CN207049060U - A kind of efficient non-leakage pump - Google Patents
A kind of efficient non-leakage pump Download PDFInfo
- Publication number
- CN207049060U CN207049060U CN201720950234.1U CN201720950234U CN207049060U CN 207049060 U CN207049060 U CN 207049060U CN 201720950234 U CN201720950234 U CN 201720950234U CN 207049060 U CN207049060 U CN 207049060U
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- China
- Prior art keywords
- pump
- impeller
- mechanical seal
- leakage
- ring
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- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009972 noncorrosive effect Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to pump manufacturing technology field,Disclose a kind of efficient non-leakage pump,It is high to solve the cost of noncorrosive pump in the prior art,And use conventional pump,Cause the sealing life of pump short,Pump element is changed frequent,Repair the problem of operating cost is higher,The efficient non-leakage anticorrosive anti-wear pump includes pump case,Pump inlet,Pump discharge,Pump shaft,One end of pump shaft is equipped with impeller,The other end of pump shaft is equipped with bearing block assembly,Axle sleeve is housed on pump shaft,Mechanical seal is housed on axle sleeve,Mechanical seal is installed close to pump inlet,Mechanical seal includes rotating ring,Stationary ring,Spring and installed in stationary ring and the stationary seat of spring outwards,Rotating ring,Stationary ring is respectively positioned in pump inlet chamber,One end of rotating ring and intermediate sleeve connects,The other end of intermediate sleeve is connected with impeller,And the entrance point of impeller is provided with choma,Mechanical seal is provided with the sour device of gear close to one end of bearing block assembly and gear acid device is on pump shaft.
Description
Technical field
It the utility model is related to pump manufacturing technology field, and in particular to a kind of efficient non-leakage pump.
Background technology
Most of concentration of medium in the industries such as nonferrous smelting, rare earth is 10-30% or so, containing 10~15% acid, is had few
The particle of amount, there is crystalline polamer when temperature is low, technological requirement material can not pollute, so can not add cooling water.So harsh
Condition, the performance requirement of anticorrosive anti-wear and sealing to pump are very high.If using special stainless steel material and special sealing
Pattern, it can generally meet above-mentioned process conditions, but cost is very high.In order to save the cost disposably put into, selection uses user
Conventional pump, so the sealing life of pump is short, the element replacement such as impeller, pump case is frequent, and maintenance operating cost is higher, existing skill
Art can not solve the above problems.
Utility model content
The purpose of this utility model be in order to solve the cost of noncorrosive pump in the prior art height, using routine pump,
Cause the sealing life of pump short, pump element replacing is frequent, repairs the problem of operating cost is higher, there is provided a kind of efficiently nothing is let out
Leak pump.
In order to achieve the above object, the utility model uses following technical scheme：A kind of efficient non-leakage pump, including pump
Shell, the end of pump case are provided with pump cover, and pump case is provided with pump inlet, pump discharge, and pump case passes through built with pump shaft, one end of pump shaft
Shaft coupling is connected with motor, bearing block assembly is housed at motor on pump shaft, the other end of pump shaft is equipped with impeller, leaned on pump shaft
Intermediate sleeve is housed at nearly impeller, axle sleeve is housed on the pump shaft between intermediate sleeve and bearing block assembly, mechanical seal is housed on axle sleeve,
And mechanical seal is installed close to pump inlet, mechanical seal includes the rotating ring, stationary ring, spring and installed in quiet being arranged on axle sleeve
The stationary seat of ring and spring outwards, rotating ring and stationary ring are respectively positioned in the pump inlet chamber in pump case, and the one of rotating ring and intermediate sleeve
End connection, the other end of intermediate sleeve are connected with impeller, and the entrance point of impeller is provided with choma mechanical seal close to bearing block assembly
One end be provided with and keep off sour device and gear acid device is arranged on pump shaft.
Further improved as the utility model, intermediate sleeve is all provided with rotating ring junction and intermediate sleeve with impeller junction
There is sealing ring.
Further improved as the utility model, rotating ring is provided with sealing ring with axle sleeve junction.
Further improved as the utility model, keep off sour device as the acid-blocking piece on pump shaft and be arranged on gear acid
The adjusting nut of piece side.
Further improved as the utility model, anticorrosion antiwear layer is housed in intermediate sleeve.
Further improved as the utility model, anticorrosion antiwear layer is ultra high molecular polyethylene layer.
Further improved as the utility model, stationary seat is provided with anticorrosion antiwear at sealing with pump inlet chamber contact position
Layer.
Further improved as the utility model, pump case is structure as a whole, and the inner chamber of pump case and pump cover is provided with inner chamber
Anticorrosion antiwear layer.
The utility model has the advantages that relative to prior art：Efficient non-leakage corrosion resistant of the present utility model
Abrasion resisting pump is installing mechanical seal at pump inlet, and the rotating ring and stationary ring of mechanical seal are respectively positioned on the pump inlet chamber in pump case
In room, in pump operation, the medium circulation of seal area, frictional heat caused by mechanical seal is taken away, cooled sealing surface, simultaneously
Sealing surface has been at low-pressure area during pump operation, the dynamic and static ring stress very little of mechanical seal, will not cause mechanical seal
Fatigue deformation and the fragmentation of dynamic and static ring, therefore mechanical seal is not easy to reveal, and effectively extends the service life of sealing.Meanwhile
Rotating ring, the stationary ring of mechanical seal are totally submerged in medium, are had larger cooling and lubricating space, are advantageous to the sealing of mechanical seal
The radiating in face.Mechanical seal one end, which is provided with, keeps off sour device, can prevent corrosion of the fluid seepage to part.And the impeller in pump case
For the structure with choma, can preferably sealing medium, be adapted to transfer ore pulp, prevent medium from being flowed back to pump inlet, effectively improve
Operating efficiency.
In addition, the inner chamber of pump case of the present utility model and pump cover is provided with inner chamber anticorrosion antiwear layer, stationary seat and pump inlet
Chamber contact position is provided with anticorrosion antiwear layer at sealing, and anticorrosion antiwear layer is housed in intermediate sleeve, can effectively be prevented to flow passage components
Infringement.Pump case makes one-piece parts with import, export pipeline, effectively reduces sealing surface, makes sealing more safe and reliable, fills
With simple, compact-sized, the occasion of suitable hypertoxic, explosion-proof, anti-corrosion and precious liquid.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is partial enlarged drawing at Fig. 1 A.
Fig. 4 is blade wheel structure schematic diagram of the present utility model.
Fig. 5 is Fig. 4 side view.
Reference implication is as follows：1. pump cover；2. impeller clamp nut；3. pump inlet；4. pump discharge；5. impeller；
6. pump case；7. intermediate sleeve；8. anticorrosion antiwear layer；9. rotating ring；10. stationary ring；11. pump inlet chamber；12. choma；13.
Axle sleeve；14. stationary seat；15. mechanical seal；16. acid-blocking piece；17. adjusting nut；18. bearing block assembly；19. pump shaft；
20. shaft coupling；21. base；22. motor；23. anticorrosion antiwear layer at sealing；24. spring；25. inner chamber anticorrosion antiwear layer.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As Figure 1-5, a kind of efficient non-leakage pump, including pump case 6, pump cover 1 is installed on pump case 6, pump case 6 is integrated
Structure, and the inner chamber of pump case 6 and pump cover 1 is provided with inner chamber anticorrosion antiwear layer 25 made of ultra high molecular polyethylene, is set on pump case 6
There are pump inlet 3, pump discharge 4, for pump case 6 built with pump shaft 19, one end of pump shaft 19 is connected with motor 22 by shaft coupling 20, close
The power end of pump shaft 19 is equipped with bearing block assembly 18, and bearing block assembly 18 is installed on base 21 with motor 22, pump shaft 19
The other end is equipped with impeller 5, and impeller clamp nut 2 is housed on impeller 5, intermediate sleeve 7 is housed at impeller 5 on pump shaft 19, middle
Axle sleeve 13 is housed on pump shaft 19 between set 7 and bearing block assembly 18, axle sleeve 13 can use common material, can effectively reduce into
This, mechanical seal 15 is equipped with axle sleeve 13, and mechanical seal 15 is set close to pump inlet 3, and mechanical seal 15 includes being arranged on axle sleeve
Rotating ring 9, stationary ring 10, spring 24 on 13 and the stationary seat 14 installed in stationary ring 10 and the outside of spring 24, mechanical seal 15 is also
Including dynamic and static ring sealing ring.Rotating ring 9, the sealing force of stationary ring 10 are provided by spring 24, and stationary ring 10 passes through stationary ring with stationary seat 14
O-ring seal seals, and prevents medium from being flowed out from the inner surface of stationary seat 14.Rotating ring 9, the stationary ring 10 of mechanical seal 15 are respectively positioned on pump case
In pump inlet chamber 11 in 6, stationary seat 14 is fiberglass, and stationary seat 14 divides with the contact position of pump inlet chamber 11 provided with superelevation
Anticorrosion antiwear layer 23 at sealing made of sub- polyethylene, can prevent liquid from corroding the flow passage components stationary seat 14 of pump, and protect
The groove dimensionally stable of stationary ring O-ring seal is demonstrate,proved, intensity and can anticorrosion antiwear had both been ensure that using composite construction, while reduce into
This.Rotating ring 9 is connected with one end of intermediate sleeve 7, and ultra high molecular polyethylene anticorrosion antiwear layer 8 is housed in intermediate sleeve 7, intermediate sleeve 7
The other end is connected with impeller 5, and rotating ring 9 and impeller 5 can be positioned, and the entrance point of impeller 5 is provided with choma 12.Intermediate sleeve
7 are equipped with sealing ring with the junction of rotating ring 9 and the junction of impeller 5, and rotating ring 9 is provided with sealing ring with the junction of axle sleeve 13, can be with
Liquid leakage is effectively prevented, mechanical seal 15 is provided with the sour device of gear close to one end of bearing block assembly 18 and gear acid device is mounted in pump
On axle 19, sour device is kept off as the acid-blocking piece 16 on pump shaft 19 and is arranged on the adjusting nut 17 of the side of acid-blocking piece 16,
Corrosion of the fluid seepage to part can be prevented.
During work, motor 22 drives pump shaft 19 to start to rotate by shaft coupling 20, and under inside and outside differential pressure, medium is from pump inlet
3 enter pump inlet chambers 11, and after being sucked afterwards by impeller 5, liquid is projected by the discharge opening vortex of impeller 5, then from pumping out
Mouth 4 sprays, and in the process, because the entrance point of impeller 5 is provided with choma 12, can prevent medium from being returned to pump inlet 3 with sealing medium
Stream, further, since mechanical seal 15 is set close to pump inlet 3, medium has been taken away and rubbed caused by mechanical seal 15 at work
Heat, mechanical seal 15 is cooled, while mechanical seal 15 has been at low-pressure area, the rotating ring of mechanical seal during pump operation
9th, stationary ring 10 selects silicon carbide material, forms firmly to hard sealing surface, can seal the medium containing particle；Rotating ring 9 and axle sleeve
13 form sealing by rotating ring O-ring seal, prevent medium from being flowed out along axle sleeve 13, and by close between rotating ring 9 and intermediate sleeve 7
Seal forms sealing, axle sleeve 13 is not contacted with medium, in addition, the acid-blocking piece 16 and adjusting nut 17 of the one end of mechanical seal 15
Corrosion of the fluid seepage to part can further be prevented.When conveyer belt granule medium or the medium with corrosion property, in pump
Flow passage components be all provided with and anticorrosion antiwear layer, i.e. stationary seat 14 and anticorrosion antiwear layer at the sealing of the contact position of pump inlet chamber 11
23rd, the anticorrosion antiwear layer 8 in the inner chamber anticorrosion antiwear layer 25 of the inner chamber of pump case 6 and pump cover 1 and intermediate sleeve 7 can be effectively resistance to
Rotten wear-resisting, the use range of pump is wide, long working life.
Claims (8)
1. a kind of efficient non-leakage pump, including pump case（6）, pump case（6）End pump cover is installed（1）, pump case（6）It is provided with pump
Import（3）, pump discharge（4）, pump case（6）Built with pump shaft（19）, pump shaft（19）One end pass through shaft coupling（20）It is connected with electricity
Machine（22）, pump shaft（19）Upper close motor（22）Place is equipped with bearing block assembly（18）, pump shaft（19）The other end impeller is housed
（5）, pump shaft（19）Upper close impeller（5）Place is equipped with intermediate sleeve（7）, intermediate sleeve（7）With bearing block assembly（18）Between pump shaft
（19）It is upper that axle sleeve is housed（13）, it is characterized in that：Axle sleeve（13）It is upper that mechanical seal (15) is housed, and mechanical seal (15) is entered close to pump
Mouthful（3）Installation, mechanical seal (15) include being arranged on axle sleeve（13）On rotating ring（9）, stationary ring（10）, spring（24）And installation
In stationary ring（10）With spring（24）The stationary seat in outside（14）, rotating ring（9）And stationary ring（10）It is respectively positioned on pump case（6）Interior pump enters
Oral chamber（11）In, rotating ring（9）With intermediate sleeve（7）One end connection, intermediate sleeve（7）The other end and impeller（5）Connection, impeller
（5）Entrance point be provided with choma（12）, mechanical seal (15) is close to bearing block assembly（18）One end be provided with and keep off sour device and gear
Sour device is arranged on pump shaft（19）On.
2. a kind of efficient non-leakage pump according to claim 1, it is characterized in that：The intermediate sleeve（7）With rotating ring（9）Connection
Place and intermediate sleeve（7）With impeller（5）Junction is equipped with sealing ring.
3. a kind of efficient non-leakage pump according to claim 1 or 2, it is characterized in that：The rotating ring（9）With axle sleeve（13）Even
Meet place and be provided with sealing ring.
4. a kind of efficient non-leakage pump according to claim 1, it is characterized in that：The sour device of gear is installed in pump shaft
（19）On acid-blocking piece（16）And it is arranged on acid-blocking piece（16）The adjusting nut of side（17）.
5. a kind of efficient non-leakage pump according to claim 1, it is characterized in that：The intermediate sleeve（7）It is upper resistance to equipped with anti-corrosion
Grind layer（8）.
6. a kind of efficient non-leakage pump according to claim 5, it is characterized in that：The anticorrosion antiwear layer（8）For superelevation point
Sub- polyethylene layer.
7. a kind of efficient non-leakage pump according to claim 1, it is characterized in that：The stationary seat（14）With pump inlet chamber
（11）Contact position is provided with anticorrosion antiwear layer at sealing（23）.
8. a kind of efficient non-leakage pump according to claim 1, it is characterized in that：The pump case（6）It is structure as a whole, and pump
Shell（6）And pump cover（1）Inner chamber be provided with inner chamber anticorrosion antiwear layer（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950234.1U CN207049060U (en) | 2017-08-01 | 2017-08-01 | A kind of efficient non-leakage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950234.1U CN207049060U (en) | 2017-08-01 | 2017-08-01 | A kind of efficient non-leakage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049060U true CN207049060U (en) | 2018-02-27 |
Family
ID=61499536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950234.1U Active CN207049060U (en) | 2017-08-01 | 2017-08-01 | A kind of efficient non-leakage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873060A (en) * | 2018-08-29 | 2020-03-10 | 广东德昌电机有限公司 | Pump body |
| CN116857220A (en) * | 2023-08-04 | 2023-10-10 | 丹东顺升机械设备有限公司 | A mechanical seal device for the shaft end of a chemical centrifugal pump |
-
2017
- 2017-08-01 CN CN201720950234.1U patent/CN207049060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873060A (en) * | 2018-08-29 | 2020-03-10 | 广东德昌电机有限公司 | Pump body |
| CN116857220A (en) * | 2023-08-04 | 2023-10-10 | 丹东顺升机械设备有限公司 | A mechanical seal device for the shaft end of a chemical centrifugal pump |
| CN116857220B (en) * | 2023-08-04 | 2023-12-22 | 丹东顺升机械设备有限公司 | Shaft end mechanical sealing device of chemical centrifugal pump |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |