CN103162519A - Drying equipment and drying method - Google Patents

Drying equipment and drying method Download PDF

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Publication number
CN103162519A
CN103162519A CN2011104224012A CN201110422401A CN103162519A CN 103162519 A CN103162519 A CN 103162519A CN 2011104224012 A CN2011104224012 A CN 2011104224012A CN 201110422401 A CN201110422401 A CN 201110422401A CN 103162519 A CN103162519 A CN 103162519A
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CN
China
Prior art keywords
microwave
drying
transport tape
microwave action
equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011104224012A
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Chinese (zh)
Inventor
张宏伟
王晓东
苏建勇
周帅华
张献宗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN BODA MICROWAVE EQUIPMENT CO Ltd
Original Assignee
HENAN BODA MICROWAVE EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HENAN BODA MICROWAVE EQUIPMENT CO Ltd filed Critical HENAN BODA MICROWAVE EQUIPMENT CO Ltd
Priority to CN2011104224012A priority Critical patent/CN103162519A/en
Publication of CN103162519A publication Critical patent/CN103162519A/en
Pending legal-status Critical Current

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Abstract

The invention relates to drying equipment which is characterized by comprising a distributing bucket, a conveying belt, two inhibitory systems, a microwave action cavity, a microwave generating source, an electronic control system, a dehumidifying system and a feeding bucket. The distributing bucket is arranged above the feeding end of the conveying belt, the inhibitory systems are connected with the microwave action cavity, the feeding bucket is arranged below the discharging end of the conveying belt, and the conveying belt sequentially passes through the inhibitory systems, the microwave action cavity and the inhibitory systems. The microwave generating source is arranged outside the microwave action cavity and used for generating microwaves. The electronic control system is used for controlling operation of the drying equipment. The dehumidifying system is used for pumping moisture in the microwave action cavity. According to the drying equipment, the microwaves are used for heating, the conveying belt is adopted, a material overturning device is added in the running process of the conveying belt, and therefore materials can be turned over back and forth in the drying process. Besides, drying is enabled to be more rapid and thorough, efficiency is higher, and the drying equipment has a wide market prospect.

Description

Drying equipment and drying means
Technical field
A kind of drying equipment and the drying means that the present invention relates to belong to dry manufacture field.
Background technology
Drying equipment claims again drier and drying machine.For the equipment that carries out drying process, by heating, hygroscopic water (referring generally to moisture or other volatile liquid components) vaporization in material is overflowed, to obtain the solid material of regulation moisture content.Dry purpose is the needs that use or further process for material.Can prevent product deformation as the drying of timber before making wooden model, woodenware, the drying of ceramic batch before calcining two drying equipment can prevent the finished product be full of cracks.Dried material also is convenient to transportation and is stored in addition, arrives below certain moisture content, in case go mouldy as the grain drying with results.Due to the natural drying needs that far can not satisfy production development, various mechanization driers are applied more and more widely.
Since time immemorial, the mankind just get used to coming dried material with natural thermal source and gravity-flow ventilation, restricted by natural conditions, and production capacity is low.With the development of producing, they are replaced by artificial controllable thermal source and force ventilation dehumidifying means gradually.What modern age, drier was brought into use is the fixed-bed type drier of intermittently operated.In the middle of the 19th century, the use of channel oven indicates that drier is by the development of intermittently operated to the continued operation direction.Rotary drier has been realized the stirring of granule materials preferably, and drying capacity and intensity are improved.Some industries have developed respectively the continued operation drier that adapts to industry requirement, as the drum dryer of weaving, paper industry.
Early in the twentieth century, Dairy Production begins to use spray dryer, for extensive dry liquid material provides strong instrument.The forties, along with the development of fluidization technique, high strength, large-duty ebullated bed and pneumatic dryer occur in succession.Freezing and sublimation, radiation and dielectric dryer provide new means for satisfying specific (special) requirements.Begin to have developed far infrared and microwave dryer the sixties.The scientific and technological content of drying equipment is just showed leading role.Since 2004, be subjected to the drive that continues to become better of national chemical development situation, good during the drying equipment Market Situation is steady, manufacturing enterprise has generally obtained business performance preferably.The distinguishing feature of current drying device service chemical industry is that the effect of technology content becomes increasingly conspicuous.This mainly has a great difference by price competition with the past sell goods.Wherein, some drying equipments are with high content of technology, the producer of emphasis on development new product, and benefit day by day promotes; On the contrary, some product technology contents are low, the enterprise that new product and new technology development ability are weak, and benefit begins to glide.The market reaction demonstration, chemical industry expectation drying equipment manufacturing industry is adjusted the product mix according to the requirement of high-quality, low energy consumption, environment-friendly type, further strengthens basic research, and the basis of research and development is used in compacting.At technical elements, strengthen the research of the aspects such as automation, test, manufacturing process and Material texture appearance design.Aspect the application research and development, should pay attention to international exchanges and cooperation, pay attention to again the protection of intellectual property; The exploitation of new technology, new application be should pay attention to, innovation and the innovation of traditional handicraft and traditional application paid attention to again.
The coal-fired drying room of prior art, gas burning kiln, electrical kiln, flash distillation etc. rely on heat conducting traditional drying mode thermal losses large, and thermal conversion rate is low; Course of work airborne dust, seriously polluted, the easy secondary pollution of material; Drying is slow, inhomogeneous, not thorough fast, and defect ware is more.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of drying equipment and a kind of drying means, uses microwave to heat, and has solved in dry run efficient too low, and the harm that environment is caused is larger, produces the problem of waste material and waste gas.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is as follows:
A kind of drying equipment is characterized in that, comprises cloth bucket, transport tape, two inhibition systems, microwave action chamber, microwave source, electric-control system, dehumidification system and hopper; Described cloth bucket is placed in the top of described transport tape feed end, and described inhibition system is connected with described microwave action chamber, and described hopper is placed in the below of described transport tape discharge end, and described transport tape is successively by inhibition system, microwave action chamber and inhibition system; Described microwave source is placed in outside, described microwave action chamber, for generation of microwave; Described electric-control system is used for controlling the operation of described drying equipment, and described dehumidification system is used for extracting the moisture in described microwave action chamber.
Described drying equipment has a described microwave action chamber at least.
Preferably, a plurality of microwave actions chambeies interconnects, described microwave source by supporting exciting bank with microwave transmission to described microwave action cavity; Second half section in described microwave action chamber is provided with turn-down rig.
Described dehumidification system comprises dehumidifier pipeline, blower fan and fan supporter; Described dehumidifier pipeline is arranged on the top in microwave action chamber, with the chamber connection of a plurality of microwave actions; Described blower fan is placed in described dehumidifier pipeline side by pvc pipe road and described dehumidifier pipeline communication; Described fan supporter is used for fixing described blower fan.
Be provided with poking device in described cloth bucket bottom, described poking device comprises material toggling motor, material toggling axle and electric and magnetic oscillation motor; By the described material toggling axle of described material toggling driven by motor, material is tiled on described transport tape uniformly, described electric and magnetic oscillation motor increases certain electromagnetic vibration power to described cloth bucket, allows smooth and easy, the even blanking of material.
Middle being provided with highly of described inhibition system passed through for the space of 70-80mm allows described transport tape transport material; The material that is provided with guide trough structure and absorbs microwave in described inhibition system is used for suppressing microwave leakage.
Side in described microwave action chamber is provided with observation window, is provided with safety interlock switch in the bottom of described observation window, and described drying equipment also comprises passive support, active bracket and equipment supporter; Described cloth bucket is fixed on described passive support, and described hopper is fixed on described active bracket, and described microwave action chamber is fixed on described equipment supporter.
Described active bracket is provided with transmission system and sulfuration roller, and described transmission system drives described sulfuration roller by chain gear apparatus, relies on the frictional force between described sulfuration roller and described transport tape to drive described transport tape running, is provided with dust cover on described active bracket.
A kind of drying means is characterized in that, uses the described equipment of 1-11 any one to carry out drying, and concrete steps are as follows:
The first step, material loading: material is contained in the cloth bucket of equipment by artificial or elevator, by material toggling motor and vibrating motor, material is tiled on transport tape uniformly, THICKNESS CONTROL is at 15-25mm;
Second step, oven dry: material is dried material by the microwave action cavity under the drive of transport tape, by turn-down rig, material is rolled back and forth in drying course, guarantees that drying effect is more thorough, more even;
The 3rd the step, blanking: after drying materials, take material to hopper by transport tape, with material collection the material pond in.
Before described first step material loading, first with centrifuge, material is processed, control material water ratio between 8-15%, the transfer rate of described transport tape is 0.6-1.1m/min; The temperature of microwave action cavity is normal temperature in the dry materials process, and the outlet material temperature is 90-120 ℃.
The operation principle of drying equipment is as follows:
(1) active bracket: be provided with transmission system and sulfuration roller on active bracket, transmission system drives described sulfuration roller by chain gear apparatus, relies on the described transmission of frictional force drive between described sulfuration roller and described transport tape to send tape travel.
(2) inhibition system: the assembly that comprises guide trough structure, the material (materials such as similar graphite, pottery) that also comprises the absorption microwave of a part, the space of leaving 70-80mm in the middle of this structure allows transport tape transport material to pass through, thus reach material can be smooth and easy by and suppress the purpose of microwave leakage.
(3) dehumidification system: comprise dehumidifier pipeline, dehumidifier blower fan and fan supporter; The top of dehumidifier pipeline and microwave generation cavity is riveted together, and adopts the pvc pipe road that the dehumidifier blower fan is connected with the dehumidifier pipeline, reaches timely and effectively the effect with the moisture extraction of casing.
(4) microwave action chamber: the position that microwave and material act on together, as skeleton, corrosion resistant plate or aluminium sheet can allow microwave can bring into play maximum effect as the stainless steel structure of wall by stainless steel tube.
(5) poking device: comprise material toggling motor, material toggling axle, electric and magnetic oscillation motor.By material toggling driven by motor material toggling axle, material is tiled on transport tape uniformly, the electric and magnetic oscillation motor increases certain electromagnetic vibration power to hopper again simultaneously, makes the material blanking more smooth and easy, evenly.
(6) microwave generating apparatus: the electric-control system that comprises the electric elements such as microwave generator, transformer, electric capacity.
Preferably, side in the microwave action chamber is provided with observation window, effect is easy access and checks the situation that microwave cavity is interior, bottom at observation window is provided with safety interlock switch, respond to by safety interlock switch, if equipment is opened observation window at running, equipment will auto-breaking, cut off microwave generator, avoid human body to come to harm.
Active bracket is the support that contains transmission device, and passive support does not contain the support of the transmission devices such as motor.
The comparison sheet of the present invention and prior art:
Drying equipment provided by the invention and drying means use microwave to heat, the penetrability heating, and firing rate is fast, homogeneous heating; The kind of drive adopts the mode of transport tape, make material arrange more even, greatly reduce the material airborne dust in dry run, also reduced the pollution of dust simultaneously, the expense of having saved deduster, in the transport tape traveling process, increase poking device, made material can stir back and forth in dry run, made drying rapider, more thorough, efficient is higher, has wide market prospects.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structure chart of drying equipment;
Fig. 2 is the right view that Fig. 1 saves cloth bucket;
Fig. 3 is the workflow diagram of drying equipment.
In figure, 1 is cloth bucket, and 2 is transport tape, and 3 are the inhibition system, 4 is the microwave action chamber, and 5 is electric-control system, and 6 are the dehumidifier pipeline, 7 is hopper, and 8 is transmission system, and 9 is active bracket, 10 is observation window, and 11 is equipment supporter, and 12 is blower fan, 13 is fan supporter, and 14 is passive support, and 15 is the material toggling axle, 16 is the material toggling motor, and 17 is the pvc pipe road.
The specific embodiment
Embodiment:
As shown in Fig. 1-2, a kind of drying equipment comprises cloth bucket 1, transport tape 2, inhibition system 3, microwave action chamber 4, electric-control system 5, dehumidifier pipeline 6, hopper 7, transmission system 8, active bracket 9, observation window 10, equipment supporter 11, blower fan 12, fan supporter 13, passive support 14, material toggling axle 15, material toggling motor 16, pvc pipe road 17.Be provided with poking device in cloth bucket 1 bottom, described poking device comprises material toggling motor 16, material toggling axle 15 and electric and magnetic oscillation motor; Drive described material toggling axles 15 by described material toggling motor 16 material is tiled on described transport tape 2 uniformly, described electric and magnetic oscillation motor increases certain electromagnetic vibration power to described cloth bucket 1, allows smooth and easy, the even blanking of material.Cloth bucket 1 is bolted on passive support 14.Inhibition system 3 contains the assembly of similar guide trough structure, the material (materials such as similar graphite, pottery) that also comprises the absorption microwave of a part, the space of leaving 70-80mm in the middle of this structure allows transport tape 2 transport material to pass through, thus reach material can be smooth and easy by and suppress the purpose of microwave leakage.Inhibition system 3 is connected with microwave action chamber 4, connects by bolt seal between microwave action chamber 4, is provided with microwave source in 4 outsides, described microwave action chamber, microwave source by supporting exciting bank with microwave transmission to microwave action chamber 4.Microwave action chamber 4 is fixed on equipment supporter 11.4 side is provided with observation window 10 in the microwave action chamber, effect is easy access and checks situation in microwave action chamber 4, bottom at observation window is provided with safety interlock switch, respond to by safety interlock switch, if equipment is opened observation window 10 at running, equipment will auto-breaking, cuts off microwave generator.Dehumidification system comprises dehumidifier pipeline 6, dehumidifier blower fan 12 and fan supporter 13; Dehumidifier pipeline 6 is riveted together with the top in microwave action chamber 4, adopts pvc pipe road 17 dehumidifier blower fan 12 to be connected connections with the dehumidifier pipeline, reaches timely and effectively the effect with the moisture extraction of casing.Electric-control system 5 is arranged on the side in microwave action chamber 4.Second half section in microwave action chamber 4 increases turn-down rig, stirs adding thermal material.4 left sides, microwave action chamber are connected with inhibition system 3, and transport tape 2 arrives hoppers 7 through inhibition system 3.Hopper 7 is connected to the bottom of active bracket 9 by rivet.Push up at active bracket 9 dust cover is installed, avoided the airborne dust after the dry materials.
In equipment when work,, material is 1 li of cloth bucket, through material toggling axle 15 by being tiled on transport tape 2 equably; Transmission system 8 drives transport tapes 2 material is entered in microwave action chamber 4 through inhibition system 3; In microwave action chamber 4, microwave carries out Fast Heating to material, and the steam that produces in heating process is discharged through dehumidification system.Second half section in microwave action chamber 4 increases turn-down rig, and the material of heating is stirred, and accelerates the effusion of moisture content in material, and makes heating material more even; Then transport tape 2 transports out microwave action chamber 4 with material, and through inhibition system 3, arrives at last hopper 7.By hopper with material collection the material pond in.
As shown in Figure 3, drying equipment workflow.After material has got rid of through centrifuge, material water ratio is between 8-12%, and perhaps material is without the centrifuge effect, direct material loading, and water content is in 30% left and right; Material is contained in the cloth bucket of equipment by artificial or elevator, be tiled in uniformly material on transport tape by material toggling motor and electric and magnetic oscillation motor, THICKNESS CONTROL is at 15-25mm, then material is dried material by the microwave action cavity under the drive of transport tape, by the turn-down rig material that constantly rolls, guarantee that drying effect is more thorough, more even, at last by hopper with material collection together in drying course.Wherein fabric thickness is controlled at 15-25mm, and transfer rate is adjusted according to the size of plant capacity, and generally at 0.6-1.1m/min, in the dry materials process, the temperature general control 100 ℃ of left and right, can be completed drying.
Above embodiment purpose is to illustrate the present invention, and unrestricted protection scope of the present invention, all application that come by simple change of the present invention all drop in protection scope of the present invention.

Claims (10)

1. a drying equipment, is characterized in that, comprises cloth bucket, transport tape, two inhibition systems, microwave action chamber, microwave source, electric-control system, dehumidification system and hopper; Described cloth bucket is placed in the top of described transport tape feed end, and described inhibition system is connected with described microwave action chamber, and described hopper is placed in the below of described transport tape discharge end, and described transport tape is successively by inhibition system, microwave action chamber and inhibition system; Described microwave source is placed in outside, described microwave action chamber, for generation of microwave; Described electric-control system is used for controlling the operation of described drying equipment, and described dehumidification system is used for extracting the moisture in described microwave action chamber.
2. drying equipment according to claim 1, is characterized in that, described drying equipment has a described microwave action chamber at least.
3. drying equipment according to claim 2, is characterized in that, a plurality of microwave actions chambeies interconnects, described microwave source by supporting exciting bank with microwave transmission to described microwave action cavity; Second half section in described microwave action chamber is provided with turn-down rig.
4. drying equipment according to claim 1, is characterized in that, described dehumidification system comprises dehumidifier pipeline, blower fan and fan supporter; Described dehumidifier pipeline is arranged on the top in microwave action chamber, with the chamber connection of a plurality of microwave actions; Described blower fan is placed in described dehumidifier pipeline side by pvc pipe road and described dehumidifier pipeline communication; Described fan supporter is used for fixing described blower fan.
5. drying equipment according to claim 1, is characterized in that, is provided with poking device in described cloth bucket bottom, and described poking device comprises material toggling motor, material toggling axle and electric and magnetic oscillation motor; By the described material toggling axle of described material toggling driven by motor, material is tiled on described transport tape uniformly, described electric and magnetic oscillation motor increases certain electromagnetic vibration power to described cloth bucket, allows smooth and easy, the even blanking of material.
6. drying equipment according to claim 1, is characterized in that, middle being provided with highly of described inhibition system passed through for the space of 70-80mm allows described transport tape transport material; The material that is provided with guide trough structure and absorbs microwave in described inhibition system is used for suppressing microwave leakage.
7. according to claim 1-6 described drying equipments, is characterized in that, is provided with observation window in the side in described microwave action chamber, is provided with safety interlock switch in the bottom of described observation window, and described drying equipment also comprises passive support, active bracket and equipment supporter; Described cloth bucket is fixed on described passive support, and described hopper is fixed on described active bracket, and described microwave action chamber is fixed on described equipment supporter.
8. drying equipment according to claim 7, it is characterized in that, described active bracket is provided with transmission system and sulfuration roller, described transmission system drives described sulfuration roller by chain gear apparatus, rely on the frictional force between described sulfuration roller and described transport tape to drive described transport tape running, be provided with dust cover on described active bracket.
9. a drying means, is characterized in that, uses the described equipment of 1-11 any one to carry out drying, and concrete steps are as follows:
The first step, material loading: material is contained in the cloth bucket of equipment by artificial or elevator, by material toggling motor and vibrating motor, material is tiled on transport tape uniformly, THICKNESS CONTROL is at 15-25mm;
Second step, oven dry: material is dried material by the microwave action cavity under the drive of transport tape, by turn-down rig, material is rolled back and forth in drying course, guarantees that drying effect is more thorough, more even;
The 3rd the step, blanking: after drying materials, take material to hopper by transport tape, with material collection the material pond in.
10. drying means according to claim 9, is characterized in that, before described first step material loading, first with centrifuge, material processed, and controls material water ratio between 8-15%, and the transfer rate of described transport tape is 0.6-1.1m/min; The temperature of microwave action cavity is normal temperature in the dry materials process, and the outlet material temperature is 90-120 ℃.
CN2011104224012A 2011-12-16 2011-12-16 Drying equipment and drying method Pending CN103162519A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411417A (en) * 2013-08-23 2013-11-27 南昌光明化验设备有限公司 Anti-leakage feeding and discharging device for microwave drying belt conveyor
CN103423979A (en) * 2013-09-09 2013-12-04 南京研正微波设备厂 Tunnel type microwave drier
CN103743203A (en) * 2014-01-17 2014-04-23 河南勃达微波设备有限责任公司 Vanadium pentoxide catalyst microwave-drying process
CN104286952A (en) * 2014-09-30 2015-01-21 河南勃达微波设备有限责任公司 Egg liquid microwave drying technology
CN104567314A (en) * 2014-12-31 2015-04-29 迈得医疗工业设备股份有限公司 Medical part drying device
CN104596220A (en) * 2015-01-30 2015-05-06 扬州大学 Novel solar energy-microwave combined drying equipment
CN104976879A (en) * 2015-06-24 2015-10-14 亿和精密工业(苏州)有限公司 Infrared drying machine
CN105737527A (en) * 2015-12-25 2016-07-06 河南勃达微波装备股份有限公司 Pyrophyllite drying method
CN105837695A (en) * 2016-06-03 2016-08-10 江苏昕宇药业有限公司 Low-gelatinization microwave device
CN105859894A (en) * 2016-06-03 2016-08-17 江苏昕宇药业有限公司 Microwave device for producing resistant starch
CN105890322A (en) * 2016-04-10 2016-08-24 安徽众尚微波科技有限公司 Microwave tea leaf baking device
CN105890323A (en) * 2016-06-03 2016-08-24 江苏昕宇药业有限公司 Low-humidity microwave device
CN106533088A (en) * 2016-11-10 2017-03-22 深圳市万至达电机制造有限公司 Hollow cup motor rotor baking device
CN106918201A (en) * 2017-03-27 2017-07-04 河南勃达微波电气自动化设备有限公司 A kind of drying means of triaminotriphenyl-methane dyestuff

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CN101893377A (en) * 2010-08-04 2010-11-24 西南科技大学 Microwave continuous expansion method for flexible expanded vermiculite and special device
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CN2539115Y (en) * 2002-05-15 2003-03-05 中国石油化工股份有限公司 Continuous microwave drier
EP1396695A2 (en) * 2002-06-20 2004-03-10 Microglass S.R.L. Device for wood treatment
CN101074842A (en) * 2006-09-04 2007-11-21 朱树伟 Efficient energy-saving drying process and apparatus
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411417A (en) * 2013-08-23 2013-11-27 南昌光明化验设备有限公司 Anti-leakage feeding and discharging device for microwave drying belt conveyor
CN103423979A (en) * 2013-09-09 2013-12-04 南京研正微波设备厂 Tunnel type microwave drier
CN103423979B (en) * 2013-09-09 2016-03-09 南京研正微波设备厂 A kind of tunnel type microwave drying machine
CN103743203A (en) * 2014-01-17 2014-04-23 河南勃达微波设备有限责任公司 Vanadium pentoxide catalyst microwave-drying process
CN104286952A (en) * 2014-09-30 2015-01-21 河南勃达微波设备有限责任公司 Egg liquid microwave drying technology
CN104567314B (en) * 2014-12-31 2017-01-25 迈得医疗工业设备股份有限公司 Medical part drying device
CN104567314A (en) * 2014-12-31 2015-04-29 迈得医疗工业设备股份有限公司 Medical part drying device
CN104596220A (en) * 2015-01-30 2015-05-06 扬州大学 Novel solar energy-microwave combined drying equipment
CN104976879A (en) * 2015-06-24 2015-10-14 亿和精密工业(苏州)有限公司 Infrared drying machine
CN105737527A (en) * 2015-12-25 2016-07-06 河南勃达微波装备股份有限公司 Pyrophyllite drying method
CN105737527B (en) * 2015-12-25 2018-11-09 河南勃达微波装备股份有限公司 A kind of pyrophillite drying means
CN105890322A (en) * 2016-04-10 2016-08-24 安徽众尚微波科技有限公司 Microwave tea leaf baking device
CN105837695A (en) * 2016-06-03 2016-08-10 江苏昕宇药业有限公司 Low-gelatinization microwave device
CN105890323A (en) * 2016-06-03 2016-08-24 江苏昕宇药业有限公司 Low-humidity microwave device
CN105859894A (en) * 2016-06-03 2016-08-17 江苏昕宇药业有限公司 Microwave device for producing resistant starch
CN106533088A (en) * 2016-11-10 2017-03-22 深圳市万至达电机制造有限公司 Hollow cup motor rotor baking device
CN106533088B (en) * 2016-11-10 2019-08-13 深圳市万至达电机制造有限公司 A kind of hollow cup motor rotor apparatus for baking
CN106918201A (en) * 2017-03-27 2017-07-04 河南勃达微波电气自动化设备有限公司 A kind of drying means of triaminotriphenyl-methane dyestuff

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