CN201844637U - Device for recycling vaporization cold amount of liquid nitrogen - Google Patents
Device for recycling vaporization cold amount of liquid nitrogen Download PDFInfo
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- CN201844637U CN201844637U CN2010205865043U CN201020586504U CN201844637U CN 201844637 U CN201844637 U CN 201844637U CN 2010205865043 U CN2010205865043 U CN 2010205865043U CN 201020586504 U CN201020586504 U CN 201020586504U CN 201844637 U CN201844637 U CN 201844637U
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- heat exchanger
- storage tank
- liquid nitrogen
- vaporizer
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Abstract
The utility model relates to a device for recycling vaporization cold amount of liquid nitrogen. The device comprises a liquid nitrogen storage tank, wherein the liquid nitrogen storage tank is connected with a vaporizer; the periphery of the vaporizer is provided with a protective cover; the bottom of the protective cover is provided with a water collecting pond; the water collecting pond is connected with the water inlet of a water storage tank through a pipeline; a temperature regulating device is arranged in the water storage tank; the water outlet of the water storage tank is connected with the first water inlet of a heat exchanger through a pipeline and a water pump; the first water outlet of the heat exchanger is connected with a spray head; the spray head is arranged above the vaporizer; the second water inlet of the heat exchanger is connected with a water return pipeline of process cooling water; and the second water outlet of the heat exchanger is connected with a water inlet pipe of the process cooling water. The utility model provides a device for recycling vaporization cold amount of the liquid nitrogen, which can optimize the vaporization effect of the liquid nitrogen, and the process cooling water can be obtained without an industrial water cooling unit.
Description
Technical field
The utility model relates to a kind of liquid nitrogen vaporization cold re-use device.
Background technology
Need use a large amount of nitrogen and temperature when at present, solar-energy photo-voltaic cell is produced is 15～25 degrees centigrade technology cooling water.
Wherein the acquisition mode of nitrogen is: become nitrogen after the liquid nitrogen in the liquid nitrogen storage tank is vaporized by vaporizer.The shortcoming that this kind mode exists is: need absorb heat when being converted into nitrogen owing to liquid nitrogen, and produce cold in evaporator surface, so vaporization effect is subjected to the influence of ambient temperature bigger, particularly during winter, evaporator surface can produce serious freezing, thereby influence is used.
The technology cooling water is mainly used in the cooling production equipment.The structure of the preparation facilities of present employed technology cooling water comprises the Cool-water Machine for Industry group, the delivery port of Cool-water Machine for Industry group is connected with first water inlet of heat exchanger, first delivery port of heat exchanger is connected with the water inlet of Cool-water Machine for Industry group, second water inlet of heat exchanger is connected with the water return pipeline of technology cooling water, and second delivery port of heat exchanger is connected with the inlet channel of technology cooling water.Its operation principle is: after the Cool-water Machine for Industry group will be water-cooled to assigned temperature, realize cold and hot exchange by heat exchanger, thereby the backwater of technology cooling water is cooled to assigned temperature that get off for a long time, the energy consumption of Cool-water Machine for Industry group is huge.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of and can optimize the vaporization effect of liquid nitrogen and can need not the liquid nitrogen vaporization cold re-use device that the Cool-water Machine for Industry group just can obtain the technology cooling water.
For addressing the above problem, the technical solution adopted in the utility model is: liquid nitrogen vaporization cold re-use device, comprise liquid nitrogen storage tank, liquid nitrogen storage tank is connected with vaporizer, the outer periphery of vaporizer is equipped with protective cover, the bottom of protective cover is provided with collecting-tank, collecting-tank is connected with the water inlet of storage tank by pipeline, be provided with register in the described storage tank, the delivery port of storage tank is connected with first water inlet of heat exchanger with water pump by pipeline, first delivery port of heat exchanger is connected with shower nozzle, described shower nozzle is arranged on the top of vaporizer, second water inlet of described heat exchanger is connected with the water return pipeline of technology cooling water, and second delivery port of heat exchanger is connected with the inlet channel of technology cooling water.
The structure of described register comprises the heat exchanger that is arranged in the storage tank, the water inlet pipe of heat exchanger is connected with the cold water branched pipe of central air-conditioning, the outlet pipe of heat exchanger is provided with automatic valve, be provided with temperature sensor in the described storage tank, the aperture of described automatic valve changes according to the variation of the signal that temperature sensor detected.
Described shower nozzle be arranged on vaporizer directly over, and the water that shower nozzle sprayed can cover the top of whole vaporizer fully.
The beneficial effects of the utility model are: the cold that is produced when nitrogen is vaporized produces the technology cooling water, and produces the vaporization effect that hot water is used to optimize liquid nitrogen simultaneously by cold and hot exchange.Need not to re-use the Cool-water Machine for Industry group and freeze and obtain the technology cooling water, also reduced the cost of enterprise when having saved the energy.
Description of drawings
Fig. 1 is the structural representation of liquid nitrogen vaporization cold re-use device described in the utility model;
Among the figure: 1, liquid nitrogen storage tank, 2, vaporizer, 3, protective cover, 4, collecting-tank, 5, storage tank, 6, heat exchanger, 7, the cold water branched pipe of central air-conditioning, 8, automatic valve, 9, temperature sensor, 10, water pump, 11, plate type heat exchanger, 12, shower nozzle, 13, the water return pipeline of technology cooling water, 14, the inlet channel of technology cooling water.
The specific embodiment
Below by specific embodiment the utility model liquid nitrogen vaporization cold re-use device is described in further detail.
As shown in Figure 1, liquid nitrogen vaporization cold re-use device, comprise liquid nitrogen storage tank 1, liquid nitrogen storage tank 1 is connected with vaporizer 2, the outer periphery of vaporizer 2 is equipped with protective cover 3, the bottom of protective cover 3 is provided with collecting-tank 4, collecting-tank 4 is connected by the water inlet of pipeline with storage tank 5, be provided with register in the described storage tank 5, the structure of described register comprises the heat exchanger 6 that is arranged in the storage tank 5, the water inlet pipe of heat exchanger 6 is connected with the cold water branched pipe 7 of central air-conditioning, the outlet pipe of heat exchanger 6 is provided with automatic valve 8, be provided with temperature sensor 9 in the described storage tank 5, the aperture of described automatic valve 8 changes according to the variation of the signal that temperature sensor 9 is detected.The delivery port of storage tank 5 is connected with first water inlet of plate type heat exchanger 11 with water pump 10 by pipeline, first delivery port of plate type heat exchanger 11 is connected with shower nozzle 12, described shower nozzle 12 be arranged on vaporizer 2 directly over, and the water that shower nozzle 12 is sprayed can cover the top of whole vaporizer 12 fully, second water inlet of described plate type heat exchanger 11 is connected with the water return pipeline 13 of technology cooling water, and second delivery port of plate type heat exchanger 11 is connected with the inlet channel 14 of technology cooling water.
The beneficial effects of the utility model are: absorb heat when the liquid nitrogen in the liquid nitrogen storage tank 1 is vaporized into nitrogen by vaporizer 2, the hot water that shower nozzle 12 is sprayed becomes cold water, cold water enters storage tank 5 after entering collecting-tank 4, cold water in the storage tank 5 enters plate type heat exchanger 11 by water pump 10, after backwater by the higher technology cooling water of the temperature that enters with second water inlet from plate type heat exchanger 11 carries out cold and hot exchange, first delivery port of plate type heat exchanger 11 produces hot water, hot water is sprayed onto on the vaporizer 2 by shower nozzle 12, so circulation, thus optimized the vaporization effect of liquid nitrogen; Second delivery port of plate type heat exchanger 11 produces cold water, and the established technology cooling water is used to cool off production equipment, freezes and obtains the technology cooling water thereby need not to re-use the Cool-water Machine for Industry group, has also reduced the cost of enterprise when having saved the energy.In addition, can regulate the temperature that enters the cold water of plate type heat exchanger 11 from first water inlet, thereby realize the purpose of control technology cooling water temperature by register.Concrete Principles of Regulation are: the cold water in the cold water branched pipe 7 of central air-conditioning carries out cold and hot exchange by the water in heat exchanger 6 and the storage tank 5, in this process, detect water temperature in the storage tank 5 in real time by temperature sensor 9, and the opening degree that is positioned at the automatic valve 8 on the outlet pipe of heat exchanger 6 by control is controlled the degree of cold and hot exchange, thereby realize the purpose of water temperature in the control storage tank 5, promptly reach the purpose of control technology cooling water temperature.
Claims (3)
1. liquid nitrogen vaporization cold re-use device, comprise liquid nitrogen storage tank, liquid nitrogen storage tank is connected with vaporizer, it is characterized in that: the outer periphery of vaporizer is equipped with protective cover, the bottom of protective cover is provided with collecting-tank, collecting-tank is connected with the water inlet of storage tank by pipeline, be provided with register in the described storage tank, the delivery port of storage tank is connected with first water inlet of heat exchanger with water pump by pipeline, first delivery port of heat exchanger is connected with shower nozzle, described shower nozzle is arranged on the top of vaporizer, second water inlet of described heat exchanger is connected with the water return pipeline of technology cooling water, and second delivery port of heat exchanger is connected with the inlet channel of technology cooling water.
2. liquid nitrogen vaporization cold re-use device according to claim 1, it is characterized in that: the structure of described register comprises the heat exchanger that is arranged in the storage tank, the water inlet pipe of heat exchanger is connected with the cold water branched pipe of central air-conditioning, the outlet pipe of heat exchanger is provided with automatic valve, is provided with temperature sensor in the described storage tank.
3. liquid nitrogen vaporization cold re-use device according to claim 1 and 2, it is characterized in that: the water that described shower nozzle sprayed can cover the top of whole vaporizer fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205865043U CN201844637U (en) | 2010-11-01 | 2010-11-01 | Device for recycling vaporization cold amount of liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205865043U CN201844637U (en) | 2010-11-01 | 2010-11-01 | Device for recycling vaporization cold amount of liquid nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844637U true CN201844637U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205865043U Expired - Lifetime CN201844637U (en) | 2010-11-01 | 2010-11-01 | Device for recycling vaporization cold amount of liquid nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844637U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012141A (en) * | 2010-11-01 | 2011-04-13 | 江苏永能光伏科技有限公司 | Liquid nitrogen vaporization cold recycling device |
| CN102602887A (en) * | 2012-03-23 | 2012-07-25 | 安徽淮化股份有限公司 | Equipment and method for recycling cooling capacity of discharged liquid nitrogen from liquid nitrogen wash |
| CN103105027A (en) * | 2013-02-20 | 2013-05-15 | 中国科学院理化技术研究所 | Cryogenic treatment device with cold energy recovering device |
| CN106608376A (en) * | 2015-10-22 | 2017-05-03 | 北京卫星环境工程研究所 | Immersion type nitrogen thermolator |
| CN114136037A (en) * | 2021-11-25 | 2022-03-04 | 南通恒信达冷冻设备有限公司 | Circuitous inrush current type liquid nitrogen cold energy recovery device |
-
2010
- 2010-11-01 CN CN2010205865043U patent/CN201844637U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012141A (en) * | 2010-11-01 | 2011-04-13 | 江苏永能光伏科技有限公司 | Liquid nitrogen vaporization cold recycling device |
| CN102012141B (en) * | 2010-11-01 | 2012-05-02 | 江苏永能光伏科技有限公司 | Liquid nitrogen vaporization cold recycling device |
| CN102602887A (en) * | 2012-03-23 | 2012-07-25 | 安徽淮化股份有限公司 | Equipment and method for recycling cooling capacity of discharged liquid nitrogen from liquid nitrogen wash |
| CN102602887B (en) * | 2012-03-23 | 2014-03-19 | 安徽淮化股份有限公司 | Equipment and method for recycling cooling capacity of discharged liquid nitrogen from liquid nitrogen wash |
| CN103105027A (en) * | 2013-02-20 | 2013-05-15 | 中国科学院理化技术研究所 | Cryogenic treatment device with cold energy recovering device |
| CN106608376A (en) * | 2015-10-22 | 2017-05-03 | 北京卫星环境工程研究所 | Immersion type nitrogen thermolator |
| CN106608376B (en) * | 2015-10-22 | 2018-08-21 | 北京卫星环境工程研究所 | Immersion type nitrogen thermolator |
| CN114136037A (en) * | 2021-11-25 | 2022-03-04 | 南通恒信达冷冻设备有限公司 | Circuitous inrush current type liquid nitrogen cold energy recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110525 Effective date of abandoning: 20120502 |