CN208642257U - A kind of efficient recuperation of heat combination drying machine - Google Patents
A kind of efficient recuperation of heat combination drying machine Download PDFInfo
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- CN208642257U CN208642257U CN201821252808.9U CN201821252808U CN208642257U CN 208642257 U CN208642257 U CN 208642257U CN 201821252808 U CN201821252808 U CN 201821252808U CN 208642257 U CN208642257 U CN 208642257U
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- 238000001035 drying Methods 0.000 title claims abstract description 69
- 238000001179 sorption measurement Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 230000008929 regeneration Effects 0.000 claims description 27
- 238000011069 regeneration method Methods 0.000 claims description 27
- 239000003507 refrigerant Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 239000002274 desiccant Substances 0.000 claims description 10
- 238000004108 freeze drying Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- 230000003584 silencer Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 108010085603 SFLLRNPND Proteins 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000007605 air drying Methods 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
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a kind of efficient recuperation of heat combination drying machine, including cold medium compressor, water condenser, filter, expansion valve, evaporator, pre-cooling cooler, moisture trap, gas-liquid separator, water trap, the first adsorption tanks, the second adsorption tanks, air preheater, drying compressed air inlet manifold, the first air inlet is in charge of, the second air inlet is in charge of, the first outlet is in charge of, the second outlet is in charge of and outlet general pipeline.Efficiently recuperation of heat combination drying machine has sufficiently recycled heat most in system for this, the partial heat in fresh compressed air has sufficiently been recycled by setting pre-cooling cooler, so that the compressed air temperature after preliminarily dried increases, and the heat in the cooling water in water condenser after temperature raising is sufficiently recycled by setting air preheater, so that the drying compressed gas temperature of final discharge system increases, there is dew condensation phenomenon because temperature is too low on subsequent conveyance conduit in the compressed air after preventing drying.
Description
Technical field
The utility model relates to a kind of drying equipments, and in particular to a kind of efficient recuperation of heat combination drying machine.
Background technique
It is general all containing absolutely vapor in the compressed air directly compressed usually using compressor, work as sky
These steam will condense when air cooling, then destroy compressed air system.Existing drying compressed air production system is general
It is made of air compressor, evaporator and pipeline and valve member etc., the big, temperature by the water content of compressed air of air compressor production
Height generates qualified drying compressed air after the cooler cooling carried through compressor after being dried into drier
For users to use.But the higher water body of temperature in existing air drying device of compressor in water condenser after heat exchange is general
Be expelled directly out system, can not recycling in the heat directly carry out system to this part, and common freeze drying equipment one
As in dew point mode below remove the moisture in dry air simply by reducing compressed air, moisture removal rate is low, together
When due to the drying air temperature in discharge system it is lower, it is easy on conveyance conduit because temperature is too low and it is existing moisture condensation occur
As to influence the use of drying compressed air.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes the height that a kind of heat recovery efficiency is high and moisture removal rate is high
Imitate recuperation of heat combination drying machine.
To realize above-mentioned technical proposal, the utility model provides a kind of efficient recuperation of heat combination drying machine, comprising: freezing
Drier and be adsorbed by drying mechanism, wherein freeze-drying mechanism include cold medium compressor, water condenser, filter, expansion valve,
Evaporator, pre-cooling cooler, moisture trap, gas-liquid separator and water trap, the refrigerant exit of the cold medium compressor pass through
The connection of the refrigerant inlet of pipeline and water condenser, the refrigerant exit of water condenser and the inlet of filter are connected by pipeline,
The liquid outlet of filter is connected to the import of expansion valve by pipeline, the outlet of expansion valve by the tube side of pipeline and evaporator into
The tube side gas outlet of port connection, evaporator is connected by the import of pipeline and gas-liquid separator, and the outlet of gas-liquid separator is logical
Piping is connected to the import of cold medium compressor, and the pre-cooling compressed air outlet that cooler is pre-chilled passes through the shell of pipeline and evaporator
The connection of journey air inlet, the shell side gas outlet of the evaporator are connected to the import of moisture trap, water trap installation by pipeline
In the bottom of moisture trap, the exhaust outlet of moisture trap is compressed empty by the low temperature drying that pipeline is connected to pre-cooling cooler
Gas import；The mechanism that is adsorbed by drying includes the first adsorption tanks, the second adsorption tanks, air preheater, drying compressed air air inlet
General pipeline, the first air inlet are in charge of, the second air inlet is in charge of, the first outlet is in charge of, the second outlet is in charge of and outlet general pipeline, the dry pressure
Contracting air inlet general pipeline and the middle temperature is dried compressed air outlet for being freeze-dried pre-cooling cooler in mechanism are connect, the dry pressure
Contracting air inlet general pipeline passes through the first air inlet respectively and 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,
It is arranged parallel between first adsorption tanks and the second adsorption tanks, drying is filled in the first adsorption tanks and the second adsorption tanks
Agent, the first air inlet, which is in charge of, is equipped with the first solenoid valve, and 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 second air inlet be in charge of between by air inlet be in charge of communicating pipe connection, the air inlet, which was in charge of on communicating pipe, is equipped with second solenoid valve
With the 4th solenoid valve, discharge pipe, the first adsorption tanks and the second absorption are installed between the second solenoid valve and the 4th solenoid valve
The gas outlet of tank passes through the first outlet respectively to be in charge of to be in charge of with the second outlet and connect with outlet general pipeline, and the first outlet is in charge of installation
There is the first regeneration gas regulating valve, the second outlet, which is in charge of, is equipped with the second regeneration gas regulating valve, the outlet general pipeline and sky
Middle temperature is dried compressed air inlet connection on air preheater, middle temperature is dried compressed air inlet go out with preheating and drying compressed air
It is connected between mouthful, the preheating water inlet of air preheater is connected to the cooling water outlet on water condenser by pipeline.
It in the above-mentioned technical solutions, is in high temperature after the refrigerant cooling for compressed air first passes around cold medium compressor compression
The liquid coolant of the liquid condition of high pressure, high temperature and pressure is cooled down by water condenser, and cooling water is from cooling water inlet
It is flowed out into water condenser and from cooling water outlet, the cooling water temperature after heat exchange enters after increasing as preheating heat source
Air preheater preheats the drying compressed gas by finally dehumidifying, the cooling after being increased with temperature in recovery system
The partial heat of water, while the drying compressed gas temperature of final discharge system is increased, the compressed air after preventing drying
There is dew condensation phenomenon because temperature is too low on subsequent conveyance conduit；Make the liquid of high temperature and pressure cold by water condenser
Matchmaker, which cools, becomes the liquid coolant of medium temperature high pressure, is then sent in filter and carries out entering expansion valve after impurity filters out,
Make the liquid coolant of medium temperature high pressure by its gas-liquid mixture phase of the throttling as low-temp low-pressure by expansion valve, subsequently into steaming
In the heat exchanger tube for sending out device；Simultaneously, fresh compressed air enters pre-cooling by the fresh compressed air import of pre-cooling cooler
Cooler carries out heat exchange with the dry air tentatively to be dehumidified by moisture trap in pre-cooling cooler, by pre-
Compressed air after cold cooler pre-cooling then enters the shell side of evaporator via pre-cooling compressed air outlet, then in evaporator
The interior refrigerant with low-temp low-pressure gas-liquid mixed shape carries out heat exchange, so that compressed air temperature sharply declines, so that compressed air
Greenhouse cooling to dew point hereinafter, compressed air after cooling carries out gas-liquid separation in moisture trap, obtain preliminarily dried
Compressed air, condensed water excludes automatically via water trap, and the compressed air after preliminarily dried subsequently enters in pre-cooling cooler
Heat exchange is carried out with fresh compressed air, so that the compressed air temperature after dry increases, improves the efficiency of recuperation of heat, simultaneously
The usage amount of refrigerant in subsequent evaporation device can be reduced to the temperature for further decreasing fresh compressed air, reduce energy consumption,
Save the cost；Refrigerant temperature in evaporator after heat exchange increases, and then carries out gas-liquid separation by gas-liquid separator
The liquid condition for being compressed into high temperature and pressure in cold medium compressor is reentered afterwards, realizes the recycling of refrigerant；It is dry by freezing
Treated that the very low medium temperature compressed air of moisture content enters suction from drying compressed air inlet manifold for dry mechanism preliminarily dried
Attached drier opens the first solenoid valve, the first regeneration gas regulating valve, the second regeneration gas when being adsorbed by drying
Body regulating valve and the 4th solenoid valve, close second solenoid valve and third solenoid valve, low temperature dry air pass through first from bottom to top
Dehumidifying is dried in adsorption tanks, and dehumidifying rate can be up to 99.8%, is then in charge of via the first outlet and enters sky with outlet general pipeline
In air preheater, heat exchange is carried out with the high-temperature cooling water being discharged in water condenser in air preheater, so that dry compression
The temperature of air increases, and prevents drying compressed air from condensing on subsequent conveyance conduit because temperature is too low, effectively improves
The efficiency of the recuperation of heat of system, while about 10% compressed air after the first adsorption tanks are dry passes through the first regeneration gas
The second adsorption tanks are passed through from top to bottom after body regulating valve and the decompression of the second regeneration gas regulating valve, to the drying in the second adsorption tanks
Agent carries out parsing regeneration, and to restore the drying capacity of desiccant, regeneration gas is discharged into greatly by the 4th solenoid valve and discharge pipe
In gas, after desiccant regeneration, the 4th solenoid valve is closed, the pressure rising that works online in the second adsorption tanks is ready for
Switching in handoff procedure, opens third solenoid valve, closes the first solenoid valve, then opens second solenoid valve, the first adsorption tanks and
Work switching is completed between second adsorption tanks, the second adsorption tanks are for adsorbing, and the first adsorption tanks are for regenerating, due to entering first
Moisture in the compressed air after being freeze-dried mechanism preliminarily dried of adsorption tanks or the second adsorption tanks is very low, therefore every
A adsorption tanks can independent operating for a long time, desiccant is not easy to be saturated, without often switching.
Preferably, it is mounted on the discharge pipe between second solenoid valve and the 4th solenoid valve and silencer is installed, to prevent
Regeneration gas issues ear-piercing sharp song when depressurizing discharge.
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 ball valve.
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 beneficial effect of efficient recuperation of heat combination drying machine provided by the utility model is:
1) this efficient recuperation of heat combination drying machine has sufficiently recycled heat most in system, cold by setting pre-cooling
But device has sufficiently recycled the partial heat in fresh compressed air, so that the compressed air temperature after preliminarily dried increases, and
The heat in the cooling water in water condenser after temperature raising is sufficiently recycled by setting air preheater, so that final discharge
The drying compressed gas temperature of system increases, and the compressed air after preventing drying is on subsequent conveyance conduit because temperature is too low
And there is dew condensation phenomenon, improve the heat recovery efficiency of system；
2) this combination drying that efficiently recuperation of heat combination drying machine uses freeze-drying and is adsorbed by drying, can efficiently remove
Moisture in compressed air, so that the dehumidifying rate of compressed air is up to 99.8%；
3) this efficient recuperation of heat combination drying machine is carried out preliminary using fresh compressed air of the freeze-drying to high temperature and humidity
The first adsorption tanks perhaps compression sky of second adsorption tanks due to entering the first adsorption tanks or the second adsorption tanks is entered back into after drying
Moisture in gas is very low, and the adsorbent in adsorption tanks is not easy to be saturated, thus each adsorption tanks can independent operating for a long time,
Without often switching.
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；8, gas-liquid separator；9, moisture trap；91,
Exhaust outlet；10, water trap；11, the first adsorption tanks；12, the second adsorption tanks；13, air preheater；131, preheating and drying compression is empty
Gas outlet；132, middle temperature is dried compressed air inlet；133, water out is preheated；134, water inlet is preheated；14, the first solenoid valve；
15, second solenoid valve；16, third solenoid valve；17, the 4th solenoid valve；18, silencer；19, ball valve；20, the first regeneration gas tune
Save valve；21, the second regeneration gas regulating valve；22, drying compressed air inlet manifold；23, the first air inlet is in charge of；24, second into
Gas is in charge of；25, communicating pipe is in charge of in air inlet；26, outlet is in charge of communicating pipe；27, the first outlet is in charge of；28, the second outlet is in charge of；
29, outlet general pipeline；211, refrigerant inlet；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: efficient recuperation of heat combination drying machine.
Shown in referring to Figures 1 and 2, a kind of efficient recuperation of heat combination drying machine, comprising: be freeze-dried mechanism and be adsorbed by drying
Mechanism, wherein freeze-drying mechanism includes: 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 refrigerant exit of the cold medium compressor 1 by pipeline with
The refrigerant inlet 211 of water condenser 2 connects, and the effect of cold medium compressor 1 is that refrigerant is compressed into the liquid condition of high temperature and pressure,
And power is provided for the flowing of refrigerant, whole system carries out power transmission without additional pump；The refrigerant exit of water condenser 2
212 are connect with the inlet of filter 3 by pipeline, and the effect of water condenser 2 is that the liquid coolant progress to high temperature and pressure is cold
But cool down, cooling water enters from the cooling water inlet 213 on water condenser 2 and flows out from cooling water outlet 214, by heat exchange
Cooling water temperature afterwards increases, and can be used as the air preheater 13 that preheating heat source enters subsequent adsorbtion drier, to by most
The drying compressed gas to dehumidify eventually is preheated, and the partial heat of the cooling water after being increased with temperature in recovery system makes simultaneously
The drying compressed gas temperature of final discharge system increases, prevent it is dry after compressed air on subsequent conveyance conduit because
For temperature is too low and dew condensation phenomenon occurs；The liquid outlet of filter 3 is connected to the import of expansion valve 5 by pipeline, filter 3
Effect is to filter out impurity that may be present in refrigerant, prevents from blocking subsequent expansion valve 5；The outlet of expansion valve 5 by pipeline with
The tube side air inlet of evaporator 6 connects, and the effect of expansion valve 5 is to be changed into the liquid coolant of medium temperature high pressure by throttling action
The gas-liquid mixture phase of low-temp low-pressure, so that the sharp temperature drop of refrigerant；The tube side gas outlet of evaporator 6 passes through pipeline and gas
The import of liquid/gas separator 8 connects, and the outlet of gas-liquid separator 8 is connected to the import of cold medium compressor 1, pre-cooling cooling by pipeline
The pre-cooling compressed air outlet 72 of device 7 is connect by pipeline with the shell side air inlet of evaporator 6, and the shell side of the evaporator 6 goes out
Port 61 is connected to the import of moisture trap 9 by pipeline, and water trap 10 is mounted on the bottom of moisture trap 9, air water point
Exhaust outlet 91 from device 9 is connected to the low temperature drying compressed air inlet 73 of pre-cooling cooler 7 by pipeline；Refrigerant is in evaporator
Become the gas-liquid mixed shape of medium temperature low pressure in 6 after heat exchange, then after gas-liquid separator 8 carries out gas-liquid separation again
Into in cold medium compressor 1, to realize the recycling of refrigerant；In freeze-drying mechanism, damp and hot compressed air is from pre-
The fresh compressed air import 71 of cold cooler 7 enters pre-cooling cooler 7, in pre-cooling cooler 7 and by moisture trap 9
The dry air tentatively to be dehumidified carries out heat exchange, and the compressed air after pre-cooling cooler 7 is pre-chilled is then via pre-cooling
Compressed air outlet 72 enters the shell side of evaporator 6, then carries out in evaporator 6 with the refrigerant of low-temp low-pressure gas-liquid mixed shape
Heat exchange, so that compressed air temperature sharply declines, so that the greenhouse cooling of compressed air is to dew point hereinafter, compression after cooling
Air carries out gas-liquid separation in moisture trap 9, obtains the compressed air of preliminarily dried, and condensed water is automatic via water trap 10
It excludes, the compressed air after preliminarily dried subsequently enters in pre-cooling cooler 7 and carries out heat exchange with fresh compressed air, so that dry
Compressed air temperature after dry increases, and obtains middle temperature is dried compressed air, improves the efficiency of recuperation of heat, while can be further
The temperature for reducing fresh compressed air can reduce the usage amount of refrigerant in subsequent evaporation device 6, reduce energy consumption, save the cost；
Shown in referring to Figure 1 and Figure 3, being adsorbed by drying mechanism includes the first adsorption tanks 11, the second adsorption tanks 12, air preheater
13, drying compressed air inlet manifold 22, the first air inlet are in charge of the 23, second air inlet and are in charge of the 24, first outlet and are in charge of 27, second
Gas is in charge of 28 and outlet general pipeline 29, wherein the middle temperature is dried compressed air outlet 74 of the pre-cooling cooler 7 in freeze-drying mechanism
It is connected on drying compressed air inlet manifold 22 by pipeline, the drying compressed air inlet manifold 22 passes through first respectively
Air inlet be in charge of 23 and second air inlet be in charge of 24 and connect with the first adsorption tanks 11 and the second adsorption tanks 12,11 He of the first adsorption tanks
It is arranged parallel between second adsorption tanks 12, molecular sieve desiccant is filled in the first adsorption tanks 11 and the second adsorption tanks 12, the
One air inlet, which is in charge of on 23, is equipped with the first solenoid valve 14, and the second air inlet, which is in charge of on 24, is equipped with third solenoid valve 16, the first air inlet
Be in charge of 23 and second air inlet be in charge of between 24 by air inlet be in charge of communicating pipe 25 connect, the air inlet, which was in charge of on communicating pipe 25, installs
There are second solenoid valve 15 and the 4th solenoid valve 17, silencer is installed between the second solenoid valve 15 and the 4th solenoid valve 17
18, the gas outlet of the first adsorption tanks 11 and the second adsorption tanks 12 pass through respectively the first outlet be in charge of 27 and second outlet be in charge of 28 with
The connection of outlet general pipeline 29, the first outlet, which is in charge of on 27, is equipped with the first regeneration gas regulating valve 20, and the second outlet, which is in charge of on 28, pacifies
Equipped with the second regeneration gas regulating valve 21, the outlet general pipeline 29 and the middle temperature is dried compressed air inlet on air preheater 13
132 connections, are connected to, air preheater 13 between middle temperature is dried compressed air inlet 132 and preheating and drying compressed air outlet 131
Preheating water inlet 134 be connected to the cooling water outlet 214 on water condenser 2 by pipeline；By freeze-drying, mechanism is preliminary
The very low medium temperature compressed air of moisture content after drying process enters from drying compressed air inlet manifold is adsorbed by drying mechanism,
When being adsorbed by drying, the first solenoid valve 14, the first regeneration gas regulating valve 20, the second regeneration gas regulating valve are opened
21 and the 4th solenoid valve 17, second solenoid valve 15 and third solenoid valve 16 are closed, low temperature dry air passes through first from bottom to top
Dehumidifying is dried in adsorption tanks 11, and dehumidifying rate can be up to 99.8%, is then in charge of 27 and outlet general pipeline 29 via the first outlet
Into in air preheater 13, heat exchange is carried out with the high-temperature water being discharged in pre-cooling cooler 7 in air preheater 13, so that
The temperature of drying compressed air increases, and prevents drying compressed air from condensing on subsequent conveyance conduit because temperature is too low,
Effectively increase the efficiency of the recuperation of heat of system；About 10% compressed air after the first adsorption tanks 11 are dry is passed through simultaneously
The second adsorption tanks 12 are passed through from top to bottom after first regeneration gas regulating valve 20 and the decompression of the second regeneration gas regulating valve 21, to the
Desiccant in two adsorption tanks 12 carries out parsing regeneration, and to restore the drying capacity of desiccant, regeneration gas passes through the 4th electromagnetism
Valve 17 and silencer 18 are discharged into atmosphere, after desiccant regeneration, the 4th solenoid valve 17 are closed, in the second adsorption tanks 12
The pressure that works online rises, and is ready for switching, and in handoff procedure, opens third solenoid valve 16, closes the first solenoid valve 14, so
Second solenoid valve 15 is opened afterwards, work switching is completed between the first adsorption tanks 11 and the second adsorption tanks 12, and the second adsorption tanks 12 are used
In absorption, the first adsorption tanks 11 are for regenerating, since the low temperature compression for entering the first adsorption tanks 11 or the second adsorption tanks 12 is empty
Moisture in gas is very low, and desiccant is not easy to be saturated, thus each adsorption tanks can independent operating for a long time, without often cutting
It changes.
Referring to shown in Fig. 3, it is mounted on the discharge pipe between second solenoid valve 15 and the 4th solenoid valve 17 and noise elimination is installed
Device 18, to prevent regeneration gas from issuing ear-piercing sharp song when depressurizing discharge.
Shown in referring to Figure 1 and Figure 3, first outlet be in charge of 27 and second outlet be in charge of between 28 company be in charge of by outlet
Siphunculus 26 is connected to, and the outlet, which was in charge of on communicating pipe 26, is equipped with ball valve 19, when needing replacing desiccant, can close first
Outlet be in charge of 27 and second outlet be in charge of the first regeneration gas regulating valve 20 and the second regeneration gas regulating valve 21 on 28, then
Ball valve 19 is opened to keep pressing between the first adsorption tanks 11 and the second adsorption tanks 12.
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 13
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.
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, ball valve, water trap, adsorption tanks, solenoid valve, regeneration gas regulating valve, sky
The standard components such as air preheater can commercially, and shaped piece can be ordered according to specification and attached drawing record
System, the specific connection type of each part are all made of the conventional means such as in the prior art mature bolt, rivet, welding, mechanical,
Part and equipment are all made of model conventional in the prior art, and gas circuit, circuit connection are using connection side conventional in the prior art
Formula, 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 efficient recuperation of heat combination drying machine, characterized by comprising: it is freeze-dried mechanism and is adsorbed by drying mechanism, wherein
Freeze-drying mechanism includes cold medium compressor, water condenser, filter, expansion valve, evaporator, pre-cooling cooler, gas-water separation
The refrigerant exit of device, gas-liquid separator and water trap, the cold medium compressor is connected by the refrigerant inlet of pipeline and water condenser
It connects, the refrigerant exit of water condenser and the inlet of filter are connected by pipeline, and the liquid outlet of filter is connected by pipeline
It is connected to the outlet of the import of expansion valve, expansion valve by the tube side air inlet of pipeline and evaporator, the tube side outlet of evaporator
Mouthful connected by the import of pipeline and gas-liquid separator, the outlet of gas-liquid separator by pipeline be connected to cold medium compressor into
Mouthful, the pre-cooling compressed air outlet that cooler is pre-chilled is connected by the shell side air inlet of pipeline and evaporator, the evaporator
Shell side gas outlet is connected to the import of moisture trap by pipeline, and water trap is mounted on the bottom of moisture trap, air water point
Exhaust outlet from device is connected to the low temperature drying compressed air inlet of pre-cooling cooler by pipeline；
The mechanism that is adsorbed by drying includes that the first adsorption tanks, the second adsorption tanks, air preheater, drying compressed air air inlet are total
Pipe, the first air inlet is in charge of, the second air inlet is in charge of, the first outlet is in charge of, the second outlet is in charge of and outlet general pipeline, the dry compression
Air inlet general pipeline and the middle temperature is dried compressed air outlet for being freeze-dried pre-cooling cooler in mechanism are connect, the dry compression
Air inlet general pipeline passes through the first air inlet respectively and 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, institute
It states and is arranged parallel between the first adsorption tanks and the second adsorption tanks, desiccant is filled in the first adsorption tanks and the second adsorption tanks,
First air inlet, which is in charge of, is equipped with the first solenoid valve, and the second air inlet, which is in charge of, is equipped with third solenoid valve, the first air inlet be in charge of and
Second air inlet be in charge of between by air inlet be in charge of communicating pipe connection, the air inlet be in charge of on communicating pipe be equipped with second solenoid valve and
4th solenoid valve is equipped with discharge pipe, the first adsorption tanks and the second adsorption tanks between the second solenoid valve and the 4th solenoid valve
Gas outlet pass through the first outlet respectively and be in charge of to be in charge of with the second outlet and connect with outlet general pipeline, the first outlet, which is in charge of, to be equipped with
First regeneration gas regulating valve, the second outlet, which is in charge of, is equipped with the second regeneration gas regulating valve, the outlet general pipeline and air
Middle temperature is dried compressed air inlet connection on preheater, middle temperature is dried compressed air inlet and preheating and drying compressed air outlet
Between be connected to, the preheating water inlet of air preheater is connected to the cooling water outlet on water condenser by pipeline.
2. efficiently recuperation of heat combination drying machine as described in claim 1, it is characterised in that: be mounted on second solenoid valve and the 4th
Silencer is installed on discharge pipe between solenoid valve.
3. efficiently recuperation of heat combination drying machine as described in claim 1, 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 ball valve.
4. efficiently recuperation of heat combination drying machine as described in claim 1, it is characterised in that: water condenser liquid outlet and filter
It is connected between the pipeline that the pipeline of inlet connection is connected with evaporator tube side gas outlet with gas-liquid separator import by pipeline,
And high and low voltage switch is installed on the connecting pipe.
5. efficiently recuperation of heat combination drying machine as described in claim 1, it is characterised in that: the evaporator, pre-cooling cooler
With multiple turbulent baffles are mounted in the shell of air preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252808.9U CN208642257U (en) | 2018-08-06 | 2018-08-06 | A kind of efficient recuperation of heat combination drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252808.9U CN208642257U (en) | 2018-08-06 | 2018-08-06 | A kind of efficient recuperation of heat combination drying machine |
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| CN208642257U true CN208642257U (en) | 2019-03-26 |
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| CN201821252808.9U Expired - Fee Related CN208642257U (en) | 2018-08-06 | 2018-08-06 | A kind of efficient recuperation of heat combination drying machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898661A (en) * | 2019-10-29 | 2020-03-24 | 深圳供电局有限公司 | Air purifying device |
| CN116550112A (en) * | 2023-06-19 | 2023-08-08 | 酒泉钢铁(集团)有限责任公司 | A compressed air drying system and drying method thereof |
| CN117101363A (en) * | 2023-09-22 | 2023-11-24 | 通威微电子有限公司 | Fresh air device for seed crystal pasting room |
| CN118203936A (en) * | 2024-04-01 | 2024-06-18 | 广东丰力机械设备股份有限公司 | Freeze dryer |
-
2018
- 2018-08-06 CN CN201821252808.9U patent/CN208642257U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898661A (en) * | 2019-10-29 | 2020-03-24 | 深圳供电局有限公司 | Air purifying device |
| CN116550112A (en) * | 2023-06-19 | 2023-08-08 | 酒泉钢铁(集团)有限责任公司 | A compressed air drying system and drying method thereof |
| CN117101363A (en) * | 2023-09-22 | 2023-11-24 | 通威微电子有限公司 | Fresh air device for seed crystal pasting room |
| CN117101363B (en) * | 2023-09-22 | 2024-06-07 | 通威微电子有限公司 | Fresh air device for seed crystal pasting room |
| CN118203936A (en) * | 2024-04-01 | 2024-06-18 | 广东丰力机械设备股份有限公司 | Freeze dryer |
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