CN103712380A - Heat regenerator capable of realizing heat exchange between three streams of fluid and refrigerating system - Google Patents
Heat regenerator capable of realizing heat exchange between three streams of fluid and refrigerating system Download PDFInfo
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- CN103712380A CN103712380A CN201410008647.9A CN201410008647A CN103712380A CN 103712380 A CN103712380 A CN 103712380A CN 201410008647 A CN201410008647 A CN 201410008647A CN 103712380 A CN103712380 A CN 103712380A
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Abstract
The invention discloses a heat regenerator capable of realizing heat exchange between three streams of fluid and a refrigerating system, and provides the heat regenerator and the refrigerating system which are simple in structure and capable of improving system performance. A low-temperature circulation refrigerant liquid distribution chamber, a low-temperature circulation refrigerant liquid collection chamber, a high-temperature circulation refrigerant liquid distribution chamber and a high-temperature circulation refrigerant liquid collection chamber are arranged between a first end cover and a first tube bundle fixing plate in a spaced mode. A low-temperature circulation refrigerant liquid return chamber and a high-temperature circulation refrigerant liquid return chamber are arranged between a second end cover and a second tube bundle fixing plate in a spaced mode. The first end cover is provided with a low-temperature circulation refrigerant liquid inlet connecting pipe, a low-temperature circulation refrigerant liquid outlet connecting pipe, a high-temperature circulation refrigerant liquid inlet connecting pipe and a high-temperature circulation refrigerant liquid outlet connecting pipe. A shell is provided with a refrigerant gas outlet connecting pipe and a refrigerant gas inlet connecting pipe. The heat regenerator can realize heat exchange between three streams of refrigerant fluid, and therefore the performance of the cascade refrigerating system can be improved to a certain degree.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to and a kind ofly can realize three regenerators of fluid streams heat exchange and the folding type cooling system of composition thereof.
Background technology
In kind of refrigeration cycle, adopted cold circulation always favourable to systematic function, degree of supercooling is larger, more favourable to circulation, and adopted the thermal cycle can be favourable to systematic function, also can be unfavorable, because the increase along with the degree of superheat, specific refrigerating effect increases, and than merit, also increases, and the coefficient of performance can increase, also can reduce, this is relevant with the characteristic of cold-producing medium itself.In steam compression type cascade refrigeration system because cryogenic temperature is very low, in order to reduce drop, carry secretly, the impact on compressor such as low temperature, now often in the circulation of low temperature level, use regenerator, make to carry out heat exchange from the refrigerant gas of evaporator outlet with the refrigerant liquid from condenser/evaporator condensation outlet, so that liquid is excessively cold, gas superheat, reach the object that increases systematic function.
Regenerator only has two fluid streams inlet and outlet connectors at present, can only realize two kinds of fluid thermal exchanges, for folding type cooling system, if need backheat, needs high low-temperature circulating that two regenerators are set, complex structure, and system appearance and size strengthens.
Summary of the invention
The object of the invention is for the technological deficiency existing in prior art, and a kind of regenerator that can realize three fluid streams heat exchange is provided.
Another object of the present invention is to provide a kind of simple in structure, can improve the folding type cooling system of systematic function.
For realizing the technical scheme that object of the present invention adopts, be:
A kind of regenerator that can realize three fluid streams heat exchange, comprise housing and with sealed at both ends the first end cap being connected of described housing and the second end cap, described enclosure interior two ends are installed with respectively with the first tube bank fixed head of tubing via hole and the second tube bank fixed head, between described the first end cap and described the first tube bank fixed head, minute be separated with low-temperature circulating refrigerant liquid and divide liquid chamber, low-temperature circulating refrigerant liquid liquid collecting room, high temperature circulation refrigerant liquid divides liquid chamber and high temperature circulation refrigerant liquid liquid collecting room, between described the second end cap and described the second tube bank fixed head, divide and be separated with low-temperature circulating refrigerant liquid return passage and high temperature circulation refrigerant liquid return passage, described enclosure interior is separately installed with through the tubing via hole on described the first tube bank fixed head and the second tube bank fixed head and is communicated with the tube bank that described low-temperature circulating refrigerant liquid divides liquid chamber and low-temperature circulating refrigerant liquid return passage, be communicated with the tube bank of described low-temperature circulating refrigerant liquid liquid collecting room and low-temperature circulating refrigerant liquid return passage, being communicated with described high temperature circulation refrigerant liquid divides the tube bank of liquid chamber and high temperature circulation refrigerant liquid return passage and is communicated with described high temperature circulation refrigerant liquid liquid collecting room and the tube bank of high temperature circulation refrigerant liquid return passage, divide the corresponding described first end of liquid chamber to cover with described low-temperature circulating refrigerant liquid low-temperature circulating refrigerant liquid inlet connection is installed, the described first end corresponding with described low-temperature circulating refrigerant liquid liquid collecting room covers low-temperature circulating refrigerant liquid discharge connection is installed, divide the corresponding first end of liquid chamber to cover with described high temperature circulation refrigerant liquid high temperature circulation refrigerant liquid inlet connection is installed, the described first end corresponding with described high temperature circulation refrigerant liquid liquid collecting room covers high temperature circulation refrigerant liquid discharge connection is installed, the refrigerant gas discharge connection and the refrigerant gas inlet connection that are communicated with described enclosure interior are installed on described housing.
A kind of refrigeration system, comprise low-temperature circulating compressor, high temperature circulation compressor, condenser, evaporimeter, condenser/evaporator, low-temperature circulating choke valve, high temperature circulation choke valve and above-mentioned regenerator, the refrigerant gas discharge connection of described regenerator is connected with the air entry of described low-temperature circulating compressor, the exhaust outlet of described low-temperature circulating compressor is connected with the condensation entrance of described condenser/evaporator, the condensation outlet of described condenser/evaporator is connected with the low-temperature circulating refrigerant liquid inlet connection of described regenerator, the low-temperature circulating refrigerant liquid discharge connection of described regenerator is connected with the refrigerant inlet of described evaporimeter by described low-temperature circulating choke valve, the refrigerant outlet of described evaporimeter is connected with the refrigerant gas inlet connection of described regenerator, the high temperature circulation refrigerant liquid discharge connection of described regenerator is connected with the evaporation entrance of described condenser/evaporator by described high temperature circulation choke valve, the evaporation outlet of described condenser/evaporator is connected with the air entry of described high temperature circulation compressor, the exhaust outlet of described high temperature circulation compressor is connected with the refrigerant inlet of described condenser, the refrigerant outlet of described condenser is connected with the cycle of higher pressure refrigerant liquid inlet connection of described regenerator.
Described the first end cap is connected with described housing seal by gasket seal and screw bolt and nut respectively with the second end cap.
Also comprise gas-liquid separator, the evaporation outlet of described condenser/evaporator is connected with the entrance of gas-liquid separator, and the outlet of described gas-liquid separator is connected with the entrance of described high temperature circulation compressor.
Also comprise high temperature circulation oil eliminator and low-temperature circulating oil eliminator, the entrance of described high temperature circulation oil eliminator is connected with the outlet of described high temperature circulation compressor, the outlet of described high temperature circulation oil eliminator is connected with the entrance of described condenser, the entrance of described low-temperature circulating oil eliminator is connected with the outlet of described low-temperature circulating compressor, and the outlet of described low-temperature circulating oil eliminator is connected with the condensation entrance of described condenser/evaporator.
Also comprise high temperature circulation liquid reservoir and low-temperature circulating liquid reservoir, the outlet of described high temperature circulation liquid reservoir is connected with the entrance of described high temperature circulation choke valve, the entrance of described high temperature circulation liquid reservoir is connected with the cycle of higher pressure refrigerant liquid discharge connection of described regenerator, the outlet of described low-temperature circulating liquid reservoir is connected with the entrance of described low-temperature circulating choke valve, and the entrance of described low-temperature circulating liquid reservoir is connected with described low-temperature circulating refrigerant liquid discharge connection.
Compared with prior art, the invention has the beneficial effects as follows:
1, regenerator of the present invention can be realized the heat exchange of three fluid streams by its structural design, the refrigeration system being formed by this regenerator, can be by respectively from the refrigerant gas of evaporator outlet in steam compressed folding type cooling system, the refrigerant liquid of condenser/evaporator condensation outlet, the refrigerant liquid of condensator outlet carries out heat exchange in regenerator, make the refrigerant gas of evaporator outlet obtain certain degree of superheat, the refrigerant liquid of condenser/evaporator condensation outlet and the refrigerant liquid of condensator outlet obtain certain degree of supercooling, reach the object of elevator system performance.
2, regenerator of the present invention is simple in structure, and operation is convenient.
3, the folding type cooling system that uses regenerator of the present invention to form only need to be used a regenerator just can complete its function, and system architecture is simple, and volume is little, and cost is low.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of refrigeration system of the present invention;
Figure 2 shows that the front view of regenerator of the present invention;
Figure 3 shows that the left view of regenerator of the present invention;
Figure 4 shows that the A-A profile of Fig. 2;
Figure 5 shows that the B-B profile of Fig. 2.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The present invention can realize three fluid streams heat exchange regenerator schematic diagram as Figure 2-Figure 5, comprise housing 15 and with sealed at both ends the first end cap 9 being connected of described housing 15 and the second end cap 12, the inner two ends of described housing 15 are installed with respectively with the first tube bank fixed head 22 of tubing via hole and the second tube bank fixed head 25, between described the first end cap 9 and described the first tube bank fixed head 22, minute be separated with low-temperature circulating refrigerant liquid and divide liquid chamber 24, low-temperature circulating refrigerant liquid liquid collecting room 20, high temperature circulation refrigerant liquid divides liquid chamber 23 and high temperature circulation refrigerant liquid liquid collecting room 21, between described the second end cap 12 and described the second tube bank fixed head 25, divide and be separated with low-temperature circulating refrigerant liquid return passage 27 and high temperature circulation refrigerant liquid return passage 26, described housing 15 inside are separately installed with through the tubing via hole on described the first tube bank fixed head 22 and the second tube bank fixed head 25 and are communicated with the tube bank that described low-temperature circulating refrigerant liquid divides liquid chamber 24 and low-temperature circulating refrigerant liquid return passage 27, be communicated with the tube bank of described low-temperature circulating refrigerant liquid liquid collecting room 20 and low-temperature circulating refrigerant liquid return passage 27, be communicated with the tube bank that described high temperature circulation refrigerant liquid divides the tube bank of liquid chamber 23 and high temperature circulation refrigerant liquid return passage 26 and is communicated with described high temperature circulation refrigerant liquid liquid collecting room 21 and high temperature circulation refrigerant liquid return passage 26, divide on corresponding described the first end cap 9 of liquid chamber 24 low-temperature circulating refrigerant liquid inlet connection 16 is installed with described low-temperature circulating refrigerant liquid, on described the first end cap 9 corresponding with described low-temperature circulating refrigerant liquid liquid collecting room 20, low-temperature circulating refrigerant liquid discharge connection 17 is installed, divide on the first corresponding end cap 9 of liquid chamber 23 high temperature circulation refrigerant liquid inlet connection 18 is installed with described high temperature circulation refrigerant liquid, on described the first end cap 9 corresponding with described high temperature circulation refrigerant liquid liquid collecting room 21, high temperature circulation refrigerant liquid discharge connection 19 is installed, the refrigerant gas discharge connection 10 and the refrigerant gas inlet connection 11 that are communicated with described enclosure interior are installed on described housing.
In the present embodiment, described the first end cap 9 and the second end cap 12 are tightly connected with described housing 15 by gasket seal and bolt 13 and nut 14 respectively.
The schematic diagram of refrigeration system of the present invention as shown in Figure 1, comprise low-temperature circulating compressor 4, high temperature circulation compressor 6, condenser 7, evaporimeter 3, condenser/evaporator 5, low-temperature circulating choke valve 2, regenerator 1 shown in high temperature circulation choke valve 8 and above-mentioned Fig. 2-Fig. 5, the refrigerant gas discharge connection 10 of described regenerator 1 is connected with the air entry of described low-temperature circulating compressor 4, the exhaust outlet of described low-temperature circulating compressor 4 is connected with the condensation entrance of described condenser/evaporator 5, the condensation outlet of described condenser/evaporator 5 is connected with the low-temperature circulating refrigerant liquid inlet connection 16 of described regenerator, the low-temperature circulating refrigerant liquid discharge connection 17 of described regenerator is connected with the refrigerant inlet of described evaporimeter 3 by described low-temperature circulating choke valve 2, the refrigerant outlet of described evaporimeter 3 is connected with the refrigerant gas inlet connection 11 of described regenerator, the cycle of higher pressure refrigerant liquid discharge connection 19 of described regenerator is connected with the evaporation entrance of described condenser/evaporator 5 by described high temperature circulation choke valve 8, the evaporation outlet of described condenser/evaporator 5 is connected with the air entry of described high temperature circulation compressor 6, the exhaust outlet of described high temperature circulation compressor 6 is connected with the refrigerant inlet of described condenser 7, the refrigerant outlet of described condenser 7 is connected with the cycle of higher pressure refrigerant liquid inlet connection 18 of described regenerator.
Refrigeration system of the present invention can increase or reduce the auxiliary equipment of refrigeration machine as the case may be, as increased gas-liquid separator, oil eliminator, liquid reservoir etc., is not limited to system listed in Fig. 1.
When also comprising gas-liquid separator, the evaporation outlet of condenser/evaporator 5 is connected with the entrance of gas-liquid separator, and the outlet of gas-liquid separator is connected with the entrance of high temperature circulation compressor 6.
When also comprising high temperature circulation oil eliminator and low-temperature circulating oil eliminator, the entrance of high temperature circulation oil eliminator is connected with the outlet of high temperature circulation compressor 6, the outlet of high temperature circulation oil eliminator is connected with the entrance of condenser, the entrance of low-temperature circulating oil eliminator is connected with the outlet of low-temperature circulating compressor 4, and the outlet of low-temperature circulating oil eliminator is connected with the condensation entrance of condenser/evaporator 5.
When also comprising high temperature circulation liquid reservoir and low-temperature circulating liquid reservoir, the outlet of high temperature circulation liquid reservoir is connected with the entrance of high temperature circulation choke valve 8, the entrance of high temperature circulation liquid reservoir is connected with the cycle of higher pressure refrigerant liquid discharge connection 19 of regenerator 1, the outlet of low-temperature circulating liquid reservoir is connected with the entrance of low-temperature circulating choke valve 2, and the entrance of low-temperature circulating liquid reservoir is connected with low-temperature circulating refrigerant liquid discharge connection 17.
Described low-temperature refrigerant liquid inlet takes over 16, low-temperature refrigerant liquid outlet takes over 17, the first end cap 9, low-temperature circulating refrigerant liquid divides liquid chamber 24, low-temperature circulating refrigerant liquid liquid collecting room 20, the first tube bank fixed head 22, the second tube bank fixed head 25, low-temperature circulating back flow of refrigerant chamber 27, be communicated with low-temperature circulating cold-producing medium and divide the tube bank of liquid chamber 24 with low-temperature circulating refrigerant liquid return passage 27, be communicated with the tube bank of low-temperature circulating refrigerant liquid return passage 27 and low-temperature circulating refrigerant liquid liquid collecting room 20 and the low-temperature circulating refrigerant liquid heat exchanger components that the second end cap 12 forms a sealing, high temperature refrigerant liquid inlet takes over 18, high temperature refrigerant liquid outlet takes over 19, high temperature circulation refrigerant liquid divides liquid chamber 23, high temperature circulation refrigerant liquid return passage 26, high temperature circulation refrigerant liquid liquid collecting room 21, be communicated with high temperature circulation refrigerant liquid and divide the tube bank of liquid chamber 23 with high temperature circulation refrigerant liquid return passage 26, be communicated with the tube bank of high temperature circulation refrigerant liquid return passage 26 and high temperature circulation refrigerant liquid liquid collecting room 21, the first tube bank fixed head 22, the second tube bank fixed head 25, the first end cap 9 and the second end cap 12 form the high temperature circulation refrigerant liquid heat exchanger components of a sealing.
The low-temperature circulating refrigerant liquid that low-temperature circulating refrigerant liquid enters between the first end cap 9 and the first tube bank fixed head 22 through low-temperature circulating refrigerant liquid inlet connection 16 divides liquid chamber 24, low-temperature circulating refrigerant liquid enters and by being communicated with low-temperature circulating refrigerant liquid, divides the heat exchange tube of the tube bank of liquid chamber 24 and low-temperature circulating refrigerant liquid return passage 27 to flow in the low-temperature circulating refrigerant liquid return passage 27 between the second tube bank fixed head 25 and the second end cap 12, by being communicated with the heat exchanger tube of the tube bank of low-temperature circulating refrigerant liquid return passage 27 and low-temperature circulating refrigerant liquid liquid collecting room 20, flow in the low-temperature circulating refrigerant liquid liquid collecting room 20 between the first end cap 9 and the first tube bank fixed head 22 again, then through low-temperature circulating refrigerant liquid discharge connection 17, flow out regenerator.
The high temperature circulation refrigerant liquid that high temperature circulation refrigerant liquid enters between the first end cap 9 and the first tube bank fixed head 22 through high temperature circulation refrigerant liquid inlet connection 18 divides liquid chamber 23, by being communicated with high temperature circulation refrigerant liquid, divide the heat exchanger tube of the tube bank of liquid chamber 23 and high temperature circulation refrigerant liquid return passage 26 to flow into the high temperature circulation refrigerant liquid return passage 26 between the second tube bank fixed head 25 and the second end cap 12, by being communicated with the tube bank heat exchanger tube of high temperature circulation refrigerant liquid return passage 26 and high temperature circulation refrigerant liquid liquid collecting room 21, flow into high temperature circulation refrigerant liquid liquid collecting room 21 between the first end cap 9 and the first tube bank fixed head 22 again, then through high temperature circulation refrigerant liquid discharge connection 19, flow out regenerator.
Refrigerant gas enters the shell-side space being formed by the first tube bank fixed head 22, the second tube bank fixed head 25 and housing 15 through refrigerant gas inlet connection 11, then from refrigerant gas discharge connection 10, flow out.
The refrigerant liquid from condenser/evaporator 5 condensation outlets and the refrigerant liquid from condenser 7 outlets in described high temperature circulation refrigerant liquid heat exchanger components in described low-temperature circulating refrigerant liquid heat exchanger components carry out heat exchange with carrying out the refrigerant gas of flash-pot 3 outlets in housing 15, wherein refrigerant liquid heat release is excessively cold, and refrigerant gas heat absorption is overheated.
When low-temperature circulating cold-producing medium (such as carbon dioxide) overheated overheated when unfavorable to system to the favourable and high temperature circulation cold-producing medium (such as propane, ammonia) of systematic function, can make low-temperature circulating adopt thermal cycle, can make again from the high temperature refrigerant liquid of condenser and excessively cold from the low-temperature refrigerant liquid of condenser/evaporator condensation outlet, allow three strands of refrigerant fluids carry out heat exchange, thereby can improve to a certain extent the performance of this folding type cooling system.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the regenerator that can realize three fluid streams heat exchange, it is characterized in that, comprise housing (15) and with sealed at both ends the first end cap (9) being connected of described housing (15) and the second end cap (12), the inner two ends of described housing (15) are installed with respectively with the first tube bank fixed head (22) of tubing via hole and the second tube bank fixed head (25), between described the first end cap (9) and described the first tube bank fixed head (22), minute be separated with low-temperature circulating refrigerant liquid and divide liquid chamber (24), low-temperature circulating refrigerant liquid liquid collecting room (20), high temperature circulation refrigerant liquid divides liquid chamber (23) and high temperature circulation refrigerant liquid liquid collecting room (21), between described the second end cap (12) and described the second tube bank fixed head (25), divide and be separated with low-temperature circulating refrigerant liquid return passage (27) and high temperature circulation refrigerant liquid return passage (26), described housing (15) inside is separately installed with through the tubing via hole on described the first tube bank fixed head (22) and the second tube bank fixed head (25) and is communicated with the tube bank that described low-temperature circulating refrigerant liquid divides liquid chamber (24) and low-temperature circulating refrigerant liquid return passage (27), be communicated with the tube bank of described low-temperature circulating refrigerant liquid liquid collecting room (20) and low-temperature circulating refrigerant liquid return passage (27), be communicated with the tube bank that described high temperature circulation refrigerant liquid divides the tube bank of liquid chamber (23) and high temperature circulation refrigerant liquid return passage (26) and is communicated with described high temperature circulation refrigerant liquid liquid collecting room (21) and high temperature circulation refrigerant liquid return passage (26), divide on corresponding described the first end cap (9) of liquid chamber (24) low-temperature circulating refrigerant liquid inlet connection (16) is installed with described low-temperature circulating refrigerant liquid, on described the first end cap (9) corresponding with described low-temperature circulating refrigerant liquid liquid collecting room (20), low-temperature circulating refrigerant liquid discharge connection (17) is installed, divide on corresponding the first end cap (9) of liquid chamber (23) high temperature circulation refrigerant liquid inlet connection (18) is installed with described high temperature circulation refrigerant liquid, on described the first end cap (9) corresponding with described high temperature circulation refrigerant liquid liquid collecting room (21), high temperature circulation refrigerant liquid discharge connection (19) is installed, the refrigerant gas discharge connection (10) and the refrigerant gas inlet connection (11) that are communicated with described enclosure interior are installed on described housing.
2. the regenerator that can realize three fluid streams heat exchange according to claim 1, it is characterized in that, described the first end cap (9) and the second end cap (12) are tightly connected with described housing (15) by gasket seal and bolt (13) and nut (14) respectively.
3. a refrigeration system that contains regenerator described in claim 1, it is characterized in that, comprise low-temperature circulating compressor (4), high temperature circulation compressor (6), condenser (7), evaporimeter (3), condenser/evaporator (5), low-temperature circulating choke valve (2), high temperature circulation choke valve (8) and regenerator claimed in claim 1 (1), the refrigerant gas discharge connection (10) of described regenerator (1) is connected with the air entry of described low-temperature circulating compressor (4), the exhaust outlet of described low-temperature circulating compressor (4) is connected with the condensation entrance of described condenser/evaporator (5), the condensation outlet of described condenser/evaporator (5) is connected with the low-temperature circulating refrigerant liquid inlet connection (16) of described regenerator, the low-temperature circulating refrigerant liquid discharge connection (17) of described regenerator (1) is connected with the refrigerant inlet of described evaporimeter (3) by described low-temperature circulating choke valve (2), the refrigerant outlet of described evaporimeter (3) is connected with the refrigerant gas inlet connection (11) of described regenerator (1), the high temperature circulation refrigerant liquid discharge connection (19) of described regenerator (1) is connected with the evaporation entrance of described condenser/evaporator (5) by described high temperature circulation choke valve (8), the evaporation outlet of described condenser/evaporator (5) is connected with the air entry of described high temperature circulation compressor (6), the exhaust outlet of described high temperature circulation compressor (6) is connected with the refrigerant inlet of described condenser (7), the refrigerant outlet of described condenser (7) is connected with the cycle of higher pressure refrigerant liquid inlet connection (18) of described regenerator.
4. refrigeration system according to claim 3, is characterized in that, described the first end cap (9) and the second end cap (12) are tightly connected with described housing (15) by gasket seal and bolt (13) and nut (14) respectively.
5. according to the refrigeration system described in claim 3 or 4, it is characterized in that, also comprise gas-liquid separator, the evaporation outlet of described condenser/evaporator (5) is connected with the entrance of gas-liquid separator, and the outlet of described gas-liquid separator is connected with the entrance of described high temperature circulation compressor (6).
6. according to the refrigeration system described in claim 3 or 4, it is characterized in that, also comprise high temperature circulation oil eliminator and low-temperature circulating oil eliminator, the entrance of described high temperature circulation oil eliminator is connected with the outlet of described high temperature circulation compressor (6), the outlet of described high temperature circulation oil eliminator is connected with the entrance of described condenser (7), the entrance of described low-temperature circulating oil eliminator is connected with the outlet of described low-temperature circulating compressor (4), and the outlet of described low-temperature circulating oil eliminator is connected with the condensation entrance of described condenser/evaporator (5).
7. according to the refrigeration system described in claim 3 or 4, it is characterized in that, also comprise high temperature circulation liquid reservoir and low-temperature circulating liquid reservoir, the outlet of described high temperature circulation liquid reservoir is connected with the entrance of described high temperature circulation choke valve (8), the entrance of described high temperature circulation liquid reservoir is connected with the cycle of higher pressure refrigerant liquid discharge connection (19) of described regenerator (1), the outlet of described low-temperature circulating liquid reservoir is connected with the entrance of described low-temperature circulating choke valve (2), the entrance of described low-temperature circulating liquid reservoir is connected with described low-temperature circulating refrigerant liquid discharge connection (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410008647.9A CN103712380B (en) | 2014-01-06 | 2014-01-06 | Regenerator and the refrigeration system of three fluid streams heat exchange can be realized |
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| CN201410008647.9A CN103712380B (en) | 2014-01-06 | 2014-01-06 | Regenerator and the refrigeration system of three fluid streams heat exchange can be realized |
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| CN103712380B CN103712380B (en) | 2015-11-04 |
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| CN106679221A (en) * | 2016-11-01 | 2017-05-17 | 广东芬尼克兹节能设备有限公司 | Heat pump unit parallel system and control method thereof |
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Effective date of registration: 20170418 Address after: 528300 Guangdong City, Shunde District, Daliang street, sand bunker Industrial Park, No. 9, block No. 3, one of the buildings on the ground floor, No. five Patentee after: GUANGDONG SHUNDE HUSKY REFRIGERATOR MANUFACTURING CO., LTD. Address before: Tianjin highway 300134 East Tianjin District of Beichen City Patentee before: Tianjin University Of Commerce |
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Address after: 528300 One of the No.3 Workshops of Block 9, Wushakeng Industrial Zone, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Haschi Refrigeration Technology Co., Ltd. Address before: 528300 One of the No.3 Workshops of Block 9, Wushakeng Industrial Zone, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee before: Guangdong Shunde Hashiqi Refrigerator Manufacturing Co., Ltd. |
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Address after: No.1, ying'an Third Road, Jun'an community, Jun'an Town, Shunde District, Foshan City, Guangdong Province, 528329 Patentee after: GUANGDONG HCK REFRIGERATION TECHNOLOGY Co.,Ltd. Address before: 528300 One of the No.3 Workshops of Block 9, Wushakeng Industrial Zone, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG HCK REFRIGERATION TECHNOLOGY Co.,Ltd. |
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