CN208626969U - A kind of freezing-micro-heat regeneration absorbent combination drying device - Google Patents
A kind of freezing-micro-heat regeneration absorbent combination drying device Download PDFInfo
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- CN208626969U CN208626969U CN201821268752.6U CN201821268752U CN208626969U CN 208626969 U CN208626969 U CN 208626969U CN 201821268752 U CN201821268752 U CN 201821268752U CN 208626969 U CN208626969 U CN 208626969U
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- 238000001035 drying Methods 0.000 title claims abstract description 101
- 230000008929 regeneration Effects 0.000 title claims abstract description 38
- 238000011069 regeneration method Methods 0.000 title claims abstract description 38
- 239000002250 absorbent Substances 0.000 title claims abstract description 17
- 230000002745 absorbent Effects 0.000 title claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 208000030208 low-grade fever Diseases 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 44
- 238000010521 absorption reaction Methods 0.000 claims description 35
- 239000011229 interlayer Substances 0.000 claims description 33
- 239000002274 desiccant Substances 0.000 claims description 28
- 239000003507 refrigerant Substances 0.000 claims description 25
- 230000008676 import Effects 0.000 claims description 22
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000003584 silencer Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004108 freeze drying Methods 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 3
- 108010085603 SFLLRNPND Proteins 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 238000007791 dehumidification Methods 0.000 description 5
- 239000002808 molecular sieve Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a kind of freezing-micro-heat regeneration absorbent combination drying device, including freeze-drying mechanism and low-grade fever regenerative adsorption drier, wherein freeze-drying mechanism includes cold medium compressor, water condenser, filter, expansion valve, evaporator, pre- chilled water cooler, moisture trap, gas-liquid separator, water trap and dehumidifier, low-grade fever regenerative adsorption drier includes drying compressed air inlet manifold, the first adsorption tanks, the second adsorption tanks, heater and air preheater, is correspondingly connected between all parts by pipeline.This freezing-micro-heat regeneration absorbent combination drying device can select different dry paths according to the difference of user's operating condition, and to reach requirement of the user to purification of compressed air dew point, and heat recovery efficiency is high, effect on moisture extraction is good.
Description
Technical field
The utility model relates to compressed air technical field of drying, and in particular to a kind of freezing-micro-heat regeneration absorbent group
Close drying device.
Background technique
The drying mode and form that existing compressed air dry technology uses have substantially: freezing dehumidification, absorption process dehumidification,
Dehumidification, the tandem dehumidification for freezing heatless regeneration etc. are adsorbed, wherein absorption dehumidification includes that heatless regeneration and low-grade fever regenerate two kinds of sides
Formula, compressed air is dry generally to use single drying mode and method, some later insiders also consider absorption type and
Two kinds of drying modes of freezing type are gathered in the hope of reaching a kind of combination type drying machines for preferably reducing loss, in order to will be cold
Heat in matchmaker is more fully used interchangeably, and insider is just in the outlet of connection freezing type drier compressed gas and absorbed type drying
A heat reclaim unit is set in the regeneration feed channel of machine non-return valve, refrigerant conveyance conduit passes through freezing type drier and heat recovery
Device is connected to cold medium compressor by output end.The combination type drying machines adopted the structure, when refrigerant conveyance conduit passes through
After heat reclaim unit, heat is exchanged to heat reclaim unit, heat reclaim unit again exchanges heat and gives regeneration feed channel
In regeneration gas, to realize sufficiently being used interchangeably for heat in refrigerant, not high, and the existing sky but heat recovery rate remains unchanged
Either single drying equipment or Combined drying equipment in gas drying equipment, the gas for needing processing to obtain different dew points need
Different drying machines is selected, causes process complexity cumbersome in this way, according to the difference of product, is needed in different drying machines
Upper processing, while also processing cost is increased to user.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of freezing-micro-heat regeneration absorbent combination drying dresses
It sets, can select different dry paths according to the difference of user's operating condition, be wanted with reaching user to purification of compressed air dew point
It asks, and heat recovery efficiency is high.
To realize above-mentioned technical proposal, the utility model provides a kind of freezing-micro-heat regeneration absorbent combination drying dress
It sets, comprising: cold medium compressor, water condenser, filter, expansion valve, evaporator, pre-cooling cooler, moisture trap, gas-liquid point
From device, water trap, dehumidifier, the first adsorption tanks, the second adsorption tanks, electric heater and air preheater, the cold medium compressor
Refrigerant exit connected by the refrigerant inlet of pipeline and water condenser, the refrigerant exit of water condenser and the inlet of filter
Connected by pipeline, the liquid outlet of filter is connected to the import of expansion valve by pipeline, the outlet of expansion valve by pipeline with
The tube side air inlet of evaporator connects, and the tube side gas outlet of evaporator is connected by the import of pipeline and gas-liquid separator, gas-liquid
The outlet of separator is connected to the import of cold medium compressor by pipeline, and the pre-cooling compressed air outlet that cooler is pre-chilled passes through pipe
The connection of the shell side air inlet of road and evaporator, the shell side gas outlet of the evaporator by pipeline be connected to moisture trap into
Mouthful, water trap is mounted on the bottom of moisture trap, and the exhaust ports of moisture trap are provided with the first tee tube, the first threeway
The first port of pipe and the exhaust outlet of moisture trap connect, and the second port of the first tee tube is connected to dehumidifier by pipeline
Air inlet, the third port of the first tee tube is connect with drying compressed air inlet manifold, and the first tee tube and drying
The first Pneumatic butterfly valve is installed on the pipeline of compressed air inlet manifold connection, on the pipeline that the first tee tube is connect with dehumidifier
Second Pneumatic butterfly valve is installed, the gas outlet of dehumidifier by pipeline be connected to the low temperature drying compressed air of pre-cooling cooler into
Mouthful, be pre-chilled at the middle temperature is dried compressed air outlet of cooler and the second tee tube be installed, the first port of the second tee tube with
The middle temperature is dried compressed air outlet connection of cooler is pre-chilled, the second port of the second tee tube is connect with exhaust pipe, and the two or three
The third port of siphunculus is connect with drying compressed air inlet manifold, and third Pneumatic butterfly valve is equipped on exhaust pipe, and second
4th Pneumatic butterfly valve is installed on the pipeline that tee tube is connect with drying compressed air inlet manifold；Drying compressed air air inlet is total
Pipe passes through the first air inlet respectively to be in charge of to be in charge of with the second air inlet and connect with the first adsorption tanks and the second adsorption tanks, first absorption
It is arranged parallel between tank and the second adsorption tanks, desiccant, the first air inlet point is filled in the first adsorption tanks and the second adsorption tanks
First solenoid valve is installed, the second air inlet, which is in charge of, is equipped with third solenoid valve, and the first air inlet is in charge of and the second air inlet point on pipe
Communicating pipe connection is in charge of by air inlet between pipe, the air inlet, which was in charge of on communicating pipe, is equipped with second solenoid valve and the 4th electromagnetism
Valve is equipped with silencer, the gas outlet of the first adsorption tanks and the second adsorption tanks between the second solenoid valve and the 4th solenoid 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 non-return
Valve, the second outlet, which is in charge of, is equipped with second check-valve, and the middle temperature is dried on the outlet general pipeline and air preheater compresses empty
Gas import connection, be connected between middle temperature is dried compressed air inlet and preheating and drying compressed air outlet, air preheater it is pre-
Hot water inlet is connected to the cooling water outlet on water condenser by pipeline, and the preheating and drying compressed air on air preheater goes out
Mouth is connected to dry air delivery pipe, and electric heater regenerates muffler by low-grade fever with dry air delivery pipe and connect, described micro-
5th Pneumatic butterfly valve is installed, the gas outlet of electric heater passes through the of pipeline and the first adsorption tanks respectively on hot recycling muffler
One outlet is in charge of and the second outlet of the second adsorption tanks is in charge of connection, and electric heater gas outlet and the first outlet are in charge of company
Third check-valves is installed, electric heater gas outlet and the second outlet, which are in charge of on the pipeline of connection, is equipped with the 4th on the pipeline connect
Check-valves.
Preferably, be arranged at intervals with parallel in the dehumidifier the first absorption interlayer, second absorption interlayer, third absorption every
Layer and the 4th absorption interlayer, described first adsorbs filling gel desiccant in interlayer, the anhydrous chlorination of filling in the second absorption interlayer
Calcium, third, which is adsorbed, fills molecular sieve desiccant in interlayer, fills active carbon in the 4th absorption interlayer, compressed air after cooling exists
Gas-liquid separation is carried out in moisture trap, obtains the compressed air of preliminarily dried, the compressed air after preliminarily dried subsequently enters
Dehumidifier carries out depth drying, by the silica-gel desiccant that is filled in the first absorption interlayer respectively, be filled in the second absorption every
Layer in anhydrous calcium chloride, be filled in third absorption interlayer in molecular sieve desiccant and be filled in the 4th absorption interlayer in
Active carbon can carry out depth dehumidifying to the dry air after gas-water separation.
Preferably, the pipeline and evaporator tube side gas outlet and gas-liquid that water condenser liquid outlet is connect with filter inlet
It is connected between the pipeline of separator import connection by pipeline, and high and low voltage switch is installed on the connecting pipe, once mistake
When filter blocks, high and low voltage switch is automatically opened, and refrigerant is flowed directly into gas-liquid separator, to ensure that it is stifled that filter occurs
Because of hypertonia safety accident will not occur for whole system after plug.
Preferably, multiple turbulent baffles are mounted in the shell of the evaporator, pre-cooling cooler and air preheater,
The flow path of compressed air can be extended by turbulent baffle and enhance the disturbance to compressed air in shell fluid flow, from
And improve heat exchanger effectiveness.
A kind of freezing provided by the utility model-micro-heat regeneration absorbent combination drying device beneficial effect is:
1) this freezing-micro-heat regeneration absorbent combination drying device can want purification of compressed air dew point according to user
The selection that path is dried is asked, when finished product drying compressed air dew points at normal pressure requires to be≤- 20 DEG C, when system is run, only
The first Pneumatic butterfly valve and the 4th Pneumatic butterfly valve need to be closed, opens the second Pneumatic butterfly valve and third Pneumatic butterfly valve, compressed air is successively
By pre-cooling cooler, evaporator, moisture trap, dehumidifier, pre-cooling cooler, finally it is discharged, is can achieve by exhaust pipe
Good effect on moisture extraction；When finished product drying compressed air dew points at normal pressure requires as between -20 DEG C~-40 DEG C, only need to close
Second Pneumatic butterfly valve and the 4th Pneumatic butterfly valve open the first Pneumatic butterfly valve, and compressed air is successively by pre-cooling cooler, evaporation
Device, moisture trap, the first adsorption tanks or the second adsorption tanks, air preheater, are finally discharged by dry air delivery pipe, both
Good effect on moisture extraction can be can achieve with the thermal energy in efficient system for reclaiming；When finished product drying compressed air dew points at normal pressure
It is required that need to only close the first Pneumatic butterfly valve and third Pneumatic butterfly valve when between -40 DEG C~-70 DEG C, the second pneumatic butterfly is opened
Valve and the 4th Pneumatic butterfly valve, compressed air is successively by pre-cooling cooler, evaporator, moisture trap, dehumidifier, pre-cooling cooling
Device, the first adsorption tanks or the second adsorption tanks, air preheater, are finally discharged by dry air delivery pipe, can carry out depth
Dehumidifying, and can be with most thermal energy in efficient system for reclaiming, heat recovery efficiency is high, while only needing 7% or so drying
Compressed air regenerates adsorbent as regeneration gas, and gas consumption amount is low；
2) this freezing-micro-heat regeneration absorbent combination drying device has sufficiently recycled heat most in system, leads to
It crosses setting pre-cooling cooler and has sufficiently recycled partial heat in fresh compressed air, so that the compressed air temperature after preliminarily dried
Degree increases, and has sufficiently recycled heat in the cooling water after temperature in water condenser increases by the way that air preheater is arranged,
So that the drying compressed gas temperature of final discharge system increases, the compressed air after preventing drying is on subsequent conveyance conduit
There is dew condensation phenomenon because temperature is too low, improves the heat recovery efficiency of system；
3) this freezing-micro-heat regeneration absorbent combination drying device is empty using fresh compression of the freeze-drying to high temperature and humidity
Gas carry out preliminarily dried after enter back into the first adsorption tanks perhaps the second adsorption tanks due to enter the first adsorption tanks or second absorption
Moisture in the compressed air of tank is very low, and the adsorbent in adsorption tanks is not easy to be saturated, therefore each adsorption tanks can be transported independently
Row for a long time, switches without frequent.
Detailed description of the invention
Fig. 1 is the structure connection diagram of the utility model.
Fig. 2 is freeze-drying structure partial schematic diagram in the utility model.
Fig. 3 is to be adsorbed by drying structure division schematic diagram in the utility model.
In figure: 1, cold medium compressor；2, water condenser；3, filter；4, high and low voltage switch；5, expansion valve；6, evaporator；
61, shell side gas outlet；7, cooler is pre-chilled；71, fresh compressed air import；72, compressed air outlet is pre-chilled；73, low temperature is dry
Dry compressed air inlet；74, middle temperature is dried compressed air outlet；75, baffle；76, the second tee tube；77, exhaust pipe；8, gas-liquid
Separator；9, moisture trap；91, exhaust outlet；92, the first tee tube；10, water trap；11, dehumidifier；111, the first absorption
Interlayer；112, the second absorption interlayer；113, third adsorbs interlayer；114, the 4th absorption interlayer；12, the first adsorption tanks；13, second
Adsorption tanks；14, electric heater；15, air preheater；151, preheating and drying compressed air outlet；152, middle temperature is dried compression is empty
Gas import；153, water out is preheated；154, water inlet is preheated；16, the first Pneumatic butterfly valve；17, the second Pneumatic butterfly valve；18, third
Pneumatic butterfly valve；19, the 4th Pneumatic butterfly valve；20, drying compressed air inlet manifold；21, the first air inlet is in charge of；22, the second air inlet
It is in charge of；23, the first solenoid valve；24, second solenoid valve；25, third solenoid valve；26, the 4th solenoid valve；27, silencer；28,
One outlet is in charge of；29, the second outlet is in charge of；30, outlet general pipeline；31, first check-valve；32, second check-valve；33, third is stopped
Return valve；34, the 4th check-valves；35, dry air delivery pipe；36, low-grade fever regenerates muffler；37, the 5th Pneumatic butterfly valve；211, cold
Matchmaker's import；212, refrigerant exit；213, cooling water inlet；214, cooling water outlet.
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: freezing-micro-heat regeneration absorbent combination drying device.
Shown in referring to Figures 1 and 2, a kind of freezing-micro-heat regeneration absorbent combination drying device, comprising: freeze drier
Structure and low-grade fever regenerative adsorption drier, wherein freeze-drying mechanism include: cold medium compressor 1, water condenser 2, filter 3,
Expansion valve 5, evaporator 6, pre-cooling cooler 7, moisture trap 9, gas-liquid separator 8 and water trap 10, the cold medium compressor 1
Refrigerant exit connect with the refrigerant inlet 211 of water condenser 2 by pipeline, the effect of cold medium compressor 1 is to compress refrigerant
Power is provided at the liquid condition of high temperature and pressure, and for the flowing of refrigerant, whole system carries out power transmission without additional pump；
The refrigerant exit 212 of water condenser 2 is connect with the inlet of filter 3 by pipeline, and the effect of water condenser 2 is to high temperature height
The liquid coolant of pressure cools down, and cooling water enters from the cooling water inlet 213 on water condenser 2 and from cooling water outlet
214 outflows, the cooling water temperature after heat exchange increase, and can be used as the air that preheating heat source enters subsequent adsorbtion drier
Preheater 13 preheats the drying compressed gas by finally dehumidifying, the cooling water after being increased with temperature in recovery system
Partial heat, while the drying compressed gas temperature of final discharge system is increased, prevent it is dry after compressed air exist
There is dew condensation phenomenon because temperature is too low on subsequent conveyance conduit；The liquid outlet of filter 3 is connected to expansion by pipeline
The import of valve 5, the effect of filter 3 are to filter out impurity that may be present in refrigerant, prevent from blocking subsequent expansion valve 5；Expansion
The outlet of valve 5 is connect by pipeline with the tube side air inlet of evaporator 6, and the effect of expansion valve 5 is to make medium temperature by throttling action
The liquid coolant of high pressure is changed into the gas-liquid mixture phase of low-temp low-pressure, so that the sharp temperature drop of refrigerant；The pipe of evaporator 6
Journey gas outlet is connect by pipeline with the import of gas-liquid separator 8, and the outlet of gas-liquid separator 8 is connected to refrigerant pressure by pipeline
The import of contracting machine 1, refrigerant become the gas-liquid mixed shape of medium temperature low pressure in evaporator 6 after heat exchange, then pass through gas-liquid
Separator 8 reenters in cold medium compressor 1 after carrying out gas-liquid separation, to realize the recycling of refrigerant；Cooler 7 is pre-chilled
Pre-cooling compressed air outlet 72 connect with the shell side air inlet of evaporator 6 by pipeline, the shell side gas outlet of the evaporator 6
61 are connected to the import of moisture trap 9 by pipeline, and water trap 10 is mounted on the bottom of moisture trap 9, moisture trap 9
Exhaust outlet 91 at be provided with the first tee tube 92, the first port of the first tee tube 92 and the exhaust outlet 91 of moisture trap 9
Connection, the second port of the first tee tube 92 are connected to the air inlet of dehumidifier 11, the third of the first tee tube 92 by pipeline
Port is connect with drying compressed air inlet manifold 20, and the first tee tube 92 is connect with drying compressed air inlet manifold 20
Pipeline on the first Pneumatic butterfly valve 16 is installed, it is pneumatic that second is equipped on the pipeline that the first tee tube 92 is connect with dehumidifier 11
Butterfly valve 17, the gas outlet of dehumidifier 11 are connected to the low temperature drying compressed air inlet 73 of pre-cooling cooler 7 by pipeline, pre-cooling
Second tee tube 76 is installed at the middle temperature is dried compressed air outlet 74 of cooler 7, the first port of the second tee tube 76 with
The middle temperature is dried compressed air outlet 74 that cooler 7 is pre-chilled connects, and the second port of the second tee tube 76 is connect with exhaust pipe 77,
The third port of second tee tube 76 is connect with drying compressed air inlet manifold 20, and third gas is equipped on exhaust pipe 77
Butterfly valve 18 is moved, the 4th Pneumatic butterfly valve is installed on the pipeline that the second tee tube 76 is connect with drying compressed air inlet manifold 20
19, by the opening and closing for controlling the first Pneumatic butterfly valve 16, the second Pneumatic butterfly valve 17, third Pneumatic butterfly valve 18 and the 4th Pneumatic butterfly valve 19
It can control the drying approach of compressed air, and then meet requirement of the user to purification of compressed air dew point；
Shown in referring to Figure 1 and Figure 3, low-grade fever regenerative adsorption drier includes the first adsorption tanks 12, the second adsorption tanks 13, electricity
Heater 14, air preheater 15, drying compressed air inlet manifold 20, the first air inlet are in charge of the 21, second air inlet and are in charge of 22,
One outlet is in charge of the 28, second outlet and is in charge of 29 and outlet general pipeline 30, wherein the medium temperature of the pre-cooling cooler 7 in freeze-drying mechanism
Drying compressed air outlet 74 is connected on drying compressed air inlet manifold 20 by pipeline, drying compressed air inlet manifold
20 respectively by the first air inlet be in charge of 21 and second air inlet be in charge of 22 and connect 13 with the first adsorption tanks 12 and the second adsorption tanks, it is described
It is arranged parallel between first adsorption tanks 12 and the second adsorption tanks 13, filled with work in the first adsorption tanks 12 and the second adsorption tanks 13
Property alumina desiccant, the first air inlet, which is in charge of on 21, is equipped with the first solenoid valve 23, and the second air inlet, which is in charge of on 22, is equipped with third
Solenoid valve 25, the first air inlet be in charge of 21 and second air inlet be in charge of between 22 communicating pipe connection, the air inlet point be in charge of by air inlet
Second solenoid valve 24 and the 4th solenoid valve 26 are installed, between the second solenoid valve 24 and the 4th solenoid valve 26 on pipe communicating pipe
Silencer 27 is installed, the gas outlet of the first adsorption tanks 12 and the second adsorption tanks 13 passes through the first outlet respectively and is in charge of 28 and second
Outlet is in charge of 29 and is connect with outlet general pipeline 30, and the first outlet, which is in charge of on 28, is equipped with first check-valve 31, and the second outlet is in charge of 29
On second check-valve 32 is installed, the outlet general pipeline 30 and the middle temperature is dried compressed air inlet 152 on air preheater 15
Connection, is connected between middle temperature is dried compressed air inlet 152 and preheating and drying compressed air outlet 151, air preheater 15
Preheating water inlet 154 is connected to the cooling water outlet 214 on water condenser 2 by pipeline, and the preheating on air preheater 15 is dry
Dry compressed air outlet 151 is connected to dry air delivery pipe 35, and electric heater 14 and dry air delivery pipe 35 pass through low-grade fever
It regenerates muffler 36 to connect, the 5th Pneumatic butterfly valve 37, the outlet of electric heater 14 is installed on the low-grade fever regeneration muffler 36
Mouth respectively by the first outlet of pipeline and the first adsorption tanks 12 be in charge of 28 and second second outlet of adsorption tanks 13 be in charge of 29
Connection, and 14 gas outlet of electric heater and the first outlet are in charge of on the pipeline of 28 connections and are equipped with third check-valves 33, electricity plus
Hot 14 gas outlet of device and the second outlet, which are in charge of on the pipeline of 29 connections, is equipped with the 4th check-valves 34.
Carry out low-grade fever regenerative adsorption it is dry when, by freeze-drying mechanism preliminarily dried, treated that moisture content is very low
Low temperature or medium temperature compressed air enter low-grade fever regenerative adsorption drier from drying compressed air inlet manifold 20, when need into
When row is adsorbed by drying, the first solenoid valve 23 of opening, the 4th solenoid valve 26 and the 5th Pneumatic butterfly valve 37, closing second solenoid valve 24,
25 He of third solenoid valve, low temperature or middle temperature is dried air pass through the first adsorption tanks 12 from bottom to top and dehumidifying are dried, then
Via the first outlet be in charge of 28 and outlet general pipeline 30 enter air preheater 15 in, in air preheater 15 with pre-cooling cooler
The high-temperature water being discharged in 7 carries out heat exchange prevents drying compressed air subsequent so that the temperature of drying compressed air increases
It condenses in dry air delivery pipe 35 because temperature is too low, effectively increases the efficiency of the recuperation of heat of system；It is dry simultaneously empty
About 7% drying compressed air is passed through to enter in electric heater 14 by the 5th Pneumatic butterfly valve 37 and be added in letter shoot 35
Heat, since temperature is higher after preheating for the drying compressed air in dry air delivery pipe 35, in electric heater 14
Energy saving that can be opposite when heating again, the drying compressed air after heat temperature raising then passes through the 4th check-valves 34
Enter the second adsorption tanks 13 after decompression, is parsed by the hot-air of high-temperature low-pressure to the desiccant in the second adsorption tanks 13
Regeneration, due to being restored using the regenerated mode of low-grade fever to desiccant, is being reduced with restoring the drying capacity of desiccant
While reuse air consumption, accelerate the regeneration rate of desiccant, regeneration gas is discharged by the 4th solenoid valve 26 and silencer 27
Into atmosphere, after desiccant regeneration, the 4th solenoid valve 26 is closed, the pressure rising that works online in the second adsorption tanks 13,
It is ready for switching, in handoff procedure, opens third solenoid valve 25, close the first solenoid valve 23, then open second solenoid valve
24, work switching is completed between the first adsorption tanks 12 and the second adsorption tanks 13, the second adsorption tanks 13 are for adsorbing, the first adsorption tanks
12 for regenerating, and the moisture in low temperature compressed air due to entering the first adsorption tanks 12 or the second adsorption tanks 13 is very low, does
Drying prescription is not easy to be saturated, thus each adsorption tanks can independent operating for a long time, without often switching.
Referring to shown in Fig. 2, the first absorption interlayer 111, second absorption interlayer is arranged at intervals in the dehumidifier 11 parallel
112, third absorption interlayer 113 and the 4th absorption interlayer 114, it is described first absorption interlayer 111 in filling gel desiccant, second
It adsorbs and fills anhydrous calcium chloride in interlayer 112, third, which is adsorbed, fills molecular sieve desiccant in interlayer 113, the 4th absorption interlayer 114
Interior filling active carbon, compressed air after cooling carry out gas-liquid separation in moisture trap 9, and the compression for obtaining preliminarily dried is empty
Gas, the compressed air after preliminarily dried subsequently enter dehumidifier 11 and carry out depth drying, by be filled in respectively the first absorption every
Layer 111 in silica-gel desiccant, be filled in the second absorption interlayer 112 anhydrous calcium chloride, be filled in third absorption interlayer 113
Interior molecular sieve desiccant and the active carbon being filled in the 4th absorption interlayer 114 can be to the dryings after gas-water separation
Air carries out depth dehumidifying, and can eliminate the part organic corrosive gas that may contain in compressed air.
Shown in referring to Fig.1, pipeline and 6 tube side outlet of evaporator that 2 liquid outlet of water condenser is connect with 3 inlet of filter
It is connected between mouth and the pipeline of 8 import of gas-liquid separator connection by pipeline, and height is installed on the connecting pipe and is pressed off
4 are closed, when filter 3 blocks, high and low voltage switch 4 is automatically opened, and refrigerant is flowed directly into gas-liquid separator 8, to protect
Because of hypertonia safety accident will not occur for whole system after barrier filter 3 blocks.
Shown in referring to Figures 1 and 2, it is respectively mounted in the shell of the evaporator 6, pre-cooling cooler 7 and air preheater 15
There are multiple turbulent baffles 75, the flow path of compressed air can be extended by turbulent baffle 75 and enhancing exists to compressed air
Disturbance when shell fluid flow, to improve heat exchanger effectiveness.
In the utility model, the detailed process in path is dried such as in the requirement according to user to purification of compressed air dew point
Under:
1) when finished product drying compressed air dew points at normal pressure requires to be≤- 20 DEG C, freeze-drying mechanism section can be only opened,
That is: the first Pneumatic butterfly valve 16 and the 4th Pneumatic butterfly valve 19 need to be only closed, the second Pneumatic butterfly valve 17 and third Pneumatic butterfly valve 18 are opened,
Compressed air damp and hot at this time enters pre-cooling cooler 7 from the fresh compressed air import 71 of pre-cooling cooler 7, cools down in pre-cooling
Heat exchange is carried out with the low temperature dry air tentatively to be dehumidified by moisture trap 9 in device 7, it is pre- by pre-cooling cooler 7
Compressed air after cold then enters the shell side of evaporator 6 via pre-cooling compressed air outlet 72, then in evaporator 6 with it is low
The refrigerant of warm low-pressure gas-liquid mixing shape carries out heat exchange, so that compressed air temperature sharply declines, compressed air after cooling exists
Gas-liquid separation is carried out in moisture trap 9, obtains the compressed air of preliminarily dried, condensed water excludes automatically via water trap 10,
Compressed air after preliminarily dried, which subsequently enters, carries out depth dehumidifying in dehumidifier 11, the low temperature to dehumidify by 11 depth of dehumidifier
Compressed air subsequently enters in pre-cooling cooler 7 and carries out heat exchange with fresh compressed air, so that the compressed air temperature after dry
Degree increases, and obtains middle temperature is dried compressed air, the position needed using drying compressed air is then delivered to via exhaust pipe 77；
2) when finished product drying compressed air dew points at normal pressure requires as between -20 DEG C~-40 DEG C, the second gas need to only be closed
Dynamic butterfly valve 17 and the 4th Pneumatic butterfly valve 19, open the first Pneumatic butterfly valve 16, and compressed air damp and hot at this time is from pre-cooling cooler 7
Fresh compressed air import 71 enters pre-cooling cooler 7 (cooler 7 is pre-chilled at this time to act on without pre-cooling), then via pre- cold compression
Air outlet slit 72 enters the shell side of evaporator 6, then carries out hot friendship with the refrigerant of low-temp low-pressure gas-liquid mixed shape in evaporator 6
It changes, so that compressed air temperature sharply declines, compressed air after cooling carries out gas-liquid separation in moisture trap 9, obtains
The low temperature compressed air of preliminarily dried, the low temperature compressed air of preliminarily dried enter micro- via drying compressed air inlet manifold 20
Hot recycling is adsorbed by drying mechanism, when being adsorbed by drying, opens the first solenoid valve 23, the 4th solenoid valve 26 and the 5th Pneumatic butterfly valve
37, second solenoid valve 24,25 and of third solenoid valve are closed, low temperature dry air passes through the first adsorption tanks 12 from bottom to top to be done
Then dry dehumidifying is in charge of 28 and outlet general pipeline 30 via the first outlet and is entered in air preheater 15, in air preheater 15
Heat exchange is carried out with the high-temperature water being discharged in pre-cooling cooler 7, so that the temperature of drying compressed air increases, prevents dry compression
Air condenses in subsequent dry air delivery pipe 35 because temperature is too low, effectively increases the effect of the recuperation of heat of system
Rate；While about 10% drying compressed air adds by entering electricity by the 5th Pneumatic butterfly valve 37 in dry air delivery pipe 35
It is heated in hot device 14, since temperature is higher after preheating for the drying compressed air in dry air delivery pipe 35,
Energy saving that can be opposite when heating again in electric heater 14, the drying compressed air after heat temperature raising pass through after
Enter the second adsorption tanks 13 after crossing the decompression of the 4th check-valves 34, by the hot-air of high-temperature low-pressure to in the second adsorption tanks 13
Desiccant carries out parsing regeneration, to restore the drying capacity of desiccant, due to being carried out using the regenerated mode of low-grade fever to desiccant
Restore, therefore while reducing reuse air consumption, accelerate the regeneration rate of desiccant, regeneration gas passes through the 4th solenoid valve 26
It is discharged into atmosphere with silencer 27, after desiccant regeneration, closes the 4th solenoid valve 26, it is online in the second adsorption tanks 13
Operating pressure rises, and is ready for switching, and in handoff procedure, opens third solenoid valve 25, closes the first solenoid valve 23, then beat
Second solenoid valve 24 is opened, work switching is completed between the first adsorption tanks 12 and the second adsorption tanks 13, the second adsorption tanks 13 are for inhaling
Attached, the first adsorption tanks 12 are for regenerating；Thus not only can be with the thermal energy in efficient system for reclaiming, but also can achieve good remove
Wet effect；
3) when finished product drying compressed air dew points at normal pressure requires as between -40 DEG C~-70 DEG C, the first gas need to only be closed
Dynamic butterfly valve 16 and third Pneumatic butterfly valve 18, open the second Pneumatic butterfly valve 17 and the 4th Pneumatic butterfly valve 19, and compression damp and hot at this time is empty
Gas enters pre-cooling cooler 7 from the fresh compressed air import 71 of pre-cooling cooler 7, in pre-cooling cooler 7 and by air water
Low temperature dry air that separator 9 is tentatively dehumidified carries out heat exchange, the compressed air after pre-cooling cooler 7 is pre-chilled with
By by pre-cooling compressed air outlet 72 enter evaporator 6 shell side, then in evaporator 6 with low-temp low-pressure gas-liquid mixed shape
Refrigerant carry out heat exchange so that compressed air temperature sharply declines, compressed air after cooling carries out in moisture trap 9
Gas-liquid separation obtains the compressed air of preliminarily dried, and condensed water excludes automatically via water trap 10, and the compression after preliminarily dried is empty
Gas, which subsequently enters, carries out depth dehumidifying in dehumidifier 11, subsequently enter by the low temperature compressed air that 11 depth of dehumidifier dehumidifies pre-
Heat exchange is carried out with fresh compressed air in cold cooler 7, so that the compressed air temperature after dry increases, obtains middle temperature is dried
The medium temperature compressed air of compressed air, preliminarily dried enters the drying of low-grade fever regenerative adsorption via drying compressed air inlet manifold 20
Mechanism when being adsorbed by drying, opens the first solenoid valve 23, the 4th solenoid valve 26 and the 5th Pneumatic butterfly valve 37, closes the second electricity
Magnet valve 24,25 and of third solenoid valve, middle temperature is dried air pass through the first adsorption tanks 12 from bottom to top and dehumidifying are dried, then pass through
By the first outlet be in charge of 28 and outlet general pipeline 30 enter air preheater 15 in, in air preheater 15 with pre-cooling cooler 7
The high-temperature water of middle discharge carries out heat exchange prevents drying compressed air subsequent so that the temperature of drying compressed air increases
It condenses in dry air delivery pipe 35 because temperature is too low, effectively increases the efficiency of the recuperation of heat of system；It is dry simultaneously empty
About 7% drying compressed air is passed through to enter in electric heater 14 by the 5th Pneumatic butterfly valve 37 and be added in letter shoot 35
Heat, since temperature is higher after preheating for the drying compressed air in dry air delivery pipe 35, in electric heater 14
Energy saving that can be opposite when heating again, the drying compressed air after heat temperature raising then passes through the 4th check-valves 34
Enter the second adsorption tanks 13 after decompression, is parsed by the hot-air of high-temperature low-pressure to the desiccant in the second adsorption tanks 13
Regeneration, due to being restored using the regenerated mode of low-grade fever to desiccant, is being reduced with restoring the drying capacity of desiccant
While reuse air consumption, accelerate the regeneration rate of desiccant, regeneration gas is discharged by the 4th solenoid valve 26 and silencer 27
Into atmosphere, after desiccant regeneration, the 4th solenoid valve 26 is closed, the pressure rising that works online in the second adsorption tanks 13,
It is ready for switching, in handoff procedure, opens third solenoid valve 25, close the first solenoid valve 23, then open second solenoid valve
24, work switching is completed between the first adsorption tanks 12 and the second adsorption tanks 13, the second adsorption tanks 13 are for adsorbing, the first adsorption tanks
12 for regenerating；This process can not only carry out depth dehumidifying, and can be with most thermal energy in efficient system for reclaiming, heat
Recovery efficiency is high, while 7% or so drying compressed air only being needed to regenerate as regeneration gas to adsorbent, gas consumption
It measures low.
Cold medium compressor that the utility model uses, water condenser, filter, high and low voltage switch, expansion valve, evaporation
Device, precooler, moisture trap, gas-liquid separator, Pneumatic butterfly valve, water trap, electric heater, adsorption tanks, solenoid valve, non-return
The standard components such as valve, air preheater can commercially, and shaped piece can be with according to specification and attached drawing record
Carry out customized, the specific connection type of each part is all made of the conventional hand such as in the prior art mature bolt, rivet, welding
Section, mechanical, part and equipment are all made of model conventional in the prior art, and gas circuit, circuit connection use are conventional in the prior art
Connection type, 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 (4)
1. a kind of freezing-micro-heat regeneration absorbent combination drying device, characterized by comprising: cold medium compressor, water condenser,
Filter, expansion valve, evaporator, pre-cooling cooler, moisture trap, gas-liquid separator, water trap, dehumidifier, the first absorption
The refrigerant exit of tank, the second adsorption tanks, electric heater and air preheater, the cold medium compressor passes through pipeline and water condenser
Refrigerant inlet connection, the inlet of the refrigerant exit of water condenser and filter passes through pipeline connection, the liquid outlet of filter
The import of expansion valve is connected to by pipeline, the outlet of expansion valve is connected by the tube side air inlet of pipeline and evaporator, evaporation
The tube side gas outlet of device is connected by the import of pipeline and gas-liquid separator, and the outlet of gas-liquid separator is connected to cold by pipeline
The import of matchmaker's compressor, the pre-cooling compressed air outlet that cooler is pre-chilled are connected by the shell side air inlet of pipeline and evaporator,
The shell side gas outlet of the evaporator is connected to the import of moisture trap by pipeline, and water trap is mounted on moisture trap
Bottom, the exhaust ports of moisture trap are provided with the first tee tube, the first port of the first tee tube and moisture trap
Exhaust outlet connection, the second port of the first tee tube are connected to the air inlet of dehumidifier, the third of the first tee tube by pipeline
Port is connect with drying compressed air inlet manifold, and the pipeline that the first tee tube is connect with drying compressed air inlet manifold
On the first Pneumatic butterfly valve is installed, the second Pneumatic butterfly valve, dehumidifier are installed on the pipeline that the first tee tube is connect with dehumidifier
Gas outlet by pipeline be connected to pre-cooling cooler low temperature drying compressed air inlet, the middle temperature is dried pressure of cooler is pre-chilled
Second tee tube is installed, the first port of the second tee tube and the middle temperature is dried of pre-cooling cooler compress empty at contracting air outlet slit
Gas outlet connection, the second port of the second tee tube are connect with exhaust pipe, and the third port of the second tee tube and dry compression are empty
Gas inlet manifold connection, and third Pneumatic butterfly valve is installed on exhaust pipe, the second tee tube and drying compressed air air inlet are total
The 4th Pneumatic butterfly valve is installed on the pipeline of pipe connection；Drying compressed air inlet manifold passes through the first air inlet respectively and is in charge of and
Two air inlets are in charge of to be connect with the first adsorption tanks and the second adsorption tanks, is set parallel between first adsorption tanks and the second adsorption tanks
It sets, desiccant is filled in the first adsorption tanks and the second adsorption tanks, the first air inlet, which is in charge of, is equipped with the first solenoid valve, and second
Air inlet, which is in charge of, is equipped with third solenoid valve, the first air inlet is in charge of and the second air inlet be in charge of between by air inlet be in charge of communicating pipe connect
It connects, the air inlet, which was in charge of on communicating pipe, is equipped with second solenoid valve and the 4th solenoid valve, the second solenoid valve and the 4th electromagnetism
Silencer is installed, the gas outlet of the first adsorption tanks and the second adsorption tanks passes through the first outlet respectively and is in charge of to go out with second between valve
Gas is in charge of to be connect with outlet general pipeline, and the first outlet, which is in charge of, is equipped with first check-valve, and the second outlet, which is in charge of, is equipped with second
Check-valves, the outlet general pipeline are connect with the middle temperature is dried compressed air inlet on air preheater, middle temperature is dried compressed air
It is connected between import and preheating and drying compressed air outlet, the cooling water on the preheating water inlet and water condenser of air preheater
Outlet is connected to by pipeline, and the preheating and drying compressed air outlet on air preheater is connected to dry air delivery pipe, and electricity adds
Hot device regenerates muffler by low-grade fever with dry air delivery pipe and connect, and it is pneumatic to be equipped with the 5th on the low-grade fever regeneration muffler
Butterfly valve, the first outlet that the gas outlet of electric heater passes through pipeline and the first adsorption tanks respectively be in charge of and the second adsorption tanks
Two outlets are in charge of connection, and electric heater gas outlet and the first outlet are in charge of on the pipeline of connection and are equipped with third check-valves,
Electric heater gas outlet and the second outlet, which are in charge of on the pipeline of connection, is equipped with the 4th check-valves.
2. freezing as described in claim 1-micro-heat regeneration absorbent combination drying device, it is characterised in that: the dehumidifier
It is interior parallel be arranged at intervals with the first absorption interlayer, second absorption interlayer, third absorption interlayer and the 4th absorption interlayer, described first
Filling gel desiccant in interlayer is adsorbed, anhydrous calcium chloride is filled in the second absorption interlayer, third, which is adsorbed, fills molecule in interlayer
Desiccant is sieved, fills active carbon in the 4th absorption interlayer.
3. freezing as claimed in claim 2-micro-heat regeneration absorbent combination drying device, it is characterised in that: water condenser goes out
Between the pipeline and evaporator tube side gas outlet of liquid mouth and the connection of filter inlet and the pipeline of gas-liquid separator import connection
It is connected to by pipeline, and high and low voltage switch is installed on the connecting pipe.
4. freezing as claimed in claim 2-micro-heat regeneration absorbent combination drying device, it is characterised in that: the evaporator,
Multiple turbulent baffles are mounted in the shell of pre-cooling cooler and air preheater.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268752.6U CN208626969U (en) | 2018-08-08 | 2018-08-08 | A kind of freezing-micro-heat regeneration absorbent combination drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268752.6U CN208626969U (en) | 2018-08-08 | 2018-08-08 | A kind of freezing-micro-heat regeneration absorbent combination drying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460970A (en) * | 2020-11-20 | 2021-03-09 | 万兹莱压缩机械（上海）有限公司 | Micro-thermal regeneration adsorption type energy-saving environment-friendly dryer |
| CN114951547A (en) * | 2022-03-02 | 2022-08-30 | 中国机械科学研究总院集团有限公司 | Sand discharge medium modification method and device for cutting and forming of frozen sand mold |
| CN116726676A (en) * | 2023-07-10 | 2023-09-12 | 广州市博立净化设备有限公司 | Adsorption dryer |
-
2018
- 2018-08-08 CN CN201821268752.6U patent/CN208626969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460970A (en) * | 2020-11-20 | 2021-03-09 | 万兹莱压缩机械（上海）有限公司 | Micro-thermal regeneration adsorption type energy-saving environment-friendly dryer |
| CN114951547A (en) * | 2022-03-02 | 2022-08-30 | 中国机械科学研究总院集团有限公司 | Sand discharge medium modification method and device for cutting and forming of frozen sand mold |
| CN114951547B (en) * | 2022-03-02 | 2024-04-09 | 中国机械科学研究总院集团有限公司 | Sand discharge medium modification method and device for frozen sand mold cutting forming |
| CN116726676A (en) * | 2023-07-10 | 2023-09-12 | 广州市博立净化设备有限公司 | Adsorption dryer |
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