CN201953664U - Wear-resistant and corrosion-resistant paper pulp pump - Google Patents
Wear-resistant and corrosion-resistant paper pulp pump Download PDFInfo
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- CN201953664U CN201953664U CN2011200736252U CN201120073625U CN201953664U CN 201953664 U CN201953664 U CN 201953664U CN 2011200736252 U CN2011200736252 U CN 2011200736252U CN 201120073625 U CN201120073625 U CN 201120073625U CN 201953664 U CN201953664 U CN 201953664U
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- impeller
- wear
- pulp pump
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Abstract
The utility model relates to a wear-resistant and corrosion-resistant paper pulp pump, which comprises a paper pulp pump body, wherein the paper pulp pump body comprises a pump case, a pump cover, an impeller and a main shaft, wherein the impeller is arranged at the front end of the main shaft, and is arranged in an inner cavity formed by connecting the pump case with the pump cover, and a cemented carbide protective layer is arranged on the inner surface of the inner cavity formed by connecting the pump case with the pump cover. The utility model has the beneficial effects that: the paper pulp pump has excellent wear resistance, corrosion resistance and erosion resistance, and the powerful impact of supersonic flame spraying allows a coating to be in a compression stress state, so that the crack opportunity of the coating is reduced, and thus a super-strong wear-resistant protective layer is formed. In addition, a wear-resistant lining plate is additionally arranged on the inner belly surface of the pump case, so that the replacement is more convenient, and the energy is saved; and by adjusting a clearance between the lining plate and the impeller, the pump can always keep efficient operation.
Description
Technical field
The utility model relates to a kind of pulp pump, particularly relates to a kind of pulp pump of wear resistant corrosion resistant.
Background technique
Pulp pump belongs to a kind of of centrifugal pump from physics principle, refers to make by the effect by centrifugal force (rotation of the impeller of pump) a kind of machinery of solid, liquid mixed medium energy increase in concept, converts electric energy to the kinetic energy of medium and the equipment of potential energy.The title of pulp pump is a kind of centrifugal pump of dividing from the angle of fed sheet of a media.
Pulp pump can be widely used in paper mill and mine, and industries such as environmental protection are carried the slurry that contains the abrasion solid particle.Carry as paper mill paper pulp.At chemical industry, also can carry some to contain the corrosivity slurry of crystallization.At present, in the application area of pulp pump, about 80% all is to be used in paper industry paper oar to carry.Because the papermaking operating mode is comparatively abominable, therefore in this workshop section, the working life of pulp pump is generally lower.Certainly, different papermaking enterprises, abrasion is also different.Paper oar pump wear resistance that use in wooden paper mill and corrosion resistance require very high.
Original paper oar pump material is U.S. mark 304, or the two-phase Neutral Steel, wear-resisting property and decay resistance are very poor, (as; Be used in wooden paper mill, contain a lot of sands and impurity in wooden, in wooden processing, can produce dense pH value, so the requirement to the oar pump is very high always, the oar pump is promptly wanted wear-resisting good corrosion resistance again, but the good pump of wear-resisting property with material it can't the ability severe corrosive, the pump of withstand corrosion is used material, and it again can not be wear-resisting, this is the insoluble a great problem of paper oar pump always, so this type of pump is the high flow rate product, wear-resisting problem can't effectively improve and solve always.
The model utility content
The utility model is exactly in order to address the above problem, and overcomes the existing defective of pulp pump in the prior art, and the utility model provides a kind of pulp pump of wear resistant corrosion resistant to address the aforementioned drawbacks and problem.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of pulp pump of wear resistant corrosion resistant; comprise the pulp pump body; described pulp pump body comprises pump case, pump cover, impeller and main shaft; front end at main shaft is provided with impeller; impeller is arranged in the inner chamber that pump case and pump cover be connected to form; it is characterized in that the internal surface of the inner chamber that described pump case and pump cover are connected to form is provided with one deck cemented carbide protective layer.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, described cemented carbide protective layer is the cemented carbide protective layer by the spraying of HVAF technology.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, described position at the inner close impeller of pump case is provided with abrasion-proof backing block.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, described abrasion-proof backing block is provided with the cemented carbide protective layer of one deck by the spraying of HVAF technology.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, described abrasion-proof backing block is removable abrasion-proof backing block.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, is provided with the slit between described abrasion-proof backing block and the impeller.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, the joint of described pump case and pump cover is provided with the pump case sealing gasket.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, the rear end of main shaft is provided with bearing housing, be provided with lubricating oil bath in the inner chamber of bearing housing front end, be provided with bearing in the inner chamber of rear end, the bearing housing ear end face is sealed by bearing box cover, and the bearing box cover inner ring is provided with oil seal ring.
The pulp pump of above-mentioned a kind of wear resistant corrosion resistant is characterized in that, the ear end face of pump cover is provided with the larynx cover, and installs in the inner ring of pump cover, and the other end of described larynx cover is provided with unit loading type machine sealing assembly, and unit loading type machine sealing assembly also installs in the inner ring of pump cover.
The beneficial effects of the utility model are: make pulp pump possess good wear resistance, corrosion resistance and abrasion-resistance, supersonic flame anger are coated with strong wallop makes coating present compressive stress state, has reduced the chance of coating crack; Make it to form the superpower wear-resistant protective layer.The tripe face has increased an abrasion-proof backing block in pump case in addition, makes replacing convenient and energy-conservation, by regulating the gap between liner plate and the impeller, makes pump keep high-efficient operation forever.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is a structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of pulp pump of wear resistant corrosion resistant, comprise pulp pump body 100, pulp pump body 100 comprises pump case 200, pump cover 300, impeller 400 and main shaft 500, front end at main shaft 500 is provided with impeller 400, impeller 400 connects the back with main shaft 500 and is become flexible never by impeller screw and the fastening impeller 400 that makes of pressing plate in addition, in addition can be according to different working condition requirements, impeller 400 can select to use six leaf encloseds, cloverleaf, semi-open type, impellers such as full-open type adapt to the requirement of different oar material, impeller 400 is arranged in the inner chamber 210 that pump case 200 and pump cover 300 be connected to form, and pump case 200 is provided with pump case sealing gasket 310 with the joint of pump cover 300.
HVAF HVOF (High.VeIocicy.Oxygen.Fuel) is a kind of emerging advanced hot-spraying technique.The HVOF technology utilizes high-purity propane to be fuel, can produce the above high-temperature high-pressure fuel gas of 6 overtone speed, powder is heated through flame stream and is dissolved atomizing back and spray to workpiece surface with supersonic speed, and that deposition forms is fine and close, even, the high hardness high-bond coating of protoxide content.Excellent properties such as it is wear-resistant, corrosion-resistant, high temperature resistant and heat insulation that coating has, coating hardness is high, reaches 68-72HRC; Spraying particle flying speed height; Particle rapidity can reach 800-1200m/s, and strong wallop makes the adhesive strength that has 70-90Mpa between coating and matrix; Strong wallop makes the coating consistency can be big by 99.9%, makes coating possess good wear resistance, corrosion resistance and abrasion-resistance; The supersonic flame anger is coated with strong wallop makes coating present compressive stress state, has reduced the chance of coating crack; Make it to form the superpower wear-resistant protective layer.
And reason owing to the pulp pump design; it is more serious to be positioned at the pump case 200 general wearing and tearing in inner position near impeller 400; because can be subjected to the impact of the paper pulp that impeller 400 rolls; so be provided with abrasion-proof backing block 600 in pump case 200 inner positions near impeller 400; also be provided with the cemented carbide protective layer 110 of one deck on the abrasion-proof backing block 600 by the spraying of HVAF technology; and abrasion-proof backing block 600 is removable abrasion-proof backing block 600, even can continue to use at bigger following the abrasion-proof backing block that need more renew 600 of situation of abrasion-proof backing block 600 wearing and tearing.
Being provided with the slit between abrasion-proof backing block 600 and impeller 400, is the running of impeller 400 for convenience.But the gap becomes when the back influences the utilization efficiency of pump greatly between impeller 400 and the pump case 200 after wearing and tearing a period of time; can be by regulating the position of abrasion-proof backing block 600; make the gap between impeller 400 and the abrasion-proof backing block 600 keep the high-efficient operation requirement forever; after being provided with one deck cemented carbide protective layer 110, the internal surface of the inner chamber 210 that pump case 200 and pump cover 300 are connected to form make coating surface more smooth; the frictional force and the resistance of overcurrent object have been reduced; object can be passed through fast; reduced the use power of water pump; strengthened utilization efficiency, energy-saving effect is remarkable.
The rear end of main shaft 500 is provided with bearing housing 700, is provided with lubricating oil bath 710 in the front end inner chamber of bearing housing 700, is provided with bearing 720 in the inner chamber of rear end, and bearing housing 700 ear end faces are by bearing box cover 730 sealings, and bearing box cover 730 inner rings are provided with oil seal ring 731.
The ear end face of pump cover 300 is provided with larynx cover 320, and installs in the inner ring of pump cover 300, and the other end of larynx cover 320 is provided with unit loading type machine sealing assembly 330, and unit loading type machine sealing assembly 330 also installs in the inner ring of pump cover 300.
The improvement that this product is done makes pulp pump possess good wear resistance, and corrosion resistance and abrasion-resistance, supersonic flame anger are coated with strong wallop makes coating present compressive stress state, has reduced the chance of coating crack; Make it to form the superpower wear-resistant protective layer.The tripe face has increased an abrasion-proof backing block in pump case in addition, makes replacing convenient and energy-conservation, by regulating the gap between liner plate and the impeller, makes pump keep high-efficient operation forever.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. the pulp pump of a wear resistant corrosion resistant; comprise the pulp pump body; described pulp pump body comprises pump case, pump cover, impeller and main shaft; front end at main shaft is provided with impeller; impeller is arranged in the inner chamber that pump case and pump cover be connected to form; it is characterized in that the internal surface of the inner chamber that described pump case and pump cover are connected to form is provided with one deck cemented carbide protective layer.
2. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 1, it is characterized in that described cemented carbide protective layer is the cemented carbide protective layer by the spraying of HVAF technology.
3. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 1, it is characterized in that described position at the inner close impeller of pump case is provided with abrasion-proof backing block.
4. according to the pulp pump of claim 2 or 3 described a kind of wear resistant corrosion resistants, it is characterized in that described abrasion-proof backing block is provided with the cemented carbide protective layer of one deck by the spraying of HVAF technology.
5. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 3, it is characterized in that described abrasion-proof backing block is removable abrasion-proof backing block.
6. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 3, it is characterized in that, be provided with the slit between described abrasion-proof backing block and the impeller.
7. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 1, it is characterized in that the joint of described pump case and pump cover is provided with the pump case sealing gasket.
8. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 1, it is characterized in that, the rear end of main shaft is provided with bearing housing, be provided with lubricating oil bath in the inner chamber of bearing housing front end, be provided with bearing in the inner chamber of rear end, the bearing housing ear end face is sealed by bearing box cover, and the bearing box cover inner ring is provided with oil seal ring.
9. according to the pulp pump of the described a kind of wear resistant corrosion resistant of claim 1, it is characterized in that the ear end face of pump cover is provided with the larynx cover, and device is in the inner ring of pump cover, the other end of described larynx cover is provided with unit loading type machine sealing assembly, and unit loading type machine sealing assembly also installs in the inner ring of pump cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200736252U CN201953664U (en) | 2011-03-18 | 2011-03-18 | Wear-resistant and corrosion-resistant paper pulp pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200736252U CN201953664U (en) | 2011-03-18 | 2011-03-18 | Wear-resistant and corrosion-resistant paper pulp pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953664U true CN201953664U (en) | 2011-08-31 |
Family
ID=44497776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200736252U Expired - Fee Related CN201953664U (en) | 2011-03-18 | 2011-03-18 | Wear-resistant and corrosion-resistant paper pulp pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287378A (en) * | 2011-09-22 | 2011-12-21 | 江苏巨浪泵阀有限公司 | Pulp pump |
| CN103307029A (en) * | 2012-03-12 | 2013-09-18 | 江苏新跃泵业制造有限公司 | Novel wear-resistant and corrosion-resistant chemical centrifugal pump |
-
2011
- 2011-03-18 CN CN2011200736252U patent/CN201953664U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287378A (en) * | 2011-09-22 | 2011-12-21 | 江苏巨浪泵阀有限公司 | Pulp pump |
| CN103307029A (en) * | 2012-03-12 | 2013-09-18 | 江苏新跃泵业制造有限公司 | Novel wear-resistant and corrosion-resistant chemical centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Nair Metallurgy & Electric Power Group Co., Ltd. Assignor: Zhu Changyun Contract record no.: 2013990000327 Denomination of utility model: Wear-resistant and corrosion-resistant paper pulp pump Granted publication date: 20110831 License type: Exclusive License Record date: 20130619 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20140318 |