CN108915828A - A kind of aerating system of solution storage box - Google Patents
A kind of aerating system of solution storage box Download PDFInfo
- Publication number
- CN108915828A CN108915828A CN201810913214.6A CN201810913214A CN108915828A CN 108915828 A CN108915828 A CN 108915828A CN 201810913214 A CN201810913214 A CN 201810913214A CN 108915828 A CN108915828 A CN 108915828A
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- Prior art keywords
- bracket
- exhaust
- aerating system
- porous plug
- storage box
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- 238000003860 storage Methods 0.000 title claims abstract description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000004202 carbamide Substances 0.000 claims abstract description 69
- 239000000945 filler Substances 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 15
- 230000006872 improvement Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005429 filling process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention relates to a kind of aerating systems of solution storage box, the aerating system includes breather valve, exhaust joint, filling tube head, filler pipe, inlet control valve and exhaust pipe, the breather valve is arranged on urea box ontology, one end of the filler pipe connects urea box ontology by inlet control valve, the other end of filler pipe is provided with filling tube head, the filling tube head is provided with locking closure, and exhaust pipe one end connection filling tube head other end connects urea box ontology by exhaust joint；The technical solution solves the problems, such as internal and external pressure balance in urea box filling and the course of work, while guaranteeing that solution in use is not revealed.
Description
Technical field
The present invention relates to a kind of aerating systems, and in particular to a kind of aerating system of solution storage box belongs to solution storage
Box structure component technology field.
Background technique
For the discharge of nitrogen oxides in exhaust gas from diesel vehicle, various countries have formulated stringent limitation standard, clear in all kinds of tail gas
In clean technology, SCR technology (SCR Selective Catalytic Reduction Technology) is mesh
The preceding most efficient exhaust gas treating method for reducing oxynitride discharge.It needs to consume reducing agent in SCR technology, which is
The urea liquid of mass fraction (32.5 ± 0.7) %, urea liquid are transported in SCR spraying system by urea pump.Urea liquid
It can freeze at -11 DEG C, solution freezing process volume expansion 7%.Reducing agent is stored by dedicated storage box, commonly referred to as urea box,
Urea box is generally made by HDPE plastic.Arrange that air-breather, air-breather allow gas to pass through but prevent liquid on urea box
Body passes through, and has not only guaranteed urea box internal and external pressure balance, but also prevent solution leakage.Air-breather in the prior art mostly structure is multiple
It is miscellaneous and in use, there is technical issues that leakage or, therefore, a kind of new side of urgent need
Case solves the technical problem.
Summary of the invention
The present invention exactly for the technical problems in the prior art, provides a kind of aerating system of solution storage box,
The Technical Design is ingenious, compact-sized, and it is flat which solves external and internal pressure in urea box filling and the course of work
Weighing apparatus problem, while guaranteeing that solution in use is not revealed.
To achieve the goals above, technical scheme is as follows, a kind of aerating system of solution storage box, described logical
Gas system includes that breather valve, exhaust joint, filling tube head, filler pipe, inlet control valve and exhaust pipe, the breather valve are set
It sets on urea box ontology, one end of the filler pipe connects urea box ontology, the other end of filler pipe by inlet control valve
It is provided with filling tube head, the filling tube head is provided with locking closure, exhaust pipe one end connection filling tube head other end
Urea box ontology is connected by exhaust joint.
As an improvement of the present invention, the breather valve includes shell and porous plug, and the shell is arranged in porous plug
Outside.
As an improvement of the present invention, the porous plug is made of diaphragm and rubber parts, and the diaphragm is arranged in rubber
The top of part.
As an improvement of the present invention, the breather valve further includes bracket, and hole is arranged on the bracket, described
Vent plug is arranged on bracket.
As an improvement of the present invention, the breather valve further includes bracket, and the bracket and diaphragm constitute filter, institute
After stating filter and the welding of urea box ontology, then shell and urea box ontology welded.
As an improvement of the present invention, the breather valve further includes that frame upper divides, part and branch are rack-mounted under bracket
Distribution structure, between frame upper point and bracket lower part point, the shell and frame upper point pass through bracket for the diaphragm setting
Assembling structure is assembled to form, part one-pass molding or multistep molding under the frame upper point and bracket.Filter and urea
After the welding of case ontology, then shell and filter are assembled and used.
As an improvement of the present invention, the exhaust joint is set as the exhaust joint of duplex structure, the porous plug
It is installed therein in an exhaust outlet, the breather valve further includes liquid-resisting device, and bilateral exhaust joint is arranged in the liquid-resisting device
Lower section.
As an improvement of the present invention, the quantity of the exhaust joint is two, and exhaust pipe passes through three-way connection, connection
Pipe is separately connected exhaust joint, and the breather valve further includes porous plug and liquid-resisting device, and the porous plug is mounted in connecting tube, institute
The lower section that exhaust joint is arranged in liquid-resisting device is stated,
As an improvement of the present invention, the liquid-resisting device gos deep into the top position of box house and is provided with one or more
A micropore.Filling jump rifle liquid level, which reaches, seals exhaust outlet below liquid-resisting device, and the micropore of top can still ventilate.
A kind of aerating system of solution storage box, the aerating system include exhaust joint, filling tube head, filler pipe,
Inlet control valve, porous plug, bracket, liquid-resisting device and exhaust pipe, one end of the filler pipe is connected by inlet control valve urinates
Plain case ontology, the other end of filler pipe are provided with filling tube head, and the filling tube head is provided with locking closure, and the porous plug is logical
It crosses bracket to be assemblied on locking closure, the lower section of exhaust joint, exhaust pipe one end connection filling tube head is arranged in the liquid-resisting device
Portion's other end connects urea box ontology by exhaust joint, and the liquid-resisting device gos deep into the top position of box house and is provided with one
Or multiple micropores.Filling jump rifle liquid level, which reaches, seals exhaust outlet below liquid-resisting device, and the micropore of top can still ventilate.
Compared with the existing technology, the invention has the advantages that, 1) the technical solution overall construction design is compact, ingenious,
The scheme having in the patent installs porous plug in the shell, by the shell of design different shape, size, improves breather valve
The reliability of adaptability, the welding of two steps is higher, and welding installs the production technology matched additional and production cost is effectively reduced；2) patent
In also design by porous plug assembly in bilateral exhaust joint, production cost can be effectively reduced；3) also proposing in the patent will
Porous plug is arranged in gas exhaust piping and locking closure, reduces later maintenance cost；4) there is certain depth in order to meet urea box
Fordability, the program proposes for porous plug to be arranged in connecting tube, and is realized by three-way connection and liquid-resisting device, further drops
Low-maintenance cost and replacement difficulty, have wide range of applications, and promote and apply convenient for further.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of embodiment；
Fig. 2 is porous plug structural schematic diagram；
Another example structure schematic diagram of Fig. 3；
Fig. 4 is embodiment production technology schematic diagram described in Fig. 3；
Fig. 5 is another example structure schematic diagram；
Fig. 6 is embodiment difference assembling structure schematic diagram described in Fig. 5；
Fig. 7 is embodiment production technology schematic diagram described in Fig. 5；
Fig. 8 is another example structure schematic diagram；
Fig. 9 is another example structure schematic diagram；
Figure 10 is another example structure schematic diagram；
Figure 11 is another example structure schematic diagram.
In figure：1. urea box ontology；2. breather valve；3. shell；4. exhaust joint；6. filling tube head；7. filler pipe；8.
Inlet control valve；11. porous plug；111. diaphragm；112. rubber parts；12. exhaust pipe；13. locking closure；14. bracket；
Specific embodiment：
In order to deepen the understanding of the present invention, the present embodiment is described in detail with reference to the accompanying drawing.
Embodiment 1：Referring to Fig. 1, Fig. 2, a kind of aerating system of solution storage box, the aerating system include breather valve 2,
Exhaust joint 4, filling tube head 6, filler pipe 7, inlet control valve 8 and exhaust pipe 12, the breather valve are arranged in urea box
On ontology, one end of the filler pipe 7 connects urea box ontology by inlet control valve 8, and the other end of filler pipe, which is provided with, to be added
Tube head is infused, the filling tube head is provided with locking closure 13, and exhaust pipe one end connection filling tube head other end passes through row
Gas connector connects urea box ontology, and the breather valve 2 includes shell 3 and porous plug 11, and the outer of porous plug is arranged in the shell
Face, the porous plug 11 are made of diaphragm 111 and rubber parts 112, and the top of rubber parts is arranged in the diaphragm.Porous plug 11
Front view and top view are as shown in Fig. 2, diaphragm 111 is a kind of porous structure polymerization that permission gas passes through but liquid is prevented to pass through
Object material.The elasticity that rubber parts 112 has many advantages, such as is high, plasticity is strong, and install convenient utilizes the interference fit of porous plug and shell
Realize good sealing performance.
Embodiment 2：Referring to Fig. 1, as an improvement of the present invention, the breather valve further includes bracket 14, the bracket
Upper setting hole, the porous plug are arranged on bracket.It needs to increase bracket 14 when stringent for system requirements, prevents from breathing freely
Plug falls off in the long-term use.Shell 3 plays a protective role, so that porous plug 11 is not influenced by external environment, such as impact,
Collision, dust, rainwater, mosquito etc. in the technical solution, arrange that several holes, hole should not be too large on bracket 14, main to make
There are two, one is to guarantee that urea box gas is run through, the other is porous plug 11 is not when icing of urea solution expansion
It is damaged, urea box ontology generally uses HDPE material, and shell 3 and urea box ontology are welded, needed using HDPE material.When logical
When air valve needs to connect different products, such as pipeline, dust plug, quick connector, the oral area of shell 3 can increase corresponding knot
Structure is matching, it is only necessary to redesign exhaust joint.Urea box opens locking closure 13, urea liquid in filling process
Through filling tube head 6, filler pipe 7, inlet control valve 8, most of gas warp into urea box ontology 1, in urea box ontology 1
Exhaust joint 4, exhaust pipe 12, filling tube head 6 are discharged into atmosphere, and a small amount of gas is discharged into atmosphere by breather valve 2.Urea box is in work
During work, urea box internal pressure be higher than atmospheric pressure when, the gas of box house pass sequentially through bracket 14, porous plug 11,
Shell 3 is discharged to atmosphere and releases stress, and when the subatmospheric power of urea box internal pressure, outside air is flowed by reverse path
Pressure is supplemented inside urea box, reaches urea box internal and external pressure balance.Remaining structure and advantage are identical with embodiment 1.
Embodiment 3：Referring to Fig. 3, as an improvement of the present invention, the breather valve further includes bracket 5, the bracket and
Diaphragm 111 constitutes filter, does not have rubber parts 112 in the program, after the filter and the welding of urea box ontology, then by shell
3 weld with urea box ontology.The breather valve of the program is designed to structure shown in Fig. 3, production technology such as Fig. 4, bracket 5 and diaphragm
111 are combined together referred to as filter, after filter and urea box ontology 1 weld, then shell 3 and urea box ontology are welded,
Using the technique of two steps welding in the technical solution, welding quality is more reliable, if the structural requirement different to shell 3, again
Designed enclosures 3.Remaining structure and advantage are identical with embodiment 1.
Embodiment 4：Referring to Fig. 5, as an improvement of the present invention, the breather valve further includes frame upper point 52, branch
Part 51 and bracket assembling structure 53 under frame, the diaphragm setting is between frame upper point and bracket lower part point, the branch
Part and part one-pass molding or multistep molding under bracket on frame.There is no rubber parts 112 in the program, production technology such as Fig. 7,
After filter and the welding of urea box ontology, then shell 3 and filter are assembled and used.In the program, breather valve is designed to such as Fig. 5
Shown in structure, frame upper points 52 and lower part 51 can once produce molding, can also be with multistep molding, shell 3 and bracket
Assembling structure 53 can with but it is unlimited be several structures in Fig. 6, such as the fit structure Tu Qied on one side the groove while, be threadedly engaged
Structure can also be used in assembling structure 53, and Fig. 6 (d) is the front view and top view after assembly, production technology such as Fig. 7, filtering
After device and the welding of urea box ontology, then shell 3 and filter are assembled and used.This welding is installed the structure matched additional and is welded than two steps
Technique save the cost redesign shell 3 and for the different structural requirement of shell 3.The branch of Fig. 3 and Fig. 5 structure
Frame requires to weld with urea box ontology, need to use HDPE material.In addition, generally requiring urea box to install vehicle passenger car
The height of urea box system is arranged compared with strict requirements at body bottom, can by by the structure of urea box body design sinking section,
As shown in figure 8, filter is welded on sinking section surface, so as to reduce the height of shell 3, the height of whole air-breather is
It can reduce, improve the adaptability of system.Remaining structure and advantage are identical with embodiment 1.
Embodiment 5：Referring to Fig. 9, as an improvement of the present invention, the exhaust joint is set as the exhaust of duplex structure
Connector 15, the porous plug 11 are installed therein in an exhaust outlet, and the breather valve further includes liquid-resisting device 16, the liquid-resisting device
16 are arranged in the lower section of bilateral exhaust joint 15.In the program, exhaust joint is the exhaust joint 15 for having duplex structure, porous plug
11 are assembled in an exhaust outlet, and exhaust outlet and porous plug can also be arranged in top location A.Liquid-resisting device 16 be assemblied in it is double
Liquid-resisting device below pass joint, there are two main functions, is on the one hand to prevent urea liquid, especially half icing condition of urea liquid
Impact of the mixture of ice and water to exhaust joint and porous plug, be on the other hand to prevent urea liquid from crystallizing porous plug is caused to be ventilated
Reduced performance or failure.Compared to Figure 1, this scheme saves one of welding sequence, simple production process, save the cost.Production
In the process, porous plug 11 is packed into exhaust joint, liquid-resisting device 16 is installed, then be welded on urea box ontology 1.It is noticeable
Be when into urea box fill solution when, filling jump the intracorporal gas of rifle rear cabinet can not with it is external identical, thus need hindering
Liquid device 16, which protrudes into the top position of box house, one or more micropores, and filling jumps rifle liquid level and reaches the row of sealing below liquid-resisting device
Port, the micropore of top can still ventilate.Remaining structure and advantage are identical with embodiment 1.
Embodiment 6：Referring to Figure 10, as an improvement of the present invention, the quantity of the exhaust joint 4 is two, exhaust
Pipe 12 is separately connected exhaust joint 4 by three-way connection 10, connecting tube 9, and the breather valve 2 further includes porous plug 11 and liquid-resisting device
16, the porous plug 11 is mounted in connecting tube 9, and the lower section of exhaust joint 4 is arranged in the liquid-resisting device 16；The technical solution needle
To meet the fordability of certain depth to urea box, in this case, Fig. 1 and Fig. 9 are just unable to satisfy requirement, urea box
Aerating system can be designed to the structure of Figure 10, and porous plug 11 is mounted in connecting tube 9, connect close to exhaust joint or close to three
Head is ok.In filling process, air in urea box can be from the connecting tube on right side quickly through reaching 6 row of filler head
Enter into atmosphere.The advantages of this embodiment is when porous plug breaks down, or since long-term use process is at urea
Solution crystallization causes porous plug permeability to be deteriorated, and the porous plug place of being correspondingly connected with can be separated, complete replacement, do not need
Whole root canal road is replaced, maintenance cost and replacement difficulty are reduced.This embodiment is also required to protrude into box house in liquid-resisting device 16
There are one or more micropores at top position, and filling, which is jumped rifle liquid level and reached, seals exhaust outlet below liquid-resisting device, the micropore of top according to
It can so ventilate.Remaining structure and advantage are identical with embodiment 1.
Embodiment 7：Referring to Figure 11, a kind of aerating system of solution storage box, the aerating system include exhaust joint 4,
Fill tube head 6, filler pipe 7, inlet control valve 8, porous plug 11, bracket 14, liquid-resisting device 16 and exhaust pipe 12, the filling
One end of pipe 7 connects urea box ontology by inlet control valve 8, and the other end of filler pipe is provided with filling tube head, described to add
Note tube head is provided with locking closure 13, and the porous plug 11 is assemblied on locking closure 13 by bracket 14, and the setting of liquid-resisting device 16 exists
The lower section of exhaust joint 4, exhaust pipe one end connection filling tube head other end connect urea box ontology by exhaust joint,
The liquid-resisting device gos deep into the top position of box house and is provided with one or more micropore.Filling jumps rifle liquid level and reaches liquid-resisting device
Lower section seals exhaust outlet, and the micropore of top can still ventilate；In the technical solution, porous plug 11 is assembled in locking closure 13, then
Assemble a bracket 14.In filling process, locking closure is first opened, filling gun insertion filling tube head 6, urea liquid is filled into urea
In box body, the air in urea box body flows in air by exhaust joint 4, exhaust pipe, filling tube head 6.It has filled
Cheng Hou, locking closure 13 are installed in place, and the gas of box house flows to porous plug by filling tube head, are arranged through locking closure measurement to big
In gas.To realize cabinet internal and external pressure balance.The advantages of this example is simple production process, save the cost.This implementation
Scheme, which is also required to protrude into the top position of box house in liquid-resisting device 16, one or more micropores, and filling jumps rifle liquid level and reaches resistance
Exhaust outlet is sealed below liquid device, the micropore of top can still ventilate.
The present invention can also be by least one of described technical characteristic of examples of implementation 2,3,4,5,6 in combination with example 1
Form new embodiment.
It should be noted that above-described embodiment, is not intended to limit the scope of protection of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or substitution each fall within the range that the claims in the present invention are protected.
Claims (10)
1. a kind of aerating system of solution storage box, which is characterized in that the aerating system includes breather valve, exhaust joint, adds
Tube head, filler pipe, inlet control valve and exhaust pipe are infused, the breather valve is arranged on urea box ontology, the filler pipe
One end urea box ontology is connected by inlet control valve, the other end of filler pipe is provided with filling tube head, the filler pipe
Head is provided with locking closure, and exhaust pipe one end connection filling tube head other end connects urea box ontology by exhaust joint.
2. the aerating system of solution storage box according to claim 1, which is characterized in that the breather valve include shell and
The outside of porous plug is arranged in porous plug, the shell.
3. the aerating system of solution storage box according to claim 2, which is characterized in that the porous plug include diaphragm and
The top of rubber parts is arranged in rubber parts, the diaphragm.
4. the aerating system of solution storage box according to claim 3, which is characterized in that the breather valve further includes support
Frame, hole is arranged on the bracket, and the porous plug is arranged on bracket.
5. the aerating system of solution storage box according to claim 2, which is characterized in that the breather valve further includes film
Piece, bracket, the bracket and diaphragm constitute filter, after the filter and the welding of urea box ontology, then by shell and urea
The welding of case ontology.
6. the aerating system of solution storage box according to claim 2, which is characterized in that the breather valve further includes film
Part and bracket assembling structure under piece, frame upper point, bracket, the diaphragm setting is in frame upper point and part under bracket
Between, the shell and frame upper point are assembled to form by bracket assembling structure, part under the frame upper point and bracket
One-pass molding or multistep molding.
7. the aerating system of solution storage box according to claim 3, which is characterized in that the exhaust joint is set as double
The exhaust joint of logical structure, the porous plug are installed therein in an exhaust outlet, and the breather valve further includes liquid-resisting device, described
The lower section of bilateral exhaust joint is arranged in liquid-resisting device.
8. the aerating system of solution storage box according to claim 1, which is characterized in that the quantity of the exhaust joint is
Two, exhaust pipe is separately connected exhaust joint by three-way connection, connecting tube, and the breather valve further includes porous plug and blocking solution
Device, the porous plug are mounted in connecting tube, and the lower section of exhaust joint is arranged in the liquid-resisting device.
9. the aerating system of solution storage box according to claim 7 or 8, which is characterized in that the liquid-resisting device gos deep into case
The top position in internal portion is provided with one or more micropore.
10. a kind of aerating system of solution storage box, which is characterized in that the aerating system includes exhaust joint, filling tube head
One end of portion, filler pipe, inlet control valve, porous plug, bracket, liquid-resisting device and exhaust pipe, the filler pipe passes through import control
Valve processed connects urea box ontology, and the other end of filler pipe is provided with filling tube head, and the filling tube head is provided with locking closure, institute
It states porous plug to be assemblied on locking closure by bracket, the lower section of exhaust joint is arranged in the liquid-resisting device, and described exhaust pipe one end connects
It connects the filling tube head other end and urea box ontology is connected by exhaust joint, the liquid-resisting device gos deep into the top position of box house
It is provided with one or more micropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913214.6A CN108915828A (en) | 2018-08-13 | 2018-08-13 | A kind of aerating system of solution storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913214.6A CN108915828A (en) | 2018-08-13 | 2018-08-13 | A kind of aerating system of solution storage box |
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| Publication Number | Publication Date |
|---|---|
| CN108915828A true CN108915828A (en) | 2018-11-30 |
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| CN201810913214.6A Pending CN108915828A (en) | 2018-08-13 | 2018-08-13 | A kind of aerating system of solution storage box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324692A (en) * | 2022-07-12 | 2022-11-11 | 江铃汽车股份有限公司 | Control valve for preventing leakage of urea box and urea box |
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|---|---|---|---|---|
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