CN221002932U - Automatic water replenishing device for high Wen Duichai water replenishing tank and control loop thereof - Google Patents
Automatic water replenishing device for high Wen Duichai water replenishing tank and control loop thereof Download PDFInfo
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- CN221002932U CN221002932U CN202322686298.3U CN202322686298U CN221002932U CN 221002932 U CN221002932 U CN 221002932U CN 202322686298 U CN202322686298 U CN 202322686298U CN 221002932 U CN221002932 U CN 221002932U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 230000001502 supplementing effect Effects 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 208000027697 autoimmune lymphoproliferative syndrome due to CTLA4 haploinsuffiency Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
An automatic water replenishing device for a high Wen Duichai water replenishing tank and an automatic control loop thereof, comprising a water storage tank, a water replenishing pump and an expansion tank; the output end of the water storage tank is connected with a water supplementing pump through a water supplementing manual valve 2; the water supplementing pump is connected with the expansion water tank sequentially through a water supplementing electric valve and a water supplementing manual valve 1; the expansion water tank is externally provided with a liquid level monitoring device. The hand pump and related pipelines for site water replenishing are removed, and an electric loop is added in a site control box, so that automatic water replenishing of the expansion tank is realized, and site manpower and material resources are saved.
Description
Technical Field
The utility model relates to a control loop, in particular to an automatic water replenishing device for a high Wen Duichai water replenishing tank and an automatic control loop thereof.
Background
The high-temperature gas cooled reactor emergency diesel generator set is arranged into two independent safe power supply sequences according to the division of two emergency shutdown and a special safety facility load group of each reactor. The emergency diesel generator set requires that the set should start power supply within a specified time when the normal power supply outside the plant is completely lost, and provides electric energy for the process system load which is specified on the emergency bus and allows the power supply to be interrupted for a certain time according to the requirement of the load program.
In order to ensure the preheating in the shutdown process and the cooling in the starting process of the diesel generator, cooling water needs to be introduced into the heat exchange pipeline so as to complete energy transfer. In order to avoid the reduction of water quantity caused by evaporation and leakage, the diesel generator system is provided with an expansion water tank at a high position, and the pipeline is supplemented with water at any time by utilizing gravity.
In the design of the prior art, workers are required to lift the water supplementing barrel to the high place, and the hand water supplementing pump is operated on site to supplement water for the expansion tank, so that the on-site workload is increased, once large-scale leakage occurs, the cooling water is completely lost, a great deal of manpower and time are required for manually supplementing the expansion tank, and the diesel generator is in an unavailable state during the process.
Disclosure of utility model
In order to solve the defects in the prior art, the invention discloses an automatic water replenishing device for a high Wen Duichai water replenishing tank and a control system thereof, and the technical scheme is as follows:
An automatic water replenishing device for a high Wen Duichai water replenishing tank comprises a water storage tank, a water replenishing pump and an expansion tank; the method is characterized in that: the output end of the water storage tank is connected with a water supplementing pump through a water supplementing manual valve 2; the water supplementing pump is connected with the expansion water tank sequentially through a water supplementing electric valve and a water supplementing manual valve 1; the expansion water tank is externally provided with a liquid level monitoring device.
Preferably, it is: the water supplementing manual valves 1 and 2 are manual valves.
Preferably, it is: the expansion water tank is connected with the liquid level monitoring device through a manual valve.
Preferably, it is: a liquid level meter is arranged in the water storage tank.
The utility model also discloses an automatic control loop for the high Wen Duichai water replenishing tank, which comprises a commercial alternating current power supply, an intermediate relay and an action contact; the method is characterized in that: the live wire L of the commercial power alternating current power supply is sequentially connected with the liquid level low-action contact, the liquid level high-action contact, the parallel intermediate relay KA and the time relay KT and then is connected with the zero line N of the commercial power alternating current power supply; the live wire L is connected with the action coil of the water supplementing pump through the KA auxiliary contact and then connected with the zero line N; and the live wire L is connected with the zero line N after being connected with the action coil of the water supplementing valve through the KT auxiliary contact.
Preferably, it is: the live wire L is connected with a liquid level low action contact through a fuse FU 1.
Preferably, it is: and the output end of the intermediate relay KA is connected with a zero line through a fuse FU 2.
Preferably, it is: the liquid level low action contact is a normally open contact, and the liquid level high action contact is a normally closed contact; the KA auxiliary contact is a normally open contact; the KT auxiliary contact is a normally-open time-delay closed contact.
Advantageous effects
And the hand pump and related pipelines for site water replenishing are removed, an electric loop is added in the site control box, automatic water replenishing of the expansion tank is realized, and site manpower and material resources are saved.
Drawings
Fig. 1: chai Fa mechanical part structure schematic diagram of automatic water replenishing device of expansion tank;
fig. 2: and Chai Fa an electric part structure diagram of an automatic water supplementing device of the expansion water tank.
Detailed Description
Example 1
An automatic water replenishing device for a high Wen Duichai water replenishing tank comprises a water storage tank, a water replenishing pump and an expansion tank; the method is characterized in that: the output end of the water storage tank is connected with a water supplementing pump through a water supplementing manual valve 2; the water supplementing pump is connected with the expansion water tank sequentially through a water supplementing electric valve and a water supplementing manual valve 1; a liquid level monitoring device is arranged outside the expansion water tank; the water supplementing manual valves 1 and 2 are manual valves; the expansion water tank is connected with the liquid level monitoring device through a manual valve; a liquid level meter is arranged in the water storage tank.
The working process after the transformation scheme is as follows:
The concrete transformation steps are as follows: 1. removing the hand pump and related pipelines for site water replenishing; 2. a water storage tank, a water supplementing manual valve, a water supplementing pump and a water supplementing electric valve are arranged at the lower part and are connected with pipelines among the components; 3. an electric loop in the diagram is added in the field control box, so that the automatic start and stop of the water supplementing pump and the water supplementing electric valve are realized.
Manually (or automatically) finishing water replenishing of the water storage tank according to a water level meter of the water storage tank in daily life; when the liquid level monitoring device monitors that the water level in the expansion tank is low, the working states of the water supplementing pump and the water supplementing valve are automatically controlled by the electric control loop so as to complete water supplementing of the expansion tank. In addition, a water supplementing manual valve 1 and a water supplementing manual valve 2 are added on the expansion tank water supply loop and are used for isolating during maintenance of the water supplementing pump and the water supplementing electric valve.
Example 2
An automatic control loop for a high Wen Duichai water replenishing tank comprises a commercial alternating current power supply, an intermediate relay and an action contact; the method is characterized in that: the live wire L of the commercial power alternating current power supply is sequentially connected with the liquid level low-action contact, the liquid level high-action contact, the parallel intermediate relay KA and the time relay KT and then is connected with the zero line N of the commercial power alternating current power supply; the live wire L is connected with the action coil of the water supplementing pump through the KA auxiliary contact and then connected with the zero line N; the live wire L is connected with the water supplementing power valve action coil through the KT auxiliary contact and then connected with the zero line N; the live wire L is connected with the liquid level low-action contact through a fuse FU 1; and the output end of the intermediate relay KA is connected with a zero line through a fuse FU 2.
The automatic control loop for the high Wen Duichai water replenishing tank works as follows:
When the liquid level of the expansion tank is low, a normally open contact of a liquid level low action contact in the expansion tank liquid level monitoring device is attracted, so that a live wire L supplies power to action coils of an intermediate relay KA and a time relay KT; at the moment, the KA auxiliary normally open contact is closed, and the water supplementing pump action coil is electrified, so that the water supplementing pump is started to work; the time relay KT works, so that the KT auxiliary contact is closed in a delayed manner, and after the KT auxiliary contact is closed, the action coil of the water supplementing electric valve is electrified, so that the water supplementing electric valve is conducted, and the water supply of the expansion water tank is realized; when the liquid level in the expansion water tank meets the requirement, the normally closed contact with high liquid level is opened, so that the relay is powered off, the water supplementing pump is stopped, and the water supplementing valve is closed.
The invention has been applied to cooling water systems of high temperature reactor emergency diesel generators. The water supplementing is realized by repeatedly starting and stopping on site, and the working requirement of the diesel generator is met.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An automatic water replenishing device for a high Wen Duichai water replenishing tank comprises a water storage tank, a water replenishing pump and an expansion tank; the method is characterized in that: the output end of the water storage tank is connected with a water supplementing pump through a water supplementing manual valve 2; the water supplementing pump is connected with the expansion water tank sequentially through a water supplementing electric valve and a water supplementing manual valve 1; the expansion water tank is externally provided with a liquid level monitoring device.
2. The automatic water replenishment device for a high Wen Duichai hair replenishment tank as set forth in claim 1, wherein: the expansion water tank is connected with the liquid level monitoring device through a manual valve.
3. The automatic water replenishment device for a high Wen Duichai hair replenishment tank as set forth in claim 1, wherein: a liquid level meter is arranged in the water storage tank.
4. An automatic control loop for a high Wen Duichai hair replacement tank, comprising a mains ac power supply, an intermediate relay, an action contact and an automatic water replenishment device for a high Wen Duichai hair replacement tank according to any one of claims 1 to 3; the method is characterized in that: the live wire L of the commercial power alternating current power supply is sequentially connected with the liquid level low-action contact, the liquid level high-action contact, the parallel intermediate relay KA and the time relay KT and then is connected with the zero line N of the commercial power alternating current power supply; the live wire L is connected with the action coil of the water supplementing pump through the KA auxiliary contact and then connected with the zero line N; and the live wire L is connected with the zero line N after being connected with the action coil of the water supplementing valve through the KT auxiliary contact.
5. The automatic control circuit for a high Wen Duichai cistern as claimed in claim 4, wherein: the live wire L is connected with a liquid level low action contact through a fuse FU 1.
6. The automatic control circuit for a high Wen Duichai cistern as claimed in claim 4, wherein: and the output end of the intermediate relay KA is connected with a zero line through a fuse FU 2.
7. The automatic control circuit for a high Wen Duichai cistern as claimed in claim 4, wherein: the liquid level low action contact is a normally open contact, and the liquid level high action contact is a normally closed contact; the KA auxiliary contact is a normally open contact; the KT auxiliary contact is a normally-open time-delay closed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686298.3U CN221002932U (en) | 2023-10-08 | 2023-10-08 | Automatic water replenishing device for high Wen Duichai water replenishing tank and control loop thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686298.3U CN221002932U (en) | 2023-10-08 | 2023-10-08 | Automatic water replenishing device for high Wen Duichai water replenishing tank and control loop thereof |
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| Publication Number | Publication Date |
|---|---|
| CN221002932U true CN221002932U (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322686298.3U Active CN221002932U (en) | 2023-10-08 | 2023-10-08 | Automatic water replenishing device for high Wen Duichai water replenishing tank and control loop thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN221002932U (en) |
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2023
- 2023-10-08 CN CN202322686298.3U patent/CN221002932U/en active Active
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