CN203100280U - Compressed air refrigerating device - Google Patents
Compressed air refrigerating device Download PDFInfo
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- CN203100280U CN203100280U CN 201320035803 CN201320035803U CN203100280U CN 203100280 U CN203100280 U CN 203100280U CN 201320035803 CN201320035803 CN 201320035803 CN 201320035803 U CN201320035803 U CN 201320035803U CN 203100280 U CN203100280 U CN 203100280U
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- pressure
- air
- nozzle
- compressed air
- gas cylinder
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Abstract
The utility model discloses a compressed air refrigerating device which comprises a high pressure air steel bottle, a nozzle, an air distributing machine, an air compressor, a pressure control feedback device and a silencer. The high pressure air steel bottle is connected with the air compressor. The pressure control feedback device is installed between the high pressure air steel bottle and the air compressor. The high pressure air steel bottle is connected with the nozzle. The nozzle is connected with the air distributing machine. The silencer is arranged on the air distributing machine. The compressed air refrigerating device is simple in structure, small in occupied space, simple in working process, easy to operate, capable of reducing noise, free of the requirement for refrigerating fluid and capable of reducing the harmful effects of pollution, the green house effect and the like due to the use of the refrigerating fluid, saving resources and reducing cost.
Description
Technical field
The utility model relates to refrigeration technology field, relates in particular to a kind of compressed air refrigeration device.
Background technology
Refrigeration Technique is mainly used in messes refrigeration in daily life and work, aspects such as air conditioning, the progress of science and technology has brought huge change for people's life, raising along with quality of the life, people are also more and more higher for the requirement of food, in order to satisfy people's living needs, just must to satisfy human body daily nutrition demand vegetables, fruit, food such as bright egg carry out preservation by low temperature, and to meat, fish, freezing of food such as bird, refrigeration, in case food spoilage, equally, in order to provide suitable living condition and working environment to people, conditioner generally all is equipped with in the room, wherein refrigerating plant can satisfy the needs of cooling operating mode, be used for reducing the temperature and the water capacity of air, along with the development of international economy, the appearance of Refrigerated Transport mode, also progressively increased the concern of people for refrigerating plant, the improvement of refrigerating plant also becomes the problem that presses for solution day by day.
Common Refrigeration Technique has compression-type refrigeration at present, absorption refrigeration, solid adsorption refrigeration etc., with the compression-type refrigeration is example, the compression-type refrigeration device is by compressor, condenser, these four parts of expansion valve and evaporimeter are formed, select the very low working media of boiling point to make cold-producing medium, enter evaporimeter through expansion valve throttling step-down, under lower evaporating pressure, liquid refrigerant is steam raising gradually, and from the space absorption gasification latent heat that is cooled, thereby the refrigeration of realization, in order to keep cold-producing medium at the evaporimeter mesolow, and keep the liquid refrigerant before condensator outlet expansion valve or the expansion valve to be in high pressure, just need with compressor cold-producing medium sucking-off and being sent in the condenser from evaporimeter, the cold-producing medium of compressor outlet is a high pressure high temperature vapor, so just can utilize surrounding medium to make the high-temperature high-pressure refrigerant condensation of gas be liquid, and then send into evaporimeter gasification heat absorption, thereby finish continuous kind of refrigeration cycle through the expansion valve throttling.
Material as cold-producing medium must have thermodynamic properties and satisfied general physicochemical properties preferably, also must have good security, economy simultaneously and be convenient to obtain etc., specific requirement has: have suitable pressure and pressure ratio in operating temperature range; It is high that critical-temperature is wanted; To big-and-middle-sized Piston Refrigerant Compreessor, wish that specific refrigerating effect and refrigerating effect per unit swept volume are bigger; Compress work per mass and unit volume work done during compression are little, and it is high that cycle efficieny is wanted, with energy efficient as far as possible; The isentropic Compression finishing temperature can not be too high in order to avoid the lubricating condition deterioration; Viscosity, density are little, and to reduce flow resistance and the power consumption in the pipeline, perhaps for the diameter that dwindles pipe-line system provides possibility, thermal conductivity is wanted greatly; Chemical stability and Heat stability is good; Not easy to blast, harmless, can not pollute chilled goods yet; Cheap, be easy to supply.
Up to the present, also do not have a kind of cold-producing medium can satisfy above-mentioned every requirement fully, in fact also be difficult to find out a kind of desirable cold-producing medium fully, this has just limited the development and the application of compression-type refrigeration.
Equally, the required absorbent and the cold-producing medium of absorption refrigeration, the adsorbent that absorption type refrigerating is required also must possess certain requirement, and these has limited the development of Refrigeration Technique just.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of compressed air refrigeration device is provided.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of compressed air refrigeration device, comprise pressure gas cylinder, nozzle, ventilation terminal, air compressor machine, pressure control feedback device and muffler, described pressure gas cylinder is connected with air compressor machine, pressure control feedback device is installed between pressure gas cylinder and the air compressor machine, described pressure gas cylinder is connected with nozzle, described nozzle is connected with ventilation terminal, and described ventilation terminal is provided with muffler.
Described pressure control feedback device comprises pressure sensor, alarm for high voltage device, low-pressure alarming device and automatic starting and stopping mechanism, described alarm for high voltage device, low-pressure alarming device are connected with pressure gas cylinder, and described automatic starting and stopping mechanism is connected with air compressor machine.
The above-mentioned piping that respectively is connected to connects.
The outside heat-insulation layer that coats of described piping.
The outside of described nozzle, ventilation terminal all coats heat-insulation layer.
The utility model is simple in structure, and shared space is little, and workflow is simple to operation, reduces noise, need not cold-producing medium, has reduced because of harmful effects such as the pollution of using cold-producing medium to cause, greenhouse effects, has saved resource simultaneously, has reduced cost.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein: 1, pressure gas cylinder 2, nozzle 3, ventilation terminal 4, air compressor machine 5, pressure control feedback device 6, muffler.
The specific embodiment
As shown in Figure 1, a kind of compressed air refrigeration device, comprise pressure gas cylinder 1, nozzle 2, ventilation terminal 3, air compressor machine 4, pressure control feedback device 5 and muffler 6, described pressure gas cylinder 1 is connected with air compressor machine 4, pressure control feedback device 5 is installed between pressure gas cylinder 1 and the air compressor machine 4, described pressure gas cylinder 1 is connected with nozzle 2, described nozzle 2 is connected with ventilation terminal 3, described ventilation terminal 3 is provided with muffler 6, described pressure control feedback device 5 comprises pressure sensor, the alarm for high voltage device, low-pressure alarming device and automatic starting and stopping mechanism, described alarm for high voltage device, low-pressure alarming device is connected with pressure gas cylinder 1, described automatic starting and stopping mechanism is connected with air compressor machine 4, the above-mentioned piping that respectively is connected to connects, the outside heat-insulation layer that coats of described piping, described nozzle 2, the outside of ventilation terminal 3 all coats heat-insulation layer, angle from power conversion, because the flow velocity during gas process choke valve is big, time is short, have little time to carry out exchange heat with the external world, so can regard throttling process as approximate adiabatic process, because throttling process has friction loss, so be an irreversible procedure, but both noenergy output when gas throttling expands, also noenergy input, both do not produced any useful work, do not cause the increase of gas velocity yet, therefore, energy before and after the gas throttling remains unchanged, the enthalpy that is the throttling front and back equates, and the enthalpy of perfect gas is the function of temperature, because the temperature of perfect gas before and after throttling expansion is constant, be that the perfect gas throttling can not produce refrigeration effect, and real gas such as air, the enthalpy of carbon dioxide etc. is the function of temperature and pressure, temperature after throttling changes, the utility model utilization is stored in the pressure-air in the pressure gas cylinder 1, by piping it is delivered to nozzle 2, gases at high pressure can arrive low pressure by isenthalpic expansion by choke valve the time, fluid temperature (F.T.) is reduced, produce refrigeration effect, the low-pressure gas that temperature reduces, be delivered to each refrigeration space by ventilation terminal 3, finish refrigeration work, do not do recovery after the low-pressure air end loop, directly discharge atmosphere; Set down in limited time when gas pressure is lower than, low pressure alarm is reported to the police, and opens air compressor machine 4 work, inflation in pressure gas cylinder 1 by automatic starting and stopping mechanism action; When gas pressure was higher than capping, the alarm for high voltage device was reported to the police, and closed air compressor machine 4 by automatic starting and stopping mechanism action, thereby guaranteed that the gas pressure in the pressure gas cylinder 1 is in scope of design all the time, to keep system's operate as normal.
Claims (5)
1. compressed air refrigeration device, it is characterized in that: comprise pressure gas cylinder (1), nozzle (2), ventilation terminal (3), air compressor machine (4), pressure control feedback device (5) and muffler (6), described pressure gas cylinder (1) is connected with air compressor machine (4), pressure control feedback device (5) is installed between pressure gas cylinder (1) and the air compressor machine (4), described pressure gas cylinder (1) is connected with nozzle (2), described nozzle (2) is connected with ventilation terminal (3), and described ventilation terminal (3) is provided with muffler (6).
2. compressed air refrigeration device according to claim 1, it is characterized in that: described pressure control feedback device (5) comprises pressure sensor, alarm for high voltage device, low-pressure alarming device and automatic starting and stopping mechanism, described alarm for high voltage device, low-pressure alarming device are connected with pressure gas cylinder (1), and described automatic starting and stopping mechanism is connected with air compressor machine (4).
3. compressed air refrigeration device according to claim 1 and 2 is characterized in that: the above-mentioned piping that respectively is connected to connects.
4. compressed air refrigeration device according to claim 3 is characterized in that: the outside heat-insulation layer that coats of described piping.
5. compressed air refrigeration device according to claim 1 is characterized in that: the outside of described nozzle (2), ventilation terminal (3) all coats heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035803 CN203100280U (en) | 2013-01-24 | 2013-01-24 | Compressed air refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035803 CN203100280U (en) | 2013-01-24 | 2013-01-24 | Compressed air refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100280U true CN203100280U (en) | 2013-07-31 |
Family
ID=48851675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035803 Expired - Fee Related CN203100280U (en) | 2013-01-24 | 2013-01-24 | Compressed air refrigerating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422191A (en) * | 2013-09-05 | 2015-03-18 | 江苏绿叶锅炉有限公司 | Device for using deflating to produce low-temperature air |
| CN106382700A (en) * | 2016-10-24 | 2017-02-08 | 大连理工大学 | Refrigerating glass provided with conical through holes |
| CN108645068A (en) * | 2018-05-30 | 2018-10-12 | 华北电力大学 | A kind of system using photovoltaic or the electric energy compressed air refrigeration of wind-power electricity generation |
-
2013
- 2013-01-24 CN CN 201320035803 patent/CN203100280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422191A (en) * | 2013-09-05 | 2015-03-18 | 江苏绿叶锅炉有限公司 | Device for using deflating to produce low-temperature air |
| CN106382700A (en) * | 2016-10-24 | 2017-02-08 | 大连理工大学 | Refrigerating glass provided with conical through holes |
| CN108645068A (en) * | 2018-05-30 | 2018-10-12 | 华北电力大学 | A kind of system using photovoltaic or the electric energy compressed air refrigeration of wind-power electricity generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140124 |