CN106321452A - Slurry pump - Google Patents
Slurry pump Download PDFInfo
- Publication number
- CN106321452A CN106321452A CN201610781863.6A CN201610781863A CN106321452A CN 106321452 A CN106321452 A CN 106321452A CN 201610781863 A CN201610781863 A CN 201610781863A CN 106321452 A CN106321452 A CN 106321452A
- Authority
- CN
- China
- Prior art keywords
- bearing
- impeller
- pump
- filler
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a slurry pump which comprises a transmission shaft; the transmission shaft is provided with an impeller, an auxiliary impeller, a filler chamber and a bearing chamber sequentially; a protective shell and a pump casing are installed at the periphery of the impeller sequentially from inside to outside in a sleeved manner; the protective shell is composed of a front protective plate, a back protective plate and a volute; the pump casing is composed of a front pump casing and a back pump casing; the front pump casing is connected with the back pump casing through a fastener; the back protective plate is arranged between the impeller and the auxiliary impeller; the filler chamber is arranged between the back pump casing and the back protective plate; and the back pump casing and the front pump casing tightly press the filler chamber, the back protective casing volute and the front protective plate sequentially in the axial direction. The slurry pump has the advantages of long service life and good sealing effect.
Description
Technical field
The present invention relates to mechanical field, be specifically related to a kind of Pulp pump.
Background technology
Pulp pump can be widely used for mine, and the conveying of the industry such as electric power, metallurgy, coal, environmental protection is containing abrasive solids granule
Slurry.Such as technics of metallurgy mineral dressing factory pulp conveying, thermal power plant's hydraulic(-ash) sluicing, coal washery coal slurry and dense medium conveying, river training, river
Desilting etc..At chemical industry, it is possible to carry some corrosivity slurries containing crystallization.
Due to Pulp pump pumping is the slurry with solid particle, and therefore slurry is vertical relatively to the impact of pump case the most afterwards
Greatly, the slurry pump case life-span of the prior art is short, changes trouble, and solid particle is easily accessible filler and bearing chamber, causes and fills out
Grinding abrasion and bearing wear, make pump material leakage serious.
Summary of the invention
In view of this, the application provides a kind of Pulp pump, has service life long, the advantage of good sealing effect.
For solving above technical problem, the technical scheme that the present invention provides is a kind of Pulp pump, including power transmission shaft, described biography
Be sequentially provided with impeller, accessory impeller, filler chamber and bearing chamber on moving axis, described impeller periphery be set with the most successively protective case and
Pump case, described protective case includes apron plate, rear backplate and spiral case, and described pump case includes front pump shell and rear pump shell, described front pump shell and
Rear pump shell is connected by securing member, and described rear backplate is arranged between described impeller and described accessory impeller, and described filler chamber is arranged
Between rear pump shell and rear backplate, described rear pump shell and front pump shell are successively by filler chamber, rear protective case spiral case and apron plate vertically
Compress.
Preferably, described rear backplate is provided with backflow and seals tongue, and the wheel hub of described wheel backface is provided with annular groove,
Described backflow seals tongue and is nested in annular groove.
Preferably, described accessory impeller and described impeller is opposing is arranged on power transmission shaft.
Preferably, described impeller is provided with threaded connection hole, and described impeller is threaded connection hole and is connected on power transmission shaft.
Preferably, described threaded connection hole is blind hole.
Preferably, described power transmission shaft being set with seal cage, filler and gland successively, described gland is by tight
Firmware is fixed in filler chamber, and described seal cage and filler pass through gland axial compression in filler chamber.
Preferably, described filler chamber is additionally provided with flushing water hole, described flushing water hole and seal cage UNICOM.
Preferably, between described filler chamber and bearing chamber, be sequentially provided with water retaining disk vertically, bearing capping, clutch shaft bearing,
Second bearing, bearing block and bearing plate, the capping of described bearing and described bearing plate are axially fixed on bearing chamber, described
Clutch shaft bearing is pressed on power transmission shaft by water retaining disk, and the second bearing is pressed on power transmission shaft by described bearing plate vertically.
Preferably, described water retaining disk is " C " type ring, and the capping of described bearing is provided with cannelure, described water retaining disk outer ring
Bulge loop is nested in the cannelure of bearing capping.
Preferably, being additionally provided with outside framework oil seal between described water retaining disk and bearing capping, described outside framework oil seal is sleeved on described
On water retaining disk.
Compared with prior art, its detailed description is as follows for the application:
The connecting hole of described impeller is blind hole, and impeller set is contained in one end of main shaft, the advantage with protection main shaft.
The back side of described impeller is provided with accessory impeller, is provided with rear backplate, described rear backplate between described accessory impeller and impeller
Being provided with backflow sealing ring, described backflow sealing ring is nested in the cannelure of impeller hub, refluxes for leakage, has protection
Accessory impeller and the advantage of filler.
The outside of described impeller is set with protective case and pump case successively, when the protective case of impeller damages because of Pulp pump running, logical
Cross the protective case inside changing to safeguard, improve the service life of Pulp pump.
Described filler chamber is provided with flushing water hole, described flushing water hole and seal cage UNICOM, when Pulp pump works, is passed through big
In the water of Pulp pump outlet pressure 1.2kg, improve packing seal effect, be effectively improved the service life of sealing.
The application provides a kind of Pulp pump, has service life long, the advantage of good sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of middle pump body of the present invention；
Fig. 3 is the structural representation of middle (center) bearing room of the present invention；
Fig. 4 is that in the present invention, backflow seals tongue and the scheme of installation of annular groove.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, real with concrete below in conjunction with the accompanying drawings
The present invention is described in further detail to execute example.
A kind of Pulp pump, including power transmission shaft 13, described power transmission shaft 13 is sequentially provided with impeller 10, accessory impeller 12 vertically, fills out
Material room 6 and bearing chamber 14, described impeller 10 periphery is cased with apron plate 1, rear backplate 11 and spiral case 3, the peripheral set of described apron plate 1
Having front pump shell 2, the periphery of described rear backplate 11 to be cased with rear pump shell 4, described front pump shell 2 and rear pump shell 4 are connected by securing member, its
In, described rear backplate 11 is arranged between impeller 10 and accessory impeller 12.
Described accessory impeller 12 and the opposing setting of described impeller 10, the blade quantity of described impeller 10 is 5, described accessory impeller 12
Blade quantity be 4.
Described rear backplate 11 has been provided with backflow sealing ring, and described backflow sealing ring is bulge loop, the wheel hub of described impeller 10
The back side is provided with backflow seal groove, and described backflow sealing ring is fastened in backflow seal groove.
The screwed hole that described impeller 10 is connected with described power transmission shaft 13 is blind hole.
Seal cage 9, filler 8 and gland 5, described seal cage 9, filler 8 it is sequentially provided with vertically in described filler chamber 6
Being sleeved on axle sleeve 7 with gland 5, described filler 8 is oil immersion graphite packing, and described seal cage 9 is arranged on filler 8 and filler
Between room 6, described filler chamber 6 is provided with flushing water hole, and described flushing water hole and seal cage 9 communicate, when Pulp pump works, and punching
Wash water hole is passed through the water more than Pulp pump outlet pressure 1.2kg, is used for pressurize leakproof and lubrication filler.
Water retaining disk 16, bearing capping 15, clutch shaft bearing it is sequentially provided with vertically between described filler chamber 6 and bearing chamber 14
23, the second bearing 24, bearing block 18 and bearing plate 21, described bearing capping 15 and described bearing plate 21 are axially fixed to
On bearing chamber, clutch shaft bearing is pressed on power transmission shaft 13 by described water retaining disk 16, and described bearing plate 21 is vertically by the second axle
Hold and be pressed on power transmission shaft 13.
Described water retaining disk 16 is " C " type ring, and the capping of described bearing 15 is provided with cannelure, described water retaining disk 16 outer ring convex
Ring is nested in the cannelure of bearing capping 15.
Being additionally provided with outside framework oil seal 17 between described water retaining disk 16 and bearing capping 15, described outside framework oil seal 17 is sleeved on described
On water retaining disk 16.
Being provided with short sleeve 19 between described bearing plate 21 and power transmission shaft 13, described short sleeve 19 is by locking nut 22 axle
To being fixed on power transmission shaft 13, the internal ring of the second bearing is axially pressed under the effect of locking nut 22 by described short sleeve 19
On power transmission shaft 13.
Being provided with bearing block 18 between described second bearing and bearing chamber 14, described bearing block 18 is sleeved on outside the second bearing
On circle, described bearing block 18 is fixed on bearing chamber 14, is provided with outside framework oil seal, institute between described bearing plate 21 and the second bearing
State bearing plate 21 to be pressed on bearing block 18 outer ring of the second bearing vertically.
The connecting hole of described impeller is blind hole, and impeller set is contained in one end of main shaft, the advantage with protection main shaft.
The back side of described impeller is provided with accessory impeller, is provided with rear backplate, described rear backplate between described accessory impeller and impeller
Being provided with backflow sealing ring, described backflow sealing ring is nested in the cannelure of impeller hub, refluxes for leakage, has protection
Accessory impeller and the advantage of filler.
The outside of described impeller is set with protective case and pump case successively, when the protective case of impeller damages because of Pulp pump running, logical
Cross the protective case inside changing to safeguard, improve the service life of Pulp pump.
Described filler chamber is provided with flushing water hole, described flushing water hole and seal cage UNICOM, when Pulp pump works, is passed through big
In the water of Pulp pump outlet pressure 1.2kg, improve packing seal effect, be effectively improved the service life of sealing.
The application provides a kind of Pulp pump, has service life long, the advantage of good sealing effect.
Below it is only the preferred embodiment of the present invention, it is noted that it is right that above-mentioned preferred implementation is not construed as
The restriction of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (10)
1. a Pulp pump, including power transmission shaft, it is characterised in that be sequentially provided with impeller, accessory impeller, filler chamber on described power transmission shaft
And bearing chamber, described impeller periphery is set with protective case and pump case the most successively, described protective case include apron plate, rear backplate and
Spiral case, described pump case includes that front pump shell and rear pump shell, described front pump shell and rear pump shell are connected by securing member, and described rear backplate sets
Putting between described impeller and described accessory impeller, described filler chamber is arranged between rear pump shell and rear backplate, described rear pump shell and
Filler chamber, rear protective case spiral case and apron plate are compressed by front pump shell successively vertically.
A kind of Pulp pump the most according to claim 1, it is characterised in that described rear backplate is provided with backflow and seals tongue,
The wheel hub of described wheel backface is provided with annular groove, and described backflow seals tongue and is nested in annular groove.
A kind of Pulp pump the most according to claim 1, it is characterised in that described accessory impeller and described impeller is opposing is arranged on
On power transmission shaft.
A kind of Pulp pump the most according to claim 1, it is characterised in that described impeller is provided with threaded connection hole, described
Impeller is threaded connection hole and is connected on power transmission shaft.
A kind of Pulp pump the most according to claim 4, it is characterised in that described threaded connection hole is blind hole.
A kind of Pulp pump the most according to claim 1, it is characterised in that be set with seal cage on described power transmission shaft successively,
Filler and gland, described gland is fixed in filler chamber by securing member, and described seal cage and filler pass through filler
Gland axial compression is in filler chamber.
A kind of Pulp pump the most according to claim 6, it is characterised in that be additionally provided with flushing water hole, institute in described filler chamber
State flushing water hole and seal cage UNICOM.
A kind of Pulp pump the most according to claim 1, it is characterised in that depend on vertically between described filler chamber and bearing chamber
The secondary water retaining disk that is provided with, bearing capping, clutch shaft bearing, the second bearing, bearing block and bearing plate, the capping of described bearing and described axle
Bearing plate is axially fixed on bearing chamber, and clutch shaft bearing is pressed on power transmission shaft by described water retaining disk, described bearing plate edge
Axially the second bearing is pressed on power transmission shaft.
A kind of Pulp pump the most according to claim 8, it is characterised in that described water retaining disk is " C " type ring, and described bearing seals
Covering and be provided with cannelure, the bulge loop of described water retaining disk outer ring is nested in the cannelure of bearing capping.
A kind of Pulp pump the most according to claim 9, it is characterised in that also set between described water retaining disk and bearing capping
Outside framework oil seal, described outside framework oil seal is had to be sleeved on described water retaining disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781863.6A CN106321452A (en) | 2016-08-30 | 2016-08-30 | Slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781863.6A CN106321452A (en) | 2016-08-30 | 2016-08-30 | Slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321452A true CN106321452A (en) | 2017-01-11 |
Family
ID=57788540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610781863.6A Pending CN106321452A (en) | 2016-08-30 | 2016-08-30 | Slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321452A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200943600Y (en) * | 2006-08-05 | 2007-09-05 | 阳泉水泵厂有限责任公司 | Impeller detaching structure of slurry pump |
| CN201521451U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Slurry pump |
| CN202082139U (en) * | 2011-05-27 | 2011-12-21 | 锦州重型水泵有限公司 | Energy-saving slurry pump |
| CN202646021U (en) * | 2012-06-05 | 2013-01-02 | 河北木源泵业有限责任公司 | Improved slurry pump |
| CN203670219U (en) * | 2014-01-11 | 2014-06-25 | 江苏双达泵阀集团有限公司 | Wear-resistant slurry pump |
| CN205078456U (en) * | 2015-10-27 | 2016-03-09 | 石家庄栾兴泵业有限公司 | Two shell sediment stuff pumps |
-
2016
- 2016-08-30 CN CN201610781863.6A patent/CN106321452A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200943600Y (en) * | 2006-08-05 | 2007-09-05 | 阳泉水泵厂有限责任公司 | Impeller detaching structure of slurry pump |
| CN201521451U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Slurry pump |
| CN202082139U (en) * | 2011-05-27 | 2011-12-21 | 锦州重型水泵有限公司 | Energy-saving slurry pump |
| CN202646021U (en) * | 2012-06-05 | 2013-01-02 | 河北木源泵业有限责任公司 | Improved slurry pump |
| CN203670219U (en) * | 2014-01-11 | 2014-06-25 | 江苏双达泵阀集团有限公司 | Wear-resistant slurry pump |
| CN205078456U (en) * | 2015-10-27 | 2016-03-09 | 石家庄栾兴泵业有限公司 | Two shell sediment stuff pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 610300 Sichuan province Chengdu City Development Zone Qingbaijiang industrial zone with Wang Lu Applicant after: Chengdu Yongyi pump Limited by Share Ltd Address before: 610300 Sichuan Province, Chengdu District of Qingbaijiang City Industrial Development Zone with Road No. 777 Applicant before: Chengdu Yongyi Pumps Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |