CN2902427Y - Deep refrigerant drying machine - Google Patents

Deep refrigerant drying machine Download PDF

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Publication number
CN2902427Y
CN2902427Y CN 200520027897 CN200520027897U CN2902427Y CN 2902427 Y CN2902427 Y CN 2902427Y CN 200520027897 CN200520027897 CN 200520027897 CN 200520027897 U CN200520027897 U CN 200520027897U CN 2902427 Y CN2902427 Y CN 2902427Y
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China
Prior art keywords
air
connects
manually
valve
operated gate
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Expired - Lifetime
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CN 200520027897
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Chinese (zh)
Inventor
昝海安
陈国栋
王家胜
冯伟
文江
孟兆玉
陈绍伦
商凤媛
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Second Harbour Co Ltd Tianjin Port
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Second Harbour Co Ltd Tianjin Port
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Priority to CN 200520027897 priority Critical patent/CN2902427Y/en
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Abstract

Disclosed is a deep coolant desiccator which comprises an air recycling portion, a refrigerating portion and a control portion, wherein the air recycling portion comprises an air heat exchanger, a left evaporator, a right evaporator, an air-water separator, an air frost-melting magnetic valve and a magnetic valve connector. The refrigerating portion comprises a refrigeration compressor, a chiller, a dry filter, an oil separator, a hand-operated valve, a thermal expansion valve, a reservoir, an air-liquid separator and a frost-melting magnetic valve. The control portion comprises a PLC program controller, a dual-pressure controller, an oil pressure difference controller, a manometer, a digital temperature meter, a temperature sensor and a fan frequency converter. The deep coolant desiccator is a novel high-pressure air drying apparatus, dehydrates and dries compressed air of power air source to make air-actuated apparatus capable of all-weather well running.

Description

Deep cooling matchmaker drying machine
Technical field
The utility model belongs to the source of the gas gas drier, particularly a kind of deep cooling matchmaker drying machine.
Background technology
Second Harbour Co Ltd, Tianjin Port Bulk Grain station is the fire-proof and explosion-proof unit of emphasis, so, pneumatic equipment is adopted at a lot of positions, from the compressed air that compressor is got rid of, contain a lot of moisture, if these directly flow to pneumatic system and use without cooling, compressed air dry, purified treatment, to produce very adverse influence---make the compressed air piping corrosion, pneumatic element is stuck, especially northern cold winter, to cause air delivering pipeline ice stifled, hinder compressed-air actuated conveying, influence the operate as normal of pneumatic equipment.Original equipment adopts the molecular sieve drying machine, and effect is undesirable, because the silo transformation has increased a lot of pneumatic equipments, former drying machine compressed air treating capacity has not reached requirement again.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of deep cooling matchmaker drying machine is provided.The compressed air of power gas source is dehydrated, make the pneumatic equipment can round-the-clock good operation.
The technical solution of the utility model is:
A kind of deep cooling matchmaker drying machine is characterized in that: be made up of air circulation part, refrigerating part and control section;
Air circulation part: have air heat exchanger, left evaporimeter, right evaporimeter, moisture trap, air defrost magnetic valve, air magnetic valve to connect to form; External air inlet pipe connects the import of the hot road pipeline in the air heat exchanger by manually-operated gate A, the outlet of the hot road pipeline in the air heat exchanger connects the import of moisture trap, the dewatering outlet of moisture trap connects automatically controlled discharging valve D, lead up to air magnetic valve A ' and connect left evaporator in the gas outlet of moisture trap, another road connects right evaporator by air magnetic valve B ', the outlet of left side evaporimeter connects automatically controlled discharging valve A, the outlet of right evaporimeter connects automatically controlled discharging valve B, the outlet of left side evaporimeter connects the import of the cold road pipeline in the air heat exchanger by air magnetic valve A, the outlet of right evaporimeter is by the import of the cold road pipeline in the air magnetic valve B connection air heat exchanger, and the outlet of the cold road pipeline in the air heat exchanger connects outlet pipe by manually-operated gate B; The import of the hot road pipeline in the air heat exchanger connects air defrost magnetic valve A, the air defrost magnetic valve B of two parallel connections by pressure-reducing valve, an air defrost magnetic valve A is connected left evaporator, and another air defrost magnetic valve B is connected right evaporator;
Refrigerating part: the refrigeration compressor outlet connects condenser inlet by oil eliminator, condensator outlet connects reservoir by manually-operated gate I, reservoir connects device for drying and filtering by manually-operated gate J, the device for drying and filtering other end connects manually-operated gate G, the manually-operated gate G other end one tunnel connects manually-operated gate C successively, magnetic valve A, the capillary import of heating power expansion valve A and left evaporimeter, another road of the manually-operated gate G other end connects manually-operated gate D successively, magnetic valve B, the capillary import of heating power expansion valve B and right evaporimeter, the capillary outlet of left side evaporimeter connects the refrigeration compressor import by return-air valve A, and the capillary outlet of right evaporimeter connects the refrigeration compressor import by return-air valve B.
The capillary import of left side evaporimeter connects manually-operated gate H by left check valve A, and the capillary import of right evaporimeter also connects manually-operated gate H by right check valve B, and the manually-operated gate H other end connects reservoir.
Between the manually-operated gate G that device for drying and filtering connects and the capillary import of left evaporimeter, and in parallel with manually-operated gate C, magnetic valve A, heating power expansion valve A, connect manually-operated gate C ', magnetic valve A ', heating power expansion valve A ' successively; Between the manually-operated gate G that device for drying and filtering connects and the capillary import of right evaporimeter, and in parallel with manually-operated gate D, magnetic valve B, heating power expansion valve B, connect manually-operated gate D ', magnetic valve B ', heating power expansion valve B ' successively.
Connect outer side valve door between external air inlet pipe and the outlet pipe; Side valve door in connecting between the outlet of the cold road pipeline in the air heat exchanger and the import of the cold road pipeline in the air heat exchanger.
The capillary outlet of left side evaporimeter connects manually-operated gate E by defrost valve A, and the capillary outlet of right evaporimeter connects manually-operated gate E by defrost valve B, and the other end of manually-operated gate E connects condenser inlet.
Connect cleaning valve between the gas outlet of moisture trap and the import of the cold road pipeline in the air heat exchanger.
Respectively be connected with electric contact temp Table A, electric contact thermometer B and Pressure gauge A, Pressure gauge B on external air inlet pipe and the outlet pipe.
The exit of the hot road pipeline in air heat exchanger has the import and export place of temperature sensor D, left evaporimeter that temperature sensor A and temperature sensor A ' are arranged; There are temperature sensor B and temperature sensor B ' in the import and export place of right evaporimeter.
The utility model effect is: deep cooling matchmaker drying machine is a novel high-pressure source of the gas drying equipment, and the compressed air of power gas source is dehydrated, and makes the pneumatic equipment can round-the-clock good operation.The air dehydration drying that contracts that is used for harbour, mine, grain and oil processing pneumatic equipment.
Deep cooling matchmaker drying machine technical parameter
The compressor model 6DF-3000 Pressure leak source <-20℃
The air-treatment amount 30m 3/min The type of cooling Air-cooled
Intake air temperature 25℃-40℃ Cold-producing medium R22(R502)
Environment temperature -15℃-+40℃ Power supply 380±10%
Operating pressure 0.4Mpa-1.0Mpa Input power 30KW
System's crushing <0.08-0.03Mpa The air ports caliber φ80
Description of drawings.
Fig. 1 is a deep cooling matchmaker drying machine block diagram
Fig. 2 is deep cooling matchmaker drier structure figure
Among the figure: 1 air heat exchanger, 2 left evaporimeters, 3 right evaporimeters, 4 moisture traps, 5 refrigeration compressors, 6 oil eliminators, 7 condensers, 8 reservoirs, 9 devices for drying and filtering, 10 outer side valve doors, side valve door in 11,12 pressure-reducing valves, 13 cleaning valves, 14 discharging valve A, 15 discharging valve B, 16 discharging valve D, 17 air defrost magnetic valve A, 18 air defrost magnetic valve B, 19 return-air valve A, 20 return-air valve B, 21 manually-operated gate A, 22 manually-operated gate B, 23 manually-operated gate C, 24 manually-operated gate C ', 25 manually-operated gate D, 26 manually-operated gate D ', 27 manually-operated gate E, 28 manually-operated gate F, 29 manually-operated gate G, 30 manually-operated gate H, 31 manually-operated gate I, 32 manually-operated gate J, 33 air magnetic valve A, 34 air magnetic valve A ', 35 air magnetic valve B, 36 air magnetic valve B ', 37 defrost valve A, 38 defrost valve B, 39 expansion valve A, 40 expansion valve A ', 41 expansion valve B, 42 expansion valve B ', 43 magnetic valve A, 44 magnetic valve A ', 45 magnetic valve B, 46 magnetic valve B ', 47 temperature sensor A, 48 temperature sensor A ', 49 temperature sensor B, 50 temperature sensor B ', 51 temperature sensor D, 52 electric contact temp Table As, 53 electric contact thermometer B, 54 Pressure gauge A, 55 Pressure gauge B, 56 Pressure gauge D
The specific embodiment
A kind of deep cooling matchmaker drying machine shown in Figure 1 is made up of air circulation part, refrigerating part and control section;
Deep cooling matchmaker drying machine concrete structure shown in Figure 2:
Air circulation part: have air heat exchanger, left evaporimeter, right evaporimeter, moisture trap, air defrost magnetic valve, air magnetic valve to connect to form; External air inlet pipe connects the import of the hot road pipeline in the air heat exchanger by manually-operated gate A, the outlet of the hot road pipeline in the air heat exchanger connects the import of moisture trap, the dewatering outlet of moisture trap connects automatically controlled discharging valve D, lead up to air magnetic valve A ' and connect left evaporator in the gas outlet of moisture trap, another road connects right evaporator by air magnetic valve B ', the outlet of left side evaporimeter connects automatically controlled discharging valve A, the outlet of right evaporimeter connects automatically controlled discharging valve B, the outlet of left side evaporimeter connects the import of the cold road pipeline in the air heat exchanger by air magnetic valve A, the outlet of right evaporimeter is by the import of the cold road pipeline in the air magnetic valve B connection air heat exchanger, and the outlet of the cold road pipeline in the air heat exchanger connects outlet pipe by manually-operated gate B; The import of the hot road pipeline in the air heat exchanger connects air defrost magnetic valve A, the air defrost magnetic valve B of two parallel connections by pressure-reducing valve, an air defrost magnetic valve A is connected left evaporator, and another air defrost magnetic valve B is connected right evaporator;
Refrigerating part: the refrigeration compressor outlet connects condenser inlet by oil eliminator, condensator outlet connects reservoir by manually-operated gate I, reservoir connects device for drying and filtering by manually-operated gate J, the device for drying and filtering other end connects manually-operated gate G, the manually-operated gate G other end one tunnel connects manually-operated gate C successively, magnetic valve A, the capillary import of heating power expansion valve A and left evaporimeter, another road of the manually-operated gate G other end connects manually-operated gate D successively, magnetic valve B, the capillary import of heating power expansion valve B and right evaporimeter, the capillary outlet of left side evaporimeter connects the refrigeration compressor import by return-air valve A, and the capillary outlet of right evaporimeter connects the refrigeration compressor import by return-air valve B.
The capillary import of left side evaporimeter connects manually-operated gate H by left check valve A, and the capillary import of right evaporimeter also connects manually-operated gate H by right check valve B, and the manually-operated gate H other end connects reservoir.
Between the manually-operated gate G that device for drying and filtering connects and the capillary import of left evaporimeter, and in parallel with manually-operated gate C, magnetic valve A, heating power expansion valve A, connect manually-operated gate C ', magnetic valve A ', heating power expansion valve A ' successively; Between the manually-operated gate G that device for drying and filtering connects and the capillary import of right evaporimeter, and in parallel with manually-operated gate D, magnetic valve B, heating power expansion valve B, connect manually-operated gate D ', magnetic valve B ', heating power expansion valve B ' successively.
Connect outer side valve door between external air inlet pipe and the outlet pipe; Side valve door in connecting between the outlet of the cold road pipeline in the air heat exchanger and the import of the cold road pipeline in the air heat exchanger.
The capillary outlet of left side evaporimeter connects manually-operated gate E by defrost valve A, and the capillary outlet of right evaporimeter connects manually-operated gate E by defrost valve B, and the other end of manually-operated gate E connects condenser inlet.
Connect cleaning valve between the gas outlet of moisture trap and the import of the cold road pipeline in the air heat exchanger.
Respectively be connected with electric contact temp Table A, electric contact thermometer B and Pressure gauge A, Pressure gauge B on external air inlet pipe and the outlet pipe.
The exit of the hot road pipeline in air heat exchanger has the import and export place of temperature sensor D, left evaporimeter that temperature sensor A and temperature sensor A ' are arranged; There are temperature sensor B and temperature sensor B ' in the import and export place of right evaporimeter.
The utility model effect is: deep cooling matchmaker drying machine is a novel high-pressure source of the gas drying equipment, makes the power gas deep cooling compressed air dehumidification system can be with damp and hot compressed air through the secondary heat exchange, is cooled to pressure leak source temperature<-20 ℃.Because compressed air is cooled off by the degree of depth, and the moisture and the oil content that wherein contain are fully separated out, thereby the purpose that reaches efficient degreasing, dewaters.
This dry cooling system has adopted the high efficiency plate to stick up the formula thermal transducer, and the novel structure that adopts two coolers to be used alternatingly carries out freezing and defrosting, guarantees that it can continuously work.Cryogenic temperature is automaticallyed switch by intelligence instrument and shows that this machine also is provided with thermal overload protection, overheated and open-phase protection, high-low pressure and the protection of oil pressure difference; die, automatic protection functions such as outage; cooling blower has also adopted VFC, makes the operation safety and reliability, safeguards convenient.
Structure is formed: native system is made up of three parts: air circulation part, refrigerating part and control section.
(1) composition of air circulation part: air heat exchanger, left evaporimeter A, two evaporimeters of right evaporimeter B, moisture trap, automatically controlled discharging valve, air defrost magnetic valve, compositions such as air magnetic valve.
(2) composition of refrigerating part: refrigeration compressor, condenser, device for drying and filtering, air-breathing filter, oil eliminator, three-way magnetic valve, manually-operated gate, refrigerant form, heating power expansion valve, reservoir, gas-liquid separator, defrost magnetic valve and branch manifold solenoid valve.
(3) composition of control section: PLC program controller, dual-pressure controller, oil pressure difference controller, off-load controller, air manometer, height Pressure gauge, digital temperature meter, temperature sensor, fan frequency converter, compositions such as relay, contactor and switch.
Operation principle: native system dehumidifying mechanism is: will<40 ℃〉25 ℃ hot humid air sends into interchanger, exchange with the low humidity dried compressed air, make hot humid air be cooled to dew-point temperature first, slough moisture, air is when moisture trap, with gas-water separation, magnetic valve is regularly discharged water through discharging water.
Second step, compressed air after the dehumidifying is sent in A (left side) cooler (left evaporimeter), on the one hand, carry out heat exchange with the low temperature drying air, on the other hand, in evaporimeter, carry out heat exchange once more with cold-producing medium, compressed air is cooled to below pressure leak source<-20 ℃ again, is dewatered for the second time, then, by the road the compressed air of drying is sent, the moving equipment of air feed uses.Moisture condenses into frost in evaporimeter, be adsorbed on the evaporimeter inwall.In addition, at B (the right) cooler--in the right evaporimeter, with the high-temperature high-pressure refrigerant gas of refrigeration compressor output, the shunting sub-fraction is sent into and is carried out defrost in the evaporimeter, then, feed post-decompression hot compressed air again, the water behind the molten frost in the evaporimeter is regularly discharged outside the machine through magnetic valve.
Above-mentioned dehumanization method is reduced to pending compressed air temperature below the required dew-point temperature exactly dew point method, sloughs moisture, guarantees compressed air drying.
This machine is provided with the temperature dew point hygrometer, exhaust, pressure of inspiration(Pi) table, compressed air inlet and outlet pressure table, high-low pressure protector, overload of compressor overcurrent protector, cooling blower variable-frequency governor.Each evaporimeter is installed two heating power expansion valves, when the little load operation of this machine, can close an expansion valve.The temperature dew point hygrometer is used for the evaporating temperature and the pressure leak source temperature of compressed air after evaporator cools of test evaporator.

Claims (8)

1, a kind of deep cooling matchmaker drying machine is characterized in that: be made up of air circulation part, refrigerating part and control section;
Air circulation part: have air heat exchanger, left evaporimeter, right evaporimeter, moisture trap, air defrost magnetic valve, air magnetic valve to connect to form; External air inlet pipe connects the import of the hot road pipeline in the air heat exchanger by manually-operated gate A, the outlet of the hot road pipeline in the air heat exchanger connects the import of moisture trap, the dewatering outlet of moisture trap connects automatically controlled discharging valve D, lead up to air magnetic valve A ' and connect left evaporator in the gas outlet of moisture trap, another road connects right evaporator by air magnetic valve B ', the outlet of left side evaporimeter connects automatically controlled discharging valve A, the outlet of right evaporimeter connects automatically controlled discharging valve B, the outlet of left side evaporimeter connects the import of the cold road pipeline in the air heat exchanger by air magnetic valve A, the outlet of right evaporimeter is by the import of the cold road pipeline in the air magnetic valve B connection air heat exchanger, and the outlet of the cold road pipeline in the air heat exchanger connects outlet pipe by manually-operated gate B; The import of the hot road pipeline in the air heat exchanger connects air defrost magnetic valve A, the air defrost magnetic valve B of two parallel connections by pressure-reducing valve, an air defrost magnetic valve A is connected left evaporator, and another air defrost magnetic valve B is connected right evaporator;
Refrigerating part: the refrigeration compressor outlet connects condenser inlet by oil eliminator, condensator outlet connects reservoir by manually-operated gate I, reservoir connects device for drying and filtering by manually-operated gate J, the device for drying and filtering other end connects manually-operated gate G, the manually-operated gate G other end one tunnel connects manually-operated gate C successively, magnetic valve A, the capillary import of heating power expansion valve A and left evaporimeter, another road of the manually-operated gate G other end connects manually-operated gate D successively, magnetic valve B, the capillary import of heating power expansion valve B and right evaporimeter, the capillary outlet of left side evaporimeter connects the refrigeration compressor import by return-air valve A, and the capillary outlet of right evaporimeter connects the refrigeration compressor import by return-air valve B.
2, deep cooling matchmaker drying machine according to claim 1, it is characterized in that: the capillary import of left evaporimeter connects manually-operated gate H by left check valve A, the capillary import of right evaporimeter also connects manually-operated gate H by right check valve B, and the manually-operated gate H other end connects reservoir.
3, deep cooling matchmaker drying machine according to claim 1, it is characterized in that: between the manually-operated gate G that device for drying and filtering connects and the capillary import of left evaporimeter, and in parallel with manually-operated gate C, magnetic valve A, heating power expansion valve A, connect manually-operated gate C ', magnetic valve A ', heating power expansion valve A ' successively; Between the manually-operated gate G that device for drying and filtering connects and the capillary import of right evaporimeter, and in parallel with manually-operated gate D, magnetic valve B, heating power expansion valve B, connect manually-operated gate D ', magnetic valve B ', heating power expansion valve B ' successively.
4, deep cooling matchmaker drying machine according to claim 1 is characterized in that: connect outer side valve door between external air inlet pipe and the outlet pipe; Side valve door in connecting between the outlet of the cold road pipeline in the air heat exchanger and the import of the cold road pipeline in the air heat exchanger.
5, deep cooling matchmaker drying machine according to claim 1, it is characterized in that: the capillary outlet of left evaporimeter connects manually-operated gate E by defrost valve A, the capillary outlet of right evaporimeter connects manually-operated gate E by defrost valve B, and the other end of manually-operated gate E connects condenser inlet.
6, deep cooling matchmaker drying machine according to claim 1 is characterized in that: connect cleaning valve between the gas outlet of moisture trap and the import of the cold road pipeline in the air heat exchanger.
7, deep cooling matchmaker drying machine according to claim 1 is characterized in that: respectively be connected with electric contact temp Table A, electric contact thermometer B and Pressure gauge A, Pressure gauge B on external air inlet pipe and the outlet pipe.
8, deep cooling matchmaker drying machine according to claim 1 is characterized in that: the exit of the hot road pipeline in air heat exchanger has the import and export place of temperature sensor D, left evaporimeter that temperature sensor A and temperature sensor A ' are arranged; There are temperature sensor B and temperature sensor B ' in the import and export place of right evaporimeter.
CN 200520027897 2005-10-25 2005-10-25 Deep refrigerant drying machine Expired - Lifetime CN2902427Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197589A (en) * 2014-09-02 2014-12-10 天津商业大学 Continuous water catching system
CN105536452A (en) * 2016-02-01 2016-05-04 北京华信空天科技有限公司 Automatic gas dewatering system
CN112923635A (en) * 2019-12-05 2021-06-08 博西华电器(江苏)有限公司 Refrigeration device and method for a refrigeration device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197589A (en) * 2014-09-02 2014-12-10 天津商业大学 Continuous water catching system
CN104197589B (en) * 2014-09-02 2017-01-25 天津商业大学 Continuous water catching system
CN105536452A (en) * 2016-02-01 2016-05-04 北京华信空天科技有限公司 Automatic gas dewatering system
CN105536452B (en) * 2016-02-01 2018-06-29 北京华信空天科技有限公司 Gas automatic water-removing system
CN112923635A (en) * 2019-12-05 2021-06-08 博西华电器(江苏)有限公司 Refrigeration device and method for a refrigeration device
CN112923635B (en) * 2019-12-05 2024-03-05 博西华电器(江苏)有限公司 Refrigeration appliance and method for a refrigeration appliance

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CX01 Expiry of patent term

Granted publication date: 20070523

EXPY Termination of patent right or utility model