CN102538479B - Device and method for cooling circulating cooling water - Google Patents
Device and method for cooling circulating cooling water Download PDFInfo
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- CN102538479B CN102538479B CN 201210053594 CN201210053594A CN102538479B CN 102538479 B CN102538479 B CN 102538479B CN 201210053594 CN201210053594 CN 201210053594 CN 201210053594 A CN201210053594 A CN 201210053594A CN 102538479 B CN102538479 B CN 102538479B
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Abstract
本发明公开了一种冷却循环冷却水的装置，应用于多晶铸锭炉，多晶铸锭炉包括循环冷却水的进水管道和出水管道，冷却循环冷却水装置包括冷水机组系统，还包括温度控制器和室外循环冷却水系统；室外循环冷却水系统包括第一换热器、第一阀门和冷却塔；温度控制器装设于进水管道的管壁；当室外温度低于第一预设温度时，启动室外循环冷却水系统，当室外温度高于第二预设温度时，启动冷水机组系统。一般在冬季和春季，室外的温度基本上都低于第一预设温度，因此一年有6个月可以使用本发明，本发明充分利用室外环境中的冷源，在室外环境满足条件的情况下，尽量少使用高耗能的冷水机组。本发明还公开了一种冷却循环冷却水的方法。
The invention discloses a device for cooling circulating cooling water, which is applied to a polycrystalline ingot casting furnace. The polycrystalline ingot casting furnace includes a water inlet pipe and an outlet pipe for circulating cooling water. The cooling circulating cooling water device includes a chiller system, and also includes A temperature controller and an outdoor circulating cooling water system; the outdoor circulating cooling water system includes a first heat exchanger, a first valve and a cooling tower; the temperature controller is installed on the wall of the water inlet pipe; when the outdoor temperature is lower than the first preset When the temperature is set, the outdoor circulating cooling water system is started, and when the outdoor temperature is higher than the second preset temperature, the chiller system is started. Generally in winter and spring, the outdoor temperature is basically lower than the first preset temperature, so the present invention can be used for 6 months a year. The present invention makes full use of the cold source in the outdoor environment. Under this circumstance, the chillers with high energy consumption should be used as little as possible. The invention also discloses a method for cooling circulating cooling water.
Description
Technical field
The present invention relates to ingot furnace recirculated cooling water design field, relate in particular to a kind of device and method of cool cycles cooling water.
Background technology
Polycrystalline ingot furnace body of heater in process of production can produce a large amount of waste heats, therefore need utilize 24 ℃ stable recirculated cooling water that its body of heater and electrod assembly are cooled off.24 ℃ recirculated cooling water temperature after the body of heater that cools off the polycrystalline ingot furnace and electrod assembly can rise to about 32 ℃, for the recirculated cooling water water temperature that makes polycrystalline ingot furnace porch remains between 24 ± 1 ℃, just need increase a low-temperature receiver outside the body of heater of polycrystalline ingot furnace, its effect is that the recirculated cooling water of discharging the polycrystalline ingot furnace is cooled off.
At present the low-temperature receiver that often uses of each factory is handpiece Water Chilling Units, and it adopts refrigerant such as R22 freon usually is medium, and handpiece Water Chilling Units can guarantee out that the fluctuating temperature of handpiece Water Chilling Units is constant within 24 ± 1 ℃ along with the variation adjusting handpiece Water Chilling Units load-bearing capacity of ingot casting production capacity.
Use handpiece Water Chilling Units can bring following deficiency in the prior art:
Each factory all uses handpiece Water Chilling Units cool cycles cooling water throughout the year at present, and recirculated cooling water needs a large amount of power consumption driving handpiece Water Chilling Units to freeze, and therefore can consume a large amount of electric power, brings high energy consumption, and the production cost of polycrystalline ingot casting is increased.
Summary of the invention
In view of this, the object of the invention is to provide a kind of EGR and method of recirculated cooling water, to solve the high energy consumption of all using handpiece Water Chilling Units cool cycles cooling water to bring throughout the year, the problem that polycrystalline ingot casting production cost increases.
For achieving the above object, the invention provides following technical scheme:
A kind of device of cool cycles cooling water, be applied to the polycrystalline ingot furnace, described polycrystalline ingot furnace comprises inlet channel and the outlet conduit of recirculated cooling water, and described cool cycles chilled water unit comprises water chilling unit system, also comprises temperature controller and outdoor recirculating cooling water system;
Described outdoor recirculating cooling water system comprises first heat exchanger, first valve and cooling tower;
Described temperature controller is installed in the tube wall of described inlet channel;
When outdoor temperature is lower than first preset temperature, priming chamber outer circulation cooling water system, the recirculated cooling water of discharging from described outlet conduit flows into described first heat exchanger, cooling water in the described cooling tower flows into first heat exchanger by described first valve, described recirculated cooling water in described first heat exchanger with described cooling tower in cooling water flow back to described inlet channel after carrying out heat exchange, described temperature controller is controlled the aperture of described first valve, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range;
When outdoor temperature is higher than second preset temperature, start water chilling unit system.
Preferably, in the device of above-mentioned cool cycles cooling water, described water chilling unit system comprises second heat exchanger, second valve and handpiece Water Chilling Units;
When outdoor temperature is higher than described first preset temperature and be lower than described second preset temperature, start described outdoor recirculating cooling water system and described water chilling unit system simultaneously;
The recirculated cooling water of discharging from described outlet conduit flows into described first heat exchanger and described second heat exchanger respectively;
Cooling water in the described cooling tower flows into first heat exchanger by described first valve, and the cooling water in the described handpiece Water Chilling Units flows into described second heat exchanger by described second valve;
Described recirculated cooling water in described first heat exchanger with described cooling tower in cooling water flow back to described inlet channel after carrying out heat exchange, described recirculated cooling water in described second heat exchanger with described handpiece Water Chilling Units in cooling water flow back to described inlet channel after carrying out heat exchange;
Described temperature controller is controlled the aperture of described first valve and described second valve simultaneously, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range.
Preferably, in the device of above-mentioned cool cycles cooling water, described water chilling unit system comprises second heat exchanger, second valve and handpiece Water Chilling Units;
When outdoor temperature is higher than second preset temperature, starts water chilling unit system and be specially:
The recirculated cooling water of discharging from described outlet conduit flows into described second heat exchanger, cooling water in the described handpiece Water Chilling Units flows into described second heat exchanger by described second valve, described recirculated cooling water in described second heat exchanger with described handpiece Water Chilling Units in cooling water flow back to described inlet channel after carrying out heat exchange, described temperature controller is controlled the aperture of described second valve, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range.
Preferably, in the device of above-mentioned cool cycles cooling water, be equiped with the 3rd valve on the outer pipeline of described first heat exchanger, when outdoor temperature is lower than described first preset temperature, open described the 3rd valve, start described outdoor recirculating cooling water system;
Be equiped with the 4th valve on the outer pipeline of described second heat exchanger, when outdoor temperature is higher than described second preset temperature, open described the 4th valve, start described water chilling unit system.
Preferably, in the device of above-mentioned cool cycles cooling water, when outdoor temperature is higher than described first preset temperature and be lower than described second preset temperature, open described the 3rd valve and described the 4th valve, start described outdoor recirculating cooling water system and described water chilling unit system simultaneously.
The invention also discloses a kind of method of cool cycles cooling water, be applied to the cool cycles chilled water unit, described cool cycles chilled water unit is applied to the cooling of recirculated cooling water in the polycrystalline ingot furnace, described polycrystalline ingot furnace comprises inlet channel and the outlet conduit of recirculated cooling water, the cool cycles chilled water unit comprises water chilling unit system, and described cool cycles chilled water unit also comprises temperature controller and outdoor recirculating cooling water system; Described outdoor recirculating cooling water system comprises first heat exchanger, first valve and cooling tower; Described temperature controller is installed in the tube wall of described inlet channel;
Described method comprises:
When outdoor temperature is lower than first preset temperature, priming chamber outer circulation cooling water system, the recirculated cooling water of discharging from described outlet conduit flows into described first heat exchanger, cooling water in the described cooling tower flows into first heat exchanger by described first valve, described recirculated cooling water in described first heat exchanger with described cooling tower in cooling water flow back to described inlet channel after carrying out heat exchange, described temperature controller is controlled the aperture of described first valve, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range;
When outdoor temperature is higher than second preset temperature, start water chilling unit system.
Preferably, in said method, when outdoor temperature is higher than described first preset temperature and be lower than described second preset temperature, start described outdoor recirculating cooling water system and described water chilling unit system simultaneously; Described water chilling unit system comprises second heat exchanger, second valve and handpiece Water Chilling Units;
The recirculated cooling water of discharging from described outlet conduit flows into described first heat exchanger and described second heat exchanger respectively;
Cooling water in the described cooling tower flows into first heat exchanger by described first valve, and the cooling water in the described handpiece Water Chilling Units flows into described second heat exchanger by described second valve;
Described recirculated cooling water in described first heat exchanger with described cooling tower in cooling water flow back to described inlet channel after carrying out heat exchange, described recirculated cooling water in described second heat exchanger with described handpiece Water Chilling Units in cooling water flow back to described inlet channel after carrying out heat exchange;
Described temperature controller is controlled the aperture of described first valve and described second valve simultaneously, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range.
Preferably, in said method, described water chilling unit system comprises second heat exchanger, second valve and handpiece Water Chilling Units;
When outdoor temperature is higher than second preset temperature, starts water chilling unit system and be specially:
When outdoor temperature is higher than second preset temperature, the recirculated cooling water of discharging from described outlet conduit flows into described second heat exchanger, cooling water in the described handpiece Water Chilling Units flows into described second heat exchanger by described second valve, described recirculated cooling water in described second heat exchanger with described handpiece Water Chilling Units in cooling water flow back to described inlet channel after carrying out heat exchange, described temperature controller is controlled the aperture of described second valve, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range.
Preferably, in said method, be equiped with the 3rd valve on the outer pipeline of described first heat exchanger, when outdoor temperature is lower than described first preset temperature, open described the 3rd valve, start described outdoor recirculating cooling water system;
Be equiped with the 4th valve on the outer pipeline of described second heat exchanger, when outdoor temperature is higher than described second preset temperature, open described the 4th valve, start described water chilling unit system.
Preferably, in said method, when outdoor temperature is higher than described first preset temperature and be lower than described second preset temperature, open described the 3rd valve and described the 4th valve, start described outdoor recirculating cooling water system and described water chilling unit system simultaneously.
Generally in the winter time and spring, outdoor temperature all is lower than 20 ℃ of first preset temperatures basically, therefore there were 6 months in 1 year and can use the present invention, with all use handpiece Water Chilling Units cool cycles cooling water in the prior art throughout the year and compare, the present invention takes full advantage of the low-temperature receiver in the outdoor environment, under the situation that outdoor environment satisfies condition, use the handpiece Water Chilling Units of highly energy-consuming less as far as possible.For example handpiece Water Chilling Units can ensure the stable operation of 20 polycrystalline ingot furnaces, the power of a handpiece Water Chilling Units is at 350KW, that is to say, be lower than at the outdoor environment satisfied temperature under 20 ℃ the condition, but adopt hour power saving 350KW of this programme, it can reduce the use of the handpiece Water Chilling Units of highly energy-consuming, for the polycrystalline ingot casting cuts down the consumption of energy, reduces production costs.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
First structural representation of the recirculated cooling water EGR that Fig. 1 provides for the embodiment of the invention;
Second structural representation of the recirculated cooling water EGR that Fig. 2 provides for the embodiment of the invention;
The 3rd structural representation of the recirculated cooling water EGR that Fig. 3 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
With reference to figure 1, show first structural representation of the recirculated cooling water EGR that the embodiment of the invention provides.
The device of cool cycles cooling water is applied to the polycrystalline ingot furnace, the polycrystalline ingot furnace comprises inlet channel 1 and the outlet conduit 2 of recirculated cooling water, this cool cycles chilled water unit comprises water chilling unit system 3, also comprises temperature controller 4 and outdoor recirculating cooling water system;
Outdoor recirculating cooling water system comprises first heat exchanger 5, first valve 6 and cooling tower 7;
Temperature controller 4 is installed in the tube wall of inlet channel 1;
Wherein, inlet channel 1 is the pipeline between first heat exchanger 5 and the polycrystalline ingot furnace, and outlet conduit 2 is the pipeline between water chilling unit system 3 and the polycrystalline ingot furnace.
When outdoor temperature is lower than first preset temperature, priming chamber outer circulation cooling water system, the recirculated cooling water of discharging from outlet conduit 2 flows into first heat exchanger 5, cooling water in the cooling tower 7 flows into first heat exchanger 5 by first valve 6, recirculated cooling water in first heat exchanger 5 with cooling tower 7 in cooling water flow back to inlet channel 1 after carrying out heat exchange, the aperture of temperature controller 4 controls first valve 6 remains in the preset temperature range water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater;
When outdoor temperature is higher than second preset temperature, start water chilling unit system 3.
Polycrystalline ingot furnace body of heater in process of production can produce a large amount of waste heats, common, need utilize 24 ℃ stable recirculated cooling water that its body of heater and electrod assembly are cooled off, 24 ℃ recirculated cooling water temperature after the body of heater that cools off the polycrystalline ingot furnace and electrod assembly can rise to about 32 ℃, for the recirculated cooling water water temperature that makes polycrystalline ingot furnace porch remains between 24 ± 1 ℃, therefore, above-mentioned first preset temperature can be set to 20 ℃, above-mentioned second preset temperature can be set to 24 ℃, and above-mentioned preset temperature range can be between 24 ± 1 ℃.Generally in the winter time and spring, outdoor temperature all is lower than 20 ℃ of first preset temperatures basically, therefore there were 6 months in 1 year and can use the present invention, with all use handpiece Water Chilling Units cool cycles cooling water in the prior art throughout the year and compare, the present invention takes full advantage of the low-temperature receiver in the outdoor environment, under the situation that outdoor environment satisfies condition, use the handpiece Water Chilling Units of highly energy-consuming less as far as possible.For example handpiece Water Chilling Units can ensure the stable operation of 20 polycrystalline ingot furnaces, the power of a handpiece Water Chilling Units is at 350KW, that is to say, be lower than at the outdoor environment satisfied temperature under 20 ℃ the condition, but adopt hour power saving 350KW of this programme, it can reduce the use of the handpiece Water Chilling Units of highly energy-consuming, for the polycrystalline ingot casting cuts down the consumption of energy, reduces production costs.
With reference to figure 2, show second structural representation of the recirculated cooling water EGR that the embodiment of the invention provides.
When outdoor temperature is higher than first preset temperature (20 ℃) and is lower than second preset temperature (24 ℃), the cooling water system of the priming chamber outer circulation simultaneously water chilling unit system of unifying.Water chilling unit system comprises second heat exchanger 8, second valve 9 and handpiece Water Chilling Units 10.
Concrete, when outdoor temperature is higher than 20 ℃ and when being lower than 24 ℃, the priming chamber outer circulation cooling water system water chilling unit system of unifying simultaneously, the recirculated cooling water of discharging from outlet conduit 2 flows into first heat exchanger 5 and second heat exchanger 8 respectively; Cooling water in the cooling tower 7 flows into first heat exchanger 5 by first valve 6, and the cooling water in the handpiece Water Chilling Units flows into second heat exchanger 8 by second valve 9; Recirculated cooling water in first heat exchanger 5 with cooling tower 7 in cooling water flow back to inlet channel 1 after carrying out heat exchange, recirculated cooling water in second heat exchanger 8 with handpiece Water Chilling Units 10 in cooling water flow back to inlet channel 1 after carrying out heat exchange; Temperature controller 4 is controlled the aperture of first valve 6 and second valve 9 simultaneously, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range (24 ± 1 ℃).
The present invention is under 20 ℃～24 ℃ the situation in outdoor temperature, can utilize the branch process control ability of temperature controller 4 to control first valve 6 and second valve 9, under the low-temperature receiver prerequisite that takes full advantage of outdoor cooling tower 7 generations, re-use the low-temperature receiver that handpiece Water Chilling Units 10 produces, so also can significantly cut down the consumption of energy, reduce production costs.
When outdoor temperature is higher than second preset temperature (24 ℃), start water chilling unit system.Water chilling unit system comprises second heat exchanger 8, second valve 9 and handpiece Water Chilling Units 10.
Concrete, when outdoor temperature is higher than 24 ℃, start water chilling unit system, the recirculated cooling water of discharging from outlet conduit 2 flows into second heat exchanger 8, cooling water in the handpiece Water Chilling Units 10 flows into second heat exchanger 8 by second valve 9, recirculated cooling water in second heat exchanger with handpiece Water Chilling Units in cooling water carry out flowing back to inlet channel 1 after the heat exchange, the aperture of temperature controller 4 controls second valve 9 remains in the preset temperature range (24 ± 1 ℃) water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater.
With reference to figure 3, show second structural representation of the recirculated cooling water EGR that the embodiment of the invention provides.
In the present embodiment, be equiped with the 3rd valve 11 on the pipeline outside first heat exchanger 5, when outdoor temperature is lower than first preset temperature, open the 3rd valve 11, priming chamber outer circulation cooling water system.
Be equiped with the 4th valve 12 on the pipeline outside second heat exchanger 8, when outdoor temperature is higher than second preset temperature, open the 4th valve 12, start water chilling unit system.
When outdoor temperature is higher than first preset temperature and is lower than second preset temperature, open the 3rd valve 11 and the 4th valve 12, the cooling water system of the priming chamber outer circulation simultaneously water chilling unit system of unifying.
The invention also discloses a kind of method of cool cycles cooling water, this method is applied to the cool cycles chilled water unit, the cool cycles chilled water unit is applied to the cooling of recirculated cooling water in the polycrystalline ingot furnace, and the cool cycles chilled water unit in the accompanying drawing 3 can adopt this method to realize the cooling of recirculated cooling water.
The polycrystalline ingot furnace comprises inlet channel 1 and the outlet conduit 2 of recirculated cooling water, and the cool cycles chilled water unit comprises water chilling unit system, and the cool cycles chilled water unit also comprises temperature controller 4 and outdoor recirculating cooling water system; Outdoor recirculating cooling water system comprises first heat exchanger 5, first valve 6 and cooling tower 7; Temperature controller 4 is installed in the tube wall of inlet channel 1;
Said method comprises:
When outdoor temperature is lower than first preset temperature, priming chamber outer circulation cooling water system, the recirculated cooling water of discharging from outlet conduit 2 flows into first heat exchanger 5, cooling water in the cooling tower 7 flows into first heat exchanger 5 by first valve 6, recirculated cooling water in first heat exchanger 5 with cooling tower 7 in cooling water flow back to inlet channel 1 after carrying out heat exchange, temperature controller is controlled the aperture of first valve 6, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range;
When outdoor temperature is higher than second preset temperature, start water chilling unit system.
Polycrystalline ingot furnace body of heater in process of production can produce a large amount of waste heats, common, need utilize 24 ℃ stable recirculated cooling water that its body of heater and electrod assembly are cooled off, 24 ℃ recirculated cooling water temperature after the body of heater that cools off the polycrystalline ingot furnace and electrod assembly can rise to about 32 ℃, for the recirculated cooling water water temperature that makes polycrystalline ingot furnace porch remains between 24 ± 1 ℃, therefore, above-mentioned first preset temperature can be set to 20 ℃, above-mentioned second preset temperature can be set to 24 ℃, and above-mentioned preset temperature range can be between 24 ± 1 ℃.Generally in the winter time and spring, outdoor temperature all is lower than 20 ℃ of first preset temperatures basically, therefore there were 6 months in 1 year and can use the present invention, with all use handpiece Water Chilling Units cool cycles cooling water in the prior art throughout the year and compare, the present invention takes full advantage of the low-temperature receiver in the outdoor environment, under the situation that outdoor environment satisfies condition, use the handpiece Water Chilling Units of highly energy-consuming less as far as possible.For example handpiece Water Chilling Units can ensure the stable operation of 20 polycrystalline ingot furnaces, the power of a handpiece Water Chilling Units is at 350KW, that is to say, be lower than at the outdoor environment satisfied temperature under 20 ℃ the condition, but adopt hour power saving 350KW of this programme, it can reduce the use of the handpiece Water Chilling Units of highly energy-consuming, for the polycrystalline ingot casting cuts down the consumption of energy, reduces production costs.
When outdoor temperature is higher than first preset temperature (20 ℃) and is lower than second preset temperature (24 ℃), start described outdoor recirculating cooling water system and described water chilling unit system simultaneously.Water chilling unit system comprises second heat exchanger 8, second valve 9 and handpiece Water Chilling Units 10.
Concrete, when outdoor temperature is higher than 20 ℃ and when being lower than 24 ℃, the priming chamber outer circulation cooling water system water chilling unit system of unifying simultaneously, the recirculated cooling water of discharging from outlet conduit 2 flows into first heat exchanger 5 and second heat exchanger 8 respectively; Cooling water in the cooling tower 7 flows into first heat exchanger 5 by first valve 6, and the cooling water in the handpiece Water Chilling Units flows into second heat exchanger 8 by second valve 9; Recirculated cooling water in first heat exchanger 5 with cooling tower 7 in cooling water flow back to inlet channel 1 after carrying out heat exchange, recirculated cooling water in second heat exchanger 8 with handpiece Water Chilling Units 10 in cooling water flow back to inlet channel 1 after carrying out heat exchange; Temperature controller 4 is controlled the aperture of first valve 6 and second valve 9 simultaneously, and the water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater is remained in the preset temperature range (24 ± 1 ℃).
The present invention is under 20 ℃～24 ℃ the situation in outdoor temperature, branch process control ability that equally can temperature controller is controlled first valve 6 and second valve 9, under the low-temperature receiver prerequisite that takes full advantage of outdoor cooling tower 7 generations, re-use the low-temperature receiver that handpiece Water Chilling Units produces, so also can significantly cut down the consumption of energy, reduce production costs.
When outdoor temperature is higher than second preset temperature (24 ℃), start water chilling unit system.Water chilling unit system comprises second heat exchanger 8, second valve 9 and handpiece Water Chilling Units 10.
Concrete, when outdoor temperature is higher than 24 ℃, start water chilling unit system, the recirculated cooling water of discharging from outlet conduit 2 flows into second heat exchanger 8, cooling water in the handpiece Water Chilling Units 10 flows into second heat exchanger 8 by second valve, recirculated cooling water in second heat exchanger 8 with handpiece Water Chilling Units 10 in cooling water flow back to inlet channel 1 after carrying out heat exchange, the aperture of temperature controller 4 controls second valve 9 remains in the preset temperature range (24 ± 1 ℃) water temperature that flows into the recirculated cooling water in the polycrystalline ingot furnace body of heater.
In the above-described embodiments, be equiped with the 3rd valve 11 on the pipeline outside first heat exchanger 5, when outdoor temperature is lower than first preset temperature, open the 3rd valve 11, priming chamber outer circulation cooling water system.
Be equiped with the 4th valve 12 on the pipeline outside second heat exchanger 8, when outdoor temperature is higher than second preset temperature, open the 4th valve 12, start water chilling unit system.
When outdoor temperature is higher than first preset temperature and is lower than second preset temperature, open the 3rd valve 11 and the 4th valve 12, the cooling water system of the priming chamber outer circulation simultaneously water chilling unit system of unifying.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
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| CN103388987A (en) * | 2013-08-12 | 2013-11-13 | 青岛圆鑫双金属有限公司 | Cooling system of intermediate frequency furnace and cooling method |
| CN104451865A (en) * | 2013-09-24 | 2015-03-25 | 江苏南荣科技有限公司 | Crystal growth furnace constant-temperature cooling water system |
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| CN105050353B (en) * | 2015-01-19 | 2018-08-14 | 中国科学院等离子体物理研究所 | A kind of testboard pure water cooling circulatory system |
| CN111043818A (en) * | 2018-10-11 | 2020-04-21 | 领凡新能源科技(北京)有限公司 | Cooling water circulation control method and system |
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| CN113606805B (en) * | 2021-08-13 | 2023-04-11 | 上海氢枫能源技术有限公司 | Integrated water chilling unit for hydrogenation station and use method thereof |
| CN114111353B (en) * | 2021-11-29 | 2022-08-02 | 江苏鸿凌达科技有限公司 | Internal circulation cooling water system capable of dynamically adjusting and reducing energy consumption |
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| CN102538479A (en) | 2012-07-04 |
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Effective date of registration: 20190613 Address after: No. 16 Weiliu Road, New Chemical Materials Industrial Park, Shihezi Economic Development Zone, Shihezi City, Xinjiang Uygur Autonomous Region, 832000 Patentee after: Xinjiang DAQO New Energy Co., Ltd. Address before: No. 666 Longdu Avenue, Wanzhou District, Chongqing City, 404000 Patentee before: Chongqing Daqo New Energy Co., Ltd. |