CN201662272U - Hot gas deicing and refrigerating system of plate ice machine with three groups of plates - Google Patents
Hot gas deicing and refrigerating system of plate ice machine with three groups of plates Download PDFInfo
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- CN201662272U CN201662272U CN2010201122605U CN201020112260U CN201662272U CN 201662272 U CN201662272 U CN 201662272U CN 2010201122605 U CN2010201122605 U CN 2010201122605U CN 201020112260 U CN201020112260 U CN 201020112260U CN 201662272 U CN201662272 U CN 201662272U
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Abstract
The embodiment of the utility model discloses a hot gas deicing and refrigerating system of a plate ice machine with three groups of plates. The hot air deicing and refrigerating system is characterized in that a bypass electromagnetic valve and a KVC pressure control valve are connected between a refrigerant outlet and a return gas filter outlet of a high-efficiency oil separator therein in sequence; and one end of an economizer in the hot gas deicing and refrigerating system of the plate ice machine with three groups of plates, flowing towards a gas-liquid separator with heat exchange, is provided with a pressure difference electromagnetic valve which is connected with a circulating pipe in parallel. In the hot gas deicing and refrigerating system of the plate ice machine with three groups of plates, the bypass electromagnetic valve ensures gas suction pressure of a refrigerating compressor not to be too low and ensures partial hot gas to be deiced, and the pressure control valve adjusts the openness thereof according to the pressure of a flange valve, ensures the gas suction pressure of the refrigerating compressor to be same as that in the ice-making process, and ensures the stability of the refrigerating system.
Description
Technical field
The utility model relates to refrigeration technology field, more particularly, relates to a kind of three-group plate ice machine hot-gas deicing refrigeration system.
Background technology
At present, existing three-group plate ice machine hot-gas deicing refrigeration system, be divided into the ice making stage and deice the stage, when the process of hot-gas deicing, the refrigerant gas of HTHP passes through in plate slab sheet heat exchanger and deices, become the refrigerant gas of low-temp low-pressure, get back in the band heat exchange gas-liquid separator by short circulation pipe, the refrigerant gas pressure of getting back in the band heat exchange gas-liquid separator is very low, because entering in the refrigeration compressor from band heat exchange gas-liquid separator, refrigerant gas compresses, because the very low refrigeration compressor air suction hypotony that makes of refrigerant gas pressure in the band heat exchange gas-liquid separator, cause the job insecurity of refrigeration compressor, even can stop the work of compressor automatically, it is low to have aggravated to deice in the process refrigerant gas pressure from compressor like this, and Compressor Discharge Pressure is low, can not deice fully, cause whole refrigeration system instability, can not freeze normally.And two groups of plate slab sheet heat exchangers in existing two group plate ice machine hot-gas deicing refrigeration systems independently carry out ice making separately and deice, and refrigerating efficiency is not high, and the existing speed that deices in the process that deices is slow.
The utility model content
In view of this, the utility model provides a kind of three-group plate ice machine hot-gas deicing refrigeration system, and is low to solve in the existing refrigeration system refrigeration compressor air suction pressure, the problem that refrigeration is not high.
For achieving the above object, the utility model provides following technical scheme:
A kind of three-group plate ice machine hot-gas deicing refrigeration system, be connected with bypass solenoid valve and pressure-control valve in turn between the refrigerant outlet of the high-efficiency oil separator in the described three-group plate ice machine hot-gas deicing refrigeration system and the return-air filter outlet, the end that economizer in the described three-group plate ice machine hot-gas deicing refrigeration system flows to band heat exchange gas-liquid separator is provided with the pressure reduction magnetic valve, with the circulation pipe that is parallel with of described pressure reduction magnetic valve.
In above-mentioned three groups of plate ice machine hot-gas deicing refrigeration systems, described pressure-control valve is the KVC pressure-control valve.
In the three-group plate ice machine hot-gas deicing refrigeration system that the utility model provides, bypass solenoid valve guarantees that the pressure of inspiration(Pi) of refrigeration compressor is not too low, guarantee to have the hot gas of part to deice, and the pressure of pressure-control valve after according to its method valve is regulated its aperture, guarantee that the pressure of inspiration(Pi) of refrigeration compressor is identical with pressure in the ice-making process, the stability of the refrigeration system of guaranteeing, be provided with the pressure reduction magnetic valve, the shut off differential pressure magnetic valve can improve high temperature and high pressure gas pressure, increased the speed that system deices, high-temperature gas can flow by exhaust by-pass valve, to guarantee systemic circulation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The three-group plate ice machine hot-gas deicing refrigeration system structural representation that Fig. 1 provides for the utility model embodiment.
The specific embodiment
For quote and know for the purpose of, below label in the accompanying drawing is explained as follows;
1, refrigeration compressor, 2, high-efficiency oil separator, 3, water-cooled condenser, 4, first arm, 5, the economizer magnetic valve, 6, economizer, 7, feed flow pressure reduction magnetic valve, 8, tail spray magnetic valve, 9, band heat exchange gas-liquid separator, 10, first liquid supply electromagnetic valve, 11, first heating power expansion valve, 12, first knockout and capillary, 13, the first plate slab sheet heat exchanger, 14, the first return-air magnetic valve, 15, first liquid supply electromagnetic valve, 16, second heating power expansion valve, 17, second knockout and capillary, 18, the second plate slab sheet heat exchanger, 19, the second return-air magnetic valve, 20, the 3rd liquid supply electromagnetic valve, 21, the 3rd heating power expansion valve, 22, the 3rd knockout and capillary, 23, the 3rd plate slab sheet heat exchanger, 24, the 3rd return-air magnetic valve, 25, the return-air filter, 26, bypass solenoid valve, 27, the second return-air hot gas solenoid valve, 28, the 3rd return-air hot gas solenoid valve, 29, the discharge opeing bucket, 30, liquid outlet electromagnetic valve, 31, add pressure electromagnetic valve, 32, the magnetic valve of finding time, 33, the first return-air hot gas solenoid valve, 34, low liquid-level switch, 35, second arm.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of three-group plate ice machine hot-gas deicing refrigeration system, and is low to solve in the existing refrigeration system refrigeration compressor air suction pressure, the problem that refrigeration is not high.
A kind of three-group plate ice machine hot-gas deicing refrigeration system, as shown in Figure 1, the cold-producing medium output of refrigeration compressor 1 is connected with high-efficiency oil separator 2, high-efficiency oil separator 2 is separated out with the oil in the cold-producing medium and is carried back refrigeration compressor, the cold-producing medium outflow end of high-efficiency oil separator 2 is divided into first arm 4 and second arm 35, wherein first arm 4 is connected with water-cooled condenser 3, the outlet of water-cooled condenser 3 is divided into two arms and is connected on economic 6 two inlets that rise respectively, one of them arm is provided with economizer magnetic valve 5, two outlets of economizer 6 are connected with feed flow differential pressure magnetic valve 7 with refrigeration compressor 1 respectively, the outlet of feed flow pressure reduction magnetic valve 7 is divided into and connects an arm, one of them arm is connected with refrigeration compressor 1 by tail spray magnetic valve 8, another arm is connected with band heat exchange gas-liquid separator 9, the liquid refrigerant output of band heat exchange gas-liquid separator 9 be divided into three arms respectively with first liquid supply electromagnetic valve 10, second liquid supply electromagnetic valve 15 is connected with the 3rd liquid supply electromagnetic valve 20, first liquid supply electromagnetic valve 10 is connected with first knockout and capillary 12 with first heating power expansion valve 11, knockout and capillary 12 are connected with the first plate slab sheet heat exchanger, 13 1 ends, the other end of the first plate slab sheet heat exchanger 13 is connected with the first return-air magnetic valve 14, the first return-air magnetic valve 14 is connected with return-air filter 25, and return-air filter 25 is connected with band heat exchange gas-liquid separator 9; Second liquid supply electromagnetic valve 15 is connected with second heating power expansion valve 16 and second knockout and capillary 17, second knockout and capillary 17 are connected with the second plate slab sheet heat exchanger, 18 1 ends, the other end of the second plate slab sheet heat exchanger 18 is connected with the second return-air magnetic valve 19, the second return-air magnetic valve 19 is connected with return-air filter 25, the 3rd liquid supply electromagnetic valve 20 is connected with the 3rd knockout and capillary 22 with the 3rd heating power expansion valve 21, the 3rd knockout and capillary 22 are connected with an end of the 3rd plate slab sheet heat exchanger 23, the other end of the 3rd plate slab sheet heat exchanger 23 is connected with the 3rd return-air magnetic valve 24, and the 3rd return-air magnetic valve 24 is connected with return-air filter 25.
The port of export of second arm of the cold-producing medium outflow end of high-efficiency oil separator 2 and the first plate slab sheet heat exchanger, 13, the second plate slab sheet heat exchangers 18 and the 3rd plate slab sheet heat exchanger 23 is connected with the first return-air hot gas solenoid valve 33, the second return-air hot gas solenoid valve 27 and the 3rd return-air hot gas solenoid valve 28 between connecting.
The arrival end of return-air filter 25 is connected with discharge opeing bucket 29 by the magnetic valve 32 of finding time, once be in series with bypass solenoid valve 26 and KVC pressure-control valve between second arm of high-efficiency oil separator 2 and 25 outlets of return-air filter, second arm of high-efficiency oil separator 2 is connected with discharge opeing bucket 29 by adding pressure electromagnetic valve 31, the port of export at first heating power expansion valve, be connected with the KVR magnetic valve respectively between the port of export of the port of export of second heating power expansion valve and the 3rd heating power expansion valve and the discharge opeing bucket 29, liquid outlet electromagnetic valve 30 is connected on the pipeline of the discharge opeing bucket 29 and the liquid refrigerant output of band heat exchange gas-liquid separator 9.
Ice making operation: refrigeration compressor, feed flow pressure reduction magnetic valve, first liquid supply electromagnetic valve, second liquid supply electromagnetic valve, the 3rd liquid supply electromagnetic valve, the first return-air magnetic valve, the second return-air magnetic valve and the 3rd return-air magnetic valve are opened, bypass solenoid valve, first liquid supply electromagnetic valve, second liquid supply electromagnetic valve, the 3rd feed flow electromagnetism, the first return-air hot gas solenoid valve, the second return-air hot gas solenoid valve, the 3rd return-air hot gas solenoid valve, the magnetic valve of finding time, add pressure electromagnetic valve, liquid outlet electromagnetic valve is closed, and carries out ice making operation.
Deice operation: open magnetic valve 15-25 kind second of finding time (purpose be make discharge opeing bucket pressure be reduced to than condensing pressure/or the low 3-5bar of high-pressure hot gas pressure), close feed flow pressure reduction magnetic valve, first liquid supply electromagnetic valve, the first return-air magnetic valve, open bypass solenoid valve, the first return-air hot gas solenoid valve, second liquid supply electromagnetic valve, the 3rd liquid supply electromagnetic valve, the second return-air magnetic valve, the 3rd return-air magnetic valve, hot gas enters the first plate slab sheet heat exchanger, the second plate slab sheet heat exchanger and the 3rd plate slab sheet heat exchanger continue ice making operation, close feed flow pressure reduction magnetic valve and improved high-pressure hot gas pressure, bypass solenoid valve guarantees that pressure of inspiration(Pi) is not too low, hot gas enters the first plate slab sheet heat exchanger by the first return-air hot gas solenoid valve, when pressure reaches the KVR setting value, hot gas condensation discharge opeing (being that hot gas is through deicing cooled condensed fluid) enters the discharge opeing bucket, deice finish after, close the first return-air hot gas solenoid valve, bypass solenoid valve, open feed flow pressure reduction magnetic valve, first liquid supply electromagnetic valve, the first return-air magnetic valve, the first plate slab sheet heat exchanger enters the ice making state.Unlatching adds pressure electromagnetic valve and liquid outlet electromagnetic valve is sent the discharge opeing liquid in bucket into the refrigeration system refrigeration, closes to add pressure electromagnetic valve and liquid outlet electromagnetic valve when the 34 report liquid levels of the low liquid-level switch in the discharge opeing bucket are low, stops to the refrigeration system feed flow.
Above-mentionedly be the ice making of the first plate slab sheet heat exchanger and deice process, in like manner, the ice making of the second plate slab sheet heat exchanger, the 3rd plate slab sheet heat exchanger and when deicing, can operate accordingly, native system has only one group of plate slab sheet heat exchanger to deice operation all the time, and other plate slab sheet heat exchanger package are carried out ice making operation.
In the three-group plate ice machine hot-gas deicing refrigeration system that the utility model provides, bypass solenoid valve guarantees that the pressure of inspiration(Pi) of refrigeration compressor is not too low, guarantee to have the hot gas of part to deice, and the pressure of pressure-control valve after according to its method valve is regulated its aperture, guarantee that the pressure of inspiration(Pi) of refrigeration compressor is identical with pressure in the ice-making process, the stability of the refrigeration system of guaranteeing.
Three-group plate ice machine hot-gas deicing refrigeration system in the utility model has one group of plate ice machine to deice, and other two groups of plate ice machines deice, and have increased the refrigerating capacity of refrigeration system.Be provided with the pressure reduction magnetic valve, the shut off differential pressure magnetic valve can improve high temperature and high pressure gas pressure, has increased the speed that system deices, and high-temperature gas can flow by exhaust by-pass valve, to guarantee systemic circulation.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. three-group plate ice machine hot-gas deicing refrigeration system, it is characterized in that, be connected with bypass solenoid valve and pressure-control valve in turn between the refrigerant outlet of the high-efficiency oil separator in the described three-group plate ice machine hot-gas deicing refrigeration system and the return-air filter outlet, the end that economizer in the described three-group plate ice machine hot-gas deicing refrigeration system flows to band heat exchange gas-liquid separator is provided with the pressure reduction magnetic valve, with the circulation pipe that is parallel with of described pressure reduction magnetic valve.
2. three groups of plate ice machine hot-gas deicing refrigeration systems according to claim 1 is characterized in that described pressure-control valve is the KVC pressure-control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122605U CN201662272U (en) | 2010-02-11 | 2010-02-11 | Hot gas deicing and refrigerating system of plate ice machine with three groups of plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122605U CN201662272U (en) | 2010-02-11 | 2010-02-11 | Hot gas deicing and refrigerating system of plate ice machine with three groups of plates |
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| CN201662272U true CN201662272U (en) | 2010-12-01 |
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| CN2010201122605U Expired - Fee Related CN201662272U (en) | 2010-02-11 | 2010-02-11 | Hot gas deicing and refrigerating system of plate ice machine with three groups of plates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818958A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Three-group plate ice machine hot-gas deicing refrigeration system |
| US10823472B2 (en) | 2015-12-08 | 2020-11-03 | Carrier Corporation | Refrigeration system and controlling method for starting the refrigeration system |
-
2010
- 2010-02-11 CN CN2010201122605U patent/CN201662272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818958A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Three-group plate ice machine hot-gas deicing refrigeration system |
| CN101818958B (en) * | 2010-02-11 | 2012-11-14 | 中机西南能源科技有限公司 | Three-group plate ice machine hot-gas deicing refrigeration system |
| US10823472B2 (en) | 2015-12-08 | 2020-11-03 | Carrier Corporation | Refrigeration system and controlling method for starting the refrigeration system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGJIYUANXIONG ENERGY STORAGE TECHNOLOGY CO., LT Free format text: FORMER OWNER: CHONGQING YUANXIONG REFRIGERATION COMPLETE SET OF EQUIPMENT CO.LTD Effective date: 20110331 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401120 LAND BLOCK NO. A10-1, ECONOMIC DEVELOPMENT PARK, BEIBU NEW DISTRICT, CHONGQING CITY TO: 401520 CORE AREA OF HECHUAN INDUSTRIAL PARK, CHONGQING CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110331 Address after: 401520 Hechuan Chongqing Industrial Park core area Patentee after: Chongqing Yuanxiong Complete Refrigeration Equipment Co., Ltd. Address before: Northern New Chongqing 401120 ring A10-1 block Patentee before: Chongqing Yuanxiong Refrigeration Complete Set of Equipment Co.Ltd |
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| C56 | Change in the name or address of the patentee |
Owner name: CHINA ICEPOWER ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHONGJIYUANXIONG ENERGY STORAGE TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 401520 Hechuan Chongqing Industrial Park core area Patentee after: China Icepower Energy Technology Co., Ltd. Address before: 401520 Hechuan Chongqing Industrial Park core area Patentee before: Chongqing Yuanxiong Complete Refrigeration Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20170211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |