CN106949719A - A kind of drying unit circulated based on air heat energy - Google Patents
A kind of drying unit circulated based on air heat energy Download PDFInfo
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- CN106949719A CN106949719A CN201710339143.9A CN201710339143A CN106949719A CN 106949719 A CN106949719 A CN 106949719A CN 201710339143 A CN201710339143 A CN 201710339143A CN 106949719 A CN106949719 A CN 106949719A
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- chamber
- air
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- dried
- wet feed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention proposes that a kind of drying unit circulated based on air heat energy, including siccative are dried chamber, wet feed and dry chamber, thermal source, recuperation of heat gas circuit and blast apparatus；Siccative dries chamber and communicated with wet feed baking chamber；Wet feed dries chamber and communicated with recuperation of heat gas circuit；It is the chamber that half dry material small to water content is dried that siccative, which dries chamber,；It is the chamber that the wet stock big to water content is dried that wet feed, which dries chamber,；Extraneous air first enters siccative baking double of dry material of chamber after being heated through thermal source through fresh air channel is dried；Wet feed baking chamber is entered back into dry wet stock；The hot-air that wet feed is dried in chamber enters recuperation of heat gas circuit；Recuperation of heat gas circuit includes the hydrofuge passage communicated with outside and dries the return air channel that chamber is communicated with wet feed；Into a hot-air part for recuperation of heat gas circuit from the discharge of hydrofuge passage, another part is back to wet feed through return air channel and dried in chamber；The present invention can carry out high-quality drying to the white fungus of different humidity simultaneously with air heat energy, economic and environment-friendly.
Description
Technical field
The present invention relates to food processing machinery field, especially a kind of drying unit circulated based on air heat energy.
Background technology
White fungus is common edible mushroom, but to white fungus when drying operation, the white fungus of different humidity is wanted to drying environment
Seeking Truth is different, if the white fungus of such as high humidity is dried with high temperature, is easily ripened white fungus and loses value；But such as
Fruit is individually dried specifically designed for the white fungus material of different humidity, then cost can be increased again, in addition, being adopted old tremella fuciformis drying process more
It is thermal source with firewood, baker, easily influences environment.
The content of the invention
The present invention proposes a kind of drying unit circulated based on air heat energy, can be with air heat energy simultaneously to different humidity
White fungus carries out high-quality drying, economic and environment-friendly.
The present invention uses following technical scheme.
A kind of drying unit circulated based on air heat energy, can be dried, the drying with air heat energy to edible mushroom
Device includes siccative and dries chamber, wet feed baking chamber, thermal source, recuperation of heat gas circuit and blast apparatus；The siccative dries chamber and dries chamber phase with wet feed
It is logical；Wet feed dries chamber and communicated with recuperation of heat gas circuit；It is the chamber that half dry material small to water content is dried that the siccative, which dries chamber,；
It is the chamber that the wet stock big to water content is dried that the wet feed, which dries chamber,；After extraneous air is heated through thermal source, set in air blast
First enter siccative baking double of dry material of chamber through fresh air channel under standby Action of Wind pressure to be dried；Enter back into wet feed and dry chamber to wet stock
Dried；The hot-air that wet feed is dried in chamber enters recuperation of heat gas circuit under Action of Wind pressure；The recuperation of heat gas circuit include with it is outer
Hydrofuge passage and dry the return air channel that chamber is communicated with wet feed that portion is communicated；Hot-air into recuperation of heat gas circuit is a part of from hydrofuge
Passage is discharged, and another part is back to wet feed through return air channel and dried in chamber.
The thermal source includes first heat exchanger and second heat exchanger；The first heat exchanger is located at fresh air channel
Place, is heated to the extraneous air for entering drying unit；The second heat exchanger is at return air channel, to entering return air
The hot-air of passage carries out reheating；Hot-air is pressurizeed provided with fan at the return air channel.
The first heat exchanger be equipped with the second exchanger with the intensive disk of heat-exchange tube into heat release pipe network；It is described
Refrigerant is provided with the heat-exchange tube of first heat exchanger and the second exchanger, first heat exchanger and the second exchanger are with refrigerant
Pipeline is connected with compressor, heat dump；The heat dump is located at outside the casing of drying unit, is provided with heat dump with heat-exchange tube
Intensive disk into heat absorption pipe network；The driven compressor refrigerant is in refrigerant Bottomhole pressure, and when refrigerant flow to heat dump, refrigerant exists
The interior expansion of the pipe network that absorbs heat is to absorb the heat in extraneous air, when refrigerant flow to first heat exchanger and the second exchanger, refrigerant
Heated the extraneous air for entering drying unit to discharge heat energy by compressing in heat release pipe network.
The method dried using the drying unit to material is comprised the following steps successively；
A1, siccative dry chamber in be put into half small dry material of water content；Dried in wet feed in chamber and be put into the big wet stock of water content；
A2, blast apparatus start sucks drying unit extraneous air, after extraneous air is heated through first heat exchanger, in air blast
First enter siccative baking double of dry material of chamber through fresh air channel under equipment Action of Wind pressure to be dried；
The hot-air that A3, siccative are dried in chamber enters wet feed baking chamber through air holes dries to wet stock；
The hot-air that A4, wet feed are dried in chamber enters recuperation of heat gas circuit；A hot-air part into recuperation of heat gas circuit is logical from hydrofuge
Road is discharged, and another part enters return air channel；Under fans drive through return air channel be back to wet feed dry chamber in continue dry it is wet
Material；
A5, after the aridity of material that siccative is dried in chamber reaches pre-provisioning request, dried from siccative in chamber and take out material；Then again
The material that wet feed is dried in chamber is transferred to siccative and dried in chamber.
In step A2, the temperature range that siccative dries chamber is Celsius between 70 degree to 80 degree；In step A3, wet feed dries chamber
Temperature be 50 degree Celsius.
The compressor is motor compressor；Auxilairy air intake is provided with hydrofuge passage；Siccative dry chamber and wet feed dry chamber it
Between separated with dividing plate；Air holes is provided with dividing plate.
Two groups of drying units are combined into a baking room to share heat exchanger mode, include two pieces of heat exchanges per baking room
Device, two groups of blast apparatuses, two groups of fresh wind ports, two groups of moisture exhausting ports, multiple baking storehouses；Storehouse is dried to return including siccative baking chamber, wet feed baking chamber, heat
Receiving apparatus and the outer machine of two air energy heat pumps；The siccative dries chamber, and positioned at lower floor, wet feed dries chamber and is located at upper strata；In heat exchanger
Put recuperation of heat gas circuit；The outer machine of air energy heat pump is built-in with compressor；Air energy heat pump is connected with heat exchanger.
It is first dry into lower floor through fresh air channel under blast apparatus Action of Wind pressure after extraneous air is heated through heat regenerator
The first heat exchanger that material dries at chamber is reheated；Dried layer by layer into double of air channel dry material by blower fan again；Then
Air holes of a part of hot-air through dividing plate enters wet feed baking chamber dries to wet stock；Another part hot-air dries chamber through lower floor
Exhaust duct export to fresh air channel and mixed with fresh air, be again introduced into first heat exchanger and reheat；Chamber output is dried from wet feed
A part of entering to dry storehouse of hot-air upper strata return air channel and dry storehouse upper strata auxilairy air intake air mixing after through second heat hand over
Parallel operation is heated, and is circulated with this；The hot-air that another part dries chamber output from wet feed carries the hot-airs of a large amount of aqueous vapors toward hydrofuge wind
Discharge in road.
The material is white fungus, and the siccative baking chamber, wet feed dry in chamber and be uniformly arranged white fungus shelf so that white fungus is uniformly put
Put；Wet feed dries chamber side-walls and communicated provided with wet chamber recuperation of heat passage with recuperation of heat gas circuit, and wet chamber recuperation of heat passage makes wet chamber heat empty
It is a part of in line to recuperation of heat gas circuit in gas, the heat recovery to strengthen wet chamber hot-air；Siccative dries chamber side-walls and is provided with
Dry chamber recuperation of heat passage is communicated with fresh air channel, and dry chamber recuperation of heat passage makes a part of in line logical to fresh air in dry chamber hot-air
Road, to strengthen the heating to new suction extraneous air.
Siccative dries half dry tremella humidity of materials scope in chamber between 10-40%RH, wet feed dries the wet white fungus material in chamber
Humidity range is between 40-95%RH.
In the present invention, after extraneous air is heated through thermal source, first enter dry through fresh air channel under blast apparatus Action of Wind pressure
Material, which dries double of dry material of chamber, is dried；Wet feed baking chamber is entered back into dry wet stock；The design causes hot-air dry
Material dries in chamber and first discharges a part of heat, cools and carries after aqueous vapor, enters back into wet feed and dries chamber, due to carrying the heat of a large amount of aqueous vapors
The specific heat capacity increase of air, the speed that it discharges heat is also more constant, and can preferably with wrinkle rating very big white fungus table
Face contacts and heated, so that moisture content can be discharged under stable hygrothermal environment by allowing wet feed to dry the wet white fungus in chamber, reaches leather hard
State, is difficult curing, and white fungus when being dried under hygrothermal environment its overall humidity be more easily controlled, be difficult to go out on white fungus material
The state of existing semi-wet is more favourable to follow-up further drying.
In the present invention, the hot-air that wet feed is dried in chamber enters recuperation of heat gas circuit under Action of Wind pressure；The recuperation of heat gas circuit
The return air channel that chamber is communicated is dried including the hydrofuge passage communicated with outside and with wet feed；Into the hot-air one of recuperation of heat gas circuit
Divide from the discharge of hydrofuge passage, another part is back to wet feed through return air channel and dried in chamber；It is wet in chamber that the design make it that wet feed dries
Degree is easily controllable, and can reclaim a large amount of heat energy, energy-conserving and environment-protective.
In the present invention, the first heat exchanger be equipped with the second exchanger with the intensive disk of heat-exchange tube into heat release
Pipe network；Refrigerant is provided with the heat-exchange tube of the first heat exchanger and the second exchanger, first heat exchanger and second exchange
Device is connected with refrigerant pipe with compressor, heat dump；The heat dump is located at outside the casing of drying unit, is provided with heat dump
With the intensive disk of heat-exchange tube into heat absorption pipe network；The driven compressor refrigerant is in refrigerant Bottomhole pressure, when refrigerant flow to heat absorption
During device, refrigerant is expanded to absorb the heat in extraneous air in heat absorption pipe network, is handed over when refrigerant flow to first heat exchanger and second
During parallel operation, refrigerant is heated the extraneous air into drying unit in heat release pipe network by compressing to discharge heat energy；The design is imitated
According to the principle of air-source water heater, energy-absorbing and discharged directly from air in drying unit, it is green without using the fuel such as firewood
Colour circle is protected, and which can reach the accurate temperature controlling effect of air-conditioning equipment, highly beneficial to the dries quantity of lifting white fungus.
The present invention dries chamber, wet feed as a result of siccative and dries the mutual cooperation operating type of chamber, so as to form easy
Pipelining mode, is made up to after predetermined aridity with damp-heat air to wet tremella fuciformis drying, then is transferred to fast in siccative baking chamber
Speed drying；Such white fungus material circulation, improves drying efficiency, and be conducive to ensureing the continuity dried lifting drying
Quality.
In the present invention, exhaust vent is exactly the moisture exhausting port that lower floor's siccative dries chamber, is also the fresh wind port that upper strata wet feed dries chamber, because under
Layer is to dry half-dried humidity of materials to only have between 10-40%RH, and upper strata is to dry wet stock humidity between 40-95%RH, so not
In the case of the humiture for influenceing upper strata baking chamber, the heat energy for very reclaiming lower floor is served.
The present invention is dried twice due to using, and wet white fungus is dried in wet feed baking chamber with damp-heat air, so that
So that the intermediate baking degree of wet white fungus is easily controlled, the hot-air humidity that wet feed is dried in chamber can dry white fungus in chamber as wet feed and dry
The dry humidity threshold to be reached is used.
Brief description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description：
Accompanying drawing 1 is the schematic diagram of the present invention；
Accompanying drawing 2 be the present invention fresh air channel, siccative dry chamber, wet feed dry chamber at close-up schematic view；
Accompanying drawing 3 is the cut-away illustration on the other direction of the present invention；
Accompanying drawing 4 is the air flow schematic diagram of the present invention；
In figure：1- siccatives dry chamber；2- fresh air channels；3- first heat exchangers；4- wet feeds dry chamber；5- air holes；6- recuperation of heat gas circuits；
7- second heat exchangers；8- thermals source；9- dividing plates；10- hydrofuge passages；11- return air channels；12- white fungus shelfs；13- additional-air inlets
Mouthful；15- aids in fresh wind port；The wet chamber recuperation of heat passages of 16-；The dry chamber recuperation of heat passages of 17-；18- dries storehouse.
Embodiment
As Figure 1-4, a kind of drying unit circulated based on air heat energy, can be dried with air heat energy to edible mushroom
Dry, the drying unit includes siccative and dries chamber 1, wet feed baking chamber 4, thermal source 8, recuperation of heat gas circuit 6 and blast apparatus；The siccative dries
Chamber 1 dries chamber 4 with wet feed and communicated；Wet feed dries chamber 4 and communicated with recuperation of heat gas circuit 6；The siccative dries chamber 1 to be small to water content half-dried
The chamber that material is dried；It is the chamber that the wet stock big to water content is dried that the wet feed, which dries chamber 4,；Extraneous air is passed through
After thermal source 8 is heated, first dried under blast apparatus Action of Wind pressure through fresh air channel 2 into siccative baking double of dry material of chamber；
Wet feed baking chamber is entered back into dry wet stock；The hot-air that wet feed is dried in chamber enters recuperation of heat gas circuit 6 under Action of Wind pressure；
The recuperation of heat gas circuit includes the hydrofuge passage 10 communicated with outside and dries the return air channel 11 that chamber is communicated with wet feed；Returned into heat
The hot-air part on getter road is from the discharge of hydrofuge passage, and another part is back to wet feed through return air channel and dried in chamber.
The thermal source includes first heat exchanger 3 and second heat exchanger 7；The first heat exchanger is located at fresh air channel
Place, is heated to the extraneous air for entering drying unit；The second heat exchanger is at return air channel, to entering return air
The hot-air of passage carries out reheating；Hot-air is pressurizeed provided with fan at the return air channel.
The first heat exchanger be equipped with the second exchanger with the intensive disk of heat-exchange tube into heat release pipe network；It is described
Refrigerant is provided with the heat-exchange tube of first heat exchanger and the second exchanger, first heat exchanger and the second exchanger are with refrigerant
Pipeline is connected with compressor, heat dump；The heat dump is located at outside the casing of drying unit, is provided with heat dump with heat-exchange tube
Intensive disk into heat absorption pipe network；The driven compressor refrigerant is in refrigerant Bottomhole pressure, and when refrigerant flow to heat dump, refrigerant exists
The interior expansion of the pipe network that absorbs heat is to absorb the heat in extraneous air, when refrigerant flow to first heat exchanger and the second exchanger, refrigerant
Heated the extraneous air for entering drying unit to discharge heat energy by compressing in heat release pipe network.
The method dried using the drying unit to material is comprised the following steps successively；
A1, siccative dry chamber in be put into half small dry material of water content；Dried in wet feed in chamber and be put into the big wet stock of water content；
A2, blast apparatus start sucks drying unit extraneous air, after extraneous air is heated through first heat exchanger, in air blast
First enter siccative baking double of dry material of chamber through fresh air channel under equipment Action of Wind pressure to be dried；
The hot-air that A3, siccative are dried in chamber enters wet feed baking chamber through air holes dries to wet stock；
The hot-air that A4, wet feed are dried in chamber enters recuperation of heat gas circuit；A hot-air part into recuperation of heat gas circuit is logical from hydrofuge
Road is discharged, and another part enters return air channel；Under fans drive through return air channel be back to wet feed dry chamber in continue dry it is wet
Material；
A5, after the aridity of material that siccative is dried in chamber reaches pre-provisioning request, dried from siccative in chamber and take out material；Then again
The material that wet feed is dried in chamber is transferred to siccative and dried in chamber.
In step A2, the temperature range that siccative dries chamber is Celsius between 70 degree to 80 degree；In step A3, wet feed dries chamber
Temperature be 50 degree Celsius.
The compressor is motor compressor；Auxilairy air intake is provided with hydrofuge passage；Siccative dry chamber and wet feed dry chamber it
Between separated with dividing plate 9；Air holes 5 is provided with dividing plate.
Two groups of drying units are combined into a baking room to share heat exchanger mode, include two pieces of heat exchanges per baking room
Device, two groups of blast apparatuses, two groups of fresh wind ports, two groups of moisture exhausting ports, multiple baking storehouses；Storehouse is dried to return including siccative baking chamber, wet feed baking chamber, heat
Receiving apparatus and the outer machine of two air energy heat pumps；The siccative dries chamber, and positioned at lower floor, wet feed dries chamber and is located at upper strata；In heat exchanger
Put recuperation of heat gas circuit；The outer machine of air energy heat pump is built-in with compressor；Air energy heat pump is connected with heat exchanger.
It is first dry into lower floor through fresh air channel under blast apparatus Action of Wind pressure after extraneous air is heated through heat regenerator
The first heat exchanger that material dries at chamber is reheated；Dried layer by layer into double of air channel dry material by blower fan again；Then
Air holes of a part of hot-air through dividing plate enters wet feed baking chamber dries to wet stock；Another part hot-air dries chamber through lower floor
Exhaust duct export to fresh air channel and mixed with fresh air, be again introduced into first heat exchanger and reheat；Chamber output is dried from wet feed
A part of entering to dry storehouse of hot-air upper strata return air channel and dry storehouse upper strata auxilairy air intake air mixing after through second heat hand over
Parallel operation is heated, and is circulated with this；The hot-air that another part dries chamber output from wet feed carries the hot-airs of a large amount of aqueous vapors toward hydrofuge wind
Discharge in road.
The material is white fungus, and the siccative baking chamber, wet feed dry in chamber and be uniformly arranged white fungus shelf 12 so that white fungus is uniform
Place；Wet feed dries chamber side-walls and communicated provided with wet chamber recuperation of heat passage with recuperation of heat gas circuit, and wet chamber recuperation of heat passage makes wet chamber heat
It is a part of in line to recuperation of heat gas circuit in air, the heat recovery to strengthen wet chamber hot-air；Siccative dries chamber side-walls and set
There is dry chamber recuperation of heat passage to be communicated with fresh air channel, dry chamber recuperation of heat passage makes a part of in line to fresh air in dry chamber hot-air
Passage, to strengthen the heating to new suction extraneous air.
Siccative dries half dry tremella humidity of materials scope in chamber between 10-40%RH, wet feed dries the wet white fungus material in chamber
Humidity range is between 40-95%RH..
In this example, wet-emitting blower is provided with hydrofuge passage, the top in storehouse 18 is dried provided with auxiliary fresh wind port 15 and recuperation of heat gas
Road is communicated.
Claims (10)
1. a kind of drying unit circulated based on air heat energy, can be dried with air heat energy to edible mushroom, it is characterised in that：
The drying unit includes siccative and dries chamber, wet feed baking chamber, thermal source, recuperation of heat gas circuit and blast apparatus；The siccative dry chamber with it is wet
Material dries chamber and communicated；Wet feed dries chamber and communicated with recuperation of heat gas circuit；The siccative dries chamber and dried for half dry material small to water content
Dry chamber；It is the chamber that the wet stock big to water content is dried that the wet feed, which dries chamber,；After extraneous air is heated through thermal source,
First enter siccative baking double of dry material of chamber through fresh air channel under blast apparatus Action of Wind pressure to be dried；Enter back into wet feed and dry chamber
Wet stock is dried；The hot-air that wet feed is dried in chamber enters recuperation of heat gas circuit under Action of Wind pressure；The recuperation of heat gas circuit
The return air channel that chamber is communicated is dried including the hydrofuge passage communicated with outside and with wet feed；Into the hot-air one of recuperation of heat gas circuit
Divide from the discharge of hydrofuge passage, another part is back to wet feed through return air channel and dried in chamber.
2. a kind of drying unit circulated based on air heat energy according to claim 1, it is characterised in that：The thermal source bag
Include first heat exchanger and second heat exchanger；The first heat exchanger is at fresh air channel, to entering drying unit
Extraneous air is heated；The second heat exchanger is weighed at return air channel to the hot-air for entering return air channel
Heating；Hot-air is pressurizeed provided with fan at the return air channel.
3. a kind of drying unit circulated based on air heat energy according to claim 2, it is characterised in that：First heat
Be equipped with exchanger and the second exchanger with the intensive disk of heat-exchange tube into heat release pipe network；The first heat exchanger and second
Refrigerant is provided with the heat-exchange tube of exchanger, first heat exchanger and the second exchanger are with refrigerant pipe and compressor, heat absorption
Device is connected；The heat dump is located at outside the casing of drying unit, be provided with heat dump with the intensive disk of heat-exchange tube into endothermic tube
Net；The driven compressor refrigerant is in refrigerant Bottomhole pressure, when refrigerant flow to heat dump, refrigerant heat absorption pipe network in expand with
The heat in extraneous air is absorbed, when refrigerant flow to first heat exchanger and the second exchanger, refrigerant is pressed in heat release pipe network
The extraneous air into drying unit is heated in contracting to discharge heat energy.
4. a kind of drying unit circulated based on air heat energy according to claim 3, it is characterised in that：Dried using described
The method that equipment for drying is dried to material comprises the following steps successively；
A1, siccative dry chamber in be put into half small dry material of water content；Dried in wet feed in chamber and be put into the big wet stock of water content；
A2, blast apparatus start sucks drying unit extraneous air, after extraneous air is heated through first heat exchanger, in air blast
First enter siccative baking double of dry material of chamber through fresh air channel under equipment Action of Wind pressure to be dried；
The hot-air that A3, siccative are dried in chamber enters wet feed baking chamber through air holes dries to wet stock；
The hot-air that A4, wet feed are dried in chamber enters recuperation of heat gas circuit；A hot-air part into recuperation of heat gas circuit is logical from hydrofuge
Road is discharged, and another part enters return air channel；Under fans drive through return air channel be back to wet feed dry chamber in continue dry it is wet
Material；
A5, after the aridity of material that siccative is dried in chamber reaches pre-provisioning request, dried from siccative in chamber and take out material；Then again
The material that wet feed is dried in chamber is transferred to siccative and dried in chamber.
5. a kind of drying unit circulated based on air heat energy according to claim 4, it is characterised in that：In step A2
In, the temperature range that siccative dries chamber is Celsius between 70 degree to 80 degree；In step A3, the temperature that wet feed dries chamber is Celsius 50
Degree.
6. a kind of drying unit circulated based on air heat energy according to claim 3, it is characterised in that：The compressor
For motor compressor；Auxilairy air intake is provided with hydrofuge passage；Siccative dries to be separated between chamber and wet feed baking chamber with dividing plate；At dividing plate
Provided with air holes.
7. a kind of drying unit circulated based on air heat energy according to claim 6, it is characterised in that：Two groups of drying dresses
Put and be combined into a baking room to share heat exchanger mode, include per baking room two pieces of heat exchangers, two groups of blast apparatuses, two groups
Fresh wind port, two groups of moisture exhausting ports, multiple baking storehouses；Drying storehouse includes siccative baking chamber, wet feed baking chamber, heat reclamation device and two air energy thermals
The outer machine of pump；The siccative dries chamber, and positioned at lower floor, wet feed dries chamber and is located at upper strata；Recuperation of heat gas circuit built in heat exchanger；Air energy thermal
The outer machine of pump is built-in with compressor；Air energy heat pump is connected with heat exchanger.
8. a kind of drying unit circulated based on air heat energy according to claim 7, it is characterised in that：Extraneous air is passed through
After heat regenerator heating, under blast apparatus Action of Wind pressure, the first heat first entered through fresh air channel at lower floor's siccative baking chamber is handed over
Parallel operation is reheated；Dried layer by layer into double of air channel dry material by blower fan again；Then a part of hot-air is through dividing plate
Air holes enter wet feed dry chamber wet stock is dried；The exhaust duct that another part hot-air dries chamber through lower floor is exported to fresh air
Passage is mixed with fresh air, is again introduced into first heat exchanger and is reheated；A part of entering to dry of hot-air of chamber output is dried from wet feed
Heat, circulated with this through second heat exchanger after the air mixing of storehouse upper strata return air channel and the auxilairy air intake on baking storehouse upper strata；
The hot-air that the hot-air that another part dries chamber output from wet feed carries a large amount of aqueous vapors is discharged toward hydrofuge air channel.
9. a kind of drying unit circulated based on air heat energy according to claim 1, it is characterised in that：The material is
White fungus, the siccative baking chamber, wet feed dry in chamber and are uniformly arranged white fungus shelf so that white fungus is uniformly placed；Wet feed dries chamber side-walls and set
There is wet chamber recuperation of heat passage to be communicated with recuperation of heat gas circuit, wet chamber recuperation of heat passage makes a part of in line to hot in wet chamber hot-air
Reclaim gas circuit, the heat recovery to strengthen wet chamber hot-air；Siccative dries chamber side-walls and is provided with dry chamber recuperation of heat passage and fresh air
Passage is communicated, dry chamber recuperation of heat passage make it is a part of in line to fresh air channel in dry chamber hot-air, to strengthen to new suction
The heating of extraneous air.
10. a kind of drying unit circulated based on air heat energy according to claim 9, it is characterised in that：Siccative dries chamber
Half interior dry tremella humidity of materials scope is between 10-40%RH, the wet white fungus humidity of materials scope that wet feed dries in chamber is 40-95%
Between RH.
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| CN117268063A (en) * | 2023-11-22 | 2023-12-22 | 福建春田科技有限公司 | Efficient energy-saving drying equipment |
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Application publication date: 20170714 |