CN112169552A - Refrigerant energy-saving refrigerating system for freezing type dryer - Google Patents
Refrigerant energy-saving refrigerating system for freezing type dryer Download PDFInfo
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- CN112169552A CN112169552A CN202011094288.5A CN202011094288A CN112169552A CN 112169552 A CN112169552 A CN 112169552A CN 202011094288 A CN202011094288 A CN 202011094288A CN 112169552 A CN112169552 A CN 112169552A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
Abstract
The invention belongs to the technical field of refrigeration, and particularly discloses a refrigerant energy-saving refrigeration system for a freezing type dryer, which comprises: the system comprises a compressor, a condenser, a subcooler, a throttling device, an evaporator, a precooler and a gas-water separator; the compressor is used for storing a refrigerant, the refrigerant is subjected to a series of treatments on the temperature and the pressure of the refrigerant through the compressor, the condenser, the subcooler and the throttling device, the refrigerant and compressed air entering the precooler complete heat exchange in the evaporator, the refrigerant finally returns to the compressor, the next cycle is continued, the precooler realizes the first recovery of cold energy when the compressed air passes through a gas cooling pipe of the precooler, and the subcooler realizes the second recovery of cold energy when the compressed air circulates in the subcooler. The refrigerant energy-saving refrigerating system can effectively reduce the cost and the energy loss in operation, and when the refrigerating capacity of the refrigerating system is increased, the power consumption of the compressor is kept unchanged, the energy loss is reduced, and the overall working efficiency of the refrigerating system is improved.
Description
Technical Field
The invention belongs to the technical field of refrigeration, and particularly relates to a refrigerant energy-saving refrigeration system for a freezing type dryer.
Background
The freeze drying technology is a high and new technology, has wide application field, and has wide application in the fields of bioengineering, medicine industry, food industry, material science, deep processing of agricultural and sideline products and the like.
At present, a common freezing dryer is composed of a precooler and a vapor compression refrigeration system, compressed air is cooled by the precooler and the vapor compression refrigeration system, water vapor in the compressed air is liquefied into condensed water, and water is removed by a gas-liquid separator to obtain dry air. The vapor compression type refrigerating system mainly comprises a compressor, a condenser, an evaporator and a throttling device, wherein the compressor is an energy consumption device, the condenser discharges heat to the environment, the environment temperature of the freezing type dryer is 35 ℃, and the condensing temperature is approximately 47 ℃; the working principle is as follows: the low-pressure refrigerant passes through the compressor and is compressed into high-temperature high-pressure gas, the high-temperature high-pressure gas passes through the condenser and is condensed into high-pressure low-temperature liquid, the high-pressure low-temperature liquid passes through the throttling device and is throttled to become low-pressure low-temperature two phases, the low-pressure low-temperature two-phase refrigerant enters the evaporator, the heat absorbed in the evaporator is changed into low-pressure gas, and finally the low-pressure low-temperature two-phase refrigerant.
Usually in order to realize the increase effect of refrigerating capacity, set up the subcooler behind the condenser, and under the same refrigerating capacity, add the subcooler in the refrigerating system, can realize that refrigerating system's energy loss is lower, and cooling efficiency is higher, but the actual conditions is the cold source that hardly finds suitable refrigerant and be used for cooling the subcooler, consequently, technical personnel in the field need provide a rational in infrastructure heat exchange system urgently, with the coefficient of performance of improvement refrigerating system's refrigerating capacity and system, reduce energy loss and cost.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the refrigerant energy-saving refrigerating system for the freezing type dryer is provided to solve the problems of small refrigerating capacity, low performance coefficient, huge working energy loss and high cost of the refrigerating system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a refrigerant energy-saving refrigerating system for a freezing type dryer, which comprises: the system comprises a compressor, a condenser, a subcooler, a throttling device, an evaporator, a precooler and a gas-water separator;
the compressor is used for storing low-temperature low-pressure gaseous refrigerant and compressing the low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant;
the condenser is used for condensing the high-temperature and high-pressure gaseous refrigerant into a high-pressure liquid refrigerant;
the subcooler is used for further cooling the high-pressure liquid refrigerant and recovering the cold carried by the compressed air for the second time;
the throttling device is used for decompressing and throttling the high-pressure liquid refrigerant into a low-pressure low-temperature two-phase refrigerant;
the precooler is used for carrying out primary cooling treatment on the compressed air and recovering cold carried by the compressed air for the first time;
the evaporator is used for exchanging heat between the low-pressure low-temperature two-phase refrigerant and compressed air and outputting a low-temperature low-pressure gaseous refrigerant to the compressor; simultaneously carrying out secondary cooling treatment on the compressed air;
the gas-water separator is used for gas-liquid separation, carrying out third temperature reduction treatment on the compressed air and conveying the compressed air to the precooler.
The low-temperature low-pressure gaseous refrigerant is compressed by the compressor, condensed by the condenser, further cooled by the subcooler, depressurized and throttled by the throttling device in sequence, finally returns to the compressor through the circulating pipeline and enters the next cycle.
The compressed air sequentially passes through the precooler to be cooled for the first time, and the compressed air releases energy; the evaporator is cooled for the second time, the temperature is greatly reduced, and the compressed air releases energy; the gas-water separator is used for cooling for the third time, and the compressed air releases energy; the temperature is raised for the first time through the precooler, the compressed air absorbs heat, and part of cold is recovered; and finally, the compressed air enters the subcooler for secondary temperature rise, the compressed air absorbs heat, and the cold energy is recovered for the second time.
And after a series of temperature reduction treatments, the low-temperature and low-pressure gaseous refrigerant completes heat exchange with the compressed air in the evaporator, returns to the compressor, continues the next cycle, and is finally discharged through the subcooler.
Further, the compressor, the condenser, the subcooler, the throttling device and the evaporator are communicated in sequence through a circulation pipeline to form a closed loop.
Furthermore, the subcooler, the precooler, the evaporator and the gas-water separator are of an integrally formed structure, a first channel is arranged between the precooler and the evaporator, and a second channel is arranged between the evaporator and the gas-water separator.
Further, an air inlet is formed in the end face of the precooler; a plurality of first baffle plates are arranged in the precooler in the vertical direction; the precooler is provided with a first side plate and a second side plate, the first side plate is provided with a plurality of first through holes, the second side plate is provided with a plurality of second through holes, and the first through holes correspond to the second through holes one to one; a plurality of gas cooling pipes are arranged in the precooler in the horizontal direction; the gas cooling pipe penetrates through the first baffle plate and is fixed on the first through hole and the second through hole.
Further, a plurality of second baffle plates are arranged in the evaporator in the vertical direction; a first coil pipe is arranged inside the evaporator; the first coil pipe is fixedly arranged on the second baffle plate; the evaporator is provided with a first inlet end and a first outlet end, and the first inlet end and the first outlet end are arranged on the same side of the evaporator.
Further, the gas-water separator is provided with an automatic drain valve, and the gas-water separator is communicated with the precooler through a first through hole in the first side plate.
Furthermore, an air outlet is formed in the end face of the subcooler; a second coil pipe is arranged in the subcooler; a plurality of third flow folding plates are arranged in the subcooler in the vertical direction; the second coil pipe is fixedly arranged on the third flow folding plate; the subcooler is provided with a second inlet end and a second outlet end, and the second inlet end and the second outlet end are arranged on the same side of the subcooler.
Further, a third coil and a fan are fixedly installed on the condenser; the condenser is provided with a third inlet end and a third outlet end, the third inlet end is located at the upper end of one side face of the condenser, the third outlet end is located at the lower end of the other side face of the condenser, and the third outlet end is provided with an adjusting device.
Further, the compressor is provided with a fourth inlet end and a fourth outlet end, and the fourth inlet end are arranged on the same side of the compressor; and the fourth inlet end are respectively provided with an instrument display.
Further, the compressor the condenser with be provided with the steam bypass valve between the evaporimeter, steam bypass valve one end switch-on third entrance point and fourth exit end, the other end switch-on of steam bypass valve first exit end.
The invention has the beneficial effects that: the invention provides a refrigerant energy-saving refrigerating system for a freezing type dryer, which comprises: the system comprises a compressor, a condenser, a subcooler, a throttling device, an evaporator, a precooler and a gas-water separator; the compressor stores low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant is subjected to a series of treatments on the temperature and the pressure through the compressor, the condenser, the subcooler and the throttling device, and the low-temperature low-pressure gaseous refrigerant and compressed air coming from the precooler complete heat exchange in the evaporator, finally return to the compressor and continue the next cycle. When the compressed air enters a gas cooling pipe of the precooler, the precooler realizes the first recovery of cold quantity, the precooler uses the recovered cold quantity to cool the compressed air which carries a large amount of water vapor and has higher temperature and enters a cavity of the precooler, thereby reducing the heat load of a refrigeration system and achieving the effect of saving energy; the compressed air is finally discharged through the air outlet of the subcooler. Because the temperature difference between the temperature of the compressed air and the condensation temperature of the refrigerant is large, the flow of the compressed air is large, and the amount of cold carried by the compressed air is large, the amount of cold which can be recovered is large, and the refrigerating capacity of a refrigerating system can be increased. When the compressed air with the same flow is processed, the compressor with a smaller model can be selected, so that the cost is reduced, the energy loss in operation is reduced, and when the refrigerating capacity of the refrigerating system is increased, the power consumption of the compressor is kept unchanged, the energy loss is reduced, and the overall working efficiency of the refrigerating system is improved.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerant energy-saving refrigeration system.
Wherein: 1-a compressor; 101-a fourth outlet end; 102-a fourth inlet end; 2-a condenser; 201-a third coil; 202-a fan; 203-a third inlet end; 204-a third outlet end; 3-a subcooler; 301-air outlet; 302-a second coiled tube; 303-a third baffle plate; 304-a second inlet end; 305-a second outlet end; 4-a throttling device; 5-a precooler; 501-air inlet; 502-a first baffle plate; 503-a first side panel; 504-a second side panel; 505-gas cooling tubes; 6-an evaporator; 601-a second folding plate; 602-a first coiled tube; 603-a first inlet end; 604-a first outlet end; 7-a gas-water separator; 8-automatic drain valve; 9-a regulating device; 10-hot gas bypass valve; 11-a flow-through conduit; 12-instrument display.
Detailed Description
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited thereto.
Example 1
As shown in fig. 1, a refrigerant energy-saving refrigeration system for a freeze dryer includes: the system comprises a compressor 1, a condenser 2, a subcooler 3, a throttling device 4, an evaporator 5, a precooler 6 and a gas-water separator 7;
the compressor 1 is used for storing low-temperature low-pressure gaseous refrigerant and compressing the low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant;
the condenser 2 is used for condensing the high-temperature and high-pressure gaseous refrigerant into a high-pressure liquid refrigerant;
the subcooler 3 is used for further cooling the high-pressure liquid refrigerant and recovering the cold carried by the compressed air for the second time;
the throttling device 4 is used for decompressing and throttling the high-pressure liquid refrigerant into a low-pressure low-temperature two-phase refrigerant;
the precooler 5 is used for carrying out primary cooling treatment on the compressed air and recovering cold carried by the compressed air for the first time;
the evaporator 6 is used for exchanging heat between the low-pressure low-temperature two-phase refrigerant and the compressed air and outputting a low-temperature low-pressure gaseous refrigerant to the compressor; simultaneously carrying out secondary cooling treatment on the compressed air;
the gas-water separator 7 is used for gas-liquid separation, performing third temperature reduction treatment on the compressed air, and conveying the compressed air to the precooler.
The low-temperature and low-pressure gaseous refrigerant is compressed by the compressor 1, cooled by the condenser 2, further cooled by the subcooler 3, depressurized and throttled by the throttling device 4 in sequence through the circulating pipeline 11, finally returns to the compressor 1, and continues to perform the next cycle.
The compressed air sequentially passes through the inner cavity of the precooler 5, the inner cavity of the evaporator 6, the gas-water separator 7, the gas cooling pipe 505 of the precooler 5 and the inner cavity of the subcooler 3; the refrigerant in the evaporator tube is maintained at an evaporating temperature of about 0 ℃, and the compressed air is cooled to a saturated state of 2-10 ℃. The precooler is also used for recovering the cold energy carried by the compressed air and saving the cold energy of the refrigerating system. The compressed air is discharged through a subcooler, the discharge temperature being approximately 25 ℃.
The compressed air is cooled for the first time through the precooler 5, and the compressed air releases energy; the evaporator 6 is cooled for the second time, and the compressed air releases energy; the gas-water separator 7 is cooled for the third time, the compressed air releases energy and water drops are condensed out, and gas-liquid separation is realized; the temperature is raised for the first time through the gas cooling pipe 505 of the precooler 5, the compressed air absorbs heat, and part of cold carried by the compressed air is recovered; and finally, the air enters an inner cavity of the subcooler 3 for secondary heating, the compressed air absorbs heat, and the cold energy carried by the compressed air is recycled for the second time.
The low-temperature low-pressure gaseous refrigerant is subjected to a series of temperature reduction treatments, and then is subjected to heat exchange with compressed air in the evaporator 6, and then returns to the compressor 1 to enter the next cycle, and the compressed air enters the gas-water separator 7 and is finally discharged through the subcooler 3.
Preferably, the compressor 1, the condenser 2, the subcooler 3, the throttling device 4 and the evaporator 6 are connected in sequence by a flow conduit 11 and form a closed circuit.
The low-temperature low-pressure gaseous refrigerant is stored in the compressor 1, is compressed into high-temperature high-pressure gaseous refrigerant by the compressor 1 after the refrigeration system starts to operate, then enters the closed loop, completes heat energy exchange in the evaporator 6 after the refrigerant temperature and pressure are processed by the condenser 2, the subcooler 3, the throttling device 4 and the evaporator 6 in sequence, and then returns to the compressor 1 to continue the next cycle and continuously perform the cycle reciprocating work.
Preferably, the subcooler 3, the precooler 5, the evaporator 6 and the gas-water separator 7 are of an integrally formed structure, a first channel is arranged between the precooler 5 and the evaporator 6, a second channel is arranged between the evaporator 6 and the gas-water separator 7,
wherein, the integrated structure is favorable for forming a closed environment, can effectively conduct compressed air to enter each device, ensures that the compressed air does not leak, ensures that the compressed air and each device can fully finish the interaction between energy, the arrangement of the first channel and the second channel ensures the communication among the precooler 5, the evaporator 6 and the gas-water separator 7, the compressed air circulates among the three devices through the first channel and the second channel, the compressed air orderly circulates in the precooler 5, the evaporator 6 and the gas-water separator 7, the heat energy exchange is finished in the evaporator 6, the compressed air realizes the first recovery of cold energy when passing through the gas cooling pipe 505 of the precooler 5, the precooler uses the recovered cold energy to cool the compressed air with higher temperature carrying large amount of water vapor in the cavity of the precooler, thereby reducing the heat load of the refrigerating system, the energy-saving effect is achieved.
Preferably, the precooler 5 is provided with an air inlet 501 on the end surface; a plurality of first baffle plates 502 are arranged in the precooler in the vertical direction; the precooler 5 is provided with a first side plate 503 and a second side plate 504, the first side plate 503 is provided with a plurality of first through holes, the second side plate 504 is provided with a plurality of second through holes, and the first through holes correspond to the second through holes one to one; a plurality of gas cooling pipes 505 are horizontally arranged in the precooler 5; the gas cooling pipe 505 is fixed to the first and second through holes through the first baffle plate 502.
The precooler 5 is provided with an air inlet 501 capable of effectively guiding compressed air into a refrigerating system, the design of the first baffle plate 502 is beneficial to guiding the compressed air, so that the compressed air and the precooler 5 can fully complete heat energy exchange, meanwhile, the precooler 5 carries out cooling treatment on the compressed air, the compressed air separates out partial condensate water, the first side plate 503 and the second side plate 504 are respectively provided with a first through hole and a second through hole, so that the gas cooling pipe 505 of the precooler 1 is communicated with the inner cavity of the subcooler 3 and the inner cavity of the gas-water separator 7, and the compressed air can smoothly enter the gas cooling pipe 505 of the precooler 1 after being treated by the gas-water separator 7 through the first through hole, and can smoothly enter the cavity of the subcooler 3 through the second through hole.
Preferably, a plurality of second baffle plates 601 are vertically arranged inside the evaporator 6; a first coil pipe 602 is arranged inside the evaporator 6; the first coil pipe 602 is fixedly installed on the second baffle 601; the evaporator is provided with a first inlet port 603 and a first outlet port 604, the first inlet port 603 and the first outlet port 604 being provided on the same side of the evaporator 6.
The second baffle 601 can play a role in guiding and fixing, and is used for guiding compressed air, ensuring that the compressed air smoothly enters the gas-water separator 7, and meanwhile, the first coil pipe 602 can be fixedly installed, so that the structural stability of the evaporator 6 is enhanced; the first inlet 603 and the first outlet 604 are arranged on the same side of the evaporator 1, which is advantageous for saving the occupied space of the whole refrigeration device and facilitating the installation of the flow conduit 11.
Preferably, the gas-water separator 7 is provided with an automatic drain valve 8, and the gas-water separator 7 is communicated with the precooler 5 through a first through hole on the first side plate 503. Due to the structural design, the compressed air can be further cooled and separated from gas and liquid, and meanwhile, the condensed water can be quickly discharged, so that the compressed air is smoothly guided into the gas cooling pipe 505 of the precooler 5.
Preferably, the end surface of the subcooler 3 is provided with an air outlet 301; a second coil 302 is arranged in the subcooler 3; a plurality of third flow folding plates 303 are arranged in the vertical direction in the subcooler 3; the second coil 302 is fixedly arranged on the third baffle plate 303; the subcooler 3 is provided with a second inlet end 304 and a second outlet end 305, the second inlet end 304 and the second outlet end 305 being disposed on the same side of the subcooler 3.
The second coil 302 is designed to facilitate the circulation of the refrigerant and to sufficiently cool the refrigerant; the third baffle plate 303 guides the flow of the compressed air, ensures that the compressed air and the subcooler 3 fully complete the heat energy exchange, realizes the secondary recovery of the cold energy, and simultaneously, the subcooler cools the refrigerant by the recovered part of the cold energy, thereby achieving the effect of saving energy. And the compressed air is led out in order to be smoothly discharged, and meanwhile, the third straight flow plate 303 also plays a role of fixing the second coil pipe 302, thereby enhancing the structural stability of the subcooler 3.
Preferably, the condenser 2 is fixedly provided with a third coil 201 and a fan 202; the condenser 2 is provided with a third inlet end 203 and a third outlet end 204, the third inlet end 203 is located at the upper end of one side surface of the condenser 2, the third outlet end 204 is located at the lower end of the other side surface of the condenser 2, and the third outlet end 204 is provided with the adjusting device 9.
The third coil 201 is designed to facilitate the circulation of the refrigerant, and prolong the circulation time of the refrigerant in the condenser 2, so that the refrigerant can be sufficiently cooled; the third outlet end 204 is provided with the adjusting device 9, so that the adjustment of the cooling capacity of the refrigerant is conveniently realized, meanwhile, the circulating pipeline is convenient to install due to the design of the third inlet end 203 and the third outlet end 204, the design of the fan 202 is favorable for increasing the condensation effect, the hot air is dredged, the service life of the condenser 2 is prolonged, and the energy loss is reduced.
Preferably, the compressor 1 is provided with a fourth inlet end 101 and a fourth outlet end 102, the fourth inlet end 101 and the fourth inlet end 102 being provided on the same side of the compressor 1; the fourth inlet port 101 and the fourth inlet port 102 are provided with the meter displays 12, respectively.
The design of the fourth inlet port 101 and the fourth outlet port 102 is favorable for facilitating the connection of the circulation pipeline 11, and the compression amount of the refrigerant by the compressor 1 can be conveniently adjusted through the instrument display 12, so that the overload operation of the compressor 1 is prevented, the safety fault of the compressor 1 is avoided, and the service life of the compressor 1 is prolonged.
Preferably, a hot gas bypass valve 10 is disposed between the compressor 1, the condenser 2 and the evaporator 6, one end of the hot gas bypass valve 10 is connected to the third inlet end 203 and the fourth outlet end 101, and the other end of the hot gas bypass valve 10 is connected to the first outlet end 604.
The hot gas bypass valve can effectively bypass the required exhaust gas to the low-pressure side automatically to maintain low evaporation pressure, avoid overload operation of the compressor, reduce the occurrence of faults of the compressor, prolong the service life of the compressor and reduce the use cost of the refrigeration equipment.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the invention as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A refrigerant energy-saving refrigerating system for a freezing type dryer is characterized by comprising: the system comprises a compressor, a condenser, a subcooler, a throttling device, an evaporator, a precooler and a gas-water separator;
the compressor is used for storing low-temperature low-pressure gaseous refrigerant and compressing the low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant;
the condenser is used for condensing the high-temperature and high-pressure gaseous refrigerant into a high-pressure liquid refrigerant;
the subcooler is used for further cooling the high-pressure liquid refrigerant and recovering the cold carried by the compressed air for the second time;
the throttling device is used for decompressing and throttling the high-pressure liquid refrigerant into a low-pressure low-temperature two-phase refrigerant;
the precooler is used for carrying out primary cooling treatment on the compressed air and recovering cold carried by the compressed air for the first time;
the evaporator is used for exchanging heat between the low-pressure low-temperature two-phase refrigerant and compressed air and outputting a low-temperature low-pressure gaseous refrigerant to the compressor; simultaneously carrying out secondary cooling treatment on the compressed air;
the gas-water separator is used for gas-liquid separation, carrying out third temperature reduction treatment on the compressed air and conveying the compressed air to the precooler.
2. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 1, wherein:
the compressor, the condenser, the subcooler, the throttling device and the evaporator are communicated in sequence through a circulation pipeline to form a closed loop.
3. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 1, wherein:
the subcooler, the precooler, the evaporator and the gas-water separator are of an integrally formed structure, a first channel is arranged between the precooler and the evaporator, and a second channel is arranged between the evaporator and the gas-water separator.
4. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 3, wherein:
an air inlet is formed in the end face of the precooler;
a plurality of first baffle plates are arranged in the precooler in the vertical direction;
the precooler is provided with a first side plate and a second side plate, the first side plate is provided with a plurality of first through holes, the second side plate is provided with a plurality of second through holes, and the first through holes correspond to the second through holes one to one;
a plurality of gas cooling pipes are arranged in the precooler in the horizontal direction;
the gas cooling pipe penetrates through the first baffle plate and is fixed on the first through hole and the second through hole.
5. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 3, wherein:
a plurality of second baffle plates are arranged in the evaporator in the vertical direction;
a first coil pipe is arranged inside the evaporator;
the first coil pipe is fixedly arranged on the second baffle plate;
the evaporator is provided with a first inlet end and a first outlet end, and the first inlet end and the first outlet end are arranged on the same side of the evaporator.
6. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 4, wherein:
the gas-water separator is provided with an automatic drain valve and is communicated with the precooler through a first through hole in the first side plate.
7. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 4, wherein:
the subcooler is communicated with the precooler through a second through hole on the second side plate;
an air outlet is formed in the end face of the subcooler;
a second coil pipe is arranged in the subcooler;
a plurality of third flow folding plates are arranged in the subcooler in the vertical direction;
the second coil pipe is fixedly arranged on the third flow folding plate;
the subcooler is provided with a second inlet end and a second outlet end, and the second inlet end and the second outlet end are arranged on the same side of the subcooler.
8. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 5, wherein:
the condenser is fixedly provided with a third coil pipe and a fan;
the condenser is provided with a third inlet end and a third outlet end, the third inlet end is located at the upper end of one side face of the condenser, the third outlet end is located at the lower end of the other side face of the condenser, and the third outlet end is provided with an adjusting device.
9. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 8, wherein:
the compressor is provided with a fourth inlet end and a fourth outlet end, and the fourth inlet end are arranged on the same side of the compressor; and the fourth inlet end are respectively provided with an instrument display.
10. The refrigerant energy-saving refrigerating system for the freezing type dryer as claimed in claim 9, wherein:
the compressor the condenser with be provided with the steam bypass valve between the evaporimeter, steam bypass valve one end switch-on third entrance point and fourth exit end, the other end switch-on of steam bypass valve first exit end.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414766A (en) * | 2022-09-01 | 2022-12-02 | 南通超曼滤清器有限公司 | Gas dryer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253315A (en) * | 1979-02-16 | 1981-03-03 | Arrow Pneumatics, Inc. | Refrigerated air dryer |
| RU2011125C1 (en) * | 1991-03-05 | 1994-04-15 | Научно-исследовательский институт энергетического машиностроения МГТУ им.Н.Э.Баумана | Plant for drying compressed air |
| JP2004216363A (en) * | 2002-11-22 | 2004-08-05 | Nippon Seiki Kk | Refrigerating type air dryer |
| CN2879088Y (en) * | 2005-12-08 | 2007-03-14 | 十堰邦本科工贸有限公司 | Heat exchanging module and refrigerant compressed-air purification machine |
| CN204182270U (en) * | 2014-11-10 | 2015-03-04 | 苏州赛弗尔机械有限公司 | Condensing hot air furnace freezing type drier |
-
2020
- 2020-10-14 CN CN202011094288.5A patent/CN112169552A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253315A (en) * | 1979-02-16 | 1981-03-03 | Arrow Pneumatics, Inc. | Refrigerated air dryer |
| RU2011125C1 (en) * | 1991-03-05 | 1994-04-15 | Научно-исследовательский институт энергетического машиностроения МГТУ им.Н.Э.Баумана | Plant for drying compressed air |
| JP2004216363A (en) * | 2002-11-22 | 2004-08-05 | Nippon Seiki Kk | Refrigerating type air dryer |
| CN2879088Y (en) * | 2005-12-08 | 2007-03-14 | 十堰邦本科工贸有限公司 | Heat exchanging module and refrigerant compressed-air purification machine |
| CN204182270U (en) * | 2014-11-10 | 2015-03-04 | 苏州赛弗尔机械有限公司 | Condensing hot air furnace freezing type drier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414766A (en) * | 2022-09-01 | 2022-12-02 | 南通超曼滤清器有限公司 | Gas dryer |
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