CN208686594U - Electric lime-ash liquid pump under New - Google Patents
Electric lime-ash liquid pump under New Download PDFInfo
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- CN208686594U CN208686594U CN201821417933.0U CN201821417933U CN208686594U CN 208686594 U CN208686594 U CN 208686594U CN 201821417933 U CN201821417933 U CN 201821417933U CN 208686594 U CN208686594 U CN 208686594U
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- pump cover
- main shaft
- liquid pump
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Abstract
The utility model relates to power plant boiler ancillary technique field, electric lime-ash liquid pump under especially a kind of New.Electric lime-ash liquid pump is by offering annular side that interior diameter becomes larger from top to bottom to intake chute in junction pipe medial surface lower end under the New of the utility model, it is located at lateral drain groove location with centrifuge blade in main shaft lateral surface, to generate lateral centrifugal force in main shaft rotation, cooperate lateral intake chute that centrifugal force is changed into lower pressure, to promote the hydraulic pressure of axle sealing water, and it is automatically adjusted according to rotation speed, greatly promote sealing performance, allow bottom to set pump cover and carries out drain from multiple angles, and intake chute and tilting built-in drainage hole are offered in inside, the mixed liquor that bottom is set inside pump cover is preferably discharged from by centrifugal force and gravity, it greatly promotes and is discharged from efficiency, internal siltation is avoided simultaneously, extend the service life of internal drive mechanism.
Description
Technical field
The utility model relates to power plant boiler ancillary technique field, electric lime-ash liquid pump under especially a kind of New.
Background technique
The effect of lime-ash liquid pump is that the mixture for the lime-ash and water being discharged after power plant boiler burns is transported to ash disposal area.
From ash pump from the point of view of, it belongs to Pulp pump class, commonly uses model: Z-type, ZGB type, ZJ type.It is detailed in epoch pump industry.Ash pump is defeated
The lime-ash sent must be crushed to 25mm through slag crusher hereinafter, due to often to overhaul or replace wearing terrain, so must be provided with
With pump.
The working media of ash pump is the mixture of water and lime-ash, and the abrasion and corrosion to metal are all very serious.Lime-ash warp
After impeller boosting, it can be leaked out by axle envelope or be accumulated in the dynamic and static gap location of axle envelope, cause the attrition and attack at this.It is anti-
The only generation of this phenomenon, ash pump require filling axle sealing water.The effect of ash pump is the mixture by grey solid impurity particle and water
After boosting, grey field is sent to by head conduit.The main reason for lime-ash pump shaft seal water leaks is due to axle sealing water in operation
Improper use or hydraulic pressure are insufficient, and at will deactivated axle sealing water and caused by.
Traditional lime-ash pump configuration is simple, and the hydraulic pressure of axle sealing water is mainly controlled by its self weight, can not according to revolving speed come
Inside water pressure is adjusted, leakproofness is extremely limited, and pump cover is mostly integral structure, and inside is not discharged from the guiding dress of lime-ash quickly
It sets, causes mixture to be easy product and become silted up inside pump cover, cause to carry out corrosive wear to inner wall, seriously affect service life.
Utility model content
Technical problem to be solved by the utility model is: providing one to solve the problems, such as above-mentioned background technique
Electric lime-ash liquid pump under kind improved New, it is simple to solve traditional lime-ash pump configuration, the hydraulic pressure of axle sealing water mainly pass through its from
It controls again, inside water pressure can not be adjusted according to revolving speed, leakproofness is extremely limited, and pump cover is mostly integral structure, internal
It is not discharged from the guiding device of lime-ash quickly, causes mixture to be easy product and becomes silted up inside pump cover, cause to carry out corrosion mill to inner wall
The problem of damaging, seriously affecting service life.
The technical scheme adopted by the utility model to solve the technical problem is as follows: electric lime-ash liquid pump, packet under a kind of New
Include overhead bearing housing, bolt be fixed on overhead bearing housing bottom junction pipe and positioned at be coupled bottom of the tube bottom set pump cover, it is described
Bottom set pump cover and be internally provided with impeller, main shaft is vertically arranged with inside the junction pipe, the main shaft lower end is by inserting
Enter and be axially fixedly connected inside impeller upper end assembly blind hole with impeller, the main shaft upper end is by being inserted into inside overhead bearing housing
With the transmission gear transmission connection inside overhead bearing housing, the junction pipe medial surface lower end offers annular side to drain
Slot, the main shaft lateral surface are located at the centrifuge blade that lateral drain groove location has multiple outwardly convexs, the centrifugation leaf
Piece is rectangular in a ring to be arranged in main shaft lateral surface, and the bottom sets and is provided with lateral drain pipe on the right side of pump cover, and the bottom is set
There is laterally attached pipe raised to the right on the forward and backward lateral surface of pump cover, the bottom set offered on pump cover lateral surface with laterally
The built-in drainage hole being connected inside connecting tube, the lateral drain pipe sets bridge piece the bottom of by and pump cover lateral surface is set at bottom
On laterally attached pipe bolt be fixedly connected.
Further, in order to which centrifugal force is changed into lower pressure, the lateral intake chute interior diameter size is from top to bottom
It becomes larger.
Further, in order to facilitate later period cleaning and maintenance, top opening is offered on the laterally attached pipe lateral surface
The lateral clean-up port of arc, inside the lateral clean-up port with the lateral seal being connected is offered in laterally inward side
Slot, the lateral clean-up port are internally provided with the arc seal cover board for being closed lateral clean-up port, the seal cover board
It is inserted into inside lateral seal groove by bottom and lateral seal plate and is connected and fixed inside lateral clean-up port.
Further, it loads and unloads for convenience, the seal cover board upper end two sides have top seal cover board, the top
Portion seal cover board both ends offer the connection through-hole of built-in assembly bolt, and the top seal cover board is screwed in by assembly bolt
Laterally attached pipe upper end is fixedly connected with laterally attached pipe.
Further, for the ease of deslagging, the built-in drainage hole height sets pump cover toward laterally attached pipe gradually the bottom of from
It is lower.
Further, in order to promote guiding performance, inner product is avoided to become silted up, the bottom set on pump cover medial surface have with it is built-in
The intake chute that drainage hole is connected.
The utility model has the beneficial effects that electric lime-ash liquid pump passes through on the inside of junction pipe under the New of the utility model
Face lower end offers annular side that interior diameter becomes larger from top to bottom to intake chute, is located at lateral intake chute in main shaft lateral surface
Position has centrifuge blade, to generate lateral centrifugal force in main shaft rotation, lateral intake chute is cooperated to be changed into centrifugal force
Lower pressure to promote the hydraulic pressure of axle sealing water, and is automatically adjusted according to rotation speed, greatly promotes sealing performance, while
Bottom sets pump cover lateral surface and the laterally attached pipe that is connected with lateral drain pipe is arranged, allow bottom set pump cover from multiple angles into
Row drain, and intake chute and tilting built-in drainage hole are offered in inside, the mixed liquor that bottom is set inside pump cover leads to
It crosses centrifugal force and gravity is preferably discharged from, greatly promote and be discharged from efficiency, while avoiding internal siltation, extend internal drive machine
The service life of structure.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view that the utility model indsole sets pump cover.
In figure: pump cover is set at 1. overhead bearing housings, 2. junction pipes, 3. bottoms, 4. impellers, 5. main shafts, 6. sides to intake chute, 7. from
Lobus cardiacus piece, 8. sides are to drain pipe, 9. laterally attached pipes, drainage hole built in 10., and 11. sides are to clean-up port, 12. lateral seal slots,
13. seal cover board, 14. top seal cover boards, 15. intake chutes.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Electric lime-ash liquid pump under Fig. 1 and New shown in Fig. 2, including overhead bearing housing 1, bolt are fixed on overhead bearing housing
The junction pipe 2 of 1 bottom and pump cover 3 is set positioned at the bottom of 2 bottom of junction pipe, bottom sets pump cover 3 and is internally provided with impeller 4, in junction pipe 2
Portion is vertically arranged with main shaft 5, and 5 lower end of main shaft is assembled by insertion 4 upper end of impeller and connected inside blind hole with 4 axial restraint of impeller,
5 upper end of main shaft is sequentially connected by the transmission gear inside 1 inside of insertion overhead bearing housing and overhead bearing housing 1, in junction pipe 2
Side lower end offers annular side to intake chute 6, and 5 lateral surface of main shaft, which is located at lateral 6 position of intake chute, has 3 outwardly convexs
Centrifuge blade 7, centrifuge blade 7 is rectangular in a ring to be arranged in 5 lateral surface of main shaft, and bottom, which is set, is provided with lateral drain on the right side of pump cover 3
Pipe 8, bottom, which is set, has laterally attached pipe 9 raised to the right on the forward and backward lateral surface of pump cover 3, bottom set offered on 3 lateral surface of pump cover with
The built-in drainage hole 10 being connected inside laterally attached pipe 9, lateral drain pipe 8 sets bridge piece the bottom of by and bottom is set outside pump cover 3
9 bolt of laterally attached pipe on side is fixedly connected.
Further, in order to which centrifugal force is changed into lower pressure, lateral 6 interior diameter size of intake chute gradually becomes from top to bottom
Greatly, further, it is lateral that open-topped arc is offered in order to facilitate later period cleaning and maintenance, on laterally attached 9 lateral surface of pipe
Clean-up port 11,11 inside of lateral clean-up port and offers the lateral seal slot 12 being connected in laterally inward side, lateral cleaning
Mouthfuls 11 are internally provided with the arc seal cover board 13 for being closed lateral clean-up port 11, and seal cover board 13 passes through bottom and lateral close
Envelope plate is inserted into inside lateral 12 inside of seal groove and lateral clean-up port 11 and connects and fixes, and further, loads and unloads for convenience, close
Covering 13 upper end two sides of plate has top seal cover board 14, and seal cover board 14 both ends in top offer the connection of built-in assembly bolt
Through-hole, top seal cover board 14 screws in laterally attached 9 upper end of pipe by assembly bolt and is fixedly connected with laterally attached pipe 9, into one
Step ground, for the ease of deslagging, built-in 10 height of drainage hole sets pump cover 3 bottom of from and is gradually lower toward laterally attached pipe, further, is
Promotion guiding performance, avoids inner product from becoming silted up, and bottom, which is set, has the intake chute being connected with built-in drainage hole 10 on 3 medial surface of pump cover
15, electric lime-ash liquid pump is by offering interior diameter from top to bottom in 2 medial surface lower end of junction pipe under the New of the utility model
The annular side become larger is located at lateral 6 position of intake chute with centrifuge blade 7 to intake chute 6, in 5 lateral surface of main shaft, thus
Lateral centrifugal force is generated when main shaft 5 rotates, cooperates lateral intake chute 6 that centrifugal force is changed into lower pressure, to promote axle envelope
The hydraulic pressure of water, and automatically adjusted according to rotation speed, sealing performance is greatly promoted, while setting the setting of 3 lateral surface of pump cover the bottom of at
The laterally attached pipe 9 being connected with lateral drain pipe 8 allows bottom to set pump cover 3 and carries out drain from multiple angles, and inside
Portion offers intake chute 15 and tilting built-in drainage hole 10, allow bottom set mixed liquor inside pump cover 3 by centrifugal force and
Gravity is preferably discharged from, and is greatly promoted and is discharged from efficiency, while avoiding internal siltation, and extend internal drive mechanism uses the longevity
Life.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. electric lime-ash liquid pump, is fixed on overhead bearing housing (1) bottom including overhead bearing housing (1), bolt under a kind of New
Pump cover (3) are set at junction pipe (2) and the bottom for being located at junction pipe (2) bottom, it is characterized in that: setting inside pump cover (3) is set at the bottom
Have impeller (4), be vertically arranged with main shaft (5) inside the junction pipe (2), the main shaft (5) lower end passes through insertion impeller
(4) it is connected inside upper end assembly blind hole with impeller (4) axial restraint, the main shaft (5) upper end passes through insertion overhead bearing housing
(1) internal and overhead bearing housing (1) internal transmission gear transmission connection, the junction pipe (2) medial surface lower end offers
For annular side to intake chute (6), the main shaft (5) lateral surface is located at lateral intake chute (6) position with multiple outwardly convexs
Centrifuge blade (7), the centrifuge blade (7) is rectangular in a ring to be arranged in main shaft (5) lateral surface, and pump cover is set at the bottom
(3) right side is provided with lateral drain pipe (8), and laterally connecting with protrusion to the right on pump cover (3) forward and backward lateral surface is set at the bottom
It takes over (9), the built-in drainage hole for offering on pump cover (3) lateral surface and being connected inside laterally attached pipe (9) is set at the bottom
(10), the lateral drain pipe (8) bottom of by sets bridge piece and laterally attached pipe (9) on pump cover (3) lateral surface is set at bottom
Bolt is fixedly connected.
2. electric lime-ash liquid pump under New according to claim 1, it is characterized in that: straight in the lateral intake chute (6)
Diameter size becomes larger from top to bottom.
3. electric lime-ash liquid pump under New according to claim 1, it is characterized in that: on the outside of the laterally attached pipe (9)
Offer the lateral clean-up port of open-topped arc (11) on face, the lateral clean-up port (11) is internal and laterally inward side on
The lateral seal slot (12) being connected is offered, the lateral clean-up port (11) is internally provided with for being closed lateral cleaning
The arc seal cover board (13) of mouth (11), the seal cover board (13) are inserted into lateral seal by bottom and lateral seal plate
It is connected and fixed inside slot (12) inside and lateral clean-up port (11).
4. electric lime-ash liquid pump under New according to claim 3, it is characterized in that: described seal cover board (13) upper end two
Side has top seal cover board (14), and the connection that described top seal cover board (14) both ends offer built-in assembly bolt is logical
Hole, the top seal cover board (14) screws in laterally attached pipe (9) upper end by assembly bolt and laterally attached pipe (9) is fixed
Connection.
5. electric lime-ash liquid pump under New according to claim 1, it is characterized in that: built-in drainage hole (10) height
Pump cover (3) are set the bottom of to be gradually lower toward laterally attached pipe (9).
6. electric lime-ash liquid pump under New according to claim 1, it is characterized in that: pump cover (3) medial surface is set at the bottom
It is upper that there is the intake chute (15) being connected with built-in drainage hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417933.0U CN208686594U (en) | 2018-08-30 | 2018-08-30 | Electric lime-ash liquid pump under New |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417933.0U CN208686594U (en) | 2018-08-30 | 2018-08-30 | Electric lime-ash liquid pump under New |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686594U true CN208686594U (en) | 2019-04-02 |
Family
ID=65887501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821417933.0U Active CN208686594U (en) | 2018-08-30 | 2018-08-30 | Electric lime-ash liquid pump under New |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146498A (en) * | 2023-02-23 | 2023-05-23 | 江苏京川水设备有限公司 | Anti-blocking self-cleaning sewage pump for integrated pump station |
-
2018
- 2018-08-30 CN CN201821417933.0U patent/CN208686594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146498A (en) * | 2023-02-23 | 2023-05-23 | 江苏京川水设备有限公司 | Anti-blocking self-cleaning sewage pump for integrated pump station |
| CN116146498B (en) * | 2023-02-23 | 2024-04-19 | 江苏京川水设备有限公司 | Anti-blocking self-cleaning sewage pump for integrated pump station |
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