CN201662291U - Hot gas ice shedding refrigeration system for single-plate ice plate machine - Google Patents
Hot gas ice shedding refrigeration system for single-plate ice plate machine Download PDFInfo
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- CN201662291U CN201662291U CN2010201122573U CN201020112257U CN201662291U CN 201662291 U CN201662291 U CN 201662291U CN 2010201122573 U CN2010201122573 U CN 2010201122573U CN 201020112257 U CN201020112257 U CN 201020112257U CN 201662291 U CN201662291 U CN 201662291U
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Abstract
The embodiment of the utility model discloses a hot gas ice shedding refrigeration system for a single-plate ice plate machine. A by-pass electromagnetic valve and a pressure control valve are connected in series sequentially between the output end of a pressure difference electromagnetic valve and the outlet of a return gas filter in the refrigeration system. The KVC pressure control valve and the by-pass electromagnetic valve are connected in series between the output end of the pressure difference electromagnetic valve and the outlet of the return gas filter, and the by-pass electromagnetic valve ensures that the suction pressure of a refrigeration compressor is not too low and a portion of the hot gas can perform ice shedding; and the opening degree of the KVC pressure control valve is adjusted according to the pressure behind the valve, so as to ensure that the suction pressure of the refrigeration compressor and that during ice-making process are identical, and guarantee the stability of the refrigeration system.
Description
Technical field
The utility model relates to refrigeration technology field, more particularly, relates to a kind of hot air deicing refrigeration system of single-plate plate ice machine.
Background technology
At present, existing a kind of hot air deicing refrigeration system of single-plate plate ice machine, be divided into the ice making stage and deice the stage, after ice-making process finishes, the outside of plate slab sheet heat exchanger is with ice, when the process of hot-gas deicing, the cold-producing medium of HTHP passes through in plate slab sheet heat exchanger and deices, become the refrigerant gas of low-temp low-pressure, make that the gas pressure get back to band heat exchange gas-liquid separator is very low, the refrigeration compressor air suction hypotony makes the job insecurity of refrigeration compressor, even can stop the work of compressor automatically, it is low to have aggravated to deice pressure of inspiration(Pi) like this, and pressure at expulsion is low, can not deice and cause whole refrigeration system instability fully, can not freeze normally, 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 hot air deicing refrigeration system of single-plate plate ice machine, and it is low to deice the process pressure of inspiration(Pi) with raising, and pressure at expulsion is low can not normally to deice the refrigeration system problem of unstable that causes.
For achieving the above object, the utility model provides following technical scheme:
A kind of hot air deicing refrigeration system of single-plate plate ice machine, the outlet of the high-efficiency oil separator of described hot air deicing refrigeration system of single-plate plate ice machine is provided with the pressure reduction magnetic valve, between the return-air filter of described pressure reduction magnetic valve and described hot air deicing refrigeration system of single-plate plate ice machine, be in series with bypass solenoid valve and pressure-control valve successively, import and export pipe in parallel with described pressure reduction magnetic valve and be provided with exhaust by-pass valve.
Preferably, in the above-mentioned hot air deicing refrigeration system of single-plate plate ice machine, described pressure-control valve is the KVC pressure-control valve.
From above-mentioned technical scheme as can be seen, be in series with pressure-control valve and bypass solenoid valve at the output of pressure reduction magnetic valve and the outlet side of return-air filter in the single-plate plate ice machine hot-gas deicing system that the utility model embodiment 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, guaranteed the stability of refrigeration system, and be provided with the pressure reduction magnetic valve in the outlet of high-efficiency oil separator, close the differential pressure magnetic valve and can improve high temperature and high pressure gas pressure, increased the process 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 structural representation of the hot air deicing refrigeration system of single-plate plate ice machine that Fig. 1 provides for the utility model embodiment.
The specific embodiment
For quote and know for the purpose of, the implication with the label representative in the accompanying drawing is explained as follows below:
1, refrigeration compressor, 2, high-efficiency oil separator, 3, the pressure reduction magnetic valve, 4, exhaust by-pass valve, 5, water-cooled condenser, 6, the feed flow filter, 7, band heat exchange gas-liquid separator, 8, liquid supply electromagnetic valve, 9, heating power expansion valve, 10, knockout and capillary, 11, plate slab sheet heat exchanger, 12, short circulation pipe, 13, return-air magnetic valve, 14, the return-air hot gas solenoid valve, 15, the return-air filter, 16, feed flow hot gas solenoid valve, 17, bypass solenoid valve, 18, the KVC pressure-control valve.
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 hot air deicing refrigeration system of single-plate plate ice machine, existing deice that refrigeration compressor air suction pressure is low in the process, pressure at expulsion is low to solve, can not deice and even the low excessively problem that causes stopping compressor operating of refrigeration compressor low pressure.
A kind of hot air deicing refrigeration system of single-plate plate ice machine, as shown in Figure 1, the output of refrigeration compressor 1 is connected with high-efficiency oil separator 2, high-efficiency oil separator 2 separates out with the oil in the cold-producing medium, and carry back in the refrigeration compressor 1 by pipeline, the refrigerant gas output of high-efficiency oil separator 2 is connected with water-cooled condenser 5, differential pressure magnetic valve 3 is arranged on the refrigerant gas output of high-efficiency oil separator 2, exhaust by-pass valve 4 is connected in parallel on the two ends of differential pressure magnetic valve 3, water-cooled condenser 5 is connected with band heat exchange gas-liquid separator 7, outlet at water-cooled condenser 5 also is provided with feed flow filter 6, the cold-producing medium that is used for liquid towardsization filters, liquid supply electromagnetic valve 8, heating power expansion valve 9 is connected in series between the input of the liquid refrigerant output of band heat exchange gas-liquid separator 7 and plate slab sheet heat exchanger 11, the output of plate slab sheet heat exchanger 11 is connected with return-air magnetic valve 13 and return-air filter 15, being parallel with diameter at the two ends of return-air magnetic valve 13 is the short circulation pipe 12 of 6mm, return-air filter 15 is connected with band heat exchange gas-liquid separator 7, the gas output end of band heat exchange gas-liquid separator 7 is connected with refrigeration compressor 1, be serially connected with KVC pressure-control valve 18 and bypass solenoid valve 17 at the output of pressure reduction magnetic valve 3 and the outlet side of return-air filter 15, between the refrigerant gas output of high-efficiency oil separator 2 and knockout and capillary 10, be connected with feed flow hot gas solenoid valve 16, also be connected with return-air hot gas solenoid valve 14 at the output of high-efficiency oil separator 2 and plate slab sheet heat exchanger 11.
The course of work of above-mentioned hot air deicing refrigeration system of single-plate plate ice machine is divided into two processes, ice-making process and deice process, wherein: ice-making process is refrigeration compressor, pressure reduction magnetic valve, liquid supply electromagnetic valve, the unlatching of return-air magnetic valve, and bypass solenoid valve, liquid supply electromagnetic valve, return-air hot gas solenoid valve are closed.Refrigeration compressor compresses cold-producing medium, cold-producing medium becomes the gas of HTHP, the employed oil of the compressor of process of refrigerastion is separated and carry back refrigeration compressor by high-efficiency oil separator, refrigerant gas through high-efficiency oil separator enters into water-cooled condenser by pressure reduction magnetic valve and exhaust release valve ball, the liquid refrigerant of warm high pressure in becoming, in the liquid refrigerant of warm high pressure through band heat exchange gas-liquid separator, liquid supply electromagnetic valve, heating power expansion valve, knockout and capillary become the liquid refrigerant of low-temp low-pressure, carry out heat exchange through plate slab sheet heat exchanger at last, outside the pipe of plate slab sheet heat exchanger, carry out aproll, because the liquid refrigerant of the low-temp low-pressure in plate slab sheet gasification, become the refrigerant gas of low-temp low-pressure, in this process, absorb heat owing to gasifying, so that the water that is dispersed on the plate slab sheet heat exchanger lower the temperature rapidly, becoming ice, is that the gas refrigerant of low-temp low-pressure enters refrigeration compressor after through return-air magnetic valve and return-air filter and compresses through the cold-producing medium behind the plate slab sheet heat exchanger.
Deice in the process, become the gas of HTHP through the cold-producing medium of refrigeration compressor, high temperature and high pressure gas through high-efficiency oil separator enters plate slab sheet heat exchanger by feed flow hot gas solenoid valve, knockout and capillary, because the temperature of cold-producing medium is very high, the ice evaporation that is attached on the plate slab sheet heat exchanger is melted, and the heat that the thawing of icing in this process absorbs around the heat exchanger is lowered the temperature environment temperature.The ice making process of deicing that hot air deicing refrigeration system of single-plate plate ice machine is logical to be gone over time reaches the purpose of refrigeration.
Be in series with KVC pressure-control valve and bypass solenoid valve at the output of differential pressure magnetic valve and the outlet side of return-air filter in the hot air deicing refrigeration system of single-plate plate ice machine that provides among the utility model embodiment, when the refrigerant gas of HTHP deices, the KVC pressure-control valve can be regulated its aperture according to the pressure behind the valve, guarantee with the pressure in the heat exchange gas-liquid separator identical with pressure in the normal ice-making process, solved that to deice pressure of inspiration(Pi) in the process of refrigerastion low, pressure at expulsion is low, can not deice and refrigeration compressor low pressure is low excessively, can stop the problem of the operation of compressor automatically, and be provided with the pressure reduction magnetic valve in the outlet of high-efficiency oil separator, close the differential pressure magnetic valve and can improve high temperature and high pressure gas pressure, increased the process that system deices, high-temperature gas can flow by exhaust by-pass valve, to guarantee systemic circulation.
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. hot air deicing refrigeration system of single-plate plate ice machine, it is characterized in that, the outlet of the high-efficiency oil separator of described hot air deicing refrigeration system of single-plate plate ice machine is provided with the pressure reduction magnetic valve, between the return-air filter of described pressure reduction magnetic valve and described hot air deicing refrigeration system of single-plate plate ice machine, be in series with bypass solenoid valve and pressure-control valve successively, import and export pipe in parallel with described pressure reduction magnetic valve and be provided with exhaust by-pass valve.
2. hot air deicing refrigeration system of single-plate plate ice machine 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 |
|---|---|---|---|
| CN2010201122573U CN201662291U (en) | 2010-02-11 | 2010-02-11 | Hot gas ice shedding refrigeration system for single-plate ice plate machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122573U CN201662291U (en) | 2010-02-11 | 2010-02-11 | Hot gas ice shedding refrigeration system for single-plate ice plate machine |
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| CN201662291U true CN201662291U (en) | 2010-12-01 |
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| CN2010201122573U Expired - Fee Related CN201662291U (en) | 2010-02-11 | 2010-02-11 | Hot gas ice shedding refrigeration system for single-plate ice plate machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818974A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Hot air deicing refrigeration system of single-plate plate ice machine |
-
2010
- 2010-02-11 CN CN2010201122573U patent/CN201662291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818974A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Hot air deicing refrigeration system of single-plate plate ice machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20170211 |