CN110052587A - Crystallizer cooling water control system and method - Google Patents
Crystallizer cooling water control system and method Download PDFInfo
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- CN110052587A CN110052587A CN201910304670.5A CN201910304670A CN110052587A CN 110052587 A CN110052587 A CN 110052587A CN 201910304670 A CN201910304670 A CN 201910304670A CN 110052587 A CN110052587 A CN 110052587A
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- 239000000498 cooling water Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 183
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 238000009749 continuous casting Methods 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000005266 casting Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of crystallizer cooling water control system and methods.The system includes: closed cycle pipeline, heat exchange cooling pipe and controller, wherein closed cycle pipeline is sequentially connected to be formed with inlet pipeline by crystallizer, water return pipeline, and temperature-detecting device is provided on inlet pipeline；Heat exchange cooling pipe is used to exchange heat with the cooling water in closed cycle pipeline, including water inlet supervisor, heat exchanger, return water supervisor, heat exchanger heating agent inlet and outlet are connected on water return pipeline, and refrigerant inlet and outlet pass through pipeline and water inlet supervisor and return water supervisor's connection respectively；Water regulating valve is provided on return water supervisor；Controller is connect with the temperature-detecting device on inlet pipeline, and the aperture of water regulating valve is automatically adjusted according to the water temperature data of detection.The present invention accurately controls cooling water temperature in closed cycle pipeline and guarantees that crystallizer hot-fluid is stablized within the scope of 30~35 DEG C, guarantee cc billet surface quality.
Description
Technical Field
The invention relates to the technical field of metallurgical continuous casting crystallizers, in particular to a crystallizer cooling water control system and method.
Background
The crystallizer is the heart of a continuous casting machine, the solidification and heat transfer of molten steel in the crystallizer are key factors of continuous casting, the continuous casting machine has great influence on the yield and quality of continuous casting, practically almost all defects of a casting blank are formed in the crystallizer, and particularly the generation of the defects on the surface of the casting blank has a more direct relation with the heat transfer of the crystallizer. The casting blank forms a stable and uniform blank shell in the crystallizer, which is a link for controlling the surface quality of continuous casting. The process of crystallization, namely the process of forming a blank shell in the crystallizer by the molten steel, is essentially that the stable control of the heat flux density of the crystallizer is one of the important links of the continuous casting production process. The factors influencing the heat transfer of the crystallizer are many, and can be divided into two categories of crystallizer design parameters and production process parameters in summary. The design parameters of the crystallizer mainly comprise the length, the material, the thickness of a copper plate, the water gap of the crystallizer and the like, and the production process parameters mainly comprise the components of steel, the superheat degree, the lubrication condition of the crystallizer, the water flow rate and the water temperature of the crystallizer and the like.
The cooling strength and uniformity of the cooling water of the crystallizer have important influence on the growth of the blank shell and the surface quality of the plate blank; in actual production, the fluctuation of the cooling water temperature in the steel casting process is also one of important factors influencing the surface quality of the plate blank, and the excessive fluctuation of the cooling water temperature obviously increases the probability of the surface quality defects of the plate blank, such as surface longitudinal cracks, corner cracks and the like. In the running process of the cooling water of the crystallizer, stable and proper water temperature is an important condition for obtaining good surface quality of the plate blank; generally, according to the process requirements, the temperature of cooling water of a crystallizer needs to be stably controlled within the range of 30-35 ℃, and the temperature of the cooling water of the crystallizer is stable, so that the surface quality of a casting blank can be guaranteed.
At present, the cooling water temperature of the crystallizer is ensured to be stable and is developed in succession, the cooling water temperature of the crystallizer comprises a steam heating device, an air cooling device and the like, a certain effect is achieved, but the cooling water temperature of the crystallizer cannot be accurately controlled, the temperature stabilizing effect is not ideal, meanwhile, the occupied area of various devices is large, and the operation cost is also high.
Disclosure of Invention
Based on the problems, the invention aims to provide a crystallizer cooling water control system, which can accurately control the temperature of cooling water of a crystallizer within the range of 30-35 ℃, reduce the temperature fluctuation of the cooling water, and ensure the stability of heat flow of the crystallizer, thereby ensuring the surface quality of a casting blank.
The invention also aims to provide a crystallizer cooling water control method.
The above purpose is realized by the following technical scheme:
according to one aspect of the present invention, there is provided a crystallizer cooling water control system comprising:
the closed circulation pipeline is formed by sequentially communicating a crystallizer, a water return pipeline and a water inlet pipeline; a temperature detection device is arranged on the water inlet pipeline;
the heat exchange cooling pipeline is used for exchanging heat with cooling water in the closed circulation pipeline and comprises a water inlet main pipe, a heat exchanger and a water return main pipe; the heat exchanger is connected to a water return pipeline in the closed circulation pipeline through a heat medium inlet and outlet, and a refrigerant inlet and outlet of the heat exchanger are respectively connected with a water inlet main pipe and a water return main pipe in the heat exchange cooling pipeline through pipelines; a water quantity regulating valve is arranged on the water return main pipe;
and the controller is connected with a temperature detection device on the water inlet pipeline, and the opening degree of the water quantity regulating valve is regulated according to water temperature data detected by the temperature detection device.
Preferably, in the closed-loop circulation pipeline, a branch pipeline communicated with the return pipeline is further arranged on the return pipeline, two ends of the branch pipeline are located on two sides of a heat exchanger on the return pipeline, the branch pipeline is connected with the heat exchanger, and a refrigerant inlet and a refrigerant outlet of the heat exchanger are respectively connected with a water inlet main pipe and a return main pipe in the heat exchange cooling pipeline through pipelines.
More preferably, the branch lines are one or more and arranged in parallel.
Preferably, the heat exchanger on the return pipeline and the heat exchanger on the branch pipeline can be one or more. In particular, it may be selected according to the amount of water and the user's requirements.
According to another aspect of the present invention, there is provided a crystallizer cooling water control method, comprising the steps of:
cooling water flows out of the crystallizer, and exchanges heat with heat exchange cold water in the heat exchange cooling pipeline on the water return pipeline through a heat exchanger; the heat exchange cooling water in the heat exchange cooling pipeline flows into the heat exchanger through the water inlet main pipe and the pipeline and flows out through the pipeline and the water return main pipe; cooling water circulates in a closed circulation pipeline formed by sequentially communicating the crystallizer, the water return pipeline and the water inlet pipeline;
the temperature detection device detects the temperature of cooling water in the closed circulation pipeline in real time, and the controller connected with the temperature detection device adjusts the opening degree of a water quantity adjusting valve on a return water main pipe in the heat exchange cooling pipeline according to the water temperature detected by the temperature detection device, so that the water flow of heat exchange cold water in the heat exchange cooling pipeline is adjusted, and after the water temperature on a return water pipeline of the closed circulation pipeline is 30-35 ℃, the cooling water flows into the crystallizer through a water inlet pipeline in the closed circulation pipeline.
Preferably, the heat exchanger is a plate heat exchanger.
Preferably, the controller controls the opening of the water quantity regulating valve according to a temperature detection device arranged on the water inlet pipeline; when the detected water temperature is lower than 30 ℃, the opening degree of the water quantity regulating valve is reduced, the water flow of heat exchange cold water in the heat exchange cooling pipeline is reduced, and then the temperature of the cooling water in the closed circulation pipeline is raised; when the detected water temperature is higher than 35 ℃, the opening of the water quantity regulating valve is increased, the water flow of heat exchange cold water in the heat exchange cooling pipeline is increased, and then the cooling water in the closed circulation pipeline is cooled.
Compared with the prior art, the crystallizer cooling water control system and method provided by the invention have the following beneficial effects: the invention adopts a heat exchange cooling pipeline to exchange heat with cooling water in a return water pipeline of a closed circulation pipeline through a heat exchanger; the controller is linked with the temperature detection device on the water inlet pipeline of the closed circulation pipeline, and then the controller adjusts the opening degree of the water quantity adjusting valve according to the water temperature data detected by the temperature detection device, so that the water flow is adjusted, the temperature of cooling water in the closed circulation pipeline is accurately controlled, the temperature of the cooling water in the closed circulation pipeline is within the range of 30-35 ℃, the water temperature fluctuation of the cooling water is reduced, the heat flow stability of a crystallizer is ensured, and the surface quality of a continuous casting billet is improved.
The branch pipeline is arranged on the water return pipeline of the closed-loop circulating pipeline and is communicated with the heat exchange cooling pipeline through the heat exchanger, so that the water flow on the water return pipeline is shared, the heated cooling water in the closed-loop circulating pipeline can be cooled more quickly, the heat exchange efficiency is improved, and the water temperature stability of the cooling water in the closed-loop circulating pipeline is further ensured. The two ends of the water quantity regulating valve of the return water main pipe of the heat exchange cooling pipeline are communicated with return water branch pipes, so that the water quantity regulating valve on the return water main pipe can be conveniently overhauled.
Drawings
FIG. 1 is a schematic diagram of the structure of a cooling water control system of a crystallizer according to the present invention.
Description of the labeling:
10 closed circulation pipeline (cooling water is in the pipeline); the system comprises a water return pipeline 11, a water inlet pipeline 12, a temperature detection device 13 and a circulating cooling pump unit 14; 111 branch lines;
20 heat exchange cooling pipelines (heat exchange cold water is in the pipelines); a water inlet main pipe 21, a water return main pipe 22, a heat exchanger 23, a pipeline 24, a temperature detector 25 and a manual butterfly valve 26; 221 return water branch pipes and 222 water quantity regulating valves;
30 a controller.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention:
as shown in fig. 1, the present invention provides a crystallizer cooling water control system, comprising: a closed cycle conduit 10, a heat exchange cooling conduit 20, and a controller 30. Wherein, the crystallizer, the water return pipeline 11 and the water inlet pipeline 12 are communicated in sequence to form a cooling water closed circulation pipeline 10. The water return pipeline 11 is connected with a heat exchanger 23, and the refrigerant inlet and outlet of the heat exchanger 23 are respectively communicated with the water inlet main pipe 21 and the water return main pipe 22 through a pipeline 24 to form a heat exchange cooling pipeline 20, so that heat exchange cold water enters from the water inlet main pipe 21 and flows out from the water return main pipe 22 through the heat exchanger 23, and the cooling water temperature adjusting operation in the water return pipeline 11 is completed.
The heat exchange cold water in the heat exchange cooling pipeline 20 can be circulated, and a closed or open cooling circulation system can be adopted. The invention can adopt a plate heat exchanger for heat exchange, but is not limited to the plate heat exchanger.
A branch pipeline 111 communicated with the return pipeline 11 is arranged on the return pipeline 11, and two ends of the branch pipeline 111 are connected to the return pipelines 11 on two sides of the heat exchanger 23; and the branch pipeline 111 is connected with another heat exchanger 23, and the refrigerant inlet and outlet of the heat exchanger 23 are respectively connected with the water inlet main pipe 21 and the water return main pipe 22 through a pipeline 24, so that heat exchange cold water enters from the water inlet main pipe 21, passes through the heat exchanger 23 and flows out from the water return main pipe 22, and the temperature adjustment operation of the heat exchange cold water on cooling water in the branch pipeline 111 is completed. The branch line 111 may be provided in plural according to the amount of water in the return line 11. The heat exchanger 23 may be provided in plural numbers in accordance with the amount of water in the branch pipe 111, and specifically, may be provided in accordance with the amount of water and the user's demand.
Wherein, the water inlet pipe 12 of the closed circulation pipe 10 is provided with a temperature detection device 13 for detecting the temperature of the cooling water in real time, and the controller 30 adjusts the water amount adjusting valve 222 according to the temperature detection device 13. In addition, the water return pipe 11 of the closed circulation pipe 10 is also provided with a temperature detection device 13 which can be connected with an automatic alarm device, and when the difference between the temperature detected by the temperature detection device 13 and the temperature detected by the temperature detection device 13 on the water inlet pipe 12 is too large, the automatic alarm device is started. A water quantity regulating valve 222 is arranged on the water return main pipe 22 in the heat exchange cooling pipeline 20. The temperature detector 13 on the water inlet pipeline 12 is linked with the water quantity regulating valve 222, and the controller 30 regulates the opening degree of the water quantity regulating valve 222 according to the water temperature data detected by the temperature detector 13 to control the water flow of the heat exchange cold water for heat exchange in the heat exchange cooling pipeline 20, thereby completing the stable regulation of the water temperature of the cooling water in the closed circulation pipeline 10. When the water temperature at the water inlet pipeline 12 is higher than 35 ℃, the opening of the water regulating valve 222 is increased, the flow of heat exchange cooling water is increased, and the temperature of the cooling water in the closed circulation pipeline is reduced to be lower than 35 ℃ and reaches a normal interval of 30-35 ℃; when the water temperature at the water inlet pipeline 12 is lower than 30 ℃, the opening of the water quantity regulating valve 222 is reduced, the flow of the heat exchange cooling water is reduced, and the temperature of the circulating cooling water is reduced to be higher than 30 ℃ so as to reach a normal interval of 30-35 ℃.
In order to facilitate the maintenance and replacement and the on-site observation of operators, manual butterfly valves 26 are respectively arranged on the water return pipeline 11 and the branch pipeline 111 at the inlet and the outlet of the heat exchanger 23 and the pipeline 24 at the inlet and the outlet of the heat exchanger 23; a temperature detector 25 is arranged on the pipeline or the pipeline 24 between the outlet of the heat exchanger 23 and the manual butterfly valve 26.
The closed circulation pipeline 10 is further provided with a circulation cooling pump unit 14, and is located on the water inlet pipeline 12, and is used for completing circulation of cooling water. A pressure display device (PI) is arranged on the water inlet pipeline 12 in front of the circulating cooling pump group 14; a stop valve and a pressure display device are arranged on a water return pipeline 11 at the outlet of the crystallizer; a pressure display device is arranged on a main water inlet pipe 21 in the heat exchange cooling pipeline 20; thereby ensuring the proper pressure of the whole pipeline (the number of the booster pumps can be set to be single or multiple).
In an optional embodiment, in the heat exchange cooling pipeline 20, in order to facilitate the maintenance or replacement of the water amount adjusting valve 222, the two ends of the water amount adjusting valve 222 of the water return main pipe 22 of the heat exchange cooling pipeline 20 are communicated with the water return branch pipe 221, the water return branch pipe 221 is provided with the manual butterfly valve 26, and the two manual butterfly valves 26 are arranged on the water return main pipe 22 between the water return branch pipes 221 and are positioned at the two sides of the water amount adjusting valve 222.
The control method of the crystallizer cooling water control system of the invention is described as follows:
in the continuous casting production process, molten steel is cooled in a crystallizer to form a blank shell, most of heat released in the process is absorbed and taken away by cooling water, the temperature of the cooling water rises, in the water return pipeline 11, the cooling water exchanges heat with heat exchange cold water in the heat exchange cooling pipeline 20 through the heat exchanger 23, the heat is taken away by the heat exchange cold water, then, the temperature of the heat exchange cold water rises in the heat exchange process, and the water heated by the crystallizer is cooled again in the link, so that the cooling water in the water inlet pipeline 12 reaches (is reduced to) the temperature range required by cooling the crystallizer again. In the invention, the closed circulation pipeline 10 is mainly used for taking away heat in molten steel in the crystallizer during production, and the molten steel forms a blank shell in the crystallizer. The heat exchange cooling pipeline 20 cools the water heated by the molten steel in the crystallizer, so that the water in the water inlet pipeline 12 at the left side of the crystallizer reaches the temperature range required by the molten steel cooling, and the molten steel in the crystallizer is cooled circularly.
Wherein, the controller 30 is linked with the temperature detecting device 13 arranged on the crystallizer water inlet pipeline 12, when the detected water temperature signal is lower than 30 ℃, for example, 25 ℃, the opening degree of the water quantity regulating valve 222 is automatically regulated (the opening degree is reduced), and then the water inflow of the heat exchange cold water is reduced, thereby the heating mode of the crystallizer cooling water is started, namely the cooling water absorbs the heat released by the crystallizer, the temperature of the cooling water in the circulation process is increased, for example, the temperature is increased to 32 ℃, thereby the temperature of the crystallizer cooling water is stably controlled within the range of 30-35 ℃, the stability of the heat flow of the crystallizer is ensured, and the surface quality of the casting blank can be ensured.
The controller 30 is interlocked with a temperature detection device 13 arranged on a crystallizer water inlet pipeline 12, when a detected crystallizer cooling water temperature signal is higher than 35 ℃, for example, 42 ℃, the opening degree of a water quantity regulating valve 222 is automatically regulated (the opening degree is increased), the water inlet quantity of heat exchange cold water is increased, and a cooling mode of crystallizer cooling water is implemented, so that the temperature of the cooling water is reduced in a circulation process, for example, the temperature is reduced to 32 ℃, and the temperature of the crystallizer cooling water is stably controlled within the range of 30-35 ℃; the temperature requirement of continuous casting production is met, and the surface longitudinal crack rate of the plate blank is reduced.
Claims (6)
1. A crystallizer cooling water control system, characterized in that the control system comprises:
the closed circulation pipeline is formed by sequentially communicating a crystallizer, a water return pipeline and a water inlet pipeline; a temperature detection device is arranged on the water inlet pipeline;
the heat exchange cooling pipeline is used for exchanging heat with cooling water in the closed circulation pipeline and comprises a water inlet main pipe, a heat exchanger and a water return main pipe; the heat exchanger is connected to a water return pipeline in the closed circulation pipeline through a heat medium inlet and outlet, and a refrigerant inlet and outlet of the heat exchanger are respectively connected with a water inlet main pipe and a water return main pipe in the heat exchange cooling pipeline through pipelines; a water quantity regulating valve is arranged on the water return main pipe;
and the controller is connected with a temperature detection device on the water inlet pipeline, and the opening degree of the water quantity regulating valve is regulated according to water temperature data detected by the temperature detection device.
2. The crystallizer cooling water control system of claim 1, wherein a branch pipeline is further disposed on the return pipeline and is in communication with the return pipeline, and both ends of the branch pipeline are disposed on both sides of a heat exchanger on the return pipeline, a heat exchanger is connected to the branch pipeline, and a refrigerant inlet and a refrigerant outlet of the heat exchanger are respectively connected to a water inlet main pipe and a water return main pipe in the heat exchange cooling pipeline through pipelines.
3. The crystallizer cooling water control system of claim 2, wherein the branch line is one or more.
4. The crystallizer cooling water control system of claim 2, wherein the heat exchanger on the return line and the heat exchanger on the branch line are one or more.
5. A control method for cooling water control by using the crystallizer cooling water control system of claim 1, wherein the control method comprises the following steps:
cooling water flows out of the crystallizer, and exchanges heat with heat exchange cold water in the heat exchange cooling pipeline on the water return pipeline through a heat exchanger; the heat exchange cooling water in the heat exchange cooling pipeline flows into the heat exchanger through the water inlet main pipe and the pipeline and flows out through the pipeline and the water return main pipe; cooling water circulates in a closed circulation pipeline formed by sequentially communicating the crystallizer, the water return pipeline and the water inlet pipeline;
the temperature detection device detects the temperature of cooling water in the closed circulation pipeline in real time, and the controller connected with the temperature detection device adjusts the opening degree of a water quantity adjusting valve on a return water main pipe in the heat exchange cooling pipeline according to the water temperature detected by the temperature detection device, so that the water flow of heat exchange cold water in the heat exchange cooling pipeline is adjusted, the water temperature on the return water pipeline of the closed circulation pipeline is 30-35 ℃, and the cooling water flows into the crystallizer through a water inlet pipeline.
6. The crystallizer cooling water control method of claim 5, wherein the controller controls the opening degree of the water amount adjusting valve according to a temperature detecting device provided on the water inlet line; wherein,
when the detected water temperature is lower than 30 ℃, the opening degree of the water quantity regulating valve is reduced, the water flow of heat exchange cold water in the heat exchange cooling pipeline is reduced, and then the temperature of the cooling water in the closed circulation pipeline is raised;
when the detected water temperature is higher than 35 ℃, the opening of the water quantity regulating valve is increased, the water flow of heat exchange cold water in the heat exchange cooling pipeline is increased, and then the cooling water in the closed circulation pipeline is cooled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910304670.5A CN110052587A (en) | 2019-04-16 | 2019-04-16 | Crystallizer cooling water control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910304670.5A CN110052587A (en) | 2019-04-16 | 2019-04-16 | Crystallizer cooling water control system and method |
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Cited By (8)
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| CN110666126A (en) * | 2019-10-09 | 2020-01-10 | 中国重型机械研究院股份公司 | System and method for stabilizing convection heat exchange coefficient of crystallizer copper plate cooling water |
| CN111864518A (en) * | 2020-06-04 | 2020-10-30 | 东风汽车集团有限公司 | Low-cost laser instrument cooling system |
| CN112439877A (en) * | 2020-11-06 | 2021-03-05 | 上海交通大学 | Mold rapid cooling system and method for aluminum-based piston casting |
| CN113426969A (en) * | 2021-06-16 | 2021-09-24 | 武汉科技大学 | Oil cooling method and oil cooling equipment for crystallizer for continuous casting blank |
| CN113881853A (en) * | 2021-10-15 | 2022-01-04 | 上海西重所重型机械成套有限公司 | Circulating water temperature control device and use method |
| CN113916569A (en) * | 2021-07-22 | 2022-01-11 | 中国北方车辆研究所 | Radiator open type cooling water cleaning and heat exchange quantity stable improvement device |
| CN114293246A (en) * | 2021-12-30 | 2022-04-08 | 中国电子科技集团公司第四十八研究所 | Water flow cooling and flow distribution device for silicon epitaxial equipment |
| CN115555527A (en) * | 2022-11-16 | 2023-01-03 | 常州创明磁性材料科技有限公司 | Pressure regulating system for crystallizer and control method thereof |
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Cited By (13)
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| CN110666126B (en) * | 2019-10-09 | 2024-02-06 | 中国重型机械研究院股份公司 | Method for stabilizing convection heat exchange coefficient of crystallizer copper plate cooling water |
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| CN111864518A (en) * | 2020-06-04 | 2020-10-30 | 东风汽车集团有限公司 | Low-cost laser instrument cooling system |
| CN112439877A (en) * | 2020-11-06 | 2021-03-05 | 上海交通大学 | Mold rapid cooling system and method for aluminum-based piston casting |
| CN112439877B (en) * | 2020-11-06 | 2021-09-28 | 上海交通大学 | Mold rapid cooling system and method for aluminum-based piston casting |
| CN113426969B (en) * | 2021-06-16 | 2022-05-24 | 武汉科技大学 | Oil cooling method and oil cooling device for continuous casting mould |
| CN113426969A (en) * | 2021-06-16 | 2021-09-24 | 武汉科技大学 | Oil cooling method and oil cooling equipment for crystallizer for continuous casting blank |
| CN113916569A (en) * | 2021-07-22 | 2022-01-11 | 中国北方车辆研究所 | Radiator open type cooling water cleaning and heat exchange quantity stable improvement device |
| CN113916569B (en) * | 2021-07-22 | 2023-07-14 | 中国北方车辆研究所 | Radiator open type cooling water cleaning and heat exchange quantity stabilization improvement device |
| CN113881853A (en) * | 2021-10-15 | 2022-01-04 | 上海西重所重型机械成套有限公司 | Circulating water temperature control device and use method |
| CN114293246A (en) * | 2021-12-30 | 2022-04-08 | 中国电子科技集团公司第四十八研究所 | Water flow cooling and flow distribution device for silicon epitaxial equipment |
| CN115555527A (en) * | 2022-11-16 | 2023-01-03 | 常州创明磁性材料科技有限公司 | Pressure regulating system for crystallizer and control method thereof |
| CN115555527B (en) * | 2022-11-16 | 2023-03-24 | 常州创明磁性材料科技有限公司 | Pressure regulating system for crystallizer and control method thereof |
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Application publication date: 20190726 |