CN110243149A - Electrical heating type drying box - Google Patents
Electrical heating type drying box Download PDFInfo
- Publication number
- CN110243149A CN110243149A CN201810189189.1A CN201810189189A CN110243149A CN 110243149 A CN110243149 A CN 110243149A CN 201810189189 A CN201810189189 A CN 201810189189A CN 110243149 A CN110243149 A CN 110243149A
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- Prior art keywords
- drying box
- heating device
- heat
- plate
- heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 194
- 238000001035 drying Methods 0.000 title claims abstract description 189
- 239000000463 material Substances 0.000 claims abstract description 73
- 238000005485 electric heating Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000007791 liquid phase Substances 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 18
- 238000005457 optimization Methods 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012476 oxidizable substance Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000008542 thermal sensitivity Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013070 direct material Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical group O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
Abstract
A kind of electrical heating type drying box of the present invention includes drying box, heating device, bracket, drain valve.Drain valve is mounted in the discharge outlet outside drying box.Heating device includes top plate, bottom plate, side plate, electric heating tube, fixed strip, heat-conducting work medium.Heating device is fixed by the bracket on the cabinet for being mounted on drying box.Electric heating tube provides heat source to liquid heat-conducting work medium, and heat-conducting work medium is transferred heat on the top plate and bottom plate of heating device by " gas-liquid phase transition "；Material progress in bilevel heating device delivery plate is heated simultaneously up and down, the balanced temperature of the top plate of heating device and the quadrangle of bottom plate and periphery ensure that the uniformity of the drying moisture of material, material conductive drying is carried out, the heating simultaneously up and down of heating device improves the thermally conductive heat transfer rate of thermal energy.Electrical heating type drying box flexibly selects vacuum dehydrating at lower temperature or air convection drying, improves dry materials efficiency and optimization dry materials effect.
Description
Technical field
The present invention relates to a kind of drying box, especially a kind of electrical heating type drying box.
Background technique
Main heating method is flowing is passed through in heating plate thermally conductive to drying box and drying shed currently on the market at present
Medium, the heat-conducting medium in heating plate transfer heat to the material in pallet by heating plate, and material, which absorbs heat, makes its water
Divide evaporation gasification, water vapour is taken away by exhaust apparatus.Heat-conducting medium (water, conduction oil) in the heating plate of drying box exists for a long time
When flowing is thermally conductive in heating plate, scale grease will form on the plate body inside heating plate, the internal structure of heating plate is complicated, heating
Scale grease on the plate body of intralamellar part does not allow easy to clean scale removal, and the conduction for having the heating plate of scale grease to will affect thermal energy is changed
Heat.Heat-conducting medium in heating plate is due to flowing to, and the temperature height on the bottom plate of heating plate and the quadrangle of bottom plate and periphery is not
The unbalanced high and low temperature on equilibrium, the bottom plate of heating plate and the quadrangle of bottom plate and periphery causes the uneven drying of material.
The direct material drying of hot wind to exchange heat outside drying box and drying shed, there is the hidden danger for causing material to will receive pollution.
Hot pipe technique is that one kind of the G.M.Grover invention of LosAlamos National Laboratory, the U.S. in 1963 is known as " heat
The heat transfer element of pipe ", it takes full advantage of the quick thermal transport property of heat-conduction principle and refrigeration working fluid, and heat-conducting work medium passes through
The heat of thermal objects is transmitted to outside heat source rapidly by " gas-liquid phase transition ", and the capacity of heat transmission is more than the thermally conductive energy of any known metal
Power.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of electrical heating type drying box.
The technical solution adopted by the present invention are as follows: a kind of electrical heating type drying box includes drying box, heating device, bracket, row
Water valve.
There are exhaust outlet, discharge outlet on the drying box.
The cabinet of the drying box folds by steel plate punched, welding fabrication, and box outer surface has insulating layer heat preservation.
The gasket of the chamber door of the drying box is sealed using silicon rubber bar, the view that chamber door is equipped with for observation
Window.
There is discharge outlet on the bottom surface of the drying box.
The drain valve is mounted in the discharge outlet outside drying box.
The drying box is after material drying, after opening drain valve, moisture that whens dry materials in drying box generates
Drying box is discharged by discharge outlet in the water generated after condensation.
After drying box dried material, it is cleaned and dried the sewage inside case and drying box is discharged by discharge outlet.
Drying box is discharged by exhaust outlet in the moisture generated when dry materials in the drying box.
What is installed on the exhaust outlet is vacuum pump or blower.
One, when what is installed on exhaust outlet is vacuum pump, the state status of the drain valve closing in the discharge outlet of drying box
Under, the air outside drying box can not be entered in drying box by the drain valve of closing.It is generated when dry materials in drying box
Moisture installation exhaust outlet on vacuum pump pump drainage effect under drying box is discharged, it is low that material carries out vacuum in drying box
Temperature is dry.
Vacuum dehydrating at lower temperature aims at dry thermal sensitivity, easily decompose and readily oxidizable substance and design, when work, can make to do
Certain vacuum degree is kept in dry case, the article of especially some complicated components also can be carried out rapid draing.
Two, when what is installed on exhaust outlet is blower, the drain valve in the discharge outlet of drying box is opened or drying box
Discharge outlet on be fitted without drain valve in the case where, the air outside drying box directly passes through discharge outlet and enters in drying box, do
Air outside dry case, which enters drying box, to be played the role of being the effect for carrying moisture.Material in air carrier's drying box is dry
Drying box is discharged under the pump drainage effect of the blower on installation exhaust outlet in the moisture generated when dry together, material in drying box into
Go air convection drying.
Air convection drying aim at it is dry without thermal sensitivity, be not easily decomposed and not readily oxidizable substance and design, when work
It can make to keep certain cross-ventilation in drying box, Quick air also can be carried out to the general material of feed quality requirements after drying
Convective drying.
The length of the heating device is 500-8500mm, and width is 300-1800mm, and thickness is 40-180mm.
The heating device includes top plate, bottom plate, side plate, electric heating tube, fixed strip, heat-conducting work medium.
The heating device is mounted in drying box, and heating device is fixed by the bracket the cabinet for being mounted on drying box
On.
The heating device improves the measuring body effect of dry box body together with holder combination, also reduces drying
The thickness of the making material metal plate of the cabinet of case, will not because of inside drying box high pressure or negative pressure cause the cabinet of drying box
Deformation.
Uppermost heating device is fixed by the bracket on the top surface inside drying box in the drying box, drying box
Interior nethermost heating device is fixed by the bracket on the bottom surface inside drying box；Neighbouring heating device and heating dress
It is supported and is fixed by bracket between setting, multiple heating devices pass sequentially through bracket support and fix.
The bracket is metal strip or angle bar.
The quantity of heating device in the drying box is 5-68.
The bracket is mounted on the side of heating device, the bracket installed on heating device can not influence charging tray into
Out.
The distance between the heating device and adjacent heating device are 18-58mm.
Be not between the heating device and adjacent heating device it is fixed, can be with according to material particles size
The distance between adjustment heating device appropriate and adjacent heating device.
The heating device includes top plate, bottom plate, side plate, electric heating tube, fixed strip, heat-conducting work medium.
The material that is fabricated to of the top plate of the heating device, bottom plate, side plate is metal plate.
The fixed strip is fixed below top plate, and it is integrated that fixed strip is fixedly connected with top plate.
The reinforcing rib that the top plate plays the role of fixed strip makes top plate that measuring body effect can be improved, and also reduces top plate
Making material metal plate thickness, will not because of inside heating device negative pressure or high pressure cause the deformation of top plate.
The fixed strip also acts as the effect of thermally conductive heat exchange while Strengthening Roof, and heat-conducting work medium is conducted in fixation
Thermal energy conduction on item is on top plate.
The cross section of the bottom plate is triangular shape.
It is smooth plate face below the bottom plate；The upper surface of bottom plate middle position is the wedge angle of triangular shape, from bottom plate
The upper surface of the plate face that extends downwardly of wedge angle in middle position be that inclination is acclive.
There are three functions for the bottom plate:
1, bottom plate has the function of thermally conductive heat exchange.
2, tilt it is acclive above convenient for condensed liquid heat-conducting work medium on top plate on acclive towards
It flows down.
3, cross section is that measuring body effect can be improved in the bottom plate of triangular shape, will not because of inside heating device high pressure or
Negative pressure causes the deformation of bottom plate.
The shape of the side plate is L-shape.
The plate face of the side plate lower end is folding into for L shape, and the upper end of side plate is straight.
The side plate of surrounding, which is sequentially connected, to be integrated, and is fixedly connected with group with top plate by the side plate of surrounding below bottom plate
It is integrally formed.
The side plate that folds into of below the bottom plate and side plate lower end is connected to one, below bottom plate and side plate
The junction of lower end is a U-shaped groove.
The lower end of the side plate on four sides and surrounding below bottom plate is connected to one, four sides of top plate and surrounding
The upper end of side plate be connected to one.
The inside of the heating device is sealed air-tight.
The heat-conducting work medium is in the inside of heating device, and heat-conducting work medium is below the bottom plate inside heating device and side
In the U-shaped groove of the junction of plate.
The heat-conducting work medium is water ether or other liquid.
The electric heating tube is the heating tube pipe for having fin, has the electric heating tube of fin to increase the heat-transfer surface of thermal energy
Product, improves the thermally conductive heat transfer rate of thermal energy.
The electric heating tube is mounted below the bottom plate inside heating device and the U-shaped groove of the junction of side plate
It is interior.
The power supply line of the electric heating tube extends heating device, power supply line and heating device from the side plate of heating device
The junction of side plate be sealed air-tight.
The power supply line of the electric heating tube of heating device extends drying box from the cabinet of drying box, power supply line and drying box
The junction of cabinet is sealed air-tight.
The heat-conducting work medium carries out prolonged thermally conductive heating in the inside of heating device, and the inside of heating device will not
Generate scale grease.
The heating device is a gravity assisted heat pipe.
The bottom plate and top plate of the heating device are the condensation segments of heat-conducting work medium, and electric heating tube is the evaporation of heat-conducting work medium
Section.
One, after electric heating tube powers on, electric heating tube provides heat source to liquid heat-conducting work medium, and liquid is thermally conductive
Working medium is vaporizated into gasiform heat-conducting work medium after absorbing thermal energy, and gasiform heat-conducting work medium is filled in the inside of heating device.
Two, on bottom plate and top plate, gasiform heat-conducting work medium carries the thermal energy conduction that gasiform heat-conducting work medium carries
Thermal energy thermally conductive heating is carried out by bottom plate and top plate outward, gasiform heat-conducting work medium release be condensed into after thermal energy it is liquid
Heat-conducting work medium.
Three, condensed liquid heat-conducting work medium is fallen on the upper surface of bottom plate under gravity on top plate, liquid
The heat-conducting work medium of body shape under gravity along bottom plate it is acclive above flow to junction below side plate and bottom plate
U-shaped groove in electric heating tube around, liquid heat-conducting work medium is vaporized by the energy heats on electric heating tube again
For gasiform heat-conducting work medium.
Four, heat-conducting work medium is transferred heat on the top plate and bottom plate of heating device by " gas-liquid phase transition "；Heat-conducting work medium
Thermally conductive heat exchange is looped back and forth like this inside heating device, the bottom plate of heating device above and adjacent following heating device
Thermal energy on top plate is heated simultaneously up and down by the material progress in heat transfer and heat radiation delivery plate, and it is dry to carry out material conduction
Dry, heating simultaneously improves thermally conductive heat transfer rate up and down, accelerates the rate of drying of material.
The heat-conducting work medium transfers heat to heating device by " gas-liquid phase transition ", and gasiform heat-conducting work medium is full of
In the inside of heating device, the temperature on the top plate of heating device and the quadrangle of bottom plate and periphery is balanced, the top plate of heating device
It ensure that the uniformity of the drying moisture of material with the quadrangle of bottom plate and the balanced temperature on periphery.
The charging tray being inserted between two heating devices is the charging tray of metal plate production, and the surrounding of charging tray is that have ventilation mouth；It leads
The charging tray of the high metal plate production of hot coefficient is conducted on material convenient for thermal energy by charging tray.
The height of the charging tray is 16-56mm.
In the charging tray after the good wet stock to be dried of laying, after being placed on the space between two heating devices, close
After the chamber door of drying box, electrical heating type drying box can be carried out dry materials.
Electrical heating type drying box selects vacuum dehydrating at lower temperature or air convection drying according to the requirement of drying materials quality；It is dry
Drain valve is installed or is not installed in selection in the discharge outlet of dry case.
One, drain valve is installed in the discharge outlet of drying box, by the closing of drain valve, electrical heating type drying box selects vacuum low
Warm drying process carries out dry materials.
Two, drain valve is not installed in the discharge outlet of drying box, the air outside drying box is entered in drying box by discharge outlet,
Electrical heating type drying box selects air convection drying technique to carry out dry materials.
The thermal energy that electric heating tube generates transfers heat to the top plate of heating device by " gas-liquid phase transition " of heat-conducting work medium
On bottom plate；Thermal energy is heated simultaneously up and down by the material progress in bilevel heating device simultaneously delivery plate, carries out object
Expect conductive drying, the ventilation mouth on disk periphery that the moisture generated when dry materials in charging tray passes through charging tray discharges.
The heating device gives the heating of material simultaneously up and down, increases the thermally conductive heat transfer rate of thermal energy, accelerates object
The conductive drying speed of material, the availability for improving the thermal energy in conductive drying are high.
The energy consumption index of conductive drying is 2800-4000kj/kg, and convective drying is 4000-7500kj/kg.Convection current
Dry thermal energy availability generally only has 20-50%, and the thermal energy availability of electrical heating type drying box can achieve
60-80%, this is because the conductive drying of electrical heating type drying box does not need Hot-blast Heating material, by being vented lost thermal losses
Small, thermal energy is by conducting come heated material, so conductive drying will not contaminated material.
The present invention has the advantages that compared with existing drying box and drying shed: a kind of electricity of electrical heating type drying box
Heat is transmitted to rapidly top plate and the bottom of heating device by heat-conducting work medium by the thermal energy that heating tube generates by " gas-liquid phase transition "
On plate；Material progress in bilevel heating device while delivery plate is heated simultaneously up and down, is carried out material conductive drying, is added
The heating simultaneously up and down of thermal improves the thermally conductive heat transfer rate of thermal energy, the top plate of heating device and the quadrangle of bottom plate and periphery
Balanced temperature ensure that material drying moisture the uniformity, accelerate the rate of drying of material, the heat in conductive drying
The availability of energy is high.Heat-conducting work medium will not generate scale grease inside heating device.Electrical heating type drying box is according to object
The requirement of material drying quality, it is flexible to select vacuum dehydrating at lower temperature or air convection drying, improve dry materials efficiency and excellent
Compound material drying effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electrical heating type drying box of the invention；
Fig. 2 is the cross-sectional view of the heating device of electrical heating type drying box of the invention；
Fig. 3 is the structural schematic diagram of the heating device of electrical heating type drying box of the invention.
In figure: 1, drying box, 2, heating device, 3, bracket, 4, drain valve, 5, exhaust outlet, 6, discharge outlet, 7, cabinet, 8,
Electric heating tube, 9, heat-conducting work medium, 10, in the following, 11, above, 12, bottom plate, 13, fixed strip, 14, top plate, 15, side plate.
Specific embodiment
Following further describes the present invention with reference to the drawings.
Embodiment 1:
A kind of electrical heating type drying box as shown in Fig.1 and Fig.2 includes drying box 1, heating device 2, bracket 3, drain valve 4.
There are exhaust outlet 5, discharge outlet 6 on the drying box 1.
The cabinet 7 of the drying box 1 folds by steel plate punched, welding fabrication, and there is insulating layer heat preservation in 7 outer surface of cabinet.
The gasket of the chamber door of the drying box 1 is sealed using silicon rubber bar, the view that chamber door is equipped with for observation
Window.
There is discharge outlet 6 on the bottom surface of the drying box 1.
The drain valve 4 is mounted in the discharge outlet 6 of 1 outside of drying box.
The drying box 1 is after material drying, and after opening drain valve 4, whens dry materials in drying box 1 generates wet
Drying box 1 is discharged by discharge outlet 6 in the water generated after air cooling is solidifying.
After 1 dried material of drying box, it is cleaned and dried the sewage inside case 1 and drying box 1 is discharged by discharge outlet 6.
Drying box 1 is discharged by exhaust outlet 5 in the moisture generated when dry materials in the drying box 1.
What is installed on the exhaust outlet 5 is vacuum pump.
Under the state status that drain valve 4 in the discharge outlet 6 of the drying box 1 is closed, the dry materials in drying box 1
When the moisture that generates be discharged drying box 1 under the pump drainage effect of the vacuum pump on installation exhaust outlet 5, material in drying box 1 into
Go vacuum dehydrating at lower temperature.
Such as Fig. 1, Fig. 2, the length of heating device 2 shown in Fig. 3 is 1200mm, and width is 800mm, and thickness is 60mm.
The heating device 2 includes top plate 14, bottom plate 12, side plate 15, electric heating tube 8, fixed strip 13, heat-conducting work medium 9.
The heating device 2 is mounted in drying box 1, and heating device 2 is fixedly mounted on drying box 1 by bracket 3
On cabinet 7.
The heating device 2 and bracket 3 together improves the measuring body effect of 1 cabinet 7 of drying box, also reduces drying box
The thickness of the making material metal plate of 1 cabinet 7, will not because of inside drying box 1 high pressure or negative pressure cause the case of drying box 1
The deformation of body 7.
Uppermost heating device 2 is fixed on the top surface inside drying box 1 by bracket 3 in the drying box 1, is done
Nethermost heating device 2 is fixed on the bottom surface inside drying box 1 by bracket 3 in dry case 1；Neighbouring heating device
It is supported and is fixed by bracket 3 between 2 and heating device 2, multiple heating devices 2 pass sequentially through the support of bracket 3 and fix.
The bracket 3 is metal strip.
The quantity of heating device 2 in the drying box 1 is 8.
Bracket 3 as shown in Fig.1 and Fig.2 is mounted on the side of heating device 2, and the bracket 3 installed on heating device 2 cannot
Enough influence the disengaging of charging tray.
The distance between described heating device 2 and adjacent heating device 2 are 48mm.
Such as Fig. 2, heating device 2 shown in Fig. 3 includes top plate 14, bottom plate 12, side plate 15, electric heating tube 8, fixed strip 13,
Heat-conducting work medium 9.
The material that is fabricated to of the top plate 14 of the heating device 2, bottom plate 12, side plate 15 is metal plate.
The fixed strip 13 is fixed below top plate 14, and it is integrated that fixed strip 13 is fixedly connected with top plate 14.
The reinforcing rib that the top plate 14 plays the role of fixed strip 13 makes top plate 14 that measuring body effect can be improved, and also subtracts
The thickness of the metal plate of the making material of few top plate 14, will not cause the deformation of top plate 14 because of the negative pressure inside heating device 2.
The fixed strip 13 also acts as the effect of thermally conductive heat exchange while Strengthening Roof 14, and the conduction of heat-conducting work medium 9 exists
Thermal energy conduction on fixed strip 13 is on top plate 14.
The cross section of the bottom plate 12 is triangular shape；10 be smooth plate face below bottom plate 12.The upper surface of bottom plate 12
11 middle positions are the wedge angles of triangular shape, and the plate face extended downwardly from the wedge angle in 11 middle position of the upper surface of bottom plate 12 is that inclination has
The gradient.
There are three effects for the bottom plate 12: 1, the effect of thermally conductive heat exchange.2, acclive above 11 are tilted and is convenient for top plate
Condensed liquid heat-conducting work medium 9 is above acclive 11 to flowing down on 14.3, cross section is the bottom plate 12 of triangular shape
Measuring body effect can be improved, will not because of inside heating device 2 high pressure or negative pressure cause the deformation of bottom plate 12.
The shape of the side plate 15 is L-shape.
The plate face of 15 lower end of side plate is folding into for L shape, and the upper end of side plate 15 is straight.
The side plate 15 of surrounding, which is sequentially connected, to be integrated, and 10 pass through the side plate 15 and top plate 14 of surrounding below bottom plate 12
It is composed of a fixed connection and is integrated.
Below the bottom plate 12 10 and the side plate 15 that folds into of 15 lower end of side plate be connected to one, bottom plate 12
Below 10 and the junction of 15 lower end of side plate be a U-shaped groove.
The lower end of the side plate 15 of 10 four sides and surrounding is connected to one below bottom plate 12, and four of top plate 14
The upper end of the side plate 15 of side and surrounding is connected to one.
The inside of the heating device 2 is sealed air-tight.
The heat-conducting work medium 9 is in the inside of heating device 2, under bottom plate 12 of the heat-conducting work medium 9 inside heating device 2
In the U-shaped groove of face 10 and the junction of side plate 15.
The heat-conducting work medium 9 is water.
The electric heating tube 8 is the heating tube pipe for having fin, has the electric heating tube 8 of fin to increase the heat-transfer surface of thermal energy
Product, improves the thermally conductive heat transfer rate of thermal energy.
The electric heating tube 8 is mounted below the bottom plate 12 inside heating device 2 U of the junction of 10 and side plate 15
In connected in star.
The power supply line of electric heating tube 8 extends heating device 2, power supply line and heating device 2 from the side plate 15 of heating device 2
The junction of side plate 15 be sealed air-tight.
The power supply line of the electric heating tube 8 of the heating device 2 extends drying box, power supply line from the cabinet 7 of drying box 1
Junction with the cabinet 7 of drying box 1 is sealed air-tight.
The heat-conducting work medium 9 carries out prolonged thermally conductive heating, the inside of heating device 2 in the inside of heating device 2
Scale grease will not be generated.
The heating device 2 is a gravity assisted heat pipe.
The bottom plate 12 and top plate 14 of the heating device 2 are the condensation segments of heat-conducting work medium 9, and electric heating tube 8 is thermally conductive work
The evaporator section of matter 9.
One, after electric heating tube 8 powers on, electric heating tube 8 generate thermal energy to the electric heating tube 8 in U-shaped groove around
Liquid heat-conducting work medium 9 provides heat source, and liquid heat-conducting work medium 9 is vaporizated into gasiform heat-conducting work medium 9 after absorbing thermal energy,
Gasiform heat-conducting work medium 9 is filled in the inside of heating device 2.
Two, the thermal energy conduction that gasiform heat-conducting work medium 9 carries is on bottom plate 12 and top plate 14, gasiform heat-conducting work medium
9 thermal energy carried carry out thermally conductive heating by bottom plate 12 and top plate 14 outward, and gasiform heat-conducting work medium 9 releases cold after thermal energy
It coagulates for liquid heat-conducting work medium 9.
Three, condensed liquid heat-conducting work medium 9 is fallen under gravity in the upper surface of bottom plate 12 on top plate 14
On 11, liquid heat-conducting work medium 9 under gravity along bottom plate 12 it is acclive above 11 flow to side plate 15 and bottom
Around electric heating tube 8 below plate 12 in the U-shaped groove of 10 junctions, liquid heat-conducting work medium 9 is again by electric heating
Energy heats on pipe 8 and be vaporizated into gasiform heat-conducting work medium 9.
Four, heat-conducting work medium 9 is transferred heat on the top plate 14 and bottom plate 12 of heating device 2 by " gas-liquid phase transition "；It leads
Hot working fluid 9 loops back and forth like this thermally conductive heat exchange inside heating device 2, the bottom plate 12 of heating device 2 above and it is adjacent below
Heating device 2 top plate 14 on thermal energy delivery plate in material carry out up and down while heating, carry out material conductive drying.
Five, gasiform heat-conducting work medium 9 is filled in the inside of heating device 2, the top plate 14 of heating device 2 and bottom plate 12
The temperature on quadrangle and periphery is balanced, the balanced temperature guarantee of the top plate 14 of heating device 2 and the quadrangle of bottom plate 12 and periphery
The uniformity of the drying moisture of material.
The heating of about 2 heating device simultaneously improves the thermally conductive heat transfer rate of thermal energy, accelerates the dry of material
Dry speed.
The charging tray being inserted between two heating devices 2 is the charging tray of metal plate production, and the surrounding of charging tray is that have ventilation mouth, material
The ventilation mouth on disk periphery that the moisture generated when dry materials in disk passes through charging tray discharges；The high metal plate system of thermal coefficient
The charging tray of work is conducted on material convenient for thermal energy by charging tray.
The height of the charging tray is 45mm.
In the charging tray after the good wet stock to be dried of laying, after being placed on the space between two heating devices 2, close
After the chamber door of drying box 1, electrical heating type drying box can be carried out dry materials.
Electrical heating type drying box as shown in Figure 1 selects vacuum dehydrating at lower temperature according to the requirement of drying materials quality.
Drain valve 4 is installed in the discharge outlet 6 of the drying box 1.
The thermal energy that electric heating tube 8 generates transfers heat to the top of heating device 2 by " gas-liquid phase transition " of heat-conducting work medium 9
On plate 14 and bottom plate 12；Thermal energy is heated simultaneously up and down by the material in 2 delivery plate of heating device, about 2 heating device
Heating simultaneously improves the thermally conductive heat transfer rate of thermal energy, accelerates the rate of drying of material, and the conduction of thermal energy exchanges heat effective
Utilization rate is high.
Embodiment 2:
A kind of electrical heating type drying box of the invention includes drying box 1, heating device 2, bracket 3.
A kind of combination knot for the electrical heating type drying box that electrical heating type drying box and embodiment 1 of the present embodiment 2 are introduced
The something in common of structure, which just no longer repeats, to be described.
A kind of electrical heating type drying box of the present embodiment 2 selects air convection drying technique to carry out dry materials.
There are exhaust outlet 5, discharge outlet 6 on the drying box 1.
Installation is blower on the exhaust outlet 5.
Drying box 1 is discharged by exhaust outlet 5 in the moisture generated when dry materials in the drying box 1.
Drain valve is fitted without in the discharge outlet 6 of the drying box 1.
Air outside the drying box 1 directly passes through discharge outlet 6 and enters in drying box 1, and the air outside drying box 1 enters
Drying box 1 is played the role of being the effect for carrying moisture.
Air carries the pump drainage of blower of the moisture generated when the dry materials in drying box 1 on installation exhaust outlet 5
Drying box 1 is discharged under effect together, material carries out air convection drying in drying box 1.
The water generated after the moisture condensation generated during dry materials in the drying box 1 passes through 6 row of discharge outlet
Drying box 1 out.
Above embodiments are merely used to help understand production method and its core concept of the invention, and specific implementation is not limited to
In above-mentioned specific embodiment, those skilled in the art from the above idea, without creative labor, is made
Variation, all fall within protection scope of the present invention.
Claims (8)
1. a kind of electrical heating type drying box, including drying box (1), heating device (2), bracket (3), drain valve (4)；Drying box
(1) have on exhaust outlet (5), discharge outlet (6)；It is characterized by: heating device (2) is mounted in drying box (1), heating device
(2) it is fixedly mounted on the cabinet (7) of drying box (1) by bracket (3)；
Drain valve (4) are installed in the discharge outlet (6) of the drying box (1), or drain valve is not installed；
What is installed on the exhaust outlet (5) of the drying box (1) is vacuum pump or blower；
The heating device (2) includes top plate (14), bottom plate (12), side plate (15), electric heating tube (8), and fixed strip (13) is led
Hot working fluid (9)；
The fixed strip (13) is fixed below top plate (14)；(10) are smooth plate faces below bottom plate (12), the bottom of from
The plate face that the wedge angle in the upper surface of plate (12) (11) middle position extends downwardly is that inclination is acclive；
(10) are composed of a fixed connection and are integrated by the side plate (15) and top plate (14) of surrounding below the bottom plate (12)；Add
It is sealed air-tight that thermal (2) is internal；Inside of the heat-conducting work medium (9) in heating device (2)；Electric heating tube (8) is mounted on
Below the internal bottom plate (12) of heating device (2) in the U-shaped groove of (10) and the junction of side plate (15)；
The heating device (2) is a gravity assisted heat pipe；The bottom plate (12) and top plate (14) of heating device (2) are heat-conducting work mediums
(9) condensation segment, electric heating tube (8) are the evaporator sections of heat-conducting work medium (9)；
The thermal energy that electric heating tube (8) generates is delivered in the top plate of heating device (2) by " gas-liquid phase transition " of heat-conducting work medium (9)
(14) and on bottom plate (12)；Gasiform heat-conducting work medium (9) is filled in the inside of heating device (2), the top plate of heating device (2)
(14) and the balanced temperature on the quadrangle of bottom plate (12) and periphery ensure that material drying moisture the uniformity；Thermal energy is by adding
Material in thermal (2) delivery plate carries out heating up and down simultaneously；
Electrical heating type drying box selects vacuum dehydrating at lower temperature or air convection drying according to the requirement of drying materials quality.
2. a kind of electrical heating type drying box according to claim 1, it is characterised in that: the length of heating device (2) is
500-8500mm, width are 300-1800mm, and thickness is 40-180mm.
3. a kind of electrical heating type drying box according to claim 1, it is characterised in that: uppermost in drying box (1) to add
Thermal (2) is fixed on the internal top surface of drying box (1) by bracket (3), nethermost heating device in drying box (1)
(2) it is fixed on the internal bottom surface of drying box (1) by bracket (3)；Neighbouring heating device (2) and heating device (2)
Between by bracket (3) support fix.
4. a kind of electrical heating type drying box according to claim 1, it is characterised in that: bracket (3) is metal strip, either
Angle bar.
5. a kind of electrical heating type drying box according to claim 1, it is characterised in that: the heating device in drying box (1)
(2) quantity is 5-68.
6. a kind of electrical heating type drying box according to claim 1, it is characterised in that: bracket (3) is mounted on heating device
(2) on side, the bracket (3) installed on heating device (2) can not influence the disengaging of charging tray.
7. a kind of electrical heating type drying box according to claim 1, it is characterised in that: heating device (2) and adjacent heating
The distance between device (2) is 18-58mm.
8. a kind of electrical heating type drying box according to claim 1, it is characterised in that: heat-conducting work medium (9) is water, either
Ether or other liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189189.1A CN110243149A (en) | 2018-03-08 | 2018-03-08 | Electrical heating type drying box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189189.1A CN110243149A (en) | 2018-03-08 | 2018-03-08 | Electrical heating type drying box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243149A true CN110243149A (en) | 2019-09-17 |
Family
ID=67882568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189189.1A Withdrawn CN110243149A (en) | 2018-03-08 | 2018-03-08 | Electrical heating type drying box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110243149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174542A (en) * | 2020-01-14 | 2020-05-19 | 上海宜桐实业发展有限公司 | Dehumidification device is used in building board processing |
| CN111811225A (en) * | 2020-07-09 | 2020-10-23 | 王鹏 | Energy-conserving efficient particulate matter desiccator |
-
2018
- 2018-03-08 CN CN201810189189.1A patent/CN110243149A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174542A (en) * | 2020-01-14 | 2020-05-19 | 上海宜桐实业发展有限公司 | Dehumidification device is used in building board processing |
| CN111811225A (en) * | 2020-07-09 | 2020-10-23 | 王鹏 | Energy-conserving efficient particulate matter desiccator |
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