CN212079608U - Cooling water self-supply system of circulating water pump - Google Patents
Cooling water self-supply system of circulating water pump Download PDFInfo
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- CN212079608U CN212079608U CN202020354413.0U CN202020354413U CN212079608U CN 212079608 U CN212079608 U CN 212079608U CN 202020354413 U CN202020354413 U CN 202020354413U CN 212079608 U CN212079608 U CN 212079608U
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Abstract
The utility model discloses a cooling water self-supply system of a circulating water pump, which comprises an external pump body, a working device, a cooling water circulating pump, a plurality of pipelines, a valve body A and a valve body B, wherein the water outlet of the external pump body is communicated with the cooling water inlet of the working device through the pipeline; the water outlet of the cooling water of the working equipment is communicated with the water inlet of the cooling water circulating pump through a pipeline, the water outlet of the cooling water circulating pump is connected to the water inlet of the valve body B through a pipeline, and the water outlet of the valve body B is free of an outdoor ditch; the water outlet of the cooling water circulating pump is communicated with the water outlet of the external pump body through a pipeline, and the middle part of the connected pipeline is provided with a valve body A. When the system is just started or the temperature of the cooling water does not reach the temperature of the cooling water discharged to the outdoor ditch, the external pump body and the valve body B are closed, and the valve body A is opened, so that the cooling water circulates all the time in the pipeline to circularly absorb heat and cool the working equipment under the work of the cooling water circulating pump, and the problem that the production cost is increased due to the direct discharge of the cooling water at present is solved.
Description
Technical Field
The utility model belongs to the water cooling field relates to a circulating water pump cooling water self-supplying system.
Background
Bearing temperature, motor cooler temperature can progressively rise after circulating water pump starts, so need cool off the cooling water to working equipment such as bearing, motor, just can guarantee the operation of circulating pump safety and stability, and circulating water pump cooling water of power plant adopts the mode that sets up external water source mostly. At present, cooling water of a circulating water pump of a power plant is pumped from an external cooling water pump, directly discharged after absorbing heat by working equipment, and the temperature of the equipment is not increased at the beginning of starting the working equipment; or in the case that the temperature of the equipment is not so high, the temperature of the cooling water after absorbing heat from the working equipment is not so high, and the direct discharge of the cooling water leads to the increase of the production cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a circulating water pump cooling water self-supplying system.
The utility model discloses a following technical scheme can realize.
The utility model provides a cooling water self-supply system of a circulating water pump, which comprises an external pump body, a working device, a cooling water circulating pump, a plurality of pipelines, a valve body A and a valve body B, wherein a water outlet of the external pump body is communicated with a cooling water inlet of the working device through the pipeline; the water outlet of the cooling water of the working equipment is communicated with the water inlet of the cooling water circulating pump through a pipeline, the water outlet of the cooling water circulating pump is connected to the water inlet of the valve body B through a pipeline, and the water outlet of the valve body B is free of an outdoor ditch; the water outlet of the cooling water circulating pump is communicated with the water outlet of the external pump body through a pipeline, and the middle part of the connected pipeline is provided with a valve body A.
A one-way valve is arranged on a pipeline which is communicated with the external pump body and the working equipment and is positioned below the valve body A; the valve body A is a one-way valve; the water body can only flow to the working equipment from the external pump body, the water body can not flow to an outdoor ditch from the external pump body through the valve body A, and the water body of the external pump body can not return.
A temperature control switch is arranged on an outlet pipeline of the cooling water circulating pump; the valve body A and the valve body B are electromagnetic one-way valves, electric control wires of the temperature control switch are respectively connected with electromagnetic control heads of the valve body A and the valve body B, and the electric control wires of the temperature control switch are simultaneously connected in series with a power supply wire of the external pump body; when the water temperature of the cooling water circulating pump is higher than the set temperature of the temperature control switch, the electric control line of the temperature control switch enables the valve body A and the external pump body to be closed, and the valve body B is opened, so that the automatic temperature control of the system is realized, the labor intensity is reduced, and the automation degree of the system is improved.
The electric control wire of the temperature control switch is also connected in series to the indicator lamp A, and the indicator lamp A is turned on when the water body is discharged after the temperature reaches the set temperature, so that the working visibility is improved.
And a one-way butterfly valve is arranged at the outlet of the outlet pipe of the cooling water circulating pump to control the water body flow of the cooling water circulating pump.
An inlet and an outlet of the valve body A are connected with a standby valve in parallel, the set pressure of the standby valve is higher than that of the valve body A, when the valve body A is damaged and is not communicated, the standby valve is opened, cooling water flows to working equipment from the standby valve, and the safety of the equipment is improved.
The electromagnetic one-way valve of the standby valve is convenient for opening and closing the standby valve under the control of remote control, and water can only flow to working equipment from the cooling water circulating pump through the standby valve.
The pressure switch is installed on an inlet pipeline of the valve body A and is connected with an electromagnetic wire of the standby valve in series, and after the valve body A is blocked, the pressure switch enables the standby valve to be automatically switched from a closed state to a conducting state after the pressure rises, so that the automatic control of the standby valve is realized, and the labor intensity is reduced.
The beneficial effects of the utility model reside in that: when the system is just started or the temperature of the cooling water does not reach the temperature of the cooling water discharged to the outdoor ditch, the external pump body and the valve body B are closed, and the valve body A is opened, so that the cooling water circulates all the time in the pipeline to circularly absorb heat and cool the working equipment under the work of the cooling water circulating pump, and the problem that the production cost is increased due to the direct discharge of the cooling water at present is solved. After the cooling system of the factory is modified by adopting the current technology, the use and production cost of enterprises is directly reduced by 43 ten thousand yuan/year at least.
Drawings
Fig. 1 is a schematic connection diagram of the present invention.
In the figure: 1-an external pump body; 2-working equipment; 3-a cooling water circulating pump; 4-valve body A; 5-valve body B; 6-a one-way valve; 7-a temperature control switch; 8-one-way butterfly valve; 9-a standby valve; 10-pressure switch.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1.
The utility model discloses a cooling water self-supply system of a circulating water pump, which comprises an external pump body 1, a working device 2, a cooling water circulating pump 3, a plurality of pipelines, a valve body A4 and a valve body B5, wherein a water outlet of the external pump body 1 is communicated with a cooling water inlet of the working device 2 through the pipelines; the cooling water outlet of the working equipment 2 is communicated with the water inlet of the cooling water circulating pump 3 through a pipeline, the water outlet of the cooling water circulating pump 3 is connected to the water inlet of a valve body B5 through a pipeline, and the water outlet of the valve body B5 is free of an outdoor ditch; the water outlet of the cooling water circulating pump 3 is communicated with the water outlet of the external pump body 1 through a pipeline, and the middle part of the connected pipeline is provided with a valve body A4.
The working principle is as follows: when the system is just started or the temperature of the cooling water does not reach the temperature of the cooling water discharged to the outdoor ditch, the external pump body 1 and the valve body B5 are closed, and the valve body A4 is opened, so that the cooling water circulates all the time in the pipeline to circularly absorb heat and cool the working equipment 2 under the work of the cooling water circulating pump 3, and the problem that the production cost is increased due to the direct discharge of the cooling water at present is solved. Because the cooling water amount of the present plant is 45 tons/hour, the total cooling water cost of 45, 24, 365, 3.2 and 126.14 ten thousand yuan (3.2 yuan per ton of water) is totally calculated in one year, and after the cooling system of the present plant is modified by the present technology, the water consumption is reduced by at least one third on the original basis, and the use and production cost of an enterprise is directly reduced by at least 43 ten thousand yuan per year.
A one-way valve 6 is arranged on a pipeline which is communicated with the external pump body 1 and the working equipment 2 and is positioned under the valve body A4; the valve body A4 is a one-way valve; the water body can only flow to the working equipment 2 from the external pump body 1, the water body can not flow to an outdoor ditch from the external pump body 1 through the valve body A4, and the water body of the external pump body 1 can not return.
A temperature control switch 7 is arranged on an outlet pipeline of the cooling water circulating pump 3; the valve body A4 and the valve body B5 are electromagnetic one-way valves, an electric control wire of the temperature control switch 7 is respectively connected with electromagnetic control heads of the valve body A4 and the valve body B5, and the electric control wire of the temperature control switch 7 is simultaneously connected in series with a power supply wire of the external pump body 1; when the water temperature of the cooling water circulating pump 3 is higher than the set temperature of the temperature control switch 7, the electric control line of the temperature control switch 7 enables the valve body A4 and the external pump body 1 to be closed, and the valve body B5 to be opened, so that the automatic temperature control of the system is realized, the labor intensity is reduced, and the automation degree of the system is improved.
The electric control wire of the temperature control switch 7 is also connected in series with the indicator lamp A, and the indicator lamp A is turned on when the water body is discharged after the temperature reaches the set temperature, so that the working visibility is improved.
And a one-way butterfly valve 8 is arranged at the outlet of the cooling water circulating pump 3 to control the water body flow of the cooling water circulating pump 3.
An inlet and an outlet of the valve body A4 are connected with a standby valve 9 in parallel, the set pressure of the standby valve 9 is higher than that of the valve body A4, when the valve body A4 is damaged and is blocked, the standby valve 9 is opened, cooling water flows onto the working equipment 2 from the standby valve 9, and the safety of the equipment is improved.
The electromagnetic one-way valve of the standby valve 9 is characterized in that the water body can only flow to the working equipment 2 from the cooling water circulating pump 3 through the standby valve 9, and meanwhile, the standby valve 9 is controlled to be opened and closed remotely.
The pressure switch 10 is installed on the inlet pipeline of the valve body A4, the pressure switch 10 is connected with the electromagnetic wire of the standby valve 9 in series, after the valve body A4 is blocked, the pressure switch 10 enables the standby valve 9 to be automatically switched from a closed state to a conducting state after the pressure rises, the automatic control of the standby valve 9 is achieved, and the labor intensity is reduced.
Claims (8)
1. A circulating water pump cooling water self-supply system is characterized by comprising: the water cooling system comprises an external pump body (1), working equipment (2), a cooling water circulating pump (3), a plurality of pipelines, a valve body A (4) and a valve body B (5), wherein a water outlet of the external pump body (1) is communicated with a cooling water inlet of the working equipment (2) through the pipelines; a cooling water outlet of the working equipment (2) is communicated with a water inlet of a cooling water circulating pump (3) through a pipeline, a water outlet of the cooling water circulating pump (3) is connected to a water inlet of a valve body B (5) through a pipeline, and an outdoor ditch is vacant at the water outlet of the valve body B (5); the water outlet of the cooling water circulating pump (3) is communicated with the water outlet of the external pump body (1) through a pipeline, and the middle part of the connected pipeline is provided with a valve body A (4).
2. The cooling water self-supply system of the circulating water pump as claimed in claim 1, wherein: a one-way valve (6) is arranged on the external pump body (1), the working equipment (2) and a pipeline which is positioned below the valve body A (4); the valve body A (4) is a one-way valve.
3. The cooling water self-supply system of the circulating water pump as claimed in claim 1, wherein: a temperature control switch (7) is arranged on an outlet pipeline of the cooling water circulating pump (3); the valve body A (4) and the valve body B (5) are electromagnetic one-way valves, an electric control wire of the temperature control switch (7) is respectively connected with electromagnetic control heads of the valve body A (4) and the valve body B (5), and the electric control wire of the temperature control switch (7) is simultaneously connected in series with a power supply wire of the external pump body (1).
4. The circulating water pump cooling water self-supply system according to claim 3, characterized in that: and an electric control wire of the temperature control switch (7) is also connected in series with the indicator lamp A.
5. The cooling water self-supply system of the circulating water pump as claimed in claim 1, wherein: and a one-way butterfly valve (8) is arranged at the outlet of the cooling water circulating pump (3).
6. The cooling water self-supply system of the circulating water pump as claimed in claim 1, wherein: the inlet and the outlet of the valve body A (4) are connected with a standby valve (9) in parallel, the set pressure of the standby valve (9) is higher than that of the valve body A (4), and when the valve body A (4) is damaged and is not communicated, the standby valve (9) is opened.
7. The cooling water self-supply system of the circulating water pump as claimed in claim 6, wherein: and the water body of the electromagnetic one-way valve of the standby valve (9) can only flow onto the working equipment (2) from the cooling water circulating pump (3) through the standby valve (9).
8. The cooling water self-supply system of the circulating water pump as claimed in claim 7, wherein: and a pressure switch (10) is installed on an inlet pipeline of the valve body A (4), the pressure switch (10) is connected with an electromagnetic wire of the standby valve (9) in series, and after the valve body A (4) is blocked, the pressure switch (10) enables the standby valve (9) to be automatically switched to a conducting state from a closed state after the pressure rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020354413.0U CN212079608U (en) | 2020-03-19 | 2020-03-19 | Cooling water self-supply system of circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020354413.0U CN212079608U (en) | 2020-03-19 | 2020-03-19 | Cooling water self-supply system of circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079608U true CN212079608U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020354413.0U Active CN212079608U (en) | 2020-03-19 | 2020-03-19 | Cooling water self-supply system of circulating water pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN212079608U (en) |
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2020
- 2020-03-19 CN CN202020354413.0U patent/CN212079608U/en active Active
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