CN208642065U - A kind of compressed air stage purification system - Google Patents
A kind of compressed air stage purification system Download PDFInfo
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- CN208642065U CN208642065U CN201821268781.2U CN201821268781U CN208642065U CN 208642065 U CN208642065 U CN 208642065U CN 201821268781 U CN201821268781 U CN 201821268781U CN 208642065 U CN208642065 U CN 208642065U
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Abstract
The utility model provides a kind of compressed air stage purification system, including the air compressor being correspondingly connected with by pipeline, aftercooler, compressed air reservoir, AO grades of filters, freeze drier, AA grades of filters, first ACS grades of filters, adsorptive drier, AR grades of filters and the 2nd ACS grades of filters, the gas outlet of AO grades of filters is connect with downtake pipe, the gas outlet of AA grades of filters is connect by pipeline with second exhaust pipe, the gas outlet of first ACS grades of filters is connect with third exhaust pipe, the gas outlet of AR grades of filters is connect by pipeline with the 4th exhaust pipe, the gas outlet of 2nd ACS grades of filters is connected to the 5th exhaust pipe.This compressed air stage purification system can produce the compressed air of five kinds of different brackets purification qualities according to production requirement, and production chains are good, can quickly carry out the production switching of different brackets compressed air according to actual needs.
Description
Technical field
The utility model relates to a kind of air cleaning systems, and in particular to a kind of compressed air stage purification system.
Background technique
Air filter can be divided according to the grade of filter core are as follows: AO grades of coarse filters, AA grades of fine filters, AX grades efficiently
Filter, ACS grades of active carbon filters, AR grades of general dust removal filters and AAR grades of high-effective dust-removing filters, wherein AO grades of thick mistakes
Filter is used to remove 1 μm or more of particle, and can agglomerate fluid oil and water, and under the conditions of 21 DEG C, oil moisture content is no more than
0.5mg/m3；AA grades of fine filters are used to remove 0.01 μm or more of the particle including oil, water, under the conditions of 21 DEG C, oil
Mist content is no more than 0.01mg/m3；AX grades of high efficiency particulate air filters are used to remove 0.01 μm or more of the particle including oil, water,
Under the conditions of 21 DEG C, oil moisture content is no more than 0.001mg/m3；ACS grades of active carbon filters are for removing oil vapour and hydrocarbonization
Object peculiar smell is closed, under the conditions of 21 DEG C, oil moisture content is no more than 0.003mg/m3；AR grades of general dust removal filters are for removing 1 μm
Above dust particle；AAR grades of high-effective dust-removing filters are used to remove 0.01 μm or more of dust particle.
Air quality grade can be divided as follows according to international standard ISO8573.1:
| Credit rating | Solid granulates size/μm | Pressure leak source/DEG C | Oil content/mg/m3 |
| 1 | 0.1 | -70 | 0.01 |
| 2 | 1 | -40 | 0.1 |
| 3 | 5 | -20 | 1.0 |
| 4 | 15 | +3 | 5 |
| 5 | 40 | +7 | 25 |
| 6 | -- | +10 | -- |
Such as: 1.4.1 grades of ISO8573.1 grade indicate that solid granulates size is at 0.1 μm in compressed air, pressure leak source
At+3 DEG C, oil content is in 0.01mg/m3Hereinafter, petrochemical industry, metallurgy, electric power, machinery, electronics, food, medicine, national defence etc. are no
The same industry is also different for the service rating of compressed air, such as food filling requires the pressure leak source of the compressed air used
It is+3 DEG C~+10 DEG C, oil content is in 0.01mg/m3Hereinafter, dustiness is less than 0.01 μm, and what bioengineering processing request used
The pressure leak source of compressed air is -20 DEG C~-70 DEG C, and oil content is in 0.003mg/m3Hereinafter, dustiness is less than 0.01 μm.
Current air cleaning system can only generally be purified for the air quality of 1-2 grade, obtained air
Quality application range is narrow, and production chains are poor, can not quickly be regulated and controled according to actual needs.
Utility model content
It in view of the deficiencies of the prior art, can basis the utility model proposes a kind of compressed air stage purification system
Production requirement produces the compressed air of five kinds of different brackets purification qualities.
To realize above-mentioned technical proposal, the utility model provides a kind of compressed air stage purification system, comprising: air
Compressor, aftercooler, compressed air reservoir, AO grade filter, freeze drier, AA grades of filters, the first ACS grades of filterings
Device, adsorptive drier, AR grade filter and the 2nd ACS grades of filters, the air outlet slit and aftercooler of the air compressor
Air intlet connected by pipeline, the first solenoid valve is installed in the connecting pipe；The air outlet slit of aftercooler passes through
The air inlet of pipeline and compressed air reservoir connects, and is equipped with second solenoid valve in the connecting pipe；Compressed air gas storage
It is connected between the gas outlet of tank and the air inlet of AO grades of filters by pipeline, third electromagnetism is installed in the connecting pipe
Valve；The gas outlet of AO grades of filters is connect with downtake pipe, and the 4th solenoid valve is equipped on the downtake pipe；Freezing is dry
The air inlet of dry machine is connected on downtake pipe by pipeline, and the position of pipeline connection is located at the 4th solenoid valve and AO grades of filterings
Between device, the 5th solenoid valve is installed in the connecting pipe；The gas outlet of freeze drier passes through pipeline and AA grades of filters
Air inlet connection, the gas outlet of AA grades of filters passes through pipeline and second exhaust pipe, the first ACS grades of filtering air inlets respectively
Connected with adsorptive drier air inlet, the 7th solenoid valve be installed on the second exhaust pipe, the gas outlet of AA grades of filters with
8th solenoid valve is installed, the gas outlet of AA grades of filters and absorption are dry on the pipeline that the first ACS grades of filtering air inlets connect
Tenth solenoid valve is installed, the gas outlet of the first ACS grades of filters connects with third exhaust pipe on the pipeline of dry machine air inlet connection
It connects, the 9th solenoid valve is installed on the third exhaust pipe；The gas outlet of adsorptive drier passes through pipeline and AR grades of filters
Air inlet connects, and is equipped with the 11st solenoid valve in the connecting pipe；The gas outlet of AR grades of filters by pipeline respectively with
The air inlet of 4th exhaust pipe and the 2nd ACS grades of filters connects, and is equipped with the 12nd solenoid valve on the 4th exhaust pipe；AR grades of mistakes
13rd solenoid valve is installed, the outlet of the 2nd ACS grades of filters in the connecting pipe between filter and the 2nd ACS grades of filters
Mouth is connected to the 5th exhaust pipe, is equipped with the 14th solenoid valve on the 5th exhaust pipe.
Preferably, the freeze drier includes cold medium compressor, condenser, blower, device for drying and filtering, expansion valve, steaming
Hair device, pre-cooling cooler, moisture trap, gas-liquid separator, water trap and dehumidifier, the refrigerant exit of cold medium compressor pass through
The connection of the inlet of pipeline and condenser, the setting of blower face condenser, the liquid outlet of condenser and the feed liquor of device for drying and filtering
Mouth is connected by pipeline, and the liquid outlet of device for drying and filtering is connected to the import of expansion valve by pipeline, and the outlet of expansion valve passes through
The tube side gas outlet of the connection of the tube side air inlet of pipeline and evaporator, evaporator is connected by the import of pipeline and gas-liquid separator
It connects, the outlet of gas-liquid separator is connected to the import of cold medium compressor by pipeline, and the pre-cooling cooler includes shell, shell
On be provided with fresh compressed air import, pre-cooling compressed air outlet, drying compressed air outlet is provided in the end edge of shell,
Heat-exchange tube is mounted in shell, and the shell side air inlet of pre-cooling compressed air outlet and evaporator on the pre-cooling cooler is logical
Piping connection, the shell side gas outlet of evaporator and the import of moisture trap are connected by pipeline, and water trap is mounted on air water
The bottom of separator, the exhaust outlet of moisture trap and the air inlet of dehumidifier connect, and in the dehumidifier and row interval is arranged
There are the first absorption interlayer, the second absorption interlayer, third absorption interlayer and the 4th absorption interlayer, filling in the first absorption interlayer
Silica-gel desiccant, the second absorption interlayer is interior to fill anhydrous calcium chloride, and third, which is adsorbed, fills molecular sieve desiccant in interlayer, the 4th suction
Active carbon is filled in attached interlayer, the gas outlet of the dehumidifier is connect with the air inlet of heat-exchange tube in pre-cooling cooler, and heat is handed over
Change gas outlet and the drying compressed air outlet of pipe.
Preferably, the pipeline and evaporator tube side outlet that the liquid outlet of the condenser is connect with device for drying and filtering inlet
It is connected between mouth and the pipeline of gas-liquid separator import connection by pipeline, and height is installed on the connecting pipe and is pressed off
It closes, when filter blocks, high and low voltage switch is automatically opened, and refrigerant is flowed directly into gas-liquid separator, to ensure
Because of hypertonia safety accident will not occur for whole system after filter blocks.
Preferably, the adsorptive drier include the first adsorption tanks, the second adsorption tanks, drying compressed air inlet manifold and
Outlet general pipeline, drying compressed air inlet manifold pass through respectively the first air inlet be in charge of with the second air inlet be in charge of with the first adsorption tanks and
The connection of second adsorption tanks, is arranged, the first adsorption tanks and the second adsorption tanks parallel between first adsorption tanks and the second adsorption tanks
It is inside filled with desiccant, the first air inlet, which is in charge of, is equipped with the first Pneumatic butterfly valve, and the second air inlet, which is in charge of, is equipped with third gas
Dynamic butterfly valve, the first air inlet is in charge of and the second air inlet be in charge of between be in charge of by air inlet and connect communicating pipe, connection is in charge of in the air inlet
Second Pneumatic butterfly valve and the 4th Pneumatic butterfly valve are installed on pipe, are equipped between second Pneumatic butterfly valve and the 4th Pneumatic butterfly valve
The gas outlet of silencer, the first adsorption tanks and the second adsorption tanks passes through the first outlet respectively to be in charge of and is in charge of with the second outlet and outlet
General pipeline connection, the first outlet, which is in charge of, is equipped with the first regeneration gas regulating valve, and the second outlet, which is in charge of, is equipped with the second regeneration
Gas control valve.
Preferably, first outlet be in charge of and the second outlet be in charge of between by outlet be in charge of communicating pipe connection, it is described
Outlet, which was in charge of on communicating pipe, is equipped with equalizing valve, when needing replacing desiccant, can close the first outlet and be in charge of to go out with second
Then the first regeneration gas regulating valve and the second regeneration gas regulating valve that gas is in charge of open equalizing valve and make the first adsorption tanks
And second keep pressing between adsorption tanks.
A kind of beneficial effect of compressed air stage purification system provided by the utility model is:
This compressed air stage purification system can produce the compressed air of different brackets purification quality according to production requirement,
Production chains are good, can quickly carry out the production switching of different brackets compressed air according to actual needs；
It is less than 0.5mg/m when needing to produce oil content3, solid granulates are less than 1 μm, pressure of the pressure leak source at+10 DEG C or more
When contracting air, air compressor, aftercooler, compressed air reservoir and AO grade filter need to be only opened, closes the 5th electromagnetism
Valve and subsequent all devices, compressed air via after aftercooler, compressed air reservoir and AO grade filter process through by
Downtake pipe discharge, the compressed air produced at this time can be used for purging and the power supply of general pneumatic machinery；
It is less than 0.01mg/m when needing to produce oil content3, solid granulates less than 0.01 μm, pressure leak source at+3~+10 DEG C,
When the compressed air of moisture removal 99% or so, air compressor, aftercooler, compressed air reservoir, AO grade need to be only opened
Filter, freeze drier and AA grade filter close the 4th solenoid valve, the 8th solenoid valve and the tenth solenoid valve, compressed air
It passes through via after aftercooler, compressed air reservoir, AO grades of filters, freeze drier and AA grades of filter process by second row
Tracheae discharge, the compressed air produced at this time can be used for general coating spray painting, pneumatic instrument, pneumatic tool, valve, sandblasting, gas
The production application of the industries such as dynamic stirring；
It is less than 0.003mg/m when needing to produce oil content3, solid granulates are less than 0.01 μm, and pressure leak source is +3~+10
DEG C, when the compressed air of moisture removal 99% or so, it need to only open air compressor, aftercooler, compressed air reservoir, AO
Grade filter, freeze drier, AA grades of filters and the first ACS grades of filters, and open the 8th solenoid valve and the 9th electromagnetism
Valve, closes the 4th solenoid valve, the 7th solenoid valve and the tenth solenoid valve, compressed air via aftercooler, compressed air reservoir,
It is discharged after AO grades of filters, freeze drier, AA grades of filters and the first ACS grades of filter process by third exhaust pipe, this
When the compressed air that produces can be used for diving operation, breathing air, food preparation, filling, hyperbaric oxygen chamber, Key works Drug packing, medical treatment
The production application of the industries such as dentistry；
It is less than 0.01mg/m when needing to produce oil content3, solid granulates are less than 0.01 μm, and pressure leak source is -20~-70
DEG C, when the compressed air of 99.8% or more moisture removal, need to only open air compressor, aftercooler, compressed air reservoir,
AO grades of filters, freeze drier, AA grades of filters, adsorptive drier and AR grades of filters close the 4th solenoid valve, the 7th electricity
Magnet valve, the 8th solenoid valve and the 13rd solenoid valve, compressed air via aftercooler, compressed air reservoir, AO grades of filters,
Through being discharged by the 4th exhaust pipe after freeze drier, AA grade filter, adsorptive drier and AR grades of filter process, produce at this time
Compressed air can be used for printing, the production application of the industries such as film industry, accurate control instrument, nuclear industry, aerospace industry；
It is less than 0.003mg/m when needing to produce oil content3, solid granulates are less than 0.01 μm, and pressure leak source is -20~-70
DEG C, when the compressed air of 99.8% or more moisture removal, open air compressor, aftercooler, compressed air reservoir, AO grades
Filter, freeze drier, AA grade filter, adsorptive drier, AR grades of filters and the 2nd ACS grades of filters close the 4th
Solenoid valve, the 7th solenoid valve, the 8th solenoid valve and the 12nd solenoid valve, compressed air is via aftercooler, compressed air gas storage
At tank, AO grade filter, freeze drier, AA grades of filters, adsorptive drier, AR grades of filters and the 2nd ACS grades of filters
Through being discharged by the 5th exhaust pipe after reason, the compressed air produced at this time can be used for the row such as bioengineering, fermented soy system gas
The production application of industry.
Detailed description of the invention
Fig. 1 is the structure connection diagram of the utility model.
Fig. 2 is the structural schematic diagram of freeze drier in the utility model.
Fig. 3 is the structural schematic diagram of adsorptive drier in the utility model.
In figure: 1, air compressor；2, aftercooler；3, compressed air reservoir；4, AO grades of filters；5, it is freeze-dried
Machine；6, AA grades of filters；7, the first ACS grades of filters；8, adsorptive drier；9, AR grades of filters；10, the 2nd ACS grades of filterings
Device；11, the first solenoid valve；12, second solenoid valve；13, third solenoid valve；14, the 4th solenoid valve；15, the 5th solenoid valve；16,
6th solenoid valve；17, the 7th solenoid valve；18, the 8th solenoid valve；19, the 9th solenoid valve；20, the tenth solenoid valve；21, the ten one
Solenoid valve；22, the 12nd solenoid valve；23, the 13rd solenoid valve；24, the 14th solenoid valve；31, downtake pipe；32, second
Exhaust pipe；33, third exhaust pipe；34, the 4th exhaust pipe；35, the 5th exhaust pipe；51, cold medium compressor；52, condenser；53,
Blower；54, device for drying and filtering；55, high and low voltage switch；56, expansion valve；57, evaporator；58, cooler is pre-chilled；59, air water point
From device；60, gas-liquid separator；61, ball valve；62, water trap；63, dehumidifier；631, the first absorption interlayer；632, the second absorption
Interlayer；633, third adsorbs interlayer；634, the 4th absorption interlayer；81, the first adsorption tanks；82, the second adsorption tanks；83, dry pressure
Contracting air inlet general pipeline；84, the first air inlet is in charge of；85, the second air inlet is in charge of；86, the first outlet is in charge of；87, the second outlet point
Pipe；88, outlet general pipeline；89, outlet is in charge of communicating pipe；90, the first Pneumatic butterfly valve；91, the second Pneumatic butterfly valve；92, third is pneumatic
Butterfly valve；93, the 4th Pneumatic butterfly valve；94, silencer；95, the first regeneration gas regulating valve；96, the second regeneration gas regulating valve；
97, equalizing valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Ordinary people in the field's every other embodiment obtained without making creative work, belongs to
The protection scope of the utility model.
A kind of embodiment: compressed air stage purification system.
Referring to figs. 1 to shown in Fig. 3, a kind of compressed air stage purification system, comprising: air compressor 1, aftercooler 2,
Compressed air reservoir 3, AO grade filter 4, AA grades of the 6, the first ACS grades of filters 7 of filter, is adsorbed by drying at freeze drier 5
Machine 8, AR grade filter 9 and the 2nd ACS grades of filters 10, the air outlet slit of the air compressor 1 and the air of aftercooler 2
Import is connected by pipeline, and the first solenoid valve 11 is equipped in the connecting pipe, and aftercooler 2 is cooling using common water
Device carries out cooling of the heat exchange realization to compressed air by cooling water and compressed air；The air outlet slit of aftercooler 2 passes through
Pipeline is connect with the air inlet of compressed air reservoir 3, and second solenoid valve 12 is equipped in the connecting pipe；Compressed air storage
It is connected between the gas outlet of gas tank 3 and the air inlet of AO grades of filters 4 by pipeline, third electricity is installed in the connecting pipe
Magnet valve 13；The gas outlet of AO grades of filters 4 is connect with downtake pipe 31, is equipped with the 4th electromagnetism on the downtake pipe 31
Valve 14；The air inlet of freeze drier 5 is connected on downtake pipe 31 by pipeline, and the position of pipeline connection is located at the 4th electricity
Between magnet valve 14 and AO grades of filters 4, the 5th solenoid valve 15 is installed in the connecting pipe；The gas outlet of freeze drier 5
It is connect by pipeline with the air inlet of AA grades of filters 6, the gas outlet of AA grades of filters 6 passes through pipeline and second exhaust pipe respectively
32, the first ACS grades of 7 air inlets of filter are connected with 8 air inlet of adsorptive drier, are equipped with the 7th on the second exhaust pipe 32
Solenoid valve 17 is equipped with the 8th electricity on the pipeline that the gas outlet of AA grades of filters 6 is connect with the first ACS grades of 7 air inlets of filter
Magnet valve 18 is equipped with the tenth solenoid valve 20 on the pipeline that the gas outlet of AA grades of filters 6 is connect with 8 air inlet of adsorptive drier,
The gas outlet of first ACS grades of filters 7 is connect with third exhaust pipe 33, is equipped with the 9th solenoid valve on the third exhaust pipe 33
19；The gas outlet of adsorptive drier 8 is connect by pipeline with the air inlet of AR grades of filters 9, is equipped in the connecting pipe
11st solenoid valve 21；The gas outlet of AR grades of filters 9 by pipeline respectively with the 4th exhaust pipe 34 and the 2nd ACS grades of filters
10 air inlet connects, and is equipped with the 12nd solenoid valve 22 on the 4th exhaust pipe 34；AR grades of filters 9 and the 2nd ACS grades of filterings
13rd solenoid valve 23 is installed, the gas outlet of the 2nd ACS grades of filters 10 is vented with the 5th in the connecting pipe between device 10
Pipe 35 is connected to, and is equipped with the 14th solenoid valve 24 on the 5th exhaust pipe 35.
This compressed air stage purification system can produce the compressed air of different brackets purification quality according to production requirement,
Specific workflow is as follows:
1) when needing to produce oil content less than 0.5mg/m3, solid granulates are less than 1 μm, and pressure leak source is at+10 DEG C or more
When compressed air, only air compressor 1, aftercooler 2, compressed air reservoir 3 and AO grade filters 4 need to be opened, closing the
Five solenoid valves 15 and subsequent all devices, compressed air is via aftercooler 2, compressed air reservoir 3 and AO grades of filters 4
It is discharged after processing by downtake pipe 31, the compressed air produced at this time can be used for the purging of general pneumatic machinery and power supplies
It answers；
2) when needing to produce oil content less than 0.01mg/m3, solid granulates are less than 0.01 μm, and pressure leak source is +3~+10
DEG C, when the compressed air of moisture removal 99% or so, it need to only open air compressor 1, aftercooler 2, compressed air reservoir
3, AO grades of filters 4, freeze drier 5 and AA grades of filters 6 close the 4th solenoid valve 14, the 8th solenoid valve 18 and the tenth electricity
Magnet valve 20, compressed air is via aftercooler 2, compressed air reservoir 3, AO grades of filters 4, freeze drier 5 and AA grades of mistakes
It is discharged after the processing of filter 6 by second exhaust pipe 32, the compressed air produced at this time can be used for general coating spray painting, pneumatic instrument
The production application of the industries such as table, pneumatic tool, valve, sandblasting, pneumatic stirring；
3) when needing to produce oil content less than 0.003mg/m3, solid granulates are less than 0.01 μm, and pressure leak source is +3~+10
DEG C, when the compressed air of moisture removal 99% or so, it need to only open air compressor 1, aftercooler 2, compressed air reservoir
3, AO grades of filters 4, freeze drier 5, AA grades of filters 6 and the first ACS grades of filters 7, and open the 8th solenoid valve 18
With the 9th solenoid valve 19, the 4th solenoid valve 14, the 7th solenoid valve 17 and the tenth solenoid valve 20 are closed, compressed air is via rear cooling
Device 2, compressed air reservoir 3, AO grades of filters 4, freeze drier 5, AA grades of filters 6 and the first ACS grades of filters 7 are handled
It is discharged by by third exhaust pipe 33, the compressed air produced at this time can be used for diving operation, breathing air, food preparation, filling
The production application of the industries such as dress, hyperbaric oxygen chamber, Key works Drug packing, medical dentistry；
4) when needing to produce oil content less than 0.01mg/m3, solid granulates are less than 0.01 μm, and pressure leak source is -20~-70
DEG C, when the compressed air of 99.8% or more moisture removal, it need to only open air compressor 1, aftercooler 2, compressed air gas storage
Tank 3, AO grade filter 4, freeze drier 5, AA grades of filters 6, adsorptive drier 8 and AR grades of filters 9 close the 4th electromagnetism
Valve 14, the 7th solenoid valve 17, the 8th solenoid valve 18 and the 13rd solenoid valve 23, compressed air is via aftercooler 2, compressed air
Air accumulator 3, AO grade filter 4, freeze drier 5, AA grades of filters 6, adsorptive drier 8 and AR grades of filters 9 pass through after handling
Be discharged by the 4th exhaust pipe 34, the compressed air produced at this time can be used for printing, film industry, accurate control instrument, nuclear industry,
The production application of the industries such as aerospace industry；
5) when needing to produce oil content less than 0.003mg/m3, solid granulates less than 0.01 μm, pressure leak source -20~-
70 DEG C, when the compressed air of 99.8% or more moisture removal, open air compressor 1, aftercooler 2, compressed air reservoir
3, AO grades of filters 4, freeze drier 5, AA grades of filters 6, adsorptive drier 8, AR grades of filters 9 and the 2nd ACS grades of filterings
Device 10, closes the 4th solenoid valve 14, the 7th solenoid valve 17, the 8th solenoid valve 18 and the 12nd solenoid valve 22, compressed air via
Aftercooler 2, compressed air reservoir 3, AO grades of filters 4, freeze drier 5, AA grades of filters 6, adsorptive drier 8, AR
Grade filter 9 and the 2nd ACS grades of filters 10 are discharged after handling by the 5th exhaust pipe 35, and the compressed air produced at this time is available
In the production application of the industries such as bioengineering, fermented soy system gas.
Referring to shown in Fig. 2, the freeze drier 5 includes cold medium compressor 51, condenser 52, blower 53, dry filter
Device 54, expansion valve 56, evaporator 57, pre-cooling cooler 58, moisture trap 59, gas-liquid separator 60 and water trap 62, wherein
The refrigerant exit of cold medium compressor 51 is connect by pipeline with the inlet of condenser 52, and the effect of cold medium compressor 51 is will be cold
Matchmaker is compressed into the liquid condition of high temperature and pressure, and provides power for the flowing of refrigerant, and whole system is moved without additional pump
Power conveying；The setting of 53 face condenser 52 of blower, the effect of condenser 52 are that cooling drop is carried out to the liquid coolant of high temperature and pressure
Temperature, and taken away the heat of exchange in time by blower 53, to enhance the efficiency that cools of condenser 52；Condenser 52
Liquid outlet is connect with the inlet of device for drying and filtering 54 by pipeline, and the effect of device for drying and filtering 54 is to filter out in refrigerant to deposit
Impurity, prevent from blocking subsequent expansion valve 56；The liquid outlet of device for drying and filtering 54 is connected to expansion valve 56 by pipeline
The outlet of import, expansion valve 56 is connect by pipeline with the tube side air inlet of evaporator 57, and the effect of expansion valve 56 is to pass through section
Stream effect makes the liquid coolant of medium temperature high pressure be changed into the gas-liquid mixture phase of low-temp low-pressure so that the temperature of refrigerant sharply under
Drop；The tube side gas outlet of evaporator 57 is connect by pipeline with the import of gas-liquid separator 60, and the outlet of gas-liquid separator 60 is logical
Piping is connected to the import of cold medium compressor 51, and refrigerant becomes the gas-liquid of medium temperature low pressure after heat exchange in evaporator 57
Shape is mixed, is then reentered in cold medium compressor 51 after gas-liquid separator 60 carries out gas-liquid separation, to realize refrigerant
Recycling；It includes shell that cooler 58, which is pre-chilled, and fresh compressed air import is provided on shell and pre-cooling compressed air goes out
Mouthful, drying compressed air outlet is provided in the end edge of shell, heat-exchange tube is mounted in shell, on the pre-cooling cooler 58
Pre-cooling compressed air outlet connect with the shell side air inlet of evaporator 57 by pipeline, the shell side gas outlet of evaporator 57 and gas
The import of separator 59 is connected by pipeline, and water trap 62 is mounted on the bottom of moisture trap 59, pacifies above water trap 62
Equipped with ball valve 61, the exhaust outlet of moisture trap 59 is connect with the air inlet of dehumidifier 63, the interior simultaneously row interval of dehumidifier 63
It is provided with the first absorption interlayer 631, second absorption interlayer 632, third absorption interlayer 633 and the 4th absorption interlayer 634, described the
Filling gel desiccant in one absorption interlayer 631, the second absorption interlayer 632 is interior to fill anhydrous calcium chloride, and third adsorbs interlayer 633
Interior filling molecular sieve desiccant, the 4th absorption interlayer 634 is interior to fill active carbon, and the gas outlet of the dehumidifier 63 and pre-cooling cool down
The air inlet connection of heat-exchange tube, the gas outlet of heat-exchange tube and drying compressed air outlet in device 58, when fresh pressure
Contracting air is entered the shell side of pre-cooling cooler 58 by the fresh compressed air import of pre-cooling cooler 58, through by pre- after being pre-chilled
Cold compression air outlet slit enters the shell side of evaporator 57, then in evaporator 57 with the refrigerant of low-temp low-pressure gas-liquid mixed shape into
Row heat exchange, so that compressed air temperature drops sharply to dew point once, compressed air after cooling is in moisture trap 59
Gas-liquid separation, the compressed air sufficiently dried are carried out, condensed water excludes automatically via water trap 62, and the compression after drying is empty
Gas, which subsequently enters, carries out depth drying in dehumidifier 63, compressed air sequentially pass through the absorption of the first absorption interlayer 631, second every
During layer 632, third absorption interlayer 633 and the 4th absorption interlayer 634, by being filled in the first absorption interlayer 631 respectively
Interior silica-gel desiccant, the anhydrous calcium chloride being filled in the second absorption interlayer 632 are filled in third absorption interlayer 633
Molecular sieve desiccant and the active carbon being filled in the 4th absorption interlayer 634 can be to the dry compressions after gas-water separation
Air carries out depth dehumidifying, so that the dehumidifying rate of compressed air reaches 99.2%, and can be with purification of compressed air, removal portion
Divide the pernicious gas that corrosion may be caused to equipment；Compressed air dew point after depth drying reduces, and subsequently enters pre-cooling
Heat exchange in cooler 58 simultaneously carries out heat exchange with the high temperature fresh compressed air in shell side, so that the compressed air after dry
Temperature increases, and improves the efficiency of recuperation of heat, to meet the actual needs of production, while can be to the fresh compressed air of high temperature
It is pre-chilled, the usage amount of refrigerant in subsequent evaporation device 57 can be reduced, reduce energy consumption.The liquid outlet of condenser 52 with it is dried
Lead between the pipeline of 54 inlet of filter connection and 57 tube side gas outlet of evaporator and the pipeline of 60 import of gas-liquid separator connection
Piping connection, and high and low voltage switch 55 is installed on the connecting pipe, when filter 54 blocks, just press off
It closes and 55 automatically opens, refrigerant is flowed directly into gas-liquid separator 60, to ensure that whole system will not after filter 54 blocks
Safety accident occurs because of hypertonia.
Referring to shown in Fig. 3, the adsorptive drier 8 includes the first adsorption tanks 81, the second adsorption tanks 82, drying compressed air
Inlet manifold 83 and outlet general pipeline 88, drying compressed air inlet manifold 83 are in charge of 84 and second air inlet by the first air inlet respectively
It is in charge of 85 to connect with the first adsorption tanks 81 and the second adsorption tanks 82, it is parallel between first adsorption tanks 81 and the second adsorption tanks 82
It is arranged, active aluminium hydroxide desiccant is filled in the first adsorption tanks 81 and the second adsorption tanks 82, the first air inlet is in charge of on 84
First Pneumatic butterfly valve 90 is installed, the second air inlet, which is in charge of on 85, is equipped with third Pneumatic butterfly valve 92, and 84 and are in charge of in the first air inlet
Two air inlets, which are in charge of between 85, is in charge of communicating pipe connection by air inlet, and the air inlet, which was in charge of on communicating pipe, is equipped with the second Pneumatic butterfly valve
91 and the 4th Pneumatic butterfly valve 93, silencer 94 is installed between second Pneumatic butterfly valve 91 and the 4th Pneumatic butterfly valve 93, first
The gas outlet of adsorption tanks 81 and the second adsorption tanks 82 pass through respectively the first outlet be in charge of 86 and second outlet to be in charge of 87 total with outlet
Pipe 88 connects, and the first outlet, which is in charge of on 86, is equipped with the first regeneration gas regulating valve 95, and the second outlet, which is in charge of on 87, is equipped with the
Two regeneration gas regulating valves 96；When compressed air from drying compressed air inlet manifold 83 enter this adsorptive drier 8, work as needs
When being adsorbed by drying, the first Pneumatic butterfly valve 90, the first regeneration gas regulating valve 95,96 and of the second regeneration gas regulating valve are opened
4th Pneumatic butterfly valve 93, closes the second Pneumatic butterfly valve 91 and third Pneumatic butterfly valve 92, dry air pass through the first suction from bottom to top
Dehumidifying is dried in attached tank 81, and dehumidifying rate can be up to 99.8% or more, and the dew point of compressed air can be significantly reduced, then pass through
It is in charge of 86 and outlet general pipeline 88 by the first outlet to be discharged, while about 10% compressed air after the first adsorption tanks 81 are dry
The second adsorption tanks 82 are passed through from top to bottom after the first regeneration gas regulating valve 95 and the decompression of the second regeneration gas regulating valve 96,
Parsing regeneration is carried out to the desiccant in the second adsorption tanks 82, to restore the drying capacity of desiccant, regeneration gas passes through the 4th
Pneumatic butterfly valve 93 and silencer 94 are discharged into atmosphere, after desiccant regeneration, close the 4th Pneumatic butterfly valve 93, the second absorption
The pressure rising that works online in tank 82, is ready for switching, in handoff procedure, opens third Pneumatic butterfly valve 92, close first
Then Pneumatic butterfly valve 90 opens the second Pneumatic butterfly valve 91, work switching is completed between the first adsorption tanks 81 and the second adsorption tanks 82,
Second adsorption tanks 82 are for adsorbing, and the first adsorption tanks 81 are for regenerating.First outlet be in charge of 86 and second outlet be in charge of between 87
It is in charge of by outlet and is connected communicating pipe 89, the outlet, which was in charge of on communicating pipe 89, is equipped with equalizing valve 97, when needing replacing drying
When agent, can close the first outlet be in charge of 86 and second outlet be in charge of the first regeneration gas regulating valve 95 and the second regeneration on 87
Then gas control valve 96 opens equalizing valve 97 and to keep pressing between the first adsorption tanks 81 and the second adsorption tanks 82.
Air compressor that the utility model uses, aftercooler, compressed air reservoir, AO grades of filters, AA grades
Filter, the first ACS grades of filters, AR grades of filters and the 2nd ACS grades of filters, cold medium compressor, water condenser, filterings
Device, high and low voltage switch, expansion valve, evaporator, precooler, moisture trap, gas-liquid separator, ball valve, water trap, absorption
The standard components such as tank, solenoid valve, regeneration gas regulating valve, air preheater can commercially, and shaped piece is according to explanation
Book and attached drawing record can carry out customized, and the specific connection type of each part is all made of in the prior art mature spiral shell
The conventional means such as bolt, rivet, welding, mechanical, part and equipment are all made of model conventional in the prior art, and gas circuit, circuit connect
It connects using connection type conventional in the prior art, this will not be detailed here.
The above be the utility model preferred embodiment, but the utility model should not be limited to the embodiment and
Attached drawing disclosure of that is all fallen so all do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model
Enter the range of the utility model protection.
Claims (5)
1. a kind of compressed air stage purification system, characterized by comprising: air compressor, aftercooler, compressed air storage
Gas tank, AO grade filter, freeze drier, AA grades of filters, the first ACS grades of filters, adsorptive drier, AR grades of filters and
2nd ACS grades of filters, the air outlet slit of the air compressor and the air intlet of aftercooler are connected by pipeline, described
First solenoid valve is installed in connecting pipe；The air outlet slit of aftercooler passes through the air inlet of pipeline and compressed air reservoir
It connects, second solenoid valve is installed in the connecting pipe；The gas outlet of compressed air reservoir and the air inlet of AO grades of filters
It is connected between mouthful by pipeline, third solenoid valve is installed in the connecting pipe；The gas outlet of AO grades of filters and first row
Tracheae connects, and is equipped with the 4th solenoid valve on the downtake pipe；The air inlet of freeze drier is connected to by pipeline
On one exhaust pipe, the position of pipeline connection is equipped in the connecting pipe between the 4th solenoid valve and AO grades of filters
5th solenoid valve；The gas outlet of freeze drier is connect by pipeline with the air inlet of AA grades of filters, AA grades of filters out
Port passes through pipeline respectively and connect with second exhaust pipe, the first ACS grades of filtering air inlets and adsorptive drier air inlet, described
7th solenoid valve is installed, the gas outlet of AA grades of filters is connect with the first ACS grades of filtering air inlets on second exhaust pipe
8th solenoid valve is installed on pipeline, is equipped on the pipeline that the gas outlet of AA grades of filters is connect with adsorptive drier air inlet
The gas outlet of tenth solenoid valve, the first ACS grades of filters is connect with third exhaust pipe, is equipped with the 9th on the third exhaust pipe
Solenoid valve；The gas outlet of adsorptive drier is connect by pipeline with the air inlet of AR grades of filters, is installed in the connecting pipe
There is the 11st solenoid valve；The gas outlet of AR grades of filters by pipeline respectively with the 4th exhaust pipe and the 2nd ACS grades of filters
Air inlet connects, and is equipped with the 12nd solenoid valve on the 4th exhaust pipe；Company between AR grades of filters and the 2nd ACS grades of filters
13rd solenoid valve is installed, the gas outlet of the 2nd ACS grades of filters is connected to the 5th exhaust pipe, the 5th row on adapter tube road
14th solenoid valve is installed on tracheae.
2. compressed air stage purification system as described in claim 1, it is characterised in that: the freeze drier includes refrigerant
Compressor, condenser, blower, device for drying and filtering, expansion valve, evaporator, pre-cooling cooler, moisture trap, gas-liquid separator,
The refrigerant exit of water trap and dehumidifier, cold medium compressor is connected by the inlet of pipeline and condenser, the condensation of blower face
Device setting, the liquid outlet of condenser and the inlet of device for drying and filtering are connected by pipeline, and the liquid outlet of device for drying and filtering passes through
Pipeline is connected to the import of expansion valve, and the outlet of expansion valve is connected by the tube side air inlet of pipeline and evaporator, evaporator
Tube side gas outlet is connected by the import of pipeline and gas-liquid separator, and the outlet of gas-liquid separator is connected to refrigerant pressure by pipeline
The import of contracting machine, the pre-cooling cooler includes shell, fresh compressed air import is provided on shell, pre-cooling compressed air goes out
Mouthful, drying compressed air outlet is provided in the end edge of shell, heat-exchange tube is mounted in shell, on the pre-cooling cooler
The shell side air inlet that compressed air outlet and evaporator is pre-chilled is connected by pipeline, the shell side gas outlet of evaporator and gas-water separation
The import of device is connected by pipeline, and water trap is mounted on the bottom of moisture trap, the exhaust outlet and dehumidifier of moisture trap
Air inlet connection, the first absorption interlayer, the second absorption interlayer, third absorption interlayer are arranged at intervals in the dehumidifier parallel
Filling gel desiccant in interlayer is adsorbed with the 4th absorption interlayer, described first, fills anhydrous calcium chloride in the second absorption interlayer,
Third adsorb interlayer in fill molecular sieve desiccant, the 4th absorption interlayer in fill active carbon, the gas outlet of the dehumidifier with
The air inlet connection of heat-exchange tube in cooler, the gas outlet of heat-exchange tube and drying compressed air outlet is pre-chilled.
3. compressed air stage purification system as claimed in claim 2, it is characterised in that: the liquid outlet of the condenser and dry
Pass through between the pipeline and evaporator tube side gas outlet and the pipeline of gas-liquid separator import connection of dry filter inlet connection
Pipeline connection, and high and low voltage switch is installed on the connecting pipe.
4. compressed air stage purification system as described in claim 1, it is characterised in that: the adsorptive drier includes first
Adsorption tanks, the second adsorption tanks, drying compressed air inlet manifold and outlet general pipeline, drying compressed air inlet manifold pass through respectively
First air inlet is in charge of to be in charge of with the second air inlet to be connect with the first adsorption tanks and the second adsorption tanks, and first adsorption tanks and second are inhaled
It is arranged parallel between attached tank, desiccant is filled in the first adsorption tanks and the second adsorption tanks, the first air inlet, which is in charge of, to be equipped with
First Pneumatic butterfly valve, the second air inlet, which is in charge of, is equipped with third Pneumatic butterfly valve, between the first air inlet is in charge of and the second air inlet is in charge of
It is in charge of communicating pipe connection by air inlet, the air inlet, which was in charge of on communicating pipe, is equipped with the second Pneumatic butterfly valve and the 4th Pneumatic butterfly valve,
Silencer, the gas outlet of the first adsorption tanks and the second adsorption tanks are installed between second Pneumatic butterfly valve and the 4th Pneumatic butterfly valve
It is in charge of to be in charge of with the second outlet by the first outlet respectively and is connect with outlet general pipeline, the first outlet, which is in charge of, is equipped with the first regeneration
Gas control valve, the second outlet, which is in charge of, is equipped with the second regeneration gas regulating valve.
5. compressed air stage purification system as claimed in claim 4, it is characterised in that: first outlet is in charge of and second
Outlet be in charge of between by outlet be in charge of communicating pipe connection, the outlet, which was in charge of on communicating pipe, is equipped with equalizing valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268781.2U CN208642065U (en) | 2018-08-08 | 2018-08-08 | A kind of compressed air stage purification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821268781.2U CN208642065U (en) | 2018-08-08 | 2018-08-08 | A kind of compressed air stage purification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302632A (en) * | 2019-06-14 | 2019-10-08 | 北京科技大学 | A kind of raw material gas purifying system and technique |
| CN111306287A (en) * | 2020-03-25 | 2020-06-19 | 衢州市高昱机械有限公司 | Speed reducing mechanism for twisting machine and using method thereof |
-
2018
- 2018-08-08 CN CN201821268781.2U patent/CN208642065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302632A (en) * | 2019-06-14 | 2019-10-08 | 北京科技大学 | A kind of raw material gas purifying system and technique |
| CN111306287A (en) * | 2020-03-25 | 2020-06-19 | 衢州市高昱机械有限公司 | Speed reducing mechanism for twisting machine and using method thereof |
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