CN110657627A - Freezer variable flow economizer system - Google Patents
Freezer variable flow economizer system Download PDFInfo
- Publication number
- CN110657627A CN110657627A CN201911049295.0A CN201911049295A CN110657627A CN 110657627 A CN110657627 A CN 110657627A CN 201911049295 A CN201911049295 A CN 201911049295A CN 110657627 A CN110657627 A CN 110657627A
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- CN
- China
- Prior art keywords
- control system
- temperature control
- valve
- low
- branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a variable flow energy-saving system of a refrigeration house, which comprises a condenser, a unit, an air cooler, a high-temperature control system and a low-temperature control system, wherein the condenser is arranged on the unit; the high-temperature control system is formed by mutually connecting a front hand valve, a filter, an electromagnetic valve, a high-temperature expansion valve and a rear hand valve in series; the low-temperature control system is formed by mutually connecting a front hand valve, a filter, an electromagnetic valve, a low-temperature expansion valve and a rear hand valve in series; the condenser is connected with the unit, the high-temperature control system and the low-temperature control system are connected between the unit and the air cooler in parallel, the front hand valves of the high-temperature control system and the low-temperature control system are connected with the unit through pipelines respectively, and the rear hand valves of the high-temperature control system and the low-temperature control system are connected with the air cooler through pipelines respectively. The invention keeps the flow constant through the adjustment of the electric valve, and in the system, the invention not only can level the flow of each branch to realize the balanced transmission and distribution of the flow, but also can change and adjust the flow of each branch at any time to realize the dynamic balance.
Description
Technical Field
The invention relates to an energy-saving system, in particular to a variable flow energy-saving system of a refrigeration house.
Background
along with the development of technology, a large-scale refrigeration house which is loaded with two or even more than two evaporators by a group of compressors simultaneously is more and more, and the compressor has high utilization rate and is widely used in the refrigeration house system due to low relative cost and flexible configuration. At present, a one-machine multi-warehouse system generally adopts a stop valve, and an electromagnetic valve is matched to control an evaporator to realize the temperature of a cold warehouse, so that the system does not have an adjusting function due to the fact that the system only has an on-off function, and the system is not uniform in liquid supply and unstable in warehouse due to the fact that liquid supply pressure of the evaporator is different from the liquid supply pressure of the machine set.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a variable-flow energy-saving system for a refrigeration house, which is used for adjusting the opening degree of a solenoid valve to achieve the balance of liquid supply of each evaporator so as to stably reduce the fluctuation of the temperature of the refrigeration house.
In order to achieve the purpose, the invention provides the following technical scheme: a variable flow energy-saving system of a refrigeration house comprises a condenser, a unit, an air cooler, a high-temperature control system and a low-temperature control system; the high-temperature control system is formed by mutually connecting a front hand valve, a filter, an electromagnetic valve, a high-temperature expansion valve and a rear hand valve in series; the low-temperature control system is formed by mutually connecting a front hand valve, a filter, an electromagnetic valve, a low-temperature expansion valve and a rear hand valve in series; the condenser is connected with the unit, the high-temperature control system and the low-temperature control system are connected between the unit and the air cooler in parallel, the front hand valves of the high-temperature control system and the low-temperature control system are connected with the unit through pipelines respectively, and the rear hand valves of the high-temperature control system and the low-temperature control system are connected with the air cooler through pipelines respectively.
Compared with the prior art, the invention keeps the flow constant by adjusting the electric valve, can level the flow of each branch in the system to realize the balanced transmission and distribution of the flow, and can change and adjust the flow of each branch at any time to realize the dynamic balance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1. an electrically operated valve; 2. drying the filter; 3. an electromagnetic valve; 4. a stop valve; 5. an evaporator; 6. a temperature sensor.
Detailed Description
The invention will be further explained with reference to the drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: the system comprises a plurality of refrigeration branches, wherein each refrigeration branch comprises an electric valve 1, a drying filter 2, an electromagnetic valve 3, a stop valve 4 and an evaporator 5; the electric valve 1, the drying filter 2, the electromagnetic valve 3, the stop valve 4 and the evaporator 5 are sequentially connected in series; the electric valve 1 of each branch is connected with a liquid supply pipeline, the evaporator 5 of each branch is connected with an air return pipeline, and the air return pipeline of each branch is provided with a temperature sensor 6.
The temperature sensor 6 senses the return air temperature, monitors the return air temperature and transmits the return air temperature to the controller, the controller dynamically adjusts the electromagnetic valve according to the temperature sensed by the temperature sensor, and the annoying opening degree of the electromagnetic valve is adjusted to achieve the balance of liquid supply of each evaporator, so that the storage temperature is stable and fluctuation is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (1)
1. A variable flow energy-saving system of a refrigeration house comprises a plurality of refrigeration branches, and is characterized in that each refrigeration branch comprises an electric valve (1), a drying filter (2), an electromagnetic valve (3), a stop valve (4) and an evaporator (5);
the electric valve (1), the drying filter (2), the electromagnetic valve (3), the stop valve (4) and the evaporator (5) are sequentially connected in series;
the electric valve (1) of each branch is connected with the liquid supply pipeline, the evaporator (5) of each branch is connected with the air return pipeline, and the air return pipeline of each branch is provided with a temperature sensor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911049295.0A CN110657627A (en) | 2019-10-31 | 2019-10-31 | Freezer variable flow economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911049295.0A CN110657627A (en) | 2019-10-31 | 2019-10-31 | Freezer variable flow economizer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110657627A true CN110657627A (en) | 2020-01-07 |
Family
ID=69042453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911049295.0A Pending CN110657627A (en) | 2019-10-31 | 2019-10-31 | Freezer variable flow economizer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110657627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900117A (en) * | 2023-01-10 | 2023-04-04 | 中国空气动力研究与发展中心低速空气动力研究所 | Heat exchanger for icing wind tunnel thermal flow field, uniformity control device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057151U (en) * | 2011-05-17 | 2011-11-30 | 烟台同大制冷设备有限公司 | Centralized control system for a plurality of cold storages |
| WO2013177929A1 (en) * | 2012-05-30 | 2013-12-05 | 海尔集团公司 | Full-system refrigeration control refrigerator |
| CN104676837A (en) * | 2015-02-11 | 2015-06-03 | 广州市科维机电设备安装有限公司 | Variable-frequency energy-saving method applied to whole-process temperature difference control of central air conditioner freeze water system |
| CN106765610A (en) * | 2017-02-14 | 2017-05-31 | 英得艾斯（上海）冷冻空调有限公司 | A kind of variable water flow system air conditioning terminal and its method of work |
| CN210602416U (en) * | 2019-10-31 | 2020-05-22 | 江苏精英冷暖设备工程有限公司 | Variable flow energy-saving system for refrigeration house |
-
2019
- 2019-10-31 CN CN201911049295.0A patent/CN110657627A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057151U (en) * | 2011-05-17 | 2011-11-30 | 烟台同大制冷设备有限公司 | Centralized control system for a plurality of cold storages |
| WO2013177929A1 (en) * | 2012-05-30 | 2013-12-05 | 海尔集团公司 | Full-system refrigeration control refrigerator |
| CN104676837A (en) * | 2015-02-11 | 2015-06-03 | 广州市科维机电设备安装有限公司 | Variable-frequency energy-saving method applied to whole-process temperature difference control of central air conditioner freeze water system |
| CN106765610A (en) * | 2017-02-14 | 2017-05-31 | 英得艾斯（上海）冷冻空调有限公司 | A kind of variable water flow system air conditioning terminal and its method of work |
| CN210602416U (en) * | 2019-10-31 | 2020-05-22 | 江苏精英冷暖设备工程有限公司 | Variable flow energy-saving system for refrigeration house |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900117A (en) * | 2023-01-10 | 2023-04-04 | 中国空气动力研究与发展中心低速空气动力研究所 | Heat exchanger for icing wind tunnel thermal flow field, uniformity control device and method |
| CN115900117B (en) * | 2023-01-10 | 2023-04-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Heat exchanger for icing wind tunnel hot flow field, uniformity control device and uniformity control method |
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