CN110375523A - Three vacuum dryers of internal heating type - Google Patents

Three vacuum dryers of internal heating type Download PDF

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Publication number
CN110375523A
CN110375523A CN201810334623.0A CN201810334623A CN110375523A CN 110375523 A CN110375523 A CN 110375523A CN 201810334623 A CN201810334623 A CN 201810334623A CN 110375523 A CN110375523 A CN 110375523A
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CN
China
Prior art keywords
heat
pipe
dryness storehouses
cylinder
thermal energy
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Application number
CN201810334623.0A
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Chinese (zh)
Inventor
郭银浦
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Mengzhou Yuanhong Drying Equipment Research and Development Co Ltd
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Mengzhou Yuanhong Drying Equipment Research and Development Co Ltd
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Priority to CN201810334623.0A priority Critical patent/CN110375523A/en
Publication of CN110375523A publication Critical patent/CN110375523A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/16Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

A kind of three vacuum dryers of internal heating type of the present invention include three dryness storehouses, feeding device, discharge device, support roller, bracket, driving device, gear ring, raceway, spiral heating device, online moisture tester, drive set controller.Feeding device is mounted on the feed inlet of three dryness storehouses;Discharge device is mounted on the discharge port of three dryness storehouses.Spiral heating device is mounted in three dryness storehouses;Spiral heating device includes heat pipe, heat conducting pipe.The thermal energy that heat-conducting medium carries is transmitted on the material around spiral heating device by spiral heating device, the work shift that bellows elbow allows to generate under rated load effect.Driving device sets different revolving speeds by the program of setting according to drive set controller to drive the rotation of three dryness storehouses.Material must also obtain uniform stirring in the propulsion whipping process of spiral heating device and helical blade, and the drying uniform moisture degree of material is also improved.

Description

Three vacuum dryers of internal heating type
Technical field
The present invention relates to a kind of three-cylinder drier, especially a kind of three vacuum dryers of internal heating type.
Background technique
In the processings fields such as present grain, food, chemical industry, medicine, agricultural and sideline product, herbage, need in vacuum condition Under processing is thermally dried to material;Mostly dryness storehouse heat exchange of roller drying machine currently on the market is calandria heat dissipation, or Person is to need to install additional heating cabinet outside three dryness storehouses, and heating tank gives the thermally conductive heating of cylinder of three dryness storehouses, and thermal energy passes through two Secondary heat exchange just can be used.Therefore, the cost of manufacture in roller drying storehouse is high, and structure is complicated, and production difficulty is big, wherein radiator body Product is big, and heat dissipation area is small, and thermal energy service efficiency is low;Heat exchange of heat pipe high failure rate in roller drying machine use process, is not easy to tie up It repairs.The revolving speed of three dryness storehouses be it is constant, can not according to the dry condition of material adjust three dryness storehouses revolving speed.
For three dryness storehouses in rotary course, the inlet port and outlet port of three dryness storehouses can generate position up and down It moves, the feeding and discharging device being connected on three dryness storehouses can also shake as the inlet port and outlet port of three dryness storehouses are synchronous together Dynamic, the shakings Influence of Displacement feeding and discharging device of three dryness storehouses and three dryness storehouses are fixedly connected, cause feeding and discharging device with Connection damage, leakage and gas leakage between the inlet port and outlet port of three dryness storehouses.
Summary of the invention
The problem to be solved in the present invention is to overcome the shortcomings of the prior art, provides a kind of three vacuum of internal heating type Dryer.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of three vacuum bakings of internal heating type Dry machine includes three dryness storehouses, feeding device, discharge device, support roller, bracket, driving device, gear ring, raceway, spiral heating Device, online moisture tester, drive set controller.
The spiral heating device is mounted in three dryness storehouses.
The feeding device is mounted on the feed inlet of three dryness storehouses;Discharge device is mounted on going out for three dryness storehouses In material mouth.
The outer diameter of three dryness storehouses is 2800-4500mm;The length of three dryness storehouses 1 is 5800- 12000mm。
There is gear ring on three dryness storehouses, it is integrated that gear ring and three dryness storehouses, which are fixedly connected,.
There is raceway on three dryness storehouses;It is integrated that raceway and three dryness storehouses, which are fixedly connected,.
The support roller supporting bracket the raceway on three dryness storehouses.
The driving device is motor or hydraulic motor.
In order to improve driving device effect, gearbox can be mixed and applied together;Driving device is also possible to motor and change Fast case or hydraulic motor and gearbox.
The driving wheel occlusion of the driving device drives the gear teeth for the gear ring fixed on three dryness storehouses, gear ring Drive three dryness storehouses.
Under driving device induced effect, three dryness storehouses are support by support roller and are revolved on support roller three dryness storehouses Transhipment is dynamic.
The online moisture tester is mounted on the cylinder in three dryness storehouses, and drive set controller is mounted on drive On dynamic device.
The drive set controller, which refers to according to resistance value in predetermined order change circuit, controls driving device The main of speed regulation enables device, or refers to according to resistance value in predetermined order change circuit the control for controlling the speed regulation of driving device System.
The online moisture tester is 1-5.
The online moisture tester is played the role of being the outer cylinder for testing three dryness storehouses, in inner cylinder and middle cylinder Material moisture in the material of different location.
The online moisture tester, which will collect moisture signal and be converted into electronic signal, delivers into driving device control In device processed, drive set controller regulates and controls the revolving speed of driving device by the program of setting.
The driving device sets different revolving speeds by the program of setting according to drive set controller to drive The rotation of three dryness storehouses.
Material moisture when the dry in-bin drying of described three is high, and the revolving speed of three dryness storehouses more slowly, increases material Drying time;Material moisture when dry is low, and the revolving speed of three dryness storehouses is quicker, improves the velocity of discharge of material, reduces The drying time of material.
The rotation that the driving device controls three dryness storehouses increases the drying efficiency of material.
The face shaping of three dryness storehouses is cylindric.
There are discharge port and feed inlet on three dryness storehouses.
The discharge port of three dryness storehouses is also the discharge port of outer cylinder, and the feed inlet of three dryness storehouses is also inner cylinder Feed inlet.
One end of three dryness storehouses is cone cell, and the other end is plane;There is charging in one end of three dryness storehouse cone cells Mouthful, there is discharge port in one end of plane.
The spiral heating device includes heat pipe, heat conducting pipe.
The heat conducting pipe is the pipe of metal production, and heat conducting pipe is by the processing modelling of bending machine, and heat conducting pipe is in the shape of a spiral Arrangement.The heat conducting pipe of helical arrangement can reduce the stress of heat conducting pipe caused by thermal expansion difference, to suitably increase The anti-performance expanded with heat and contract with cold of strong heat conducting pipe.
The diameter of the heat conducting pipe is 35-68mm, and the length of heat conducting pipe is 2000-28000mm.
The heat conducting pipe has thermal energy import and thermal energy outlet.
The diameter of the heat pipe is 40-75mm, and the height of heat pipe is 300-800mm.
The heat pipe includes metal tube, heat-conducting work medium, fin.Fin is fixed on the tube wall exterior of metal tube, fin and Metal tube is integrated;Heat-conducting work medium is in the pipe for the metal tube that both ends seal.
What the thermally conductive heat exchange of the heat-conducting work medium in the heat pipe utilized is heat pipe for thermal conductivity technology, and thermal energy is by thermally conductive work " liquid-gas phase transition " of matter carrys out thermally conductive heat exchange.
The bottom end of the heat pipe is concave shape;The concave shape bottom end of heat pipe is fitted in the pipe of heat conducting pipe above, heat pipe Bottom end is fixed by welding on the pipe face of heat conducting pipe, and the bottom end of heat pipe and heat conducting pipe are fixed as one.
Concave shape bottom end of the thermal energy that heat-conducting medium in the heat conducting pipe pipe carries by heat transfer to heat pipe carries out Thermally conductive heating.
The bottom end of the heat pipe is the evaporator section of heat-conducting work medium, and the tube wall of metal tube is the condensation segment of heat-conducting work medium.
The adjacent spacing between heat pipe and heat pipe on the heat conducting pipe is 50-120mm.
Fixation is respectively welded by metal strip in the top of the heat pipe, is fixedly connected with branch by metal strip between heat pipe and heat pipe Support.The bottom end of heat pipe and the connection solidness of heat conducting pipe are increased by the fixed heat pipe of metal strip support, reduces metal tube Bottom end be detached from the hidden danger of heat conducting pipe under the effect of external force, improve the service life of heat pipe.
The heat pipe is an individual integral solder in the outside of heat conducting pipe, and being fixed on for heat pipe arrangement is spiral helicine On heat conducting pipe;The inside of heat pipe and the inside of heat conducting pipe are not communicated with;Leakage is generated when damage occurs in a certain heat pipe, not shadow Ring the use of entire spiral heating device and three dryness storehouses.
The spiral heating device is mounted in three dryness storehouses, and the heat conducting pipe of spiral heating device is fixed on three and does On the cylinder in dry storehouse.
The discharge port of the outer cylinder is also the discharge port of three dryness storehouses, and the feed inlet of inner cylinder is also three dryness storehouses Feed inlet.
The thermal energy import of the heat conducting pipe of the spiral heating device of the outer cylinder is extended from the centre of the discharge port of outer cylinder It goes;The thermal energy outlet of the heat conducting pipe of the spiral heating device of inner cylinder is extended out from the centre of the feed inlet of inner cylinder.
The spiral heating device spirally arranged can give the thermally conductive heating of material, can also play in dry materials The effect push ahead material when work, stirred;Material must also obtain in the propulsion whipping process of spiral heating device The drying uniform moisture degree of uniform stirring, material is also improved.
Three dryness storehouses include inner cylinder, outer cylinder, middle cylinder, middle cylinder baffle, outer cylinder baffle, helical blade.
The inner cylinder of three dryness storehouses, outer cylinder, middle cylinder, the making material of outer cylinder baffle are 2-12mm metal plates.
The helical blade is fixed on inner cylinder, outer cylinder, on the cylinder in middle cylinder.
It installs helical blade and is fixed on inner cylinder, outer cylinder, middle cylinder;By inner cylinder in the inside of middle cylinder, middle cylinder is in the outer of outer cylinder Face;The concentric outer cylinder of three different-diameters, middle cylinder, inner cylinder is according to certain mathematical relationship and structure type, phase build-in each other Surely it is composed.
Processing and fabricating is good outside for the spiral heating device, then being easily installed in spiral heating device entirety Inner cylinder, outer cylinder, the inside of middle cylinder, such spiral heating device production is simple, and handling ease reduces the difficulty of processing of worker, Improve the processing and manufacturing speed of three dryness storehouses.The spiral heating device processed is also convenient for being mounted on inner cylinder, outer cylinder, middle cylinder It is interior.
Inner cylinder of the heat conducting pipe of the spiral heating device in three dryness storehouses, outer cylinder are sequentially connected in series in middle cylinder.
The thermal energy import of the heat conducting pipe of spiral heating device in the outer cylinder extends the discharge port of source outer cylinder, outer cylinder The middle cylinder thermal energy of the heat conducting pipe of the spiral heating device of the outer cylinder thermal energy outlet and middle cylinder of the heat conducting pipe of interior spiral heating device Import fixation is connected together.The spiral heating of middle cylinder the thermal energy outlet and inner cylinder of the heat conducting pipe of spiral heating device in middle cylinder The inner cylinder thermal energy import fixation of the heat conducting pipe of device is connected together.The thermal energy of the heat conducting pipe of the spiral heating device of inner cylinder exports Extend the feed inlet of source inner cylinder.
The heat-conducting medium for carrying thermal energy enters three by the heat conducting pipe of the spiral heating device of the discharge outlet of three dryness storehouses Inside the spiral heating device of cylinder dryness storehouse, heat-conducting medium passes sequentially through the inner cylinder of three dryness storehouses, and the spiral of outer cylinder, middle cylinder adds Thermal, the heat-conducting medium after heat dissipation are discharged three by the heat conducting pipe of the spiral heating device of the feed inlet of three dryness storehouses and do The spiral heating device in dry storehouse.
The outer cylinder of three dryness storehouses, middle cylinder, the inside of inner cylinder are intercommunications.
Outer cylinder cylinder at the outer cylinder feed inlet of the outer cylinder by outer cylinder baffle and the feed inlet of inner cylinder internal barrel Body sealing is fixed together.
The middle cylinder cylinder of the middle cylinder discharge outlet of the middle cylinder is fixed together by middle cylinder baffle, the surrounding of middle cylinder baffle It is fixed together with the middle cylinder cylinder at the middle cylinder feed inlet of middle cylinder.
The making material of the middle cylinder baffle is the metal plate for having air hole.
The aperture of the air hole of the middle cylinder baffle is 1-10mm.The aperture design of air hole should be less than material Diameter avoids spilling for material.The middle cylinder baffle that the metal plate of air hole can be improved in the gas of outer cylinder discharge outlet enters In inner cylinder, three dryness storehouses are discharged by exhaust pipe in the gas in inner cylinder.
The feeding device includes wind stopping device, bellows elbow, bump joint, sealing device, exhaust pipe, dynamic sealing dress It sets.
The bellows elbow is made of metal bellows.
The dynamic sealing device is fixed on bellows elbow.
The exhaust pipe is fixed on bellows elbow, what exhaust pipe and bellows elbow were connected to one;Three In cylinder dryness storehouse rotary course, the connection of exhaust pipe and elbow is that fixing seal is air-locked.
It inside the pipe of the exhaust pipe and is ventilation inside bellows elbow, gas when dry materials in three dryness storehouses Change the moisture generated to be gone out by exhaust pipe by vacuum pump set pump drainage.
The vacuum pump set by condenser and vacuum pump group at.Condenser plays water caused by condensation dry materials and steams Gas after the condensable gas of vapor is condensed into water, reduces much not the volume of condensable gas, can reduce vacuum in this way The power of pump, the thermal energy for condensing generation can also be obtained again using achieving the effect that UTILIZATION OF VESIDUAL HEAT IN, energy-saving and emission-reduction.Vacuum Pump is used to extract the moisture generated when gas and dry materials in the storehouses of three dryness storehouses.
The bump joint of the feeding device is fixedly connected on the feed inlet of three dryness storehouses, bump joint and three It is connected to one on the feed inlet of dryness storehouse.
The elbow of bellows elbow exports between bump joint by sealing device come dynamic sealing connection;Wind stopping device is by propping up Frame support is fixed;The lower end of wind stopping device is fixedly connected in the elbow import of bellows elbow.
When three dryness storehouses rotate under the driving effect of driving device, bump joint is with three dryness storehouses Feed inlet synchronous rotary together.
When bump joint is with three dryness storehouse synchronous rotaries, bellows elbow and exhaust pipe are fixed, ripples The elbow of pipe bend exports the dynamic sealing between bump joint by sealing device, does not generate gas leakage;Wind stopping device and flange By bellows elbow fixed seal connection between connector.
The sealing device is dynamic sealing device or device for sealing magnetic fluid.
The discharge device includes wind stopping device, bellows elbow, bump joint, sealing device, dynamic sealing device.
The dynamic sealing device is fixed on bellows elbow.
The bump joint of the discharge device is fixedly connected on the discharge port of three dryness storehouses, bump joint and three It is connected to one on the discharge port of dryness storehouse;Between the elbow import of bellows elbow and bump joint by sealing device Lai Dynamic sealing connection.
The wind stopping device is supported by bracket and is fixed;The upper end of wind stopping device is fixedly connected with the elbow outlet of bellows elbow On.
When three dryness storehouses rotate under the driving effect of driving device, bump joint is with three dryness storehouses one Play synchronous rotary.
When the bump joint is with three dryness storehouse synchronous rotaries, bellows elbow is fixed, bellows By the dynamic sealing of sealing device between the elbow import of elbow and bump joint, gas leakage is not generated;Wind stopping device and flange connect By bellows elbow fixed seal connection between head.
The bellows elbow is made of metal bellows.
For the bellows elbow as elastic packing part, the connection between wind stopping device and bump joint is curved by bellows Head fixing seal.
Under the turning effort of three dryness storehouses, when bump joint is with three dryness storehouse synchronous rotaries, three dryness storehouses Feed inlet and outlet can generate the displacement up and down such as axial displacement, angular displacement and lateral displacement;Bellows elbow is ined succession method Synchronous shift, bellows elbow connect the bellows of one end of blue connector with the displacement of the feed inlet and outlet of three dryness storehouses and together The bellows of one end of wind stopping device be fixed.
The bellows elbow is connected to the working position that one end of bump joint allows to generate under rated load effect It moving, bellows elbow has ensured the fixed seal connection between wind stopping device and bump joint in three dryness storehouse rotary courses, It avoids three displacement vibrations between dryness storehouse and wind stopping device to cause to leak, gas is avoided to enter in three dryness storehouses.
The wind stopping device is high airproof wind stopping device;What high airproof wind stopping device played is conveying discharge and partition lock gas Effect, reduce and reduce the air leakage amount that the gas outside storehouse enters in three dryness storehouses, reducing air leakage amount reduces vacuum pump set Operating power.
The sealing device is dynamic sealing device or device for sealing magnetic fluid.
The discharge of the discharge outlet of three dryness storehouses is extended in the thermal energy import of the heat conducting pipe of the spiral heating device The thermal energy import of the bellows elbow of device 2, heat conducting pipe is connected on the heating device of peripheral hardware by thermal energy conduit, and peripheral hardware adds Heat-conducting medium after thermal heating enters the inside of spiral heating device by thermal energy conduit through the thermal energy import of heat conducting pipe.
Extend the charging at the feed inlet of three dryness storehouses in the thermal energy outlet of the heat conducting pipe of the spiral heating device The bellows elbow of device;The thermal energy outlet of the heat conducting pipe of spiral heating device is filled by the heating that thermal energy conduit is connected to peripheral hardware It sets;Heat-conducting medium after heat dissipation is heated again by the heating device of peripheral hardware, and the heat-conducting medium after heating passes through thermal energy conduit Thermal energy import through heat conducting pipe enters the inside of spiral heating device.
Extend the heat conducting pipe of bellows elbow and the junction of bellows elbow by dynamic sealing device dynamic sealing, leads Heat pipe rotate while, bellows elbow be it is fixed, the junction of heat conducting pipe and bellows elbow is sealed air-tight 's.
The junction of the heat conducting pipe and bellows elbow, come dynamic sealing, can be existed by dynamic sealing device to avoid air The junction of heat conducting pipe and bellows elbow is leaked into three dryness storehouses.
The thermally conductive of spiral heating device, heat exchange, the workflow of heat dissipation are as follows.
One, after the heating devices heat that heat-conducting medium passes through peripheral hardware, the heat-conducting medium that carry thermal energy passes through heat conducting pipe Thermal energy import enters in heat conducting pipe, and the heat-conducting medium after heat dissipation passes through thermal energy by the thermal energy outlet discharge heat conducting pipe of heat conducting pipe The heating device that conduit is again introduced into peripheral hardware heats again, and what heat-conducting medium recycled always carries out in heating device and heat conducting pipe Heating, it is thermally conductive, heat exchange.
Two, when spiral heating device and three dryness storehouses rotate simultaneously, when the bottom end of heat pipe is downward, thermal energy is released Gasiform heat-conducting work medium is condensed into the bottom end that liquid heat-conducting work medium flows to heat pipe along the tube wall of heat pipe, leading in heat pipe After hot working fluid flows to bottom end, tube wall of the thermal energy through heat conducting pipe that the heat-conducting medium in heat conducting pipe pipe carries is by heat transfer to heat The bottom end of pipe carries out thermally conductive heating;Thermal energy in heat conducting pipe is by the spill bottom end of heat pipe to the liquid thermally conductive work in heat pipe Matter provides thermal energy.The liquid heat-conducting work medium of heat pipe bottom end by heat-conducting medium in heat conducting pipe energy heats and phase transformation gas The heat-conducting work medium of body shape, " liquid gas phase transition " thermally conductive heat exchange that heat-conducting work medium loops back and forth like this.
Three, gasify after the thermally conductive heating that the liquid heat-conducting work medium of bottom end passes through the thermal energy on heat conducting pipe in heat pipe, Heat-conducting work medium after gasification moves in the inner cavity of heat pipe, and the heat-conducting work medium after gasification is outside by the metal tube and fin of heat pipe After heat conduction and heat radiation, the heat-conducting work medium after gasification is condensed into liquid heat-conducting work medium, condensed liquid heat-conducting work medium stream Heat gasifies again after to the bottom end of heat pipe, the thermally conductive heat exchange of thermal energy by the liquid-gas phase transition of heat-conducting work medium come thermally conductive heat exchange, Heat-conducting work medium carries out the thermally conductive heat exchange of liquid-gas phase transition in the inside of heat pipe.Thermal energy on heat pipe is given by heat transfer, heat radiation The thermally conductive heating of material around heat pipe.
Four, the thermal energy that heat-conducting medium carries passes through the heat transfer of spiral heating device, heat radiation to the object around heat conducting pipe While expecting thermally conductive heating, it can also play the role of pushing ahead material when dry materials work, stir.
Five, heat transfer, heat radiation that the thermal energy in spiral heating device passes through heat conducting pipe and the metal tube and fin of heat pipe To the material thermal conductivity heating around spiral heating device, the material in three dryness storehouses has obtained thermal energy and has carried out dry drying, Reach the material of necessary requirement water content standard.
The thermal energy that the heating device of peripheral hardware generates directly passes through the heat conducting pipe of the spiral heating device in three dryness storehouses Thermally conductive heating is carried out to material with heat pipe;Thermal energy in spiral heating device is filled by heat transfer, heat radiation to spiral heating The material for setting surrounding carries out thermally conductive heating.
Thermally conductive change is carried out in the spiral heating device being directly entered in three dryness storehouses due to the thermal energy that heating device generates Heat, three dryness storehouses outsides do not need to install heating cabinet additional, and the structure of heating tank, three dryness storehouses is simple, low manufacture cost, drying The utilization rate in place is further improved.
Thermal energy entrained by heat-conducting medium passes through in the heat conducting pipe pipe of spiral heating device in three dryness storehouses Heat transfer carries out thermally conductive heating to the concave shape bottom end of heat pipe;Thermal energy on bottom end is mentioned to the liquid heat-conducting work medium in heat pipe Thermal energy is supplied, thermal energy does not need secondary thermally conductive heat exchange, improves the thermal energy availability of thermal energy.
The energy consumption index of the conductive drying of three vacuum dryers of internal heating type is 2800-4000kj/kg, and to draining off Dry is 4000-7500kj/kg;The thermal energy availability of convective drying generally only has 20-50%, and conductive drying is in theory On can be close to 100%, the actually thermal energy availability in three vacuum dryers of internal heating type can achieve 60-80%. Conductive drying is than convective drying energy conservation 30-50% under normal circumstances, this is because the conduction of three vacuum dryers of internal heating type Drying does not need Hot-blast Heating material, small by the thermal losses for being vented lost.
Material is dry under the vacuum state in three dryness storehouses, and when material constant rate of drying reduces the boiling point of water, material The vaporization boiling temperature of middle moisture is reduced to 35 DEG C -60 DEG C from 100 DEG C, and material heating is minimum, and heat almost all is used to evaporate Hygroscopic water, when such as approaching or being less than critical moisture content, the power savings advantages of vacuum conductive drying are bigger, improve thermal energy in this way Availability reduces the total amount consumed of thermal energy.
After the inlet port and outlet port of three dryness storehouses are mounted with feeding device and discharge device, material by into Expect that device and discharge device continuously ceaselessly pass in and out three dryness storehouses, material can carry out successional vacuum drying, promote object Expect dry efficiency and optimization dry materials effect.
The vacuum drying workflow of the material of three vacuum dryers of internal heating type is as follows:
One, wind stopping device is started, the feed inlet of wind stopping device of the material by feeding device, bellows elbow, three dryness storehouses enters In three dryness storehouses.
Two, after the heating devices heat that heat-conducting medium passes through peripheral hardware, the heat-conducting medium that carry thermal energy passes through heat conducting pipe Thermal energy import enters the inside of the heat conducting pipe of the spiral heating device of three dryness storehouses, and thermal energy directly passes through heat conducting pipe and heating tube To the thermally conductive heating of material around spiral heating device.
Three, three dryness storehouses rotate under the induced effect of driving device, and online moisture tester will collect moisture letter Number being converted into electronic signal delivers into drive set controller, and drive set controller regulates and controls to drive by the program of setting The revolving speed of dynamic device, driving device set different revolving speeds by the program of setting according to drive set controller to drive three The rotation of cylinder dryness storehouse.
Four, it while thermally conductive to the material heating of spiral heating device, can also play material in dry materials work The effect push ahead, stirred.Material in three dryness storehouses has obtained the heating of thermal energy, and material carries out vacuum drying drying Afterwards, reach the material of necessary requirement water content standard.
Five, the moisture that gasification generates when dry materials in three dryness storehouses is gone out by exhaust pipe by vacuum pump set pump drainage.
Six, after dry material spiral heating device and helical blade the effect pushed ahead, it is dry after material successively By the discharge port of three dryness storehouses, the bellows elbow of discharge device, three dryness storehouses are discharged in wind stopping device.
The present invention has the advantages that compared with existing rotary-drum vacuum dryer: a kind of three vacuum bakings of internal heating type The thermal energy that the heat-conducting medium of dry machine carries is transmitted on the material around spiral heating device by spiral heating device, is improved The thermally conductive heating speed of thermal energy, the work shift that bellows elbow allows to generate under rated load effect have ensured that three are done The fixed seal connection between wind stopping device and bump joint in dry storehouse rotary course.Driving device is according to drive set controller Different revolving speeds is set by the program of setting to drive the rotation of three dryness storehouses.Material is in spiral heating device and spiral Also uniform stirring must have been obtained in the propulsion whipping process of blade, the drying uniform moisture degree of material is also improved.When certain There is damage and generates leakage in a piece heat pipe, does not influence the use of entire three dryness storehouses, reduces three vacuum of internal heating type and dries The failure rate of dry machine improves the service life of three vacuum dryers of internal heating type.
Detailed description of the invention:
Fig. 1, for the structural schematic diagram of three vacuum dryers of internal heating type of the present invention;
Fig. 2, for three vacuum dryers of internal heating type of the present invention three dryness storehouses structural schematic diagram;
Fig. 3, for three vacuum dryers of internal heating type of the present invention three dryness storehouses outer cylinder structural schematic diagram;
Fig. 4, for three vacuum dryers of internal heating type of the present invention three dryness storehouses middle cylinder structural schematic diagram;
Fig. 5, for three vacuum dryers of internal heating type of the present invention three dryness storehouses inner cylinder structural schematic diagram;
Fig. 6, for three vacuum dryers of internal heating type of the present invention spiral heating device heat conducting pipe schematic shapes;
Fig. 7, for three vacuum dryers of internal heating type of the present invention spiral heating device cross section structural schematic diagram;
Fig. 8, for three vacuum dryers of internal heating type of the present invention feeding device structural schematic diagram;
Fig. 9, for three vacuum dryers of internal heating type of the present invention discharge device structural schematic diagram.
In attached drawing figure: 1, three tin dryness storehouse, 2, discharge device, 3, feeding device, 4, spiral heating device, 5, discharge port, 6, feed inlet, 7, support roller, 8, raceway, 9, driving device, 10, thermal energy import, 11, thermal energy outlet, 12, gear ring, 13, bracket, 14, heat conducting pipe, 15, exhaust pipe, 16, flow direction of material mark, 17, outer cylinder, 18, helical blade, 19, middle cylinder, 20, outer cylinder charging Mouthful, 21, outer cylinder thermal energy import, 22, middle cylinder baffle, 23, outer cylinder baffle, 24, inner cylinder, 25, the outlet of middle cylinder thermal energy, 26, middle cylinder heat Energy import, 27, middle cylinder feed inlet, 28, middle cylinder discharge port, 29, inner cylinder discharge port, 30, inner cylinder thermal energy import, 31, heat-conducting medium, 32, metal tube, 33, bottom end, 34, heat-conducting work medium, 35, heat pipe, 36, top, 37, metal strip, 38, bellows elbow, 39, close wind Device, the outlet of 40 elbows, 41, dynamic sealing device, 42, elbow import, 43, sealing device, 44, bump joint.
Specific embodiment:
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment:
Three vacuum dryers of internal heating type as shown in Figure 1 and Figure 2 include three dryness storehouses 1, feeding device 3, discharge device 2, Support roller 7, bracket 13, driving device 9, gear ring 12, raceway 8, spiral heating device 4, online moisture tester, driving device control Device processed.
The spiral heating device 4 is mounted in three dryness storehouses 1.
The feeding device 3 is mounted on the feed inlet 6 of three dryness storehouses 1;Discharge device 2 is mounted on three dryness storehouses On 1 discharge port 5.
The outer diameter of three dryness storehouses 1 is 3000mm;The length of three dryness storehouses 1 is 8000mm.
There is gear ring 12 on three dryness storehouses 1;It is integrated that gear ring 12 is fixedly connected with three dryness storehouses 1.
There is raceway 8 on three dryness storehouses 1;It is integrated that raceway 8 is fixedly connected with three dryness storehouses 1.
7 supporting bracket of support roller the raceway 8 on three dryness storehouses 1.
The driving device 9 is motor.
The driving wheel occlusion of the driving device 9 drives the gear teeth for the gear ring 12 fixed on three dryness storehouses 1, tooth Wheel rim 12 drives three dryness storehouses 1.
Under 9 induced effect of driving device, three dryness storehouses 1 are support by support roller 7 in support roller three dryness storehouses 1 Rotary motion on 7.
The online moisture tester is mounted on the cylinder in three dryness storehouses 1, and drive set controller is mounted on In driving device 9.
The online moisture tester, which will collect moisture signal and be converted into electronic signal, delivers into driving device control In device processed, drive set controller regulates and controls the revolving speed of driving device 9 by the program of setting.
The driving device 9 sets different revolving speeds by the program of setting according to drive set controller to drive The rotation of three dryness storehouses 1.
The face shaping of three dryness storehouses 1 as shown in Figure 2 is cylindric.
There are discharge port 5 and feed inlet 6 on three dryness storehouses 1.
The discharge port 5 of three dryness storehouses 1 is also the discharge port 5 of outer cylinder 17, the feed inlet 6 of three dryness storehouses 1 It is the feed inlet 6 of inner cylinder 24.
One end of three dryness storehouses 1 is cone cell, and the other end is plane;One end of three 1 cone cells of dryness storehouse have into There are discharge port 5 in material mouth 6, one end of plane.
Such as Fig. 1, Fig. 2, Fig. 6, spiral heating device 4 shown in Fig. 7 includes heat pipe 35, heat conducting pipe 14.
The heat conducting pipe 14 is the pipe of metal production, and heat conducting pipe 14 is in by the processing modelling of bending machine, heat conducting pipe 14 Helical arrangement.The heat conducting pipe 14 of helical arrangement can reduce the stress of heat conducting pipe 14 caused by thermal expansion difference, from And suitably enhance the anti-performance expanded with heat and contract with cold of heat conducting pipe 14.
The diameter of the heat conducting pipe 14 is 45mm, and the length of heat conducting pipe 14 is 8000mm.
The heat conducting pipe 14 has thermal energy import 10 and thermal energy outlet 11.
The diameter of the heat pipe 35 is 48mm, and the height of heat pipe 35 is 300-400mm.
Heat pipe 35 as shown in Figure 7 includes metal tube 32, heat-conducting work medium 34, fin.Fin is fixed on the pipe of metal tube 32 Outside wall, fin and metal tube 32 are integrated;Heat-conducting work medium 34 is in the pipe for the metal tube 32 that both ends seal.
What the thermally conductive heat exchange of the heat-conducting work medium 34 in the heat pipe 35 utilized is heat pipe for thermal conductivity technology, and thermal energy is by leading " liquid-gas phase transition " of hot working fluid 34 carrys out thermally conductive heat exchange.
The bottom end 33 of the heat pipe 35 is concave shape;The concave shape bottom end 33 of heat pipe 35 is fitted in the pipe of heat conducting pipe 14 Above, 35 bottom end 33 of heat pipe is fixed by welding on the pipe face of heat conducting pipe 14, and the bottom end 33 of heat pipe 35 and heat conducting pipe 14 are fixed It is integrated.
Concave shape bottom of the thermal energy that heat-conducting medium 31 in 14 pipe of heat conducting pipe carries by heat transfer to heat pipe 35 End 33 carries out thermally conductive heating.
The bottom end 33 of the heat pipe 35 is the evaporator section of heat-conducting work medium 34, and the tube wall of metal tube 32 is heat-conducting work medium 34 Condensation segment.
The adjacent spacing between heat pipe 35 and heat pipe 35 on the heat conducting pipe 14 is 60mm.
Fixation is respectively welded by metal strip 37 in the top 36 of the heat pipe 35, by metal strip between heat pipe 35 and heat pipe 35 37 are fixedly connected with support.Fixed heat pipe 35 is supported to increase the bottom end 33 of heat pipe 35 and the company of heat conducting pipe 14 by metal strip 37 Solidness is connect, the bottom end 33 for reducing metal tube 32 is detached from the hidden danger of heat conducting pipe 14 under the effect of external force, improves heat pipe 35 Service life.
The heat pipe 35 is an individual integral solder in the outside of heat conducting pipe 14, and what heat pipe 35 arranged is fixed on spiral shell On the heat conducting pipe 14 for revolving shape;The inside of heat pipe 35 and the inside of heat conducting pipe 14 are not communicated with;When a certain heat pipe 35 damages It is bad to generate leakage, the use of entire spiral heating device 4 and three dryness storehouses 1 is not influenced.
Such as Fig. 2, Fig. 3, Fig. 4, Fig. 5, spiral heating device 4 shown in fig. 6 is mounted in three dryness storehouses 1, spiral heating The heat conducting pipe 14 of device 4 is fixed on the cylinder of three dryness storehouses 1.
The discharge port 5 of the outer cylinder 17 is also the discharge port 5 of three dryness storehouses 1, and the feed inlet 6 of inner cylinder 24 is also three The feed inlet 6 of dryness storehouse 1.
The thermal energy import 10 of the heat conducting pipe 14 of the spiral heating device 4 of the outer cylinder 17 is from the discharge port 5 of outer cylinder 17 Centre extends out;The thermal energy outlet 11 of the heat conducting pipe 14 of the spiral heating device 4 of inner cylinder 24 is from the feed inlet 6 of inner cylinder 24 Between extend out.
The spiral heating device 4 spirally arranged can give the thermally conductive heating of material, can also play dry in material The effect push ahead material when dry work, stirred;Material must also obtain in the propulsion whipping process of spiral heating device 4 Uniform stirring, the drying uniform moisture degree of material are also improved.
Such as Fig. 2, Fig. 3, Fig. 4, three dryness storehouses 1 shown in fig. 5 include inner cylinder 24, outer cylinder 17, middle cylinder 19, middle cylinder baffle 22, outer cylinder baffle 23, helical blade 18.
The inner cylinder 24 of three dryness storehouses 1, outer cylinder 17, middle cylinder 19, the making material of outer cylinder baffle 23 are 5mm metals Plate.
The helical blade 18 is fixed on inner cylinder 24, outer cylinder 17, on the cylinder in middle cylinder 19.
It installs helical blade 18 and is fixed on inner cylinder 24, outer cylinder 17, middle cylinder 19;By inner cylinder 24 in the inside of middle cylinder 19, in Cylinder 19 is in the outside of outer cylinder 17;The concentric outer cylinder 17 of three different-diameters, middle cylinder 19, inner cylinder 24 is according to certain mathematical relationship And structure type, phase build-in is composed surely each other.
Processing and fabricating is good outside for the spiral heating device 4, then 4 entirety of spiral heating device is facilitated installation In inner cylinder 24, outer cylinder 17, the inside of middle cylinder 19, such spiral heating device 4 made simply, and handling ease reduces worker's Difficulty of processing improves the processing and manufacturing speed of three dryness storehouses 1.The spiral heating device 4 processed is also convenient for being mounted on interior Cylinder 24, outer cylinder 17, in middle cylinder 19.
Inner cylinder 24 of the heat conducting pipe 14 of the spiral heating device 4 in three dryness storehouses 1, outer cylinder 17, in middle cylinder 19 according to It is secondary to be together in series.
The thermal energy import 10 of the heat conducting pipe 14 of spiral heating device 4 in the outer cylinder 17 extends going out for source outer cylinder 17 Material mouth 5, the outer cylinder thermal energy outlet 21 of the heat conducting pipe 14 of the spiral heating device 4 in outer cylinder 17 and the spiral heating device of middle cylinder 19 Middle cylinder thermal energy import 26 fixation of 4 heat conducting pipe 14 is connected together.The heat conducting pipe 14 of spiral heating device 4 in middle cylinder 19 Middle cylinder thermal energy outlet 25 is connected to the inner cylinder thermal energy import 30 of the heat conducting pipe 14 of the spiral heating device 4 of inner cylinder 24 fixation one It rises.The thermal energy outlet 11 of the heat conducting pipe 14 of the spiral heating device 4 of inner cylinder 24 extends the feed inlet 6 of source inner cylinder 24.
Such as Fig. 1, Fig. 2, the heat-conducting medium 31 shown in Fig. 7 for carrying thermal energy by three dryness storehouses 1 discharge port 5 spiral The heat conducting pipe 14 of heating device 4 enters inside the spiral heating device 4 of three dryness storehouses 1, and heat-conducting medium 31 passes sequentially through three The inner cylinder 24 of dryness storehouse 1, outer cylinder 17, the spiral heating device 4 of middle cylinder 19.Heat-conducting medium 31 after heat dissipation is by three dryness storehouses 1 Feed inlet 6 at spiral heating device 4 heat conducting pipe 14 be discharged three dryness storehouses 1 spiral heating device 4.
The outer cylinder 17 of three dryness storehouses 1, middle cylinder 19, the inside of inner cylinder 24 is intercommunication.
Such as Fig. 2, Fig. 3, Fig. 4, the outer cylinder cylinder at the outer cylinder feed inlet 20 of outer cylinder 17 shown in fig. 5 is by 23 He of outer cylinder baffle Inner cylinder cylinder sealing at the feed inlet 6 of inner cylinder 24 is fixed together.
Middle cylinder cylinder at the middle cylinder discharge port 28 of the middle cylinder 19 is fixed together by middle cylinder baffle 22, middle cylinder baffle Middle cylinder cylinder at the middle cylinder feed inlet 27 of 22 surrounding and middle cylinder 19 is fixed together.
The making material of the middle cylinder baffle 22 is the metal plate for having air hole.
The aperture of the air hole of the middle cylinder baffle 22 is 3mm.
Such as Fig. 1, Fig. 5, feeding device 3 shown in Fig. 8 includes wind stopping device 39, bellows elbow 38, bump joint 44, sealing Device 43, exhaust pipe 15, dynamic sealing device 41.
The bellows elbow 38 is made of metal bellows.
The dynamic sealing device 41 is fixed on bellows elbow 38.
The exhaust pipe 15 is fixed on bellows elbow 38, and exhaust pipe 15 and bellows elbow 38 are fixedly connected as one Body;In three 1 rotary courses of dryness storehouse, the connection of exhaust pipe 15 and elbow is that fixing seal is air-locked.
It inside the pipe of the exhaust pipe 15 and is ventilation inside bellows elbow 38, material is dry in three dryness storehouses 1 The moisture that gasification generates when dry is gone out by exhaust pipe 15 by vacuum pump set pump drainage.
The bump joint 44 of the feeding device 3 is fixedly connected on the feed inlet 6 of three dryness storehouses 1, bump joint 44 and three dryness storehouses 1 feed inlet 6 on be connected to one.
By sealing device 43 come dynamic sealing connection between the elbow outlet 40 of bellows elbow 38 and bump joint 44;It closes Wind device 39 is supported by bracket 13 and is fixed;The lower end of wind stopping device 39 is fixedly connected in the elbow import 42 of bellows elbow 38.
When three dryness storehouses 1 rotate under the driving effect of driving device 9, bump joint 44 is with three dryings The feed inlet 6 in storehouse 1 synchronous rotary together.
When bump joint 44 is with three 1 synchronous rotaries of dryness storehouse, bellows elbow 38 and exhaust pipe 15 are fixed , by the dynamic sealing of sealing device 43 between the elbow outlet 40 of bellows elbow 38 and bump joint 44, do not generate gas leakage 's;By 38 fixed seal connection of bellows elbow between wind stopping device 39 and bump joint 44.
Such as Fig. 1, Fig. 2, discharge device 2 shown in Fig. 9 includes wind stopping device 39, bellows elbow 38, bump joint 44, sealing Device 43, dynamic sealing device 41.
The dynamic sealing device 41 is fixed on bellows elbow 38.
The bump joint 44 of the discharge device 2 is fixedly connected on the discharge port 5 of three dryness storehouses 1, bump joint 44 and three dryness storehouses 1 discharge port 5 on be connected to one;The elbow import 42 of bellows elbow 38 and bump joint 44 Between by sealing device 43 come dynamic sealing connection.
The wind stopping device 39 is supported by bracket 13 and is fixed;The upper end of wind stopping device 39 is fixedly connected with the curved of bellows elbow 38 In head outlet 40.
When three dryness storehouses 1 rotate under the driving effect of driving device 9, bump joint 44 is with three dryings The synchronous rotary together of storehouse 1.
When the bump joint 44 is with three 1 synchronous rotaries of dryness storehouse, bellows elbow 38 is fixed, wave By the dynamic sealing of sealing device 43 between the elbow import 42 and bump joint 44 of line pipe bend 38, gas leakage is not generated;It closes By 38 fixed seal connection of bellows elbow between wind device 39 and bump joint 44.
The bellows elbow 38 is made of metal bellows.
The bellows elbow 38 is used as elastic packing part, and the connection between wind stopping device 39 and bump joint 44 is by wave 38 fixing seal of line pipe bend.
Under the turning effort of three dryness storehouses 1, when bump joint 44 is with three 1 synchronous rotaries of dryness storehouse, three dry The feed inlet and outlet 5 in dry storehouse 1 can generate the displacement up and down such as axial displacement, angular displacement and lateral displacement;Bellows elbow 38 in succession bump joint 44 one end bellows with three dryness storehouses 1 feed inlet and outlet 5 displacement and synchronous shift together, The in succession bellows of one end of wind stopping device 39 of bellows elbow 38 is fixed.
The bellows elbow 38 is connected to the work that one end of bump joint 44 allows to generate under rated load effect It is displaced, bellows elbow 38 has ensured consolidating between wind stopping device 39 and bump joint 44 in three 1 rotary courses of dryness storehouse Fixed to be tightly connected, the displacement vibration avoided between three dryness storehouses 1 and wind stopping device 39 causes to leak, and gas is avoided to enter three In dryness storehouse 1.
The wind stopping device 39 is high airproof wind stopping device.
The sealing device 43 is device for sealing magnetic fluid.
The discharging of three dryness storehouses 1 is extended in the thermal energy import 10 of the heat conducting pipe 14 of spiral heating device 4 as shown in Figure 8 The thermal energy import 10 of the bellows elbow 38 of discharge device 2 at mouth 5, heat conducting pipe 14 is connected to adding for peripheral hardware by thermal energy conduit In thermal, heat-conducting medium 31 after the heating devices heat of peripheral hardware by thermal energy import 10 of the thermal energy conduit through heat conducting pipe 14 into Enter the inside of spiral heating device 4.
Extend at the feed inlet 6 of three dryness storehouses 1 the thermal energy outlet 11 of the heat conducting pipe 14 of the spiral heating device 4 Feeding device 3 bellows elbow 38;The thermal energy outlet 11 of the heat conducting pipe 14 of spiral heating device 4 is connected by thermal energy conduit On the heating device of peripheral hardware;Heat-conducting medium 31 after heat dissipation is heated again by the heating device of peripheral hardware, thermally conductive after heating Medium 31 enters the inside of spiral heating device 4 by thermal energy conduit through the thermal energy import 10 of heat conducting pipe 14.
Extend the heat conducting pipe 14 of bellows elbow 38 and the junction of bellows elbow 38 by 41 dynamic of dynamic sealing device Sealing, while heat conducting pipe 14 rotates, bellows elbow 38 is fixed, the company of heat conducting pipe 14 and bellows elbow 38 The place of connecing is sealed air-tight.
The junction of the heat conducting pipe 14 and bellows elbow 38 by dynamic sealing device 41 come dynamic sealing, can be to avoid Air is leaked into three dryness storehouses 1 the junction of heat conducting pipe 14 and bellows elbow 38.
The thermally conductive of spiral heating device 4, heat exchange, the workflow of heat dissipation are as follows.
One, heat-conducting medium 31 by after the heating devices heat of peripheral hardware, carry the heat-conducting medium 31 of thermal energy pass through it is thermally conductive The thermal energy import 10 of pipe 14 enters in heat conducting pipe 14,11 discharge of thermal energy outlet that the heat-conducting medium 31 after heat dissipation passes through heat conducting pipe 14 Heat conducting pipe 14 is heated again by the heating device that thermal energy conduit is again introduced into peripheral hardware, and what heat-conducting medium 31 recycled always is adding Heating, thermally conductive, heat exchange are carried out in thermal and heat conducting pipe 14.
Two, it when spiral heating device 4 and three dryness storehouses 1 rotate simultaneously, when the bottom end of heat pipe 35 33 is downward, releases The gasiform heat-conducting work medium 34 of thermal energy is condensed into liquid heat-conducting work medium 34 and flows to heat pipe 35 along the tube wall of heat pipe 35 Bottom end 33, after the heat-conducting work medium 34 in heat pipe 35 flows at bottom end 33, thermal energy that the heat-conducting medium 31 in 14 pipe of heat conducting pipe carries Tube wall through heat conducting pipe 14 carries out thermally conductive heating to the bottom end 33 of heat pipe 35 by heat transfer;Thermal energy in heat conducting pipe 14 passes through heat The spill bottom end 33 of pipe 35 provides thermal energy to the liquid heat-conducting work medium 34 in heat pipe 35.35 bottom end 33 of heat pipe it is liquid Heat-conducting work medium 34 by heat-conducting medium 31 in heat conducting pipe 14 energy heats and the heat-conducting work medium 34 of phase-changeable gas shape, thermally conductive work " liquid gas phase transition " thermally conductive heat exchange that matter 34 loops back and forth like this.
Three, the thermally conductive heating that the liquid heat-conducting work medium 34 in heat pipe 35 at bottom end 33 passes through the thermal energy on heat conducting pipe 14 After gasify, heat-conducting work medium 34 after gasification moves in the inner cavity of heat pipe 35, and the heat-conducting work medium 34 after gasification passes through heat pipe 35 After metal tube 32 and the outside heat conduction and heat radiation of fin, the heat-conducting work medium 34 after gasification is condensed into liquid heat-conducting work medium 34, condensation Heat gasifies again after liquid heat-conducting work medium 34 afterwards flows at the bottom end 33 of heat pipe 35, and the thermally conductive heat exchange of thermal energy is by leading The liquid-gas phase transition of hot working fluid 34 carrys out thermally conductive heat exchange, and heat-conducting work medium 34 carries out the thermally conductive of liquid-gas phase transition in the inside of heat pipe 35 and changes Heat.Thermal energy on heat pipe 35 is by heat transfer, heat radiation to the thermally conductive heating of material around heat pipe 35.
Four, the thermal energy that heat-conducting medium 31 carries by the heat transfer of spiral heating device 4, heat radiation to heat conducting pipe 14 around Material thermally conductive heating while, can also play the role of pushing ahead material when dry materials work, stir.
Five, the thermal energy in spiral heating device 4 by the heat transfer of the metal tube 32 of heat conducting pipe 14 and heat pipe 35 and fin, Heat radiation is heated to the material thermal conductivity around spiral heating device 4, the material in three dryness storehouses 1 obtained thermal energy carry out it is dry Dry drying reaches the material of necessary requirement water content standard.
The thermal energy that the heating device of peripheral hardware generates directly passes through the thermally conductive of the spiral heating device 4 in three dryness storehouses 1 Pipe 14 and heat pipe 35 carry out thermally conductive heating to material;Thermal energy in spiral heating device 4 is by heat transfer, heat radiation to spiral Material around heating device 4 carries out thermally conductive heating.
Due to heating device generate thermal energy be directly entered in the spiral heating device 4 in three dryness storehouses 1 carry out it is thermally conductive It exchanging heat, does not need to install heating cabinet additional outside three dryness storehouses 1, the structure of heating tank, three dryness storehouses 1 is simple, low manufacture cost, The utilization rate in drying place is further improved.
The heat conducting pipe 14 of spiral heating device 4 in three dryness storehouses 1 manages heat entrained by interior heat-conducting medium 31 Thermally conductive heating can be carried out to the concave shape bottom end 33 of heat pipe 35 by heat transfer;Thermal energy on bottom end 33 is to the liquid in heat pipe 35 The heat-conducting work medium 34 of shape provides thermal energy, and thermal energy does not need secondary thermally conductive heat exchange, improves the thermal energy availability of thermal energy.
After the feed inlet 6 and discharge port 5 of three dryness storehouses 1 are mounted with feeding device 3 and discharge device 2, material Three dryness storehouses 1 are ceaselessly passed in and out by the way that feeding device 3 and discharge device 2 are continuous, it is dry that material can carry out successional vacuum It is dry, the dry efficiency of improving material and optimization dry materials effect.
The vacuum drying workflow of the material of three vacuum dryers of internal heating type is as follows:
One, wind stopping device 39 is started, as shown in figure 1 shown in flow direction of material mark 16: material passes through the wind stopping device 39 of feeding device 3, wave The feed inlet 6 of line pipe bend 38, three dryness storehouses 1 enters in three dryness storehouses 1.
Two, heat-conducting medium 31 by after the heating devices heat of peripheral hardware, carry the heat-conducting medium 31 of thermal energy pass through it is thermally conductive The thermal energy import 10 of pipe 14 enters the inside of the heat conducting pipe 14 of the spiral heating device 4 of three dryness storehouses 1, and thermal energy, which directly passes through, leads Heat pipe 14 and heating tube 35 are to the thermally conductive heating of material around spiral heating device 4.
Three, three dryness storehouses 1 rotate under the induced effect of driving device 9, and online moisture tester will collect moisture Signal is converted into electronic signal and delivers into drive set controller, and drive set controller is regulated and controled by the program of setting The revolving speed of driving device 9;Driving device 9 sets different revolving speeds by the program of setting according to drive set controller to drive The rotation of dynamic three dryness storehouses 1.
Four, it while spiral heating device 4 is to material thermally conductive heating, can also play material in dry materials work The effect push ahead, stirred.Material in three dryness storehouses 1 has obtained the heating of thermal energy, and material carries out vacuum drying and dries After dry, reach the material of necessary requirement water content standard.
Five, the moisture that gasification generates when dry materials in three dryness storehouses 1 is pumped out by exhaust pipe 15 by vacuum pump set It goes.
Six, as shown in figure 1 shown in flow direction of material mark 16: material is in spiral heating device 4 and helical blade 18 after dry The effect pushed ahead, material passes sequentially through the bellows elbow of the discharge port 5 of three dryness storehouses 1, discharge device 2 after drying 38, three dryness storehouses 1 are discharged in wind stopping device 39.
Above embodiments are merely used to help understand production method and its core concept of the invention, and specific implementation is not limited to In above-mentioned specific embodiment, those skilled in the art from the above idea, without creative labor, is made Variation, all fall within protection scope of the present invention.

Claims (6)

1. a kind of three vacuum driers of internal heating type, including three dryness storehouses (1), discharge device (2), feeding device (3), spiral shell It revolves heating device (4), support roller (7), raceway (8), driving device (9), gear ring (12), bracket (13), online moisture tester, Drive set controller;Be characterized in that: spiral heating device (4) is mounted in three dryness storehouses (1);
Described support roller (7) supporting bracket the raceway (8) on three dryness storehouses (1);
The online moisture tester is mounted on the cylinder in three dryness storehouses (1), and online moisture tester will collect Moisture signal is converted into electronic signal and delivers into drive set controller, and driving device (9) is according to drive set controller Different revolving speeds is set by the program of setting to drive the rotation of three dryness storehouses (1);
The spiral heating device (4) includes heat pipe (35), heat conducting pipe (14);
What the heat conducting pipe (14) arranged in the shape of a spiral;Heat pipe (35) includes metal tube (32), heat-conducting work medium (34), fin; Fin is fixed on the tube wall exterior of metal tube (32), and heat-conducting work medium (34) is in the pipe for the metal tube (32) that both ends seal;Heat pipe (35) concave shape bottom end (33) is fitted in the pipe of heat conducting pipe (14) above, and the bottom end (33) of heat pipe (35) and heat conducting pipe (14) are solid It is set to one;Support is fixedly connected with by metal strip (37) between heat pipe (35) and heat pipe (35);
The bottom end (33) of the heat pipe (35) is the evaporator section of heat-conducting work medium (34), and the tube wall of metal tube (32) is heat-conducting work medium (34) condensation segment;The thermal energy that heat-conducting medium 31 in heat conducting pipe (14) pipe carries carries out thermally conductive to the bottom end (33) of heat pipe (35) Heating, thermal energy is " liquid-gas phase transition " by heat-conducting work medium (34) come thermally conductive heat exchange;
Three dryness storehouses (1) include inner cylinder (24), outer cylinder (17), middle cylinder (19), middle cylinder baffle (22), outer cylinder baffle (23), helical blade (18);Helical blade (18) is fixed on inner cylinder (24), outer cylinder (17), on the cylinder in middle cylinder (19);Spiral Inner cylinder (24) of the heat conducting pipe (14) of heating device (4) in three dryness storehouses (1), outer cylinder (17) are sequentially connected in series in middle cylinder (19) Get up;
The outer cylinder (17) of three dryness storehouses (1), middle cylinder (19), the inside of inner cylinder (24) is intercommunication;Outer cylinder (17) Outer cylinder cylinder at outer cylinder feed inlet (20) is sealed by the inner cylinder cylinder of outer cylinder baffle (23) and the feed inlet (6) of inner cylinder (24) It is fixed together;Middle cylinder cylinder at the middle cylinder discharge port (28) of middle cylinder (19) is fixed together by middle cylinder baffle (22);
The making material of the middle cylinder baffle (22) is the metal plate for having air hole,
The feeding device (3) includes wind stopping device (39), bellows elbow (38), bump joint (44), sealing device (43), Exhaust pipe (15), dynamic sealing device (41);Dynamic sealing device (41) is fixed on bellows elbow (38);Exhaust pipe (15) is fixed On bellows elbow (38);
The bump joint (44) of the feeding device (3) is fixedly connected on the feed inlet (6) of three dryness storehouses (1), ripple By sealing device (43) come dynamic sealing connection between the elbow outlet (40) of pipe bend (38) and bump joint (44);Wind stopping device (39) it is supported and is fixed by bracket (13), the lower end of wind stopping device (39) is fixedly connected with the elbow import (42) of bellows elbow (38) On;
The discharge device (2) includes wind stopping device (39), bellows elbow (38), bump joint (44), sealing device (43), Dynamic sealing device (41);
The bump joint (44) of the discharge device (2) is fixedly connected on the discharge port (5) of three dryness storehouses (1);Ripple By sealing device (43) come dynamic sealing connection between the elbow import (42) and bump joint (44) of pipe bend (38);Wind stopping device (39) upper end is fixedly connected in the elbow outlet (40) of bellows elbow (38);
The bellows elbow (38) is made of metal bellows, and bellows elbow (38) is connected to bump joint (44) One end rated load effect under allow generate work shift;
The bellows elbow (38) is used as elastic packing part, connection between wind stopping device (39) and bump joint (44) by Bellows elbow (38) fixing seal;
The discharge port of three dryness storehouses (1) is extended in the thermal energy import 10 of the heat conducting pipe (14) of the spiral heating device (4) (5) bellows elbow (38) of the discharge device (2) at;Prolong the thermal energy outlet 11 of the heat conducting pipe (14) of spiral heating device (4) The bellows elbow (38) for stretching out the feeding device (3) at the feed inlet (6) of three dryness storehouses (1), extends bellows elbow (38) junction of heat conducting pipe (14) and bellows elbow (38) is by dynamic sealing device (41) dynamic sealing;
Material ceaselessly passes in and out three dryness storehouses (1) by the way that feeding device (3) and discharge device (2) are continuous, and heat-conducting medium carries Thermal energy directly by the heat conducting pipe (14) and heat pipe (35) of the spiral heating device (4) in three dryness storehouses (1) give material Carry out thermally conductive heating, the moisture that gasification generates when three dryness storehouse (1) interior dry materials is by exhaust pipe (15) by vacuum machine Group pump drainage is gone out.
2. three vacuum driers of a kind of internal heating type according to claim 1, it is characterised in that: the diameter of heat pipe (35) It is 40-75mm, the height of heat pipe (35) is 300-800mm.
3. three vacuum driers of a kind of internal heating type according to claim 1, it is characterised in that: on heat conducting pipe (14) Adjacent spacing between heat pipe (35) and heat pipe (35) is 50-120mm.
4. three vacuum driers of a kind of internal heating type according to claim 1, it is characterised in that: middle cylinder baffle (22) The aperture of air hole is 1-10mm.
5. three vacuum driers of a kind of internal heating type according to claim 1, it is characterised in that: sealing device (43) is Dynamic sealing device or device for sealing magnetic fluid.
6. three vacuum driers of a kind of internal heating type according to claim 1, it is characterised in that: wind stopping device (39) is high Airproof wind stopping device.
CN201810334623.0A 2018-04-14 2018-04-14 Three vacuum dryers of internal heating type Withdrawn CN110375523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810334623.0A CN110375523A (en) 2018-04-14 2018-04-14 Three vacuum dryers of internal heating type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810334623.0A CN110375523A (en) 2018-04-14 2018-04-14 Three vacuum dryers of internal heating type

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Publication Number Publication Date
CN110375523A true CN110375523A (en) 2019-10-25

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Country Link
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