CN110108095A - The microwave hot air combined drying equipment of ceramic material - Google Patents
The microwave hot air combined drying equipment of ceramic material Download PDFInfo
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- CN110108095A CN110108095A CN201910499460.6A CN201910499460A CN110108095A CN 110108095 A CN110108095 A CN 110108095A CN 201910499460 A CN201910499460 A CN 201910499460A CN 110108095 A CN110108095 A CN 110108095A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Environmental & Geological Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to ceramic powder preparation technical field, especially a kind of microwave hot air combined drying equipment of ceramic material；Including drying box, conveying device, hot blast conveying pipe road, hydrofuge total pipeline, several wet-emitting blowers and several circulating fans；Drying box includes upper box and lower box, and upper box is internally provided with multiple microwave generators, and for lower box by divides at front and back two parts, front is hot wind cavity, and rear portion is dry cavity；Conveying device is mounted in dry cavity；The blanking end of feeding belt is located at the top of conveying device feed end；In upper box, ceramic material is heated jointly by microwave and hot wind, hot wind continues to dry the ceramic material after microwave integrally heats in drying chamber body, therefore, the entire drying process used time is short, high-efficient, energy consumption is low, in addition it dries below cavity and also sets up a heat exchanger, for carrying out heat exchange to kiln hot air.
Description
Technical field
The present invention relates to ceramic powder preparation technical field, especially a kind of microwave hot air combined drying of ceramic material is set
It is standby.
Background technique
Ceramic industry is a high energy consumption, the industry of high pollution.Spray drying tower in production for powder preparation is heat
The capital equipment that can be consumed and convert, energy consumption account for 35% of total production cost or more.
Traditional ceramic powder production technology is pressurizeed usually by aqueous 30%~40% ceramic mud through plunger pump
Spray gun atomization by meeting aperture requirement sprays into spray drying tower, while the high-temperature hot air generated through Combustion of Hot Air Furnace is (in furnace
800 DEG C~1050 DEG C) enter spray drying tower, the mud droplet of the hot-air quickly flowed in spray drying tower and atomization
It comes into full contact with, takes away the moisture in mud droplet rapidly, moisture is taken away by negative pressure induced wind machine together with exhaust gas therein, evaporation
The mud drop of moisture becomes ceramic powder particle, moisture content by hot-blast stove in-furnace temperature and negative pressure induced wind machine air draft
Depending on amount, it generally can be controlled in 5%~10%.
Traditional ceramic powder production technology has the following deficiencies:
1, the hot-blast stove of heat source is provided for spray drying tower, fuel is mostly water-coal-slurry or coal dust, is generated after burning
Flue gas be sulfur-bearing, more dirt, high humility flue gas, generate pollutant quantity it is big, pollutant environmental protection treatment is costly；
2, energy consumption is high.
Therefore, when being produced using traditional ceramics powder production technology, energy consumption is high, seriously polluted, high production cost.
To solve that ceramic mud is dried using spray drying tower, the bring above problem, we have developed new
Ceramic powder production technology, which is first made rectangular filter cake by filter press ceramic mud, then filter cake is broken into ceramics
Then pug recycles the hot wind of residual heat from kiln furnace and/or air-heater to dry ceramic material, finally ceramic material is broken again
It is broken into ceramic particle, to solve the problems, such as traditional handicraft using spray drying tower bring high energy consumption, high pollution.
Summary of the invention
In order to be dried to ceramic material, the drying time of ceramic material is reduced, improves drying efficiency, we research and develop one
The kind microwave hot air combined drying equipment of ceramic material, the equipment can be dried into water content for 18%~25% ceramic material aqueous
Amount is 7%~10% ceramic material, and drying process time-consuming is shorter.
In order to achieve the above functions, present invention provide the technical scheme that
A kind of microwave hot air combined drying equipment of ceramic material, including drying box, conveying device, hot blast conveying pipe road,
Hydrofuge total pipeline, several wet-emitting blowers and several circulating fans；
The drying box includes upper box and lower box, and the upper box is fixedly mounted on the top of the lower box；
Along the length direction of the upper box, several dehumidifier mouths are provided at the top of the upper box, in inside
Multiple microwave generators are provided with, are provided through feeding belt in bottom；The dehumidifier mouth and institute are connected by hydrofuge subtube
Hydrofuge total pipeline is stated, the wet-emitting blower is arranged on the hydrofuge subtube；
For the lower box by divides at front and back two parts, front is hot wind cavity, and rear portion is dry cavity；Along
The conveying direction of the conveying device, the upper and lower part of the demarcation plate are uniformly provided with multiple hot wind through-holes respectively；It is described
The top of hot wind cavity is uniformly provided with multiple hot wind inlets, and the hot wind inlet is connected with the one end in hot blast conveying pipe road respectively
It is logical, the communication port of multiple the connection upper boxes and the lower box is uniformly provided at the top of the dry cavity；
The conveying device is mounted in the dry cavity；The blanking end of the feeding belt be located at the conveying device into
Expect the top at end；The circulating fan is uniformly arranged on the top of the dry cavity.
Preferably, the microwave hot air combined drying equipment of ceramic material further includes a heat exchanger, the clean heat of the heat exchanger
Wind outlet is connected with the hot wind cavity.
Preferably, along the length direction of the upper box, multiple microwave heatings are internally provided in the upper box
Case is equipped at least one described microwave generator in each microwave heating box.
Preferably, the conveying device includes several conveyer belts, and conveyer belt is successively set on dry cavity from top to bottom
Interior, one end of conveyer belt is feed end, and the other end is blanking end, and the blanking end of every conveyer belt and feed end are respectively arranged with master
Driving wheel and driven wheel, driving wheel are fixedly mounted on the output shaft of motor and are driven by motor rotation, and the driving wheel drives institute
State conveyer belt rotation.
Preferably, material-falling hopper is provided with below the blanking end of the feeding belt.
Preferably, regulating valve is provided between the wet-emitting blower and dehumidifier subtube.
Preferably, the wet hot-blast outlet of the hydrofuge total pipeline is connected by pipeline with the waste heat wind inlet of the heat exchanger
It connects.
Preferably, the quantity of the conveyer belt is 4, and 4 conveyer belts are 3 chain net belts and 1 conveyor belt,
Middle conveyor belt is arranged in lowest level.
Preferably, the hot wind through-hole on top is located at the top of top layer's chain net belt, and the hot wind through-hole of lower part is located at most
Between the chain net belt and conveyor belt of lower layer.
Preferably, the tail portion at the upper blanking end in the conveyer belt of the dry cavity is tiltedly installed with striker plate.
Preferably, along the conveying direction of chain net belt, the top of every chain net belt is also evenly arranged with more
Stirring rod is circumferentially evenly arranged with multi-disc strip material mixing piece on every stirring rod.
Preferably, the microwave hot air combined drying equipment of the ceramic material further includes a swing material distributing machine, the swing cloth
The cloth bucket of material machine is located at the top of the feed end of the feeding belt.
The beneficial effects of the present invention are:
1, microwave generator is set through setting upper box and in upper box, and microwave generator generates microwave, microwave pair
Intracorporal positioned at top box is in that bulk or block-like ceramic material are heated, because microwave heating is to carry out entirety to ceramic material
Heating, so the inside of ceramic material is also heated simultaneously, entire ceramic material is heated evenly, and is conducive to ceramic material internal water
The discharge and its heating rate divided is fast, drying efficiency is high；
2, hot wind is being done through hot wind cavity and by the upper and lower two thermal wind exhaustings through-hole of demarcation plate under the action of circulating fan
Circulation up and down in dry cavity, to guarantee coming into full contact with for hot wind and ceramic material, dry hot wind gradually takes away ceramic material
On moisture after, become the lower damp and hot wind of temperature, then be discharged into hydrofuge total pipeline through dehumidifier blower, ceramic material passes through drying box
It is aqueous to be most reduced to 7%~10% after body drying, and transferred out outside drying box by conveying device；This drying process by
Residual heat from kiln furnace is used in main, therefore energy consumption is small, at low cost；In addition in this drying process, since ceramic material is whole
First by microwave heating, therefore its internal moisture velocity of discharge is faster, and drying time is short；
3, multiple communication ports are provided between upper box and lower box, therefore dehumidifier blower is during hydrofuge wind, it is wet
Hot wind can enter in upper box, heat, make full use of full of entire upper box and to the ceramic material being located in upper box
The surplus of hot wind, improves the service efficiency of hot wind；The intracorporal ceramic material of top box is additionally disposed in be total to by microwave and hot wind
Same-action is conducive to shorten drying time；
4, the present invention is when using kiln hot air, by setting heat exchanger the heat in the kiln hot air with harmful substance
Amount exchange in clean air, obtain clean hot wind, clean hot wind passes through hot wind cavity again, into drying chamber body in ceramics
Pug is dried, to reduce pollution of the pernicious gas to workplace；
5, the remaining heat in the damp and hot wind that hydrofuge total pipeline is discharged by heat exchanger recycles, to reduce heat wave
Take, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the structural schematic diagram of microwave heating box；
Fig. 5 is the structural schematic diagram of embodiment two；
Fig. 6 is the partial sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram of heat exchange main body.
Specific embodiment
1 to attached drawing 7, the present invention is further elaborated with reference to the accompanying drawing:
Fig. 1 to it is attached it is shown in Fig. 3 be the present embodiment use a kind of microwave hot air combined drying equipment of ceramic material, it wrap
Include drying box 1, conveying device 2, hot blast conveying pipe road 3, hydrofuge total pipeline 4, wet-emitting blower 5 and circulating fan 6.
Drying box 1 includes upper box 11 and lower box 12, and upper box 11 is fixedly mounted on the top of lower box 12；At this
Upper box 11 and lower box 12 are in cuboid in embodiment, are welded using metal, such as stainless steel plate, and upper box 11 is under
Cabinet 12 is about 20m, wide about 2.5m, and wherein the height of upper box 11 is about 1.5m, and the height of lower box 12 is about 3.5m.
Along the length direction of upper box 11, a feeding belt 20 runs through the bottom that upper box 11 is arranged in, feeding belt 20
Front and back be respectively feed end and blanking end, in the present embodiment, feed end and blanking end are located at upper box 11
Outside, wherein blanking end and feed end are respectively arranged with driving wheel and driven wheel, and driving wheel is fixedly mounted on the output of motor
On axis and rotation is driven by motor, so that ceramic material be driven to be transported to blanking end from feed end.The left of drying box 1 is arranged
There is a swing material distributing machine 100, the cloth bucket of swing material distributing machine 100 is located at the top of the feed end of feeding belt 20.
Multiple microwave generators 30 are evenly arranged with along the feed direction of feeding belt 20 inside upper box 11.In this reality
It applies in example, assembles for convenience, the internal series-connection of upper box 11 is provided with 14 microwave heating box 40, each microwave heating box 40
One microwave generator 30 is inside installed, microwave generator 30 generates microwave, then by waveguide and blender 50 make microwave compared with
It is evenly distributed in the inner cavity of microwave heating box 40.As shown in figure 4, the main body of the cabinet of microwave heating box 40 is cuboid,
Roof is in straight four prism type, and the rear wall of cabinet 401 is arranged in microwave generator 30, and blender 50 is arranged in cabinet 401
The top of chamber.Microwave generator 30, waveguide and blender 50 be existing product, mounting means and working principle with it is existing
Same parts are similar on micro-wave oven, we are no longer described in detail.
Microwave heating first is carried out to ceramic material and solves the problems, such as that hot wind has ceramic material heating, i.e., hot wind is to pottery
The heating of porcelain pug is surface heat, but the inside of pug is difficult heat, therefore will cause the dry tack free of pug, but inside is not done,
In addition, will form a protective layer after surface is dry and hard, the discharge of inside pug moisture has been obstructed, has spent the process entirely dried
Time is long.Microwave heating is that whole heating is carried out to ceramic material, so the inside of ceramic material is also heated simultaneously, is entirely made pottery
Porcelain pug is heated evenly, and is conducive to the discharge of ceramic material internal moisture and its heating rate is fast, drying efficiency is high.
Lower box 12 is separated into front and back two parts by demarcation plate 123, and front is hot wind cavity 121, and rear portion is dry cavity
122.Conveying device 2 is mounted in dry cavity 122, and in the present embodiment, conveying device 2 includes 4 conveyer belts, 4 conveyings
Band is successively set on from top to bottom in dry cavity 122, and one end of conveyer belt is feed end, and the other end is blanking end, and every defeated
The blanking end of band and feed end is sent to be respectively arranged with driving wheel and driven wheel, driving wheel is fixedly mounted on the output shaft of motor simultaneously
Rotation, the rotation of driving wheel driving conveying belt is driven by motor.4 conveyer belts are 3 chain net belts and 1 conveyor belt,
Middle conveyor belt is arranged in lowest level.
The blanking end of feeding belt 20 is located at the surface of the feed end of the chain net belt of top layer；In order to guarantee feeding belt
Ceramic material on 20 can accurately be fallen on the feed end of chain net belt of top layer, in the lower section at the blanking end of feeding belt 20
It is provided with material-falling hopper 60, the top of feed end of the material-falling hopper 60 in inversed taper platform shape and positioned at the chain net belt of top layer.Dry
On dry cavity 122, the tail portion at the blanking end of conveyer belt is tiltedly installed with striker plate 1221, to guarantee ceramic material from upper one layer
Blanking end fallen on next layer of feed end completely.
Along the conveying direction of conveyer belt, the upper and lower part of the demarcation plate 123 of hot wind cavity 121 and dry cavity 122
It is uniformly provided with multiple hot wind through-holes 1231 respectively, the hot wind through-hole 1231 on top is located at the top of top layer's chain net belt,
The hot wind through-hole 1231 of lower part is between undermost chain net belt and conveyor belt；The top of hot wind cavity 121 is uniform
Multiple hot wind inlets 1211 are offered, hot wind inlet 1211 is connected with the one end in hot blast conveying pipe road 3 respectively.Hot blast conveying pipe
The other end in road 3 is connected with the air outlet of the exhaust pipe of kiln and air-heater and air outlet respectively, in hot blast conveying pipe road 3
Portion is provided with air blower.During use, by air blower residual heat from kiln furnace (about 200 DEG C~400 DEG C of temperature) or hot wind
The hot wind that machine generates is sent into the hot wind cavity 121 of lower box 12, and keeps the temperature in dry cavity 122 between 80~250
Between DEG C.Temperature in dry cavity 122 can be detected by the way that temperature sensor is arranged in dry cavity 122, and be led to
Start and stop or the revolving speed of control air blower are crossed to control, in the art, these are common technological means, herein not to its original
Reason is repeated.
The centre at the top of dry cavity 122 is evenly arranged with several circulating fans 6 along the conveying direction of conveyer belt,
Make the hot wind in hot wind cavity 121 in dry 122 internal circulation flow of cavity by circulating fan 6.
The top of dry cavity 122 is uniformly opened up in one end far from hot wind inlet 1211 along the conveying direction of conveyer belt
There is the communication port of multiple connection upper boxes 11 and lower box 12.In the present embodiment, 14 connections are offered on dry cavity 122
Mouthful, the corresponding communication port of each microwave heating box 40, the bottom of the cabinet 401 of microwave heating box 40 corresponds to communication port and offers
Corresponding through-hole 4011, top offers moisture exhausting port 4012.Damp and hot wind in dry cavity 122 passes through communication port, through-hole 4011
Enter in upper box 11 into the cabinet 401 of microwave heating box 40, then through moisture exhausting port 4012.In upper box 11, microwave and wet
Hot wind simultaneously heats ceramic material.
The top of upper box 11 is provided with several dehumidifier mouths, in the present embodiment, is equipped with 9 dehumidifier mouths, every 3 pumpings altogether
Wet mouth is one group and connects by dehumidifier subtube 7 that each dehumidifier subtube 7 passes through wet-emitting blower 5 and hydrofuge total pipeline 4 respectively again
Connection takes the damp and hot wind in dry cavity 122 and upper box 11 away by wet-emitting blower 5.Wet-emitting blower 5 and dehumidifier subtube
It is provided with regulating valve 8 between 7, air output is adjusted by regulating valve 8, to adjust dehumidifier speed.In actual use, Wo Menke
Humidity sensor is set with the middle part in dry cavity 122, to understand the humidity condition in dry cavity 122 in real time, works as chamber
When interior humidity is undesirable, we can pass through start and stop wet-emitting blower 5 or the aperture regulation dehumidifier speed of adjusting regulating valve 8
Degree.
To make ceramic material more uniformly be heated, along the conveying direction of conveyer belt, the top of every chain net belt is also
3 stirring rods 9 are evenly arranged with, multi-disc strip material mixing piece, stirring rod are circumferentially evenly arranged on every stirring rod 9
Rotation is driven by motor.When small pug is transported to 9 lower section of stirring rod along chain net belt, the material mixing piece of rotation stirs chain
Ceramic material above net belt guarantees that small pug is whole by evenly drying to keep ceramic material heated more evenly.
In addition, not meeting the microwave leakage of safety requirements in order to prevent into public environment, we send feeding belt 20
Material end and blanking end are separately installed with microwave suppressor 70 at upper box 11.
In use, ceramic material is equably trickled down by swinging material distributing machine 100 in the front end of the feed end of feeding belt 20, pottery
Porcelain pug is fed band 20 and is sent into upper box 11, and microwave and wet hot air combined is carried out during slow transitting through upper box 11
Heat drying, finally from the feed end of chain net belt that the blanking end of feeding belt 20 falls to top layer, into drying chamber
In body 122, and blanking end is moved to from feed end along chain net belt, then fall to next layer of chain net belt from blanking end
On feed end, and so on downwards, the drying clod after final drying transfers out lower box 12 by conveyor belt, in this mistake
The hot wind that residual heat from kiln furnace or air-heater generate in journey is entered in hot blast conveying pipe road 3 by air blower, then simultaneously through hot wind cavity 121
Through the upper and lower two thermal wind exhaustings through-hole 1231 of demarcation plate 123 under the action of circulating fan 6, followed up and down in dry cavity 122
Ring after dry hot wind gradually takes away the moisture on ceramic material, becomes to guarantee coming into full contact with for hot wind and ceramic material
The lower damp and hot wind (temperature is about 60 DEG C~80 DEG C) of temperature, damp and hot wind is under the action of wet-emitting blower 5, by communication port from dry
Dry cavity 122 enters in microwave heating box 40, heats, makes full use of wet to the ceramic material being located in microwave heating box 40
The heat of hot wind, last damp and hot wind are discharged into hydrofuge total pipeline 4 through moisture exhausting port 4012, dehumidifier mouth again.Ceramic material is by the present invention
It is aqueous to be most reduced to 7%~10% after drying, and transferred out outside lower box 12 by conveyor belt.
It should be noted that described wet-emitting blower 5, circulating fan 6 are for ease of description, by blower in the description
Purposes name in the present specification, using the blower for being able to achieve associated uses in city's dealer's product when use；Swing cloth
Machine 100 is the common charging equipment of dry industry, and structural reference city dealer's product do not repeat its principle herein.Separately
Outside, this specification is previously mentioned motor, all types of blowers can be used cooperatively with frequency converter, to adjust the revolving speed of motor, blower
Come adjust feeding speed and drying box 1 air inlet and exhausting speed, to reach preferable drying purpose.
Embodiment two:
The present embodiment is to be further optimized on the basis of example 1, is embodied in:
As shown in Figure 5 and Figure 6, the microwave hot air combined drying equipment of ceramic material further includes a heat exchanger 10, heat exchanger 10
Including heat exchange shell 101, heat exchange main body 102, waste heat wind inlet 103, remaining hot-blast outlet 104, clean wind inlet 105 and clean heat
The lower section of drying box 1 is arranged in wind outlet 106, heat exchange shell 101, and the setting of heat exchange main body 102 is remaining in heat exchange shell 101
The left and right sides of heat exchange shell 101,6 clean wind inlets 105 and 6 are respectively set in hot wind inlet 103 and remaining hot-blast outlet 104
Leading flank and the trailing flank of heat exchange shell 101 are uniformly arranged in along the conveying direction of ceramic material for clean hot-blast outlet 106,
The front end of clean wind inlet 105 is provided with air blower (not shown), in clean hot-blast outlet 106 and 121 phase of hot wind cavity
Connection.In the present embodiment, it is connected with piping with the bottom of hot wind cavity 121 in clean hot-blast outlet 106.
As shown in fig. 7, heat exchange main body 102 mainly includes partition 1021, fin 1022 and strip of paper used for sealing 1023, upper and lower adjacent
Fin 1022 is placed between two partitions 1021 and strip of paper used for sealing 1023 constitutes an interlayer, referred to as channel, by multiple interlayers according to adjacent two wing
1022 direction square crossing of piece is stacked, is brazed into a single piece and just forms heat exchange main body 102.Heat exchange main body 102 is equipped with again
Necessary end socket, adapter tube, support, deflector etc. and heat exchange main body 102, waste heat wind inlet 103, remaining hot-blast outlet 104, clean wind
Import 105 and clean hot-blast outlet 106, which fit together, has just obtained plate-fin heat exchanger 10.During actual use,
We also can according to need the existing heat exchanger using other styles, such as double pipe heat exchanger.
The wet hot-blast outlet of hydrofuge total pipeline 4 is connected by pipeline with waste heat wind inlet 103.In the present embodiment, I
Using Two In and One Out Y-shaped pipeline, the outlet of pipeline is connected with waste heat wind inlet 103, two imports of pipeline, one and
The hot wind discharge duct of kiln is connected, another is connected with the wet hot-blast outlet of hydrofuge total pipeline 4.Wet hot-blast outlet discharge
Although damp and hot wind humidity it is larger be not suitable for directly with ceramic material contact drying, its temperature is still higher to pass through heat exchanger
10 progress heat exchanges obtain clean hot wind, then ceramic material is dried with clean hot wind.
In use, kiln hot air, damp and hot wind access heat exchanger 10, obtain clean hot wind by heat exchange, clean hot wind into
Enter in hot wind cavity 121, or the hot wind that generates of clean hot wind and air-heater enters mixing in hot wind cavity 121 simultaneously, then into
Enter and ceramic material is dried in dry cavity 122.In actual use, when kiln hot air is enough, we are just single
Solely ceramic material is dried using kiln hot air；It is mixed using kiln hot air and air-heater hot wind when kiln hot air deficiency
Ceramic material is dried in conjunction.
The present embodiment two has superior technique effect with respect to embodiment one:
1, kiln hot air obtains the clean hot wind for drying ceramic material by the heat exchange of heat exchanger, and clean hot wind is not
Comprising the pernicious gas contained in kiln hot air, be conducive to protect the environment of workplace and the health of operator；
2, in the present embodiment, damp and hot wind can utilize again, reduce heat waste.
Embodiment described above, only preferred embodiments of the invention, be not to limit practical range of the invention, therefore it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done, should be included in the present invention
In patent claim.
Claims (12)
1. a kind of microwave hot air combined drying equipment of ceramic material, it is characterised in that: including drying box, conveying device, hot wind
Conveyance conduit, hydrofuge total pipeline, several wet-emitting blowers and several circulating fans；
The drying box includes upper box and lower box, and the upper box is fixedly mounted on the top of the lower box；
Along the length direction of the upper box, it is provided with several dehumidifier mouths at the top of the upper box, is arranged in inside
There are multiple microwave generators, is provided through feeding belt in bottom；The dehumidifier mouth and the row are connected by hydrofuge subtube
Wet total pipeline, the wet-emitting blower are arranged on the hydrofuge subtube；
For the lower box by divides at front and back two parts, front is hot wind cavity, and rear portion is dry cavity；Along described
The conveying direction of conveying device, the upper and lower part of the demarcation plate are uniformly provided with multiple hot wind through-holes respectively；The hot wind
The top of cavity is uniformly provided with multiple hot wind inlets, and the hot wind inlet is connected with the one end in hot blast conveying pipe road respectively,
The communication port of multiple the connection upper boxes and the lower box is uniformly provided at the top of the dry cavity；
The conveying device is mounted in the dry cavity；The blanking end of the feeding belt is located at the conveying device feed end
Top；The circulating fan is uniformly arranged on the top of the dry cavity.
2. the microwave hot air combined drying equipment of ceramic material as described in claim 1, it is characterised in that: along the upper box
Length direction be equipped at least in each microwave heating box in multiple microwave heating box that are internally provided with of the upper box
One microwave generator.
3. the microwave hot air combined drying equipment of ceramic material as described in claim 1, it is characterised in that: the conveying device packet
Several conveyer belts are included, conveyer belt is successively set on from top to bottom in drying chamber body, and one end of conveyer belt is feed end, the other end
For blanking end, the blanking end of every conveyer belt and feed end are respectively arranged with driving wheel and driven wheel, and driving wheel is fixedly mounted on
On the output shaft of motor and rotation is driven by motor, the driving wheel drives the conveyer belt rotation.
4. the microwave hot air combined drying equipment of ceramic material as described in claim 1, it is characterised in that: the feeding belt is fallen
Material is provided with material-falling hopper below end.
5. the microwave hot air combined drying equipment of ceramic material as described in claim 1, it is characterised in that: the wet-emitting blower and
Regulating valve is provided between dehumidifier subtube.
6. the microwave hot air combined drying equipment of ceramic material as described in claim 1 to 5 any one, it is characterised in that: pottery
The microwave hot air combined drying equipment of porcelain pug further includes a heat exchanger, the clean hot-blast outlet of the heat exchanger and the hot air cavity
Body is connected.
7. the microwave hot air combined drying equipment of ceramic material as claimed in claim 6, it is characterised in that: the hydrofuge total pipeline
Wet hot-blast outlet be connected by pipeline with the waste heat wind inlet of the heat exchanger.
8. the microwave hot air combined drying equipment of ceramic material as claimed in claim 3, it is characterised in that: the number of the conveyer belt
Amount is 4, and 4 conveyer belts are 3 chain net belts and 1 conveyor belt, and wherein conveyor belt is arranged in lowest level.
9. the microwave hot air combined drying equipment of ceramic material as claimed in claim 8, it is characterised in that: the hot wind through-hole on top
Positioned at the top of top layer's chain net belt, the hot wind through-hole of lower part be located at undermost chain net belt and conveyor belt it
Between.
10. the microwave hot air combined drying equipment of ceramic material as described in claim 3,8 or 9, it is characterised in that: the drying
The tail portion at the blanking end on cavity positioned at the conveyer belt is tiltedly installed with striker plate.
11. the microwave hot air combined drying equipment of ceramic material as claimed in claim 8 or 9, it is characterised in that: along chain-type
The conveying direction of mesh belt, the top of every chain net belt are also evenly arranged with more stirring rods, along circle on every stirring rod
Circumferential direction is evenly arranged with multi-disc strip material mixing piece.
12. the microwave hot air combined drying equipment of ceramic material as described in claim 1 to 5 any one, it is characterised in that: institute
Stating the microwave hot air combined drying equipment of ceramic material further includes a swing material distributing machine, and the cloth bucket for swinging material distributing machine is located at institute
State the top of the feed end of feeding belt.
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| CN201910499460.6A CN110108095A (en) | 2019-06-11 | 2019-06-11 | The microwave hot air combined drying equipment of ceramic material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910499460.6A CN110108095A (en) | 2019-06-11 | 2019-06-11 | The microwave hot air combined drying equipment of ceramic material |
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| CN110108095A true CN110108095A (en) | 2019-08-09 |
Family
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| CN201910499460.6A Pending CN110108095A (en) | 2019-06-11 | 2019-06-11 | The microwave hot air combined drying equipment of ceramic material |
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| CN111925200A (en) * | 2020-06-17 | 2020-11-13 | 天长市烁源磁电有限公司 | Fine powder removing and dehumidifying device for raw materials for producing iron oxide magnetic core |
| CN113804000A (en) * | 2020-06-17 | 2021-12-17 | 宝山钢铁股份有限公司 | Microwave and hot waste gas combined heating and drying system and method for blast furnace lump ore |
| CN115682691A (en) * | 2022-09-27 | 2023-02-03 | 安徽金锴智能烘干科技有限公司 | Multilayer mesh belt dryer |
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