CN220354026U - Circulating water automatic control system for mechanical seal - Google Patents
Circulating water automatic control system for mechanical seal Download PDFInfo
- Publication number
- CN220354026U CN220354026U CN202322109626.3U CN202322109626U CN220354026U CN 220354026 U CN220354026 U CN 220354026U CN 202322109626 U CN202322109626 U CN 202322109626U CN 220354026 U CN220354026 U CN 220354026U
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- China
- Prior art keywords
- water
- control system
- circulating water
- valve
- supplementing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 230000001502 supplementing effect Effects 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a circulating water automatic control system for mechanical sealing, which belongs to the field of circulating water control systems and solves the problems of low automation degree, high labor intensity of manual operation and high danger coefficient of the circulating water control system; the water supplementing pipe is provided with a circulating water supplementing pump which is connected with a water supplementing valve; the water supply pipe is provided with a water supply regulating valve, the backwater is provided with a backwater temperature transmitter, one side of the plate heat exchanger is connected with a cooling water inlet valve, the other side of the plate heat exchanger is connected with a cooling water outlet valve, and the backwater temperature transmitter is connected with the cooling water inlet valve through a control system. The utility model forms a closed-circuit integrated automatic control system by supplementing, pressurizing and cooling circulating water, improves the degree of automation and reduces the generation of manual labor force.
Description
Technical Field
The utility model belongs to an automatic circulating water control system for mechanical sealing, and particularly relates to the field of circulating water control systems.
Background
The circulating water cooling system is generally used for cooling circulating water supply of mechanical sealing devices in compressors, chemical pumps, multistage pumps and the like. The traditional cooling circulating water device adopts a sleeved heat exchange or coil pipe type heat exchange mode, so that the heat exchange efficiency is low, the circulating water temperature is high, and the circulating water consumption is large; the operation adopts a field manual operation mode, and has the problems of high labor intensity and low automation level because of no temperature, pressure and flow real-time monitoring instrument and automatic linkage control valve.
Disclosure of Invention
The utility model aims to provide a circulating water automatic control system for mechanical sealing, which aims to solve the problems of low automation degree, high labor intensity of manual operation and high risk coefficient of the circulating water control system.
The technical scheme of the utility model is as follows: the automatic control system of the circulating water for mechanical seal comprises a circulating water tank, wherein a water return pipe, a water supplementing pipe and a water supply pipe are connected to the circulating water tank, and a plate heat exchanger is arranged on the water return pipe; the water supplementing pipe is provided with a circulating water supplementing pump which is connected with a water supplementing valve; install the water supply governing valve on the water supply pipe, its characterized in that: and a backwater temperature transmitter is arranged on the backwater, one side of the plate heat exchanger is connected with a cooling water inlet valve, the other side of the plate heat exchanger is connected with a cooling water outlet valve, and the backwater temperature transmitter is connected with the cooling water inlet valve through a control system.
As a further improvement of the utility model, the circulating water tank is provided with a liquid level transmitter, the liquid level transmitter is connected with the water supplementing valve through a control system, and the control system controls the water supplementing valve to be opened and closed according to the liquid level detected by the liquid level transmitter.
As a further improvement of the utility model, the water supply adjusting valve is connected with a water supply variable frequency pump, the water supply variable frequency pump is connected with a filter, and the filter is connected with a water supply pressure sensor. The water supply flow is precisely controlled through the change of the frequency; the filter filters the pure water used; the water delivery pressure sensor monitors the water delivery pressure in real time.
As a further improvement of the utility model, the circulating water tank is connected with a nitrogen tank through a nitrogen regulating valve.
As a further improvement of the utility model, the nitrogen regulating valve is connected with the water feeding pressure sensor through a control system.
As a further improvement of the utility model, the side wall of the circulating water tank is provided with a water tank pressure transmitter, the top of the circulating water tank is provided with a safety valve, and the safety valve is connected with the water tank pressure transmitter through a control system. Safety accidents caused by the overhigh pressure in the circulating water tank are avoided.
The beneficial effects of the utility model are as follows: the backwater temperature transmitter is connected with the cooling water inlet valve through the control system, so that when the backwater temperature transmitter detects that the backwater temperature is too high, the control system controls the cooling water inlet valve to be opened, and the cooling water flows into the plate heat exchanger to exchange heat with backwater, thereby avoiding pure water waste caused by manual opening; the liquid level transmitter is connected with the circulating water supplementing valve through the control system, automatic water supplementing is carried out on the circulating water tank, the nitrogen regulating valve is connected with the water conveying pressure sensor through the control system, the situation that cooling cannot be carried out due to insufficient pressure of the water conveying pipeline is avoided, and the stability of continuous operation of the system is improved. Through the real-time supervision to circulating water system temperature, pressure, flow, with the supplementary, pressure boost, the cooling of circulating water form closed circuit integrated automatic control system, improved degree of automation, whole control monitoring is clear reliable, easy operation, and the engineering volume is little, has reduced the production of manual labor, has avoided the potential safety hazard to produce.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-a circulating water supplementing valve; 2-a circulating water supplementing pump; 3-a circulating water tank; 4-a liquid level transmitter; 5-a sink pressure transmitter; 6-nitrogen regulating valve; 7-a safety valve; 8-a water supply variable frequency pump; 9-a filter; 10-a water supply pressure sensor; 11-a water supply regulating valve; 12-plate heat exchanger; 13-a backwater temperature transmitter; 14-a water return pipe; 15-a cooling water inlet valve; 16-a cooling water outlet valve; 17-a water supplementing pipe; 18-water supply pipe.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the circulating water automatic control system for mechanical seal comprises a circulating water tank 3, wherein a water return pipe 14, a water supplementing pipe 17 and a water supply pipe 18 are connected to the circulating water tank 3, and a plate heat exchanger 12 is arranged on the water return pipe 14; the water supplementing pipe 17 is provided with a circulating water supplementing pump 2, and the circulating water supplementing pump 2 is connected with a water supplementing valve 1; the water supply pipe 18 is provided with a water supply regulating valve 11, the water return pipe 14 is provided with a water return temperature transmitter 13, one side of the plate heat exchanger 12 is connected with a cooling water inlet valve 15, the other side of the plate heat exchanger 12 is connected with a cooling water outlet valve 16, and the water return temperature transmitter 13 is connected with the cooling water inlet valve 15 through a control system.
The circulating water tank 3 is provided with a liquid level transmitter 4, the liquid level transmitter 4 is connected with the water supplementing valve 1 through a control system, when the liquid level transmitter 4 detects that the liquid level of the circulating water tank is less than or equal to 1200mm, the control system controls the circulating water supplementing valve 1 and the circulating water supplementing pump 2 to automatically open water supplementing, and when the liquid level reaches 1500mm, water supplementing is stopped.
The water delivery adjusting valve 11 is connected with the water delivery variable frequency pump 8, the water delivery variable frequency pump 8 is connected with the filter 9, the filter 9 is connected with the water delivery pressure sensor 10, and the water delivery flow is precisely controlled through the change of frequency, so that the pure water loss is reduced; the filter 9 filters the pure water for use, so that the influence of impurities in the pure water on the working performance of the mechanical seal is avoided; the water delivery pressure sensor 10 monitors the water delivery pressure in real time, so that the condition that the mechanical seal cannot be cooled due to insufficient water delivery pressure is avoided.
The circulating water tank 3 is connected with a nitrogen tank through a nitrogen regulating valve 6.
The nitrogen regulating valve 6 is connected with the water feeding pressure sensor 10 through a control system, and when the water feeding pressure sensor 10 detects that the water feeding pressure is insufficient, the nitrogen regulating valve 6 is automatically opened to supply pressure to the circulating water tank 3.
The side wall of the circulating water tank 3 is provided with the water tank pressure transmitter 5, the top of the circulating water tank 3 is provided with the safety valve 7, the safety valve 7 is connected with the water tank pressure transmitter 5 through the control system, and when the water tank pressure transmitter 5 detects that the pressure in the circulating water tank 3 is too high, the control system controls the safety valve 7 to automatically take off, so that safety accidents caused by the too high pressure in the circulating water tank 3 are avoided.
According to the utility model, a backwater temperature transmitter 13 is interlocked with a cooling water inlet valve 15 through a control system, when the backwater temperature transmitter detects that the backwater temperature is more than or equal to 35 ℃, the cooling water inlet valve 15 is opened, cooling water enters the plate heat exchanger 12 to exchange heat with backwater, when the backwater temperature in the plate heat exchanger 12 is reduced to 25 ℃, backwater is collected into a circulating water tank 3, and the exchanged cooling water is collected into a circulating water pump room through a cooling water outlet 16 to be cooled, and a backwater heat exchange instruction is waited.
The liquid level transmitter 4, the temperature transmitter 13, the water tank pressure transmitter 5 and the water supply pressure sensor 10 are controlled in a linkage way through a distributed control system, namely a DCS system, corresponding judgment is made through real-time data fed back by each detection sensor, the next step of work is carried out through automatic control, the system transmission reaction speed is high, the integrated control efficiency is high, the automation degree of production is improved, and the problem of high risk coefficient of manual operation in traditional facilities is solved.
Claims (6)
1. The automatic control system of the circulating water for the mechanical seal comprises a circulating water tank (3), wherein a water return pipe (14), a water supplementing pipe (17) and a water supply pipe (18) are connected to the circulating water tank (3), and a plate heat exchanger (12) is arranged on the water return pipe (14); a circulating water supplementing pump (2) is arranged on the supplementing pipe (17), and the circulating water supplementing pump (2) is connected with a supplementing valve (1); a water supply pipe (18) is provided with a water supply regulating valve (11), and is characterized in that: the water return pipe (14) is provided with a water return temperature transmitter (13), one side of the plate heat exchanger (12) is connected with a cooling water inlet valve (15), the other side of the plate heat exchanger (12) is connected with a cooling water outlet valve (16), and the water return temperature transmitter (13) is connected with the cooling water inlet valve (15) through a control system.
2. The circulating water automation control system for mechanical seal of claim 1, wherein: the circulating water tank (3) is provided with a liquid level transmitter (4), and the liquid level transmitter (4) is connected with the water supplementing valve (1) through a control system.
3. The circulating water automation control system for mechanical seal according to claim 2, wherein: the water supply adjusting valve (11) is connected with a water supply variable frequency pump (8), the water supply variable frequency pump (8) is connected with a filter (9), and the filter (9) is connected with a water supply pressure sensor (10).
4. The circulating water automation control system for mechanical seal of claim 3, wherein: the circulating water tank (3) is connected with a nitrogen tank through a nitrogen regulating valve (6).
5. The circulating water automation control system for mechanical seal of claim 4, wherein: the nitrogen regulating valve (6) is connected with the water feeding pressure sensor (10) through a control system.
6. The circulating water automation control system for mechanical seal of claim 5, wherein: the side wall of the circulating water tank (3) is provided with a water tank pressure transmitter (5), the top of the circulating water tank (3) is provided with a safety valve (7), and the safety valve (7) is connected with the water tank pressure transmitter (5) through a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109626.3U CN220354026U (en) | 2023-08-07 | 2023-08-07 | Circulating water automatic control system for mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109626.3U CN220354026U (en) | 2023-08-07 | 2023-08-07 | Circulating water automatic control system for mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354026U true CN220354026U (en) | 2024-01-16 |
Family
ID=89478656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322109626.3U Active CN220354026U (en) | 2023-08-07 | 2023-08-07 | Circulating water automatic control system for mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354026U (en) |
-
2023
- 2023-08-07 CN CN202322109626.3U patent/CN220354026U/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: 20240411 Address after: 737104 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |