less than the height of inner ring boss, and inner ring
The both ends of concave station are connected by the circular arc ascent stage with the both ends of inner ring boss.
Further, it is equipped with spiral case in feed liquid distributor, is provided with guide vane one in spiral case, guide vane one is gradually opened along spiral case
Line gradually evolution to extension.
Further, the angle between the length extending direction and the axis direction of discharge duct of guide vane two is α, α=0 °-
45°。
Further, the quantity of guide vane two is even number.
Further, ingate is threaded hole, and the section of ingate is slotted eye.
Further, the outlet opening communicated with ingate is offered in inner ring outlet section, outlet opening is threaded hole, and is gone out
The section of oral pore is slotted eye.
Further, the aperture of outlet opening is less than the aperture of ingate.
Further, stream material groove is offered at the top of the circumferential side wall of inner ring concave station, the development length of stream material groove is super
The circular arc for going out inner ring concave station both ends rises fragment position.
Further, height of the bottom surface of stream material groove between the top surface of inner ring concave station is 2-3mm.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) a kind of rotary atomizer system of the invention, circumferentially uniform intervals are provided with guide vane on the inner wall of discharge duct
Two, guide vane two takes upper surface along the direction inclined structure design gradually downward close to live spindle, and feed liquid can be made to cut
The angle of line enters rotary-atomizing wheel, can effectively reduce abrasion of the feed liquid to rotary-atomizing wheel, improves making for rotary-atomizing wheel
Use the service life.
(2) the atomizing wheel exit of a kind of rotary atomizer system of the invention, rotary-atomizing wheel is equipped with nozzle, nozzle
Ingate is offered in inner ring inducer, ingate is eccentric reducing hole.The design of eccentric orfice reducing makes the week of inner ring inducer
It is divided into the asymmetric periphery of thickness to side wall, in use, the side wall of thick periphery is rotated towards rotary-atomizing wheel anti-
Direction can ensure the side wall of key wear thickness periphery when the feed liquid in rotary-atomizing wheel enters nozzle, to increase in this way
The one-sided thickness of feed liquid wash surface, reduces impact wear of the feed liquid to nozzle, avoids causing nozzle uneven wear serious
Problem improves the service life of nozzle.
(3) a kind of rotary atomizer system of the invention, the circumferential side wall of inner ring inducer includes inner ring boss and inner ring
Concave station, the height of inner ring concave station is less than the height of inner ring boss, and the both ends of inner ring concave station pass through circular arc ascent stage and inner ring
The both ends of boss are connected.Feed liquid enters nozzle at the top end face by inner ring concave station, the height of the inner ring concave station of design is less than interior
The height of boss is enclosed, is convenient for the collection of feed liquid, reduces the resistance of feed liquid flow nozzle.
(4) a kind of rotary atomizer system of the invention, feed liquid distributor is interior to be equipped with spiral case, and guide vane is provided in spiral case
One, guide vane one along spiral case involute gradually evolution to extension.The feed liquid entered in spiral case is divided into two strands by guide vane one so that feed liquid
The flow velocity in each section is balanced in spiral case, is evenly distributed into discharge duct, while in the case of ensure that feed liquid variation, rotation master
The radial load from feed liquid suffered by axis can keep balance, improve the service life of rotary atomizer system integral device.
(5) inner wall of a kind of rotary atomizer system of the invention, Leaf positional distribution direction and discharge duct on guide vane two is high
The angle spent on direction is α, -45 ° of α=0 °.When α is not equal to 0 °, being obliquely installed for multi-disc guide vane two makes it in discharge duct
It is distributed in one-piece auger on inner wall, uniform divided flows can be carried out to the feed liquid of entrance and pre- swirl effect is generated to feed solution flow, made
Feed liquid enters rotary-atomizing wheel with tangential angle, and the rotation direction of rotary-atomizing wheel is complied in the angle of inclination setting of guide vane two, makes material
Liquid is more easy to enter nozzle, and the service life of rotary-atomizing wheel, ultimate guarantee rotary-atomizing wheel and rotation can be further improved
The steady operating of main shaft.
(6) quantity of a kind of rotary atomizer system of the invention, guide vane two is even number.The design of even number can be by feed liquid
It is assigned as even number part, feed liquid distribution is balanced, is allowed to the even number number of corresponding nozzle, and feed liquid can be ensured evenly into rotation mist
Change wheel, and be uniformly discharged through nozzle, keep the rotation of rotary-atomizing wheel steady, atomization is uniform, and nozzle is not susceptible to block, and further protects
The long-term accessible work of rotary atomizer system integral device is hindered.
(7) a kind of rotary atomizer system of the invention, ingate is threaded hole, and the section of ingate is ellipse
Hole；The outlet opening communicated with ingate is offered in inner ring outlet section, outlet opening is threaded hole, and the section of outlet opening is ellipse
Shape hole.Slotted eye is more preferable to the action of turbulent flow of feed liquid than cylindrical hole, keeps the atomizing effect of feed liquid more preferable, does not easily cause nozzle
It blocks.
(8) a kind of rotary atomizer system of the invention, the aperture of outlet opening are less than the aperture of ingate.Nozzle is designed to
Big ellipse spiral entrance, the outlet of small ellipse spiral, avoid bulky grain and Viscous Liquid plug nozzle entrance, while also accelerating spray
The flow velocity of mouth exit feed liquid, alleviates the blocking to nozzle.
(9) the circumferential side wall top of a kind of rotary atomizer system of the invention, inner ring concave station offers stream material groove, stream
Expect that circular arc of the development length beyond inner ring concave station both ends of groove rises fragment position.The setting of stream material groove, can be to partly not
The feed liquid for being directly entered ingate carries out water conservancy diversion dispersion, and extra feed liquid is made to branch to next stage nozzle to both sides through stream material groove
It is interior, enter in the ingate of next stage nozzle jointly with other feed liquids, successively back and forth, so as to further decrease feed liquid to spray
The impact failure of mouth.
Description of the drawings
Fig. 1 is the structural schematic diagram of scroll casing type feed liquid distributor in the prior art；
Fig. 2 is the structural schematic diagram of orifice-plate type feed liquid distributor in the prior art；
Fig. 3 is a kind of structural schematic diagram of rotary atomizer system of the present invention；
Fig. 4 is the overlooking structure diagram of spiral case in the present invention；
Fig. 5 is the schematic cross-sectional view of guide vane two and discharge duct distribution in the present invention；
Fig. 6 is the three dimensional structure diagram of nozzle in the present invention；
Fig. 7 is the schematic top plan view of nozzle in the present invention；
Fig. 8 is the schematic elevation view of nozzle in the present invention；
Fig. 9 is the left view schematic diagram of nozzle in the present invention；
Figure 10 is the schematic cross-sectional view of Section A-A in Fig. 7；
Figure 11 is the schematic cross-sectional view of section B-B in Fig. 7；
Figure 12 is the structural schematic diagram of rotary-atomizing wheel in the present invention；
Figure 13 is the structural schematic diagram of rotary-atomizing wheel import in the present invention.
Label declaration in schematic diagram：
100, feed liquid distributor；110, top plate；120, feed pipe；130, bolt one；140, sealing ring one；150, spiral case；
151, guide vane one；160, bolt two；170, sealing ring two；180, discharge duct；181, guide vane two；
200, rotary-atomizing wheel；210, atomizing wheel import；220, atomizing wheel exports；230, nozzle；231, inner ring inducer；
231-1, ingate；232, inner ring outlet section；232-1, outlet opening；233, shell；234, inner ring boss；235, inner ring concave station；
236, stream material groove；237, the circular arc ascent stage；240, upper millstone；250, lower millstone；251, arc section；260, material protective layer；
300, live spindle；400, discharging orifice plate.
Specific implementation mode
To further appreciate that present disclosure, in conjunction with attached drawing, the present invention is described in detail.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in figure 3, a kind of rotary atomizer system of the present embodiment, including feed liquid distributor 100, rotary-atomizing wheel
200 and live spindle 300, the wherein discharge duct 180 of feed liquid distributor 100 corresponds to the atomizing wheel import of rotary-atomizing wheel 200
210, feed liquid distributor 100 and top plate 110 are bolted on 300 pedestal of live spindle on 110 top of top plate.Such as figure
1 and Fig. 2 show the conventional design of the feed liquid distributor 100 in high speed rotation dry nebulizer in the prior art, respectively
Scroll casing type (see Fig. 1) and orifice-plate type (see Fig. 2) structure are used for design.Scroll casing type feed liquid distributor involute size is that basis is set
It counts flow and determines that, when design discharge is run, each section feed velocity uniformity of involute is not easy putty, while rotating master
300 stress balance of axis.When feed liquid flow is less than design discharge, flows decrease, most of feed liquid is flowed into from nearly cut water and is unloaded
Expects pipe 180, and flow into feed liquid seldom far from discharge duct 180 at cut water or even do not have, to cause the charging of rotary-atomizing wheel 200 not
It is even, cause 200 vibration damage of rotary-atomizing wheel；When feed liquid flow is more than design discharge, flow velocity increases, far from material at cut water
Have little time flow into discharge duct 180, sent out local stoppages, and lead to 300 unbalance stress of live spindle, live spindle 300 to every
Deviation causes vibration at tongue, accelerates the damage of live spindle 300, while drawing into the feed liquid of rotary-atomizing wheel 200 is seriously irregular
Conglomeration is played, 230 accelerated wear test of nozzle or blocking of rotary-atomizing wheel 200 are caused.
One piece of porous discharging orifice plate 400, hole is arranged at 180 top of discharge duct in orifice-plate type feed liquid distributor in the prior art
Diameter size and quantity are determined according to mass flow, material characteristic.Flow is bigger, and the requirement of 400 area of passage of discharging orifice plate is bigger,
And since it lacks scroll casing type involute progressive performance, so orifice plate co-volume bigger than scroll casing type can obtain in the case of same flow
It is more.Orifice-plate type is very big to the flow resistance of material, so abrasion is severe, service life is short.The small meeting putty of eyelet, eyelet are big simultaneously
The homogeneity by material can be influenced, therefore is rarely employed in semi-dry desulphurization equipment.
The material that the feed liquid distributor 100 of above two structure enters discharge duct 180 is vertically downward, into rotation mist
It is that front is flung to change wheel 200, and rotary-atomizing wheel 200 is easily caused to wear, even if being installed additional on the bottom plate of rotary-atomizing wheel 200 wear-resisting
Plate, service life are also very short.In addition rotary-atomizing wheel 200 is provided that radial nozzles 230, into wheel feed liquid and 230 angle of nozzle at
It is 90 °, exceedingly odious to the abrasion of nozzle 230 in the rotary-atomizing wheel 200 that rotating speed is up to tens thousand of turns, while can plug nozzle
230, causing 200 unbalance strenuous vibration of rotary-atomizing wheel leads to equipment damage.
As shown in Fig. 3-Figure 11, a kind of rotary atomizer system of the present embodiment, specifically as shown in figure 3, the present embodiment exists
Feed opening is opened up on the top plate 110 of feed liquid distributor 100, feed opening is connected with feed pipe 120, setting in feed liquid distributor 100
There is spiral case 150, bolt hole is offered on top plate 110 and spiral case 150, bolt 1 passes through the bolt hole on spiral case 150 that will push up
Plate 110 is fixed on spiral case 150.It is simple and easy to get to be fixed by bolts mode, and use easy to disassemble.Top plate 110 and spiral case 150
Between be additionally provided with sealing ring 1, specifically, in the present embodiment use O-ring, can preferably reinforce top plate 110 and snail
Fastening between shell 150 and sealing effect, and O-ring can mitigate the abrasion between top plate 110 and spiral case 150.Similarly, spiral case
150 with also offer bolt hole on discharge duct 180, bolt 2 160 passes through the bolt hole on discharge duct 180 by discharge duct 180
It is fixed on spiral case 150.It is provided with sealing ring 2 170 between spiral case 150 and discharge duct 180, specifically, is used in the present embodiment
O-ring preferably reinforces the fastening between spiral case 150 and discharge duct 180 and sealing effect, and can mitigate discharge duct 180 with
Abrasion between spiral case 150.Nozzle 230 is installed at the atomizing wheel outlet 220 of rotary-atomizing wheel 200.When use feed liquid pass through into
Expects pipe 120 enters in spiral case 150, then enters rotary-atomizing wheel 200 through discharge duct 180, and finally sprayed through nozzle 230.
In actual use, it is even number that nozzle 230, which is usually arranged as multistage and number,.
Circumferentially uniform intervals are provided with multi-disc guide vane 2 181 on the inner wall of discharge duct 180 in the present embodiment, specific as schemed
Shown in 3, guide vane 2 181 takes the structure design that the upper surface in length of blade direction tilts down in the present embodiment, specially leads
The upper surface of leaf 2 181 is along close to the direction of live spindle 300 inclined design gradually downward, and the upper end of guide vane 2 181 is less than
The upper surface of discharge duct 180, the lower end of guide vane 2 181 are higher than the outlet of discharge duct 180.Feed liquid enters discharge duct through spiral case 150
When in 180, feed liquid can be carried out through guide vane 2 181 effectively to separate shunting, and the inward slant setting of 2 181 upper surface of guide vane
Feed liquid inflow direction can rationally be adjusted, feed liquid is made to enter rotary-atomizing wheel 200 with the angle of tangent line, be avoided to rotation
The front for turning atomizing wheel 200 is flung, and can effectively reduce abrasion of the feed liquid to rotary-atomizing wheel 200, improves rotary-atomizing wheel 200
Service life.As shown in figure 5, angle is α, α between 180 axis direction of length extending direction and discharge duct of guide vane 2 181
=0-45 °, α is excellent according to factors such as the size of material feeding rotary-atomizing wheel 200, rotating speed, steering, 230 position of nozzle, material characteristics
Change setting, specifically, in the present embodiment, α=0 °, guide vane 2 181 is the blade being distributed vertically.
In the present embodiment, the quantity of guide vane 2 181 is even number.Feed liquid can be assigned as even number part by the design of even number, material
Liquid distribution is balanced, is allowed to the even number number of corresponding nozzle 230, can ensure feed liquid evenly into rotary-atomizing wheel 200, and pass through
Nozzle 230 is uniformly discharged, and rotary-atomizing wheel 200 is made to rotate steadily, and atomization is uniform, and nozzle 230 is not susceptible to block, and further protects
The long-term accessible work of rotary atomizer system integral device is hindered.
In the present embodiment, be equipped with nozzle 230 at the atomizing wheel of rotary-atomizing wheel 200 outlet 220, the inner ring of nozzle 230 into
Ingate 231-1 is offered in mouth section 231, ingate 231-1 is eccentric reducing hole.The design in eccentric reducing hole, make inner ring into
The circumferential side wall of mouthful section 231 is divided into the asymmetric periphery of thickness, in use, by the side wall of thick periphery towards rotary-atomizing
The negative direction of 200 rotation of wheel can ensure that key wear thickness is justified when the feed liquid in rotary-atomizing wheel 200 enters nozzle 230 in this way
The side wall of circumferential surface reduces feed liquid to the impact wear of nozzle 230, avoids to increase the one-sided thickness of feed liquid wash surface
The problem for causing 230 uneven wear of nozzle serious, improves the service life of nozzle 230.
In actual use, feed liquid enters from the feed pipe 120 on feed liquid distributor 100 in spiral case 150 the present embodiment, along snail
Liquid material is equably entered rotary-atomizing wheel by the gradually evolution of 150 involute of shell to circulation, and by discharge duct 180 with tangential angle
200 atomizing wheel import 210, last atomizing wheel exports enters nozzle 230 at 220, avoids the front to rotary-atomizing wheel 200
It flings, reduces the abrasion to rotary-atomizing wheel 200, improve the service life of rotary-atomizing wheel 200.Specifically, of the invention
Guide-vane feed liquid distributor 100 so that 200 service life of rotary-atomizing wheel is improved 3 times in actual use, 230 service life of nozzle extends
2 times.
Embodiment 2
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 1, the difference is that α in the present embodiment
=30 °, being obliquely installed for multi-disc guide vane 2 181 makes it be distributed in one-piece auger on the inner wall of discharge duct 180, can be to entering
Feed liquid carry out uniform divided flows and pre- swirl effect generated to feed solution flow, so that feed liquid is entered rotary-atomizing wheel 200 with tangential angle,
And the rotation direction of rotary-atomizing wheel 200 is complied in the angle of inclination setting of guide vane 2 181, and feed liquid is made to be more easy to enter nozzle 230, Ke Yijin
Improve to one step the service life of rotary-atomizing wheel 200, the steady fortune of ultimate guarantee rotary-atomizing wheel 200 and live spindle 300
Turn.
Embodiment 3
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 2, the difference is that α in the present embodiment
=45 °.
Embodiment 4
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 3, further, in the present embodiment
It is equipped with spiral case 150 in feed liquid distributor 100, is provided with guide vane 1 in spiral case 150, guide vane 1 is gradually opened along spiral case 150
Gradually for evolution to extension, the guide vane line style and spiral case involute are symmetrical for line, and one 151 tail end of guide vane closes at spiral case linear feed slot and cuts
Face.Specifically, as shown in figure 4, adding one of balance guide vane 1 on 150 involute cut water opposite of spiral case, the guide vane 1
300 absolute symmetry of discharge duct 180 opposite with involute cut water and live spindle, no matter feed liquid flow increases or decreases, into unloading
The feed liquid of expects pipe 180 can circumferentially ensure to be uniformly distributed, at the same ensure that feed liquid variation in the case of, live spindle 300
The suffered radial load from feed liquid can keep balance, and abrasion of the material to rotary-atomizing wheel 200 is greatly reduced, final to ensure
The steady operating of rotary-atomizing wheel 200 and live spindle 300, improves the service life of rotary atomizer system integral device.
Embodiment 5
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 4, further, as shown in fig. 6,
Nozzle 230 includes shell 233 in the present embodiment, and the both ends of shell 233 are respectively inner ring inducer 231 and inner ring outlet section 232,
The circumferential side wall of inner ring inducer 231 includes inner ring boss 234 and inner ring concave station 235, and the height of inner ring concave station 235 is less than inner ring
The height of boss 234, and the both ends of inner ring concave station 235 are connected by the circular arc ascent stage 237 with the both ends of inner ring boss 234,
The top end surface of inner ring boss 234 and inner ring concave station 235 is plane.Enter at the top end face that feed liquid passes through inner ring concave station 235
Nozzle 230, the height of the inner ring concave station 235 of design are less than the height of inner ring boss 234, are convenient for the collection of feed liquid, reduce material
The resistance of liquid flow nozzle 230.What feed liquid entered that nozzle 230 mainly washes away is the inner wall of inner ring boss 234, due to inner ring boss
234 inner wall thickness is more than the inner wall thickness of inner ring concave station 235, and therefore, feed liquid is greatly reduced the abrasion of nozzle 230
, further improve the service life of nozzle 230.
Embodiment 6
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 5, further, in the present embodiment
Ingate 231-1 is threaded hole, and the section of ingate 231-1 is slotted eye.It is offered in inner ring outlet section 232 and entrance
The through-hole structure of the outlet opening 232-1 that hole 231-1 is communicated, outlet opening 232-1 and ingate 231-1 composition inner wall smooth transition,
Outlet opening 232-1 is threaded hole, and the section of outlet opening 232-1 is slotted eye.Slotted eye is than cylindrical hole to feed liquid
Action of turbulent flow is more preferable, keeps the atomizing effect of feed liquid more preferable, does not easily cause the blocking of nozzle 230.The aperture of outlet opening 232-1 be less than into
The aperture of oral pore 231-1, that is, the through-hole structure formed are the tapered hole that aperture constantly reduces.Nozzle 230 is designed to big oval spiral shell
Mouth, the outlet of small ellipse spiral are screwed in, avoids 230 entrance of bulky grain and Viscous Liquid plug nozzle, while also accelerating nozzle 230
The flow velocity of exit feed liquid alleviates the blocking to nozzle 230.
Embodiment 7
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 6, further, in the present embodiment
Stream material groove 236 is offered at the top of the circumferential side wall of inner ring concave station 235, the development length of stream material groove 236 exceeds inner ring concave station
237 position of circular arc ascent stage at 235 both ends, specifically, as shown in fig. 6, on the lateral surface of the circumferential side wall of inner ring concave station 235
Ream a part of side wall so that 235 top of inner ring concave station protrudes from stream material groove 236, i.e., stream material groove 236 is surrounded on inner ring
The outside of concave station 235, stream expect that height of the bottom surface of groove 236 between the top surface of inner ring concave station 235 is 2-3mm, specifically,
Height of the bottom surface of stream material groove 236 between the top surface of inner ring concave station 235 is 2mm in the present embodiment.And stream material groove 236
Bottom surface and the circumferential side wall of inner ring concave station 235 be that smooth arc transition connect, the both ends of stream material groove 236 are beyond circular arc rising
Section 237 positions and arc-shaped transition is connect between inner ring boss 234.The stream material groove 236 of the present embodiment helps further to drop
Low nozzle 230 is worn, and extends its service life, and concrete analysis is as follows：It is usually provided with multistage nozzles in rotary-atomizing wheel 200
230 collective effects, in actual use, most of feed liquid can be directly entered ingate 231- by the top end face of inner ring concave station 235
1, but some residual feed liquid is had because a variety of causes such as position distribution can not flow directly into ingate 231-1, in ingate
The outer wall that inner ring inducer 231 is washed away on the outside of 231-1 causes being further worn out to nozzle 230, the present embodiment to be flowed by being arranged
Expect groove 236, the feed liquid that ingate 231-1 can not be directly entered to the part carries out water conservancy diversion dispersion, and extra feed liquid is made to pass through
Stream material groove 236 is branched to both sides in next stage nozzle 230, enters the entrance of next stage nozzle 230 jointly with other feed liquids
In the 231-1 of hole, successively back and forth, so as to further decrease impact failure of the feed liquid to nozzle 230.
Nozzle 230 can integrally select metal or nonmetallic wear-resistant material to make in the present embodiment, also can metal-coating liner
Wear-resistant material can be effectively relieved erosive wear of the feed liquid to nozzle 230, further increase the service life of nozzle 230.
The nozzle 230 of the present embodiment is through actual use, and compared with existing conventional atomizer 230, side wall friction durability carries
It doubles, it is almost nil that putty occurs in nozzle 230, avoids rotary-atomizing wheel 200 and causes maintenance down because putty is unbalance and set
Standby damage.Heavy wall side should be rotated towards rotary-atomizing wheel 200 according to the nozzle 230 that mentioned above principle makes, when installation it is reversed,
This ensure that key wear heavy wall when material enters nozzle 230 in rotary-atomizing wheel 200.
Embodiment 8
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 7, the difference is that in the present embodiment
Height of the bottom surface of stream material groove 236 between the top surface of inner ring concave station 235 is 3mm.
Embodiment 9
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 8, the difference is that in the present embodiment
Height of the bottom surface of stream material groove 236 between the top surface of inner ring concave station 235 is 2.5mm.
Embodiment 10
As shown in Figure 12-Figure 13, a kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 9, more into one
Step, the inner circumferential wall of atomizing wheel outlet 220 is equipped with nozzle 230 in the present embodiment, and the feed end of nozzle 230 goes out to atomizing wheel
220 internal stretches of mouth, and the feed end top of nozzle 230 inwardly exceeds the inner circumferential wall of atomizing wheel outlet 220.Specifically, it sprays
In the inner circumferential wall of the shell precession atomizing wheel outlet 220 of mouth 230, and the feed end of nozzle 230 is to inside rotary-atomizing wheel 200
The distance S for extending protrusion is 6mm.The protrusion of nozzle 230 is arranged so that in actual use, atomizing wheel exports 220 inner circumferential walls
Surface can form one layer of material protective layer 260, and the material protective layer 260 can finally reach the feed end top with nozzle 230
Concordantly, i.e., the thickness of material protective layer 260 can finally reach equal with the feed end of nozzle 230 protrusion distance S, nozzle 230
Convex section becomes in the protective layer anchoring pile one by one, ensure that protective layer firm stable, avoids feed liquid and is protruded with nozzle 230
Outer wall is in direct contact, and slows down erosive wear of the feed liquid to 230 feed end of nozzle, is more exported in 220 inner circumferential walls in atomizing wheel
One layer of cladding protective layer is formed, its surface is made not impacted by feed liquid, it is circumferential with atomizing wheel outlet 220 in charging to avoid feed liquid
Being in direct contact for inner wall is washed away, and is further slowed down and is exported washing away strongly for 220 inner walls to atomizing wheel, improves rotary-atomizing wheel
200 service life.
In the present embodiment, the openings of sizes of atomizing wheel import 210 gradually increases from top to bottom, it is ensured that feed liquid enters rotation
It is not the vertical inner wall for directly washing away rotary-atomizing wheel 200 when turning 200 inside of atomizing wheel, one is played to the flow direction of feed liquid
Fixed guiding or so effectively alleviates erosive wear of the feed liquid to 200 inner wall of rotary-atomizing wheel, further improves rotation mist
Change the service life of wheel 200.
In the present embodiment, upper millstone 240 and lower mill are respectively arranged on 200 upper end inner wall of rotary-atomizing wheel and lower end inner wall
Disk 250, as shown in figure 12, the upper end inner wall of rotary-atomizing wheel 200 refers to being located at 220 top of atomizing wheel outlet in the present embodiment
Interior wall construction, the lower end inner wall of rotary-atomizing wheel 200 refer to the interior wall construction for being located at atomizing wheel and exporting 220 bottoms, and atomizing wheel goes out
The inner circumferential wall of mouth 220 refers to then the side inside wall structure of rotary-atomizing wheel 200, and wherein atomizing wheel exports the inner wall of 220 bottoms
Middle part is additionally provided with the boss structure passed through for live spindle 300 upwardly extended, and outer wall and the atomizing wheel of the boss structure go out
The inner wall smooth transition connection of 220 bottoms of mouth, collectively constitutes the lower end inner wall structure of rotary-atomizing wheel 200.On in the present embodiment
Mill 240 is embedded in 200 upper end inner wall of rotary-atomizing wheel, and 240 bottom of upper millstone and 200 upper end inner wall bottom of rotary-atomizing wheel
Portion keeps concordant, and lower millstone 250 includes horizontal segment, vertical section and arc section 251, the wherein L-shaped distribution of horizontal segment and vertical section,
Arc section 251 is the segmental arc to lower recess, and the both ends of arc section 251 smoothly transit and horizontal segment and vertical section phase respectively
Even, i.e. the horizontal segment of lower millstone 250 is set to atomizing wheel and exports on the inner wall of 220 bottoms, and the vertical section of lower millstone 250 is coated on
On the outer wall of above-mentioned boss structure, also using the connection that smoothly transits, guarantee goes out with atomizing wheel for the junction of horizontal segment and vertical section
The abundant fitting of the outer wall of mouthful 220 bottom internals and boss structure, the setting of arc section 251 additionally aid to the feed liquid of entrance into
The effective guide functions of row, are conveniently adjusted the direction that feed liquid enters nozzle 230.250 phase of upper millstone 240 and lower millstone in the present embodiment
Cooperation, to the upper end inner wall and lower end inner wall of rotary-atomizing wheel 200 carries out effectively coat protect so that feed liquid into it is fashionable will not
It is directly in contact with the upper lower wall of rotary-atomizing wheel 200, avoids feed liquid and directly wash away, so as to effectively mitigate feed liquid to rotation
The erosive wear for turning the upper lower wall of atomizing wheel 200, improves the service life of rotary-atomizing wheel 200；Further, upper millstone
240 with the upper end inner wall of rotary-atomizing wheel 200 be to be detachably connected, and lower millstone 250 and the lower end inner wall of rotary-atomizing wheel 200 are
It being detachably connected, upper millstone 240 and lower millstone 250 can be replaced flexibly, once upper millstone 240 and lower millstone 250 go out
When being now seriously worn, the upper millstone 240 and lower millstone 250 directly more renewed is easy to operate and can be for a long time to rotary-atomizing
It takes turns 200 inner walls and carries out effective protection, be further ensured that the service life of rotary-atomizing wheel 200.
In the present embodiment, upper millstone 240 and lower millstone 250 are all made of wear-resistant material making, such as ceramics, diamond, tool
Body, ceramic making is used in the present embodiment.Ceramic material has many advantages, such as high-melting-point, high rigidity, high-wearing feature, resistance to oxidation,
250 wearability of upper millstone 240 and lower millstone is improved, protects 200 inner wall of rotary-atomizing wheel not by the erosive wear of feed liquid, into
One step improves the service life of rotary-atomizing wheel 200.
Embodiment 11
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 10, the difference is that the present embodiment
In, the distance S that nozzle 230 protrudes the inner circumferential wall of atomizing wheel outlet 220 is 8mm.
Embodiment 12
A kind of rotary atomizer system of the present embodiment, basic structure is with embodiment 11, the difference is that the present embodiment
In, the distance S that nozzle 230 protrudes the inner circumferential wall of atomizing wheel outlet 220 is 10mm.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of rotary atomizer system, including feed liquid distributor (100), rotary-atomizing wheel (200) and live spindle (300),
The atomizing wheel import (210) of the corresponding rotary-atomizing wheel (200) of discharge duct (180) of wherein feed liquid distributor (100), feature exists
In：Circumferentially uniform intervals are provided with guide vane two (181) on the inner wall of discharge duct (180)；The atomizing wheel of rotary-atomizing wheel (200)
It exports and is equipped with nozzle (230) at (220), ingate (231-1), entrance are offered in the inner ring inducer (231) of nozzle (230)
Hole (231-1) is eccentric reducing hole.
2. a kind of rotary atomizer system according to claim 1, it is characterised in that：Nozzle (230) includes shell
(233), the both ends of shell (233) are respectively inner ring inducer (231) and inner ring outlet section (232), inner ring inducer (231)
Circumferential side wall includes inner ring boss (234) and inner ring concave station (235), and the height of inner ring concave station (235) is less than inner ring boss (234)
Height, and the both ends of inner ring concave station (235) are connected by the circular arc ascent stage (237) with the both ends of inner ring boss (234).
3. a kind of rotary atomizer system according to claim 1, it is characterised in that：It is equipped in feed liquid distributor (100)
Spiral case (150), is provided with guide vane one (151) in spiral case (150), guide vane one (151) along spiral case (150) involute gradually evolution to
Extend.
4. a kind of rotary atomizer system according to claim 1 or 3, it is characterised in that：The length of guide vane two (181) is prolonged
It is α, -45 ° of α=0 ° to stretch the angle between direction and discharge duct (180) axis direction.
5. a kind of rotary atomizer system according to claim 4, it is characterised in that：The quantity of guide vane two (181) is even
Number.
6. a kind of rotary atomizer system according to claim 1, it is characterised in that：Ingate (231-1) is threaded hole,
And the section of ingate (231-1) is slotted eye.
7. a kind of rotary atomizer system according to claim 2, it is characterised in that：It is opened up in inner ring outlet section (232)
There is an outlet opening (232-1) communicated with ingate (231-1), outlet opening (232-1) is threaded hole, and outlet opening (232-1)
Section is slotted eye.
8. a kind of rotary atomizer system according to claim 7, it is characterised in that：The aperture of outlet opening (232-1) is small
In the aperture of ingate (231-1).
9. a kind of rotary atomizer system according to claim 2, it is characterised in that：The peripheral side of inner ring concave station (235)
Stream material groove (236) is offered at the top of wall, the development length of stream material groove (236) exceeds the circular arc at inner ring concave station (235) both ends
Ascent stage (237) position.
10. a kind of rotary atomizer system according to claim 9, it is characterised in that：Stream material groove (236) bottom surface away from
The height between top surface from inner ring concave station (235) is 2-3mm.
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| CN201810412274.XA CN108296038B (en) | 2018-04-28 | 2018-04-28 | Rotary atomizer system |
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|---|---|---|---|
| CN201810412274.XA CN108296038B (en) | 2018-04-28 | 2018-04-28 | Rotary atomizer system |
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| CN108296038B CN108296038B (en) | 2024-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732416A (en) * | 2019-10-24 | 2020-01-31 | 蒙城县弘文信息科技有限公司 | environmental protection sprinkler head convenient for adjusting spray angle |
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| CN110732416B (en) * | 2019-10-24 | 2021-02-19 | 蒙城县弘文信息科技有限公司 | Environment-friendly sprinkler nozzle convenient for adjusting spraying angle |
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| Publication number | Publication date |
|---|---|
| CN108296038B (en) | 2024-06-25 |
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