CN116641903A - Liquid level control system for lead bismuth pump and control method thereof - Google Patents
Liquid level control system for lead bismuth pump and control method thereof Download PDFInfo
- Publication number
- CN116641903A CN116641903A CN202310685945.0A CN202310685945A CN116641903A CN 116641903 A CN116641903 A CN 116641903A CN 202310685945 A CN202310685945 A CN 202310685945A CN 116641903 A CN116641903 A CN 116641903A
- Authority
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- China
- Prior art keywords
- pump
- liquid level
- exhaust
- bismuth
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 112
- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 72
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910001152 Bi alloy Inorganic materials 0.000 claims abstract description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 48
- 229910052786 argon Inorganic materials 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a liquid level control system for a lead bismuth pump, which relates to a lead bismuth pump and is connected in a lead bismuth loop, wherein a lead bismuth pump and a lead bismuth storage tank are arranged in the lead bismuth loop, a pump cavity is arranged in the lead bismuth pump, the pump cavity is communicated with the lead bismuth storage tank, liquid lead bismuth alloy is filled in the pump cavity and the lead bismuth storage tank, and the liquid level control system comprises: the liquid level meter monitors the liquid level of the pump cavity and transmits a liquid level signal; the control box receives the liquid level signal and controls the inflation or the exhaust of the pump cavity; an inflation portion that inflates the pump chamber; and an exhaust portion that receives exhaust of the pump chamber. The invention also discloses a control method of the liquid level control system for the lead bismuth pump. The invention can quickly and effectively adjust the liquid level of the lead-bismuth medium in the pump cavity, can ensure that the liquid level of the pump cavity is stabilized in a required range, and has the advantages of quick response, simple structure and simple installation.
Description
Technical Field
The invention relates to a lead bismuth pump, in particular to a liquid level control system for the lead bismuth pump and a control method thereof.
Background
Lead bismuth pumps are commonly used in the nuclear and chemical industries to deliver liquid metals (liquid lead bismuth alloys). The liquid lead bismuth alloy in the lead bismuth pump and the lead bismuth storage tank has certain liquid level difference, and inert gases (argon) with different pressures are filled into the pump cavity and the storage tank to ensure that the liquid level in the pump cavity is within the range of design requirements.
When the pump set operates, the liquid level of the pump cavity can fluctuate; in order to ensure that the pump set can stably and reliably control the lead-bismuth liquid level in the pump cavity in the operation process, a design and a control method for the liquid level control system are needed to be provided, and the liquid level in the pump cavity is ensured to be stable in a required range.
Disclosure of Invention
In view of the defects existing at present, the invention provides a liquid level control system and a control method for a lead-bismuth pump, which can quickly and effectively adjust the liquid level of lead-bismuth medium in a pump cavity, can ensure that the liquid level of the pump cavity is stable in a required range, and has the advantages of quick response, simple structure and simple installation.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
a liquid level control system for plumbous bismuth pump links in plumbous bismuth return circuit, be equipped with plumbous bismuth pump, plumbous bismuth storage tank in the plumbous bismuth return circuit, be equipped with the pump chamber in the plumbous bismuth pump, pump chamber and plumbous bismuth storage tank intercommunication are equipped with liquid plumbous bismuth alloy in the two, liquid level control system includes:
the liquid level meter monitors the liquid level of the pump cavity and transmits a liquid level signal;
the control box receives the liquid level signal and controls the inflation or the exhaust of the pump cavity;
an inflation portion that inflates the pump chamber;
and an exhaust portion that receives exhaust of the pump chamber.
According to one aspect of the invention, the inflating part comprises an argon tank and an inflating valve, and the opening of the inflating valve is controlled by the control box, so that the argon tank inflates the pump cavity.
According to one aspect of the invention, the exhaust part comprises an argon recovery tank and an exhaust valve, and the exhaust valve is controlled to be opened through a control box, so that the argon recovery tank receives the exhaust of the pump cavity.
According to one aspect of the invention, the inflation part further comprises an inflation pressure sensor, which monitors the pressure when inflated and transmits a pressure signal to the control box; the exhaust part also comprises an exhaust pressure sensor, and the exhaust pressure sensor monitors the pressure during exhaust and transmits a pressure signal to the control box.
According to one aspect of the invention, the lead bismuth pump comprises a pump shell, a pump shaft and a pump cover, wherein the pump cavity is arranged in the pump shell, the pump shaft is arranged in the pump cavity, the pump cover is sleeved on the pump shaft, and the pump cover is fixed with the pump shell.
According to one aspect of the invention, the liquid level gauge is arranged on the pump cover, a connecting air port is arranged on the pump shell, the inflating part inflates the pump cavity through the connecting air port, and the exhausting part receives exhaust of the pump cavity through the connecting air port.
According to one aspect of the invention, the connection port includes an inflation port through which the inflation portion inflates the pumping chamber, and an exhaust port through which the exhaust portion receives exhaust of the pumping chamber.
According to one aspect of the invention, the pump shell is provided with an air flow duct, and the connecting air port, the air flow duct and the pump cavity are sequentially communicated.
A control method for a liquid level control system of a lead bismuth pump, comprising the steps of:
monitoring the liquid level in the pump cavity through a liquid level meter;
the liquid level meter transmits a liquid level signal to the control box;
the control box controls the inflating part to inflate the pump cavity or controls the exhausting part to receive the exhaust of the pump cavity.
According to one aspect of the invention, the step of controlling the air charging portion to charge the pump chamber or controlling the air discharging portion to receive the air discharged from the pump chamber by the control box includes: the control box controls the inflation valve to be opened, so that the argon tank inflates the pump cavity, or controls the exhaust valve to be opened, so that the argon recovery tank receives the exhaust of the pump cavity.
The implementation of the invention has the advantages that: the liquid level of the liquid lead bismuth alloy in the pump cavity is monitored through a liquid level meter, a liquid level signal is transmitted to a control box, the control box controls an air charging part or an air discharging part to charge air or discharge air into the pump cavity, the air pressure covered by the pump cavity is regulated, and the liquid level height in the pump cavity is controlled by utilizing the pressure difference between the pump cavity and a lead bismuth storage tank, so that the liquid level in the pump cavity is ensured to be stable in a required range; therefore, the system can automatically, quickly and effectively adjust the liquid level of the lead-bismuth medium in the pump cavity, can ensure that the liquid level of the pump cavity is stabilized in a required range, and has quick response; meanwhile, the system has simple overall structure and simple and convenient installation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a lead bismuth loop arrangement according to the present invention;
fig. 2 is a schematic diagram of the connection of the present invention.
The names corresponding to the serial numbers in the figures are as follows:
1. a lead bismuth pump; 11. a pump housing; 111. a pump chamber; 112. the connecting air port; 113. an air flow duct; 114. a shell body; 115. a connecting ring cover; 12. a pump shaft; 13. a pump cover; 14. overhauling and sealing; 15. mechanical sealing; 16. a bearing member; 17. a driving motor; 18. a pump body; 2. a lead bismuth storage tank; 21. an air inlet; 3. a liquid level gauge; 4. a control box; 5. an argon tank; 6. an inflation valve; 7. an argon recovery tank; 8. an exhaust valve; 9. a gas-filled pressure sensor; 10. an exhaust pressure sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, a liquid level control system for a lead bismuth pump is connected to a lead bismuth loop, and a lead bismuth pump 1 and a lead bismuth storage tank 2 are arranged in the lead bismuth loop. The lead bismuth pump 1 comprises a pump shell 11, a pump shaft 12, a pump cover 13, an overhaul seal 14, a mechanical seal 15, a bearing component 16, a driving motor 17 and a pump body 18; the driving motor 17 is arranged at the top of the pump body 18; the pump shell 11, the pump cover 13, the overhaul seal 14, the mechanical seal 15 and the bearing component 16 are sequentially arranged in the pump body 18 from bottom to top; the top of the pump shell 11 is fixed with the pump body 18 through a bolt fastener, and a pump cavity 111 is arranged in the pump shell 11; one end of the pump shaft 12 is connected with the driving motor 17 through a coupling, and the other end of the pump shaft is rotatably arranged in the pump cavity 111; the pump cover 13, the overhaul seal 14, the mechanical seal 15 and the bearing component 16 are sleeved on the pump shaft 12 in sequence from bottom to top; the bottom of the pump cover 13 is fixed with the top of the pump shell 11 through a bolt fastener. The lead-bismuth storage tank 2 is communicated with the pump cavity 111 through a circulating pipeline, and a lead-bismuth medium, namely liquid lead-bismuth alloy, supplied to the pump cavity 111 is arranged in the lead-bismuth storage tank 2; the circulating pipeline is provided with pipeline components such as a control valve for controlling the on-off of the circulating pipeline, a pressure gauge for monitoring the pressure of the circulating pipeline, a connecting flange used as intermediate transitional connection and the like, and the control valve and the pressure gauge can be connected into a total control system together with a control box 4 described below, so that the total control and adjustment are facilitated. The liquid level control system comprises a liquid level meter 3, a control box 4, an inflating part and an exhausting part; the liquid level meter 3 is arranged on the pump cover 13 and is used for monitoring the liquid lead bismuth alloy in the pump cavity 111 and transmitting a liquid level signal thereof, a measuring end below the liquid level meter 3 can be extended into the liquid lead bismuth alloy, and the liquid level meter 3 is connected with the control box 4; the control box 4 is connected to an air charging portion and an air discharging portion, which are respectively communicated with the pump chamber 111.
In practical application, the inflation part comprises an argon gas tank 5, the argon gas tank 5 is communicated with the pump cavity 111 through an inflation pipeline, an inflation valve 6 is arranged on the inflation pipeline, and the inflation valve 6 is connected with the control box 4. The exhaust portion comprises an argon recovery tank 7, the argon recovery tank 7 is communicated with a pump cavity 111 through an exhaust pipeline, an exhaust valve 8 is arranged on the exhaust pipeline, and the exhaust valve 8 is connected with the control box 4. The charging valve 6 and the discharging valve 8 are electric regulating valves, and the opening and closing of the charging valve and the discharging valve are controlled by the control box 4.
In practical application, the inflation pipeline is also provided with an inflation pressure sensor 9, so that the pressure signal in the inflation pipeline can be conveniently monitored and transmitted; the exhaust pipe is also provided with an exhaust pressure sensor 10 which is convenient for monitoring and transmitting pressure signals in the exhaust pipe; the air charging pressure sensor 9 and the air discharging pressure sensor 10 are respectively connected with the control box 4. When the pressure in the air charging pipeline is monitored to be too high or larger, the control box 4 can control the air charging valve 6 to be closed and stop charging, or simultaneously control the air discharging valve 8 to be opened to share the pressure, or control the air charging valve 6 to throttle the air charging pipeline and slow down the air charging pressure; similarly, when the pressure in the exhaust pipeline is monitored to be too high or larger, the control box 4 can control the exhaust valve 8 to close and stop exhausting, or control the exhaust valve 8 to throttle the exhaust pipeline and slow down the exhaust pressure; thus, the air pressure adjustment is safer and more reasonable.
In practical application, the top of the pump shell 11 is provided with a connecting air port 112, one end of the connecting air port 112 is communicated with the pump cavity 111, and the other end of the connecting air port 112 is respectively communicated with an air charging pipeline and an air discharging pipeline. The connection air port 112 comprises an air charging port and an air discharging port, one end of the air charging port is communicated with the pump cavity 111, the other end of the air charging port is communicated with the air charging pipeline, and one end of the air discharging port is communicated with the pump cavity 111, and the other end of the air discharging port is communicated with the air discharging pipeline. The number of the air charging ports and the air discharging ports is not limited.
In practical application, the lead-bismuth storage tank 2 is provided with an air inlet 21, and the air inlet 21 is arranged above the liquid lead-bismuth alloy in the lead-bismuth storage tank 2; the air inlet 21 can be filled with inert gas, and is further matched with the air charging part and the air discharging part, and the liquid level height of the pump cavity 111 is controlled by utilizing the pressure difference between the pump cavity 111 and the lead bismuth storage tank 2.
In practical application, the pump housing 11 includes an integrally formed shell body 114 and a connection ring cover 115, the shell body 114 is generally hollow, and the connection ring cover 115 is annular or shaped like a Chinese character 'hui', and is integrally and concentrically arranged at the top end of the shell body 114; the connecting ring cover 115 is horizontally provided with a cylindrical air flow channel 113 therein, the connecting air port 112 is vertically fixed on the connecting ring cover 115, and the connecting air port 112, the air flow channel 113 and the pump cavity 111 are sequentially communicated. The circulation line has two lines, one in and one out, respectively connected to the bottom and sides of the shell 114. The pump cover 13 is of a rotary part structure, the vertical section of the pump cover 13 is approximately I-shaped or similar to the shape of II, and the bottom of the pump cover 13 is fixed on the connecting ring cover; the pump cover 13 is internally provided with a water cooling cavity or an air cooling cavity, the side surface of the pump cover 13 is provided with a cooling water inlet and outlet communicated with the water cooling cavity or a cold air inlet and outlet communicated with the air cooling cavity, and the pump shaft 12 passes through the water cooling cavity or the air cooling cavity, so that heat insulation cooling is conveniently carried out on the sealing and bearing part 16 above the pump cover 13. The pump cavity 111 is in a columnar cavity shape with a shape like a Chinese character 'hui', and is divided into a concentric inner cavity and an outer cavity which are internally and externally communicated; the bottom end of the pump shaft 12 is rotatably sleeved in the inner cavity, an inner reflecting layer is arranged in the inner cavity, sleeved on the outer ring of the pump shaft 12 and fixed at the bottom of the pump cover 13; an outer reflecting layer is arranged in the outer cavity, sleeved and fixed on the outer ring of the inner cavity, and the bottom measuring end of the liquid level meter 3 penetrates through the outer reflecting layer and stretches into lead bismuth medium in the outer cavity; the inner reflecting layer and the outer reflecting layer are convenient for reflecting and isolating heat from the high-temperature liquid lead bismuth alloy below. The pump body 18 is not limited in structure, is used for installing parts in a pump, can be composed of a column casing at the bottom and a conical casing at the top, can be a steel frame, and is divided into an upper section and a lower section, namely a pump support at the bottom and a motor support at the top, and the motor support is fixedly arranged on the pump support; the drive motor 17 is mounted on a motor bracket, and the pump housing 11 is fixed to the pump bracket. The maintenance seal 14, the mechanical seal 15, the bearing component 16, and the driving motor 17 are all in the prior art, and will not be described again.
A control method for a liquid level control system of a lead bismuth pump, comprising the steps of:
monitoring the liquid level in the pump chamber 111 by a liquid level meter 3;
the liquid level meter 3 transmits a liquid level signal to the control box 4;
when the liquid level signal received by the control box 4 is close to or exceeds the highest preset value (when the liquid level is too high), the control box 4 controls the inflation valve 6 to be opened (simultaneously controls the exhaust valve 8 to be closed), so that the argon gas tank 5 inflates the pump cavity 111;
when the liquid level signal received by the control box 4 is close to or lower than the lowest preset value (when the liquid level is too low), the control box 4 controls the exhaust valve 8 to be opened (and simultaneously controls the inflation valve 6 to be closed), so that the argon recovery tank 7 receives the exhaust of the pump cavity 111;
when the liquid level detected by the liquid level meter 3 returns to the normal working liquid level, a signal is continuously transmitted to the control box 4, and the control box 4 controls the inflation valve 6 and the exhaust valve 8 to be closed, namely, the inflation and the exhaust are stopped.
The working principle of the system is as follows:
when the liquid level meter 3 monitors that the liquid level in the pump cavity 111 is too high, a liquid level signal is transmitted to the control box 4, the control box 4 controls the inflation valve 6 to be opened (at the moment, the exhaust valve 8 is closed), so that the argon gas tank 5 inflates the pump cavity 111 through an inflation pipeline, the air pressure in the pump cavity 111 is increased, and the liquid lead-bismuth alloy in the pump cavity 111 is pressed back into the lead-bismuth storage tank 2 through a circulation pipeline by utilizing the pressure difference between the pump cavity 111 and the lead-bismuth storage tank 2, so that the liquid level of the pump cavity 111 is reduced; on the contrary, when the liquid level meter 3 monitors that the liquid level in the pump cavity 111 is too low, a liquid level signal is transmitted to the control box 4, the control box 4 controls the exhaust valve 8 to open (at the moment, the inflation valve 6 is closed), so that inert gas (argon) in the pump cavity 111 returns to the argon recovery tank 7 through an exhaust pipeline, the pressure in the pump cavity 111 is reduced, and the liquid lead-bismuth alloy in the lead-bismuth storage tank 2 is sent into the pump cavity 111 through a circulation pipeline by utilizing the pressure difference between the pump cavity 111 and the lead-bismuth storage tank 2, so that the liquid level of the pump cavity 111 is improved. Thus, the liquid level of the pump cavity 111 is ensured to be stabilized in a required range through the automatic adjustment control of the system.
The implementation of the invention has the advantages that: the liquid level of the liquid lead bismuth alloy in the pump cavity 111 is monitored through the liquid level meter 3, a liquid level signal is transmitted to the control box 4, the control box 4 controls the air charging part or the air discharging part to charge or discharge air into the pump cavity 111, the air pressure covered by the pump cavity 111 is regulated, and the liquid level height in the pump cavity 111 is controlled by utilizing the pressure difference between the pump cavity 111 and the lead bismuth storage tank 2, so that the liquid level in the pump cavity 111 is ensured to be stable in a required range; thus, the system can automatically, quickly and effectively adjust the liquid level of the lead-bismuth medium in the pump cavity 111, ensure that the liquid level of the pump cavity 111 is stabilized in a required range, and react quickly; meanwhile, the system has simple overall structure and simple and convenient installation.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a liquid level control system for plumbous bismuth pump, links in plumbous bismuth return circuit, be equipped with plumbous bismuth pump (1), plumbous bismuth storage tank (2) in the plumbous bismuth return circuit, be equipped with pump chamber (111) in plumbous bismuth pump (1), pump chamber (111) and plumbous bismuth storage tank (2) intercommunication are equipped with liquid plumbous bismuth alloy in the two, its characterized in that, liquid level control system includes:
a liquid level meter (3), wherein the liquid level meter (3) monitors the liquid level of the pump cavity (111) and transmits a liquid level signal;
the control box (4) receives the liquid level signal and controls the inflation or the exhaust of the pump cavity (111);
an inflation part that inflates the pump chamber (111);
and an exhaust part which receives exhaust gas from the pump chamber (111).
2. A liquid level control system for a lead bismuth pump according to claim 1, characterized in that the charging section comprises an argon tank (5), a charging valve (6), the charging valve (6) being controlled to be opened by a control box (4) so that the argon tank (5) charges the pump chamber (111).
3. A liquid level control system for a lead bismuth pump according to claim 2, characterized in that the exhaust part comprises an argon recovery tank (7), an exhaust valve (8), the exhaust valve (8) being controlled to open by a control box (4) such that the argon recovery tank (7) receives the exhaust of the pump chamber (111).
4. A level control system for a lead bismuth pump according to claim 3, characterized in that the charging section further comprises a charging pressure sensor (9), the charging pressure sensor (9) monitoring the pressure at charging and transmitting a pressure signal to the control box (4); the exhaust part also comprises an exhaust pressure sensor (10), and the exhaust pressure sensor (10) monitors the pressure during exhaust and transmits a pressure signal to the control box (4).
5. The liquid level control system for the lead bismuth pump according to claim 1, wherein the lead bismuth pump (1) comprises a pump shell (11), a pump shaft (12) and a pump cover (13), the pump cavity (111) is arranged in the pump shell (11), the pump shaft (12) is arranged in the pump cavity (111), the pump cover (13) is sleeved on the pump shaft (12), and the pump cover (13) is fixed with the pump shell (11).
6. A liquid level control system for a lead bismuth pump according to claim 5, characterized in that the liquid level meter (3) is mounted on a pump cover (13), the pump housing (11) is provided with a connecting air port (112), the air charging part charges the pump cavity (111) through the connecting air port (112), and the air discharging part receives the air discharged from the pump cavity (111) through the connecting air port (112).
7. The liquid level control system for a lead bismuth pump according to claim 6, wherein the connection port (112) includes an inflation port through which the inflation portion inflates the pump chamber (111), and an exhaust port through which the exhaust portion receives exhaust of the pump chamber (111).
8. The liquid level control system for the lead bismuth pump according to claim 6, wherein the pump shell (11) is provided with an air flow channel (113), and the connecting air port (112), the air flow channel (113) and the pump cavity (111) are sequentially communicated.
9. A control method for a liquid level control system of a lead bismuth pump, comprising the steps of:
monitoring the liquid level in the pump cavity (111) through a liquid level meter (3);
the liquid level meter (3) transmits a liquid level signal to the control box (4);
the control box (4) controls the inflating part to inflate the pump cavity (111) or controls the exhausting part to receive the exhaust of the pump cavity (111).
10. A control method of a liquid level control system for a lead bismuth pump according to claim 9, wherein the step of controlling the control box (4) to control the inflating portion to inflate the pump chamber (111) or the exhausting portion to receive the exhaust gas of the pump chamber (111) includes: the control box (4) controls the inflation valve (6) to be opened so as to enable the argon tank (5) to inflate the pump cavity (111), or controls the exhaust valve (8) to be opened so as to enable the argon recovery tank (7) to receive the exhaust of the pump cavity (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310685945.0A CN116641903A (en) | 2023-06-11 | 2023-06-11 | Liquid level control system for lead bismuth pump and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310685945.0A CN116641903A (en) | 2023-06-11 | 2023-06-11 | Liquid level control system for lead bismuth pump and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116641903A true CN116641903A (en) | 2023-08-25 |
Family
ID=87643326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310685945.0A Pending CN116641903A (en) | 2023-06-11 | 2023-06-11 | Liquid level control system for lead bismuth pump and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116641903A (en) |
-
2023
- 2023-06-11 CN CN202310685945.0A patent/CN116641903A/en active Pending
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