CN217582516U - Sewage pump with two sets of mechanical seals - Google Patents
Sewage pump with two sets of mechanical seals Download PDFInfo
- Publication number
- CN217582516U CN217582516U CN202221321759.6U CN202221321759U CN217582516U CN 217582516 U CN217582516 U CN 217582516U CN 202221321759 U CN202221321759 U CN 202221321759U CN 217582516 U CN217582516 U CN 217582516U
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- Prior art keywords
- mechanical seal
- motor
- seal
- sewage pump
- seat
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- 239000010865 sewage Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a sewage pump with two sets of mechanical seal belongs to sewage pump technical field. The method comprises the following steps: the first set of mechanical seal is installed on the first machine seal seat and clings to the motor shaft, the machine seal seat is connected with the lower end cover of the motor, the second set of mechanical seal is installed on the second machine seal seat and clings to the motor shaft and is located below the first set of mechanical seal, the second machine seal seat is connected with a water outlet joint of the water pump, and two pressure relief holes are formed in the outer side of the water outlet joint. Through installing first set of mechanical seal on first quick-witted seal seat and hug closely the motor shaft, first quick-witted seal seat is connected with the lower end cover of motor, second set of mechanical seal installs on second machine seal seat and hugs closely the motor shaft and lies in first set of mechanical seal below, second machine seal seat is connected with the play water festival of water pump, the complete isolation of water pump with the motor has been realized, after second set of mechanical seal wearing and tearing, the medium of pump sending can not cause the damage of motor, the service life of motor is prolonged, the maintenance cost of sewage pump has been reduced.
Description
Technical Field
The utility model relates to a sewage pump technical field especially relates to a sewage pump with two sets of mechanical seal.
Background
The severe working environment of the sewage pump is known, and the condition that the motor of the sewage pump is damaged is frequently caused because the rotating speed of the sewage pump is high due to silt serving as a pumping medium, and the sealing performance is reduced after the mechanical seal is worn. The reasons such as the reduction of the service life of the sewage pump are mostly caused by the damage of a mechanical seal, so that the transformation of a sealing system at the joint of the bottom of a motor of the sewage pump and the water pump is a main transformation factor for prolonging the service life of the sewage pump.
The traditional sewage pump is arranged between a motor and a water pump by a set of mechanical seal or two sets of mechanical seal pairs, and plays a role in isolating pumping media of the motor and the water pump.
However, in this type of sewage pump, the water pump and the motor are not isolated, and when the mechanical seal of the water pump is worn, the pumping medium of the water pump may damage the motor, thereby shortening the service life of the motor and increasing the maintenance cost of the sewage pump.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a sewage pump with two sets of mechanical seal.
The technical scheme of the utility model as follows:
the utility model provides a sewage pump with two sets of mechanical seal, its includes sewage pump body, first set of mechanical seal and second set of mechanical seal, first set of mechanical seal installs on first quick-witted seal seat and hugs closely the motor shaft, and first quick-witted seal seat is connected with the lower end cover of motor, and second set of mechanical seal installs on second machine seal seat and hugs closely the motor shaft and lies in first set of mechanical seal below, and second machine seal seat is connected with the play water festival of water pump, and the play water festival outside is equipped with two pressure release holes.
Optionally, the second machine seal seat and the water outlet joint are integrally formed.
Optionally, the first machine seal seat is connected with the lower end cover through a bolt.
All above-mentioned optional technical scheme all can make up wantonly, the utility model discloses do not carry out the detailed description to the structure after the one-by-one combination.
Borrow by above-mentioned scheme, the utility model discloses a install first set of mechanical seal on first machine seals seat and hug closely the motor shaft, first machine seals the seat and is connected with the lower end cover of motor, second set of mechanical seal installs on second machine seals the seat and hugs closely the motor shaft and lies in first set of mechanical seal below, second machine seals the seat and is connected with the water festival of water pump, and establish two pressure release holes in the water festival outside, the complete isolation of water pump and motor has been realized, at this moment, after second set of mechanical seal wearing and tearing, the medium of pumping can not cause the damage of motor, the service life of motor has been prolonged, the maintenance cost of sewage pump has been reduced.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the utility model provides a sewage pump with two sets of mechanical seal, it includes sewage pump body 9, first set of mechanical seal 1 and second set of mechanical seal 4, first set of mechanical seal 1 is installed on first machine seal seat 2 and is hugged closely motor shaft 3, and first machine seal seat 2 is connected with the lower end cover 8 of motor, and second set of mechanical seal 4 is installed on second machine seal seat 5 and is hugged closely motor shaft 3 and be located first set of mechanical seal 1 below, and second machine seal seat 5 is connected with the play water festival 6 of water pump, goes out the water festival 6 outsides and is equipped with two pressure release holes 7.
Wherein, sewage pump body 9's structure the utility model discloses do not change, only adjusted mechanical seal structure wherein.
The utility model discloses a first set of mechanical seal 1 and second set of mechanical seal 4 separate sewage pump body 9's motor and water pump, and first set of mechanical seal 1 is used for sealed motor, and the dress is inside motor lower end cover 8, solves self lubrication problem by the coolant oil in the motor, thoroughly keeps apart with the water pump. Install second set mechanical seal 4 in the play water festival 6 upper ends of water pump according to extension of motor shaft 3, the pumping medium liquid that the water pump normally worked in-process flows in through pressure release hole 7 lubricates, when second set mechanical seal 4 received the damage in the operation process, the medium that the water pump was pumped gets into the sealed chamber in the play water festival 6, outwards discharge through pressure release hole 7, at this moment, the water yield of water pump can diminish, the current of motor obviously increases, the overload protection ware of control water pump operation detects this current change and can jump off automatically among the sewage pump body 9, the water pump stop work, take out the water pump and change second set mechanical seal 4 back, the water pump continues normal work, realized changing with the minimum part and the life that the early warning has prolonged the water pump. The utility model discloses a water yield and motor overload protection ware's change has protected the motor automatically, has prolonged sewage pump body 9's life, has simple structure, advantages such as simple to operate.
Optionally, the second sealing seat 5 and the water outlet section 6 are integrally formed, so that the connection between the second sealing seat and the water outlet section is firm and the processing is convenient.
Optionally, the first sealing seat 2 is connected with the lower end cover 8 through a bolt, so that the connection mode is simple, the first sealing seat 2 can be connected with the lower end cover 8 tightly, and the mounting and dismounting are convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a sewage pump with two sets of mechanical seal, its characterized in that, includes sewage pump body (9), first set of mechanical seal (1) and second set of mechanical seal (4), first set of mechanical seal (1) is installed on first machine seal seat (2) and is hugged closely motor shaft (3), and first machine seal seat (2) are connected with lower end cover (8) of motor, and second set of mechanical seal (4) are installed on second machine seal seat (5) and are hugged closely motor shaft (3) and lie in first set of mechanical seal (1) below, and second machine seal seat (5) are connected with water outlet section (6) of water pump, and water outlet section (6) outside is equipped with two pressure release holes (7).
2. Sewage pump with two sets of mechanical seals according to claim 1, characterised in that the second mechanical seal seat (5) is integrated with the water outlet joint (6).
3. Sewage pump with two sets of mechanical seals according to claim 1 or 2, characterised in that the first machine seal seat (2) is bolted to the lower end cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321759.6U CN217582516U (en) | 2022-05-30 | 2022-05-30 | Sewage pump with two sets of mechanical seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321759.6U CN217582516U (en) | 2022-05-30 | 2022-05-30 | Sewage pump with two sets of mechanical seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582516U true CN217582516U (en) | 2022-10-14 |
Family
ID=83527475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221321759.6U Active CN217582516U (en) | 2022-05-30 | 2022-05-30 | Sewage pump with two sets of mechanical seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582516U (en) |
-
2022
- 2022-05-30 CN CN202221321759.6U patent/CN217582516U/en active Active
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