CN110056540B - Horizontal immersed pump device - Google Patents
Horizontal immersed pump device Download PDFInfo
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- CN110056540B CN110056540B CN201910352969.8A CN201910352969A CN110056540B CN 110056540 B CN110056540 B CN 110056540B CN 201910352969 A CN201910352969 A CN 201910352969A CN 110056540 B CN110056540 B CN 110056540B
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- pump pool
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- 239000007788 liquid Substances 0.000 claims abstract description 173
- 238000007789 sealing Methods 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 23
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- F04D13/00—Pumping installations or systems
- F04D13/16—Pumping installations or systems with storage reservoirs
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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
- F04D29/086—Sealings especially adapted for liquid 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
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a horizontal immersed pump device, which comprises a immersed pump and a pump pool which are horizontally arranged, wherein one end of the pump pool is provided with a pump pool liquid inlet pipe, and the other end of the pump pool is provided with a pump pool liquid outlet pipe; the immersed pump is arranged in the pump pool, and the liquid outlet end of the immersed pump is connected with the liquid outlet pipe of the pump pool through a connecting piece; the connecting piece is communicated with the immersed pump liquid outlet end and the pump pool liquid outlet pipe, an included angle exists between the axis of the immersed pump liquid outlet end and the axis of the pump pool liquid outlet pipe, and meanwhile the immersed pump liquid outlet end can be limited to move along the axial direction of the pump pool. The device can avoid the submerged pump liquid outlet end to break with the junction of pump sump drain pipe when submerged pump work, can also restrict the submerged pump and take place the displacement in pump sump axis direction simultaneously.
Description
Technical Field
The invention relates to the field of immersed pumps, in particular to a horizontal immersed pump device.
Background
The immersed pump of the LNG gas station is mainly vertically arranged in a pump pool, and then the pump pool is arranged beside a storage tank; the mode leads to higher whole pump sump, and pump sump feed liquor, return air mouth all are corresponding to be improved, in order to satisfy the net positive pressure head of immersed pump, generally adopt the way of improving storage tank basis height. The following disadvantages exist in improving the basic height of the storage tank: 1. and the workload of civil engineering is increased. 2. Increasing the on-site pipeline length. 3. Increasing the BOG amount. Meanwhile, the pump pool is arranged beside the storage tank, so that the occupied area is increased.
In order to solve the problems, the pump tank and the immersed pump are horizontally placed, the whole pump tank can be placed under the storage tank, the liquid outlet of the storage tank can be directly arranged at the bottom of the storage tank, on-site pipelines are reduced, liquid discharge of the storage tank and liquid inlet of the pump tank are smoother, the fluid resistance can be effectively reduced, and the generation of BOG is reduced. While reducing the footprint.
The patent with the application number of CN201320834127.4 and the patent name of full high vacuum horizontal LNG immersed pump pool discloses a structure that an immersed pump is horizontally placed in a horizontal pump pool. In this patent, the submersible pump is connected to the pump outlet flange by fasteners which are adjustable screw sleeve assemblies, as the submersible pump and pump outlet flange are rigidly connected, as the pump outlet and pump outlet are kept coaxial. Because of the rigid connection, the immersed pump is suspended in the pump pool, and meanwhile, the immersed pump is large in volume and weight, so that when the immersed pump works, the immersed pump vibrates strongly, and flanges of the immersed pump and the pump outlet are easy to break.
The application number is CN201410299219.6, and the patent name is LNG immersed pump system, wherein one end of the horizontal immersed pump is connected with a liquid outlet pipeline through a flexible connecting piece, so that the problems of breakage and severe vibration of a connecting part caused by rigid connection of the immersed pump and the liquid outlet pipeline are solved. Because the flexible connecting piece is the bellows, the axial direction of the bellows is not stressed, and the immersed pump can move along the axial direction of the pump pool when in operation.
Disclosure of Invention
The invention aims at: to the problem that exists, provide a horizontal immersed pump device, this device can avoid immersed pump during operation immersed pump liquid end and pump sump drain pipe's junction to take place the rupture, can also restrict the immersed pump originally to take place the displacement in pump sump axis direction simultaneously.
The technical scheme adopted by the invention is as follows:
the horizontal immersed pump device comprises a immersed pump and a pump pool which are horizontally arranged, wherein one end of the pump pool is provided with a pump pool liquid inlet pipe, and the other end of the pump pool is provided with a pump pool liquid outlet pipe; the immersed pump is arranged in the pump pool, and the liquid outlet end of the immersed pump is connected with the liquid outlet pipe of the pump pool through a connecting piece; the connecting piece is communicated with the immersed pump liquid outlet end and the pump pool liquid outlet pipe, an included angle exists between the axis of the immersed pump liquid outlet end and the axis of the pump pool liquid outlet pipe, and meanwhile the immersed pump liquid outlet end can be limited to move along the axial direction of the pump pool.
Due to the structure, the connecting piece enables the liquid outlet end of the immersed pump and the liquid outlet pipe of the pump pool to deflect, so that when the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool are not collinear, the connection between the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool can be still kept, the joint can be prevented from being broken, the connecting piece can also limit the immersed pump to move in the axial direction of the pump pool, and the safety and reliability in the working process of the immersed pump are ensured.
Further, a submerged pump connecting flange is arranged at the submerged pump liquid outlet end; the inlet end of the pump pool liquid outlet pipe is provided with a pump pool liquid outlet pipe connecting flange; the connecting piece comprises a plurality of clamping plates clamped on the liquid outlet end of the immersed pump, and the clamping plates are arranged at equal intervals around the liquid outlet end of the immersed pump; the clamping plates are connected with the pump pool liquid outlet pipe connecting flange through bolts, the immersed pump connecting flange is clamped between the clamping plates and the pump pool liquid outlet pipe connecting flange, one end face of the immersed pump connecting flange is in contact with the plate face of each clamping plate, and the other end face of the immersed pump connecting flange is in butt joint with the pump pool liquid outlet pipe connecting flange.
The existing connection mode is that the immersed pump connection flange and the pump pool liquid outlet pipe connection flange are directly connected through bolts, so that the connection mode is rigid connection. The immersed pump connecting flange is clamped on the pump pool liquid outlet pipe connecting flange through the plurality of clamping plates, and the connection of the immersed pump connecting flange and the pump pool liquid outlet pipe can be ensured under the condition that the axis of the immersed pump and the axis of the pump pool liquid outlet pipe are slightly deviated due to the existence of gaps among the clamping plates. Meanwhile, when the immersed pump works, the immersed pump liquid outlet end can swing slightly, so that the axis of the immersed pump liquid outlet end is slightly deviated from the axis of the pump pool liquid outlet pipe, the connection between the immersed pump liquid outlet end and the pump pool liquid outlet pipe is not in rigid connection, the connection part cannot be broken, and meanwhile, as the immersed pump connecting flange and the pump pool liquid outlet pipe connecting flange are in contact with each other, the immersed pump cannot move in the axial direction of the pump pool. Ensuring the working safety.
Further, the connecting piece comprises an upper clamping plate and a lower clamping plate which are clamped at the upper half circumference and the lower half circumference of the liquid outlet end of the immersed pump; the upper clamping plate and the lower clamping plate are connected with the pump pool liquid outlet pipe connecting flange through bolts, the immersed pump connecting flange is clamped between the two clamping plates and the pump pool liquid outlet pipe connecting flange, one end face of the immersed pump connecting flange is in contact with the plate faces of the upper clamping plate and the clamping plates, and the other end face of the immersed pump connecting flange is in butt joint with the pump pool liquid outlet pipe connecting flange.
Furthermore, the axis of the liquid outlet end of the immersed pump can deviate relative to the axis of the liquid outlet pipe of the pump pool by the upper clamping plate and the lower clamping plate, so that an included angle exists between the axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool.
Because there is the clearance between upper cardboard and lower cardboard, and under the dead weight effect, immersed pump liquid outlet end axis can be with lower deflection for pump sump liquid outlet axis between upper cardboard and lower cardboard. And the deflection amplitude is limited by the gap between the upper clamping plate and the lower clamping plate. The axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool can be communicated under the state that an included angle exists.
Further, an elastic sealing piece is arranged at the joint of the liquid outlet end of the immersed pump and the liquid outlet pipe of the pump pool.
Due to the structure, the elastic sealing piece exists, so that the liquid leakage of the butt joint of the liquid outlet end of the immersed pump and the liquid outlet pipe of the pump pool can be avoided in the process of slightly deflecting the liquid outlet end of the immersed pump. Meanwhile, due to the existence of the elastic sealing piece, the butt joint part of the liquid outlet end of the immersed pump and the liquid outlet pipe of the pump pool is not in rigid contact, and the liquid outlet end of the immersed pump has certain elasticity so as to ensure slight deflection and swing.
Further, the front end and/or the rear end of the immersed pump body are/is provided with a plurality of supporting pieces, the supporting pieces are arranged at equal intervals around the pump body, and the supporting pieces are used for being in contact with the inner wall of the pump pool; the support is an elastic support or a rigid support.
Due to the structure, the violent vibration of the immersed pump body can be avoided through the support of the support piece.
Further, the support piece is a rigid support piece, and when the central axis of the pump body is coincident with the central axis of the pump pool, a gap exists between the rigid support piece and the inner wall of the pump pool.
Due to the existence of the gap, the pump body can be conveniently installed in the pump pool, and collision or clamping with the inner wall of the pump pool in the installation process is avoided. The clearance is small, and the rigid support piece can be directly supported on the inner wall of the pump pool when in use. When the rigid support or the elastic support is used for supporting the immersed pump, the axes of the immersed pump liquid outlet end and the pump pool liquid outlet pipe are slightly deviated in the installation process. The existing connecting flange is disc-shaped, and the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool are required to be collinear to connect the two. In the invention, the connecting piece is divided into multiple pieces, so that the connecting piece can still be connected to the connecting flange of the liquid outlet pipe of the pump tank under the condition that the axes of the liquid outlet end and the liquid outlet pipe of the pump tank are not collinear, thereby ensuring the communication between the liquid outlet end and the liquid outlet pipe of the pump tank.
Further, the pump pool comprises a pump pool body and a pump pool cover, wherein the front end of the pump pool body is provided with a pump pool flange, and the pump pool cover is fixedly arranged on the pump pool flange; the pump pool liquid outlet pipe penetrates through the pump pool cover, and penetrates into the pump pool body to be connected with the immersed pump in the pump pool body, a partition ring is arranged on the inner side of the pump pool cover, extends along the axial direction of the pump pool liquid outlet pipe and is inserted into the pump pool body; the outer side wall of the partition ring is contacted with the inner side wall of the pump tank body through a pump tank sealing piece;
the butt joint department of immersed pump liquid outlet end and pump sump drain pipe is provided with the partition panel, and partition panel center cover is established on pump sump drain pipe flange, and partition panel limit portion is with the contact of partition intra-annular inner wall.
Due to the structure, the end cover frosting caused by the fact that the cryogenic liquid in the pump pool flows to the pump pool cover can be avoided.
Further, the pump tank sealing piece comprises a first sealing ring arranged on the inner side wall of the pump tank body and a second sealing ring arranged on the outer side wall of the partition ring, the first sealing ring and the second sealing ring extend along the axial direction of the pump tank body, and a plurality of intermeshing convex teeth are arranged on the first sealing ring and the second sealing ring along the length direction of the pump tank body. Thereby ensuring the sealing effect.
Further, a return air port is arranged at the top of the pump pool and close to the liquid outlet end of the pump pool, and the return air port is communicated with the inside of the pump pool; the bottom of the pump pool is provided with a base, the base is positioned at the liquid inlet end and the liquid outlet end of the pump pool, and the base at the liquid outlet end is higher than the base at the liquid inlet end.
The existing horizontal pump pool is horizontally placed, the space on the liquid level in the pump pool is rectangular, gas is fully distributed in the length direction of the whole pump pool, the gas is not easy to collect from a gas return port, after the front end is highly lifted, the space above the liquid level is mainly concentrated at the liquid outlet end of the pump pool, the space is triangular, the gas is concentrated in the triangular area, and the gas in the pump pool is easier to collect through the gas return port due to the fact that the gas return port is close to the liquid outlet end.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, the liquid outlet end of the immersed pump and the liquid outlet pipe of the pump pool can be bent through the connecting piece, so that the breakage of the connecting part can be avoided, and meanwhile, the connecting piece can also limit the immersed pump to move in the axial direction of the pump pool, so that the safety and reliability in the working process of the immersed pump are ensured. The connecting mode is simple in structure, and the connecting piece is convenient to manufacture. The safety of the horizontal immersed pump device in operation is ensured, and the horizontal immersed pump device is convenient to popularize and use.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an enlarged view of a pump sump seal;
fig. 3 is a structural view of the upper and lower cards.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The horizontal immersed pump device comprises an immersed pump 9 and a pump pool 10 which are horizontally arranged, wherein one end of the pump pool 10 is provided with a pump pool liquid inlet pipe 11, and the other end of the pump pool 10 is provided with a pump pool liquid outlet pipe 1; the immersed pump 9 is arranged in the pump tank 10, and the liquid outlet end of the immersed pump is connected with the liquid outlet pipe 1 of the pump tank through a connecting piece 7; the connecting piece 7 is used for communicating the immersed pump liquid outlet end with the pump pool liquid outlet pipe 1, an included angle exists between the axis of the immersed pump liquid outlet end and the axis of the pump pool liquid outlet pipe 1, and meanwhile the immersed pump liquid outlet end can be limited to move along the axis direction of the pump pool 10.
The immersed pump liquid outlet end is provided with an immersed pump connecting flange 5; the inlet end of the pump pool liquid outlet pipe 1 is provided with a pump pool liquid outlet pipe connecting flange 2; the connecting piece 7 comprises a plurality of clamping plates clamped on the liquid outlet end of the immersed pump, and the clamping plates are arranged at equal intervals around the liquid outlet end of the immersed pump; the clamping plates are connected with the pump pool liquid outlet pipe connecting flange 2 through bolts, the immersed pump connecting flange 5 is clamped between the clamping plates and the pump pool liquid outlet pipe connecting flange 2, one end face of the immersed pump connecting flange 5 is in contact with the plate face of each clamping plate, and the other end face of the immersed pump connecting flange is in butt joint with the pump pool liquid outlet pipe connecting flange 2. Because each clamping plate has a gap, the liquid outlet end of the immersed pump can swing slightly, and the swing amplitude is small, so that the breakage caused by rigid connection is avoided. Simultaneously, the end surfaces of the two flanges are contacted, so that the liquid outlet end of the immersed pump can move forwards and backwards.
The connecting piece 7 comprises an upper clamping plate 7-2 and a lower clamping plate 7-1 which are clamped at the upper half circumference and the lower half circumference of the liquid outlet end of the immersed pump; the upper clamping plate 7-2 and the lower clamping plate 7-1 are connected with the pump pool liquid outlet pipe connecting flange 2 through bolts, the immersed pump connecting flange 5 is clamped between the two clamping plates and the pump pool liquid outlet pipe connecting flange 2, one end face of the immersed pump connecting flange 5 is in contact with the plate faces of the upper clamping plate 7-2 and the clamping plates, and the other end face is in butt joint with the pump pool liquid outlet pipe connecting flange 2.
As shown in fig. 3, the upper clamping plate 7-2 and the lower clamping plate 7-1 are in a semicircular shape.
Furthermore, the axis of the liquid outlet end of the immersed pump can deviate relative to the axis of the liquid outlet pipe of the pump pool by the upper clamping plate and the lower clamping plate, so that an included angle exists between the axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool.
An elastic sealing piece is arranged at the joint of the immersed pump liquid outlet end and the pump tank liquid outlet pipe 1. For example, an elastic seal is provided at the interface between the immersed pump connection flange 5 and the pump sump outlet pipe connection flange 2.
Because the elastic sealing piece can deform, when the liquid outlet end of the immersed pump can extrude the elastic sealing piece, the gap between the clamping plate and the end face of the liquid outlet pipe connecting flange 2 of the pump pool can be increased, the front end of the immersed pump 9 is not completely clamped by the clamping plate and the liquid outlet pipe connecting flange 2 of the pump pool, and the front end of the immersed pump 9 can slightly swing or deflect. In the existing connection mode, as the end faces of the two flanges are connected too tightly and have no gap, the axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe of the pump pool can only be on the same straight line.
The front end and/or the rear end of the pump body of the immersed pump 9 are/is provided with a plurality of supporting pieces 8, the supporting pieces are arranged at equal intervals around the pump body, and the supporting pieces are used for contacting with the inner wall of the pump pool 10; the support is an elastic support or a rigid support.
The support member is a rigid support member, and when the central axis of the pump body is coincident with the central axis of the pump tank 10, a gap exists between the rigid support member and the inner wall of the pump tank 10.
The pump pool 10 comprises a pump pool 10 body and a pump pool cover 15, a pump pool 10 flange is arranged at the liquid outlet end of the pump pool 10 body, and the pump pool cover 15 is fixedly arranged on the pump pool 10 flange; the pump tank liquid outlet pipe 1 penetrates through the pump tank cover 15, stretches into the pump tank 10 and is connected with the immersed pump 9 in the pump tank 10, a partition ring 4 is arranged on the inner side of the pump tank cover 15, and the partition ring 4 extends along the axis direction of the pump tank 10 and is inserted into the pump tank 10; the outer side wall of the partition ring 4 is contacted with the inner side wall of the pump tank 10 through a pump tank sealing piece 14;
the butt joint department of immersed pump liquid outlet end and pump sump drain pipe 1 is provided with partition panel 3, and partition panel 3 center cover is established on pump sump drain pipe flange 2, and partition panel 3 limit portion and partition ring 4 inside wall contact.
The pump pool sealing piece 14 comprises a first sealing ring arranged on the inner side wall of the pump pool 10 and a second sealing ring arranged on the outer side wall of the partition ring 4, wherein the first sealing ring and the second sealing ring extend along the axial direction of the pump pool 10 and are provided with a plurality of intermeshing convex teeth along the length direction of the pump pool 10.
The top of the pump pool 10 is provided with a return air port 13 near the liquid outlet end of the pump pool 10, and the return air port 13 is communicated with the inside of the pump pool 10; the bottom of the pump pool 10 is provided with a base 6, and the base 6 is positioned at the liquid inlet end and the liquid outlet end of the pump pool 10, wherein the base at the liquid outlet end is higher than the base at the liquid inlet end.
In specific use, the front end base 6 is higher than the rear end base 6, and the central axis of the pump pool 10 is offset upwards by 3 degrees; the distance from the central axis of the return air port 13 to the pump sump cover 15 may be set to 265mm.
Meanwhile, the inventive pump cell 10 includes an inner layer and an outer layer with a vacuum gap left between the outer and inner layers. The pump pool 10 is also provided with a vacuum head 12, and the vacuum head 12 is communicated with a vacuum gap between the inner layer and the outer layer of the pump pool 10.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A horizontal immersed pump device, characterized in that: the device comprises a horizontal immersed pump (9) and a pump pool (10), wherein one end of the pump pool (10) is provided with a pump pool liquid inlet pipe (11), and the other end of the pump pool is provided with a pump pool liquid outlet pipe (1); the immersed pump (9) is arranged in the pump pool (10), and the liquid outlet end of the immersed pump is connected with the liquid outlet pipe (1) of the pump pool through a connecting piece (7); the liquid outlet end of the immersed pump is communicated with the liquid outlet pipe (1) of the pump pool by the connecting piece (7), an included angle exists between the axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe (1) of the pump pool, and the liquid outlet end of the immersed pump can be limited to move along the axis direction of the pump pool (10); the immersed pump liquid outlet end is provided with an immersed pump connecting flange (5); the inlet end of the pump pool liquid outlet pipe (1) is provided with a pump pool liquid outlet pipe connecting flange (2); the connecting piece (7) comprises a plurality of clamping plates clamped on the liquid outlet end of the immersed pump, and the clamping plates are arranged at equal intervals around the liquid outlet end of the immersed pump; the clamping plates are connected with the pump pool liquid outlet pipe connecting flanges (2) through bolts, the immersed pump connecting flanges (5) are clamped between the clamping plates and the pump pool liquid outlet pipe connecting flanges (2), one end face of each immersed pump connecting flange (5) is in contact with the plate face of each clamping plate, and the other end face is in butt joint with the pump pool liquid outlet pipe connecting flanges (2); the connecting piece (7) comprises an upper clamping plate (7-2) and a lower clamping plate (7-1) which are clamped at the upper half circumference and the lower half circumference of the liquid outlet end of the immersed pump; the upper clamping plate (7-2) and the lower clamping plate (7-1) are connected with the pump pool liquid outlet pipe connecting flange (2) through bolts, the immersed pump connecting flange (5) is clamped between the two clamping plates and the pump pool liquid outlet pipe connecting flange (2), one end face of the immersed pump connecting flange (5) is in contact with the plate faces of the upper clamping plate (7-2) and the lower clamping plate (7-1), and the other end face is in butt joint with the pump pool liquid outlet pipe connecting flange (2); an elastic sealing piece is arranged at the joint of the immersed pump liquid outlet end and the pump tank liquid outlet pipe (1); the pump pool (10) comprises a pump pool body and a pump pool cover (15), a pump pool flange is arranged at the liquid outlet end of the pump pool body, and the pump pool cover (15) is fixedly arranged on the pump pool flange; the pump pool liquid outlet pipe (1) penetrates through the pump pool cover (15) and stretches into the pump pool body to be connected with the immersed pump (9) in the pump pool body, a partition ring (4) is arranged on the inner side of the pump pool cover (15), and the partition ring (4) extends along the axial direction of the pump pool body and is inserted into the pump pool body; the outer side wall of the partition ring (4) is contacted with the inner side wall of the pump tank body through a pump tank sealing piece (14); a partition plate (3) is arranged at the joint of the immersed pump liquid outlet end and the pump tank liquid outlet pipe (1), the center of the partition plate (3) is sleeved on the pump tank liquid outlet pipe connecting flange (2), and the edge part of the partition plate (3) is contacted with the inner side wall of the partition ring (4); the pump pool sealing piece (14) comprises a first sealing ring arranged on the inner side wall of the pump pool body and a second sealing ring arranged on the outer side wall of the partition ring (4), the first sealing ring and the second sealing ring extend along the axial direction of the pump pool body, and a plurality of intermeshing convex teeth are arranged on the first sealing ring and the second sealing ring along the length direction of the pump pool body.
2. The horizontal submersible pump device of claim 1, wherein: the axis of the liquid outlet end of the immersed pump can deviate relative to the axis of the liquid outlet pipe of the pump pool by the upper clamping plate (7-2) and the lower clamping plate (7-1), so that an included angle exists between the axis of the liquid outlet end of the immersed pump and the axis of the liquid outlet pipe (1) of the pump pool.
3. The horizontal submersible pump device of claim 1, wherein: the front end and/or the rear end of the pump body of the immersed pump (9) are/is provided with a plurality of supporting pieces (8), the supporting pieces are arranged at equal intervals around the pump body, and the supporting pieces are used for being in contact with the inner wall of the pump pool (10); the support is an elastic support or a rigid support.
4. A horizontal submersible pump assembly according to claim 3, wherein: the support piece is a rigid support piece, and when the central axis of the pump body is coincident with the central axis of the pump pool (10), a gap exists between the rigid support piece and the inner wall of the pump pool (10).
5. The horizontal submersible pump device of claim 1, wherein: the top of the pump pool (10) is provided with a return air port (13) close to the liquid outlet end of the pump pool (10), and the return air port (13) is communicated with the inside of the pump pool (10); the bottom of the pump pool (10) is provided with a base (6), and the base (6) is positioned at the liquid inlet end and the liquid outlet end of the pump pool (10), wherein the base at the liquid outlet end is higher than the base at the liquid inlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352969.8A CN110056540B (en) | 2019-04-29 | 2019-04-29 | Horizontal immersed pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352969.8A CN110056540B (en) | 2019-04-29 | 2019-04-29 | Horizontal immersed pump device |
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| Publication Number | Publication Date |
|---|---|
| CN110056540A CN110056540A (en) | 2019-07-26 |
| CN110056540B true CN110056540B (en) | 2024-01-26 |
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|---|---|---|---|
| CN201910352969.8A Active CN110056540B (en) | 2019-04-29 | 2019-04-29 | Horizontal immersed pump device |
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