CN112726742B - Flow adjusting method for water supply system of electric arc heater - Google Patents
Flow adjusting method for water supply system of electric arc heater Download PDFInfo
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- CN112726742B CN112726742B CN202011583758.4A CN202011583758A CN112726742B CN 112726742 B CN112726742 B CN 112726742B CN 202011583758 A CN202011583758 A CN 202011583758A CN 112726742 B CN112726742 B CN 112726742B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 400
- 238000010891 electric arc Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/04—Domestic or like local pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/12—Arrangements for cooling, sealing or protecting electrodes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B2011/005—Tanks with two or more separate compartments divided by, e.g. a flexible membrane
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a flow regulating method of an electric arc heater water supply system, which comprises the following steps: when the test time exceeds 100s or the arc power is less than 0.5MW and the arc chamber pressure is less than 2MPa, the medium-pressure water pump is used for supplying water alone, the outlet valve of the water pump is opened, the water supply valve of the water bottle is kept in a closed state, the medium-pressure water pump pumps water from the cold water tank and sends the water to the arc heater for cooling the arc heater, the temperature of the cooling water is increased, the temperature of the arc heater is reduced, and the heated cooling water enters the hot water tank through a pipeline. The invention can solve the problems that the water flow of the existing cooling water supply device can not meet the test requirements, the water supply time is limited, and the like, and can change the cooling water supply mode according to different working states of the electric heater, ensure the normal use of the electric arc heater and prolong the service life of the electric arc heater.
Description
Technical Field
The invention relates to the technical field of pneumatic thermal tests, in particular to a flow adjusting method for a water supply system of an electric arc heater.
Background
The arc heater is an important component of a pneumatic thermal test. On the equipment side, the pneumatic thermal test was carried out by means of an arc heater. In the pneumatic thermal test, an electric arc heater is powered by a special high-power high-voltage power supply to perform ablation heating tests on various test models, the high-voltage power supply ionizes compressed air through the electric arc heater to generate plasma, strong heat energy is released, the test models are ablated and heated, meanwhile, a large amount of heat radiation is generated on the electric arc heater, the heat radiation is taken away by cooling water flowing through the heater, and otherwise, the burning loss of the heater can be caused. The existing cooling water supply device comprises a medium-pressure water pump independent water supply device and a high-pressure water bottle independent water supply device, and the water flow of the medium-pressure water pump independent water supply device cannot meet the test requirements when the test power is high; the independent water supply device of the high-pressure water bottle has limited water supply time. The prior art and apparatus do not achieve a good cooling of the arc heater.
Disclosure of Invention
The invention aims to provide a flow regulating method of an electric arc heater water supply system, which can solve the problems that the water flow of the existing cooling water supply device can not meet the test requirements, the water supply time is limited and the like, can change the cooling water supply mode according to different working states of an electric heater, ensures the normal use of the electric arc heater, and prolongs the service life of the electric arc heater.
The invention provides a flow regulating method of an electric arc heater water supply system, which comprises the following steps of 1, regulating by using a flow regulating device of the electric arc heater water supply system, wherein the flow regulating device of the electric arc heater water supply system comprises a water tank, a high-pressure water bottle and an electric arc heater, the high-pressure water bottle is connected with the water tank through a first pipeline, a water bottle water supply valve, a water pump outlet valve and a medium-pressure water pump are sequentially arranged on the first pipeline along the direction far away from the high-pressure water bottle, one end of the electric arc heater is connected with the first pipeline between the water pump outlet valve and the water bottle water supply valve through a second pipeline, the other end of the electric arc heater is connected with the water tank, and the electric arc heater is connected with a power supply; the upper end of the high-pressure water bottle is provided with a first connecting port and a second connecting port, the lower end of the high-pressure water bottle is provided with a third connecting port, the third connecting port is connected with the first pipeline, the first connecting port is connected with a pressure regulating valve through a third pipeline, the second connecting port is connected with a gas stop valve through a fourth pipeline, and the fourth pipeline is provided with a safety valve in parallel; a partition wall is arranged in the water pool and divides the water pool into a cold water pool and a hot water pool;
the flow regulating method of the arc heater water supply system comprises the following steps:
A. when the test time exceeds 100s or the arc power is less than 0.5MW and the arc chamber pressure is less than 2MPa, the medium-pressure water pump is used for supplying water alone, the outlet valve of the water pump is opened, the water supply valve of the water bottle is kept in a closed state, the medium-pressure water pump pumps water from the cold water tank and sends the water to the arc heater for cooling the arc heater, the temperature of the cooling water is increased, the temperature of the arc heater is reduced, and the heated cooling water enters the hot water tank through a pipeline;
B. when the test time is less than or equal to 100s, the high-pressure water bottle independently supplies water, the water is adjusted to the required water pressure to supply water, the water pump outlet valve and the water bottle water supply valve are opened, the medium-pressure water pump pumps water from the cold water tank, after the cooling water at normal pressure and normal temperature is filled into the bottom of the high-pressure water bottle, the water pump outlet valve and the water bottle water supply valve are closed, then high-pressure air is added from the top of the high-pressure water bottle through the pressure regulating valve, the water quantity and pressure required by the test are adjusted, the water bottle water supply valve is opened, the cooling water in the high-pressure water bottle is sent to the electric arc heater to cool the electric arc heater, the temperature of the cooling water rises after flowing through the electric arc heater, and the cooling water enters the hot water tank through a pipeline;
C. when the test time exceeds 100s or the arc power is greater than 0.5MW or the arc chamber pressure is greater than 2MPa, the high-pressure water bottle and the medium-pressure water pump are jointly supplied water, the water pump outlet valve and the water bottle water supply valve are opened, the medium-pressure water pump pumps water from the cold water tank, the water pump outlet valve and the water bottle water supply valve are closed after the cooling water at normal pressure and normal temperature is filled into the bottom of the high-pressure water bottle, high-pressure air is added from the top of the high-pressure water bottle through the pressure regulating valve, the water quantity and pressure required by the test are adjusted, the water pump outlet valve and the water bottle water supply valve are opened simultaneously, the cooling water in the high-pressure water bottle and the cooling water extracted by the medium-pressure water pump simultaneously enter the arc heater through the second pipeline, the arc heater is cooled, the temperature of the arc heater is lowered, the temperature of the cooling water is raised, and the heat on the arc heater is taken away and enters the hot water tank through the pipeline.
Furthermore, the water pump outlet valve is a one-way valve, and the water flow direction of the water pump outlet valve is far away from the water pool.
Further, the water supply valve of the water bottle is a two-way valve.
Furthermore, a fan and a first water pump are arranged on the hot water pool, hot water in the hot water pool is pumped out by the first water pump through a pipeline, a nozzle is arranged at the upper end of the pipeline, and the nozzle is located above the fan.
Furthermore, a second water pump is arranged on the water pool, a hot water pipe and a cold water pipe are arranged at two ends of the second water pump, the hot water pipe is located in the hot water pool, and the cold water pipe is located in the cold water pool.
Further, the high-pressure water bottle is a steel cylindrical sealed pressure container.
Further, the maximum working pressure of the high-pressure water bottle is 10MPa.
According to the technical scheme, the water supply system of the water pump and the water supply system of the high-pressure water bottle are combined to work by arranging the medium-pressure water pump, the water pump outlet valve, the pressure regulating valve, the water bottle water supply valve, the high-pressure water bottle, the gas stop valve and the safety valve, and the problems that the water flow cannot meet the test requirements when the test power of the medium-pressure water pump independent water supply device is high and the water supply time of the high-pressure water bottle independent water supply device is limited are solved. The corresponding cooling water supply scheme can be provided according to different working states of the arc heater, the arc heater is effectively cooled, the normal work of the arc heater is guaranteed, and the service life of the arc heater is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a pool structure according to the present invention;
description of reference numerals: 1-a water tank, 101-a cold water tank, 102-a hot water tank, 103-a first water pump, 104-a nozzle, 105-a fan, 106-a second water pump, 107-a partition wall, 2-a medium pressure water pump, 3-a power supply, 4-an electric arc heater, 5-a water pump outlet valve, 6-a pressure regulating valve, 7-a water bottle water supply valve, 8-a high pressure water bottle, 9-a gas stop valve, 10-a safety valve, 11-a first pipeline, 12-a second pipeline, 13-a third pipeline, 14-a fourth pipeline and 15-a fifth pipeline;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 and 2:
a flow adjusting method of an electric arc heater water supply system structurally comprises a water pool 1, wherein a partition wall 107 is arranged in the water pool 1, and the water pool 1 is divided into a cold water pool 101 and a hot water pool 102 by the partition wall 107. The top of hot-water pond 102 is equipped with fan 105 and shower, is equipped with a plurality of nozzles 104 on the shower, and the one end of shower is sealed, and the other end of shower passes through the inlet tube and the sub-unit connection of hot-water pond 102, is connected with first water pump 103 on the inlet tube, and hot water in hot-water pond 102 is taken out through the inlet tube to first water pump 103, from the upper end blowout of shower. The water tank 1 is provided with a second water pump 106, two ends of the second water pump 106 are provided with a hot water pipe and a cold water pipe, the hot water pipe is positioned in the hot water tank 102, and the cold water pipe is positioned in the cold water tank 101. The design of the water tank 1 realizes the recycling of cooling water and saves water resources. The hot water after heat exchange from the arc heater 4 is collected by the hot water tank 102, the hot water in the hot water tank 102 is transported to a high place by the first water pump 103 and sprayed out by the nozzle 104, heat is released, the temperature of the hot water is reduced, forced convection of the hot water and air is carried out by the fan 105, and the cooling speed of the hot water is accelerated. When the hot water in the hot water tank 102 is cooled to a certain temperature, the water in the hot water tank 102 is pumped to the cold water tank 101 by the second water pump 106, and the water is recycled. One end of the hot water pipe is connected to the second water pump 106, and the other end is located in the hot water, so as to conveniently pump the water in the hot water tank 102. One end of the cold water pipe is connected with the second water pump 106, and the other end of the cold water pipe is only required to ensure that water smoothly enters the cold water pool 101 during transportation. The partition wall 107 is designed to isolate cold water from hot water and prevent the mixing of the two temperatures of water.
The high-pressure water bottle 8 is a steel cylindrical sealed pressure container. The maximum working pressure of the high-pressure water bottle 8 is 10MPa. The upper end of the high-pressure water bottle 8 is provided with a first connecting port and a second connecting port, and the lower end of the high-pressure water bottle 8 is provided with a third connecting port. The third connecting port is connected with a first pipeline 11, the first connecting port is connected with the pressure regulating valve 6 through a third pipeline 13, the second connecting port is connected with the gas stop valve 9 through a fourth pipeline 14, and the fourth pipeline 14 is connected with a safety valve 10 in parallel. The pressure regulating valve 6 is connected with a high-pressure gas inlet pipeline, the gas source pressure of the high-pressure gas inlet pipeline is 20MPa, and the pressure is reduced within a common range of 0-10MPa through the pressure regulating valve 6 to be regulated to a pressure value required by a test. The pressure regulating valve can be a pressure regulating valve product of a TESCOMP brand, and can also be a pressure regulating valve disclosed in a portable small-flow accurate pressure regulating device disclosed in a patent CN 209354715U.
High-pressure water bottle 8 is connected with pond 1 through first pipeline 11, is equipped with water bottle feed valve 7, water pump outlet valve 5 and medium pressure water pump 2 in proper order along keeping away from the direction of high-pressure water bottle 8 on the first pipeline 11, and water pump outlet valve 5 is the check valve, and water pump outlet valve 5's rivers direction is the direction of keeping away from pond 1. The water bottle water supply valve 7 is a two-way valve. One end of the arc heater 4 is connected between the water pump outlet valve 5 and the water bottle water supply valve 7 through a second pipeline 12, the other end of the arc heater 4 is connected with the water pool 1, and the arc heater 4 is connected with the power supply 3. Before the test, the water bottles can pass through the water pump outlet valve 5 and the medium pressure water pump 2, the water pump outlet valve 5 is closed after the cooling water with normal pressure and normal temperature is filled from the bottom of the water bottles in the water tank 1, and then high pressure air can be added from the top of the water bottles through the pressure regulating valve 6. The nature of the liquid determines that the water itself is incompressible, but the pressure of the high pressure air is applied to the water surface of the water bottle, creating high pressure water for use as required by the test. The high-pressure water bottle 8 is provided with a safety valve 10, and in case that the upstream high-pressure air valve is out of control, the safety valve 10 is automatically opened to release air so as to ensure the safety of the water bottle.
When used herein, there are three cases:
when the test time exceeds 100s, or the arc power is less than 0.5MW, and the arc chamber pressure is less than 2MPa, the medium-pressure water pump 2 is used for supplying water alone, the water pump outlet valve 5 is opened, the water bottle water supply valve 7 is kept in a closed state, the medium-pressure water pump 2 pumps water from the cold water tank 101 and sends the water to the arc heater 4 to cool the water, the temperature of the cooling water is increased, the temperature of the arc heater 4 is reduced, and the heated cooling water enters the hot water tank 102 through a pipeline.
When the test time is less than or equal to 100s, the high-pressure water bottle 8 can be used for supplying water independently, and the water is supplied independently after being adjusted to the required water pressure. The method comprises the steps of opening a water pump outlet valve 5 and a water bottle water supply valve 7, pumping water from a water pool 1 by using a medium-pressure water pump 2, after cooling water at normal pressure and normal temperature is filled from the bottom of a water bottle, closing the water pump outlet valve 5 and the water bottle water supply valve 7, adding high-pressure air from the top of the water bottle through a pressure regulating valve 6, adjusting the water quantity and pressure required by a test, opening the water bottle water supply valve, sending the cooling water in a high-pressure water bottle 8 into an electric arc heater 4, cooling the electric arc heater 4, and increasing the temperature after the cooling water flows through the electric arc heater 4 to enter a hot water pool 102 through a pipeline.
When the test time exceeds 100s or the arc power is greater than 0.5MW or the arc chamber pressure is greater than 2MPa, a high-pressure water bottle 8 and a medium-pressure water pump 2 are adopted for supplying water in a combined manner, a water pump outlet valve 5 and a water bottle water supply valve 7 are opened, the medium-pressure water pump 2 is used for pumping water from the water tank 1, after cooling water at normal pressure and normal temperature is filled from the bottom of the water bottle, the water pump outlet valve 5 and the water bottle water supply valve 7 are closed, then high-pressure air can be added from the top of the water bottle through a pressure regulating valve 6, the water quantity and pressure required by the test are adjusted, the water pump outlet valve 5 and the water bottle water supply valve 7 are opened at the same time, the cooling water in the high-pressure water bottle 8 and the cooling water pumped by the medium-pressure water pump 2 simultaneously enter the arc heater 4 through a second pipeline 12, the arc heater 4 is cooled, the temperature of the arc heater 4 is reduced, the temperature of the cooling water is increased, the heat on the arc heater 4 enters a hot water tank 102 through a pipeline, the water in the hot water tank 102 is pumped to a high position through a first water pump 103, a nozzle 104 on the pipeline, a fan 105 is opened, forced convection, the water is accelerated to reduce the temperature of the hot water tank 102, the water in the hot water is circulated to be transported to the cold water tank 101, and the cold water can be used.
According to the invention, through the parallel design of the high-pressure water bottle water supply system and the medium-pressure water pump water supply system, the problems that in the prior art, the water flow cannot meet the test requirements when the test power of the medium-pressure water pump independent water supply device is high and the water supply time of the high-pressure water bottle independent water supply device is limited are solved, different water supply schemes can be adopted according to the working state of the arc heater which is not used, the use is more convenient and flexible, a good cooling effect can be realized on the arc heater, the normal use of the arc heater is ensured, and the service life of the arc heater is prolonged. Through the structural design of the water tank, the cooling water is recycled, and water resources are saved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The method for adjusting the flow of the water supply system of the electric arc heater is characterized in that the flow adjusting device of the water supply system of the electric arc heater is used for adjusting, the flow adjusting device of the water supply system of the electric arc heater comprises a water pool, a high-pressure water bottle and the electric arc heater, the high-pressure water bottle is connected with the water pool through a first pipeline, a water bottle water supply valve, a water pump outlet valve and a medium-pressure water pump are sequentially arranged on the first pipeline along the direction far away from the high-pressure water bottle, one end of the electric arc heater is connected with the first pipeline between the water pump outlet valve and the water bottle water supply valve through a second pipeline, the other end of the electric arc heater is connected with the water pool, and the electric arc heater is connected with a power supply; the upper end of the high-pressure water bottle is provided with a first connecting port and a second connecting port, the lower end of the high-pressure water bottle is provided with a third connecting port, the third connecting port is connected with the first pipeline, the first connecting port is connected with a pressure regulating valve through a third pipeline, the second connecting port is connected with a gas stop valve through a fourth pipeline, and a safety valve is connected to the fourth pipeline in parallel; a partition wall is arranged in the water pool and divides the water pool into a cold water pool and a hot water pool;
the flow regulating method of the arc heater water supply system comprises the following steps:
A. when the test time exceeds 100s or the arc power is less than 0.5MW and the arc chamber pressure is less than 2MPa, the medium-pressure water pump is used for supplying water alone, the outlet valve of the water pump is opened, the water supply valve of the water bottle is kept in a closed state, the medium-pressure water pump pumps water from the cold water tank and sends the water to the arc heater for cooling the arc heater, the temperature of the cooling water is increased, the temperature of the arc heater is reduced, and the heated cooling water enters the hot water tank through a pipeline;
B. when the test time is less than or equal to 100s, the high-pressure water bottle independently supplies water, the water pump outlet valve and the water bottle water supply valve are opened, the medium-pressure water pump pumps water from the cold water tank, the water pump outlet valve and the water bottle water supply valve are closed after the cooling water at normal pressure and normal temperature is filled into the bottom of the high-pressure water bottle, then high-pressure air is added from the top of the high-pressure water bottle through the pressure regulating valve, the water quantity and pressure required by the test are regulated, the water bottle water supply valve is opened, the cooling water in the high-pressure water bottle is sent to the electric arc heater to cool the electric arc heater, the temperature of the cooling water rises after flowing through the electric arc heater, and the cooling water enters the hot water tank through a pipeline;
C. when the test time exceeds 100s or the arc power is greater than 0.5MW or the arc chamber pressure is greater than 2MPa, the high-pressure water bottle and the medium-pressure water pump are jointly supplied water, the water pump outlet valve and the water bottle water supply valve are opened, the medium-pressure water pump pumps water from the cold water tank, the water pump outlet valve and the water bottle water supply valve are closed after the cooling water at normal pressure and normal temperature is filled into the bottom of the high-pressure water bottle, high-pressure air is added from the top of the high-pressure water bottle through the pressure regulating valve, the water quantity and pressure required by the test are adjusted, the water pump outlet valve and the water bottle water supply valve are opened simultaneously, the cooling water in the high-pressure water bottle and the cooling water extracted by the medium-pressure water pump simultaneously enter the arc heater through the second pipeline, the arc heater is cooled, the temperature of the arc heater is lowered, the temperature of the cooling water is raised, and the heat on the arc heater is taken away and enters the hot water tank through the pipeline.
2. The method of claim 1, wherein the outlet valve of the water pump is a one-way valve, and the water flow direction of the outlet valve of the water pump is away from the pool.
3. The method of claim 1, wherein the water supply valve of the water bottle is a two-way valve.
4. The flow regulating method for the water supply system of the electric arc heater as claimed in claim 1, wherein a fan and a first water pump are arranged on the hot water pool, the first water pump pumps hot water in the hot water pool through a pipeline, a nozzle is arranged at the upper end of the pipeline, and the nozzle is positioned above the fan.
5. The method for regulating the flow of the water supply system of the electric arc heater according to claim 1, wherein a second water pump is arranged on the water tank, a hot water pipe and a cold water pipe are arranged at two ends of the second water pump, the hot water pipe is positioned in the hot water tank, and the cold water pipe is positioned in the cold water tank.
6. The method of claim 1, wherein the high-pressure water bottle is a steel cylindrical sealed pressure vessel.
7. The method of claim 1, wherein the maximum operating pressure of the high-pressure water bottle is 10MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011583758.4A CN112726742B (en) | 2020-12-28 | 2020-12-28 | Flow adjusting method for water supply system of electric arc heater |
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| CN202011583758.4A CN112726742B (en) | 2020-12-28 | 2020-12-28 | Flow adjusting method for water supply system of electric arc heater |
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| CN112726742A CN112726742A (en) | 2021-04-30 |
| CN112726742B true CN112726742B (en) | 2022-10-28 |
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| JP3144142B2 (en) * | 1993-04-09 | 2001-03-12 | 石川島播磨重工業株式会社 | Arc heating wind tunnel device |
| CN201366439Y (en) * | 2009-02-17 | 2009-12-23 | 中冶南方工程技术有限公司 | Independent water supply system for hot-rolled high-pressure water pump station |
| CN203741926U (en) * | 2014-02-18 | 2014-07-30 | 中国瑞林工程技术有限公司 | Water supply system of crystallizer of horizontal continuous casting unit |
| CN204058959U (en) * | 2014-08-04 | 2014-12-31 | 天津泰科诺尔毛纺织有限公司 | Lousiness dyeing machine hot and cold water recirculation system |
| CN107152867A (en) * | 2017-05-18 | 2017-09-12 | 中冶京诚工程技术有限公司 | Method for cooling furnace shell of spray type forced air cooling electric arc furnace |
| CN208223276U (en) * | 2018-04-24 | 2018-12-11 | 巨石集团有限公司 | A kind of cooling water temperature control device |
| CN208536582U (en) * | 2018-04-27 | 2019-02-22 | 洛阳利尔中晶光伏材料有限公司 | A kind of electric arc furnaces spray cooling device |
| CN210367567U (en) * | 2019-07-26 | 2020-04-21 | 新能能源有限公司 | Cooling water system of nozzle |
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2020
- 2020-12-28 CN CN202011583758.4A patent/CN112726742B/en active Active
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