CN101957094A - Open throttling refrigeration device - Google Patents
Open throttling refrigeration device Download PDFInfo
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- CN101957094A CN101957094A CN 201010298100 CN201010298100A CN101957094A CN 101957094 A CN101957094 A CN 101957094A CN 201010298100 CN201010298100 CN 201010298100 CN 201010298100 A CN201010298100 A CN 201010298100A CN 101957094 A CN101957094 A CN 101957094A
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Abstract
The invention relates to an open throttling refrigeration device and belongs to the field of refrigeration. The open throttling refrigeration device comprises a refrigerant storage bottle, a double-pipe heat exchanger, a filter, a solenoid valve, a temperature controller, a capillary tube, a first-level heat exchanger, a constant pressure valve, a second-level heat exchanger, a third-level heat exchanger and an injection pipe. The refrigerant storage bottle, a refrigerant control valve and a thermal fluid pipe inlet end of the double-pipe heat exchanger are connected through pipelines in turn; a thermal fluid pipe outlet end of the double-pipe heat exchanger, the filter, the solenoid valve, the capillary tube, the first-level heat exchanger, the constant pressure valve, the second-level heat exchanger and a cold fluid pipe inlet end of the double-pipe heat exchanger are connected through pipelines in turn; the cold fluid pipe inlet end of the double-pipe heat exchanger, the third-level heat exchanger and the injection pipe are connected through pipelines; a high-voltage pressure gage is arranged between the refrigerant control valve and the pipeline of the double-pipe heat exchanger; and the temperature controller is connected with the solenoid valve through a data line. The open throttling refrigeration device has the characteristics of convenient installation and maintenance, low power consumption, high efficiency, and capacity of meeting different temperature demands.
Description
Technical field
The present invention relates to a kind of open type throttling refrigeration device, belong to refrigerating field.
Background technology
Though mechanical refrigeration has obtained generally using, the mode of directly utilizing the cold-producing medium evaporation to produce refrigerating capacity is still used at some special occasions.As transport the refrigerating system of class, the air-conditioning system in act of rescue place etc.
Such refrigeration system generally is made up of cold-producing medium storage bottle 101, temperature controller 102, magnetic valve 103, evaporimeter 104 etc.Specifically as shown in Figure 1 as the cooling flow of truck refrigerating system.
The cold storage mode of truck refrigerating system is a lot, and wherein a kind of is to utilize liquid nitrogen or liquid carbon dioxide to carry out the freezing and refrigeration of goods.It mainly consists of cold-producing medium basin, control magnetic valve, temperature controller and cold-producing medium branch and gives pipe.Its advantage is: it is convenient to control; Be suitable for promptly freezing; Carbon dioxide after the refrigeration or nitrogen can make oxygen and food completely cut off, and help cargo refrigeration.Shortcoming is: cost is higher; Efficient is lower.
Summary of the invention
The objective of the invention is to have cost height, inefficient problem, and a kind of new open type throttling refrigeration device is provided in order to solve traditional open type throttle refrigeration system.
The objective of the invention is to be achieved through the following technical solutions;
A kind of open type throttling refrigeration device of the present invention comprises: cold-producing medium storage bottle, cold-producing medium control valve, high-pressure manometer, double pipe heat exchanger, filter, magnetic valve, temperature controller, capillary, first-class heat exchanger, constant pressure valve, secondary heat exchanger, three grades of heat exchangers, playpipe; The hot fluid pipe entrance point of cold-producing medium storage bottle, cold-producing medium control valve, double pipe heat exchanger links to each other by pipeline successively, the cold fluid pipe entrance point of the hot fluid pipe port of export of double pipe heat exchanger, filter, magnetic valve, capillary, first-class heat exchanger, constant pressure valve, secondary heat exchanger, double pipe heat exchanger links to each other by pipeline successively, and the cold fluid pipe port of export of double pipe heat exchanger, three grades of heat exchangers, playpipes link to each other by pipeline; Between the pipeline of cold-producing medium control valve and double pipe heat exchanger high-pressure manometer is installed, temperature controller connects magnetic valve by data wire;
Wherein temperature controller is used for the monitoring of environmental temperature, realizes the unlatching of magnetic valve or close in predetermined temperature range.
The course of work: when the temperature that monitors the measured point when temperature controller is higher than the temperature of setting, temperature controller control magnetic valve is opened, cold-producing medium in the refrigerant cylinder is extruded by saturated vapor pressure, filter out impurity by filter, enter throttling in the capillary, enter first-class heat exchanger after the throttling, the evaporation of in first-class heat exchanger, expanding, and with extraneous heat exchange, released cold quantity.By constant pressure valve, enter secondary heat exchanger then, cold-producing medium continues with extraneous heat exchange at secondary heat exchanger, and constant pressure valve is used to control the pressure reduction of first-class heat exchanger and secondary heat exchanger, thereby reaches the evaporating temperature of regulating I and II heat exchanger inner refrigerant.Cold-producing medium after the secondary heat exchanger heat exchange enters double pipe heat exchanger, with after enter refrigeration system cold-producing medium carry out heat exchange, make it become cold cold-producing medium, and then enter three grades of heat exchanger heat exchange, by the playpipe ejection, realize three grades of heat exchange refrigeration at last to environment temperature; When the temperature that monitors the measured point when temperature controller was lower than the temperature of setting, temperature controller control closed electromagnetic valve stopped refrigeration.
Advantage of the present invention:
The refrigeration work process of whole system only temperature controller, magnetic valve needs electric power, so little power consumption, is suitable for interim low-temperature receiver and other interim refrigeration occasions of transport refrigeration, freezer; System does not have the complicated mechanical motion, and is simple in structure, reliability is high.
The present invention has adopted one, two, three heat exchanger mode, can satisfy three kinds of different cryogenic temperature demands; Adopt multistage heat exchange mode step by step, heat exchange efficiency is higher, and the cold-producing medium utilization rate is also higher; The present invention adopts double pipe heat exchanger, and to middle cold recovery, refrigerating efficiency has obtained further raising; The present invention has increased constant pressure valve between the I and II heat exchanger, can carry out the evaporating temperature of I and II heat exchanger and regulate, and makes whole refrigeration system have more adaptability.
Description of drawings
Fig. 1 is traditional mechanical refrigeration system schematic diagram;
Fig. 2 is the structural representation of apparatus of the present invention;
Wherein: 1-cold-producing medium storage bottle; 2-cold-producing medium control valve; The 3-high-pressure manometer; The 4-double pipe heat exchanger; The 5-filter; The 6-magnetic valve; The 7-temperature controller; The 8-capillary; The 9-first-class heat exchanger; The 10-constant pressure valve; The 11-secondary heat exchanger; Three grades of heat exchangers of 12-; The 13-playpipe; 101-cold-producing medium storage bottle, 102-temperature controller, 103-magnetic valve, 104-evaporimeter.
The specific embodiment
Below in conjunction with drawings and Examples content of the present invention is described further.
Embodiment
A kind of open type throttling refrigeration device of the present invention comprises: cold-producing medium storage bottle 1, cold-producing medium control valve 2, high-pressure manometer 3, double pipe heat exchanger 4, filter 5, magnetic valve 6, temperature controller 7, capillary 8, first-class heat exchanger 9, constant pressure valve 10, secondary heat exchanger 11, three grades of heat exchangers 12, playpipe 13.The hot fluid entrance point of cold-producing medium storage bottle 1, cold-producing medium control valve 2, double pipe heat exchanger 4 links to each other by pipeline successively, the cold fluid pipe entrance point of the hot fluid pipe port of export of double pipe heat exchanger 4, filter 5, magnetic valve 6, capillary 8, first-class heat exchanger 9, constant pressure valve 10, secondary heat exchanger 11, double pipe heat exchanger 4 links to each other by pipeline successively, and the cold fluid pipe port of export of double pipe heat exchanger 4, three grades of heat exchangers 12, playpipes 13 link to each other by pipeline.High-pressure manometer 3 is installed between the pipeline of cold-producing medium control valve 2 and double pipe heat exchanger 4, and temperature controller 7 connects magnetic valve 6 by data wire, and wherein temperature controller 7 is used for the monitoring of environmental temperature, the unlatching of control magnetic valve 6 or close.
Working method: cold-producing medium control valve 2 is a normally open, the temperature that monitors the measured point when temperature controller 7 is during greater than the temperature set, temperature controller 7 control magnetic valves 6 are opened, cold-producing medium in the refrigerant cylinder 1 is extruded by saturated vapor pressure, the cold-producing medium control valve 2 (technology valve) of flowing through successively, high-pressure manometer 3, double pipe heat exchanger 4 hot fluid pipes, filter 5, enter first-class heat exchanger 9 behind the magnetic valve 6, the evaporation of in first-class heat exchanger 9, expanding, and with extraneous heat exchange, released cold quantity, then by constant pressure valve 10, enter secondary heat exchanger 11, cold-producing medium continues with extraneous heat exchange at secondary heat exchanger 11, constant pressure valve 10 is used to control the pressure reduction of first-class heat exchanger 9 and secondary heat exchanger 11, thereby reaches control and regulation one, the purpose of secondary heat exchanger inner refrigerant evaporating temperature.Cold-producing medium after secondary heat exchanger 11 heat exchange enters double pipe heat exchanger 4 cold fluid pipes, with after enter double pipe heat exchanger 4 hot fluid pipes cold-producing medium carry out precool heat exchanger, make it become cold cold-producing medium, cold-producing medium enters three grades of heat exchanger 12 heat exchange again after double pipe heat exchanger 4 cold fluid pipes flow out then, by playpipe 13 ejections, realize three grades of heat exchange refrigeration at last to environment temperature; When the temperature that monitors the measured point when temperature controller 7 was lower than the temperature of setting, temperature controller 7 control magnetic valves 6 cut out, and stop refrigeration.
Claims (1)
1. an open type throttling refrigeration device is characterized in that comprising: cold-producing medium storage bottle (1), cold-producing medium control valve (2), high-pressure manometer (3), double pipe heat exchanger (4), filter (5), magnetic valve (6), temperature controller (7), capillary (8), first-class heat exchanger (9), constant pressure valve (10), secondary heat exchanger (11), three grades of heat exchangers (12), playpipe (13); The hot fluid entrance point of cold-producing medium storage bottle (1), cold-producing medium control valve (2), double pipe heat exchanger (4) links to each other by pipeline successively, the cold fluid pipe entrance point of the hot fluid pipe port of export of double pipe heat exchanger (4), filter (5), magnetic valve (6), capillary (8), first-class heat exchanger (9), constant pressure valve (10), secondary heat exchanger (11), double pipe heat exchanger (4) links to each other by pipeline successively, and the cold fluid pipe port of export of double pipe heat exchanger (4), three grades of heat exchangers (12), playpipe (13) link to each other by pipeline; High-pressure manometer (3) is installed between the pipeline of cold-producing medium control valve (2) and double pipe heat exchanger (4), and temperature controller (7) connects magnetic valve (6) by data wire;
The course of work: when the temperature that monitors the measured point when temperature controller (7) is higher than the temperature of setting, temperature controller control magnetic valve (6) is opened, cold-producing medium in the refrigerant cylinder (1) is extruded by saturated vapor pressure, filter out impurity by filter (5), enter throttling in the capillary (8), enter first-class heat exchanger (9) after the throttling, the evaporation of in first-class heat exchanger (9), expanding, and with extraneous heat exchange, released cold quantity; Then by constant pressure valve (10), enter secondary heat exchanger (11), cold-producing medium continues with extraneous heat exchange at secondary heat exchanger (11), and constant pressure valve (10) is used to control the pressure reduction of first-class heat exchanger (9) and secondary heat exchanger (11), thereby regulates the temperature of I and II heat exchanger; Cold-producing medium after the secondary heat exchanger heat exchange enters double pipe heat exchanger (4), with after enter refrigeration system cold-producing medium carry out heat exchange, make it become cold cold-producing medium, and then enter three grades of heat exchangers (12) heat exchange, by playpipe (13) ejection, realize three grades of heat exchange refrigeration at last to environment temperature; When the temperature that monitors the measured point when temperature controller (7) was lower than the temperature of setting, temperature controller (7) control magnetic valve (6) cut out, and stops refrigeration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102981009A CN101957094B (en) | 2010-09-30 | 2010-09-30 | Open throttling refrigeration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102981009A CN101957094B (en) | 2010-09-30 | 2010-09-30 | Open throttling refrigeration device |
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| CN101957094A true CN101957094A (en) | 2011-01-26 |
| CN101957094B CN101957094B (en) | 2012-11-28 |
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| CN2010102981009A Active CN101957094B (en) | 2010-09-30 | 2010-09-30 | Open throttling refrigeration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926048A (en) * | 2019-12-02 | 2020-03-27 | 华晨专用车装备科技（大连）有限公司 | Cage type compressed liquid gas refrigerant refrigerating system device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5119637A (en) * | 1990-12-28 | 1992-06-09 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultra-high temperature stability Joule-Thomson cooler with capability to accommodate pressure variations |
| US5778687A (en) * | 1995-08-01 | 1998-07-14 | The Boc Group Plc | Temperature control |
| WO2008055334A1 (en) * | 2006-11-09 | 2008-05-15 | Daniel Molina Da Silveira | Refrigeration process and installation through combustible gas evaporation |
| CN101509715A (en) * | 2009-03-06 | 2009-08-19 | 江苏润孚机械轧辊制造有限公司 | Liquid nitrogen straightly-spraying cold treatment equipment |
| CN201575547U (en) * | 2009-12-31 | 2010-09-08 | 李志勇 | Stand-alone air conditioner without power supply |
| CN201803516U (en) * | 2010-09-30 | 2011-04-20 | 中国航天科技集团公司第五研究院第五一○研究所 | Open type throttling refrigeration device |
-
2010
- 2010-09-30 CN CN2010102981009A patent/CN101957094B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5119637A (en) * | 1990-12-28 | 1992-06-09 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultra-high temperature stability Joule-Thomson cooler with capability to accommodate pressure variations |
| US5778687A (en) * | 1995-08-01 | 1998-07-14 | The Boc Group Plc | Temperature control |
| WO2008055334A1 (en) * | 2006-11-09 | 2008-05-15 | Daniel Molina Da Silveira | Refrigeration process and installation through combustible gas evaporation |
| CN101509715A (en) * | 2009-03-06 | 2009-08-19 | 江苏润孚机械轧辊制造有限公司 | Liquid nitrogen straightly-spraying cold treatment equipment |
| CN201575547U (en) * | 2009-12-31 | 2010-09-08 | 李志勇 | Stand-alone air conditioner without power supply |
| CN201803516U (en) * | 2010-09-30 | 2011-04-20 | 中国航天科技集团公司第五研究院第五一○研究所 | Open type throttling refrigeration device |
Non-Patent Citations (1)
| Title |
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| 《低温工程》 19990831 孙来燕 等 "大型空间环境模拟器的一种液氮制冷系统" 全文 1 , * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926048A (en) * | 2019-12-02 | 2020-03-27 | 华晨专用车装备科技（大连）有限公司 | Cage type compressed liquid gas refrigerant refrigerating system device |
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| CN101957094B (en) | 2012-11-28 |
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Effective date of registration: 20160602 Address after: 214000 Jiangsu province Wuxi city Wuxi District Linghu Road No. 200 international innovation park G6 sensor network Patentee after: LANZHOU HONGRUI AEROSPACE MECHANICAL AND ELECTRICAL EQUIPMENT CO., LTD. Address before: 730000 Gansu Province Chengguan District of Lanzhou city Weiyuan Road No. 97 Patentee before: No.501Inst., No.5 Academy, China Aerospace Science and Technology Corp. |