CN108800801A - A kind of heat pump hot wind cycle intelligent oven drying device - Google Patents
A kind of heat pump hot wind cycle intelligent oven drying device Download PDFInfo
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- CN108800801A CN108800801A CN201810879033.6A CN201810879033A CN108800801A CN 108800801 A CN108800801 A CN 108800801A CN 201810879033 A CN201810879033 A CN 201810879033A CN 108800801 A CN108800801 A CN 108800801A
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- air
- heat pump
- supply
- static pressure
- return air
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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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- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of heat pump hot wind cycle intelligent oven drying devices, including building enclosure, the air-supply passage being arranged in the building enclosure, air-supply static pressure layer, arid region, return air static pressure layer, the Analysis of Heat Pump Drying System being connect with the building enclosure, the connection building enclosure and the heat pump air-supply passage of Analysis of Heat Pump Drying System, heat pump return air channel, wind output channel, the mode conversion switch being arranged in building enclosure, the electrical heating controller being arranged in building enclosure.The present invention uses the drying mode that heat pump is combined with electrical heating, can free switching and automatically combine intelligentized control method, energy recovery type moisture exhausting port is used to improve thermo-compression evaporation temperature to improve efficiency, and use air-supply face parallel adjustable variable cross-section air supply mode, for improving arid region air current composition, ensure the uniform and stable of arid region air-flow, improves drying efficiency, reduce energy consumption.
Description
Technical field
The invention belongs to Building Environment and Equipment Engineering technical fields, are related to a kind of air circulation processing system, specifically relate to
And a kind of heat pump hot wind cycle intelligent oven drying device.
Background technology
More and more extensive with the use of dry technology, the performance and energy-saving effect of various drying devices are increasingly drawn
The attention of people is played, therefore study the energy saving of drying box, drying effect and automation control to be particularly important, in drying box
Portion's structure and the dry energy are the most important thing again.
Box-type drying device is one of the drying device used earliest, and structure is relatively easy, there is certain flexibility, application
Face is extremely wide, dry channel short-wide, internal difference in temperature usually within 10 DEG C, overcome the temperature difference before and after other drying devices it is big,
The low deficiency of dry flexibility.But box-type drying device is because of width, larger, the hot-air uniformity in internal all directions of height
Poor, the product close from dry entrance can be may result in product and be excessively heated by more heat, meanwhile, from drying
Dry standard can be not achieved in the remote product of entrance because of shortage of heat.
Patent CN105028611A discloses a kind of parallel blowing-type edible mushroom heat pump drying device of dry face, which adopts
Improve dry gas stream tissue with the parallel air-supply of dry face, new ventilation slot is adjusted by the way that the temperature sensor in arid region is arranged
Opening and closing, the air pushing hole for non-homogeneous orifice plate of blowing changes in vertical direction, to change the ventilation state of dry gas stream, although one
Determine the requirement that dried material is met in degree for dry gas stream, but lower layer's air-supply upper layer air-supply is for dry gas stream
Adjustable range is smaller, it cannot be guaranteed that the air-supply air-flow consistency of vertical direction, influences the dried material quality of upper and lower different location,
The patent described device needs a large amount of manual workings simultaneously, relatively complicated.
Invention content
Technical problem:The present invention provides one kind can effectively improving drying efficiency and quality, ensures air in drying process
Speed, the uniformity of temperature and humidity improve energy utilization rate, reduce pollutant emission, while intelligent automation controls, behaviour
Make more convenient, the high heat pump hot wind cycle intelligent oven drying device of drying efficiency.
Technical solution:The heat pump hot wind cycle intelligent oven drying device of the present invention, including building enclosure, setting are described
Air-supply passage, air-supply static pressure layer in building enclosure, arid region, heat pump return air static pressure layer, connect with the building enclosure
Drying system, the heat pump air-supply passage of the connection building enclosure and Analysis of Heat Pump Drying System, heat pump return air channel, wind output channel,
The mode conversion switch being arranged in building enclosure, the electrical heating controller being arranged in building enclosure, before the building enclosure
Fresh wind port is respectively arranged on two sides afterwards, the arid region is located at below air-supply passage, the wind output channel and dry section
The top in domain connects, and is connected with the heat exchanger being arranged in Analysis of Heat Pump Drying System, the air-supply static pressure layer and return air static pressure
Layer is located at the both sides of arid region, and air-supply static pressure layer and arid region are separated by air-supply plate, arid region and return air static pressure
Layer is separated by return air plate, and the air-supply passage is located at the top of building enclosure and is connected to air-supply static pressure layer and return air static pressure layer, described
Air-supply plate and return air plate are adjustable board of variable section, and the adjustable variable cross-section means adjustable air-supply area of section, institute
The air outlet for stating Analysis of Heat Pump Drying System is connected to by heat pump air-supply passage with air-supply passage, and the air inlet of Analysis of Heat Pump Drying System passes through
Heat pump return air channel is connected to return air static pressure layer, and is connected to wind output channel, the air-supply passage and air-supply static pressure layer junction
It is provided with wind turbine, the wind turbine air-out direction is provided with electric heater.Multilayers material torr is provided in arid region from top to bottom
Disk, multigroup air opening for being arranged is correspondingly arranged with the space above each layer material tray respectively on the air-supply plate, return air plate
Multigroup return to the wind of upper setting is also correspondingly arranged with the space above each layer material tray respectively.
Further, in apparatus of the present invention, wind output channel is connect with the moisture exhausting port at the top of arid region, the building enclosure
The fresh wind port of leading flank is arranged at heat pump return air channel port, and is in return air static pressure layer lower end, building enclosure trailing flank
Fresh wind port and the pairs of linea angulata of the first fresh wind port of leading flank be arranged.
Further, in apparatus of the present invention, arid region inner space is wide, it is the ratio between high, deep be 1:(1.5~1.8):(1~
1.2), arid region inner width is 600~800mm, and the air-supply static pressure layer and return air static pressure layer are wide at the top and narrow at the bottom tapered
Type static pressure layer, taper angle are 4 °~10 °, and it is 1 that the ratio between the air-supply static pressure layer and return air static pressure layer inner space are wide, high, deep:
(1.5~2):(2~3), air-supply static pressure layer and return air static pressure slice width degree are 200~350mm.
Further, in apparatus of the present invention, the air-supply sectional area of heat pump air-supply passage and air-supply passage air-supply sectional area it
Than being 1:(2~3), the ratio between air-supply sectional area and air-supply passage air-supply sectional area of heat pump return air channel is 1:(2~3), described
The ratio between the effective area of fresh wind port and air-supply passage air-supply sectional area are 1:(4~6), the effective area of wind output channel and air-supply are logical
The ratio between road air-supply sectional area is 1:(4~6).
Further, in apparatus of the present invention, mode conversion switch is arranged at return air static pressure layer medium-altitude 40~60%,
The mode conversion switch includes the wind shield being set in return air static pressure layer, set on drying device shell and connects the handle of wind shield
Hand, by rotating handles so that the entire return air static pressure layer of the plate closing that keeps out the wind or unlatching return air static pressure layer.
Further, in apparatus of the present invention, arid region side is equipped with the drying for placement material and experiment measurement
Case switch gate, edge slot squash type handle is provided on the drying box switch gate, and the drying box switch gate opens test
When, by being provided with the test door termination arid region of instrument connection, probe is stretched by instrument connection and carries out test number in drying box
According to.
Further, in apparatus of the present invention, material tray is the orifice plate that punching rate is 30% ~ 60%, the air-supply plate with return
The adjustable berth for adjusting openings of sizes is equipped on aerofoil away from batten.
Further, in apparatus of the present invention, air-supply plate thickness is 2~3mm, and the return air plate thickness is 2~3mm, described
Adjustable berth away from plate thickness be 1~2mm, width be 4~6cm, adjustable distance of the adjustable berth away from batten be 2~
8cm。
Further, in apparatus of the present invention, adjustable berth is mounted on by screw on air-supply plate and return air plate away from batten, and
The position of adjustable batten is adjusted by turning screw, realizes the adjusting of the openings of sizes to air-supply plate and return air plate.
Further, in apparatus of the present invention, heat exchanger is the total-heat exchanger for being provided with diamond shape heat exchanging core, described
Each layer of air duct in diamond shape heat exchanging core is separated by heat exchange aluminium-foil paper and carries out heat exchange.
Heat pump hot wind cycle intelligent oven drying device of the present invention is combined the control of linkage by electrical heating with heat pump
Mode processed is dried, and fundamentally solves the problems, such as that energy dissipation is not energy-efficient, and people has both been saved in intelligent automation control
Power improves efficiency again;Recuperation of heat is carried out by using the heat of air draft, improves system effectiveness;The side that variable cross-section is blown in structure
Formula improves traditional air supply velocity condition and temperature condition so that drying device internal gas flow even tissue creates hot wind speed
Field, temperature field and the uniform dry environment of moisture field are spent, drying quality is not only substantially increased, also improves dry effect
Rate has saved the energy.
Advantageous effect:Compared with existing drying device, the present invention has the following advantages:
1. the present invention is dried using electrical heating in such a way that heat pump is combined, the temperature sensing of electrical heating institute band is used
Device tests arid region temperature, and then the start and stop of intelligent control heat pump drying compressor, changes tradition single electrical heating or heat
Pump heating introduces heat pump and is aided with electrically heated drying means, using automation control, optimizes using energy source, needed for reduction
Manpower and materials, energy-saving and emission-reduction whiles, complementary combination heating improved dry efficiency again.
2. the present invention recommends to use percent opening for 30~60% orifice plate component material pallet, and the opening position for plate of blowing
Set just above the material tray a little at, orifice plate increases the mobility of drying box interior air-flow tissue so that every layer of material support
The drying operating mode of disk reaches unanimity, and the directly effective dried material of air opening promotes the dry face of material to be in direct contact hot wind
It is more abundant, it is more uniformly distributed, improves dry efficiency, save energy.
3. the present invention uses air-supply plate and return air plate for the air-supply of adjustable openings size and return air, adjustable berth is equipped with away from item
Plate, the convenient size for directly adjusting air opening, allows air supply velocity targetedly adjusted under different situations, has
Profit improves the unstable of air-supply operating mode, and being uniformly distributed for entire arid region air-supply air current composition, reduction is promoted to cause dry effect
The unstable situation of fruit ensures that the dry materials effect of different material pallet layer reaches unanimity, uniformly.
4. the present invention by Setting pattern change-over switch can it is simple and convenient by handle controllable register to return air static pressure
The keying of layer is adjusted in different drying regimes with corresponding drying mode with switching electrical heating pattern and heat pump pattern
It is heated, when single electrical heating pattern, mode conversion switch is normally opened, and when single heat pump pattern, mode conversion switch is normal
It closes, when two kinds of heating combine, mode conversion switch is half-open.
5. the present invention drying box switch gate on have insulating layer, preferably it is closed, can effectively reduce because leakage and
Caused by thermal loss, and extruding to drying box switch gate can be adjusted by the squash type handle on drying box switch gate
Degree, if the degree of extruding greatly if sealed thermal insulating degree it is more preferable, drying device of the present invention has sufficient leakproofness and good
Heat-insulating property.
6. the present invention improves the temperature with evaporator heat exchange gas, and then improve heat by using the waste heat of recycling air draft
The efficiency of pump drying system.
Description of the drawings
Fig. 1 is the structural diagram of the present invention
Fig. 2 is the adjustable berth of the present invention away from batten schematic diagram
Fig. 3 is drying box switch gate schematic diagram
Fig. 4 is test gate schematic diagram
Fig. 5 is present invention gradual shrinkage air channel structure schematic diagram wide at the top and narrow at the bottom
Fig. 6 is the schematic diagram of Analysis of Heat Pump Drying System of the present invention
Fig. 7 is heat exchanger core
The meaning marked in attached drawing is as follows:
5 heat pump system 6- electric heaters of 1- building enclosure 2- electrical heating controller 3- heat pump air-supply passage 4- heat pumps return air channel
7- wind turbine 8- adjustable berths are away from batten 9- air-supply plate 10- material tray 11- air-supply passage 12- fresh wind port 13- wind output channels
14- screw 15- return air plate 16- drying box switch gate 17- squash type handle 18- test gate 19- mode conversion switch 20- pressures
Contracting machine 21- evaporator 22- heat exchanger 23- condenser 24- exhaust outlet 25- fresh air channels 26- throttle valve As-air-supply is quiet
The arid regions laminate layer B- C- return air static pressure layers.
Specific implementation mode
More specific detail is made to technical solution of the present invention with reference to embodiment:
In the present embodiment the device include building enclosure 1, the air-supply passage 11 that is arranged in the building enclosure 1, air-supply static pressure
Layer A, arid region B, return air static pressure layer C, the Analysis of Heat Pump Drying System 5 being connect with the building enclosure 1, the connection building enclosure
1 and Analysis of Heat Pump Drying System 5 heat pump air-supply passage 3, heat pump return air channel 4, wind output channel 13, be arranged in building enclosure 1
Mode conversion switch 19, the electrical heating controller 2 being arranged in building enclosure 1,1 front and rear sides face of the building enclosure are provided with
Fresh wind port 12, the arid region B are located at 11 lower section of air-supply passage, and the initial position of the wind output channel 13 is arranged in dry section
At the top of B, and it is connected with the heat exchanger 22 being arranged in Analysis of Heat Pump Drying System 5, the air-supply static pressure layer A and return air static pressure layer C
The both sides of arid region B are located at, air-supply static pressure layer A and arid region B is separated by air-supply plate 9, and arid region B and return air are quiet
Laminate layer C is separated by return air plate 15, and the air-supply passage 11 is located at the top of building enclosure 1 and is connected to air-supply static pressure layer A and return air is quiet
Laminate layer C, the air-supply plate 9 and return air plate 15 are adjustable board of variable section, and the adjustable variable cross-section means adjustable send
The air outlet of wind area of section, the Analysis of Heat Pump Drying System 5 is connected to by heat pump air-supply passage 3 with air-supply passage 11, and heat pump is dry
The air inlet of drying system 5 is connected to by heat pump return air channel 4 with return air static pressure layer C, and it is dry that the heat exchanger 22 is set to heat pump
It in drying system 5, and is connected to the wind output channel 13, the junctions the air-supply passage 11 and air-supply static pressure layer A are provided with wind turbine
7,7 air-out direction of the wind turbine is provided with electric heater 6;The present invention is carried out using electrical heating in such a way that heat pump is combined
It is dry, test arid region temperature using the temperature sensor of electrical heating institute band, and then intelligent control heat pump drying compressor
Start and stop change tradition single electrical heating or heat pump, introduce heat pump and are aided with electrically heated drying means, using automatic
Change control, optimize using energy source, reduce required manpower and materials, energy-saving and emission-reduction whiles, complementary combination heating improved again
Dry efficiency.
In the present embodiment, multilayer dose pallet 10 is provided in the B of arid region from top to bottom, is arranged on the air-supply plate 9
Multigroup air opening be correspondingly arranged respectively with the space above each layer material tray, the multigroup air-supply being arranged on return air plate 15 is opened
Mouth is also correspondingly arranged with the space above each layer material tray respectively.
In a kind of embodiment of the present invention, the moisture exhausting port initial position of wind output channel 13 is arranged at the top of arid region B,
Humidity larger air in arid region is directly discharged by wind output channel 13, and be arranged in the Analysis of Heat Pump Drying System 5
Heat exchanger 22 is connected, to improve the evaporating temperature in the evaporator 21 after being connected to heat exchanger 22, by recycling air draft energy
It measures to improve the efficiency of Analysis of Heat Pump Drying System 5.
In a kind of embodiment of the present invention, there are two the settings of fresh wind port 12, and the first fresh wind port is located at drying box switch gate side
At heat pump return air channel 4, and the lower ends return air static pressure layer C are in, the offside that the second fresh wind port is located at the first fresh wind port is symmetrical
At position.
In a kind of embodiment of the present invention, the arid region inner spaces B are wide, the ratio between high, deep 1:1.5(1.5~1.8):1
(1~1.2), arid region B inner widths are 600mm.
In a kind of embodiment of the present invention, air-supply static pressure layer A and return air static pressure layer C is gradual shrinkage static pressure wide at the top and narrow at the bottom
Layer, the taper angle be 4 °~10 °, the air-supply static pressure layer A and the inner spaces return air static pressure layer C it is wide, it is high, depth the ratio between 1:
1.5:2, air-supply static pressure layer A and return air static pressure layer C width are 200mm.
In a kind of embodiment of the present invention, the air-supply sectional area of heat pump air-supply passage 3 and heat pump return air channel 4 is sent with described
The ratio between the air-supply of wind channel 11 sectional area should be 1:2, air supply velocity when ensureing heat pump work in drying device.12 He of fresh wind port
The ratio between the effective area of wind output channel 13 and the air-supply sectional area of air-supply passage 11 should be 1:4, ensure to reduce while exhaust hydrofuge
Thermal loss.
In a kind of embodiment of the present invention, it is highly institute at 40% that mode conversion switch 19, which is arranged in return air static pressure layer C,
It includes wind shield and handle to state mode conversion switch 19, and the wind shield is set in return air static pressure layer, and the handle is set to drying
Crust of the device simultaneously connects wind shield, by rotating handles so that the entire return air static pressure layer of the plate closing that keeps out the wind or unlatching return air static pressure
Layer.The present invention by Setting pattern change-over switch 19 can it is simple and convenient by handle controllable register to return air static pressure layer C's
It opens and closes, to switch electrical heating pattern and heat pump pattern, adjusts in different drying regimes and carried out with corresponding drying mode
Heating, when single electrical heating pattern, mode conversion switch 19 is normally opened, and when single heat pump pattern, mode conversion switch is normally closed
19, when two kinds of heating combine, mode conversion switch 19 is half-open.
In a kind of embodiment of the present invention, the arid region sides B are equipped with the drying for placement material and experiment measurement
Case switch gate 16 is provided with edge slot squash type handle 17, the drying box switch gate 16 on the drying box switch gate 16
When opening test, it can be closed with the test gate 18 for being provided with instrument connection, probe is stretched into drying box by instrument connection and is carried out
Test data.The present invention drying box switch gate 16 on have insulating layer, preferably it is closed, can effectively reduce because leakage and
Caused by thermal loss, and can by the squash type handle 17 on drying box switch gate 16, adjust to drying box switch gate
Extruding degree, if the degree of extruding greatly if sealed thermal insulating degree it is more preferable, drying device of the present invention has sufficient leakproofness and good
Good heat-insulating property.
In a kind of embodiment of the present invention, material tray 10 is the orifice plate that punching rate is 45%, the air-supply plate 9 and return air
Plate 15 is equipped with the adjustable berth for being used for adjusting openings of sizes away from batten 8.The present invention recommend use percent opening for 30~60% hole
Board group at material tray 10, and the aperture position for plate 9 of blowing just above the material tray 10 a little at, orifice plate increases dry
The mobility of dry case interior air-flow tissue so that the drying operating mode of every layer of material tray 10 reaches unanimity, and air opening is directly effective
Dried material, promote the dry face of material to be in direct contact hot wind more abundant, be more uniformly distributed, improve dry efficiency, save
About energy.
In a kind of embodiment of the present invention, heat exchanger 22 is total-heat exchanger, and the total-heat exchanger includes diamond shape heat
Core is exchanged, each layer of air duct of the diamond shape heat exchanging core is separated by heat exchange aluminium-foil paper and carry out heat exchange.Air-supply plate 9
Thickness is 2.5mm, 15 thickness of return air plate be 2.5mm, the adjustable berth away from 8 thickness of batten be 1.5mm, width 5cm,
Adjustable distance of the adjustable berth away from batten 8 should have 2~8cm.
In a kind of embodiment of the present invention, adjustable berth is mounted on air-supply plate 9 and return air plate 15 away from batten 8 by screw 14
On, and the position of adjustable batten 8 is adjusted by turning screw 14, realize the openings of sizes to air-supply plate 9 and return air plate 15
Adjusting.The convenient size for directly adjusting air opening of the present invention, allows air supply velocity be directed under different situations
Property adjusting, it is advantageous to improve the unstable of air-supply operating mode, promote being uniformly distributed for entire arid region air-supply air current composition, reduce
The situation that drying effect is unstable is caused, ensures that the dry materials effect of different material pallet layer reaches unanimity, uniformly.
Operation principle of the present invention:Single Electric heating:It is adjusted by mode conversion switch 19, makes hot wind in drying box
Portion recycles, and is heated to required temperature by electrical heating, internal temperature sensor can measure drying temperature, electrical heating controller
2 control whole systems, reach set temperature, then stop heating, and temperature reduction then continues to heat, and humidity is more than certain value, can be led to
It crosses opening hydrofuge button and opens 13 hydrofuge of wind output channel.
Heat pump and Electric heating:Analysis of Heat Pump Drying System 5 is coupled by linkage with electric heating system and carries out automatic start-stop control
System, i.e. Analysis of Heat Pump Drying System 5 are heated to the temperature value of setting, if set temperature value is not achieved in heat pump, then by electrical heating
Device 6 continues heat temperature raising, after reaching set temperature, Analysis of Heat Pump Drying System 5 because the temperature sensor of electrical heating controller 2 senses
Temperature can be automatically turned off, and then measure the temperature in drying box by the temperature sensor of electrical heating controller 2, if temperature is less than one
Definite value just continues startup Analysis of Heat Pump Drying System 5 and is heated, and to maintain the substantially constant of dry the temperature inside the box, ensures dry imitate
Fruit and drying quality, and whole process automatic intelligent controls, and is not necessarily to manual intervention, reaches Analysis of Heat Pump Drying System and electricity with this
The complementary purpose of heating system, main heat energy are provided by heat pump, save energy, improve efficiency.
Claims (10)
1. a kind of heat pump hot wind cycle intelligent oven drying device, which includes building enclosure(1), be arranged and described go along with sb. to guard him knot
Structure(1)In air-supply passage(11), air-supply static pressure layer(A), arid region(B), return air static pressure layer(C)And the building enclosure
(1)The Analysis of Heat Pump Drying System of connection(5), the connection building enclosure(1)And Analysis of Heat Pump Drying System(5)Heat pump air-supply passage
(3), heat pump return air channel(4), wind output channel(13), be arranged in building enclosure(1)In mode conversion switch(19), setting exist
Building enclosure(1)On electrical heating controller(2), the building enclosure(1)Front and rear sides are respectively arranged with fresh wind port on face
(12), the arid region(B)Positioned at air-supply passage(11)Lower section, the wind output channel(13)With arid region(B)Top
Connection, and with setting in Analysis of Heat Pump Drying System(5)In heat exchanger(22)It is connected, the air-supply static pressure layer(A)It is quiet with return air
Laminate layer(C)It is located at arid region(B)Both sides, blow static pressure layer(A)The arid region and(B)By air-supply plate(9)It separates, does
Dry region(B)With return air static pressure layer(C)By return air plate(15)It separates, the air-supply passage(11)Positioned at building enclosure(1)Top
And it is connected to air-supply static pressure layer(A)With return air static pressure layer(C), the air-supply plate(9)With return air plate(15)It is that adjustable become cuts
Panel, the adjustable variable cross-section mean adjustable air-supply area of section, the Analysis of Heat Pump Drying System(5)Air outlet pass through heat
Pump air-supply passage(3)With air-supply passage(11)Connection, Analysis of Heat Pump Drying System(5)Air inlet pass through heat pump return air channel(4)With
Return air static pressure layer(C)Connection, and and wind output channel(13)Connection, the air-supply passage(11)With air-supply static pressure layer(A)Junction
It is provided with wind turbine(7), the wind turbine(7)Air-out direction is provided with electric heater(6);
The arid region(B)In be provided with multilayer dose pallet from top to bottom(10), the air-supply plate(9)Upper setting it is multigroup
Air opening is correspondingly arranged with the space above each layer material tray respectively, return air plate(15)Multigroup return to the wind of upper setting
It is correspondingly arranged respectively with the space above each layer material tray.
2. heat pump hot wind cycle intelligent oven drying device according to claim 1, which is characterized in that the wind output channel
(13)With arid region(B)The moisture exhausting port at top connects, the building enclosure(1)The fresh wind port of leading flank(12)It is returned close to heat pump
Wind channel(4)It is arranged at port, and is in return air static pressure layer(C)Lower end, building enclosure(1)The fresh wind port of trailing flank(12)With it is preceding
First fresh wind port of side(12)Pairs of linea angulata setting.
3. heat pump hot wind cycle intelligent oven drying device according to claim 1, which is characterized in that the arid region
(B)Inner space is wide, it is the ratio between high, deep be 1:(1.5~1.8):(1~1.2), arid region(B)Inner width be 600~
800mm, the air-supply static pressure layer(A)And return air static pressure layer(C)It is gradual shrinkage static pressure layer wide at the top and narrow at the bottom, taper angle is 4 °~
10 °, the air-supply static pressure layer(A)And return air static pressure layer(C)Inner space is wide, it is the ratio between high, deep be 1:(1.5~2):(2~3),
Air-supply static pressure layer(A)And return air static pressure layer(C)Width is 200~350mm.
4. heat pump hot wind cycle intelligent oven drying device according to claim 1, which is characterized in that the heat pump air-supply
Channel(3)Air-supply sectional area and air-supply passage(11)The ratio between sectional area of blowing is 1:(2~3), heat pump return air channel(4)Give
Wind sectional area and air-supply passage(11)The ratio between sectional area of blowing is 1:(2~3), the fresh wind port(12)Effective area and air-supply
Channel(11)The ratio between sectional area of blowing is 1:(4~6), wind output channel(13)Effective area and air-supply passage(11)Air-supply section
The ratio between product is 1:(4~6).
5. heat pump hot wind cycle intelligent oven drying device according to claim 1, which is characterized in that the pattern conversion
Switch(19)It is arranged in return air static pressure layer(C)At medium-altitude 40~60%, the mode conversion switch(19)Including being set to return air
In static pressure layer(C)Wind shield, set on drying device shell and connect the handle of wind shield, by rotating handles so that wind shield
It is closed entire return air static pressure layer(C)Or open return air static pressure layer(C).
6. the heat pump hot wind cycle intelligent oven drying device according to claim 1,2,3,4 or 5, which is characterized in that institute
State arid region(B)Side is equipped with the drying box switch gate for placement material and experiment measurement(16), the drying box opens
It closes the door(16)On be provided with edge slot squash type handle(17), the drying box switch gate(16)When opening test, by opening
There is the test gate of instrument connection(18)Close arid region(B), probe is stretched by instrument connection and carries out test data in drying box.
7. the heat pump hot wind cycle intelligent oven drying device according to claim 1,2,3,4 or 5, which is characterized in that institute
State material tray(10)The orifice plate for being 30% ~ 60% for punching rate, the air-supply plate(9)With return air plate(15)On be equipped with for adjusting
The adjustable berth of openings of sizes is saved away from batten(8).
8. heat pump hot wind cycle intelligent oven drying device according to claim 7, which is characterized in that the air-supply plate
(9)Thickness is 2~3mm, the return air plate(15)Thickness is 2~3mm, and the adjustable berth is away from batten(8)Thickness is 1~2mm,
Width is 4~6cm, and the adjustable berth is away from batten(8)Adjustable distance be 2~8cm.
9. heat pump hot wind cycle intelligent oven drying device according to claim 7, which is characterized in that the adjustable berth
Away from batten(8)Pass through screw(14)Mounted on air-supply plate(9)And return air plate(15)On, and by turning screw(14)It can to adjust
Adjust batten(8)Position, realize to blow plate(9)And return air plate(15)Openings of sizes adjusting.
10. the heat pump hot wind cycle intelligent oven drying device according to claim 1,2,3,4 or 5, which is characterized in that institute
State heat exchanger(22)To be provided with the total-heat exchanger of diamond shape heat exchanging core, each layer in the diamond shape heat exchanging core
Air duct is separated by heat exchange aluminium-foil paper and carries out heat exchange.
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CN110012932A (en) * | 2019-04-04 | 2019-07-16 | 上海理工大学 | It is a kind of to carry out the fresh-keeping device of fruits and vegetables product using the pre- cold plate of differential pressure controlled atmosphere |
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