CN220908660U - Integrated sewage lifting pump station - Google Patents
Integrated sewage lifting pump station Download PDFInfo
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- CN220908660U CN220908660U CN202322637009.0U CN202322637009U CN220908660U CN 220908660 U CN220908660 U CN 220908660U CN 202322637009 U CN202322637009 U CN 202322637009U CN 220908660 U CN220908660 U CN 220908660U
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- lifting pump
- variable frequency
- liquid level
- pump
- motor
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage lifting pump station which comprises a water collecting tank, a lifting pump, a liquid level meter, an upper computer, a valve controller, a water inlet valve and a variable frequency control device, wherein the lifting pump is used for pumping sewage in the water collecting tank; the lifting pump comprises a first lifting pump, a second lifting pump and a third lifting pump which are fixed at the bottom of the water collecting tank, one end of the variable frequency control device is respectively and electrically connected with the first lifting pump, the second lifting pump and the third lifting pump, and the other end of the variable frequency control device is electrically connected with the upper computer; the technical problem that the existing sewage pump station is not provided with a corresponding self-adjusting mechanism and cannot realize rapid maintenance and management can be solved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage lifting pump station.
Background
The sewage pumping station is an engineering facility for pumping up and conveying sewage in town drainage engineering. When sewage in the sewage pipeline cannot be conveyed or discharged by gravity automatically, or construction is difficult due to deep burying of a common pipeline, or the sewage can enter a sewage treatment plant after the terminal of a main pipe is required to be lifted, a sewage pump station is required to be arranged. The sewage pump station comprises a water collecting tank which is used for transferring sewage and is arranged in a factory area of the sewage treatment plant, and the sewage in the water collecting tank is pumped into the factory area through a lift pump for centralized treatment.
The sewage pump station is an important component of a sewage treatment system and is characterized by continuous water flow, smaller water flow, large variation range and high pollutant content in water. Therefore, the water collecting tank is required to have enough storage capacity in design, and a monitoring system is arranged to monitor the conditions in the pump station, such as the liquid level rising and falling conditions in real time.
However, the existing pump station has a monitoring function, but a corresponding self-adjusting mechanism is not arranged, so that the large-scale change of the liquid level in extreme environment weather such as heavy rain cannot be timely dealt with, even if the liquid level data are accurately monitored, the running state of each power device can be manually controlled, and staff cannot be timely in place, so that the advantage of advocating the use of an unattended pump station to realize quick maintenance and management cannot be embodied.
Disclosure of utility model
The utility model provides an integrated sewage lifting pump station, which can solve the technical problem that the existing pump station is not provided with a corresponding self-adjusting mechanism and cannot realize quick maintenance and management.
The application provides the following technical scheme:
the utility model provides an integration sewage promotes pump station, includes the catch basin and is used for pumping the elevator pump of the interior sewage of catch basin, its characterized in that: the device also comprises a liquid level meter, an upper computer, a valve controller, a water inlet valve and a variable frequency control device, wherein the liquid level meter and the upper computer are electrically connected through a cable, the valve controller and the water inlet valve are used for controlling water inlet amount, and the variable frequency control device is used for controlling the pumping rate of the lifting pump;
The lifting pump comprises a first lifting pump, a second lifting pump and a third lifting pump which are fixed at the bottom of the water collecting tank, one end of the variable frequency control device is respectively electrically connected with the first lifting pump, the second lifting pump and the third lifting pump, and the other end of the variable frequency control device is electrically connected with the upper computer.
The beneficial effects are that: the variable frequency control device and the valve controller are used for respectively adjusting the water pumping quantity of the first lift pump, the second lift pump and the third lift pump and the water inlet quantity of the water inlet valve, and particularly, when the liquid level of the water collecting tank reaches a preset certain liquid level, the first lift pump or the second lift pump or the third lift pump is automatically started to pump water, and when the liquid level reaches the highest liquid level, the water inlet valve is automatically closed, which is worth explaining.
Further, the variable frequency control device selects a variable frequency motor group, and the variable frequency motor group comprises a first variable frequency motor, a second variable frequency motor and a third variable frequency motor which are respectively connected with the first lifting pump, the second lifting pump and the third lifting pump.
The beneficial effects are that: the first variable frequency motor, the second variable frequency motor and the third variable frequency motor which are connected to the upper computer respectively control the frequencies of the first lifting pump, the second lifting pump and the third lifting pump, are favorable for scientifically adjusting the water pumping quantity of the lifting pump, and avoid that the power equipment of the lifting pump, namely the motor, runs in a full-load state for a long time, so that the service life of the equipment is easy to reduce.
Further, the frequency conversion control device selects a common motor unit and a frequency converter, and the common motor unit comprises a first motor, a second motor and a third motor which are respectively connected with the first lift pump, the second lift pump and the third lift pump.
The beneficial effects are that: the first motor, the second motor and the third motor for driving the lifting pump are subjected to variable frequency adjustment through the total frequency converter, and compared with the scheme adopting the variable frequency motor set, the maintenance time and the assembly cost of equipment can be reduced.
Further, the liquid level gauge is a throw-in liquid level gauge, and the throw-in liquid level gauge comprises a probe immersed in sewage.
The beneficial effects are that: the input type liquid level meter takes a high-performance pressure sensor as a measuring element, accurately measures hydrostatic pressure proportional to liquid level depth, converts the hydrostatic pressure into standard (current or voltage) signals to be output through a signal conditioning circuit, establishes a linear corresponding relation between an output signal and the liquid depth, realizes the measurement of the liquid depth, has the characteristics of high precision and small volume, and is particularly suitable for the engineering of liquid level measurement and control of urban water supply.
Further, the system also comprises an audible and visual alarm electrically connected with the upper computer.
The beneficial effects are that: an audible and visual alarm electrically connected with the upper computer is arranged, when the liquid level in the water collecting tank exceeds the limit liquid level and a plurality of lifting pumps need to carry out work at full load, operators on duty in the sewage treatment plant are timely notified, and the operators pay attention to the situation in the pump station.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of an integrated sewage lifting pump station of the present utility model;
FIG. 2 is a schematic block diagram of a second embodiment of an integrated sewage lifting pump station of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
The labels in the drawings of this specification include: the water collecting tank 1, the liquid level meter 2, the upper computer 3, the valve controller 4, the water inlet valve 5, the audible and visual alarm 6, the first lifting pump 71, the second lifting pump 72, the third lifting pump 73, the first variable frequency motor 81, the second variable frequency motor 82, the third variable frequency motor 83, the first motor 91, the second motor 92, the third motor 93 and the frequency converter 10.
Example 1
As shown in fig. 1, the integrated sewage lifting pump station comprises a water collecting tank 1, a lifting pump for pumping sewage in the water collecting tank 1, a liquid level meter 2 and an upper computer 3 which are electrically connected through cables, a valve controller 4 and a water inlet valve 5 for controlling water inflow, and a variable frequency control device for controlling the pumping speed of the lifting pump, wherein an audible and visual alarm 6 is arranged at the same time and is electrically connected with the upper computer 3.
The lift pump includes first lift pump 71, second lift pump 72, third lift pump 73 of fixing at the bottom of catch basin 1, and frequency conversion controlling means's one end is connected with first lift pump 71, second lift pump 72, third lift pump 73 electricity respectively, and the other end is connected with host computer 3 electricity.
In this embodiment, the variable frequency control device selects a variable frequency motor set, and the variable frequency motor set is connected with output shafts of the first variable frequency motor 81, the second variable frequency motor 82 and the third variable frequency motor 83 through a coupling respectively with rotation shafts of the first lift pump 71, the second lift pump 72 and the third lift pump 73.
The liquid level meter 2 is selected as a throw-in type PG1300S liquid level meter 2, the throw-in type liquid level meter 2 comprises a probe immersed in sewage, the probe is constructed as a stainless steel cylinder core, the bottom of the probe is provided with a diaphragm and is covered by a shell with holes, the liquid level measurement is actually the difference between the hydrostatic pressure on the probe and the actual atmospheric pressure, and then the difference is converted into an output signal of 4-20 mA by a silicon sensor (attached to a stainless steel film and an electronic element) inside the probe.
In the specific application process, the upper computer 3 is sequentially provided with a, b, c, d, e liquid levels from low to high, and the output signal generated by the liquid level meter 2 is utilized to the upper computer 3 to judge the rising condition of the liquid level in the water collecting tank 1.
When the liquid level of the water collecting tank 1 rises to the liquid level b, the upper computer 3 controls the first variable frequency motor 81 to automatically start the first lifting pump 71, and adjusts the frequency of the lifting pump according to the rising of the liquid level; when the liquid level c is reached, the upper computer 3 controls the second variable frequency motor 82 to automatically start the second lifting pump 72, and when the liquid level continues to rise to the liquid level d, the upper computer 3 controls the third variable frequency motor 83 to automatically start the third lifting pump 73, and the opening degree is automatically adjusted according to the liquid level; when the e liquid level is reached, namely the limit liquid level, the upper computer 3 controls the valve controller 4 to further control the water inlet valve 5 to be closed completely, and simultaneously the audible and visual alarm 6 gives an alarm.
Similarly, when the liquid level of the water collecting tank 1 is reduced to d liquid level, the upper computer 3 controls the valve regulator to open the water inlet valve 5; the upper computer 3 gradually reduces the frequency of the third lift pump 73 when the liquid level drops to c liquid level; when the water level in the water collection tank 1 is reduced to b level, the third lift pump 73 is shut down and the frequency of the second lift pump 72 is gradually reduced, and when the water level in the water collection tank 1 is reduced to a level, the frequency of the second lift pump 72 is shut down and the frequency of the first lift pump 71 is gradually reduced until all the lift pumps are shut down.
Example two
Compared with the first embodiment, the difference of this embodiment is that, as shown in fig. 2, the frequency conversion control device selects a common motor unit and the frequency converter 10, where the common motor unit includes a first motor 91, a second motor 92, and a third motor 93 respectively connected to the first lift pump 71, the second lift pump 72, and the third lift pump 73.
Compared with the first embodiment, since one high-power rated frequency converter 10 is cheaper than the low-power frequency converters 10 on a plurality of variable frequency motors, the installation cost of the equipment can be saved, and the maintenance time and the complexity of the control system can be reduced.
The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. The utility model provides an integration sewage promotes pump station, includes the catch basin and is used for pumping the elevator pump of the interior sewage of catch basin, its characterized in that: the device also comprises a liquid level meter, an upper computer, a valve controller, a water inlet valve and a variable frequency control device, wherein the liquid level meter and the upper computer are electrically connected through a cable, the valve controller and the water inlet valve are used for controlling water inlet amount, and the variable frequency control device is used for controlling the pumping rate of the lifting pump;
The lifting pump comprises a first lifting pump, a second lifting pump and a third lifting pump which are fixed at the bottom of the water collecting tank, one end of the variable frequency control device is respectively electrically connected with the first lifting pump, the second lifting pump and the third lifting pump, and the other end of the variable frequency control device is electrically connected with the upper computer.
2. An integrated sewage lifting pump station according to claim 1, wherein: the variable frequency control device selects a variable frequency motor group, and the variable frequency motor group comprises a first variable frequency motor, a second variable frequency motor and a third variable frequency motor which are respectively connected with the first lifting pump, the second lifting pump and the third lifting pump.
3. An integrated sewage lifting pump station according to claim 1, wherein: the frequency conversion control device selects a general motor unit and a frequency converter, and the general motor unit comprises a first motor, a second motor and a third motor which are respectively connected with the first lifting pump, the second lifting pump and the third lifting pump.
4. An integrated sewage lifting pump station according to claim 2 or 3, wherein: the liquid level meter is a throw-in type liquid level meter, and the throw-in type liquid level meter comprises a probe immersed in sewage.
5. An integrated sewage lifting pump station according to claim 4, wherein: the system also comprises an audible and visual alarm electrically connected with the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637009.0U CN220908660U (en) | 2023-09-27 | 2023-09-27 | Integrated sewage lifting pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637009.0U CN220908660U (en) | 2023-09-27 | 2023-09-27 | Integrated sewage lifting pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220908660U true CN220908660U (en) | 2024-05-07 |
Family
ID=90902747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637009.0U Active CN220908660U (en) | 2023-09-27 | 2023-09-27 | Integrated sewage lifting pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220908660U (en) |
-
2023
- 2023-09-27 CN CN202322637009.0U patent/CN220908660U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240530 Address after: 401121 No. 651 Jintong Avenue, Baixi Village, Kangmei Street, Liangjiang New District, Yubei District, Chongqing Patentee after: CHONGQING THREE GORGES WATER CO.,LTD. Country or region after: China Address before: 400700 Jialing village 67, Beibei District, Chongqing Patentee before: Chongqing Three Gorges Water Beibei drainage Co.,Ltd. Country or region before: China |