CN220081777U - Cooling device of centrifugal pump - Google Patents
Cooling device of centrifugal pump Download PDFInfo
- Publication number
- CN220081777U CN220081777U CN202321478188.1U CN202321478188U CN220081777U CN 220081777 U CN220081777 U CN 220081777U CN 202321478188 U CN202321478188 U CN 202321478188U CN 220081777 U CN220081777 U CN 220081777U
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- cooling
- pump
- processor
- temperature sensor
- pumps
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- 238000001816 cooling Methods 0.000 title claims abstract description 117
- 239000000498 cooling water Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of cooling equipment, and discloses a cooling device of a centrifugal pump, which is used for cooling a plurality of pump machines and comprises the following components: a cooling pump, a heat exchanger, a distributor, and a header pipe; the collecting pipe, the heat exchanger, the cooling pump and the distributor are communicated through pipelines in sequence; the distributor is provided with a plurality of water outlets, and the water outlets are respectively communicated with the cooling water inlets of the pumps in a one-to-one correspondence manner; the cooling water outlets of the plurality of pumps are communicated with the collecting pipe; each water outlet is provided with a control valve, and each pump is provided with a first temperature sensor; a second temperature sensor is arranged on the pipeline; a heat radiation fan is arranged on the heat exchanger; the control valve, the first temperature sensor, the second temperature sensor, the heat radiation fan and the cooling pump are all electrically connected with the processor. The number of the cooling pumps can be reduced, and the cooling pumps are convenient to manage.
Description
Technical Field
The utility model relates to the technical field of cooling equipment, in particular to a cooling device of a centrifugal pump.
Background
At present, the bearing of the centrifugal pump is the basis for ensuring the safe and continuous operation of the centrifugal pump, and the common centrifugal pump is provided with a cooling cavity for accommodating and cooling the bearing, so that the service life of the bearing is ensured. Lubricating oil is generally filled in the cooling cavity to lubricate and cool the bearing, and a common centrifugal pump is used for carrying out heat exchange on the lubricating oil in the cooling cavity in a water cooling mode.
In the prior art, the patent number of the mechanical seal cooling device is CN 216142970U, namely the mechanical seal cooling device for the centrifugal pump, and as shown in figure 1, the device pumps cooling water into the pump machine through a variable pump to cool components in the pump machine. However, this variable displacement pump can cool only one pump, and if there are a large number of pumps, a large number of variable displacement pumps are required to supply cooling water, and a large number of pipes are required to be connected, which increases construction costs.
In the production process of chemical industry and hydrometallurgy industry, centrifugal pumps are common liquid circulation conveying equipment, the number of the centrifugal pumps is large, the types of the centrifugal pumps are different, and the requirements on the cooling water quantity are different. If the cooling pumps with different flow rates are adopted, the model of the cooling pump is complex, and the maintenance and the management are not facilitated.
Disclosure of Invention
The purpose of the utility model is that: provided is a cooling device for a centrifugal pump, which can reduce the number of cooling pumps to be used and can be easily managed.
In order to achieve the above object, the present utility model provides a cooling device of a centrifugal pump for cooling a plurality of pumps, comprising: a cooling pump, a heat exchanger, a distributor, and a header pipe;
the collecting pipe, the heat exchanger, the cooling pump and the distributor are communicated through pipelines in sequence; the distributor is provided with a plurality of water outlets, and the water outlets are respectively communicated with the cooling water inlets of the pumps in a one-to-one correspondence manner; the cooling water outlets of the plurality of pumps are communicated with the collecting pipe;
each water outlet is provided with a control valve, and each pump is provided with a first temperature sensor; a second temperature sensor is arranged on the pipeline; a heat radiation fan is arranged on the heat exchanger; the control valve, the first temperature sensor, the second temperature sensor, the heat radiation fan and the cooling pump are all electrically connected with the processor.
The water outlet is communicated with a cooling water inlet of the pump through a first cooling pipe, and a cooling water outlet of the pump is communicated with the collecting pipe through a second cooling pipe.
Compared with the prior art, the cooling device of the centrifugal pump has the beneficial effects that: the distributor is arranged to divide the water quantity of the cooling pump into flow quantities which enter different pump machines respectively to cool the flow quantities, and the control valves are arranged on the water outlets to control the cooling water quantity entering different pump machines conveniently, so that cooling water is provided for all the pump machines by only one cooling pump; the investment of the cost is reduced, and the maintenance work of the device is facilitated.
Transmitting a temperature signal of a part to be cooled in the pump to the processor through the first temperature sensor, outputting the signal to the control valve through calculation of the processor, and controlling the opening of the water outlet through the control valve so as to control the flow rate of cooling water entering the pump; the second temperature sensor transmits the temperature in the pipeline to the processor, and the corresponding signal is output to the heat dissipation fan through the processing of the processor, so that the start and stop of the fan are controlled, and the temperature of cooling water in the pipeline is adjusted. Realize automatic control and regulatory function, the staff of being convenient for is to the management work of pump cooling.
Further, the cooling pipe section is also included; the cooling pipe section is used for being installed in the cooling cavity of the pump, one end of the cooling pipe section is the cooling water inlet, and the other end of the cooling pipe section is the cooling water outlet. The cooling pipe section is arranged to realize heat exchange of the lubricating oil in the cooling cavity, and meanwhile, the mixing of cooling water and the lubricating oil is avoided, so that the lubricating effect of the lubricating oil is influenced.
Specifically, the cooling chamber is also connected with a mechanical sealing component of the pump, and can cool the mechanical sealing component, so that the mechanical sealing efficiency is improved.
Further, the cooling pipe section is U-shaped, and the cooling pipe section surrounds the periphery of the bearing in the cooling cavity. The heat generated in the working process of the bearing can be timely taken away around the cooling bearing, the normal working of the bearing is ensured, and the service life of the bearing is prolonged.
Furthermore, a plurality of ribs are uniformly distributed on the outer side surface of the cooling pipe section. The provision of fins increases the heat exchange capacity of the cooling tube sections.
Further, the display screen is electrically connected with the processor. The temperature condition of each pump can be visually seen by a worker through the display screen, and different pump cooling water flows can be adjusted according to actual conditions.
Further, the intelligent alarm system also comprises an alarm, and the alarm is electrically connected with the processor. When the cooling water temperature is higher than a preset value, the processor inputs an alarm signal to the alarm, and the alarm gives an alarm to remind workers of processing.
Further, the cooling pump is a variable pump. The adoption of the convenient pump can facilitate the adjustment of the flow rate of the cooling water in the pipeline. The cooling effect of each pump is guaranteed to adaptation different ambient temperatures, can reduce the working condition that the cooling pump is in certain state always simultaneously, reduces the waste of electric energy.
Further, the processor is a PLC processor; the control valve is an electromagnetic valve. The PLC processor is adopted, so that a worker can conveniently modify the set value, the electromagnetic valve is convenient for the control of the processor, and the response is sensitive and rapid.
Specifically, the fan is a multistage variable speed fan. The motor of the fan is provided with a plurality of gears which are adjustable, and the motor rotating speeds of different gears are different, so that the fan has different heat dissipation capacities. So as to adapt to different ambient temperatures.
The heat exchanger is an S-shaped plate and forms a radiating surface, the radiating fan is arranged near the heat exchanger, and the blown air of the radiating fan takes away the heat of the radiator through the surface of the radiator, so that the heat exchange function is realized. Simple structure and low cost.
In particular, the heat exchanger may also be a cooling water tower. The device has wide market distribution, mature technology and low price. The investment of construction cost can be reduced.
Specifically, the distributor is a pipe body provided with a plurality of water outlets; and the structure is simple and convenient to manufacture, and the structure of the collecting pipe is the same as that of the distributor.
Drawings
FIG. 1 is a schematic diagram of a prior art cooling device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a cooling device according to an embodiment of the present utility model;
FIG. 3 is a partial cross-sectional view of a pump according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken along the direction A in FIG. 3 in accordance with an embodiment of the present utility model;
FIG. 5 is a flow chart of a cooling apparatus according to an embodiment of the present utility model;
FIG. 6 is a control flow diagram of a cooling device according to an embodiment of the utility model;
in the figure, 1, a cooling pump; 2. a heat exchanger; 21 a heat radiation fan; 3. a dispenser; 31. a water outlet; 32. a first cooling tube; 33. a second cooling tube; 4. a pipe; 5. a pump machine; 51. a cooling water inlet; 52. a cooling water outlet; 53. a cooling chamber; 54. a bearing; 61. a control valve; 62. a first temperature sensor; 63. a second temperature sensor; 64. a processor; 65. a display screen; 66. an alarm; 7. cooling the pipe section; 71. a rib; 8. and a collecting pipe.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 1 to 5, a cooling device of a centrifugal pump according to a preferred embodiment of the present utility model is for cooling a plurality of pumps, and includes: a cooling pump 1, a heat exchanger 2 and a distributor 21 heat dissipation fan; 3. a header pipe 8;
a header pipe 8, a heat exchanger 2, a cooling pump 1 and a distributor 21 heat dissipation fan; 3 are communicated sequentially through a pipeline 4; the distributor 21 is a heat dissipation fan; 3 are provided with a plurality of water outlets 31, and the water outlets 31 are respectively used for being communicated with the cooling water inlets 51 of the pumps 5 in a one-to-one correspondence manner; the cooling water outlets 52 of the plurality of pumps 5 are communicated with the collecting pipe 8;
a control valve 61 is arranged on each water outlet 31, and a first temperature sensor 62 is arranged on each pump 5; the pipeline 4 is provided with a second temperature sensor 63; a heat radiation fan is arranged on the heat exchanger 2; the control valve 61, the first temperature sensor 62, the second temperature sensor 63, the cooling fan and the cooling pump 1 are all electrically connected with the processor 64.
Wherein the water outlet 31 is communicated with a cooling water inlet 51 of the pump 5 through a first cooling pipe 32, and a cooling water outlet 52 of the pump 5 is communicated with the collecting pipe 8 through a second cooling pipe 33.
Compared with the prior art, the cooling device of the centrifugal pump has the beneficial effects that: a radiator fan is arranged through the distributor 21; 3, the water quantity of the cooling pump 1 is divided into a plurality of flows which respectively enter different pump machines 5 to cool the same, and the control valves 61 are arranged on the water outlets 31 so as to conveniently control the cooling water quantity entering the different pump machines 5, so that the cooling water is provided for all the pump machines 5 by only one cooling pump 1; the investment of the cost is reduced, and the maintenance work of the device is facilitated.
Transmitting a temperature signal of a part to be cooled in the pump 5 to a processor 64 through a first temperature sensor 62, outputting the signal to a control valve 61 through calculation of the processor 64, and controlling the opening of the water outlet 31 by the control valve 61 so as to control the flow rate of cooling water entering the pump 5; the second temperature sensor 63 transmits the temperature in the pipeline 4 to the processor 64, and outputs a corresponding signal to the cooling fan through the processing of the processor 64, and controls the start and stop of the fan so as to adjust the temperature of cooling water in the pipeline 4. Realizing automatic control and regulation functions, and being convenient for the management work of the cooling of the pump 5 by the staff.
In one embodiment, further comprises a cooling tube section 7; the cooling pipe section 7 is for installation in a cooling chamber 53 of the pump 5, and the cooling pipe section 7 has a cooling water inlet 51 at one end and a cooling water outlet 52 at the other end. By arranging the cooling pipe section 7, heat exchange is realized on the lubricating oil in the cooling cavity 53, and meanwhile, the mixing of cooling water and the lubricating oil is avoided, so that the lubricating effect of the lubricating oil is influenced.
Specifically, the cooling chamber 53 is also connected with a mechanical sealing component of the pump 5, and the cooling chamber 53 can cool the mechanical sealing component, so that the efficiency of mechanical sealing is improved.
In one embodiment, the cooling tube segment 7 is U-shaped and the cooling tube segment 7 surrounds the bearing 54 within the cooling cavity. The heat generated in the working process of the bearing 54 can be timely taken away around the cooling bearing 54, the normal working of the bearing 54 is ensured, and the service life of the bearing 54 is prolonged.
In one embodiment, the cooling pipe section 7 is provided with a plurality of ribs 71 evenly distributed on its outer side. The provision of ribs 71 increases the heat exchange capacity of the cooling tube sections 7.
In one embodiment, the display screen 65 is further included, and the display screen 65 is electrically connected to the processor 64. By arranging the display screen 65, workers can visually see the temperature conditions of the pumps 5 conveniently, and different cooling water flows of the pumps 5 can be adjusted according to actual conditions.
In one embodiment, an alarm 66 is also included, and the alarm 66 is electrically connected to the processor 64. When the cooling water temperature is higher than a predetermined value, the processor 64 inputs an alarm signal to the alarm 66, and the alarm 66 gives an alarm to remind the staff to process.
In one embodiment, the cooling pump 1 is a variable displacement pump. The use of a metering pump can facilitate the adjustment of the flow of cooling water in the pipe 4. So as to adapt to different environment temperatures, ensure the cooling effect of each pump 5, and simultaneously reduce the working condition that the cooling pump 1 is always in a certain state and reduce the waste of electric energy.
In one embodiment, the processor 64 is a PLC processor 64; the control valve 61 is a solenoid valve. The adoption of the PLC processor 64 can facilitate the modification of the set value by a worker, the electromagnetic valve is convenient for the control of the processor 64, and the response is sensitive and rapid.
Specifically, the fan is a multistage variable speed fan. The motor of the fan is provided with a plurality of gears which are adjustable, and the motor rotating speeds of different gears are different, so that the fan has different heat dissipation capacities. So as to adapt to different ambient temperatures.
The heat exchanger 2 is an S-shaped plate to form a radiating surface, the radiating fan is arranged near the heat exchanger 2, and the blown air of the radiating fan takes away the heat of the radiator through the surface of the radiator, so that the heat exchange function is realized. Simple structure and low cost.
In particular, the heat exchanger 2 may also be a cooling water tower. The device has wide market distribution, mature technology and low price. The investment of construction cost can be reduced.
Specifically, the distributor 21 dissipates heat the blower; 3 is that a plurality of water outlets 31 are arranged in a pipe body; the structure is simple and convenient to manufacture, and the header pipe 8 and the distributor 21 are provided with heat dissipation fans; 3 are identical in structure.
In summary, the embodiment of the utility model provides a cooling device of a centrifugal pump, which is provided with a distributor 21 cooling fan; 3, the water quantity of the cooling pump 1 is divided into a plurality of flows which respectively enter different pump machines 5 to cool the same, and the control valves 61 are arranged on the water outlets 31 so as to conveniently control the cooling water quantity entering the different pump machines 5, so that the cooling water is provided for all the pump machines 5 by only one cooling pump 1; the investment of the cost is reduced, and the maintenance work of the device is facilitated.
Transmitting a temperature signal of a part to be cooled in the pump 5 to a processor 64 through a first temperature sensor 62, outputting the signal to a control valve 61 through calculation of the processor 64, and controlling the opening of the water outlet 31 by the control valve 61 so as to control the flow rate of cooling water entering the pump 5; the second temperature sensor 63 transmits the temperature in the pipeline 4 to the processor 64, and outputs a corresponding signal to the cooling fan through the processing of the processor 64, and controls the start and stop of the fan so as to adjust the temperature of cooling water in the pipeline 4. Realizing automatic control and regulation functions, and being convenient for the management work of the cooling of the pump 5 by the staff.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. A cooling device for a centrifugal pump for cooling a plurality of pumps, comprising: a cooling pump, a heat exchanger, a distributor, and a header pipe;
the collecting pipe, the heat exchanger, the cooling pump and the distributor are communicated through pipelines in sequence; the distributor is provided with a plurality of water outlets, and the water outlets are respectively communicated with the cooling water inlets of the pumps in a one-to-one correspondence manner; the cooling water outlets of the plurality of pumps are communicated with the collecting pipe;
each water outlet is provided with a control valve, and each pump is provided with a first temperature sensor; a second temperature sensor is arranged on the pipeline; a heat radiation fan is arranged on the heat exchanger; the control valve, the first temperature sensor, the second temperature sensor, the heat radiation fan and the cooling pump are all electrically connected with the processor.
2. The cooling device of claim 1, further comprising a cooling tube segment; the cooling pipe section is used for being installed in the cooling cavity of the pump, one end of the cooling pipe section is the cooling water inlet, and the other end of the cooling pipe section is the cooling water outlet.
3. The cooling device of claim 2, wherein the cooling tube segment is U-shaped and surrounds a bearing within the cooling cavity.
4. A cooling device according to claim 3, wherein a plurality of ribs are uniformly arranged on the outer side surface of the cooling pipe section.
5. The cooling device of claim 1, further comprising a display screen electrically connected to the processor.
6. The cooling device of claim 1, further comprising an alarm, and wherein the alarm is electrically connected to the processor.
7. The cooling device of claim 1, wherein the cooling pump is a variable displacement pump.
8. The cooling device of any one of claims 1-7, wherein the processor is a PLC processor; the control valve is an electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478188.1U CN220081777U (en) | 2023-06-12 | 2023-06-12 | Cooling device of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478188.1U CN220081777U (en) | 2023-06-12 | 2023-06-12 | Cooling device of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081777U true CN220081777U (en) | 2023-11-24 |
Family
ID=88820582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321478188.1U Active CN220081777U (en) | 2023-06-12 | 2023-06-12 | Cooling device of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081777U (en) |
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2023
- 2023-06-12 CN CN202321478188.1U patent/CN220081777U/en active Active
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