CN207708792U - A kind of compressed air cooling driers - Google Patents
A kind of compressed air cooling driers Download PDFInfo
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- CN207708792U CN207708792U CN201721233700.0U CN201721233700U CN207708792U CN 207708792 U CN207708792 U CN 207708792U CN 201721233700 U CN201721233700 U CN 201721233700U CN 207708792 U CN207708792 U CN 207708792U
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- Prior art keywords
- air
- refrigerant
- cooled
- water
- heat exchanger
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Abstract
The utility model relates to that the utility model is related to compressed air purifiers in coal mine compressed-air system, and in particular to a kind of compressed air cooling driers；Including cold medium compressor, refrigerant heat exchanger, air cooled condenser, water cooled condenser, charging valve, device for drying and filtering, solenoid valve, expansion valve, capillary, hot gas bypass valve, evaporator, moisture trap, air heat exchanger, liquid-gas separator, air-cooled precooler, water-cooled precooler, high pressure escape protection switch, pressure control switch, automatic water trap, safety valve, Air inlet pressure table, air outlet slit pressure gauge, refrigerant low-pressure meter, refrigerant high pressure gauge；The pneumatic equipment service life can be made to extend with drying compressed air using the utility model compressed air cooling driers, the conveying air hose service life can be extended；Reduce time and money loss of the pneumatic equipment in maintenance and repair.
Description
Technical field
The utility model is related to compressed air purifiers in coal mine compressed-air system, and in particular to a kind of compressed air is cold dry
Machine.
Background technology
Currently, compressed air is always one of motive power used by mine, compared with other energy, there is conveying side
Just, it without special harmful performance, without hazard of catch fire, the characteristics of not being afraid of excess load, can work under many adverse environments.In coal
Mining industry is driving rock drill, pneumatic pick and other pneumatic machineries.But the compressed air temperature from air compressor directly out
It is higher, while air moisture content, relative humidity are higher, the service life of equipment can be influenced by such as directly applying to pneumatic equipment, corrode wind
Pipe increases time and money loss of the equipment in maintenance and repair.
Invention content
The utility model is higher in order to solve bellows chamber exit compressed air temperature, while air moisture content, relative humidity
It is higher, the technical issues of pneumatic equipment can influence the service life of equipment is directly applied to, a kind of be arranged is provided and is used in bellows chamber exit
In the compressed air cooling driers for carrying out drop gently dried to compressed air.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of compressed air cooling driers, packet
Include air-cooled precooler, water-cooled precooler, air heat exchanger, moisture trap, evaporator, automatic water trap
And cooling cycle system；The air-cooled precooler, water-cooled precooler and air heat exchanger include air
The air outlet slit end of arrival end and air outlet slit end, the air-cooled precooler and water-cooled precooler respectively with
The air inlet end of air heat exchanger is connected by piping connection, the air heat exchanger with evaporator, the evaporation
One end of device is connected with moisture trap, and the lower end of the moisture trap connects automatic water trap；The evaporator is connected with
A set of cooling cycle system for evaporator operation.
The compressed air sent out from bellows chamber outlet first passes through air-cooled precooler or water-cooled precooler carries out
Air heat exchanger is entered back into after cooling, heat exchange is carried out with the cold dry air for carrying out flash-pot, enters after reduction temperature and steams
It sends out in device, carries out second of heat exchange with coolant media in evaporator, self-temperature is made to drop to the temperature close to the medium of refrigerant
Degree, in temperature-fall period twice, the vapor in compressed air is able to condense into liquid water droplets and enters gas-water separation with air-flow
Device, the liquid water separated in separator through automatic water trap discharge machine outside, the lower drying compressed air of temperature enters sky
Gas-heat exchanger carries out heat exchange with the wet saturated air having just enter into, self-temperature is made to be improved, to be vented in cooling driers
It is relatively low that mouth obtains water content（I.e. dew point is relatively low）, relative humidity also very low drying compressed air.
The cooling cycle system includes cold medium compressor, refrigerant heat exchanger, air cooled condenser, water-cooled condensation
Device, hot gas bypass valve, liquid-gas separator；Coiled pipe, the snakelike Bottomhole pressure refrigerant are provided in the evaporator；It is described
The outflow end of snakelike tube refrigerant and inflow end are connect with the suction line of cold medium compressor and discharge pipe respectively, the coiled pipe
Refrigerant heat exchanger is equipped between the outflow end of inner refrigerant and the suction line of cold medium compressor, the snakelike tube refrigerant
Liquid-gas separator, inflow end and the refrigerant pressure of the snakelike tube refrigerant are additionally provided between outflow end and refrigerant heat exchanger
Hot gas bypass valve is equipped between the discharge pipe of contracting machine；
The refrigerant of the hot gas bypass valve flows into end and is also sequentially serially connected with air cooled condenser, dry filter by pipeline
Device, solenoid valve, expansion valve, capillary, the capillary are connected by the refrigerant outflow end of pipeline and hot gas bypass valve again；Institute
It states and is additionally provided with pressure control switch and high pressure escape protection switch and charging valve between condenser, device for drying and filtering；
The refrigerant of the hot gas bypass valve flows into end and is also connect with one end of water cooled condenser by pipeline, the water
The other end of air-cooled condenser passes through the piping connection between pipeline and air cooled condenser and device for drying and filtering.
The function of each component of cooling cycle system is as follows：
Cold medium compressor is mainly compression refrigerant, and refrigerant is pushed to recycle in systems, the mesh for carrying out heat exchange, reaching refrigeration
's.
Refrigerant heat exchanger is for the cooling refrigerant being discharged from evaporator.
Air cooled condenser, the high pressure for acting as refrigeration compressor being discharged of water cooled condenser, superheated refrigerant are steamed
Vapour is cooled into liquid refrigerant.
Evaporator act as making compressed air to be forced to cool down, and machine is discharged at liquid water in wherein most Water vapor condensation
Outside, to make compressed air obtain drying.
Expansion valve is to freeze in evaporator when preventing compressed air load from reducing（That is " ice is stifled "）The generation of phenomenon, due to
When load is reduced, evaporator tube surface temperature is likely lower than the freezing point of water, and condensed water will freeze in evaporator and block gas
Circulation road.
Solenoid valve, for controlling the flow, the speed that adjust coolant media in refrigeration system.
Device for drying and filtering is act as, and prevents the impurity such as moisture, solid powder, dirt produced by refrigerant from blocking throttle structure
Throttle orifice.In addition micro-moisture in refrigerant is dried, prevents moisture from causing damages to refrigeration system.
Capillary, when load variations, heating power expansion valve is opened by detecting compressor air suction overtemperature come adjusting spool
Qi Du, to control into evaporator refrigerant supply amount.Capillary then has the characteristics that self compensation, i.e., when evaporating pressure reduces,
Both ends pressure difference can be increased accordingly, to increase the coolant quantity for flowing into evaporator.Capillary is due to simple in structure, the operation is stable.
The setting purpose of hot gas bypass valve is when the evaporating pressure of evaporator is as low as certain procedures, and hot gas bypass valve is opened
It opens, the high temperature refrigerant steam in cold medium compressor is directly entered evaporator, promotes evaporating temperature, ice is avoided to block up phenomenon.
Charging valve, for filling refrigerant.
Pressure control switch, for adjusting the pressure size in refrigeration system.
High pressure escape protection switch is for detecting refrigeration system pressure, once being more than setup pressure value, controller is switched off
Cold medium compressor power supply, protects cold medium compressor.
The utility model has the advantages that compared with prior art：
The pneumatic equipment service life can be made to extend with drying compressed air using the utility model compressed air cooling driers, can prolonged
The long conveying air hose service life；Reduce time and money loss of the pneumatic equipment in maintenance and repair.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
It is marked in figure as follows：
1- cold medium compressors, 2- refrigerant heat exchangers, 3- air cooled condensers, 4- water cooled condensers, 5- charging valves, 6-
Device for drying and filtering, 7- solenoid valves, 8- expansion valves, 9- capillaries, 10- hot gas bypass valves, 11- evaporators, 12- moisture traps,
13- air heat exchangers, 14- liquid-gas separators, the air-cooled precoolers of 15-, 16- water-cooled precoolers, 17- high pressures
Escape protection switch, 18- pressure control switch, 19- automatic water traps, 20- safety valves, 21- Air inlet pressure tables, 22- are empty
Gas delivery gauge, 23- refrigerant low-pressure meters, 24- refrigerant high pressure gauges.
Specific implementation mode
Below in conjunction with specific embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of compressed air cooling driers, including air-cooled precooler 15, water-cooled precooler
16, air heat exchanger 13, moisture trap 12, evaporator 11, automatic water trap 19；The air-cooled precooler 15,
Water-cooled precooler 16 and air heat exchanger 13 are described air-cooled preposition including air inlet end and air outlet slit end
The air outlet slit end of cooler 15 and water-cooled precooler 16 is respectively logical with the air inlet end of air heat exchanger 13
Piping connection is crossed, the air heat exchanger 13 is connected with evaporator 11, and one end of the evaporator 11 is connected with air water point
From device 12, the lower end of the moisture trap 12 connects automatic water trap 19；The evaporator 11 is connected with a set of for evaporator
The cooling cycle system of 11 work.
The cooling cycle system includes cold medium compressor 1, refrigerant heat exchanger 2, air cooled condenser 3, water cooling cold
Condenser 4, hot gas bypass valve 10, liquid-gas separator 14；Coiled pipe, the snakelike Bottomhole pressure system are provided in the evaporator 11
Cryogen；The outflow end of the snakelike tube refrigerant and inflow end are connect with the suction line of cold medium compressor 1 and discharge pipe respectively,
Refrigerant heat exchanger 2 is equipped between the outflow end and the suction line of cold medium compressor 1 of the snakelike tube refrigerant, it is described snakelike
Liquid-gas separator 14, the snakelike tube refrigerant are additionally provided between the outflow end and refrigerant heat exchanger 2 of tube refrigerant
Inflow end and the discharge pipe of cold medium compressor 1 between be equipped with hot gas bypass valve 10；
The refrigerant of the hot gas bypass valve 10 flows into end and is also sequentially serially connected with air cooled condenser 3, drying by pipeline
Filter 6, solenoid valve 7, expansion valve 8, capillary 9, the capillary 9 pass through the refrigerant stream of pipeline and hot gas bypass valve 10 again
Outlet connects；Pressure control switch 18 and high pressure escape protection switch are additionally provided between the condenser 3, device for drying and filtering 6
17 and charging valve 5；
The refrigerant of the hot gas bypass valve 10 flows into end and is also connect with one end of water cooled condenser 4 by pipeline, institute
The other end for stating water cooled condenser 4 passes through the piping connection between pipeline and air cooled condenser 3 and device for drying and filtering 6.
The air inlet end of the air-cooled precooler 15 and water-cooled precooler 16 is both provided with air and enters
Mouth pressure gauge 21, the air outlet slit end of the air heat exchanger 13 is provided with air outlet slit pressure gauge 22.
It is respectively arranged with refrigerant low-pressure meter 23 and refrigerant high pressure gauge at the suction line and discharge pipe of the cold medium compressor 1
24。
The water cooled condenser 4 is also associated with safety valve 20.
Claims (4)
1. a kind of compressed air cooling driers, it is characterised in that：Including air-cooled precooler（15）, water-cooled precooler
（16）, air heat exchanger（13）, moisture trap（12）, evaporator（11）, automatic water trap（19）And cooling cycle system；
The air-cooled precooler（15）, water-cooled precooler（16）And air heat exchanger（13）It include air intake
End and air outlet slit end, the air-cooled precooler（15）With water-cooled precooler（16）Air outlet slit end divide equally
Not and air heat exchanger（13）Air inlet end pass through piping connection, the air heat exchanger（13）With evaporator（11）
It is connected, the evaporator（11）One end be connected with moisture trap（12）, the moisture trap（12）Lower end connection
Automatic water trap（19）；The evaporator（11）It is connected with a set of for evaporator（11）The cooling cycle system of work；
The cooling cycle system includes cold medium compressor（1）, refrigerant heat exchanger（2）, air cooled condenser（3）, water-cooled
Condenser（4）, hot gas bypass valve（10）, liquid-gas separator（14）；The evaporator（11）It is inside provided with coiled pipe, it is described snakelike
Bottomhole pressure refrigerant；The outflow end of the snakelike tube refrigerant and flow into end respectively with cold medium compressor（1）Suction line
It is connected with discharge pipe, the outflow end and cold medium compressor of the snakelike tube refrigerant（1）Suction line between be equipped with refrigerant heat
Exchanger（2）, the outflow end and refrigerant heat exchanger of the snakelike tube refrigerant（2）Between be additionally provided with liquid-gas separator
（14）, the inflow end of the snakelike tube refrigerant and cold medium compressor（1）Discharge pipe between be equipped with hot gas bypass valve（10）；
The hot gas bypass valve（10）Refrigerant flow into end air cooled condenser is also sequentially serially connected with by pipeline（3）, dry filter
Device（6）, solenoid valve（7）, expansion valve（8）, capillary（9）, the capillary（9）Pass through pipeline and hot gas bypass valve again（10）'s
Refrigerant outflow end connects；The air cooled condenser（3）, device for drying and filtering（6）Between be additionally provided with pressure control switch
（18）It protects and switchs with high pressure escape（17）And charging valve（5）；The hot gas bypass valve（10）Refrigerant flow into end pass through pipe
Road also with water cooled condenser（4）One end connection, the water cooled condenser（4）The other end pass through pipeline and air-cooled cold
Condenser（3）With device for drying and filtering（6）Between piping connection.
2. a kind of compressed air cooling driers according to claim 1, it is characterised in that：The air-cooled precooler
（15）With water-cooled precooler（16）Air inlet end be both provided with Air inlet pressure table（21）, the air heat friendship
Parallel operation（13）Air outlet slit end be provided with air outlet slit pressure gauge（22）.
3. a kind of compressed air cooling driers according to claim 1, it is characterised in that：The cold medium compressor（1）Suction
Enter and is respectively arranged with refrigerant low-pressure meter at pipe and discharge pipe（23）With refrigerant high pressure gauge（24）.
4. a kind of compressed air cooling driers according to claim 1, it is characterised in that：The water cooled condenser（4）Also
It is connected with safety valve（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233700.0U CN207708792U (en) | 2017-09-25 | 2017-09-25 | A kind of compressed air cooling driers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233700.0U CN207708792U (en) | 2017-09-25 | 2017-09-25 | A kind of compressed air cooling driers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207708792U true CN207708792U (en) | 2018-08-10 |
Family
ID=63063759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721233700.0U Expired - Fee Related CN207708792U (en) | 2017-09-25 | 2017-09-25 | A kind of compressed air cooling driers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207708792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405428A (en) * | 2018-11-05 | 2019-03-01 | 广东明日环保净化有限公司 | A kind of intelligent water-cooled ozonation system of cooling driers |
| CN112957882A (en) * | 2021-02-03 | 2021-06-15 | 厦门艾欣特医用设备有限公司 | Medical air cooling and drying machine |
-
2017
- 2017-09-25 CN CN201721233700.0U patent/CN207708792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405428A (en) * | 2018-11-05 | 2019-03-01 | 广东明日环保净化有限公司 | A kind of intelligent water-cooled ozonation system of cooling driers |
| CN112957882A (en) * | 2021-02-03 | 2021-06-15 | 厦门艾欣特医用设备有限公司 | Medical air cooling and drying machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20190925 |