CN209295616U

CN209295616U - Continuity belt vacuum dryer

Info

Publication number: CN209295616U
Application number: CN201822107147.7U
Authority: CN
Inventors: 程长青; 代爱妮
Original assignee: Mengzhou Yuanhong Drying Equipment Research and Development Co Ltd
Current assignee: Mengzhou Yuanhong Drying Equipment Research and Development Co Ltd
Priority date: 2018-12-16
Filing date: 2018-12-16
Publication date: 2019-08-23
Anticipated expiration: 2028-12-16

Abstract

A kind of continuity belt vacuum dryer of the utility model includes dryness storehouse, heating device, charging/discharging device, drying conveyor, vacuum pump set.Drying conveyor is mounted in dryness storehouse；Vacuum pump set is connected on the exhaust outlet of dryness storehouse by the pipeline of peripheral hardware.The pressure difference of air pressure of the adjacent storehouse between the inside in storehouse in charging/discharging device is small, and the gate valve being mounted in charging/discharging device can realize high airtight sealing；Flanged joint on charging/discharging device can be played into sealing function on the discharge port and discharge port of dryness storehouse, the charging/discharging device held in inlet port and outlet port of the pallet of material by being mounted on dryness storehouse comes in that dryness storehouse is discharged, and the air for reducing 60% -85% enters dryness storehouse.The heating device installed up and down to the material held in conveyer belt top tray while carrying out thermally conductive heating up and down by heat radiation and heat transfer, improves the conduction of velocity of thermal energy under vacuum conditions, has speeded dry materials speed.

Description

Continuity belt vacuum dryer

Technical field

The utility model relates to a kind of belt drying machine, specifically a kind of continuity belt vacuum dryer.

Background technique

The materials such as Chinese medicine currently on the market, flower (flower such as chrysanthemum, rose), fruit and vegetable tablet, agricultural and sideline product are in order to protect Shape after holding dry materials is needed to be contained in material in pallet and be dried；The support of the pallet of material is held currently on the market Tray dryer is dried using drying box or drying shed, pallet be all it is stationary, hold in the pallet of material Material is merely able to many batches of drying, can not realize that continuity is dried.

Everybody requirement to drying materials quality is high, mostly uses vacuum drying process to carry out material drying now, due to true The pallet for holding material conveyed when blanking bar formula drying machine drying needs in the dryness storehouse under closing and having negative-pressure vacuum state Disengaging passes in and out sealing air-tightness when having the dryness storehouse under negative-pressure vacuum state, air leakage and conveying to the pallet for holding material The requirement of air pressure is higher and higher.It is true that the material held in pallet can not be carried out continuity by belt drying machine currently on the market Sky drying.

Summary of the invention

The utility model solves the problems, such as it is to overcome deficiency existing for existing belt drying machine, provides a kind of continuity belt Vacuum dryer.

In order to reach above-mentioned purpose, what the utility model was realized by following technical proposals: a kind of continuity belt is true Empty dryer includes dryness storehouse, heating device, charging/discharging device, drying conveyor, vacuum pump set.

The warehouse of the dryness storehouse is metal plate.The cross section of dryness storehouse is rectangular or circular；It is circular Dryness storehouse is conducive to improve the resistance to compression degree of vacuum.

The both ends of the dryness storehouse are inlet port and outlet port.

There is exhaust outlet on the dryness storehouse.

The vacuum pump set is connected on the exhaust outlet of dryness storehouse by the pipeline of peripheral hardware.

The vacuum pump set is to be fixed on dryness storehouse, or be fixed on other suitable positions, and vacuum pump set is logical The pipeline for crossing peripheral hardware is connected on exhaust outlet and can vacuumize.

The vacuum pump set includes moisture dust-extraction unit, condenser, vacuum pump.

It include dust, condensable gas and the gas that can not be coagulated in the moisture generated in dry materials engineering；Moisture is successively By the dedusting of moisture dust-extraction unit, the moisture after dedusting is condensed by condenser, and the condensable gas in moisture is condensed into water, The gas that can not be coagulated is gone out by vacuum pump pump drainage.

If the dust not dedusting in moisture directly condenses, the dust in moisture can be adhered on condenser, be adhered to cold On condenser dust will cause condenser can not thermally conductive condensation work；What some materials did not generated dust in the drying process can be with Moisture dust-extraction unit is not installed.

The thermal energy that the thermal energy released in moisture condensation process with UTILIZATION OF VESIDUAL HEAT IN, can condense generation can be carried out to material Preheating heating condenses the thermal energy of generation or can also do other thermal energy purposes uses.Condenser improves the effective of thermal energy Utilization rate has achieved the effect that energy-saving and emission-reduction.

The height of the rectangular dryness storehouse of the dryness storehouse is 800-1800mm, and width is 800-1500mm, and length is 6800—18800mm。

The round dryness storehouse diameter of the dryness storehouse is 900-2200mm, and length is 6800-18800mm.

The charging/discharging device is fixed in the inlet port and outlet port of dryness storehouse.

The drying conveyor is wired belt conveyer or belt conveyor.

Conveyer belt on the drying conveyor is circulation rotating, and the upper surface of drying conveyor is used for conveyer belt in carrying Pallet.Motor on drying conveyor can be used to work, and the conveyer belt of mesh belt or belt is dried in the case where the driving of motor drives The conveyer belt of mesh belt or belt on dry conveyer carries out circulation forward travel rotation.The pallet for holding material is conveyed in drying Advance forward under the drive of the conveyer belt of mesh belt or belt above machine；For ease of description, by the conveying on drying conveyor Band, which is divided into, is set as conveyer belt above and following conveyer belt, and the conveyer belt of the upper surface of drying conveyor is that conveyer belt, drying are defeated above Sending the conveyer belt below machine is following conveyer belt.Conveyer belt is in the upper surface of drying conveyor above, below conveyer belt drying Below conveyer, the ceaselessly circulation rotating of the conveyer belt on drying conveyor.

Selected pallet is the pallet with air hole.

The production material of pallet is metal or bamboo product；The making material of pallet selects to use as needed.

The length of the drying conveyor is 6500-18000mm, and width is 500-1200mm.

The drying conveyor is mounted in dryness storehouse.The pallet for filling material enters drying in the feed inlet of dryness storehouse After in storehouse, pallet is on the upper surface of drying conveyor conveyer belt, and pallet is under the conveying of the conveyer belt of drying conveyor, in pallet By heated drying in the thermally conductive heating of heating device of the material held in dryness storehouse, the pallet after dry materials is in dryness storehouse Dryness storehouse is discharged in discharge port.

The heating device is infrared heater microwave applicator or heating plate.

The heating device is fixed on the dryness storehouse warehouse of the top of the upper surface of drying conveyor conveyer belt；Heating Plate, infrared heater and microwave applicator are fixed on the warehouse of the dryness storehouse of the top of the upper surface of drying conveyor conveyer belt On；Heating device the upper surface of conveyer belt on drying conveyor, the upper surface of drying conveyor conveyer belt and top are installed red The distance between outside line heater and microwave applicator are 80-1800mm, the upper surface of drying conveyor conveyer belt and top installation The distance between heating plate be 50-80mm；Heating device is by heat radiation and heat transfer to the object in the pallet on conveyer belt Material carries out thermally conductive heating.

The heating device is either fixed on the upper surface of the upper surface of drying conveyor conveyer belt and following；Heating device It is fixed on the dryness storehouse warehouse of the upper surface of the upper surface of drying conveyor conveyer belt, heating device is fixed on the upper of drying conveyor On the warehouse of dryness storehouse two sides below the conveyer belt of face.

Being mounted on the heating device below the upper surface of drying conveyor conveyer belt is heating plate or infrared heating Device；Heating plate or infrared heater are mounted in the space between the upper surface of drying conveyor conveyer belt and following conveyer belt, Heating plate or infrared heater are fixed on the warehouse of dryness storehouse two sides, under the conveyer belt of the upper surface of drying conveyor conveyer belt Face is to paste on hot plate, the heat that heating plate generates by heat transfer and heat radiation to material in the pallet on conveyer belt above into The thermally conductive heating of row.Either above below the conveyer belt of conveyer belt on infrared heater, the upper surface of drying conveyor is defeated Sending the distance between band and infrared heater is 80-180mm.The heat that infrared heater generates is by heat radiation to above Material is heated in pallet on conveyer belt.Heating plate, infrared heater and microwave applicator are fixed on drying conveyor The upper surface of on warehouse above the dryness storehouse of the top of conveyer belt.

The upper and lower heating device for being mounted on the upper surface of drying conveyor conveyer belt passes through heat radiation and heat transfer to conveying Thermally conductive heating simultaneously up and down is carried out with the material in top tray, the conduction of velocity of thermal energy under vacuum conditions is improved, speeds Dry materials speed.

By the boiler supplying of peripheral hardware, heat-conducting medium is heated by the boiler of peripheral hardware to be added heat-conducting medium in the heating plate After heat, heat conduction and heat radiation is carried out by the inside that pipeline enters heating plate, the heat-conducting medium after heat dissipation flows back into pot by pipeline again In furnace again be heated heating, the heated heating that heat-conducting medium recycles always, heat conduction and heat radiation, heat-conducting medium carry thermal energy it is effective Use height.

The heat-conducting medium is water or conduction oil.

The pipeline of conveying heat-conducting medium of peripheral hardware and the junction of dryness storehouse warehouse are that fixing seal is air-locked, carry heat The heat-conducting medium of energy passes through pipeline circulation conveying between heating plate and boiler.

The charging/discharging device includes shell, conveyer, gate valve, flange.

The shell of the shell is metal plate, and there is inlet and outlet at the both ends of shell.

The flange is mounted on the import or export of shell.

The height of the shell is 300-800mm, and width is 800-1500mm, and length is 1200-5800mm.Outside Shell can be required according to the equipment processing etc. of the shape size and belt drying machine of material, design the height of various sizes of shell Degree, length and width.

The conveyer is wired belt conveyer or belt conveyor.

Drying conveyor in the application with conveyer be as equipment, it is defeated selected by dryness storehouse and charging/discharging device Send the conveyer that machine is suitable according to size selection.For the ease of explanation is expressly recited, the conveyer in dryness storehouse is drying Conveyer, the conveyer of charging/discharging device are conveyers.

The conveyer is 2-6.

Motor on the conveyer of the charging/discharging device can be used to work, mesh belt or belt in the driving band of motor Under dynamic, the conveyer belt of mesh belt or belt on conveyer carries out circulation forward travel.

Hold material pallet can mesh belt on a conveyor or belt conveyer belt drive under advance forward, convey Motor on machine stops working, and pallet is just stationary on the conveyer belt of the mesh belt of conveyer or belt.

The gate valve is also slide valve, is a kind of widely used valve.Its closure principle be gate sealing surface with The sealing surface height of the sealing device of lock frame installation is bright and clean, smooth consistent, is bonded to each other, medium can be prevented to flow through, and rely on The mould shape of the backform of sealing device, spring or flashboard, Lai Zengqiang sealing effect.

Gate valve selected by the application is a common matured product in the market, according to the needs of the actual size of shell The size dimension of gate valve is carried out appropriately designed.

The gate valve mainly plays cutting air mobilization in the shell.

The gate valve includes lock frame, flashboard, driving device, valve shaft, sealing device.

The lock frame is the lock frame that the metal framework of four U-shaped shapes in cross section is fabricated to.By upper frame, lower frame, Left frame and correct frame form a lock frame.

The sealing device is mounted on as the technological means of frame with the prior art is, sealing device is according to sealing It is required that the suitable sealing device of selection, sealing device are mounted on the inner face of the frame of lock frame interior.

The lock frame of the gate valve is fixed on the shell of shell, and gate valve and adjacent the distance between gate valve are 800- 1500mm.The length of conveyer is 780-1450mm between gate valve and adjacent gate valve, and the width of conveyer is according to the ruler of shell Very little design determines.

The shell of the upper frame of gate valve, lower frame, left frame, four frames of correct frame and shell closely welds together, It is sealed air-tight between the surrounding lock frame of gate valve and the shell of shell.

The gate valve is 3-6, and two adjacent gate valves form a storehouse with the shell of shell in the shell, adjacent Space of two gate valves between shell be a storehouse.3 gate valves can form 2 storehouses, and 4 gate valves can form 3 storehouses, 5 gate valves can form 4 storehouses, and 6 gate valves can form 5 storehouses.

The valve shaft of the gate valve extends the shell of shell, and the junction of the shell of valve shaft and shell is filled by dynamic sealing It sets and carries out dynamic sealing, in valve shaft rotary course, the junction of the shell of valve shaft and shell is sealed air-tight.

The driving device of the gate valve is fixed on outside the shell of shell, and the driving device of gate valve is connected on valve shaft.

The driving device is motor or hydraulic pump.

The driving device drives valve shaft to drive the lifting of flashboard, and the lower end of flashboard is dropped into the lower frame of gate valve Afterwards, sealing of the surrounding of flashboard by the sealing device in the frame of lock frame surrounding, two adjacent gate valves are in the shell and outside The shell of shell forms a storehouse, and the flashboard after sealing has ensured that the gas in the shell of flashboard front and back can not be leaked out by flashboard It goes.

The driving device drives the lifting of flashboard by driving valve shaft, and the lower end of flashboard is raised to the upper frame of gate valve After interior, the valve buckle in shell is perforation.Upper lower portion flashboard, flashboard can under cover will be hidden in frame, upper ledge The height of frame is greater than the height of flashboard.

The flashboard height is 60-118mm, and width is 450-1580mm；The height of upper frame is 80-138mm.

The height of the bore of the valve buckle composition is 30-80mm, and width is 350-1280mm.Mating continuity band The height for the pallet that formula vacuum dryer uses is 28-78mm, and width is 300-1200mm.

The bore of the described valve buckle composition can also be according to the shape size of material, and the equipment of shell and belt drying machine adds The requirement such as work designs the height and width of the bore of the valve buckle composition of various sizes of gate valve.

The conveyer is mounted on before gate valve, above the conveyer belt on conveyer and the upper surface of the lower frame of gate valve Be it is equally horizontal, hold and pass through open gate valve under the drive of the conveyer belt of the pallet of material on a conveyor, hold material Pallet pass through from the upper surface of lower frame.

The composed structure of the charging/discharging device of four gate valve type of the application and reached resultant effect are as follows:

The charging/discharging device of four gate valve types includes a shell, four conveyers, four gate valves.

The shell has inlet and outlet.

The gate valve is 4, numbers four gate valves respectively for the ease of statement are as follows: No.1 gate valve, No. two gate valves, and three Number gate valve, No. four gate valves.

The lock frame of the gate valve is fixed on the shell of shell, and gate valve and adjacent the distance between gate valve are 800- 1500mm。

The valve shaft of the gate valve extends the shell of shell, and the driving device of gate valve is fixed on outside the shell of shell, The driving device of gate valve is connected on valve shaft.

Two adjacent gate valves form a storehouse with the shell of shell in the shell.4 gate valves can form 3 storehouses, and one Number gate valve and No. two adjacent gate valves form No.1 storehouse, and No. two gate valves and No. three adjacent gate valves form No. two storehouses, No. three gate valves No. three storehouses are formed with No. four adjacent gate valves.

The driving device drives valve shaft to drive the lifting of flashboard, and the lower end of flashboard is dropped into the lower frame of gate valve Afterwards, sealing of the surrounding of flashboard by the sealing device in the frame of lock frame surrounding is mounted on adjacent in charging/discharging device Gate valve of the storehouse between storehouse can realize high airtight sealing；Gate valve after sealing has ensured No.1 storehouse, No. two storehouses and No. three storehouses point It is not an independent chamber.

The conveyer is mounted on before gate valve, the lower frame of the height and gate valve above conveyer belt on conveyer Height is identical above, and the same height passes through convenient for pallet from the upper surface of the lower frame of gate valve.

The flange in two charging/discharging device exits is connected in the inlet port and outlet port of dryness storehouse.

One, by the flanged joint in the exit of charging/discharging device on the feed inlet of dryness storehouse, the outlet of charging/discharging device The upper surface of the conveyer belt of drying conveyor located above the lower frame of gate valve and in dryness storehouse is horizontal, the same level height It is smooth when convenient for pallet by the inlet port and outlet port of dryness storehouse.The pallet of material is held under the drive of conveyer from lock The upper surface of lower frame of valve enters on the conveyer belt of the drying conveyor in dryness storehouse.

Two, by the flanged joint in the exit of charging/discharging device on the discharge port of dryness storehouse, the outlet of charging/discharging device Locate the upper surface of the conveyer belt of drying conveyor above the lower frame of gate valve and in dryness storehouse be it is horizontal, hold the pallet of material Under the drive of conveyer from the conveyer belt that the upper surface of lower frame of gate valve enters the drying conveyor in dryness storehouse.

For the ease of being mounted on charging/discharging device on dryness storehouse, the data statement statement of resultant effect achieved is clear Chu, it is assumed that the air pressure in dryness storehouse is -0.090Mpa, and the boiling point of water is 47.68 degree in dryness storehouse；Environment outside the import of shell Air pressure be 0.1Mpa.

One, as No.1 storehouse, No. two storehouses with the capacity in No. three storehouses are, for the ease of data computer statement: by No.1 The capacity in storehouse, No. two storehouses and No. three storehouses is set to 1 cubic metre.Assuming that No.1 storehouse, No. two storehouses and No. three storehouse air pressures are 0.1Mpa The air of capacity is 1 cubic metres of air；Assuming that the air that No.1 storehouse, No. two storehouses and No. three storehouse air pressures are -0.090Mpa capacity is 0.1 cubic metres of air.

Special remarks explanation: the air in No.1 storehouse, No. two storehouses and No. three storehouse air pressure -0.090Mpa capacity is theoretically also 1 Cubic metres of air, only the density of 1 cubic metres of air of air pressure -0.090Mpa is small.For the ease of data statement, air pressure- 1 cubic metres of air of 0.090Mpa is set as 0.1 cubic metres of air that air pressure is 0.1Mpa.

Two, No. three gate valves are closed.The inside in opening No.1 gate valve and No. two gate valves, No.1 storehouse and No. two storehouses is exactly to penetrate through , since the import of No.1 storehouse and shell is perforation, the air pressure of the environment outside the import of shell is 0.1Mpa, at this moment closes one The air pressure in No.1 storehouse and No. two storehouses after number gate valve and No. two gate valves is 0.1Mpa.

Three: No. four gate valves are opened, since the inside in No. three storehouses and dryness storehouse is perforation, the air pressure in dryness storehouse is- 0.090Mpa, the air pressure in No. three storehouses after at this moment closing No. four gate valves is also -0.090Mpa.

Four: the air pressure of the inside in No. two storehouses at this moment is 0.1Mpa, and the air pressure in No. three storehouses is -0.090Mpa, by No. three Gate valve is opened, and the inside in No. three storehouses and No. two storehouses penetrates through, and the air pressure 0.1Mpa pressure-air in No. two storehouses flows to No. three storehouses Interior, the different air pressures of No. two storehouse 0.1Mpa and No. three -0.090 Mpa of storehouse have just obtained balanced average gas pressure, No. three storehouses of perforation It is -0.045 Mpa with the air pressure inside No. two storehouses, at this moment opens No. three gate valves, the air pressure inside No. two storehouses is -0.045 Mpa。

Five, successively opening or closing by multiple tracks gate valve, by No.1 gate valve, No. two gate valves, No. three gate valves, No. four locks The successively opening and closing of valve, the air pressure in No. three storehouses is -0.090Mpa；Air pressure in No. two storehouses is -0.045 Mpa；No.1 Air pressure in storehouse is 0.1Mpa.

The application charging/discharging device conveying hold material pallet into dryness storehouse process and reach comprehensive effect Fruit is as follows:

One, worker by the discharge of materials of required drying in pallet after, hold the pallet of material by being mounted on drying Charging/discharging device on the feed inlet in storehouse enters dryness storehouse.

Two, worker will hold the pallet of material on the conveyer outside No.1 gate valve.The pallet of material is held in No.1 lock No.1 storehouse is passed into from the upper surface of the lower frame of No.1 gate valve under the drive on conveyer outside valve；Hold the pallet of material Into after No.1 storehouse, conveyer stops working, after holding on the static conveyer for being parked in No.1 storehouse of pallet of material, No.1 gate valve It closes；The air pressure in No.1 storehouse after closing No.1 gate valve is 0.1Mpa.Therefore, the 0.1Mpa air in No.1 storehouse is 1 cube Rice air.

Three, after No.1 gate valve is closed, No. two gate valves are opened, and No.1 storehouse and No. two storehouses penetrate through, No.1 storehouse high pressure In No. two storehouses of the low pressure of air flow direction, the different air pressures of No.1 storehouse 0.1Mpa and No. two -0.045 Mpa of storehouse have just obtained equilibrium Air pressure inside average gas pressure, the No.1 storehouse of perforation and No. two storehouses is -0.075 Mpa.The pallet of material is held in No.1 storehouse No. two storehouses are passed into from the upper surface of the lower frame of No. two gate valves under the drive of conveyer.The pallet for holding material enters No. two Behind storehouse, conveyer stops working, and after holding on the static conveyer for being parked in No. two storehouses of pallet of material, No. two gate valves are closed.Two Number gate valve is closed, and the air pressure in No. two storehouses is -0.075 Mpa.Therefore, 1 cubic metres of air of No.1 storehouse 0.1Mpa(capacity) subtract Go 0.75 cubic metres of air of -0.075 Mp(capacity of No. two storehouses), No.1 storehouse 0.1Mpa(1 cubic metres of air) it reduces into No. two - 0.075 Mp(0.75 cubic metres of air of storehouse) air be 0.25 cubic metre.

Four, after No. two gate valves are closed, No. three gate valves are opened, and No. three storehouses and No. two storehouses penetrate through, No. two storehouse high pressures In No. three storehouses of the low pressure of air flow direction, the different air pressures of No. three storehouse -0.01Mpa and No. two -0.075 Mpa of storehouse have just been obtained Weigh average gas pressure, and the air pressure in No. three storehouses and No. two storehouses of perforation is -0.045 Mpa.The pallet of material is held in No. two storehouses No. three storehouses are passed into from the upper surface of the lower frame of No. three gate valves under the drive of conveyer.The pallet for holding material enters No. three Behind storehouse, conveyer stops working, and after holding on the static conveyer for being parked in No. three storehouses of pallet of material, No. three gate valves are closed.Three Number gate valve is closed, and the air pressure in No. three storehouses is -0.045 Mpa.Therefore, 0.75 cubic metre of sky of No. two -0.075 Mp(capacity of storehouse Gas) subtract 0.45 cubic metres of air of -0.045 Mp(capacity of No. three storehouses), No. two -0.075 Mp(0.75 cubic metres of air of storehouse) Reduce enter No. three -0.045 Mp(0.45 cubic metres of air of storehouse) air be 0.30 cubic metres of air.

Five, after No. three gate valves are closed, No. four gate valves are opened, since the inside in No. three storehouses and dryness storehouse is to penetrate through, No. three In the dryness storehouse of the low pressure of the air flow direction of storehouse high pressure, gas in No. three storehouse -0.045Mpa is into -0.090 Mpa of people's dryness storehouse Behind inside, the vacuum pump set pump drainage installed outside exhaust outlet of the gas through dryness storehouse is walked, the inside in No. three storehouses and dryness storehouse of perforation Air pressure is -0.090 Mpa.The pallet of material is held under the drive of the conveyer in No. three storehouses from the upper of the lower frame of No. four gate valves Face is entered in dryness storehouse by the outlet of shell；On the conveyer belt for the drying conveyor that the pallet for holding material enters dryness storehouse Afterwards, No. four gate valves are closed.No. four gate valves are closed, and the air pressure in No. three storehouses is -0.090 Mpa.Therefore, No. three -0.045 Mp of storehouse (0.45 cubic metres of air of capacity) enter -0.090 Mpa(0.1 cubic metres of air of dryness storehouse) air be 0.35 cubic metre of sky Gas.

Six, the conveyer belt of the drying conveyor in dryness storehouse drives the pallet forward for holding material, holds in pallet Material be dried in vacuo in dryness storehouse.

Comprehensive institute is above-mentioned, by successively opening or closing for multiple tracks gate valve: No.1 gate valve, No. two gate valves, No. three gate valves, No. four The successively opening and closing of gate valve, 1 cubic metres of air dividing three times by " No.1 storehouse, No. two storehouses, No. three storehouses " in No.1 storehouse Stream.1 cubic metres of air of No.1 storehouse 0.1Mpa(capacity) subtract 0.75 cubic metres of air of -0.075 Mp(capacity of No. two storehouses) It is few into 0.25 cubic metre, then subtract -0.045 Mp(0.45 cubic metres of air of No. three storehouses) it is few into 0.30 cubic metre, finally subtract - 0.090 Mpa(0.1 cubic metres of air in dryness storehouse)；No.1 storehouse 0.1Mpa(1 cubic metres of air) enter dryness storehouse -0.090 Mpa(0.1 cubic metres of air) air be 0.35 cubic metre.

1 cubic metres of air in the No.1 storehouse of the feed cycle of one pallet for holding material passes through " No.1 storehouse, No. two The multiple shunting in more storehouses such as storehouse, No. three storehouses ", the feed cycle of a pallet for holding material reduce about 0.65 cubic metre Air enters dryness storehouse.Air into dryness storehouse is all the gas that can not be coagulated, and the gas that can not be coagulated in dryness storehouse requires Vacuum pump set pump drainage is gone out, and dryness storehouse just can achieve the vacuum degree that required air pressure is -0.090Mpa or so, ensures drying The boiling point of water is 35-50 degree in storehouse.

The charging/discharging device held on feed inlet of the pallet of material by being mounted on dryness storehouse enters dryness storehouse, reduces About 65% or so air enters dryness storehouse, reduces the power of the vacuum pump set of the pumping air of dryness storehouse, has reached energy conservation and subtracted Row.

The charging/discharging device conveying of the application holds the process of the discharge dryness storehouse of the pallet of material and reaches comprehensive effect Fruit is as follows:

After dry materials in pallet, the input and output material dress on discharge port of the pallet of material by being mounted on dryness storehouse is held Set discharge dryness storehouse.

One, No. two gate valves, No. three gate valves and No.1 gate valve are closed.Open No. four gate valves, No. three storehouses of perforation and dryness storehouse Air pressure inside be -0.090 Mpa.Hold under the drive of the conveyer belt of drying conveyor of the pallet of material in dryness storehouse from The upper surface of the lower frame of No. four gate valves passes into No. three storehouses；Hold material pallet enter No. three storehouses after, conveyer stops Work, after holding on the static conveyer for being parked in No. three storehouses of pallet of material, No. four gate valves are closed.Therefore, No. three storehouses -0.090 0.1 cubic metres of air of Mpa(capacity).

Two, after No. four gate valves are closed, No. three gate valves are opened, and No. three storehouses and No. two storehouses penetrate through, No. two storehouse high pressures In No. three storehouses of the low pressure of air flow direction, the different air pressures of No. three storehouse -0.01Mpa and No. two -0.075 Mpa of storehouse have just been obtained Weigh average gas pressure, and the air pressure in No. three storehouses and No. two storehouses of perforation is -0.045 Mpa.The pallet of material is held in No. three storehouses No. two storehouses are passed into from the upper surface of the lower frame of No. three gate valves under the drive of conveyer.The pallet for holding material enters No. two Behind storehouse, conveyer stops working, and after holding on the static conveyer for being parked in No. two storehouses of pallet of material, No. three gate valves are closed.Three After number gate valve is closed, 0.45 cubic metres of air of No. two storehouse 0.045Mpa(capacity), therefore, No. two storehouse 0.045Mpa(capacity 0.45 cubic metres of air) subtract 0.1 cubic metres of air of -0.090 Mp(capacity of No. three storehouses), No. two storehouse 0.045Mpa(capacity 0.45 cubic metres of air) reduce -0.090 Mp(capacity of entrance 0.1 cubic metres of air) air be 0.35 cubic metre.

Four, after No. three gate valves are closed, No. two gate valves are opened, and No.1 storehouse and No. two storehouses penetrate through, No.1 storehouse high pressure In No. two storehouses of the low pressure of air flow direction, the different air pressures of No.1 storehouse 0.1Mpa and No. two -0.045 Mpa of storehouse have just obtained equilibrium Average gas pressure, the air pressure in No. three storehouses and No. two storehouses of perforation are -0.075 Mpa.The pallet of material is held in the defeated of No. two storehouses It send and passes into No.1 storehouse from the upper surface of the lower frame of No. two gate valves under the drive of machine.The pallet for holding material enters No.1 storehouse Afterwards, conveyer stops working, and after holding on the static conveyer for being parked in No.1 storehouse of pallet of material, No. two gate valves are closed.No. two Gate valve is closed, and the air pressure in No.1 storehouse is -0.075 Mpa.Therefore, 0.75 cubic metre of sky of -0.075 Mp(capacity of No.1 storehouse Gas) subtract 0.45 cubic metres of air of -0.045 Mp(capacity of No. two storehouses), -0.075 Mp(0.75 cubic metres of air of No.1 storehouse) Reduce enter No. two -0.045 Mp(0.45 cubic metres of air of storehouse) air be 0.30 cubic metres of air.

Five, after No. two gate valves are closed, No.1 gate valve is opened, and holds the pallet of material under the drive of the conveyer in No.1 storehouse The upper surface of lower frame from No.1 gate valve road comes on the conveyer outside No.1 gate valve.The pallet for holding material comes out No.1 gate valve Afterwards, conveyer stops working, and after holding on the static conveyer being parked in outside No.1 gate valve of pallet of material, No.1 gate valve is closed, The pallet for holding material on conveyer outside No.1 gate valve is taken away by worker.

It is comprehensive above-mentioned: by successively opening or closing for multiple tracks gate valve；No.1 gate valve, No. two gate valves, No. three gate valves and four The successively opening and closing of number gate valve, the pallet for holding material to be done pass sequentially through No.1 storehouse, behind No. two storehouses and No. three storehouses, contain The pallet for putting material enters dryness storehouse；The pallet for holding material after drying passes sequentially through No. three storehouses, behind No. two storehouses and No.1 storehouse, Hold the pallet discharge dryness storehouse of material.

The pallet for holding material passes through the disengaging dryness storehouse of charging/discharging device in cycles.

By No. four gate valves, the successively opening and closing of No. three gate valves, No. two gate valves, No.1 gate valve, 1 in No.1 storehouse is vertical Square rice air passes through the shunting three times in " No.1 storehouse, No. two storehouses, No. three storehouses ".1 cubic metres of air of No.1 storehouse 0.1Mpa(capacity) Subtract 0.75 cubic metres of air of -0.075 Mp(capacity of No. two storehouses), then subtract -0.045 Mp(0.45 cubic metres of No. three storehouses sky Gas), finally subtract -0.090 Mpa(0.1 cubic metres of air of dryness storehouse), finally, No.1 storehouse 0.1Mpa(1 cubic metres of air) into Enter -0.090 Mpa(0.1 cubic metres of air of dryness storehouse) air be 0.35 cubic metre.The discharging of one pallet for holding material 1 cubic metres of air in the No.1 storehouse in period passes through the shunting three times in " No.1 storehouse, No. two storehouses, No. three storehouses ", and one holds material Discharging period of pallet reduce about 0.65 cubic metre of air and enter dryness storehouse.

The charging/discharging device discharge dryness storehouse on discharge port of the pallet of material by being mounted on dryness storehouse is held, is reduced 65% or so air enters dryness storehouse, reduces the power of the vacuum pump set for taking out air decompression of dryness storehouse, has reached energy conservation and subtracted Row.

The adjacent gate valve of the multiple groups of the charging/discharging device of the application constitutes several storehouses, adjacent one in charging/discharging device The pressure difference of air pressure of the storehouse in number storehouse, No. two storehouses, No. three storehouses etc. between the inside in storehouse is small, the gate valve being mounted in charging/discharging device High airtight sealing can be achieved.

The conveyer being arranged outside the No.1 gate valve according to the actual situation, also can choose outside No.1 gate valve and be not provided with Conveyer.

The workflow of the continuity belt vacuum dryer of the application is as follows:

Two, start heating device, heating device carries out heating work in dryness storehouse.

Three, after on the conveyer belt for the drying conveyor that the pallet for holding material enters dryness storehouse, the pallet for holding material exists Under the drive of conveyer belt on drying conveyor, the conveyer belt of the drying conveyor in dryness storehouse drive hold the pallet of material to Preceding movement, heating device carry out thermally conductive heating to the material held in pallet, and the material held in pallet carries out in dryness storehouse Vacuum drying.

Four, the moisture generated when leaking into the dry materials held in the air and pallet in dryness storehouse is dry by being mounted on Vacuum pump set pump drainage on exhaust outlet on dry storehouse is gone out.Moisture passes sequentially through the dedusting of moisture dust-extraction unit, wet after dedusting Gas is condensed by condenser, and the condensable gas in moisture is condensed into water, and the air that can not be coagulated is gone out by vacuum pump pump drainage；Moisture Thermal energy is released in condensation process carries out preheating heating to material.

Five, after the dry materials in pallet, material after holding on the conveyer belt of drying conveyor is dried in dryness storehouse Dryness storehouse is discharged by the charging/discharging device being mounted on the discharge port of dryness storehouse in pallet, the Sheng on conveyer outside No.1 gate valve The pallet for putting material is taken away by worker.

Adjacent two gate valve in the charging/discharging device forms a storehouse with the shell of shell in the shell, passes through Multiple tracks gate valve successively opens or closes, and the pressure difference of air pressure of the adjacent storehouse between the inside in storehouse in charging/discharging device is small, The gate valve being mounted in charging/discharging device can realize high airtight sealing；Hold the pallet of material by be mounted on dryness storehouse into Charging/discharging device in material mouth and discharge port comes in that dryness storehouse is discharged, and the air for reducing about 65% or so enters dryness storehouse.

Six gate valves form the charging/discharging device in five storehouses, by successively opening or closing for six gate valves, five storehouses The air that charging/discharging device can reduce 85% or so enters dryness storehouse.

The utility model has the advantages that compared with existing belt drying machine: a kind of continuity belt vacuum drying Machine is easy to use, and the pressure difference of air pressure of the adjacent storehouse between the inside in storehouse in charging/discharging device is small, is mounted on input and output material dress Gate valve in setting can realize high airtight sealing.By the flanged joint on charging/discharging device dryness storehouse discharge port and discharge port On can play sealing function, hold the input and output material in inlet port and outlet port of the pallet of material by being mounted on dryness storehouse Device comes in that dryness storehouse is discharged, and the air for reducing about 60% -85% enters dryness storehouse.Heating device passes through heat radiation and heat It is conducted to the material held in conveyer belt top tray and carries out thermally conductive heating up and down simultaneously, improve the biography of thermal energy under vacuum conditions Speed is led, dry materials speed has been speeded.External condition limitation when continuity belt vacuum dryer vacuum drying material is few, It is practical, have a wide range of application.

Detailed description of the invention:

Fig. 1, for the structural schematic diagram of the utility model continuity belt vacuum dryer；

Fig. 2, for the utility model continuity belt vacuum dryer charging/discharging device structural schematic diagram.

In attached drawing: 1, charging/discharging device, 2, conveyer, 3, dryness storehouse, 4, heating device, 5, exhaust outlet, 6, drying conveying Machine, 7, flange, 8, vacuum pump set, 9, shell, 10, No.1 gate valve, 11, No. two gate valves, 12, No. three gate valves, 13, No. four gate valves, 14, No.1 storehouse, 15, No. two storehouses, 16, No. three storehouses, 17, flashboard, 18, import, 19, outlet, 20, lower frame, 21, flashboard, 22, on Frame.

Specific embodiment:

The utility model is described further with reference to the accompanying drawings and examples.

Embodiment:

A kind of continuity belt vacuum dryer as shown in Fig.1 and Fig.2 includes dryness storehouse 3, heating device 4, input and output material dress Set 1, drying conveyor 6, vacuum pump set 8.

The both ends of the dryness storehouse 3 are inlet port and outlet port.

There is exhaust outlet 5 on the dryness storehouse 3.

The vacuum pump set 8 is connected on the exhaust outlet 5 of dryness storehouse 3 by the pipeline of peripheral hardware.

The vacuum pump set 8 includes moisture dust-extraction unit, condenser, vacuum pump.Moisture passes sequentially through moisture dedusting dress The dedusting set, moisture after dedusting are condensed by condenser, and the condensable gas in moisture is condensed into water, the gas that can not be coagulated by Vacuum pump pump drainage is gone out.

The charging/discharging device 1 is fixed in the inlet port and outlet port of dryness storehouse 3.

The drying conveyor 6 is wired belt conveyer.

The drying conveyor 6 is mounted in dryness storehouse 3；The pallet for filling material enters in the feed inlet of dryness storehouse 3 After in dryness storehouse 3, pallet is on the upper surface of drying conveyor 6 conveyer belt, and the material held in pallet is in the defeated of drying conveyor 6 Send under the conveying of band in the thermally conductive heating of the heating device 4 in dryness storehouse 3 pallet by heated drying, after dry materials in drying Dryness storehouse 3 is discharged in the discharge port in storehouse 3.

The heating device 4 is microwave applicator.

The heating device 4 is fixed on the warehouse of the dryness storehouse 3 of the top of the upper surface of drying conveyor 6 conveyer belt； Heating device 4 is mounted on the upper surface of the upper surface of drying conveyor 6 conveyer belt, the upper surface of drying conveyor 6 conveyer belt and top peace The distance between infrared heater of dress is 500mm.

Charging/discharging device 1 as shown in Figure 2 includes shell 9, conveyer 2, gate valve, flange 7.

There are import 18 and outlet 19 in the both ends of the shell 9.

The flange 7 is mounted in the outlet 19 of shell 9.

The conveyer 2 is belt conveyor.

The conveyer 2 is 4.

The gate valve includes lock frame, flashboard 17, driving device, valve shaft, sealing device.

The lock frame is the lock frame that the metal framework of four U-shaped shapes in cross section is fabricated to.By upper frame 22, lower frame 20, left frame and correct frame form a lock frame.

The lock frame of the gate valve is fixed on the shell of shell 9, and gate valve is with adjacent the distance between gate valve 1200mm.The length of conveyer 2 is 1100mm between gate valve and adjacent gate valve, and the width of conveyer 2 is according to the size of shell 9 Design determines.

It is sealed air-tight between the surrounding lock frame of gate valve and the shell of shell 9.

The gate valve is 4, and two adjacent gate valves are in shell 9 and the shell of shell 9 forms a storehouse.

The valve shaft of the gate valve extends the shell of shell 9, and the driving device of gate valve is fixed on outside the shell of shell 9 The driving device in face, gate valve is connected on valve shaft.

The driving device is motor or hydraulic pump.

The driving device drives valve shaft to drive the lifting of flashboard 17, and the lower frame into gate valve drops in the lower end of flashboard 17 After in 20, sealing of the surrounding of flashboard 17 by the sealing device in the frame of lock frame surrounding, two adjacent gate valves are in shell 9 The shell for neutralizing shell 9 forms a storehouse, and the flashboard 17 after sealing has ensured that the gas in 17 front and back shell 9 of flashboard can not lead to Flashboard 17 is crossed to let out.

The driving device drives the lifting of flashboard 17 by driving valve shaft, and the lower end of flashboard 17 is raised to the upper of gate valve After in frame 22, the valve buckle in shell 9 is perforation.It flashboard 17, flashboard 17 can be under cover hidden in inside upper frame 22 In upper frame 22, the height of upper frame 22 is greater than the height of flashboard 17.

17 height of flashboard is 60-118mm, and width is 450-1580mm；The height of upper frame 22 is 80- 138mm。

The conveyer 2 is mounted on before gate valve, upper with the lower frame 20 of gate valve above the conveyer belt on conveyer 2 Face be it is equally horizontal, hold the pallet of material under the drive of the conveyer belt on conveyer 2 by the gate valve opened, hold object The pallet of material passes through from the upper surface of lower frame 20.

The charging/discharging device 1 of four gate valve types as shown in Figure 2 includes shell 9, conveyer 2, gate valve.

The shell 9 has import 18 and outlet 19.

The gate valve is 4, is numbered four gate valves respectively for the ease of statement are as follows: No.1 gate valve 10, No. two gate valves 11, No. three gate valves 12, No. four gate valves 13.

The lock frame of the gate valve is fixed on the shell of shell 9, and gate valve and adjacent the distance between gate valve are 800- 1500mm。

Two adjacent gate valves form an independent space in shell 9；No.1 gate valve 10 and No. two adjacent gate valves 11 composition No.1 storehouses 14, No. two gate valves 11 and No. three adjacent gate valves 12 form No. two storehouses 15, No. three gate valves 12 and adjacent four Number gate valve 13 forms No. three storehouses 16.

The driving device drives valve shaft to drive the lifting of flashboard 17, and the lower frame into gate valve drops in the lower end of flashboard 17 After in 20, sealing of the surrounding of flashboard 17 by the sealing device in the frame of lock frame surrounding, the gate valve after sealing has ensured one Number storehouse 14, No. two storehouses 15 and No. three storehouses 16 are an independent chamber respectively.

As shown in Fig.1 and Fig.2: by the flange 7 at two charging/discharging devices 1 outlet 19 be connected to dryness storehouse 3 into In material mouth and discharge port.

One, the flange 7 at the outlet 19 of charging/discharging device 1 is connected on the feed inlet of dryness storehouse 3, charging/discharging device 1 Outlet 19 at gate valve lower frame 20 above and the upper surface of the conveyer belt of drying conveyor 6 in dryness storehouse 3 be it is horizontal, one It is smooth when the level height of sample is convenient for pallet to pass through the inlet port and outlet port of dryness storehouse 3.The pallet for holding material is conveying Under the drive of machine 2 from the conveyer belt that the upper surface of lower frame of gate valve 20 enters the drying conveyor 6 in dryness storehouse 3.

Two, the flange 7 at the outlet 19 of charging/discharging device 1 is connected on the discharge port of dryness storehouse 3, charging/discharging device 1 Outlet 19 at gate valve lower frame 20 above and the upper surface of the conveyer belt of drying conveyor 6 in dryness storehouse 3 is horizontal, Sheng The pallet for putting material enters the drying conveyor 6 in dryness storehouse 3 from the upper surface of lower frame of gate valve 20 under the drive of conveyer 2 Conveyer belt on.

1 cubic metres of air in the No.1 storehouse 14 for passing in and out the period of one pallet for holding material passes through " No.1 storehouse 14, two The shunting three times in number 15, No. three storehouses 16 " in storehouse, the feed cycle of a pallet for holding material reduce about 0.65 cubic metre Air enters dryness storehouse 3.Air into dryness storehouse 3 is all the gas that can not be coagulated, and the gas that can not be coagulated in dryness storehouse 3 all needs 8 pump drainage of vacuum pump set is wanted to go out, dryness storehouse 3 just can achieve required vacuum degree.

One, worker by the discharge of materials of required drying in pallet after, hold the pallet of material by being mounted on drying Charging/discharging device 1 on the feed inlet in storehouse 3 enters dryness storehouse 3.

Two, start heating device 4, heating device 4 carries out heating work in dryness storehouse 3.

Three, after on the conveyer belt for the drying conveyor 6 that the pallet for holding material enters dryness storehouse 3, the pallet of material is held Under the drive of the conveyer belt on drying conveyor 6, the conveyer belt drive of the drying conveyor 6 in dryness storehouse 3 holds material The infrared heater of pallet forward, heating device 4 carries out thermally conductive heating to the material held in pallet, holds in pallet Material be dried in vacuo in dryness storehouse 3.

Four, the moisture generated when leaking into the dry materials held in the air and pallet in dryness storehouse 3 is by being mounted on 8 pump drainage of vacuum pump set on exhaust outlet 5 on dryness storehouse 3 is gone out.Moisture passes sequentially through the dedusting of moisture dust-extraction unit, after dedusting Moisture condensed by condenser, the condensable gas in moisture is condensed into water, and the air that can not be coagulated is gone out by vacuum pump pump drainage； The air pressure of dryness storehouse is -0.090Mpa, and the boiling point of water is 48 degree in dryness storehouse.

Five, the material after holding drying after the dry materials in pallet, in dryness storehouse 3 on the conveyer belt of drying conveyor 6 Discharge port of the pallet by being mounted on dryness storehouse 3 on charging/discharging device 1 dryness storehouse 3, the conveying outside No.1 gate valve 10 is discharged The pallet for holding material on machine 2 is taken away by worker.

The pressure difference of air pressure of the adjacent storehouse between the inside in storehouse in the charging/discharging device 1 is small, is easily installed The airtight sealing of the sealing height easy to accomplish of gate valve of the adjacent storehouse between storehouse.

The charging/discharging device 1 held in inlet port and outlet port of the pallet of material by being mounted on dryness storehouse 3 comes in arrange Dryness storehouse 3 out, the air for reducing about 65% or so enter dryness storehouse 3.

Embodiment 2:

A kind of continuity belt vacuum dryer as shown in Figure 1 includes dryness storehouse 3, heating device 4, charging/discharging device 1, Drying conveyor 6, vacuum pump set 8.

The continuity that the continuity belt vacuum dryer and embodiment 1 of the present embodiment 2 as shown in Figure 1 and Figure 2 are introduced The something in common of the structure of belt vacuum dryer just no longer repeats introduction.

Continuity belt vacuum dryer as shown in Figure 1 includes dryness storehouse 3, heating device 4, charging/discharging device 1, drying Conveyer 6, vacuum pump set 8.

The heating device 4 is microwave applicator and heating plate.

The heating device 4 is fixed on the upper surface of the upper surface of drying conveyor 6 conveyer belt and following.

The heating plate is mounted below the upper surface of drying conveyor 6 conveyer belt, and heating plate is fixed on 3 liang of dryness storehouse On the warehouse of side, pasted on hot plate below the conveyer belt of the upper surface of drying conveyor 6 conveyer belt.

The microwave applicator is fixed on the storehouse above the dryness storehouse 3 of the top of the upper surface of drying conveyor 6 conveyer belt On body；The upper surface of drying conveyor 6 conveyer belt and the distance between the microwave applicator of top installation are 800mm.

Be mounted on the upper and lower heating device 4 of conveyer belt above drying conveyor by the microwave radiation of microwave applicator and The heat transfer of heating plate carries out thermally conductive heating to the material on conveyer belt up and down simultaneously, improves the biography of thermal energy under vacuum conditions Speed is led, dry materials speed has been speeded.

Embodiment 3:

The continuity that the continuity belt vacuum dryer and embodiment 1 of the present embodiment 3 as shown in Figure 1 and Figure 2 are introduced The something in common of the structure of belt vacuum dryer just no longer repeats introduction.

The heating device 4 is infrared heater.

The infrared heater is mounted below the upper surface of drying conveyor 6 conveyer belt and in the following, being installed below Infrared heater be fixed on the warehouse of 3 two sides of dryness storehouse, the infrared heater installed above is fixed on dryness storehouse 3 On the warehouse of side；The upper surface of drying conveyor 6 conveyer belt and the distance between the infrared heater of following above and installation are 200mm。

The infrared heater is fixed on above the dryness storehouse 3 of the top of the upper surface of drying conveyor 6 conveyer belt On warehouse, the distance between the infrared heater of the upper surface of drying conveyor 6 conveyer belt and top installation is 200mm.

Be mounted on the upper and lower heating device 4 of conveyer belt above drying conveyor by the heat radiation of infrared heater to Material in conveyer belt top tray carries out thermally conductive heating up and down simultaneously, improves the conduction of velocity of thermal energy under vacuum conditions, increases Fast dry materials speed.

Above embodiments are merely used to help understand the production method and its core concept of the utility model, and specific implementation is not Be confined to above-mentioned specific embodiment, those skilled in the art from the above idea, without creative labor, institute The variation made, all falls within the protection scope of the utility model.

Claims

1. a kind of continuity belt vacuum dryer, including dryness storehouse (3), heating device (4), charging/discharging device (1) are dried defeated It send machine (6), vacuum pump set (8)；It is characterized by: charging/discharging device (1) is fixed on the inlet port and outlet port of dryness storehouse (3) On, drying conveyor (6) is mounted in dryness storehouse (3), and vacuum pump set (8) is connected to dryness storehouse (3) by the pipeline of peripheral hardware On exhaust outlet (5)；

The heating device (4) is infrared heater microwave applicator or heating plate；

The heating device (4) is dryness storehouse (3) warehouse for being fixed on the upper surface of drying conveyor (6) top of conveyer belt On；Either it is fixed on the upper surface of the upper surface of drying conveyor (6) conveyer belt and following；

The charging/discharging device (1) includes shell (9), conveyer (2), gate valve, flange (7)；Conveyer (2) is mounted on gate valve Before；The lock frame of gate valve is fixed on the shell of shell (9), and valve shaft extends the shell of shell (9), and driving device is fixed on Outside the shell of shell (9), driving device drives valve shaft to drive the lifting of flashboard (17)；

Adjacent two gate valve in the charging/discharging device (1) forms one in the shell that shell (9) neutralize shell (9) Storehouse；By successively opening or closing for multiple tracks gate valve, air pressure of the adjacent storehouse between the inside in storehouse in charging/discharging device (1) Pressure difference is small, and the gate valve being mounted in charging/discharging device (1) can realize high airtight sealing；

The described flange (7) by two charging/discharging devices (1) outlets (19) be connected to dryness storehouse (3) feed inlet and On discharge port；

The charging/discharging device (1) held on feed inlet of the pallet of material by being mounted on dryness storehouse (3) enters dryness storehouse (3), The conveyer belt of drying conveyor (6) in dryness storehouse (3) drives the pallet forward for holding material, and heating device (4) passes through To the thermally conductive heating of material progress held in pallet, material is dried in vacuo in dryness storehouse (3), is let out for heat radiation and heat transfer The moisture generated when the air and dry materials that leak into dryness storehouse (3) passes through the vacuum pump set (8) that is mounted on exhaust outlet (5) Pump drainage is gone out；Dryness storehouse is discharged in the charging/discharging device (1) on discharge port that the pallet for holding material after drying passes through dryness storehouse (3) (3).

2. continuity belt vacuum dryer according to claim 1, it is characterised in that: vacuum pump set (8) includes moisture Dust-extraction unit, condenser, vacuum pump.

3. continuity belt vacuum dryer according to claim 1, it is characterised in that: the heating plate of heating device (4) Or infrared heater is mounted below the upper surface of drying conveyor (6) conveyer belt, heating plate or infrared heater are fixed On the warehouse of dryness storehouse (3) two sides.

4. continuity belt vacuum dryer according to claim 1, it is characterised in that: conveyer (2) is 2-6.

5. continuity belt vacuum dryer according to claim 1, it is characterised in that: gate valve is 3-6.

6. continuity belt vacuum dryer according to claim 1, it is characterised in that: between gate valve and adjacent gate valve Distance be 800-1500mm.