CN1083579A - Non-freon air-cooled refrigeration unit - Google Patents
Non-freon air-cooled refrigeration unit Download PDFInfo
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- CN1083579A CN1083579A CN 93102296 CN93102296A CN1083579A CN 1083579 A CN1083579 A CN 1083579A CN 93102296 CN93102296 CN 93102296 CN 93102296 A CN93102296 A CN 93102296A CN 1083579 A CN1083579 A CN 1083579A
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Abstract
The present invention is for being the floride-free refrigerating plant of working medium with the air, comprise compressor, gas mixing dryer, gas collector, heat exchanger, differential pressure refrigeration device, cold air distributor, be characterised in that the pressure reduction refrigerator has spherical inner chamber and is installed on the air inlet pipe of both sides with the parallel symmetry of spherical cavity axis, the top is the hot gas delivery line, and the below is the cold air delivery line; The cold air distributor has a spherical inner chamber and a plurality of cold air outlet; The air mixing drier will be supplied with compressor after will replenishing new gas, refrigeration return-air, heat exchanger return-air combination drying; Refrigeration system is installed in the casing, outlet of refrigeration gas and return-air inlet is arranged, for being connected with application apparatus.
Description
The invention belongs to a kind of refrigeration plant, particularly a kind of floride-free refrigerating plant that adopts air as refrigeration working medium.
At present both at home and abroad, be applied to be the technology and the device of following several types on Refrigeration Technique such as refrigerator, refrigerator-freezer, antistaling box, domestic air conditioning, air conditioning for automobiles, center air-conditioning, refrigeration machine and the equipment:
1.CFC
sFreeze 2. lithium bromide working medium refrigeration of working medium
3. freeze 4. mixed working fluids refrigeration of ammonia working medium
5. freeze 6. magnetic refrigeration of chemical formula
7. semiconductor refrigerating 8. solar energy (or electric heating) suction, desorption refrigeration
9. freeze 10. air turbines refrigeration of combustion type
In general can divide three major types, i.e. chemical method refrigeration, physical method refrigeration, gas methods refrigeration, more than the Refrigeration Technique of three kinds of methods and the problem that all there is each side in device thereof.
CFC
sMaterial is as the Refrigeration Technique of working medium, comparative maturity, and application surface is wider, but CFC
sMaterial has bigger destruction to atmospheric ozone layer, and the Nature and biology, the mankind are had very big harm, by behind internationally recognized and the decision twentieth century in to ban; Other several chemical methodes refrigeration also because of have severe toxicity, inflammable, explosion hazard does not have extensive use value;
Several physical methods refrigeration as: magnetic refrigeration, semiconductor refrigerating etc., all low, power consumption is big, expensive can not get of cost developed because of refrigerating capacity; The turbine air refrigeration is because of can't resolve accessory, assisting vehicle, and is big in also difficult extensive use at present because of consuming energy again.
For solving non-freon refrigeration problem, it is the refrigerator of working medium that the present patent application people has proposed a kind of air that adopts, and has applied for patent on November 18th, 92, the patent No. 92113032, title: differential pressure refrigeration method and refrigerator.At present,
Utilizing this is the differential pressure refrigeration device formation refrigerating plant (system) of working medium with the air, does not see report both at home and abroad as yet.
The problem that exists at existing Refrigeration Technique, and to an urgent demand of non-freon Refrigeration Technique, the present invention proposes a kind of novel air formula refrigerating plant.
The purpose of this invention is to provide a kind of non-freon air-cooled refrigeration unit, adopting with the air is the differential pressure refrigeration device of working medium, nontoxic, efficient, inexpensive.
Another object of the present invention provides a kind of non-freon air-cooled refrigeration unit, comprises air dry mixed device, compressor, heat exchanger, differential pressure refrigeration device, distributor, gas collector, and is simple in structure, do not need complicated huge cooler or evaporimeter.
A further object of the present invention provides a kind of non-freon air-cooled refrigeration unit, adopts ball-type chamber distributor, make through the gas of refrigerator refrigeration further lower the temperature, supercharging, and multichannel output after the uniform distribution is delivered to applied equipment with refrigerant gas.
Another purpose of the present invention provides a kind of non-freon air-cooled refrigeration unit, and employing has porous gas distribution plate, installing detector unit; Retrieve the refrigerant gas of self-application equipment, and the monitoring gas temperature is controlled for the service condition to refrigerating plant.
Another purpose of the present invention provides a kind of non-freon air-cooled refrigeration unit, adopts the air mixing drier, will through the return-air of heat exchange, new gas dry mixed of replenishing, supply with compressor as source of the gas from the recovery gas of gas collector.
Non-freon air-cooled refrigeration unit of the present invention is grouped into by source of the gas part, refrigerating part, heat exchanger assembly and chest portion.
Source of the gas partly comprises compressor, gas mixing dryer, gas collector, oil and water filters;
Gas mixing dryer receives and extraneously to replenish air, from the refrigeration return-air and the heat exchanger return-air of gas collector, with three road gases mix, drying, send the supply compressor by wind wheel then;
Compressor compresses above-mentioned mixing air, delivers to oil and water filters then, delivers to heat exchanger after filtering;
Gas collector is collected the return-air of refrigeration application equipment, and it is delivered to gas mixing dryer;
Refrigerating part comprises differential pressure refrigeration device, distributor and two gas path control valves; The differential pressure refrigeration device comprises that one has the outer solid of spherical inner chamber, and insulation antiseptic coating liner is arranged in the chamber, relative both sides of solid and the parallel symmetry of spherical cavity axis outside this
One air inlet pipe respectively is housed, and nozzle is equipped with in air inlet pipe the inner, and the nozzle front end is a thin footpath straight tube; Have a cold air to discharge conduit under the spherical cavity, the spherical cavity top has a hot gas to discharge conduit, at the heat outlet place one adjusting lever is arranged, in order to regulate the ratio and the temperature of hot and cold air; Cold conduit and heat pipe are connected with an entry of two triple valves respectively; Distributor comprises an air intake that is connected with an outlet of two triple valves, a plurality of cold air gas outlet and another gas outlets that are connected with heat exchanger that are connected with cold conduit; Refrigerant gas is evenly exported by a plurality of cold conduits and is delivered to application apparatus;
Another outlet of two triple valves is communicated with a water spilage tray;
Heat exchanger is installed between source of the gas part and the refrigerating part, enter the thermal current inlet of heat exchanger from the compressed air of source of the gas part oil and water filters, deliver to the air inlet pipe of differential pressure refrigeration device through heat exchange output, from distributor one gas outlet enter the cold airflow inlet of heat exchanger than cold airflow, deliver to gas mixing dryer through heat exchange output;
One container body of outer cover, in load onto and state whole refrigerating plants, have refrigerator pipe outlet and muffler to enter the mouth on the housing, action button and display are housed on the panel.
For making the evenly output effectively of refrigeration gas gas, dispensing arrangement is the opposite opened housing with spherical inner chamber, and insulating lining is arranged in the chamber, and housing has a plurality of gas outlets;
For accurately monitoring suction temperature with the normal operation of control refrigeration, the structure of gas collector is a middle horizontal tubular cavity that porous distribution dividing plate is housed, tube chamber top installing return-air is gone into tracheae, the monitoring thermocouple is housed in the tube chamber under the distribution plate, return-air can make thermocouple temperature measurement accurate through the distribution plate uniform distribution;
For good source of the gas is provided to compressor, the structure of gas mixing dryer is: inlet chamber, drier, wind pushing cavity link to each other successively, inlet chamber has an air inlet and gas collector, heat exchanger to be connected, to accept both return-airs, on the inlet chamber wall steel mesh is arranged, and replenishes new gas to suck; Three road gases enter wind pushing cavity after mixing the drying device, and the wind wheel in the wind pushing cavity is sent gas the supply compressor under motor-driven.
Refrigerating plant of the present invention has following outstanding feature and effect:
1. non-freon: refrigeration working medium adopts it air without cease of cheap, inexhaustible usefulness, to environment to the pollution-free nonhazardous of the mankind.
2. energy-conservation: refrigerating capacity is big, and it is low to consume energy, and is applied on the equipment such as refrigerator, refrigerator-freezer and need not to increase defrost power, can save energy 15%-20%.
3. material-saving: simple in structure, do not need the cooler and the evaporimeter of structure bulky complex, but material-saving 20%.
4. safety simple in structure: required dribbleware is few, is easy to make; Because of gallery pressure little (about 0.1Mpa, and the fluorine refrigeration plant is 0.9-1.0Mpa), safe in utilization especially, and be difficult for leaking.
5. applied range can be used in ownership cool equipments such as refrigerator, refrigerator-freezer, antistaling box, air-conditioning series of products, ice making, freezer, fresh-keeping warehouse and the Refrigeration Technique.
Describe the embodiment of the floride-free air-cooled refrigeration unit of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is a refrigerating plant refrigeration system schematic diagram of the present invention.
Fig. 2 is a refrigerating plant air mixing drier schematic diagram of the present invention.
Fig. 3 is a refrigerating plant air mixing drier side schematic view of the present invention.
Fig. 4 is a refrigerating plant gas collector generalized section of the present invention.
Fig. 5 is a refrigerating plant gas collector schematic top plan view of the present invention.
Fig. 6 is a refrigerating plant differential pressure refrigeration device schematic top plan view of the present invention.
Fig. 7 is a refrigerating plant differential pressure refrigeration device schematic side view of the present invention.
Fig. 8 is a refrigerating plant distributor schematic top plan view of the present invention.
Fig. 9 is a refrigerating plant distributor schematic side view of the present invention.
Figure 10 is a refrigerating plant assembling front elevational schematic of the present invention.
Figure 11 is a refrigerating plant assembling schematic top plan view of the present invention.
Figure 12 is a refrigerating plant assembling schematic side view of the present invention.
As shown in Figure 1, refrigeration system of the present invention is made up of source of the gas part, refrigerating part and heat exchange assembly three parts; Wherein, source of the gas partly comprises compressor (1), gas mixing dryer (2), gas collector (3), oil and water filters (4); Compressor (1) is by gas mixing dryer (2) supply gas, and this gas mixing dryer (2) comprises inlet chamber (6), drier (7), wind pushing cavity (8) and the motor (9) that links to each other successively
, inlet chamber (6) front end has an air inlet (10), and the inlet chamber wall has steel mesh (11), can suck outside air by it; Drier (7) links to each other with inlet chamber (6) by porous wall, interior dress filters, drier, one discharge outlet (12) is arranged at the bottom, wind pushing cavity (8) communicates with drier (7) by porous wall, one gas outlet (13) is arranged on the wall of chamber, adorn a wind wheel (14) in the chamber, the external motor of this wind wheel (14) (9), under the driving of motor (9) with gas from the gas outlet (13) send, by the road to the air inlet (17) of compressor (1), gas is compressed in compressor (1) sends inlet (20) to oil and water filters (4) from its gas outlet (18), the profit of sedimentation is discharged from the leakage fluid dram (21) of its underpart in filter (4), and filtered gas is sent to heat exchanger from outlet (22);
Shown in Fig. 4,5, described gas collector (3) comprises the sealing gland (25) at a tubular housing (24) and two ends, and an escape pipe (26) is housed on the gland of an end; Installing one porous gas distribution plate (27) in this tubular housing (24), a plurality of times collection are housed on the tubular cavity wall of the side of this distribution plate (27) go into tracheae (28), the return-air of refrigeration application equipment is gone into tracheae (28) through this and is collected in the gas collector (2), installing one thermocouple (29) in the tubular cavity of the opposite side of distribution plate (27), return-air evenly distributes through distribution plate (27), and thermocouple (29) can accurately be monitored suction temperature; Escape pipe (26) links to each other with the air inlet (10) of described gas mixing dryer (2), and collected return-air is admitted to the mixed drier (2) of gas;
Described refrigerating part comprises differential pressure refrigeration device (31), and distributor (51) and two gas circuits are controlled magnetic valve (45), (46);
Differential pressure refrigeration device (31) is a core apparatus of the present invention, be open in 92113032 the Chinese patent in application number, shown in Fig. 6,7, refrigerator (31) comprises the outer solid (32) of an opposite opened expansion chamber, should outer solid (32) inside be a spherical expansion chamber (33), insulation antiseptic coating liner (34) is housed in the spherical cavity (33), plays the heat insulating and corrosion effect; An air inlet pipe (35) is respectively installed in the relative both sides of solid (32) outside, be fixed with a nozzle (36) in this air inlet pipe (35), two air inlet pipe respectively with respect to the spherical cavity axis with parallel symmetric mode setting, nozzle (36) Shen is to spherical cavity (33) inwall, for strengthening the compressed-air actuated expansion effect that is entered, the front portion of nozzle (36) is a thin footpath straight tube (37), make the gases at high pressure that enter in nozzle, be not cushioned decompression and until the nozzle port of export just sudden pressure reduction expand; One cold air tap is arranged under described spherical cavity (33), install a cold conduit (38), one hot gas tap is arranged directly over spherical cavity (33), install a heat pipe (39), one upper gas chamber (40) is set outside heat pipe (39), has heat outlet (41) on the upper gas chamber (40), and an adjusting lever (42) is housed, in order to adjust the thermal current flow, to regulate the ratio and the temperature of hot and cold air; Described heat outlet (41) and cold conduit (38) communicate with an inlet of two three-way solenoid valves (45), (46) respectively, one outlet of two triple valves (45), (46) links to each other with a water spilage tray (48), and the another outlet of two valves is connected with the inlet (52) of distributor (51);
Distributor (51) shown in Fig. 8,9, has an opposite opened insulation shell (53), is a spherical cavity in the housing, and cavity wall has liner (54); One air intake (52) that is communicated with triple valve (45) is housed on the housing, receives gas, have a gas outlet (55) to communicate with the cold airflow inlet of heat exchanger from differential pressure refrigeration device (31); Also be equiped with a plurality of refrigeration gas outlets (56) on the housing, gas outlet (56) are connected with refrigerator pipe, in order to export refrigerant gas to application apparatus;
Between aforementioned source of the gas part and refrigerating part, one heat exchanger (60) is set, this heat exchanger (60) is a counter current exchanger, enter the thermal current inlet (61) of heat exchanger (60) from the air of source of the gas part oil and water filters (4), from outlet (62) output, divide two-way to deliver to the air inlet pipe (35) of differential pressure refrigeration device (31) through heat exchange; Enter the cold airflow inlet (63) of heat exchanger (60) from the cold air of the gas outlet (55) of distributor (51), after heat exchange, send, be delivered to the inlet chamber (6) of gas mixing dryer (2) from outlet (64).
The course of work of refrigerating plant embodiment of the present invention is exemplified below:
Gas mixing dryer (2) carries out combination drying with 32 ℃ make-up gas ,-10 ℃ refrigeration return-air and 27 ℃ interchanger return-air three road gases, exports 14.5 ℃ gas and supplies with compressor (1) as source of the gas;
The specification of institute's employing compressor (1) is as follows: capacity-4.5m
3/ h, power-120W, operating pressure＞1.0Mpa, describedly go out gases at high pressure through the elimination profit, under 0.8Mpa pressure, 25-28 ℃ temperature, enter heat exchanger (60), the cold air source of heat exchanger (60) is by the output-15--17 ℃ of cold air in distributor (51) gas outlet (55), and 27 ℃ return-air is sent into gas mixing dryer (2) after heat exchange;
High pressure gas is reduced to 16.5 ℃ through heat exchange and is sent into differential pressure refrigeration device (31), through the cooling of expanding, output below-16 ℃ cold air and 46 ℃ hot gas;
The trend of air-flow is controlled by triple valve (45) (46); When refrigeration application, triple valve (45) (46) is communicated with water spilage tray (48) and distributor (51) air intake (52) respectively, carries refrigerant gas to distributor (51), discharges hot gas to drainage box (8); When needs used hot gas, triple valve (45) (46) was communicated with the air inlet (52) and the water spilage tray (48) of distributor (51) respectively, provides hot gas to distributor (51), discharged cold air to water spilage tray (48);
When-15 ℃ cold air enters the spherical cavity of distributor (51), further cooling (2-4 ℃), because of the little supercharging once more of escape pipe caliber, the spherical inner chamber structure of distributor (51) makes that also gas can be from a plurality of gas outlets (56) evenly output during gas output; The peculiar structure of distributor (51) has played cooling to gas, the effect of supercharging, uniform distribution;
The collect return-air below-10 ℃ of self-application equipment of gas collector (3), gas evenly distributes behind over-allocation dividing plate (27), thereby monitoring thermocouple (29) can accurately record suction temperature, controls with the operation to refrigeration system in view of the above.
The invention described above non-freon air-cooled refrigeration unit can make up with any refrigeration application equipment, does not need complicated huge cooler, evaporimeter, utilizes thin-wall copper pipe to carry out the cold air transmission and gets final product, and running noises is lower than 30 decibels.
Claims (4)
1, a kind of non-freon air-cooled refrigeration unit comprises source of the gas part, refrigerating part, heat exchanger assembly and cabinet shell; It is characterized in that:
Source of the gas partly comprises compressor, gas mixing dryer, gas collector, oil and water filters;
Gas mixing dryer receives and extraneously to replenish air, from the refrigeration return-air and the heat exchanger return-air of gas collector, with three road gases mix, drying, send the supply compressor by wind wheel then;
Compressor compresses above-mentioned mixing air, delivers to oil and water filters then, delivers to heat exchanger after filtering;
Gas collector is collected the return-air of refrigeration application equipment, and it is delivered to gas mixing dryer;
Refrigerating part comprises differential pressure refrigeration device, distributor and two gas path control valves; The differential pressure refrigeration device comprises that one has the outer solid of spherical inner chamber, and corrosion-resistant thermal insulation coating liner is arranged in the chamber, and an air inlet pipe respectively is equipped with the parallel symmetry of spherical cavity axis in the relative both sides of solid outside this, and nozzle is equipped with in air inlet pipe the inner, and the nozzle front end is a thin footpath straight tube; One cold air delivery line is arranged under the spherical cavity, and there is a hot gas delivery line spherical cavity top, at the heat outlet place one adjusting lever is arranged, in order to regulate the ratio and the temperature of hot and cold air; Cold conduit and heat pipe are connected with an inlet of two triple valves respectively;
Distributor comprises air intake, a plurality of cold air gas outlet and another gas outlet that is connected with heat exchanger that is connected with cold conduit that is connected with an outlet of two triple valves; Refrigerant gas is evenly exported by a plurality of cold conduits and is delivered to application apparatus;
Another outlet of two triple valves is communicated with a water spilage tray;
Heat exchanger is installed between source of the gas part and the refrigerating part, enter the thermal current inlet of heat exchanger from the compressed air of source of the gas part oil and water filters, deliver to the air inlet pipe of differential pressure refrigeration device through heat exchange output, from distributor one gas outlet enter the cold airflow inlet of heat exchanger than cold airflow, deliver to gas mixing dryer through heat exchange output;
One container body of outer cover, in load onto and state whole refrigerating plants, have refrigerator pipe outlet and muffler to enter the mouth on the housing, action button and display are housed on the panel.
2, refrigerating plant as claimed in claim 1 is characterized in that: described distributor has a spherical inner chamber and gas outlet, a plurality of gas outlet is connected with air coolant tube, and the corrosion-resistant thermal insulation liner is arranged in the spherical cavity.
3, refrigerating plant as claimed in claim 2 is characterized in that: described gas collector has tubular cavity, and a horizontal porous gas distributes dividing plate in the chamber, and tube chamber top is installed a plurality of return-airs and gone into tracheae, and the monitoring thermocouple is housed in the tube chamber of distribution plate bottom.
4, refrigerating plant as claimed in claim 3, it is characterized in that: described gas mixing dryer is made up of the inlet chamber, drier, the wind pushing cavity that link to each other successively, inlet chamber has an air inlet to be connected with gas collector, heat exchanger, accept both return-airs, on the inlet chamber wall steel mesh is arranged, replenish new gas to suck; Three road gases enter wind pushing cavity after mixing the drying device, and installing one wind wheel in the wind pushing cavity is sent gas the supply compressor under motor-driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102296 CN1083579A (en) | 1993-03-10 | 1993-03-10 | Non-freon air-cooled refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102296 CN1083579A (en) | 1993-03-10 | 1993-03-10 | Non-freon air-cooled refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1083579A true CN1083579A (en) | 1994-03-09 |
Family
ID=4984052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93102296 Pending CN1083579A (en) | 1993-03-10 | 1993-03-10 | Non-freon air-cooled refrigeration unit |
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| Country | Link |
|---|---|
| CN (1) | CN1083579A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721042B (en) * | 2004-05-07 | 2011-04-13 | 帕克希罗斯股份公司 | Refrigeration-based compressed-gas dryer |
| CN105485803A (en) * | 2014-09-15 | 2016-04-13 | 张奠立 | Fan temperature adjusting device |
-
1993
- 1993-03-10 CN CN 93102296 patent/CN1083579A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721042B (en) * | 2004-05-07 | 2011-04-13 | 帕克希罗斯股份公司 | Refrigeration-based compressed-gas dryer |
| CN105485803A (en) * | 2014-09-15 | 2016-04-13 | 张奠立 | Fan temperature adjusting device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |