CN202393075U - Unit-combined twin-stage compression parallel connection refrigerating unit - Google Patents
Unit-combined twin-stage compression parallel connection refrigerating unit Download PDFInfo
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- CN202393075U CN202393075U CN2011205402173U CN201120540217U CN202393075U CN 202393075 U CN202393075 U CN 202393075U CN 2011205402173 U CN2011205402173 U CN 2011205402173U CN 201120540217 U CN201120540217 U CN 201120540217U CN 202393075 U CN202393075 U CN 202393075U
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- evaporimeter
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Abstract
The utility model discloses a unit-combined twin-stage compression parallel connection refrigerating unit, wherein single-stage compressors (2) are connected with evaporators (1); an oil storage tank (8) is connected with an oil distributor (9); the oil distributor (9) is further connected with the single-stage compressors (2), so as to be connected with an economizer (5) through a condenser (3) and a high-pressure liquid reservoir (4); and further, the economizer (5) is connected back to the oil storage tank (8) through a differential pressure control valve (7). According to the utility model, return gas of the evaporators (1) of an acid discharge chamber serves as an intercooling cold source in a twin-stage compression system, so as to reduce load of an intercooler; exhaust pipes of the low-pressure single-stage compressors (2) are connected to main suction pipes and main exhaust pipes of the high-pressure single-stage compressors (2), so that the low-pressure single-stage compressors (2) can be used in the twin-stage compression system as well as a single-stage compression system, as a result, compressors of the three systems can be borrowed for use mutually, the use ratio of the compressors and corresponding reservoirs can be greatly improved, the refrigeration coefficient can be improved, the energy can be saved, and the realization of automatic control as well as investment and operating cost saving can be facilitated.
Description
Technical field
The utility model relates to the refrigeration plant technology, compresses parallelly connected refrigeration unit especially for the unit combination twin-stage of butchering each zone refrigeration control in the freezer.
Background technology
In the known technology, butcher each zone in the freezer, must set different evaporating temperatures because its function is different, such as: guick freezing room-40 ℃～-45 ℃, low temperature storehouse-30 ℃～-35 ℃, between acid discharge-8 ℃～-10 ℃.In conventional design, the helical-lobe compressor refrigeration of single machine two-stage piston compressor or band economizer is generally adopted in quick-freezing room and low temperature storehouse, then selects single-stage compressor between acid discharge for use; But in actual motion, the low temperature storehouse is in continuous running status; And between quick-freezing room, acid discharge with the continuous start-stop of butchering operation; And have to be in the intermittent duty state, thus cause between quick-freezing room, acid discharge and the decline of respective refrigeration systems utilization rate, adopt independently the single machine two-stage compressor to beat cold separately quick-frozen, cryopreservation system; It is cold that acid dump system adopts single-stage compressor to beat, and the compressor of three systems can't be used each other.And in that to butcher freezer in service, the phenomenon of quick-frozen or acid discharge task often appears not having, at this moment, the compressor of quick-frozen or acid dump system and corresponding storehouse body just are in idle state, cause than the macro-energy loss.And this problem receives publicity along with the continuous development of food cold working industry day by day.Yet the patent application of relevant improvement technical scheme is not seen open.
Summary of the invention
The purpose of the utility model provides a kind of unit combination twin-stage and compresses parallelly connected refrigeration unit, and this unit is used for the realization of convenient and energy-saving and butchers each zone refrigeration control of freezer.
Realize that the measure of the utility model goal of the invention comprises: single-stage compressor is connected with evaporimeter; Oil storage tank connects oil content; Oil content further connects single-stage compressor, and is connected economizer through condenser with high pressure receiver, and economizer connects back oil storage tank through differential pressure control valve further.
In the utility model, the return-air of evaporimeter between acid discharge as cold source in the twin-stage compressibility, is reduced the charge air cooler load, improved the coefficient of performance of twin-stage compressibility; The suction main that the blast pipe of low pressure single-stage compressor is connected to the high pressure single-stage compressor respectively go up and exhaust main on; Make the low pressure single-stage compressor promptly can be used for the twin-stage compressibility; Can be used for the single stage compress system again, the compressor of three systems can be used each other, improved the utilization rate of compressor and corresponding storehouse body greatly; Coefficient of refrigerating performance is high, energy-conservation, is easy to realize automatic control, reduces investment outlay and operating cost.
Description of drawings
Fig. 1 is the utility model system flow chart
Reference numeral: evaporimeter 1, single-stage compressor 2, condenser 3, high pressure receiver 4, economizer 5, temperature controller 6, differential pressure control valve 7, oil storage tank 8, oil content 9.
The specific embodiment
Single-stage compressor 2 is connected with evaporimeter 1, and oil storage tank 8 connects oil content 9, and oil content 9 further connects single-stage compressor 2, and is connected economizer 5 through condenser 3 with high pressure receiver 4, and economizer 5 connects back oil storage tank 8 through differential pressure control valve 7 further.
5 of high pressure receiver 4 and economizers are connected oil content 9 through temperature controller 6.
Evaporimeter 1 comprises that successively evaporating temperature is-35 ° a quick-frozen evaporimeter, and evaporating temperature is-25 ° a cryogenic vaporizer, and evaporating temperature is-10 ° an acid discharge evaporimeter, and evaporating temperature is-35 ° a quick-frozen evaporimeter.
Condenser 3 evaporating temperatures are-40 °.
The utility model adopts unit to join the twin-stage compressibility of the type of beating; The suction main that low-pressure stage single-stage compressor 2 blast pipes are connected to hiigh pressure stage single-stage compressor 2 respectively go up and discharge header on, make low-pressure stage single-stage compressor 2 not only can be used for the twin-stage compressibility but also can be used for the single stage compress system.
The utility model increases the heat exchange area of evaporimeter 1 between acid discharge, strengthens building enclosure heat-insulating property between acid discharge, makes between acid discharge and can accomplish the acid discharge task, again can be as the low temperature storehouse.
The utility model carries out unit combination with hiigh pressure stage single-stage compressor 2, makes its total work capacity can adapt to the variation of refrigeration system operational mode.
The utility model is connected to the muffler of evaporimeter between acid discharge 1 on the discharge pipe of low pressure single-stage compressor 2, to reduce the middle refrigeration duty in the twin-stage compressibility, improves the performance indications of system.
The utility model is provided with charge air cooler, and guaranteeing cold requirement during return-air can't satisfy between acid discharge, or when quitting work between acid discharge, the twin-stage compressibility also can safe operation.
The utility model is still keeping three systems such as evaporating temperature-35 ℃ quick-frozen, evaporating temperature-25 ℃ cryopreservation, evaporating temperature-10 ℃ acid discharge, is " unit is joined the twin-stage compressibility of the type of beating " but become " single machine two-stage compressor assembly "; Specifically comprise: increase the heat exchange area of evaporimeter 1 between acid discharge, strengthen building enclosure heat-insulating property between acid discharge, make between acid discharge and can accomplish the acid discharge task, again can be as the low temperature storehouse; Hiigh pressure stage single-stage compressor 2 is carried out unit combination, make its total work capacity can adapt to the variation of refrigeration system operational mode; The muffler of evaporimeter between acid discharge is connected on the discharge pipe of low pressure single-stage compressor 2,, improves the performance indications of system to reduce the middle refrigeration duty in the twin-stage compressibility; Charge air cooler is set, and guaranteeing cold requirement during return-air can't satisfy between acid discharge, or when quitting work between acid discharge, the twin-stage compressibility also can safe operation.Simultaneously, the utility model can be used the compressor of three systems each other, has improved the utilization rate of compressor and corresponding storehouse body greatly.
The utility model specifically can be realized following six kinds of operational modes:
Operational mode one: operate as normal between quick-freezing room, low temperature storehouse, acid discharge;
Operational mode two: quick-freezing room, low temperature storehouse operate as normal, work as the low temperature storehouse between acid discharge;
Operational mode three: low temperature storehouse operate as normal, all work between quick-freezing room, acid discharge as the low temperature storehouse;
Operational mode four: quick-freezing room, low temperature storehouse operate as normal quit work between acid discharge;
Operational mode five: low temperature storehouse operate as normal, quick-freezing room quits work between acid discharge as the work of low temperature storehouse;
Operational mode six: low temperature storehouse operate as normal all quits work between quick-freezing room, acid discharge;
The utility model; In conjunction with the characteristics of butchering technology, the refrigeration system of butchering the freezer conventional design has been carried out suitable improvement, with the return-air of evaporimeter between acid discharge 1 as cold source in the twin-stage compressibility; Reduce the charge air cooler load, improved the coefficient of performance of twin-stage compressibility; The suction main that the blast pipe of low pressure single-stage compressor 2 is connected to high pressure single-stage compressor 2 respectively go up and exhaust main on; Make low pressure single-stage compressor 2 promptly can be used for the twin-stage compressibility; Can be used for the single stage compress system again, improved the utilization rate of storehouse body and respective refrigeration systems thereof greatly.
The utility model in the double-stage compressive refrigerating system of charge air cooler is set, utilizes between acid discharge return-air to alleviate the charge air cooler load; With hiigh pressure stage single-stage compressor 2 carry out unit combination, make its total work capacity can adapt to the variation of refrigeration system operational mode.
Claims (6)
1. the unit combination twin-stage compresses parallelly connected refrigeration unit; It is characterized in that; Single-stage compressor (2) is connected with evaporimeter (1), and oil storage tank (8) connects oil content (9), and oil content (9) further connects single-stage compressor (2); And being connected economizer (5) with high pressure receiver (4) through condenser (3), economizer (5) passes through differential pressure control valve (7) and connects back oil storage tank (8) further.
2. unit combination twin-stage as claimed in claim 1 compresses parallelly connected refrigeration unit, it is characterized in that, is connected oil content (9) through temperature controller (6) between high pressure receiver (4) and economizer (5).
3. unit combination twin-stage as claimed in claim 1 compresses parallelly connected refrigeration unit; It is characterized in that; Evaporimeter (1) comprises that successively evaporating temperature is-35 ° a quick-frozen evaporimeter; Evaporating temperature is-25 ° a cryogenic vaporizer, and evaporating temperature is-10 ° an acid discharge evaporimeter, and evaporating temperature is-35 ° a quick-frozen evaporimeter.
4. unit combination twin-stage as claimed in claim 2 compresses parallelly connected refrigeration unit, it is characterized in that, condenser (3) evaporating temperature is-40 °.
5. unit combination twin-stage as claimed in claim 1 compresses parallelly connected refrigeration unit, it is characterized in that, the suction main that low-pressure stage single-stage compressor (2) blast pipe is connected to hiigh pressure stage single-stage compressor (2) respectively go up and discharge header on.
6. unit combination twin-stage as claimed in claim 1 compresses parallelly connected refrigeration unit, it is characterized in that, the muffler of evaporimeter between acid discharge (1) is connected on the discharge pipe of low pressure single-stage compressor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205402173U CN202393075U (en) | 2011-12-21 | 2011-12-21 | Unit-combined twin-stage compression parallel connection refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205402173U CN202393075U (en) | 2011-12-21 | 2011-12-21 | Unit-combined twin-stage compression parallel connection refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393075U true CN202393075U (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205402173U Expired - Fee Related CN202393075U (en) | 2011-12-21 | 2011-12-21 | Unit-combined twin-stage compression parallel connection refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901262A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multiplex secondary throttling and intermediate incomplete cooling type refrigerating system |
| CN102901261A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multi-unit single-throttling incomplete-intercooling refrigeration system |
-
2011
- 2011-12-21 CN CN2011205402173U patent/CN202393075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901262A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multiplex secondary throttling and intermediate incomplete cooling type refrigerating system |
| CN102901261A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multi-unit single-throttling incomplete-intercooling refrigeration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: 830000 the Xinjiang Uygur Autonomous Region Urumqi Changjiang Road 85 Xinjiang Blue Ocean refrigeration equipment company Patentee after: Ma Xingguo Address before: 830000 the Xinjiang Uygur Autonomous Region Urumqi Changjiang Road 85 Xinjiang Blue Ocean refrigeration equipment company Co-patentee before: Ma Xinchen Patentee before: Ma Xingguo |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181229 Address after: 201700 No. 1565 Xinxie Road, Huaxin Town, Qingpu District, Shanghai Patentee after: Shanghai Zhaoxue Refrigeration Equipment Co., Ltd. Address before: 830000 the Xinjiang Uygur Autonomous Region Urumqi Changjiang Road 85 Xinjiang Blue Ocean refrigeration equipment company Patentee before: Ma Xingguo |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190821 Address after: Room C, Room 187, Building 5, 545 Hulan Road, Baoshan District, Shanghai 200000 Patentee after: Allied Kazakhstan Overseas Chinese Environmental Optimizing Technology (Shanghai) Co., Ltd. Address before: 201700 No. 1565 Xinxie Road, Huaxin Town, Qingpu District, Shanghai Patentee before: Shanghai Zhaoxue 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: 20120822 Termination date: 20191221 |