CN107588621A

CN107588621A - Drum-type vacuum dryer

Info

Publication number: CN107588621A
Application number: CN201710284148.6A
Authority: CN
Inventors: 张海娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-26
Filing date: 2017-04-26
Publication date: 2018-01-16

Abstract

A kind of drum-type vacuum dryer of the present invention includes heat pipe dryness storehouse, feed arrangement, drawing mechanism, vacuum pump set, gear ring, support, airway tube, heating tank, drive device, heat-conducting medium, support roller, heat-insulation layer, heat conducting pipe, heater.Support roller on support supports the charging aperture at the both ends of heat pipe dryness storehouse, discharging opening.The roller lower portion of heat pipe dryness storehouse is immersed in the heat-conducting medium in heating tank.Heat energy import, the heat energy outlet of heating tank are connected on the heating by heat conducting pipe；Feed arrangement, drawing mechanism are arranged on the charging aperture of heat pipe dryness storehouse, discharging opening.The other end of airway tube is connected on vacuum pump set.High temperature heat conducting medium carries out heat conduction and heat radiation by the cylinder and heat pipe of heat pipe dryness storehouse to the material in storehouse, improve the heat conduction and heat radiation speed of heat energy, dry materials efficiency is strengthened, has reached the drying purpose of Quick material, improves the service life of drum-type vacuum dryer.

Description

Drum-type vacuum dryer

Technical field

The present invention relates to a kind of roller drying machine, specifically a kind of drum-type vacuum dryer.

Background technology

, it is necessary in vacuum condition in the processing fields such as present grain, food, chemical industry, medicine, agricultural byproducts, herbage Under processing is thermally dried to material；The dryness storehouse heat exchange of rotary type vacuum drying equipment currently on the market is more with calandria Radiating, interlayer mode of heating carry out heat exchange radiating, but their radiator volume is big, area of dissipation is small, heat energy service efficiency It is low.Wet stock through caking is commonly formed, causes the uneven drying of wet stock, influences the drying quality of material under vacuum conditions. Fault rate is high during the radiating tube use of dry vacuum container currently on the market, not easy-maintaining.As a certain in dryness storehouse There is damage and produces leakage in radiating tube, and whole dryness storehouse is unable to use.

In the design process of vacuum drying equipment, the thermal stress of each equipment for forming dry vacuum container, tube sheet Deformation, applied stress, residual stress, welding stress and stress caused by corrosion product, will evade up from product design, Prevention；The fault rate of vacuum drying equipment is reduced, improves the service life of vacuum drying equipment.

The content of the invention

The problem to be solved in the present invention is to overcome the existing a certain radiating tube when in dryness storehouse of prior art to damage Bad to produce leakage, whole dryness storehouse is unable to the deficiency used, there is provided a kind of fault rate for reducing vacuum drying equipment, improves It is dried in vacuo the drum-type vacuum dryer of the service life of equipment.

In order to reach above-mentioned purpose, what the present invention was achieved through the following technical solutions：Drum-type vacuum dryer includes heat Pipe dryness storehouse, feed arrangement, drawing mechanism, vacuum pump set, gear ring, support, airway tube, heating tank, drive device, heat conduction are situated between Matter, support roller, heat-insulation layer, heat conducting pipe, heater.

Described heat pipe dryness storehouse includes heat pipe, roller, helical blade.

Described helical blade is weldingly fixed on roller tube；Helical blade, which plays, to be stirred to material, promotes Effect, material is under the rotation progradation of helical blade, charging aperture going out to heat pipe dryness storehouse of the material from heat pipe dryness storehouse Flow progresses at material mouth.

1st, the making material of helical blade is metallic plate.

2nd, the height of helical blade is 50-500mm, and the thickness of helical blade is 1-10mm, and the length of helical blade is 3000—15000mm。。

3rd, the quantity of helical blade is 1-5.

4th, layout of the helical blade on the roller tube of roller surround shape.Around shape helical blade in the accompanying drawings Do not directly display out.

Described heat pipe is light pipe heat pipe, or has the heat pipe of fin.

Described heat pipe includes metal tube, fin, heat-conducting work medium；In the pipe for the metal tube that heat-conducting work medium seals at both ends.

The making material of the cylinder of described roller is metallic plate, and the thickness of metallic plate is 0.5-8mm.

1st, roller（18）Outward appearance be cylindric, the both ends of roller are tapers.

2nd, the internal diameter height of roller is 1800-5500mm, and the length of roller is 3500-18000mm.

3rd, the roller tube of roller is the metallic plate welding production of whole, the sealing welded between adjacent two pieces of metallic plates It is gastight.

The diameter of described heat pipe is 25-50mm；The height of heat pipe is 1000-5500mm.

1st, when the height of heat pipe is more than 1200mm, the centre position of adjacent heat pipe is respectively welded with 1-3 bonding jumpers Fixed support.

2nd, bonding jumper supported in series the heat pipe of adjacent more, bonding jumper improve heat pipe be connected with roller tube it is firm Degree, extend the service life of heat pipe.

The convex arc end at described heat pipe both ends is convex arc-shaped, and the convex arc end of heat pipe is fixed by welding in On the roller tube of roller.

1st, the both ends of the convex arc end of heat pipe and the roller tube inwall binding site of roller are fixed by welder It is integrated；The both ends of the convex arc end of heat pipe are fully bonded the roller tube of roller, can strengthen the heat energy of roller tube Pass to the convex arc end of heat pipe.

2nd, the spacing between heat pipe and heat pipe is 15-50mm.

Described heat pipe is a single heat pipe integral solder on the roller tube of roller.

1st, the inside of heat pipe and the inside of another heat pipe are not communicated with；The inside of piece heat pipe and heating tank Inside is also what is be not communicated with.

2nd, leakage is produced when damage occurs in a certain heat pipe, simply the heat pipe of this root damage can not carry out heat conduction and heat radiation Work, it does not influence the use of whole heat pipe dryness storehouse.

Described gear ring is arranged on the roller tube at heat pipe dryness storehouse both ends；The roller of gear ring and heat pipe dryness storehouse Cylinder, which is connected, to be integrated.

Described support roller is fixedly mounted on support, and the rotating wheel of support roller can be on support under by the turning effort of external force Carry out rotary motion.

There are charging aperture, discharging opening in the both ends of described heat pipe dryness storehouse.

Support roller on described support supports the charging aperture at the both ends of heat pipe dryness storehouse, discharging opening.

Described drive device is motor, or hydraulic motor.

1st, drive device is fixedly mounted on support, or is fixedly mounted on ground.

2nd, the driving wheel occlusion of drive device drives the gear teeth of the gear ring on heat pipe dryness storehouse, and gear ring drives heat Pipe dryness storehouse.

3rd, heat pipe dryness storehouse is driven by drive device, the rotary motion on the support roller on support of heat pipe dryness storehouse.

There are heat energy import, heat energy outlet on described heating tank；The face shaping of heating tank is bathtub shape.

The roller lower part of described heat pipe dryness storehouse is in the inside of heating tank.

1st, heating tank and heat pipe dryness storehouse be unconnected, the roller spacing of heating tank and heat pipe dryness storehouse is 50- 100mm。

2nd, have heat-conducting medium inside heating tank, the heat-conducting medium filling amount in heating tank be heating tank inner capacities 50- 85%, so it is easy to heat-conducting medium not spill heating tank in heat pipe dryness storehouse rotary course.

3rd, the roller lower portion of heat pipe dryness storehouse is immersed in the heat-conducting medium in heating tank.

Described heat-conducting medium is water, or conduction oil, or non-freezing solution.

Described heating tank is fixed by support and supported, or heating tank is directly fixedly mounted on the ground.

The heat energy import of described heating tank is connected on the heating by heat conducting pipe, and the heat energy outlet of heating tank passes through Heat conducting pipe connects on the heating.

Described heat-conducting medium uses in heating tank, heat conducting pipe, the inner loop of heater.

Heat-insulation layer is enclosed with described heat conducting pipe to be incubated, a hot recycle pump, thermal cycle can be installed on heat conducting pipe Pump can improve the transporting velocity of heat-conducting medium, increase the conveying capacity of heat energy.

Described heater is boiler, or heat pump, or combustion furnace.

The bottom of described heat pipe dryness storehouse is immersed in heating tank in the inside of heating tank, the lower portion of heat pipe dryness storehouse In interior heat-conducting medium.

1st, after heat-conducting medium is by heating devices heat, the heat-conducting medium of heat energy is carried through the defeated of the hot recycle pump on heat conducting pipe Lead, the heat-conducting medium for carrying heat energy is entered in heating tank by the heat energy import of heating tank；The heat-conducting medium of heat energy is carried to heat The roller tube heat conduction heating of pipe dryness storehouse；Heat-conducting medium after heat exchange radiating flows out heating tank by the heat energy import of heating tank Afterwards, the heat-conducting medium after heat exchange radiating is input into heater through heat conducting pipe and heated again, heating, heat exchange, the radiating repeated always.

2nd, the heat-conducting work medium in the heat pipe of heat pipe lower end by the heat energy of the heat-conducting medium in the additional heat channel of roller tube come Heat conduction heating and phase transformation vaporize, and the external heat of roller tube is available to the thermal source of heat-conducting work medium, liquid in heat pipe Heat-conducting work medium absorbs heat and is vaporizated into vaporous heat-conducting work medium, and under small pressure difference, vaporous heat-conducting work medium rises to heat pipe Inside, heat is released by material of the heat pipe into roller, vaporous heat-conducting work medium and is condensed into liquid heat-conducting work medium.

3rd, the liquid heat-conducting work medium in heat pipe under gravity, is close to roller along what the inwall of heat pipe fell The lower end of the heat pipe of cylinder；Liquid heat-conducting work medium in heat pipe is by the energy heats in the external heat groove of roller tube And the heat-conducting work medium of phase-changeable gas shape, so move in circles, be continuously transmitted to heat by roller tube by heating tank Heat pipe；For heat pipe by the material around thermal energy conduction to heat pipe, material has obtained the heat energy required for drying, and reaches dry materials Purpose.

Described heat pipe dryness storehouse is ceaselessly rotary work in the drying process, the shape of the heat pipe in heat pipe dryness storehouse State also continuous change.

1st, the heat-conducting work medium in the heat pipe of heat pipe lower end by the heat energy of the heat-conducting medium in the additional heat channel of roller tube come Heat conduction heating and phase transformation vaporize, and the external heat of roller tube is available to the thermal source of heat-conducting work medium.

2nd, when heat pipe is horizontal, gasiform heat-conducting work medium is filled with the inside of heat pipe；Discharge the gas of heat energy The heat-conducting work medium of body shape is condensed into liquid heat-conducting work medium in the centre of heat pipe；It is liquid with the rotation of heat pipe dryness storehouse Heat-conducting work medium just flow to the lower end of heat pipe.Again as the rotation of heat pipe dryness storehouse, the present lower end of heat pipe are converted into heat pipe Upper end, present upper end is converted into the lower end of heat pipe；Liquid heat-conducting work medium flows to heat pipe with the state of heat pipe Lower end.

3rd, when heat pipe is in up/down state, the gasiform heat-conducting work medium for discharging heat energy is condensed into liquid heat conduction work Matter flows to the lower end of heat pipe along the tube wall of heat pipe, and the liquid heat-conducting work medium of heat pipe lower end is added by the outside of roller tube Energy heats in heat channel and the heat-conducting work medium of phase-changeable gas shape, condensation that heat-conducting work medium so moves in circles, gasification, condensation, Gasification.

Described heat pipe dryness storehouse can be with rotary motion on support roller, and heating tank is fixed.

Heat-insulation layer is installed to be incubated in described heat pipe dryness storehouse and the outside of heating tank；Either it is fitted without heat-insulation layer.

1st, heat-insulation layer is fixed.

2nd, the spacing of heat-insulation layer and heat pipe dryness storehouse is 50-100mm.

3rd, heat-insulation layer is fixed and is fitted on the outside of heating tank.

Described heat-insulation layer is that the small light heat insulation material of thermal conductivity factor makes.

Described heat-insulation layer is perlite and cement plate, or foamed cement board, or composition silicate, or rock Cotton.

Described feed arrangement is arranged on the charging aperture of heat pipe dryness storehouse；Drawing mechanism is arranged on going out for heat pipe dryness storehouse Material mouth.

1st, feed arrangement is fixed by support and supported；Support fixedly support the elbow of feed arrangement.One end of support and curved Head is connected to one；The other end of support is integrally fixed on ground, the other end of support or is integrally fixed at other support On.

Described drawing mechanism is fixed by support and supported.

1st, support fixedly support the elbow of material apparatus.

2nd, one end of support and elbow are connected to one；The other end of support is integrally fixed on ground, support it is another One end is integrally fixed on other support.

Described drawing mechanism includes sealing device, elbow, discharge gate, joint.

Described joint is metal tube, what flange combination made, and flange is fixed on one end of metal tube.

Described sealing device is arranged on the metal tube of joint.

Described sealing device is device for sealing magnetic fluid, or dynamic sealing device.

Described dynamic sealing device mainly includes rotating ring, stationary ring, has certain sealing between the conflict end face of dynamic and static ring Precision, dynamic and static ring can be relatively rotated so as to form mechanical dynamic seal, and the operation principle of dynamic sealing is prior art.

1st, the stationary ring of the dynamic sealing device of sealing device is arranged on the metal tube of joint.

2nd, the rotating ring of the dynamic sealing device of sealing device is arranged on elbow（22）One end elbow without flange outside.

3rd, the stationary ring of the sealing device dynamic sealing device on the metal tube of joint is enclosed on the rotating ring of the dynamic sealing device of elbow On.

4th, elbow and joint are by sealing device fixed seal connection.

The magnetic fluid sealing of described device for sealing magnetic fluid make use of response characteristic of the magnetic liquid to magnetic field.Magnetic Property liquid, which is injected into the magnetic conductive loop being made up of the good pole shoe of high performance permanent magnet, magnetic conduction and axle, can form several liquid Body "O"-ring.When magnetic fluid pressure difference acts on, can be moved in non-uniform magnetic-field, at this moment uneven magnetic field will make Magnetic liquid create antagonism pressure difference magnetic force and then new balance, thus serve the effect of sealing.

Described sealing device is arranged on the metal tube of joint.

One end of described elbow is connected to discharge gate, and elbow and discharge gate are connected to one；The gold of joint Sealing device on category pipe is enclosed on the other end of elbow；Elbow and joint are by sealing device fixed seal connection.

One end of described discharge gate is connected to elbow；The other end is connected to discharge bucket, and discharge bucket and discharge gate are consolidated Surely connect as one.

Described discharge bucket is that metallic plate makes, and discharge bucket plays a part of finishing collecting bulk material, and being easy to will be logical The material for crossing discharge gate discharge heat pipe dryness storehouse concentrates conveying.

Sealing device on the metal tube of described joint is enclosed on the other end of elbow；Joint and elbow connect through The connection of the sealing of sealing device, joint and elbow is that fixing seal is air-locked.

Flange on described joint and the flange on the discharging opening of heat pipe dryness storehouse are connected to one by screw, are connect The connection of head and heat pipe dryness storehouse is that fixing seal is air-locked.

1st, when heat pipe dryness storehouse rotates, joint rotates with heat pipe dryness storehouse；In heat pipe dryness storehouse rotary course, joint and The connection of heat pipe dryness storehouse is that fixing seal is air-locked.

2nd, when heat pipe dryness storehouse rotates, elbow is fixed；In heat pipe dryness storehouse rotary course, the company of joint and elbow Connect is that fixing seal is air-locked.

Described feed arrangement includes sealing device, elbow, discharge gate, joint, airway tube, support.

Described sealing device is arranged on the metal tube of joint.

One end of described discharge gate is connected to elbow；The other end is connected to feed hopper, and feed hopper and discharge gate are consolidated Surely connect as one.

Described feed hopper is that metallic plate makes, and feed hopper plays a part of finishing collecting bulk material, is easy to bulk Material heat pipe dryness storehouse is entered by discharge gate.

Described discharge gate is valve, or airlock.

1st, discharge gate plays a part of conveying material.

2nd, discharge gate also ensures to keep dynamic sealing during material is conveyed, and reduces extraneous gas and is dried into heat pipe Air inflow inside storehouse.

Flange on described joint and the flange on the charging aperture of heat pipe dryness storehouse are connected to one by screw, are connect The connection of head and heat pipe dryness storehouse is that fixing seal is air-locked.

One end of described airway tube passes through elbow, extends into the inside of heat pipe dryness storehouse；The other end of airway tube connects It is connected on vacuum pump set.

1st, the sealing for connecting through sealing device of airway tube and elbow, the connection of airway tube and elbow be fixing seal not Ventilative.The sealing device of fixed airway tube and elbow is static seal；The making material of airway tube and elbow is metal, The junction of airway tube and elbow can also be welded and fixed by electric welding machine and be integrated.

2nd, support is fixed by support between airway tube and elbow；One end of support is fixed on above elbow, support The other end is fixed on airway tube.

3rd, the support for supporting airway tube is bonding jumper, and support reduces impulsive force of the material to airway tube, strengthens fixation and leads The firmness of tracheae；The support being fixed on above elbow does not influence conveying of the material in the charging aperture of dryness storehouse.

4th, when heat pipe dryness storehouse rotates, airway tube is fixed；In heat pipe dryness storehouse rotary course, airway tube and elbow Connection be that fixing seal is air-locked.

5th, the airway tube extended into inside heat pipe dryness storehouse in the shape that raises up, airway tube inside heat pipe dryness storehouse Roller tube of the air inlet close to the storehouse upper interior of heat pipe dryness storehouse；It is easy to be vented in the airway tube for the shape that raises up, can avoids Material enters airway tube.

Described vacuum pump set by condenser and vacuum pump group into.

1st, condenser play condensation rice dry caused by vapor, after the condensable gas of vapor are condensed into water, Reduced not the volume of condensable gas a lot, can so reduce the power of vavuum pump, heat energy caused by condensation can also be again Once used, reach UTILIZATION OF VESIDUAL HEAT IN, the effect of energy-saving and emission-reduction.

2nd, vavuum pump is used for extracting moisture caused by gas and dry materials in the storehouse of heat pipe dryness storehouse.

3rd, during drum-type vacuum drying machine drying material, in heat pipe dryness storehouse storehouse the relative barometric pressure of gas for- 0.025Mpa to -0.098Mpa.

It is of the invention to be had the advantages that compared with existing vacuum dryer：A kind of heat conduction of drum-type vacuum dryer Radiate and exchanged heat for heat pipe is three-dimensional；High temperature heat conducting medium carries out heat conduction by the cylinder and heat pipe of heat pipe dryness storehouse to the material in storehouse Radiating, improves the heat conduction and heat radiation speed of heat energy, strengthens dry materials efficiency, reached the drying purpose of Quick material；Heat Pipe be a single integral solder on roller tube, the inside of heat pipe and the inside of another heat pipe are to be not communicated with , leakage is produced when damage occurs in a certain heat pipe, does not influence the use of whole heat pipe dryness storehouse；Reduce drum-type vacuum baking The fault rate of dry machine, improve the service life of drum-type vacuum dryer.

Brief description of the drawings：

Fig. 1, the structural representation for drum-type vacuum dryer of the present invention；

Fig. 2, for drum-type vacuum dryer of the present invention cross section structural representation；

Fig. 3, for drum-type vacuum dryer of the present invention heat pipe dryness storehouse structural representation；

Fig. 4, the heat pipe of heat pipe dryness storehouse and the connection diagram of roller for drum-type vacuum dryer of the present invention；

Fig. 5, for drum-type vacuum dryer of the present invention feed arrangement structural representation；

Fig. 6, for drum-type vacuum dryer of the present invention drawing mechanism structural representation.

In accompanying drawing figure：Heat pipe dryness storehouse（1）, feed arrangement（2）, drawing mechanism（3）, vacuum pump set（4）, discharging opening（5）, Charging aperture（6）, gear ring（7）, support（8）, airway tube（9）, heating tank（10）, heat energy import（11）, heat energy outlet（12）, drive Dynamic device（13）, heat-conducting medium（14）, support roller（15）, heater（16）, helical blade（17）, roller（18）, heat pipe（19）, Convex arc end（20）, sealing device（21）, elbow（22）, discharge gate（23）, joint（24）, heat conducting pipe（25）, heat-insulation layer （27）, roller tube（29）, feed hopper（30）, discharge bucket（31）.

Embodiment：

The present invention is described further with reference to the accompanying drawings and examples.

Embodiment：

Drum-type vacuum dryer as shown in Figure 1 and Figure 2 includes heat pipe dryness storehouse（1）, feed arrangement（2）, drawing mechanism（3）, Vacuum pump set（4）, gear ring（7）, support（8）, airway tube（9）, heating tank（10）, drive device（13）, heat-conducting medium（14）, Support roller（15）, heat-insulation layer（27）, heat conducting pipe（25）, heater（16）.

Heat pipe dryness storehouse as shown in Fig. 1, Fig. 3, Fig. 4（1）Including heat pipe（19）, roller（18）, helical blade（17）.

Described helical blade（17）It is weldingly fixed on roller（18）Roller tube（29）On.

1st, helical blade（17）Making material be metallic plate.

2nd, helical blade（17）Height be 200mm, helical blade（17）Thickness be 2mm, helical blade（17）Length Spend for 8000mm..

3rd, helical blade（17）Quantity be 3.

4th, helical blade（17）In roller（18）Interior roller tube（29）On layout surround shape.

Heat pipe as shown in Figure 3, Figure 4（19）It is light pipe heat pipe.

Described heat pipe（19）Including metal tube, heat-conducting work medium.

1st, in the pipe for the metal tube that heat-conducting work medium seals at both ends.

Described roller（18）Roller tube（29）Making material be metallic plate, the thickness of metallic plate is 2mm.

1st, roller（18）Face shaping be cylindric.

2nd, roller（18）Both ends be taper.

3rd, roller（18）Internal diameter height be 2500mm, roller（18）Length be 5500mm.

The diameter of described heat pipe is 38mm；The height of heat pipe is 2500mm.

1st, heat pipe（19）Centre position be respectively welded by 1 bonding jumper and fixed support adjacent heat pipe（19）, bonding jumper It fixedly support the heat pipe of adjacent two（19）.

Heat pipe as shown in Figure 3, Figure 4（19）The convex arc end at both ends（20）It is convex arc-shaped, heat pipe（19）It is convex Type arc end（20）Convex arc-shaped be to be fitted in roller（18）Interior roller tube（29）On.

1st, heat pipe（19）The convex arc end at both ends（20）With roller（18）Roller tube（29）Binding site pass through Welder, heat pipe（19）With roller（18）It is fixed as one.

2nd, heat pipe（19）And heat pipe（19）Spacing be 40mm.

Described heat pipe（19）It is that a single heat pipe is integrally attached to roller tube（29）On.

1st, a heat pipe（19）Inside and another heat pipe（19）Inside be not communicated with.

2nd, heat pipe（19）Inside and heating tank（16）And be not communicated with.

3rd, when a certain heat pipe（19）There is damage and produce leakage, simply this root heat pipe（19）It is unable to heat conduction and heat radiation work Make, this root heat pipe of damage（19）Whole heat pipe dryness storehouse is not influenceed（1）Use.

Gear ring as shown in Figure 1, Figure 3（7）Installed in heat pipe dryness storehouse（1）Discharging opening（5）The roller at end（18）Rolling Cylinder cylinder（29）On；Gear ring（7）And roller（18）Roller tube（29）It is connected and is integrated.

Described support roller（15）It is fixedly mounted on support（8）On, support roller（15）Rotating wheel under the turning effort of external force Can be in support（8）Upper rotary work.

Described heat pipe dryness storehouse（1）Both ends be charging aperture（6）, discharging opening（5）.

Described support（8）On support roller（15）Hold in the palm heat pipe dryness storehouse（1）The charging aperture at both ends（6）, discharging opening（5）.

Described drive device（13）It is motor.

1st, drive device（13）It is fixedly mounted on support（8）On.

Heating tank as shown in Figure 1 and Figure 2（10）On have heat energy import（11）, heat energy outlet（12）.

Described heat pipe dryness storehouse（1）Roller（18）Lower portion is in heating tank（10）The inside.

1st, heating tank（10）With heat pipe dryness storehouse（1）Roller（18）It is unconnected, heating tank（10）And roller（18） Spacing be 60mm.

2nd, heat-conducting medium（14）In heating tank（10）The inside；Heat-conducting medium（14）Filling amount is heating tank（10）Inner capacities 75%.

3rd, heat pipe dryness storehouse（1）Roller（18）Roller tube（29）Lower portion is immersed in heating tank（10）Interior leads Thermal medium（14）In.

Described heat-conducting medium（14）It is conduction oil.

Heating tank as shown in Figure 1（10）By support（8）Fixed support.

Described heating tank（10）Heat energy import（11）Pass through heat conducting pipe（25）It is connected to heater（16）On, heating Groove（10）Heat energy outlet（12）Pass through heat conducting pipe（25）It is connected to heater（16）On.

Described heat-conducting medium（14）In heating tank（10）, heat conducting pipe（25）, heater（16）Inner loop use.

Described heat conducting pipe（25）On be enclosed with heat-insulation layer to be incubated, heat conducting pipe（25）On a hot recycle pump is installed.

Described heater（16）It is boiler.

Described support roller（15）Hold in the palm heat pipe dryness storehouse（1）Charging aperture（6）, discharging opening（5）, heat pipe dryness storehouse（1）By Support roller（15）Holding in the palm can be with rotary motion, heating tank（10）It is fixed.

Heat pipe dryness storehouse as shown in Figure 2（1）And heating tank（10）Outside installation heat-insulation layer（27）To be incubated.

1st, heat-insulation layer（27）It is fixed.

2nd, heat-insulation layer（27）With heat pipe dryness storehouse（1）Roller（18）Spacing be 60mm.

3rd, heat-insulation layer（27）Fixation is fitted in heating tank（10）Outside on.

Described heat-insulation layer（27）It is perlite and cement plate.

Feed arrangement as shown in Fig. 1, Fig. 5, Fig. 6（2）Installed in heat pipe dryness storehouse（1）Charging aperture（6）On；Discharging dress Put（3）Installed in heat pipe dryness storehouse（1）Discharging opening（5）.

1st, feed arrangement（2）By support（8）Fixed support；Support（8）It is fixedly supported on feed arrangement（2）Elbow（22） On, support（8）And elbow（22）It is connected and is integrated.

2nd, drawing mechanism（3）By support（8）Fixed support；Support（8）It fixedly support material apparatus（3）Elbow（22） On, support（8）And elbow（22）It is connected to one.

Drawing mechanism as shown in Fig. 1, Fig. 6（3）Including sealing device（21）, elbow（22）, discharge gate（23）, joint （24）.

Described joint（24）It is metal tube, what flange combination made.

1st, flange is fixed on one end of metal tube.

Described sealing device（21）It is dynamic sealing device.

1st, sealing device（21）The stationary ring of dynamic sealing device be arranged on joint（24）Metal tube on.

2nd, sealing device（21）The rotating ring of dynamic sealing device be arranged on elbow（22）One end elbow without flange Outside.

3rd, joint（24）Metal tube on sealing device（21）The stationary ring of dynamic sealing device is enclosed on elbow（22）It is dynamic close On the rotating ring of seal apparatus.

4th, elbow（22）And joint（24）By sealing device（21）Fixed seal connection.

Described elbow（22）Flange on one end is fixedly connected discharge gate（23）On, elbow（22）And discharge gate （23）It is connected to one.

Described discharge gate（23）One end be connected to elbow（22）, the other end is connected to discharge bucket.Discharge bucket（31） And discharge gate（23）It is connected to one.

Described joint（24）Metal tube on sealing device（21）It is enclosed on elbow（22）The other end on；Joint（24） And elbow（22）Connect through sealing device（21）Sealing, joint（24）And elbow（22）Connection be that fixing seal is impermeable Gas.

Described joint（24）On flange and heat pipe dryness storehouse（1）Discharging opening（5）On flange by screw fix connect It is connected in one, joint（24）With heat pipe dryness storehouse（1）Connection be that fixing seal is air-locked.

1st, heat pipe dryness storehouse（1）During rotation, drawing mechanism（3）Joint（24）With heat pipe dryness storehouse（1）Rotation；Heat pipe Dryness storehouse（1）In rotary course, joint（24）With heat pipe dryness storehouse（1）Connection be that fixing seal is air-locked.

2nd, heat pipe dryness storehouse（1）During rotation, drawing mechanism（3）Elbow（22）It is fixed；Heat pipe dryness storehouse（1）Rotation During turning, drawing mechanism（3）Joint（24）And elbow（22）Connection be that fixing seal is air-locked.

Feed arrangement as shown in Figure 1, shown in Figure 5（2）Including sealing device（21）, elbow（22）, discharge gate, joint （24）, airway tube（9）, support（8）.

Described joint（24）It is metal tube, what flange combination made, flange is fixed on one end of metal tube.

Described sealing device（21）Installed in joint（24）Metal tube on.

Described elbow（22）One end be connected to discharge gate（23）, elbow（22）And discharge gate（23）It is fixedly connected It is integrated；Joint（24）Metal tube on sealing device（21）It is enclosed on elbow（22）The other end on；Elbow（22）And joint （24）By sealing device（21）Fixed seal connection.

Described discharge gate（23）One end be connected to elbow（22）, the other end is connected to feed hopper（30）.Feed hopper （30）And discharge gate（23）It is connected to one.

Described discharge gate（23）It is airlock.

Described sealing device（21）It is dynamic sealing device.

1st, dynamic sealing device mainly includes rotating ring, stationary ring, has certain sealed precision between the conflict end face of dynamic and static ring, Dynamic and static ring can be relatively rotated so as to form mechanical dynamic seal, and the operation principle of dynamic sealing is prior art.

2nd, sealing device（21）The stationary ring of dynamic sealing device be arranged on joint（24）Metal tube on.

3rd, sealing device（21）The rotating ring of dynamic sealing device be arranged on elbow（22）One end elbow without flange Outside.

4th, joint（24）Metal tube on sealing device（21）The stationary ring of dynamic sealing device is enclosed on elbow（22）It is dynamic close On the rotating ring of seal apparatus.

5th, elbow（22）And joint（24）By sealing device（21）Fixed seal connection.

Described joint（24）On flange and heat pipe dryness storehouse（1）Charging aperture（6）On flange by screw fix connect It is connected in one, joint（24）With heat pipe dryness storehouse（1）Connection be that fixing seal is air-locked.

1st, heat pipe dryness storehouse（1）During rotation, feed arrangement（2）Joint（24）With heat pipe dryness storehouse（1）Rotation；Heat pipe Dryness storehouse（1）In rotary course, joint（24）With heat pipe dryness storehouse（1）Connection be that fixing seal is air-locked.

2nd, heat pipe dryness storehouse（1）During rotation, feed arrangement（2）Elbow（22）It is fixed；Heat pipe dryness storehouse（1）Rotation During turning, feed arrangement（2）Joint（24）And elbow（22）Connection be that fixing seal is air-locked.

Described airway tube（9）One end pass through elbow（22）Extend into heat pipe dryness storehouse（1）Inside；Airway tube （9）The other end be connected to vacuum pump set（4）On.

1st, airway tube（9）And elbow（22）Connect through sealing device（21）Sealing.

2nd, airway tube（9）And elbow（22）By support（8）To fix support；Support（8）One end be fixed on elbow（22） Above, support（8）The other end be fixed on airway tube（9）On.

3rd, heat pipe dryness storehouse（1）During rotation, airway tube（9）It is fixed；Heat pipe dryness storehouse（1）In rotary course, lead Tracheae（9）And elbow（22）Connection be that fixing seal is air-locked.

4th, heat pipe dryness storehouse is extended into（1）Internal airway tube（9）It is in the shape that raises up.

Described vacuum pump set（4）Including condenser, vavuum pump.

2nd, vavuum pump extracts heat pipe dryness storehouse（1）Moisture caused by gas and dry materials in storehouse.

3rd, heat pipe dryness storehouse（1）Storehouse in moisture caused by gas and dry materials pass through airway tube（9）It is introduced into cold Condenser carries out condensation process, and condensed gas is discharged by vavuum pump again.

4th, during drum-type vacuum drying machine drying material, heat pipe dryness storehouse（1）Relative barometric pressure in storehouse for- 0.025Mpa to -0.098Mpa.

The workflow of the drying materials of drum-type vacuum dryer is as follows：

1st, heat-conducting medium（14）By heater（16）After heating, the heat-conducting medium of heat energy is carried（14）In heat conducting pipe（25）In Face, carry the heat-conducting medium of heat energy（14）Pass through heat conducting pipe（25）On hot recycle pump conveying, by heating tank（10）Heat energy Import（11）Into heating tank（10）It is interior；Carry the heat-conducting medium of heat energy（14）Give heat pipe dryness storehouse（1）Roller tube（29） Heat conduction is heated；Heat-conducting medium after heat exchange radiating（14）Pass through heating tank（10）Heat energy import（12）Flow out heating tank（10） Afterwards, the heat-conducting medium after heat exchange radiating（14）Through heat conducting pipe（25）It is input into heater（16）Heat again, what is repeated always adds Heat, heat exchange, radiating.

2nd, drive device is started（13）, drive device（13）Driving wheel occlusion drive heat pipe dryness storehouse（1）On tooth Wheel rim（7）The gear teeth, gear ring（7）Drive heat pipe dryness storehouse（1）Rotation；Heat pipe dryness storehouse（1）Pass through drive device（13） Drive, heat pipe dryness storehouse（1）By support（8）On support roller（15）Hold in the palm rotary motion.

3rd, feed arrangement is started（2）Discharge gate（23）, discharge gate（23）Start rotary work, feed hopper（30）It is interior Wet stock through discharge gate（23）Into heat pipe dryness storehouse（1）It is interior.

4th, vacuum pump set is started（4）Vavuum pump, vavuum pump starts exhaust and takes out heat pipe dryness storehouse（1）Gas and material do Moisture caused by dry, moisture caused by gas and grain dry pass through heat conducting pipe（9）By vacuum pump set（4）Vavuum pump Pump drainage, heat pipe dryness storehouse（1）Relative pressure in storehouse is maintained at -0.065Mpa.

5th, heating tank（10）Interior heat-conducting medium（14）Heat pass through heat pipe dryness storehouse（1）Roller（18）Roller tube （29）And heat pipe（19）It is conducted to heat pipe dryness storehouse（1）On interior material；Heat energy constantly gives material conduction heating, and heat pipe is done Dry storehouse（1）The moisture in material in storehouse just ceaselessly vaporizes, and material just reaches dry purpose.

6th, heat pipe dryness storehouse（1）Interior material leans on helical blade（17）Rotation promote in the presence of, material is done by heat pipe Dry storehouse（1）Charging aperture（6）To heat pipe dryness storehouse（1）Discharging opening（5）Place's flowing, dried material reach heat pipe dryness storehouse （1）Discharging opening（5）Behind place, dried material is through drawing mechanism（3）Discharge heat pipe dryness storehouse（1）.

Above example is only intended to help the preparation method and its core concept for understanding the present invention, and specific implementation is not limited to It is made without performing creative labour from above-mentioned design in above-mentioned specific embodiment, those skilled in the art Change, all fall within protection scope of the present invention.

Claims

A kind of 1. drum-type vacuum dryer, it is characterised in that：Drum-type vacuum dryer includes heat pipe dryness storehouse（1）, charging Device（2）, drawing mechanism（3）, vacuum pump set（4）, gear ring（7）, support（8）, airway tube（9）, heating tank（10）, driving dress Put（13）, heat-conducting medium（14）, support roller（15）, heat-insulation layer（27）, heat conducting pipe（25）, heater（16）；

Described heat pipe dryness storehouse（1）Including heat pipe（19）, roller（18）, helical blade（17）；

Described helical blade（17）It is weldingly fixed on roller（18）Roller tube（29）On；Helical blade（17）In roller （18）Interior roller tube（29）On layout surround shape；

Described roller（18）Face shaping be cylindric, roller（18）Both ends be taper；Roller（18）Internal diameter height It is 2500mm, roller（18）Internal diameter height be 1800-5500mm, roller（18）Length be 3500-18000mm；

Described heat pipe（19）Including metal tube, fin, heat-conducting work medium；In the pipe for the metal tube that heat-conducting work medium seals at both ends； Heat pipe（19）And heat pipe（19）Between spacing be 15-50mm；Heat pipe（19）Centre position welded respectively by 1-3 bonding jumpers Connect the adjacent heat pipe of fixed support（19）, heat pipe（19）The convex arc end at both ends（20）With roller（18）Roller tube（29） Binding site pass through welder, heat pipe（19）With roller（18）It is fixed as one；A piece heat pipe（19）Inside and another Root heat pipe（19）Inside be not communicated with；

Described gear ring（7）Installed in heat pipe dryness storehouse（1）The roller at both ends（18）Roller tube（29）On；

Described support roller（15）It is fixedly mounted on support（8）On, support roller（15）Rotating wheel can be with the turning effort of external force In support（8）Upper rotary work；

Described support（8）On support roller（15）Hold in the palm heat pipe dryness storehouse（1）The charging aperture at both ends（6）, discharging opening（5）；

Described drive device（13）It is fixedly mounted on support（8）On；

Described heating tank（10）Heat energy import（11）Pass through heat conducting pipe（25）It is connected to heater（16）On, heating tank （10）Heat energy outlet（12）Pass through heat conducting pipe（25）It is connected to heater（16）On；Heat conducting pipe（25）On be enclosed with heat-insulation layer To be incubated, heat conducting pipe（25）On a hot recycle pump is installed；Heat-conducting medium（14）In heating tank（10）, heat conducting pipe（25）, add Thermal（16）Inner loop use；

Described heat pipe dryness storehouse（1）Roller（18）Lower portion be immersed in heating tank（10）Interior heat-conducting medium（14） In；

Described heat pipe dryness storehouse（1）And heating tank（10）Outside installation heat-insulation layer（27）To be incubated, heat-insulation layer（27）It is solid Fixed motionless, heat-insulation layer（27）With heat pipe dryness storehouse（1）Roller（18）Spacing be 50-100mm, heat-insulation layer（27）It is fixed It is fitted in heating tank（10）Outside on；

Described feed arrangement（2）Installed in heat pipe dryness storehouse（1）Charging aperture（6）On；Drawing mechanism（3）Done installed in heat pipe Dry storehouse（1）Discharging opening（5）；Feed arrangement（2）By support（8）Fixed support；Support（8）It is fixedly supported on feed arrangement（2） Elbow（22）On, support（8）And elbow（22）It is connected and is integrated；Drawing mechanism（3）By support（8）Fixed support；Branch Frame（8）It fixedly support material apparatus（3）Elbow（22）On, support（8）And elbow（22）It is connected to one；

Described drawing mechanism（3）Including sealing device（21）, elbow（22）, discharge gate（23）, joint（24）；Joint（24） On flange and heat pipe dryness storehouse（1）Discharging opening（5）On flange be connected to one by screw, joint（24）And heat pipe Dryness storehouse（1）Connection be that fixing seal is air-locked；Heat pipe dryness storehouse（1）During rotation, drawing mechanism（3）Joint（24）With Heat pipe dryness storehouse（1）Rotation；Heat pipe dryness storehouse（1）In rotary course, joint（24）With heat pipe dryness storehouse（1）Connection be solid Determine sealed air-tight；Heat pipe dryness storehouse（1）During rotation, drawing mechanism（3）Elbow（22）It is fixed；Heat pipe dryness storehouse （1）In rotary course, drawing mechanism（3）Joint（24）And elbow（22）Connection be that fixing seal is air-locked；

Described feed arrangement（2）Including sealing device（21）, elbow（22）, discharge gate, joint（24）, airway tube（9）, branch Frame（8）；Joint（24）On flange and heat pipe dryness storehouse（1）Charging aperture（6）On flange be connected to one by screw, Joint（24）With heat pipe dryness storehouse（1）Connection be that fixing seal is air-locked；Heat pipe dryness storehouse（1）During rotation, feed arrangement （2）Joint（24）With heat pipe dryness storehouse（1）Rotation；Heat pipe dryness storehouse（1）In rotary course, joint（24）Dried with heat pipe Storehouse（1）Connection be that fixing seal is air-locked；Heat pipe dryness storehouse（1）During rotation, feed arrangement（2）Elbow（22）It is fixed It is motionless；Heat pipe dryness storehouse（1）In rotary course, feed arrangement（2）Joint（24）And elbow（22）Connection be fixing seal It is air-locked；

Described airway tube（9）One end pass through elbow（22）Extend into heat pipe dryness storehouse（1）Inside；Airway tube（9）'s The other end is connected to vacuum pump set（4）On；Airway tube（9）And elbow（22）Connect through sealing device（21）Sealing；Lead Tracheae（9）And elbow（22）By support（8）To fix support；Support（8）One end be fixed on elbow（22）Above, support （8）The other end be fixed on airway tube（9）On；Heat pipe dryness storehouse（1）During rotation, airway tube（9）It is fixed；Heat pipe is dried Storehouse（1）In rotary course, airway tube（9）And elbow（22）Connection be that fixing seal is air-locked；Extend into heat pipe drying Storehouse（1）Internal airway tube（9）It is in the shape that raises up；

Described vacuum pump set（4）Including condenser, vavuum pump；Heat pipe dryness storehouse（1）Storehouse in gas and produce during dry materials Raw moisture passes through airway tube（9）It is introduced into condenser and carries out condensation process, condensed gas is discharged by vavuum pump again；

During drum-type vacuum drying machine drying material, heat pipe dryness storehouse（1）Relative barometric pressure in storehouse is -0.025Mpa To -0.098Mpa；

The workflow of the drying materials of drum-type vacuum dryer is as follows：

First, heat-conducting medium（14）By heater（16）After heating, the heat-conducting medium of heat energy is carried（14）In heat conducting pipe（25）In Face, carry the heat-conducting medium of heat energy（14）Pass through heat conducting pipe（25）On hot recycle pump conveying, by heating tank（10）Heat energy Import（11）Into heating tank（10）It is interior；Carry the heat-conducting medium of heat energy（14）Give heat pipe dryness storehouse（1）Roller tube（29） Heat conduction is heated；Heat-conducting medium after heat exchange radiating（14）Pass through heating tank（10）Heat energy import（12）Flow out heating tank（10） Afterwards, the heat-conducting medium after heat exchange radiating（14）Through heat conducting pipe（25）It is input into heater（16）Heat again, what is repeated always adds Heat, heat exchange, radiating；

2nd, drive device is started（13）, drive device（13）Driving wheel occlusion drive heat pipe dryness storehouse（1）On gear ring （7）The gear teeth, gear ring（7）Drive heat pipe dryness storehouse（1）Rotation；Heat pipe dryness storehouse（1）Pass through drive device（13）Drive , heat pipe dryness storehouse（1）By support（8）On support roller（15）Hold in the palm rotary motion；

3rd, feed arrangement is started（2）Discharge gate（23）, discharge gate（23）Start rotary work, feed hopper（30）Interior Wet stock is through discharge gate（23）Into heat pipe dryness storehouse（1）It is interior；

4th, vacuum pump set is started（4）Vavuum pump, vavuum pump starts exhaust and takes out heat pipe dryness storehouse（1）Gas and dry materials Moisture caused by caused moisture, gas and grain dry passes through heat conducting pipe（9）By vacuum pump set（4）Vavuum pump take out Row；

5th, heating tank（10）Interior heat-conducting medium（14）Heat pass through heat pipe dryness storehouse（1）Roller（18）Roller tube （29）And heat pipe（19）It is conducted to heat pipe dryness storehouse（1）On interior material；Heat energy constantly gives material conduction heating, and heat pipe is done Dry storehouse（1）The moisture in material in storehouse just ceaselessly vaporizes, and material just reaches dry purpose；

6th, heat pipe dryness storehouse（1）Interior material leans on helical blade（17）Rotation promote in the presence of, material is by heat pipe dryness storehouse （1）Charging aperture（6）To heat pipe dryness storehouse（1）Discharging opening（5）Place's flowing, dried material reach heat pipe dryness storehouse（1） Discharging opening（5）Behind place, dried material is through drawing mechanism（3）Discharge heat pipe dryness storehouse（1）.
A kind of 2. drum-type vacuum dryer according to claim 1, it is characterised in that：Heat pipe（19）It is light pipe heat pipe, Either there is the heat pipe of fin；The diameter of heat pipe is 25-50mm；The height of heat pipe is 1000-5500mm.
A kind of 3. drum-type vacuum dryer according to claim 1, it is characterised in that：Drive device（13）It is motor, Either hydraulic motor.
A kind of 4. drum-type vacuum dryer according to claim 1, it is characterised in that：Heating tank（10）Dried with heat pipe Storehouse（1）Roller（18）It is unconnected, heating tank（10）And roller（18）Roller tube（29）Spacing be 50- 100mm。
A kind of 5. drum-type vacuum dryer according to claim 1, it is characterised in that：Heat-conducting medium（14）It is water, or Person is conduction oil, or non-freezing solution；Heat-conducting medium（14）Filling amount be heating tank（10）50-the 85% of interior capacity.
A kind of 6. drum-type vacuum dryer according to claim 1, it is characterised in that：Heating tank（10）It is by support （8）Fixed support, heating tank（10）Either directly it is fixedly mounted on the ground.
A kind of 7. drum-type vacuum dryer according to claim 1, it is characterised in that：Joint（24）It is metal tube, method Orchid combination makes, and flange is fixed on one end of metal tube；Sealing device（21）It is dynamic sealing device, elbow（22）And joint （24）By sealing device（21）Fixed seal connection；Elbow（22）Flange on one end is fixedly connected discharge gate（23）On, Elbow（22）And discharge gate（23）It is connected to one；Discharge gate（23）One end be connected to elbow（22）, the other end It is connected to discharge bucket；Discharge bucket（31）And discharge gate（23）It is connected to one；Joint（24）Metal tube on sealing Device（21）It is enclosed on elbow（22）The other end on；Joint（24）And elbow（22）Connect through sealing device（21）It is close Envelope, joint（24）And elbow（22）Connection be that fixing seal is air-locked.
A kind of 8. drum-type vacuum dryer according to claim 1, it is characterised in that：Discharge gate（23）It is valve, Either airlock.
A kind of 9. drum-type vacuum dryer according to claim 1, it is characterised in that：Sealing device（21）It is magnetic fluid Sealing device, or dynamic sealing device.
A kind of 10. drum-type vacuum dryer according to claim 1, it is characterised in that：Heater（16）It is boiler, Either heat pump, or combustion furnace.