CN206762600U - A kind of refrigeration compressed air dryer - Google Patents
A kind of refrigeration compressed air dryer Download PDFInfo
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- CN206762600U CN206762600U CN201720316022.8U CN201720316022U CN206762600U CN 206762600 U CN206762600 U CN 206762600U CN 201720316022 U CN201720316022 U CN 201720316022U CN 206762600 U CN206762600 U CN 206762600U
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Abstract
The utility model discloses a kind of refrigeration compressed air dryer, including air system and refrigeration system and equipment border, air system to be connected with check valve and be formed by pneumatic operated valve, pressure difference switch, forecooler；Refrigeration system is made up of expansion valve, visor, device for drying and filtering, condenser, refrigerant magnetic valve, refrigeration compressor, gas-liquid separator and the first evaporator and the connection of the second evaporator.This refrigeration compressed air dryer, by controlling magnetic valve on and off, reach control the first evaporator and the second evaporator alternate run, to compressed air deep temperature reduction, reach the continual air supply requirement of compressed air of the low dew point of low temperature；During to evaporator inside defrostingization ice, using the high temperature refrigerant gas heat of refrigeration compressor discharge, melt the frost inside evaporator, the water of thawing is discharged through water trap, and refrigeration system is condensed using the frost inside evaporator, the thermic load of condenser is reduced, to reach energy-conservation purpose.
Description
Technical field
Refrigeration compressed air dryer field is the utility model is related to, specifically a kind of freezing type compressed air drying
Device.
Background technology
Because refrigeration compressed air dryer utilizes refrigeration principle, compressed air is set to cool so that compressed air
In moisture separate out, still, the dew point of compressed air is reached 3 DEG C, the cooling heat exchange temperature inside drier have to be lower than 3
DEG C, if cryogenic temperature is too low, the water freezing of precipitation can be made, air duct is blocked, cause rear end gas not smooth, influenceing production makes
With.When needing the compressed air of lower temperature, the equipment does not simply fail to meet, but also can not continuously supply, and can not expire
Sufficient quantity-produced requirement.
Utility model content
The purpose of this utility model is to provide a kind of refrigeration compressed air dryer, have -15 DEG C of air outlet temperature with
Under continuous supply application the advantages of, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of refrigeration compressed air dryer, including air system and refrigeration system and equipment border, air system
Connected and formed with check valve by pneumatic operated valve, pressure difference switch, forecooler；Refrigeration system is by expansion valve, visor, device for drying and filtering, cold
Condenser, refrigerant magnetic valve, refrigeration compressor, gas-liquid separator and the first evaporator and the second evaporator connection composition；It is described
Equipment importation and equipment outlet are provided with equipment border；One end of equipment importation is connected with air inlet, one end of equipment outlet
It is connected with gas outlet, one end of air inlet is connected with forecooler, and the side of forecooler is connected by pneumatic operated valve with gas outlet, precooling
The opposite side of device is connected with water trap, and one end of water trap is provided with discharge outlet, and the other end of water trap passes through check valve and pressure
Difference switch is fixedly connected, and the side of pressure difference switch is provided with the first evaporator, the side of the first evaporator also by water trap and
Pneumatic operated valve is connected with pressure difference switch, and the side of pressure difference switch is also equipped with the second evaporator, and one end of the second evaporator passes through cold
Matchmaker's magnetic valve is fixedly connected with gas-liquid separator, and the side of gas-liquid separator is provided with refrigeration compressor, and the one of refrigeration compressor
Side is fixedly connected by refrigerant magnetic valve with condenser, and one end of condenser is connected with coolant outlet, and one end of condenser connects
Cooling water inlet is connected to, the other end of condenser is also associated with device for drying and filtering, and one end of device for drying and filtering is provided with visor, depending on
Mirror is connected by refrigerant magnetic valve and expansion valve with the first evaporator and the second evaporator.
As further program of the utility model：First evaporator and the second evaporator pass through water trap and draining
Mouth connection.
As further program of the utility model：The equipment border, equipment importation, equipment outlet, condenser, precooling
Connected between device, the first evaporator, gas-liquid separator, refrigeration compressor, forecooler and discharge outlet by pipeline.
Compared with prior art, the utility model beneficial effect：
This refrigeration compressed air dryer, in air system, a forecooler, the outlet installation gas of forecooler are set
Dynamic valve sets two evaporators of parallel evaporator first and the second evaporator, and pneumatic operated valve is installed at respective air intlet, empty
Gas outlet installs check valve, and the outlet of two check valves merges, and leads to the entrance of forecooler all the way, and another way installs additional pneumatic
Valve, a forecooler is set, the outlet installation pneumatic operated valve of forecooler, sets two evaporators of parallel evaporator first and second to steam
Device is sent out, because two evaporators are to be used alternatingly, the uninterrupted supply of compressed air are ensure that, goes out the compressed air of evaporator all
It is dry low cold air, during to evaporator inside defrostingization ice, using the high temperature refrigerant gas heat of refrigeration compressor discharge,
Auxiliary thermal source is not used, melts the frost inside evaporator, the water of thawing is discharged through water trap, and refrigeration system utilizes
Frost condensation inside evaporator, the thermic load of condenser is reduced, to reach energy-conservation purpose.
Brief description of the drawings
Fig. 1 is whole structure figure of the present utility model；
Fig. 2 does not reequip figure to be of the present utility model.
In figure：1- equipment importations；2- equipment exports；3- expansion valves；4- equipment border；5- visors；6- devices for drying and filtering；7-
Condenser；8- cooling water inlets；9- coolant outlets；10- refrigerant magnetic valves；11- refrigeration compressors；12- gas-liquid separators；
13- discharge outlet；14- water traps；15- pneumatic operated valves；The evaporators of 16- first；17- pressure difference switches；18- forecoolers；19- air inlets；
20- gas outlets；21- check valves；22- moisture traps；The evaporators of 23- second.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1：
Referring to Fig. 1, in the utility model embodiment, a kind of refrigeration compressed air dryer, including air system and
Refrigeration system and equipment border 4, air system is by pneumatic operated valve 15, pressure difference switch 17, forecooler 18 and the connection group of check valve 21
Into；Refrigeration system is by expansion valve 3, visor 5, device for drying and filtering 6, condenser 7, refrigerant magnetic valve 10, refrigeration compressor 11, gas-liquid
The evaporator 16 of separator 12 and first and the second evaporator 23 connection composition；Equipment importation 1 is provided with the equipment border 4
With equipment outlet 2, one end of equipment importation 1 is connected with air inlet 19, and one end of equipment outlet 2 is connected with gas outlet 20, is entering
One end of gas port 19 is connected with forecooler 18, and the side of forecooler 18 is connected by pneumatic operated valve 15 with gas outlet 20, in forecooler
18 opposite side is connected with water trap 14, and one end of water trap 14 is provided with discharge outlet 13, led in the other end of water trap 14
Cross check valve 21 to be fixedly connected with pressure difference switch 17, the first evaporator 16, the first evaporation are installed in the side of pressure difference switch 17
The side of device 16 is also connected with pressure difference switch 17 by water trap 14 and pneumatic operated valve 15, is also equipped with the side of pressure difference switch 17
Second evaporator 23, it is fixedly connected in one end of the second evaporator 23 by refrigerant magnetic valve 10 with gas-liquid separator 12, in gas
The side of liquid/gas separator 12 is provided with refrigeration compressor 11, passes through refrigerant magnetic valve 10 and condensation in the side of refrigeration compressor 11
Device 7 is fixedly connected, and coolant outlet 9 is connected with one end of condenser 7, and being connected with cooling water in the other end of condenser 7 enters
Mouth 8, device for drying and filtering 6 is also associated with the other end of condenser 7, one end of device for drying and filtering 6 is provided with visor 5, and visor 5 is logical
Cross refrigerant magnetic valve 10 and expansion valve 3 to be connected with the first evaporator 16 and the second evaporator 23, the utility model is low dew point, low
The low dew point refrigeration compressed air dryer of temperature, solves refrigerant type dryer when handling compressed air, the dew point of compressed air
Less than -15 DEG C or dew point is less than -10 DEG C, when air outlet temperature is less than -15 DEG C, can guarantee that air for continuous supplies, meets to connect
The demand of continuous production, this refrigeration compressed air dryer utilize the first evaporator 16 and the alternate run of the second evaporator 23, i.e.,
One evaporator is in freezing compressed air, and another evaporator is in defrosting, when pressure difference switch 17 detects the first evaporator 16
With pressure difference in the second evaporator 23 it is excessive when, PLC controls the first evaporator 16 and the second evaporator 23 to automatically switch, and ensures to allow
Technique gas is uninterrupted, and so as to reach quantity-produced requirement, equipment includes two kinds of mode of operations, and the first is the compression of outlet
Air is cold air, i.e., is exchanged heat without using forecooler, and the outlet dew point of compressed air is less than -10 DEG C, and air outlet temperature is less than -15
℃；Only require that dew point is low second, air outlet temperature is not specially required, that is, increase forecooler heat exchange, outlet dew point can be met
Less than -15 DEG C, air outlet temperature is warming up to more than 0 DEG C, and two kinds of mode of operations can meet the needs of to compressed air different temperatures,
When to evaporator inside defrostingization ice, using the high temperature refrigerant gas heat of the discharge of refrigeration compressor 11, auxiliary is not used
Thermal source, melt the frost inside evaporator, to reach energy-conservation purpose, the water of thawing is discharged through water trap 14, and refrigeration system
Condensed again using the frost inside evaporator, reduce the thermic load of condenser.
Embodiment 2：
Referring to Fig. 2, in the utility model embodiment, a kind of refrigeration compressed air dryer, including air system and
Refrigeration system and equipment border 4, air system is by pneumatic operated valve 15, pressure difference switch 17, forecooler 18 and the connection group of check valve 21
Into；Refrigeration system is by expansion valve 3, visor 5, device for drying and filtering 6, condenser 7, refrigerant magnetic valve 10, refrigeration compressor 11, gas-liquid
The evaporator 16 of separator 12 and first and the second evaporator 23 connection composition；Equipment importation 1 is provided with the equipment border 4
With equipment outlet 2, one end of equipment importation 1 is connected with air inlet 19, and one end of equipment outlet 2 is connected with gas outlet 20, air inlet
One end of mouth 19 and gas outlet 20 is connected with forecooler 18, and the side of forecooler 18 is connected to moisture trap 22 and first
Evaporator 16 is connected with water trap 14 in one end of moisture trap 22, and one end of water trap 14 is provided with discharge outlet 13,
The side of moisture trap 22 and the first evaporator 16 connect, and the first evaporator 16 is also connected with gas-liquid separator 12, gas-liquid
The side of separator 12 is provided with refrigeration compressor 11, and the side of refrigeration compressor 11 is fixedly connected with condenser 7, condenser 7
One end be connected with coolant outlet 9, the other end of condenser 7 is connected with cooling water inlet 8, and the other end of condenser 7 also connects
Device for drying and filtering 6 is connected to, one end of device for drying and filtering 6 is provided with visor 5, and visor 5 is connected by expansion valve 3 and the first evaporator 16
Connecing, compressed air enters forecooler 18 from air inlet 19, and the cold compression air that the hot compressed air of entrance is gone out cools,
Enter the first evaporator 16 from the outlet of forecooler 18, in the first evaporator 16, compressed air exchanges heat with refrigerant, and heat is by refrigerant
Absorb, the steam in compressed air is condensed precipitation, then after the separation of moisture trap 22, condensate is through the row of water trap 14
Go out, compressed air leaves moisture trap 22, enter from the import of forecooler 18, herein, cold compression air and has just enter into
Hot compressed air carries out heat exchange, is sent out after being heated to certain temperature from exit, in refrigeration systems, the gaseous state of low-temp low-pressure
Refrigerant becomes the overheat refrigerant steam of HTHP after the compression of refrigeration compressor 11, and overheat refrigerant steam is through entering condenser 7
In, cooling, which condenses, turns into high-pressure liquid refrigerant, and liquid refrigerants enters the after device for drying and filtering 6, visor 5 and expansion valve 3
Exchanged heat in one evaporator 16 with compressed air, absorb the heat of compressed air, become gaseous coolant, reduce the temperature of compressed air
Degree, refrigerant leave the first evaporator 16 and enter gas-liquid separator 12, fully gasified, it is ensured that only gaseous coolant enters refrigeration
Compressor 11, after the compression of refrigeration compressor 11, start next circulation.
In summary：This refrigeration compressed air dryer, in air system, a forecooler 18, forecooler are set
18 outlet installation pneumatic operated valve 15 sets two parallel evaporator the first evaporators 16 and the second evaporator 23, in respective air
Entrance installs pneumatic operated valve 15, and check valve 21 is installed at air outlet slit, and the outlet of two check valves 21 merges, and leads to precooling all the way
The entrance of device 18, another way install pneumatic operated valve 15 additional, set a forecooler 18, and pneumatic operated valve 15 is installed in the outlet of forecooler 18, if
Two parallel evaporator the first evaporators 16 and the second evaporator 23 are put, because two evaporators are to be used alternatingly, ensure that pressure
The uninterrupted supply of contracting air, the compressed air for going out evaporator is all dry low cold air, to evaporator inside defrostingization ice
When, using the high temperature refrigerant gas heat of the discharge of refrigeration compressor 11, auxiliary thermal source is not used, makes the frost inside evaporator
Melt, to reach energy-conservation purpose, the water of thawing is discharged through water trap, and refrigeration system is cold using the frost inside evaporator
It is solidifying, reduce the thermic load of condenser.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
1. a kind of refrigeration compressed air dryer, including air system and refrigeration system and equipment border (4), its feature exist
In：Air system is made up of the connection of pneumatic operated valve (15), pressure difference switch (17), forecooler (18) and check valve (21)；Refrigeration system
By expansion valve (3), visor (5), device for drying and filtering (6), condenser (7), refrigerant magnetic valve (10), refrigeration compressor (11), gas
Liquid/gas separator (12) and the first evaporator (16) and the second evaporator (23) connection composition；Set on the equipment border (4)
There are equipment importation (1) and equipment outlet (2)；One end of equipment importation (1) is connected with air inlet (19), and the one of equipment outlet (2)
End is connected with gas outlet (20), and one end of air inlet (19) is connected with forecooler (18), and the side of forecooler (18) passes through pneumatic
Valve (15) is connected with gas outlet (20), and the opposite side of forecooler (18) is connected with water trap (14), and one end of water trap (14) is set
Discharge outlet (13) is equipped with, the other end of water trap (14) is fixedly connected by check valve (21) with pressure difference switch (17), and pressure difference is opened
The side for closing (17) is provided with the first evaporator (16), and the side of the first evaporator (16) also passes through water trap (14) and pneumatic operated valve
(15) pressure difference switch (17) is connected with, the side of pressure difference switch (17) is also equipped with the second evaporator (23), the second evaporator
(23) one end is fixedly connected by refrigerant magnetic valve (10) with gas-liquid separator (12), the side installation of gas-liquid separator (12)
There is refrigeration compressor (11), the side of refrigeration compressor (11) is fixedly connected by refrigerant magnetic valve (10) with condenser (7), cold
One end of condenser (7) is connected with coolant outlet (9), and one end of condenser (7) is connected with cooling water inlet (8), condenser (7)
The other end be also associated with device for drying and filtering (6), one end of device for drying and filtering (6) is provided with visor (5), and visor (5) is by cold
Matchmaker's magnetic valve (10) and expansion valve (3) are connected with the first evaporator (16) and the second evaporator (23).
A kind of 2. refrigeration compressed air dryer according to claim 1, it is characterised in that：First evaporator
(16) it is connected with the second evaporator (23) by water trap (14) with discharge outlet (13).
A kind of 3. refrigeration compressed air dryer according to claim 1, it is characterised in that：The equipment border (4),
Equipment importation (1), equipment outlet (2), condenser (7), forecooler (18), the first evaporator (16), gas-liquid separator (12), system
Connected between cold compressor (11), forecooler (18) and discharge outlet (13) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316022.8U CN206762600U (en) | 2017-03-29 | 2017-03-29 | A kind of refrigeration compressed air dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316022.8U CN206762600U (en) | 2017-03-29 | 2017-03-29 | A kind of refrigeration compressed air dryer |
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| Publication Number | Publication Date |
|---|---|
| CN206762600U true CN206762600U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720316022.8U Active CN206762600U (en) | 2017-03-29 | 2017-03-29 | A kind of refrigeration compressed air dryer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157460A (en) * | 2019-04-15 | 2019-08-23 | 上海诺冷冷暖设备有限公司 | A kind of refrigeration defroster for petroleum vapor recovery |
| 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 |
| CN116078098A (en) * | 2023-04-06 | 2023-05-09 | 山东赛斯特冷冻系统有限公司 | VOCs waste gas treatment method |
-
2017
- 2017-03-29 CN CN201720316022.8U patent/CN206762600U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157460A (en) * | 2019-04-15 | 2019-08-23 | 上海诺冷冷暖设备有限公司 | A kind of refrigeration defroster for petroleum vapor recovery |
| 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 |
| CN116078098A (en) * | 2023-04-06 | 2023-05-09 | 山东赛斯特冷冻系统有限公司 | VOCs waste gas treatment method |
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