CN110822681A - Fresh water fluctuation device for nuclear power ship air conditioner cold water system - Google Patents
Fresh water fluctuation device for nuclear power ship air conditioner cold water system Download PDFInfo
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- CN110822681A CN110822681A CN201911175461.1A CN201911175461A CN110822681A CN 110822681 A CN110822681 A CN 110822681A CN 201911175461 A CN201911175461 A CN 201911175461A CN 110822681 A CN110822681 A CN 110822681A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
Abstract
A fresh water fluctuation device for a nuclear power vessel air conditioner cold water system relates to the field of nuclear power vessel air conditioners and comprises a fresh water fluctuation tank, a fresh water control valve and a fresh water control valve, wherein the fresh water fluctuation tank is connected to the air conditioner cold water system through a pipeline and is provided with a safety air valve; a magnetic floating ball liquid level meter is arranged in the fresh water fluctuation tank; the constant pressure system comprises a pressure reducing valve and a first ball valve, the pressure reducing valve is connected with a compressed air system of the nuclear power ship through a pipeline, and the first ball valve is connected with a fresh water fluctuation tank through a pipeline; the water replenishing system comprises a water replenishing pump and an automatic water replenishing valve, the water replenishing pump is connected to a water making system of the nuclear power ship, and the automatic water replenishing valve is connected to the fresh water fluctuation tank; the constant pressure system is in a normally open state, and when the air pressure in the fresh water fluctuation tank is greater than a critical air pressure value, the safety air valve is opened; when the water level is lower than the critical low liquid level, the water replenishing pump and the automatic water replenishing valve are opened. The fresh water fluctuation device replaces the traditional expansion water tank, not only has the function of constant pressure water supplement, but also reduces the volume and improves the automation degree.
Description
Technical Field
The invention relates to the field of nuclear power vessel air conditioners, in particular to a fresh water fluctuation device for a nuclear power vessel air conditioner cold water system.
Background
In the existing air conditioning system, a common constant-pressure water supplementing device in an air conditioning cold water pipe network is mainly an expansion water tank. Because expansion tank is independent device, does not have other equipment of external interface access, consequently need to rely on parts such as extra level pressure of self inside, moisturizing, blowdown to realize the level pressure moisturizing of air conditioner cold water pipe net, this just causes expansion tank to have following defect:
1. the expansion water tank has large volume and occupies large space during installation;
2. the internal parts are more, and the manufacturing cost is higher;
3. the installation is inconvenient, and in the actual installation process, the expansion water tank generally needs to be arranged at the highest position of a pipe network, so that the unified management of air conditioning system equipment is not facilitated, and the burden and the cost of later-stage operation and maintenance of the air conditioning system are increased;
in a nuclear power ship, the ship is provided with a compressed air system and a water making system, so that it is of great significance to design a fresh water fluctuation device for a nuclear power ship air-conditioning cold water system to replace a traditional expansion water tank by utilizing the conditions.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fresh water fluctuation device for an air-conditioning cold water system of a nuclear power ship by utilizing the self condition of the nuclear power ship, which replaces the traditional expansion water tank, not only has the function of constant-pressure water supplement, but also reduces the volume and improves the automation degree.
In order to achieve the above purposes, the technical scheme is as follows: a fresh water fluctuation device for a nuclear powered vessel air conditioning cold water system, comprising:
the fresh water fluctuation tank is connected to the air conditioner cold water system through a pipeline, a safety air valve is arranged at the top of the fresh water fluctuation tank, and the safety air valve is set to be a critical air pressure value; a magnetic floating ball liquid level meter for monitoring the water level is arranged in the fresh water fluctuation tank, and the magnetic floating ball liquid level meter is set with a critical low liquid level;
the constant-pressure system comprises a pressure reducing valve and a first ball valve which are connected in series, the pressure reducing valve is connected with a compressed air system of the nuclear power ship through a pipeline, and the first ball valve is connected with the fresh water fluctuation tank through a pipeline;
the water replenishing system comprises a water replenishing pump and an automatic water replenishing valve which are connected in series, the water replenishing pump is connected into a water producing system of the nuclear power ship through a pipeline, and the automatic water replenishing valve is connected into the fresh water fluctuation tank through a pipeline;
the constant pressure system is in a normally open state, and when the air pressure in the fresh water fluctuation tank is greater than the critical air pressure value, the safety air valve is opened; the water replenishing pump and the automatic water replenishing valve are in a normally closed state, and when the water level monitored by the magnetic floating ball liquid level meter is lower than the critical low liquid level, the water replenishing pump and the automatic water replenishing valve are opened.
On the basis of the technical scheme, a safety water valve is arranged at the bottom of the fresh water fluctuation tank, and the magnetic floating ball liquid level meter is also set with a critical high liquid level; and when the water level monitored by the magnetic floating ball liquid level meter is higher than the critical high liquid level or when the fresh water fluctuation tank needs to discharge sewage, the safety water valve is opened.
On the basis of the technical scheme, the constant pressure system further comprises a second electromagnetic valve, wherein the second electromagnetic valve is used for adjusting the flow and the flow speed of the compressed air inlet and is installed between the first ball valve and the fresh water fluctuation tank in series.
On the basis of the technical scheme, the constant pressure system further comprises a right-angle stop valve, and the right-angle stop valve is installed between the second electromagnetic valve and the fresh water fluctuation tank in series.
On the basis of the technical scheme, the constant pressure system further comprises an automatic air release valve, and the automatic air release valve is arranged between the second electromagnetic valve and the right-angle stop valve in parallel; the automatic air release valve is set with a critical threshold value, and when the pressure of compressed air in the pipeline is higher than the critical threshold value, the automatic air release valve is automatically opened.
On the basis of the technical scheme, the constant pressure system further comprises a first pressure gauge, and the first pressure gauge is installed between the second electromagnetic valve and the right-angle stop valve in parallel.
On the basis of the technical scheme, the water supplementing system further comprises a straight-through stop valve, and the straight-through stop valve is installed between the water supplementing pump and the water making system in series.
On the basis of the technical scheme, the water supplementing system further comprises a second pressure gauge and a third pressure gauge which are arranged on two sides of the water supplementing pump, and when the pressure difference between the two pressure gauges is normal, the water supplementing pump is closed.
On the basis of the technical scheme, the water supplementing system further comprises a first electromagnetic valve, and the first electromagnetic valve is installed between the automatic water supplementing valve and the fresh water fluctuation tank in series.
On the basis of the technical scheme, a fourth pressure gauge and a thermometer are further installed at the top of the fresh water fluctuation tank.
The invention has the beneficial effects that:
1. the fresh water fluctuation device integrates the functions of automatic inflation, air exhaust, water supplement, water discharge and pollution discharge, high-pressure gas from a compressed air system is decompressed to constant pressure requirement pressure through a pressure reducing valve and flows into the fresh water fluctuation tank 1, the fresh water fluctuation tank 1 is communicated with an air conditioner cold water system, and the pressure fluctuation of the air conditioner cold water system can be fed back and compensated to achieve the purpose of constant pressure;
meanwhile, the automatic air release valve is used as double insurance, so that the phenomenon that the pressure entering the fresh water fluctuation tank is too high and exceeds the bearing range of the fresh water fluctuation tank to damage the fresh water fluctuation tank when one of the automatic air release valve and the pressure reducing valve loses function can be prevented; the safety air valve further limits the pressure in the fresh water fluctuation tank, and once the pressure in the fresh water fluctuation tank exceeds a critical air pressure value (namely constant pressure demand pressure), the air exhaust and pressure reduction are carried out;
when the water level monitored by the magnetic floating ball liquid level meter is lower than the critical low liquid level, an automatic water replenishing valve and a water replenishing pump of a water replenishing system are started to replenish water; when the water level monitored by the magnetic floating ball liquid level meter is higher than the critical high liquid level or sewage needs to be discharged, the safety water valve is opened to drain water and discharge sewage.
2. The fresh water fluctuation device has small volume, occupies less space and is convenient to install and maintain, and the fresh water fluctuation device replaces the traditional expansion water tank, thereby better realizing the function of constant pressure water supplement, reducing the volume of the device, improving the automation degree and reducing the operation cost.
Drawings
Fig. 1 is a flow chart of a fresh water fluctuation device according to an embodiment of the present invention.
Reference numerals: the device comprises a fresh water fluctuation tank 1, a fresh water replenishing pump 2, an automatic water replenishing valve 3, a first electromagnetic valve 4, a second electromagnetic valve 5, a first ball valve 6, a second ball valve 7, an automatic air release valve 8, a safety air valve 9, a safety water valve 10, a pressure reducing valve 11, a right-angle stop valve 12, a straight-through stop valve 13, a first pressure gauge 14, a second pressure gauge 15, a third pressure gauge 16, a pressure sensor 17, a magnetic floating ball liquid level meter 18, a fourth pressure gauge 20 and a thermometer 21.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the fresh water fluctuation device for the nuclear power vessel air-conditioning cold water system comprises a fresh water fluctuation tank 1, a constant pressure system and a water replenishing system, which are combined to replace an expansion water tank of the traditional air-conditioning cold water system, so that the constant pressure water replenishing function is realized.
The fresh water fluctuation tank 1 is connected to an air conditioner cold water system through a pipeline, a safety air valve 9 is arranged at the top of the fresh water fluctuation tank 1, and the safety air valve 9 is set to be a critical air pressure value and used for releasing pressure when the pressure in the fresh water fluctuation tank 1 is too high. The inside magnetic floating ball level meter 18 that monitors the water level that sets up of fresh water fluctuation jar 1, floater level meter are used for monitoring the liquid level of fresh water in the fluctuation jar 1 of fresh water, and magnetic floating ball level meter 18 sets for the critical low liquid level.
The constant pressure system comprises a pressure reducing valve 11 and a first ball valve 6 which are connected in series, the pressure reducing valve 11 is connected with a compressed air system of the nuclear power ship through a pipeline, and the first ball valve 6 is connected with the fresh water fluctuation tank 1 through a pipeline. The pressure reducing valve 11 is used to reduce the air pressure from the compressed air system to meet the constant pressure demand. The ball valve 6 is used for opening and shutting off the compressed air system and also for isolating the pressure reducing valve 11 in case of failure.
The water replenishing system comprises a water replenishing pump 2 and an automatic water replenishing valve 3 which are connected in series, the water replenishing pump 2 is connected into a water producing system of the nuclear power ship through a pipeline, and the automatic water replenishing valve 3 is connected into the fresh water fluctuation tank 1 through a pipeline. The water replenishing pump 2 is used for providing power for fresh water from a water making system to enter the fresh water fluctuation tank 1. The automatic water replenishing valve 3 is automatically opened when water is required to be replenished, and is automatically closed when the water replenishing is finished. The water replenishing system maintains the water quantity of the fresh water fluctuation tank 1 through fresh water provided by the water making system, and further replenishes the water quantity shortage of the air-conditioning cold water system.
The constant pressure system is in a normally open state, and specifically, the first ball valve 6 and the pressure reducing valve 11 are in a normally open state; in the process of the operation of the fresh water fluctuation device, when the air pressure in the fresh water fluctuation tank 1 is larger than the critical air pressure value of the safety air valve 9, the safety air valve 9 is opened to release the pressure.
And a water replenishing pump 2 and an automatic water replenishing valve 3 of the water replenishing system are in a normally closed state, and when the water level monitored by the magnetic floating ball liquid level meter 18 is lower than a critical low liquid level, the water replenishing pump 2 and the automatic water replenishing valve 3 are opened to replenish water.
In the embodiment, the bottom of the fresh water fluctuation tank 1 is provided with the safety water valve 10, and the magnetic floating ball liquid level meter 18 is also set with a critical high liquid level; the safety water valve 10 is in a normally closed state, and when the water level monitored by the magnetic floating ball liquid level meter 18 is higher than a critical high liquid level, the safety water valve 10 is opened; or when sewage exists in the fresh water fluctuation tank 1 and needs to be discharged, the safety water valve 10 is opened.
Further, the magnetic floating ball liquid level meter 18 also sets a rated liquid level; when water is replenished after the water replenishing pump 2 and the automatic water replenishing valve 3 are opened, the water replenishing pump 2 and the automatic water replenishing valve 3 are closed when the liquid level reaches a rated liquid level (between a critical high liquid level and a critical low liquid level).
Preferably, the constant pressure system further comprises a second electromagnetic valve 5, and the second electromagnetic valve 5 is installed between the first ball valve 6 and the fresh water fluctuation tank 1 in series; the second solenoid valve 5 is used to regulate the flow and velocity of the compressed air in the duct. The second solenoid valve 5 is in a normally open state. When the pressure in the fresh water fluctuation tank 1 is insufficient, the second electromagnetic valve 5 increases the flow rate and the flow velocity of the inlet air of the compressed air, so that the pressure of the fresh water fluctuation tank 1 is quickly recovered.
Further, the constant pressure system further comprises a right-angle stop valve 12, and the right-angle stop valve 12 is installed between the second electromagnetic valve 5 and the fresh water fluctuation tank 1 in series. The quarter stop valve 12 is used for receiving a quarter pipe, i.e. it functions as a "knee" and also as a switch. The right angle stop valve 12 is in a normally open state.
Preferably, the constant pressure system further comprises an automatic air release valve 8, and the automatic air release valve 8 is installed between the second electromagnetic valve 5 and the right-angle stop valve 12 in parallel. The automatic air release valve 8 is in a normally closed state, the automatic air release valve 8 sets a critical threshold value, when the pressure of compressed air in the pipeline is higher than the critical threshold value (the critical threshold value is a pressure value required by actual constant pressure), the automatic air release valve 8 automatically opens to release redundant air, and when the pressure is reduced to the critical threshold value, the automatic air release valve automatically closes. The automatic air relief valve 8 plays a double-insurance role on the basis of the pressure relief valve 11; the pressure reducing valve and the automatic air release valve are arranged, so that the problem that the pressure entering the fresh water fluctuation tank 1 is too high and exceeds the bearing range to damage the fresh water fluctuation tank 1 when a certain valve loses function can be prevented.
Further, the constant pressure system further comprises a first pressure gauge 14, and the first pressure gauge 14 is installed between the second electromagnetic valve 5 and the right-angle stop valve 12 in parallel. The first pressure gauge 14 is used for monitoring the pressure of the compressed air in the pipeline and can be directly reflected by the pressure gauge.
In this embodiment, the water replenishing system further includes a through cut-off valve 13, and the through cut-off valve 13 is installed in series between the water replenishing pump 2 and the water producing system. The straight-through stop valve 13 is used for opening and cutting off the water replenishing pipeline, and is also used for cutting off the pipeline after the water pump breaks down and is usually in an opening state.
The water supplementing system further comprises a second pressure gauge 15 and a third pressure gauge 16 which are installed on two sides of the water supplementing pump 2, the second pressure gauge 15 and the third pressure gauge 16 are respectively used for monitoring the pressure of the two sides of the water supplementing pump 2, and when the pressure difference between the two sides is normal, the water supplementing pump 2 is closed for maintenance or replacement. This setting can in time discover moisturizing pump 2 trouble, guarantees that the moisturizing function is stable for a long time.
Further, the water supplementing system further comprises a first electromagnetic valve 4, and the first electromagnetic valve 4 is installed between the automatic water supplementing valve 3 and the fresh water fluctuation tank 1 in series. The first electromagnetic valve 4 is used for adjusting the fresh water flow and the flow rate in the water replenishing pipeline.
Preferably, a fourth pressure gauge 20 and a thermometer 21 are also installed on the top of the fresh water surge tank 1. The fourth pressure gauge 20 can visually reflect the pressure value in the fresh water surge tank 1. The thermometer 21 can visually reflect the temperature value in the fresh water surge tank 1. In the embodiment, the thermometer is used for monitoring whether the temperature of the fresh water in the fresh water fluctuation tank 1 is 12-15 ℃.
Preferably, a second ball valve 7 is further installed in the pipeline between the fresh water fluctuation tank 1 and the air-conditioning cold water system, and the second ball valve 7 is used for opening and blocking the pipeline between the air-conditioning cold water system and the fresh water fluctuation tank 1 and is always in an open state.
Preferably, the fresh water surge tank 1 is further provided with a pressure sensor 17, the pressure sensor 17 is used for monitoring whether the pressure of the fresh water surge tank 17 is normal, and the pressure sensor 17 and the fourth pressure gauge 20 are of double insurance in view of improving the reliability of the fresh water surge device, so as to prevent that the device pressure cannot be monitored when one auxiliary device fails.
In this embodiment, the pipeline drift diameter of the constant pressure system is DN15, the pipeline drift diameter of the water charging system is DN32, and the pipeline drift diameter of the fresh water surge tank 1 connected with the air-conditioning cold water system is DN 20.
The fresh water fluctuation device is close to the air-conditioning water chilling unit, and management is convenient. A water receiving tray is arranged below the fresh water fluctuation device, and a water outlet is arranged at the lowest position of the water receiving tray. In addition, the installation height of the second ball valve 7 does not exceed 1.8m, taking sufficient consideration for the convenience of operation.
The fresh water fluctuation device has certain functions of resisting swing, vibration and impact, and can meet the requirements of a transverse inclination angle of +/-15 degrees and a longitudinal inclination angle of +/-5 degrees; and the environment conditions of rolling +/-22.5 degrees and pitching +/-10 degrees.
Under five special working conditions of ship lifting and leaving, mooring connection, high sea state mooring, mooring release and ship lifting and returning, the nuclear reactor in the nuclear power ship is in a cold shutdown mode, and an air-conditioning cold water system does not need to operate, so that the fresh water fluctuation device does not need to operate.
The working principle of the fresh water fluctuation device is as follows:
as shown in fig. 1, under normal conditions, namely, the pressure of the fresh water fluctuation tank 1 is constant and has no pressure fluctuation, the fresh water is sufficient and no water supplement is needed; at the moment, the water replenishing pump 2, the automatic water replenishing valve 3, the automatic air release valve 8, the safety air valve 9 and the safety water valve 10 are closed, and the other valves are opened; compressed air of the compressed air system is decompressed to meet the requirement of constant pressure through the decompression valve 11 and flows into the fresh water fluctuation tank 1 through the pipeline to maintain the pressure stability of the fresh water fluctuation tank 1, the fresh water fluctuation tank 1 is communicated with the air conditioner cold water system, and then the pressure fluctuation of the air conditioner cold water system is fed back and compensated, so that the purpose of constant pressure is achieved.
In the embodiment, the compressed air provided by the compressed air system is 1.6MPa, the compressed air after being decompressed by the decompression valve 11 is 1.0MPa, and the constant pressure requirement of the fresh water surge tank 1 is 1.0 MPa.
When the pressure in the pipeline of the constant pressure system is over-pressure, the first pressure gauge 14 displays that the pressure is over-pressure, the automatic air release valve 8 is automatically opened to release redundant air, and when the pressure meets the constant pressure requirement (namely is changed to 1.0MPa again), the automatic air release valve 8 is automatically closed.
When the pressure in the fresh water fluctuation tank 1 is over-pressure (namely the internal air pressure of the fresh water fluctuation tank 1 is greater than the critical air pressure value of the safety air valve 9 by 1.0MPa), the safety air valve 9 is opened to release the pressure, and after the pressure is recovered to 1.0MPa, the safety air valve 9 is automatically closed.
When water is required to be supplemented, namely when the magnetic floating ball liquid level meter 18 monitors that the water level of the fresh water fluctuation tank 1 is lower than the critical low liquid level, the water supplementing pump 2 and the automatic water supplementing valve 3 are started to supplement water; and when the water level reaches the rated liquid level, the water replenishing pump 2 and the automatic water replenishing valve 3 are closed.
When drainage is needed, namely the liquid level of the fresh water fluctuation tank 1 is greater than the critical high liquid level, the safety water valve 10 is opened, and when the water level is reduced to the rated liquid level, the safety water valve 10 is closed.
When sewage drainage is needed, the safety water valve 10 is opened until the fresh water fluctuation tank 1 is emptied (in the process, the water replenishing pump 2 and the automatic water replenishing valve 3 are always in a closed state), the safety water valve 10 is closed, and water replenishing is carried out again.
The invention provides a fresh water fluctuation device for a nuclear power ship air-conditioning cold water system, which replaces a traditional expansion water tank, can supplement the water quantity of the air-conditioning cold water system which disappears due to leakage or evaporation in time, and the like, and a fresh water fluctuation tank 1 is communicated with the air-conditioning cold water system, can feed back and compensate the pressure fluctuation of the air-conditioning cold water system, achieves the purpose of constant pressure water supplement, also reduces the volume, improves the automation degree and reduces the operation cost.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A fresh water fluctuation device for a nuclear powered vessel air conditioning cold water system, comprising:
the fresh water fluctuation tank (1) is connected to the air-conditioning cold water system through a pipeline, a safety air valve (9) is arranged at the top of the fresh water fluctuation tank (1), and the safety air valve (9) is set to be a critical air pressure value; a magnetic floating ball liquid level meter (18) for monitoring the water level is arranged in the fresh water fluctuation tank (1), and the magnetic floating ball liquid level meter (18) is set to be at a critical low liquid level;
the constant pressure system comprises a pressure reducing valve (11) and a first ball valve (6) which are connected in series, the pressure reducing valve (11) is connected with a compressed air system of the nuclear power ship through a pipeline, and the first ball valve (6) is connected with the fresh water fluctuation tank (1) through a pipeline;
the water replenishing system comprises a water replenishing pump (2) and an automatic water replenishing valve (3) which are connected in series, the water replenishing pump (2) is connected into a water producing system of the nuclear power ship through a pipeline, and the automatic water replenishing valve (3) is connected into the fresh water fluctuation tank (1) through a pipeline;
the constant pressure system is in a normally open state, and when the air pressure in the fresh water fluctuation tank (1) is greater than the critical air pressure value, the safety air valve (9) is opened; the water replenishing pump (2) and the automatic water replenishing valve (3) are in a normally closed state, and when the water level monitored by the magnetic floating ball liquid level meter (18) is lower than the critical low liquid level, the water replenishing pump (2) and the automatic water replenishing valve (3) are opened.
2. The fresh water surge apparatus of claim 1, wherein: a safety water valve (10) is arranged at the bottom of the fresh water fluctuation tank (1), and a critical high liquid level is also set by the magnetic floating ball liquid level meter (18); when the water level monitored by the magnetic floating ball liquid level meter (18) is higher than the critical high liquid level or when the fresh water fluctuation tank (1) needs to discharge sewage, the safety water valve (10) is opened.
3. The fresh water surge apparatus of claim 1, wherein: the constant pressure system also comprises a second electromagnetic valve (5), wherein the second electromagnetic valve (5) is used for adjusting the flow and the flow speed of the compressed air inlet and is arranged between the first ball valve (6) and the fresh water fluctuation tank (1) in series.
4. The fresh water surge apparatus of claim 3, wherein: the constant pressure system further comprises a right-angle stop valve (12), and the right-angle stop valve (12) is installed between the second electromagnetic valve (5) and the fresh water fluctuation tank (1) in series.
5. The fresh water surge apparatus of claim 4, wherein: the constant pressure system also comprises an automatic air release valve (8), and the automatic air release valve (8) is arranged between the second electromagnetic valve (5) and the right-angle stop valve (12) in parallel; the automatic air release valve (8) is set to be a critical threshold value, and when the pressure of compressed air in the pipeline is higher than the critical threshold value, the automatic air release valve (8) is automatically opened.
6. The fresh water surge apparatus of claim 4, wherein: the constant pressure system further comprises a first pressure gauge (14), and the first pressure gauge (14) is installed between the second electromagnetic valve (5) and the right-angle stop valve (12) in parallel.
7. The fresh water surge apparatus of claim 1, wherein: the water supplementing system further comprises a straight-through stop valve (13), and the straight-through stop valve (13) is installed between the water supplementing pump (2) and the water making system in series.
8. The fresh water surge apparatus of claim 1, wherein: the water supplementing system further comprises a second pressure gauge (15) and a third pressure gauge (16) which are installed on two sides of the water supplementing pump (2), and the water supplementing pump (2) is closed when the two pressure differences are normal.
9. The fresh water surge apparatus of claim 1, wherein: the water supplementing system further comprises a first electromagnetic valve (4), and the first electromagnetic valve (4) is installed between the automatic water supplementing valve (3) and the fresh water fluctuation tank (1) in series.
10. The fresh water fluctuation device according to any of claims 1 to 9, wherein: and a fourth pressure gauge (20) and a thermometer (21) are further installed at the top of the fresh water fluctuation tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175461.1A CN110822681A (en) | 2019-11-26 | 2019-11-26 | Fresh water fluctuation device for nuclear power ship air conditioner cold water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911175461.1A CN110822681A (en) | 2019-11-26 | 2019-11-26 | Fresh water fluctuation device for nuclear power ship air conditioner cold water system |
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| CN110822681A true CN110822681A (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485495A (en) * | 2021-07-08 | 2021-10-08 | 珠海格力电器股份有限公司 | Control method and device of water tank, water circulation heat exchange system, medium and processor |
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2019
- 2019-11-26 CN CN201911175461.1A patent/CN110822681A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485495A (en) * | 2021-07-08 | 2021-10-08 | 珠海格力电器股份有限公司 | Control method and device of water tank, water circulation heat exchange system, medium and processor |
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