CN207049060U - A kind of efficient non-leakage pump - Google PatentsA kind of efficient non-leakage pump Download PDF
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- 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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- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000004698 Polyethylene (PE) Substances 0.000 claims description 5
- 230000001808 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reactions Methods 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylenes Polymers 0.000 claims description 5
- 239000010410 layers Substances 0.000 claims 5
- 238000009434 installation Methods 0.000 claims 2
- 239000011257 shell materials Substances 0.000 claims 1
- 239000002253 acids Substances 0.000 abstract description 5
- 238000005516 engineering processes Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000003068 static Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 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
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001050 lubricating Effects 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
- 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
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.
It the utility model is related to pump manufacturing technology field, and in particular to a kind of efficient non-leakage pump.
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.
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.
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|
|Publication Number||Publication Date|
|CN207049060U true CN207049060U (en)||2018-02-27|
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)
|CN (1)||CN207049060U (en)|
- 2017-08-01 CN CN201720950234.1U patent/CN207049060U/en active Active
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