CN208779852U - The pan dryer of double-layer heating - Google Patents

Abstract

A kind of pan dryer of double-layer heating of the utility model, including dryness storehouse, variable speed electric motors, particularly, bracket, heating dish, transmission shaft, raking arm device, air inlet discharge device.Variable speed electric motors, particularly drives transmission shaft rotary motion, and raking arm device is the same as transmission shaft together rotary motion.Raking arm device includes fixed frame, heating device, raking arm, rake leaf, deflector.Material in heating dish, which produces displacement under the effect of stirring of the rake leaf and deflector of raking arm device and stirs, to pave, improve the drying uniformity of material moisture, effective heating surface (area) (HS > 85% of the disk of heating dish, the power supply line of heating device drives the power supply outside the upper dryness storehouse of connector connection by brush joint or electricity, and the thermal energy that heating device generates is conducted on the material in heating dish disk by heat radiation.Material in heating dish disk is heated the thermally conductive heating simultaneously up and down of disk and heating device, increases the heat intensity up and down of material, improves dry materials speed.

Description

The pan dryer of double-layer heating

Technical field

The utility model relates to a kind of pan dryer, especially a kind of pan dryer of double-layer heating.

Background technique

The heating dish installed in pan dryer currently on the market is multilayer, and material is in heating dish, in heating dish Heat medium (steam, hot water) material in heating dish is transferred heat to by the upper surface of heating dish, material absorbs heating Thermal energy on disk evaporates its moisture.Heating device is fitted without on raking arm, therefore, the material in heating dish is only added The thermally conductive heating of the single side of hot plate, drying materials rate is slow, affects the drying effect of material.

When pan dryer works, several rake leaves being mounted on raking arm, along the disk of heating dish under raking arm drive Revolution, in front is shoving rake leaf, moves material tangentially with vertical direction along rake leaf, and back is limit rake leaf, controls material The area that paves, limit rake leaf simultaneously be also next material ring shoving rake leaf.Each rake leaf only pushes the material of the front, makes it Accumulating according to Dynamic repose angle along rake leaf scraper plate front is material heap, and material heap is in asymmetric domatic, and annular material heap area coverage is even Less than bare area, effective heating surface (area) (HS of heating dish seriously affects the performance of the normal efficiency of drier less than 50%.

Summary of the invention

In order to solve the problems, such as it is to overcome the shortcomings of the prior art, a kind of pan dryer of double-layer heating is provided. Heating device and deflector are mounted on raking arm: the water conservancy diversion that annular material piles up deflector paves under effect, and material, which is covered on, to be added Area in hot plate disk is greater than 85%.Material in heating dish is heated the thermally conductive heating simultaneously up and down of disk and heating plate, object Material Drying Rates are speeded, and improve the drying rate of material.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of pan dryer of double-layer heating, Including dryness storehouse, variable speed electric motors, particularly, bracket, heating dish, transmission shaft, raking arm device.

The dryness storehouse is fixed by the bracket on the ground.

The dryness storehouse includes feed inlet, discharge port, exhaust outlet.

The pan dryer of double-layer heating can select vacuum drying process or right according to the demand of the drying quality of material Drain off drying process, the drying quality and speed of Lai Tigao material.

One, when the pan dryer of double-layer heating is according to vacuum drying process is implemented, feed inlet, discharge port in dryness storehouse The upper high airproof wind stopping device of installation, high airproof wind stopping device carry out the airtight input and output material of height of material；Vacuum is installed on exhaust outlet Unit vacuumizes.

High airproof wind stopping device has ensured that air of material during input and output material outside dryness storehouse can not be by high airtight Type wind stopping device leaks into dryness storehouse.

After installing high airproof wind stopping device on the discharge port and feed inlet of dryness storehouse, material can close wind by high airproof Device continuously ceaselessly passes in and out dryness storehouse, and the moisture that gasification generates when dry materials in dryness storehouse is by installing on dryness storehouse exhaust outlet Vacuum pump set pumps out dryness storehouse；Material can carry out successional vacuum drying, the dry efficiency of improving material and optimization object Expect drying effect.

Two, the pan dryer of double-layer heating is installed on the feed inlet of dryness storehouse and is closed when implementing convective drying technique Wind device is fed；It is that air inlet discharge device is installed on the discharge port of dryness storehouse, it is spacious that either what, which is not installed, on discharge port Opening.Air exhauster is installed to be vented on the exhaust outlet of dryness storehouse, air exhauster is axial fan or centrifugal wind Machine.

1, air inlet discharge device includes tee tube, ventilating fan, wind stopping device, drainage conduit.There are import, air inlet on tee tube Mouthful, outlet.There is flange in the import of tee tube, air inlet discharge device is fixed the discharge port of dryness storehouse by the flange on tee tube On.Ventilating fan is mounted on the air inlet of tee tube, and ventilating fan is axial fan or centrifugal fan.Wind stopping device It is mounted in the outlet of tee tube, wind stopping device is used to carrying out the material of dryness storehouse discharge outlet into high airtight discharge, wind stopping device The dried material of discharge is come in transmission belt by drainage conduit boundling, concentrates conveying convenient for the material after drying.Wind stopping device ensures Air of the material in discharging process outside dryness storehouse can not leak into dryness storehouse by wind stopping device.

When installing air inlet discharge device on the discharge port of dryness storehouse, the air themperature outside dryness storehouse storehouse is than the material after drying Temperature it is low.Cold air outside dryness storehouse storehouse is entered in dryness storehouse by ventilating fan blow pressure；Discharge port of the cold air through dryness storehouse Into in dryness storehouse.

Cold air to the high-temperature material after the drying of dryness storehouse discharge outlet play it is cooling use, Cryogenic air absorbs Become hot-air after high temperature on material, the hot-air after heating plays the wet of generation that gasify when carrying dry materials in dryness storehouse Dryness storehouse is discharged in the effect of gas, the moisture that the air exhauster on dryness storehouse exhaust outlet carries hot-air.

2, discharging of the air through dryness storehouse when not being installed into gas discharge device on the discharge port of dryness storehouse, outside dryness storehouse storehouse Mouth enters in dryness storehouse；Air exhauster on exhaust outlet is axial fan or centrifugal fan.Cold air is through dryness storehouse Discharge port enter in dryness storehouse, cold air to the high-temperature material after the drying of dryness storehouse discharge outlet play it is cooling use, Cryogenic air becomes hot-air after absorbing the high temperature on material, and the hot-air after heating, which plays, carries dry materials in dryness storehouse When the effect of moisture that generates of gasification, dryness storehouse is discharged in the moisture that the blower on exhaust outlet carries hot-air.

The knot of the heating dish of the structure fabrication of the heating dish of the pan dryer of double-layer heating and conventional pan dryer Structure is made to be the same.

The heating dish is big heating dish and small heating dish.The fixed peace of the heating dish of the pan dryer of double-layer heating As the heat supply of dress method and heat-conducting medium with conventional pan dryer is.Big heating dish and small heating dish are successively by supporting Frame is fixed on the warehouse in dryness storehouse, and small heating dish is installed below in big heating dish.The heat-conducting medium of heat supply is water, either Conduction oil.

After heat-conducting medium is by the heating of the heating equipment of peripheral hardware, carry the heat-conducting medium of thermal energy by the thermal energy of heating dish into Mouth enters in heating dish, and the thermal energy that heat-conducting medium carries is transmitted in the disk of heating dish, and the thermal energy that heat-conducting medium carries, which is given, to be added Material in the disk of hot plate carries out thermally conductive heating.The thermal energy outlet discharge heating dish that heat-conducting medium after thermally conductive passes through heating dish It is heated again by the heating device of peripheral hardware afterwards；Heat-conducting medium, which circulates in always in heating dish and heating equipment, carries out thermally conductive add Heat.

The heating equipment of peripheral hardware is boiler burner or heat pump.

The transmission shaft passes through the bearing arrangement installed on the warehouse in the storehouse of dryness storehouse lower end, and the upper end of transmission shaft enters In the inside of dryness storehouse, transmission shaft passes through the interstitial hole of heating dish.Bearing arrangement supporting bracket transmission shaft, ensured transmission shaft Stability.The junction of transmission shaft and dryness storehouse warehouse by storehouse outside sealing device sealing is fixed.Transmission shaft rotary course In by sealing device dynamic sealing, the outer air of dryness storehouse when drying material in vacuum can not pass through transmission shaft and dryness storehouse warehouse Junction enter the inside of dryness storehouse.

Multiple groups raking arm device is fixedly installed on transmission shaft in the dryness storehouse, corresponding one, one group of raking arm device adds Hot plate.

The lower end of the variable speed electric motors, particularly and transmission shaft connects, and variable speed electric motors, particularly drives transmission shaft rotary motion, raking arm device With transmission shaft together rotary motion.

The raking arm device includes fixed frame, heating device, raking arm, rake leaf, deflector.

The rake leaf is fixedly mounted on the lower section of raking arm, harrows the connection type of leaf and raking arm and the pan dryer of routine It is the same.

The heating device is connected and fixed by the raking arm of fixed frame and adjacent two sides and is integrated；Fixed frame is metal Item, the length of fixed frame are 50-180mm.

The face shaping of the heating device is sector, and what heating device was mounted on the close the inside on raking arm device is Small end, what it is close to outside is big end.

One end of the raking arm of the raking arm device is fixed on transmission shaft, and the small end of heating device is fixed by fixed frame On transmission shaft, raking arm device and transmission shaft are connected to one.

The deflector includes stock guide, pressing plate.For pressing plate in the upper surface of stock guide, pressing plate and stock guide are integrated. The making material of stock guide and pressing plate is metal plate, and deflector is directly by one piece of metal plate made of metal plate punching；Gold The thickness for belonging to plate is 0.5-3mm.

The appearance of the deflector is " shape, " shape namely upward L shape angle bar in turn.

The pressing plate plays sheeted product and can not up move, and the material that can not break through the material heap of pressing plate is merely able to It is mobile to two sides along stock guide.Material heap carries out water conservancy diversion by stock guide under the suppression of pressing plate and paves, the material booth of material heap It is layered in the disk of heating dish.

The deflector is on the side plate of the heating device in face of material side of fixed heating device, deflector or It is on the fixed frame being fixed between heating device and raking arm；Deflector extends under the stock guide of the lower end surface of heating device Holding length is 10-45mm.

As the length of the side plate of the length and heating device of the deflector is.

The deflector paves the material heap that leaf pushes into is harrowed in the disk for being covered on heating dish.

The lower end of the rake leaf of the raking arm device is attached in the disk of heating dish；The lower end of deflector and the disk of heating dish Spacing height between face is equal in the disk of heating dish to dry material thickness.

The distance on the material bed surface on the lower end surface of heating device and the disk of heating dish of the raking arm device It is 8-50mm, is conducted on material convenient for the thermal energy that heating device generates by heat radiation.

The upper end of the transmission shaft is equipped with conduit, and the lower end of transmission shaft and conduit is fixed as one, electricity Spool is through in the pipe of the conduit of transmission shaft upper end with transmission shaft together synchronous rotary, the power supply line of heating device, heating The power supply line of device is with transmission shaft and conduit together synchronous rotary.The power supply line of heating device is driven by brush joint or electricity Connector connects the power supply outside upper dryness storehouse.

After the power supply line of the heating device connects electricity, the thermal energy that heating device generates is being heated by heat radiation conduction On material in disk disk.

The heating device is electric boiling plate or infrared heating device.

One, electric boiling plate includes heating plate, heat-conducting work medium, electric heating tube；Heat-conducting work medium and electric heating tube are mounted on heating The inside of plate.Heating plate is the hollow metal case of metal plate production.

It is connected and fixed between bottom plate and top plate in the heating plate by metal strip.Installation of the metal strip in heating plate The flowing of heat-conducting work medium is not influenced.Ensure that heating plate will not high pressure negative pressure inside dryness storehouse by the heating plate that metal strip is fixed Cause the protrusion of heating plate or the deformation of recess.Heat-conducting work medium is water or conduction oil.

The distance on the material bed surface on the lower end surface of the heating plate and the disk of heating dish is 8-50mm, just It is conducted on material in the thermal energy that heating plate generates by heat radiation.

When the power supply line of the heating plate is with transmission shaft together synchronous rotary, the power supply outside dryness storehouse is connect by brush Head or electricity drive connector and power to the power supply line of the electric heating tube in electric boiling plate.

After the electric wire of the electric heating tube connects electricity, thermal energy that electric heating tube generates to the heat-conducting work medium in heating plate into Row heating is thermally conductive；The thermal energy that heat-conducting work medium in electric boiling plate carries conducts the material in heating dish disk by heat radiation On.

Two, infrared heating device includes infrared generator, reflector, frame.Frame is the metal frame of metal production.

The reflector arrangement is fixed on frame, and infrared generator is mounted in the cover of reflector.

The infrared generator is the both ends of infrared generator to be fixed on frame, or infrared ray is sent out Raw device is fixed on reflector；The power supply line of multiple infrared generators is connected as one.

There is insulating layer to keep the temperature outside the reflector, insulating layer reduces the loss of thermal energy.

The infrared generator is tungsten wire infrared ray bulb, or is the internal cast iron that nichrome wire is housed, It is the internal ceramic hollow plate or silicon carbide plate heater that nichrome wire is housed.

Material bed table below the infrared generator of the infrared heating device and in the disk of heating dish The distance in face is 8-50mm, is conducted on material convenient for the thermal energy that infrared generator generates by heat radiation.

When power supply line on the infrared generator is with transmission shaft together synchronous rotary, the power supply outside dryness storehouse is logical It crosses brush joint or electricity drives connector and powers to the power supply line of infrared generator.It is red after the electric wire of infrared generator connects electricity The thermal energy that outside line generator generates is conducted on the material in heating dish disk by heat radiation.

The workflow that the stirring of raking arm device paves is as follows:

One, several rake leaves being mounted on raking arm, rake leaf rotate in the disk under raking arm drive along heating dish, material It is tangentially moved with vertical direction along rake leaf, rake leaf back is the deflector installed on heating device, and deflector controls material in disk The area that paves on face.

Two, the rake leaf of raking arm pushes the material of the front, and the material pushed is under the guidance guide functions of rake leaf, material It is polymerized to along the side of rake leaf in asymmetric cyclic annular material heap.

Three, material is polymerized to pave in asymmetric material heap by the water conservancy diversion of deflector in the side edge of rake leaf, is lower than water conservancy diversion The material in space is gone over by the lower end movement of deflector between the lower end and disk of plate, and the material for exceeding deflector lower end does not have The lower end mobile past that method passes through deflector.

Four, exceed the material of deflector lower end under the guidance guide functions of deflector, exceed the material of deflector lower end Mobile to the two sides of deflector, higher than the material of the lower end of deflector, successively sedimentation is gone down during mobile to two sides, is sunk Fall lower end mobile past of the material in the space between the lower end and disk of deflector by deflector.

Five, expect the disk that heating dish is covered under the action of the material of cyclic annular material heap is paved by the guidance water conservancy diversion of deflector On, effective heating surface (area) (HS > 85% of the disk of heating dish, the normal efficiency for improving the heating dish of pan dryer plays.

The dry materials workflow of the pan dryer of double-layer heating:

One, it is conveyed in the big heating dish of dryness storehouse internal upper part first layer to dry material by the feed inlet of dryness storehouse, speed change electricity Machine drives transmission shaft rotation, and transmission shaft rotates with raking arm device, and material is under the impetus of rake leaf along index spiral shell Spin line flows through the disk of big heating dish, and inward turning is mobile inwards and falls into next layer from intermediate interstitial hole for material in big heating dish In small heating dish；Material in small heating dish is transplanted on the outer rim of small heating dish by outward turning water conservancy diversion of stirring, and in small heating dish Outer rim fall on lower section big heating dish outer rim；Big heating dish and small heating dish arrange alternatively up and down, and material is able to inward turning or outer Rotation continuously flows through the dryness storehouse of entire pan dryer.

Two, the material in the disk of heating dish is covered on heating under the action of the guidance water conservancy diversion for harrowing leaf and deflector paves In the disk of disk.Material produces displacement and stirs and paves under the guide functions of stirring of rake leaf and deflector, improves material and contains The drying uniformity of water, effective heating surface (area) (HS > 85% of the disk of heating dish, improves the hair of the normal efficiency of pan dryer It waves.

Three, after the heating equipment heating that heat-conducting medium passes through peripheral hardware, the heat-conducting medium for carrying thermal energy passes through the heat of heating dish Energy import enters in heating dish, and the thermal energy that heat-conducting medium carries is transmitted in the disk of heating dish, the heat-conducting medium in heating dish The thermal energy of carrying carries out thermally conductive heating to the material in the disk of heating dish.

Four, after the power supply line of the heating device on raking arm device connects electricity, the thermal energy that heating device generates passes through heat radiation Conduction is on the material in heating dish disk.Material in heating dish disk be heated disk and heating device up and down and meanwhile lead Heat heating, increases the heat intensity up and down of material, improves dry materials speed.

Five, the moisture generated when dry materials in dryness storehouse is discharged by the exhaust outlet of dryness storehouse；In dryness storehouse most The discharge port discharge dryness storehouse that material passes through dryness storehouse after drying in following small heating dish.

The utility model has the advantages that compared with existing pan dryer: a kind of tray drying of double-layer heating Device is fixedly installed with multiple groups raking arm device on transmission shaft；Raking arm device includes fixed frame, heating device, raking arm, rake leaf, water conservancy diversion Plate.Material in heating dish, which produces displacement under the rake leaf of raking arm device and the guide functions of stirring of deflector and stirs, to pave, Improve the drying uniformity of material moisture, effective heating surface (area) (HS > 85% of the disk of heating dish.The power supply line of heating device The power supply outside the upper dryness storehouse of connector connection is driven by brush joint or electricity, the thermal energy that heating device generates is conducted by heat radiation On material in heating dish disk.Material in heating dish disk is heated disk and the thermally conductive simultaneously up and down of heating device adds Heat increases the heat intensity up and down of material, improves dry materials speed.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the pan dryer of the utility model double-layer heating；

Fig. 2 is the raking arm device of the pan dryer of the utility model double-layer heating and the connection schematic diagram of transmission shaft；

Fig. 3 is the structural schematic diagram of the raking arm device of the pan dryer of the utility model double-layer heating；

Fig. 4 is the structural schematic diagram of the electric boiling plate of the raking arm device of the pan dryer of the utility model double-layer heating；

Fig. 5 is that the infrared ray of the raking arm device of the pan dryer of the utility model double-layer heating adds the knot of heating device Structure schematic diagram；

Fig. 6 is the structural schematic diagram of the deflector of the raking arm device of the pan dryer of the utility model double-layer heating；

The structural schematic diagram of the pan dryer of double-layer heating when Fig. 7 is the utility model implementation convective drying technique；

Fig. 8 is the structural schematic diagram of the air inlet discharge device of the pan dryer of the utility model double-layer heating.

In figure: 1, dryness storehouse, 2, variable speed electric motors, particularly, 3, transmission shaft, 4, bracket, 5, raking arm device, 6, exhaust outlet, 7, fixation Frame, 8, heating device, 9, feed inlet, 10, discharge port, 11, big heating dish, 12, small heating dish, 13, raking arm, 14, deflector, 15, material thickness, 16, rake leaf, 17, electric heating tube, 18, heat-conducting work medium, 19, electric boiling plate, 20, infrared generator, 21, anti- Light shield, 22, infrared heating device, 23, disk, 24, material heap, 25, conduit, 26, frame, 27, pressing plate, 28, lower end surface, 29, stock guide, 30, lower end, 31, ventilating fan, 32, flange, 33, tee tube, 34, wind stopping device, 35, drainage conduit, 36, air inlet row Expect device.

Specific embodiment

The utility model is described further with reference to the accompanying drawing:

Embodiment 1:

Such as Fig. 1, Fig. 2, a kind of pan dryer of double-layer heating shown in Fig. 3, including dryness storehouse 1, variable speed electric motors, particularly 2, branch Frame 4, heating dish, transmission shaft 3, raking arm device 5.

The dryness storehouse 1 is fixed on the ground by bracket 4.

The dryness storehouse 1 includes feed inlet 9, discharge port 10, exhaust outlet 6.

When the pan dryer of double-layer heating implements vacuum drying process, on the feed inlet 9 and discharge port 10 of dryness storehouse 1 High airproof wind stopping device is installed, high airproof wind stopping device carries out the airtight input and output material of height of material, installs vacuum machine on exhaust outlet 6 Group carrys out vacuumizing and exhausting.

After installing high airproof wind stopping device on the discharge port 10 and feed inlet 9 of dryness storehouse 1, material can pass through high airproof Wind stopping device continuously ceaselessly passes in and out dryness storehouse 1, and the moisture that gasification generates when dry materials in dryness storehouse 1 is by 1 exhaust outlet 6 of dryness storehouse The vacuum pump set of upper installation pumps out dryness storehouse 1；Material can carry out successional vacuum drying, the dry efficiency of improving material With optimization dry materials effect.

The heating dish is big heating dish 11 and small heating dish 12；Big heating dish 11 and small heating dish 12 are successively by supporting Frame is fixed on the warehouse in dryness storehouse 1, and small heating dish 12 is installed below in big heating dish 11.

The transmission shaft 3 passes through the bearing arrangement installed on the warehouse in 1 lower end storehouse of dryness storehouse, the upper end of transmission shaft 3 Into the inside in dryness storehouse 1, transmission shaft 3 passes through the interstitial hole of heating dish.Bearing arrangement supporting bracket transmission shaft 3, ensure The stability of transmission shaft 3.

The junction of the transmission shaft 3 and 1 warehouse of dryness storehouse by storehouse outside sealing device sealing is fixed.

1 outer space of dryness storehouse by sealing device dynamic sealing in 3 rotary course of transmission shaft, when drying material in vacuum Gas can not enter the inside of dryness storehouse 1 by the junction of transmission shaft 3 and 1 warehouse of dryness storehouse.

Multiple groups raking arm device 5, one group of raking arm device 5 corresponding one are fixedly installed on transmission shaft 3 in the dryness storehouse 1 A heating dish.

The variable speed electric motors, particularly 2 is connect with the lower end of transmission shaft 3, and variable speed electric motors, particularly 2 drives 3 rotary motion of transmission shaft, raking arm Device 5 is the same as transmission shaft 3 together rotary motion.

Such as Fig. 2, raking arm device 5 shown in Fig. 3 includes fixed frame 7, heating device 8, raking arm 13, rake leaf 16, deflector 14.

The rake leaf 16 is fixedly mounted on the lower section of raking arm 13, harrows the connection type of leaf 16 and raking arm 13 and the disk of routine Formula drier is the same.

The heating device 8 is connected and fixed by the raking arm 13 of fixed frame 7 and adjacent two sides and is integrated.

The length of the fixed frame 7 is 80mm.

The face shaping of the heating device 8 is sector, and heating device 8 is mounted on the close the inside on raking arm device 5 Be small end, be big end close to outside.

13 one end of raking arm of the raking arm device 5 is fixed on transmission shaft 3, and the small end of heating device 8 passes through fixed frame 7 It is fixed on transmission shaft 3, raking arm device 5 and transmission shaft 3 are connected to one.

The deflector 14 includes stock guide 29, pressing plate 27.Pressing plate 27 is in the upper surface of stock guide 29, pressing plate 27 and guide Plate 29 is integrated.

The appearance of the deflector 14 is " shape.

The pressing plate 27 plays sheeted product and can not up move, and material heap 24 is under the suppression of pressing plate 27 by leading Flitch 29 carries out water conservancy diversion and paves, and the material of material heap 24 paves in the disk 23 of heating dish.

The deflector 14 is on the side plate in face of the heating device 8 of material side of fixed heating device 8；Deflector 14 30 length of lower end for extending the stock guide 29 of 8 lower end surface 28 of heating device are 20mm.

As the length of the deflector 14 with the length of the side plate of heating device 8 is.

The deflector 14 paves the material heap 24 that leaf 16 pushes into is harrowed in the disk 23 for being covered on heating dish.

The lower end of the rake leaf 16 is attached in the disk 23 of heating dish；The lower end 30 of deflector 14 and the disk of heating dish Spacing height between 23 is equal in the disk 23 of heating dish to dry material thickness 15.

Material bed surface on the lower end surface 28 of the heating device 8 of the raking arm device 5 and the disk 23 of heating dish Distance be 18mm, convenient for heating device 8 generate thermal energy by heat radiation conduction on material.

The upper end of the transmission shaft 3 is equipped with conduit 25, and the lower end of transmission shaft 3 and conduit 25 is to be fixed as one , conduit 25 is with transmission shaft 3 together synchronous rotary.

The power supply line of the heating device 8 is through in the pipe of the conduit 25 of 3 upper end of transmission shaft, the electricity of heating device 8 Source line is with transmission shaft 3 and conduit 25 together synchronous rotary；The power supply line of heating device 8 connects upper drying by brush joint Power supply outside storehouse 1.

After the power supply line of the heating device 8 connects electricity, the thermal energy that heating device 8 generates is being added by heat radiation conduction On material in hot plate disk 23.

Such as Fig. 1, Fig. 2, Fig. 3, heating device 8 shown in Fig. 4 is electric boiling plate 19.

The electric boiling plate 19 includes heating plate, heat-conducting work medium 18, electric heating tube 17；Heat-conducting work medium 18 and electric heating tube 17 are mounted on the inside of heating plate.

It is connected and fixed between the bottom plate and top plate of the heating plate by metal strip.Installation of the metal strip in heating plate is not Influence the flowing of heat-conducting work medium 18.

By the heating plate that metal strip is fixed ensured heating plate will not the high pressure negative pressure inside dryness storehouse 1 cause heating plate The deformation of protrusion or recess.Heat-conducting work medium 18 is conduction oil.

The distance on the lower end surface 28 of the heating plate and the material bed surface in the disk 23 of heating dish is 18mm, just It is conducted on material in the thermal energy that heating plate generates by heat radiation.

When the power supply line of the heating plate is with transmission shaft 3 together synchronous rotary, the power supply outside dryness storehouse 1 is driven by electricity Connector is powered to the power supply line of the electric heating tube 17 in electric boiling plate 19.

After the electric wire of the electric heating tube 17 connects electricity, the thermal energy that electric heating tube 17 generates is to the thermally conductive work in heating plate Matter heat thermally conductive；The object in heating dish disk 23 is conducted in the thermal energy heat radiation that heat-conducting work medium in electric boiling plate 19 carries On material.

The workflow that the stirring of raking arm device 5 paves is as follows:

One, several rake leaves 16 being mounted on raking arm 13, rake leaf 16 is under the drive of raking arm 13 along the disk 23 of heating dish Upper rotation, material is tangential along rake leaf 16 and vertical direction moves, and rake 16 back of leaf is the deflector 14 installed on heating device 8, Deflector 14 controls pave area of the material in disk 23.

Two, the rake leaf 16 of raking arm 13 pushes the material of the front, guidance guide functions of the material pushed in rake leaf 16 Under, material is polymerized to along the side of rake leaf 16 in asymmetric cyclic annular material heap 24.

Three, material is polymerized to pave in asymmetric material heap 24 by the water conservancy diversion of deflector 14 in the side edge of rake leaf 16, low The material in space exceeded water conservancy diversion by the mobile past of lower end 30 of deflector 14 between the lower end of deflector 14 30 and disk 23 The mobile past of lower end 30 that the material of 14 lower end 30 of plate is had no idea through deflector 14.

Four, exceed the material of 14 lower end 30 of deflector under the guidance guide functions of deflector 14, exceed under deflector 14 The material at end 30 is mobile to the two sides of deflector 14, higher than the lower end 30 of deflector 14 material during mobile to two sides Successively sedimentation is gone down, and the material that sedimentation goes down to be in the space between the lower end of deflector 14 30 and disk 23 passes through deflector 14 The mobile past below lower end 30.

Five, the material of material heap 24 is covered on the disk 23 of heating dish under the action of paving by the guidance water conservancy diversion of deflector 14 On, effective heating surface (area) (HS > 85% of the disk 23 of heating dish, the normal efficiency for improving the heating dish of pan dryer plays.

The dry materials workflow of the pan dryer of double-layer heating:

One, it is conveyed in the big heating dish 11 of 1 internal upper part first layer of dryness storehouse, is become by the feed inlet 9 of dryness storehouse 1 to dry material Speed motor 2 drives transmission shaft 3 to rotate, and transmission shaft 3 rotates with raking arm device 5, impetus of the material in rake leaf 16 The lower disk 23 that big heating dish 11 is flowed through along index helix, inward turning is mobile and from centre inwards for material in big heating dish 11 Interstitial hole is fallen into the small heating dish 12 of next layer；Material in small heating dish 12 is transplanted on small heating dish by outward turning water conservancy diversion of stirring 12 outer rim, and 11 outer rim of big heating dish of lower section is fallen in the outer rim of small heating dish 12；Big heating dish 11 and small heating dish 12 It arranges alternatively up and down, material is able to inward turning or outward turning continuously flows through the dryness storehouse 1 of entire pan dryer.

Two, the material in the disk 23 of heating dish is covered under the action of the water conservancy diversion for harrowing leaf 16 and deflector 14 paves adds In the disk 23 of hot plate.Material produces displacement and stirs and paves under the guide functions of stirring of rake leaf 16 and deflector 14, improves The drying uniformity of material moisture, effective heating surface (area) (HS > 85% of the disk 23 of heating dish improve heating dish and normally imitate The performance of energy.

Three, after the heating equipment heating that heat-conducting medium passes through peripheral hardware, the heat-conducting medium for carrying thermal energy passes through the heat of heating dish Energy import enters in heating dish, and the thermal energy that heat-conducting medium carries is transmitted in the disk 23 of heating dish, thermally conductive Jie in heating dish The thermal energy that matter carries carries out thermally conductive heating to the material in the disk 23 of heating dish.

Four, after the power supply line of electric boiling plate 19 connects electricity, the thermal energy that electric boiling plate 19 generates is being added by heat radiation conduction On material in hot plate disk 23.

Five, the material in heating dish disk 23 is heated the thermally conductive heating simultaneously up and down of disk and electric boiling plate 19, increases The heat intensity up and down of material, improves dry materials speed.

Six, the moisture generated when dry materials in dryness storehouse 1 is discharged by the exhaust outlet 6 of dryness storehouse 1；In dryness storehouse 1 Nethermost small heating dish 12 on it is dry after material dryness storehouse 1 is discharged by the discharge port 10 of dryness storehouse 1.

Embodiment 2:

Such as Fig. 1, Fig. 2, Fig. 3, Fig. 5, a kind of pan dryer of double-layer heating shown in Fig. 7, including dryness storehouse 1, speed change Motor 2, bracket 4, heating dish, transmission shaft 3, raking arm device 5, air inlet discharge device 36.

Such as Fig. 1, Fig. 2, the pan dryer and embodiment 1 of the double-layer heating of the present embodiment 2 shown in Fig. 7 are introduced double The something in common of the structure of the pan dryer of layer heating just no longer repeats introduction.

The dryness storehouse 1 includes feed inlet 9, discharge port 10, exhaust outlet 6.

Air inlet discharge device 36 as shown in Figure 8 includes tee tube 33, ventilating fan 31, wind stopping device 34, drainage conduit 35.

There are import, air inlet, outlet on the tee tube 33.

There is flange 32 in the import of the tee tube 33, air inlet discharge device 36 is fixed by the flange 32 on tee tube 33 On the discharge port 10 of dryness storehouse 1.

The ventilating fan 31 is mounted on the air inlet of tee tube 33, and ventilating fan 31 is centrifugal fan.

The wind stopping device 34 is mounted in the outlet of tee tube 33, and wind stopping device 34 is used for the object of dryness storehouse discharge outlet Material carries out high airtight discharge.

The dried material that the wind stopping device 34 is discharged is come in transmission belt by 35 boundling of drainage conduit, convenient for the object after drying Material concentrates conveying.

The wind stopping device 34 has ensured that air of the material in discharging process outside dryness storehouse 1 can not be by wind stopping device 34 Leak into dryness storehouse 1.

Such as Fig. 7, the pan dryer of double-layer heating shown in Fig. 8 when implementing convective drying technique, dryness storehouse 1 into Wind stopping device is installed to feed in material mouth 9.

The air inlet discharge device 36 is mounted on the discharge port 10 of dryness storehouse 1.

Air exhauster is installed to be vented on the exhaust outlet 6, air exhauster is axial fan.

When installing air inlet discharge device 36 on the discharge port of dryness storehouse 1, the cold air outside 1 storehouse of dryness storehouse is by ventilating fan 31 Blow pressure enters in dryness storehouse 1；Cold air enters in dryness storehouse 1 through the discharge port 10 of dryness storehouse 1.

Cold air to the high-temperature material after the drying at the discharge port 10 of dryness storehouse 1 play it is cooling use, Cryogenic air Become hot-air after absorbing the high temperature on material, the hot-air after heating plays gasification when carrying dry materials in dryness storehouse 1 Dryness storehouse 1 is discharged in the effect of the moisture of generation, the moisture that the air exhauster on 1 exhaust outlet 6 of dryness storehouse carries hot-air.

Such as Fig. 1, Fig. 2, Fig. 3, Fig. 5, heating device 8 shown in Fig. 7 is infrared heating device 22.

The deflector 14 is fixed on the fixed frame 7 between heating device 8 and raking arm 13.

Infrared heating device 22 includes infrared generator 20, reflector 21, frame 26.

The frame 26 is the metal frame of metal production.

The arrangement of reflector 21 is fixed on the frame 26.

The infrared generator 20 is mounted in the cover of reflector 21.

The infrared generator 20 is fixed on reflector 21, and the power supply line of multiple infrared generators 20 is connected as One.

There is insulating layer in the outside of the reflector 21 to keep the temperature.

The infrared generator 20 is tungsten wire infrared ray bulb.

Material below the infrared generator 20 of the infrared heating device 22 and in the disk 23 of heating dish The distance on the surface of layer is 15mm, is conducted on material convenient for the thermal energy that infrared generator 20 generates by heat radiation.

Electricity when power supply line on the infrared generator 20 is with transmission shaft 3 together synchronous rotary, outside dryness storehouse 1 Connector is driven by brush joint or electricity and is powered to the power supply line of infrared generator 20 in source.

After the electric wire of the infrared generator 20 connects electricity, the thermal energy that infrared generator 20 generates passes through heat radiation Conduction is on the material in heating dish disk 23.

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 (6)

1. a kind of pan dryer of double-layer heating, including dryness storehouse (1), variable speed electric motors, particularly (2), bracket (4), heating dish, transmission Axis (3), raking arm device (5), air inlet discharge device (36)；It is characterized by: the pan dryer of double-layer heating can be according to object The demand of the drying quality of material selects vacuum drying process or convective drying technique；

The dryness storehouse (1) is fixed on the ground by bracket (4)；

The dryness storehouse (1) includes feed inlet (9), discharge port (10), exhaust outlet (6)；

The heating dish is big heating dish (11) and small heating dish (12), big heating dish (11) and small heating dish (12) successively by Support frame is fixed on the warehouse in dryness storehouse (1)；

The raking arm device (5) includes fixed frame (7), heating device (8), raking arm (13), rake leaf (16), deflector (14)； Rake leaf (16) is fixedly mounted on the lower section of raking arm (13), and heating device (8) passes through the raking arm (13) of fixed frame (7) and adjacent two sides It is connected and fixed and is integrated；

The deflector (14) includes stock guide (29), pressing plate (27)；Pressing plate (27) and stock guide (29) are integrated；

The deflector (14) is fixed heating device (8) in face of on the side plate of the heating device (8) of material side, deflector (14) it is either fixed on the fixed frame (7) between heating device (8) and raking arm (13)；

Lower end (30) length that the deflector (14) extends the stock guide (29) of heating device (8) lower end surface (28) is 10—45mm；Material heap (24) carries out water conservancy diversion by stock guide (29) under the suppression of pressing plate (27) and paves；

Raking arm (13) one end of the raking arm device (5) is fixed on transmission shaft (3), and the small end of heating device (8) passes through solid Determine frame (7) to be fixed on transmission shaft (3), raking arm device (5) and transmission shaft (3) are connected to one；

The lower end of the rake leaf (16) is attached in the disk (23) of heating dish, the lower end (30) of deflector (14) and heating dish Spacing height between disk (23) is equal in the disk (23) of heating dish to dry material thickness (15)；

The upper end of the transmission shaft (3) is equipped with conduit (25)；

The power supply line of the heating device (8) is through in the pipe of the conduit (25) of transmission shaft (3) upper end, heating device (8) Power supply line as synchronous rotary, the power supply line of heating device (8) pass through brush joint together for transmission shaft (3) and conduit (25) Or electricity drives connector and connects the upper power supply of dryness storehouse (1) outside；

The variable speed electric motors, particularly (2) is connect with the lower end of transmission shaft (3), and variable speed electric motors, particularly (2) drives transmission shaft (3) rotary motion； Raking arm device (5) same to transmission shaft (3) rotary motion together, material in the rake leaf (16) of raking arm device (5), turn over by deflector (14) It stirs under guide functions to produce displacement and stir and pave,

The heating device (8) is electric boiling plate (19) or infrared heating device (22)；

The air inlet discharge device (36) includes tee tube (33), ventilating fan (31), wind stopping device (34), drainage conduit (35)；

The heat-conducting medium for carrying thermal energy is entered in heating dish by the thermal energy import of heating dish, and the heat-conducting medium in heating dish carries Thermal energy carry out thermally conductive heating to the material in the disk (23) of heating dish；After the power supply line of heating device (8) connects electricity, heating The thermal energy that device (8) generates is conducted on the material on heating dish disk (23) by heat radiation, in heating dish disk (23) Material is heated the thermally conductive heating simultaneously up and down of disk and heating device (8).

2. a kind of pan dryer of double-layer heating according to claim 1, it is characterised in that: the length of fixed frame (7) It is 50-180mm.

3. a kind of pan dryer of double-layer heating according to claim 1, it is characterised in that: outside heating device (8) Seeing shape is sector, and it is small end that heating device (8), which is mounted on raking arm device (5) close to the inside, and what it is close to outside is big end.

4. a kind of pan dryer of double-layer heating according to claim 1, it is characterised in that: under heating device (8) The distance on the material bed surface in the disk (23) of end face (28) and heating dish is 8-50mm.

5. a kind of pan dryer of double-layer heating according to claim 1, it is characterised in that: electric boiling plate (19) includes Heating plate, heat-conducting work medium (18), electric heating tube (17)；Heat-conducting work medium (18) and electric heating tube (17) are mounted on the interior of heating plate Portion；After the electric wire of electric heating tube (17) connects electricity, the thermal energy that electric heating tube (17) generates is to the heat-conducting work medium (18) in heating plate Heat thermally conductive；The thermal energy that heat-conducting work medium (18) in electric boiling plate (19) carries is conducted by heat radiation in heating dish disk (23) on the material on.

6. a kind of pan dryer of double-layer heating according to claim 1, it is characterised in that: infrared heating device It (22) include infrared generator (20), reflector (21), frame (26)；Reflector (21) arrangement is fixed on frame (26), Infrared generator (20) is mounted in the cover of reflector (21)；After the electric wire of infrared generator (20) connects electricity, infrared ray The thermal energy that generator (20) generates is conducted on the material on heating dish disk (23) by heat radiation.