CN201589518U - Continuous microwave roasting apparatus capable of turning over materials - Google Patents

Continuous microwave roasting apparatus capable of turning over materials Download PDF

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Publication number
CN201589518U
CN201589518U CN200920094005XU CN200920094005U CN201589518U CN 201589518 U CN201589518 U CN 201589518U CN 200920094005X U CN200920094005X U CN 200920094005XU CN 200920094005 U CN200920094005 U CN 200920094005U CN 201589518 U CN201589518 U CN 201589518U
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CN
China
Prior art keywords
conveyer belt
microwave
resonator
assembly
turning
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.)
Expired - Lifetime
Application number
CN200920094005XU
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Chinese (zh)
Inventor
邢志军
张雨
赵俊蔚
赵国惠
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.)
China National Gold Corporation Technology Center
Changchun Gold Research Institute
Original Assignee
CHINA NATIONAL GOLD Corp TECHNOLOGY CENTER
Changchun Gold Research Institute
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 CHINA NATIONAL GOLD Corp TECHNOLOGY CENTER, Changchun Gold Research Institute filed Critical CHINA NATIONAL GOLD Corp TECHNOLOGY CENTER
Priority to CN200920094005XU priority Critical patent/CN201589518U/en
Application granted granted Critical
Publication of CN201589518U publication Critical patent/CN201589518U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a continuous microwave roasting apparatus capable of turning over materials which mainly consists of a microwave generating device, a temperature increasing resonator cavity, a thermostatic resonator cavity, a microwave energy leakage suppresser, a temperature measuring device, a conveyor belt, a transmission mechanism, material stirring components and a metallic supporting frame; the conveyor belt passes through the microwave resonator cavities and thermostatic resonator cavity and the materials are heated and roasted in the microwave resonator cavities; the material stirring components are arranged above the conveyor belt and are in a tendency of being gradually raised up from one end to the other end along the b direction, which means the heights of two ends of the material stirring component relative to the operation plane of the conveyor belt are different and higher and lower ends are arranged alternately, namely that the lower ends of a group of components are arranged on the same side of the conveyor belt with the higher ends of another group of components and materials are turned over on the material stirring components repeatedly to eliminate the phenomenon that the temperature of the top-layer materials which directly contact with the air is too low and ensure the materials are evenly and sufficiently roasted. The continuous microwave roasting apparatus capable of turning over materials can continuously roast the powdered materials with microwaves and the microwave roasting time and atmosphere can be controlled.

Description

A kind of continuous-type microwave roasting apparatus that stirs material
Technical field
The utility model relates to mechanical, particularly a kind of continuous-type microwave roasting apparatus that stirs material.
Prior art
Heating using microwave is the process of utilizing material self dielectric property to absorb electromagnetic energy and being converted into heat energy, and this technology has been widely used in drying and dehydrating, ceramic high temperature sintering at present, and has realized industrial applications.For the processing and the preliminary treatment of ore, the heating of the selectivity of heating using microwave, the advantages such as rapid, energy-conservation and environmental protection that heat up embody the unique technique advantage than traditional heating, the microwave calcining new technology occurred.But the research of this technology still is in laboratory and pilot plant test stage at present, experimental facilities is generally household microwave oven, microwave Muffle furnace etc., belong to intermittent apparatus, the top layer temperature of charge that is subjected in addition in the microwave field to contact with gas phase in the structural material that is suitable for and the microwave calcining process is crossed the restriction of condition such as low, is amplified to commercial production scale and still has certain technical difficulty.
The utility model content
The purpose of this utility model is the problem at above-mentioned existence, has designed a kind of continuous-type microwave roasting apparatus that stirs material, heating using microwave is applied in the roasting preprocessing process of material; Material constantly stirs in roasting process, can solve the low excessively problem of top layer temperature of charge that exists in the fixed bed mode microwave calcining effectively, and this apparatus-form is applicable to various production scales.
A kind of continuous-type microwave roasting apparatus that stirs material mainly leaks energy TVS, temp measuring system, conveyer belt, transmission mechanism and material turning assembly by microwave generating apparatus, intensification resonator, constant temperature resonator, microwave and forms; Conveyer belt passes in the microwave cavity; The entrance and exit of resonator both sides is provided with microwave and leaks the energy TVS; The conveyer belt top is provided with the material turning assembly; The resonator two side is provided with ventilating opening; Resonator sidewall and top are provided with temperature measuring equipment; Resonator wall inner lining as thermal insulation material.
A kind of continuous-type microwave roasting apparatus that stirs material is by heating using microwave, and microwave cavity is divided into intensification resonator and constant temperature resonator, carries out the intensification and the constant temperature calcining of material respectively, and the microwave source of each resonator is controlled separately.
A kind of continuous-type microwave roasting apparatus that stirs material, be to transmit material in the conveyer belt mode, the top of conveyer belt one end is provided with distributing device, and motor and transmission mechanism drive the conveyer belt operation, pass both sides and be provided with the microwave cavity of import and export, material heats in microwave cavity, roasting.
Intensification resonator and constant temperature resonator sidewall are provided with the metal tube ventilating opening, and reacting gas feeds from body of heater one end, is discharged by other end ventilating opening through resonator.
Material turning assembly of the present utility model is the material by the transmission microwave, makes as quartz, corundum, pottery etc., and cross section is level and smooth spill meniscus.
The material turning assembly is installed on the microwave cavity two side, be positioned at the conveyer belt top, width (b direction) along conveyer belt is arranged, and be staggered along the moving direction (a direction) of conveyer belt, from being beneficial to the material turning function, its spread pattern is suitable shape, as is " eight " shape or "><" shape.The concave surface in material turning assembly cross section is the conveyer belt traffic direction dorsad; Be positioned at the material turning assembly of conveyer belt top, on the b direction, be the perk state that raises gradually by end to end: i.e. the height difference on the relative conveyer belt operation in the two ends of material turning assembly plane, the bottom of one end and conveyer belt operation plane are close, and the height that moves the plane along its relative conveyer belt of this length component direction (b direction) thus increases gradually, and the high and low end of adjacent two material turning assemblies is staggered state, i.e. high-end conveyer belt the same side that is positioned at of the low side of an assembly and adjacent another assembly.Because the effect of the material turning assembly of the above-mentioned layout that is staggered, conveyer belt carrying material is by in the microwave cavity process, and promptly material can constantly stir on conveyer belt in the microwave calcining process.Can control sintering temperature and roasting time exactly by regulating conveyer belt translational speed and intensification chamber microwave feed-in power and constant temperature chamber microwave feed-in power, thereby improve the quality of roasting.
Advantage of the present utility model: can control material time of staying in microwave cavity, that is control its roasting time, applicable to different production scales by regulating the conveyer belt translational speed; Because the effect of material turning assembly, material can constantly stir on conveyer belt in the microwave calcining process, eliminates the low excessively phenomenon of top layer temperature of charge that directly contacts with gas, makes the material roasting evenly, fully; The attached insulation material of resonator inwall, heat insulation, the good heat insulating of chamber wall; Two resonators are interconnected with metal tube, and reacting gas is fed by body of heater one end, passes two resonators, can satisfy the requirement of material roasting to atmospheric condition.
This equipment also is applicable to the microwave thermal processing of other granular material, as drying, sintering etc.
Description of drawings
Fig. 1 is the front view that can stir the continuous-type microwave roasting apparatus of material.
Fig. 2 is the A-A cutaway view that can stir the continuous-type microwave roasting apparatus of material.
Fig. 3 is a material turning assembly example structure schematic diagram.
Fig. 4 is another example structure schematic diagram of material turning assembly.
As shown in drawings: 1, distributing device, 2, microwave leaks can TVS, 3, ventilating opening, 4, material turning assembly, 5, the intensification resonator, 6, ventilating opening, 7, temperature measuring equipment, 8, microwave generating apparatus, 9, the constant temperature resonator, 10, body of heater, 11, ventilating opening, 12, microwave leaks can TVS, 13, transmission mechanism, 14, motor, 15, conveyer belt, 16, the equipment metallic support.
Embodiment
To shown in the accompanying drawing 3, the continuous-type microwave roasting apparatus that can stir material drives transmission mechanism 13 runnings by motor 14 as accompanying drawing 1, and conveyer belt 15 moves thereupon.The top of conveyer belt one end is provided with distributing device 1, and material evenly is tiled on the conveyer belt through distributing device, and enters resonator, resonator wall inner lining as thermal insulation material by the conveyer belt carrying; Intensification resonator feed side opening part is established microwave and is leaked energy TVS 2; Material turning assembly 4 is arranged at conveyer belt 15 tops, and this assembly cross section concave surface is conveyer belt traffic direction (a direction) dorsad; The material turning assembly that is positioned at the conveyer belt top is the perk state of being raised gradually by end to end on the b direction, it is the height difference on the relative conveyer belt operation plane, two ends of material turning assembly, the bottom of one end and conveyer belt operation plane are close, and the height that moves the plane along its relative conveyer belt of this length component direction (b direction) thus increases gradually, and the height of adjacent two material turning assemblies, low side is staggered state, promptly the low side of one group of assembly and adjacent another are organized high-end conveyer belt the same side that is positioned at of assembly, material moves in resonator with conveyer belt, when material moves to material turning assembly 4, the low side of contact and the close material turning assembly of conveyer belt at first, material is scooped up, move along material turning assembly concave surface and conveyer belt width direction (b direction), because the distance on material turning assembly and conveyer belt operation plane increases gradually, the material of the big end of material coverage distance that the little end of distance is scooped up, under the effect of staggered material turning assembly, the material on the conveyer belt is laterally mixing with vertically stirring; By regulating the microwave power control material programming rate of feed-in, material is warming up to sintering temperature in intensification resonator 5, microwave generating apparatus 8 is positioned at resonator top or sidewall, microwave resonance top of chamber or sidewall are installed temperature measuring equipment 7 simultaneously, as thermocouple, infrared radiation thermometer or other temperature measuring device; Material moves into constant temperature resonator 9 with conveyer belt, by regulating conveyer belt translational speed control material roasting time; Intensification is provided with metal tube ventilating opening 3,6,11 with constant temperature resonator sidewall, and reacting gas feeds from an end ventilating opening 3 (or ventilating opening 11), through ventilating opening 6, enters flue gas by ventilating opening 11 (or ventilating opening 3) and handles and WHRS.Roasting material is completely shifted out from the constant temperature resonator with conveyer belt, and constant temperature resonator exit side opening part is provided with microwave and leaks energy TVS 12, and body of heater 10 bottoms are equipment metallic support 16, and transmission mechanism 13 is installed on this metallic support.The conveyer belt inverted running, material falls because of deadweight, enters the material collection system.
Accompanying drawing 4 is another example structure schematic diagram of material turning assembly arrangement architecture, as shown in the figure, the horizontal range that the material turning assembly is positioned at conveyer belt both sides places and conveyer belt is than the horizontal range that is positioned at place, conveyer belt axis and conveyer belt (or little) greatly, the material turning assembly is arranged along the mirror image that the conveyer belt moving direction is symmetry, when conveyer belt carrying material moves, material, prolongs vertical and horizontal and mixes by mobile in the middle of conveyer belt two side direction or middle to two side shiftings by conveyer belt along the material turning assembly.

Claims (4)

1. the continuous-type microwave roasting apparatus that can stir material is characterized in that: comprise microwave generating apparatus, intensification resonator, constant temperature resonator, conveyer belt, motor and transmission mechanism, material turning assembly and equipment metallic support; Microwave leaks the entrance and exit place that the energy TVS is located at the resonator both sides; Conveyer belt top by intensification resonator, constant temperature resonator is provided with the material turning assembly; The resonator two side is provided with ventilating opening, and resonator sidewall and top are provided with temperature measuring equipment, inboard wall of furnace body lining insulation material.
2. according to the continuous-type microwave roasting apparatus of the stirred material described in the claim 1, it is characterized in that: described material turning assembly is made by the material of transmission microwave, and cross section is level and smooth spill meniscus.
3. according to the described a kind of continuous-type microwave roasting apparatus that stirs material of claim 1, it is characterized in that: described material turning assembly is arranged at the conveyer belt top, and this assembly cross section concave surface is the conveyer belt traffic direction dorsad; The material turning assembly that is positioned at the conveyer belt top is along being the perk state of being raised gradually by end to end on the conveyer belt width direction, it is the height difference on the relative conveyer belt operation plane, two ends of material turning assembly, the bottom of one end and conveyer belt operation plane are close, and the height that moves the plane along its relative conveyer belt of this length component direction thus increases gradually, and the high and low end of adjacent two material turning assemblies is staggered state, i.e. high-end conveyer belt the same side that is positioned at of the low side of an assembly and adjacent another assembly.
4. according to the described a kind of continuous-type microwave roasting apparatus that stirs material of claim 1, it is characterized in that: described material turning length component is greater than the transport tape width, and its material turning assembly is " eight " font or "><" shape along the spread pattern of conveyer belt width direction above conveyer belt.
CN200920094005XU 2009-07-15 2009-07-15 Continuous microwave roasting apparatus capable of turning over materials Expired - Lifetime CN201589518U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920094005XU CN201589518U (en) 2009-07-15 2009-07-15 Continuous microwave roasting apparatus capable of turning over materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920094005XU CN201589518U (en) 2009-07-15 2009-07-15 Continuous microwave roasting apparatus capable of turning over materials

Publications (1)

Publication Number Publication Date
CN201589518U true CN201589518U (en) 2010-09-22

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102321520A (en) * 2011-06-17 2012-01-18 中国科学院过程工程研究所 Module coupling biomass microwave dry or semidry pretreatment reactor
CN103468931A (en) * 2013-08-20 2013-12-25 中信大锰矿业有限责任公司大新锰矿分公司 Microwave roasting equipment
CN103859283A (en) * 2014-03-24 2014-06-18 郑小非 Tunnel type microwave device for processing instant waved rice noodles
CN105043056A (en) * 2012-07-12 2015-11-11 艾博生物医药(杭州)有限公司 Method for automatically and quickly drying sample receiving pads
CN105202911A (en) * 2015-10-19 2015-12-30 格丰科技材料有限公司 Mesh belt kiln

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102321520A (en) * 2011-06-17 2012-01-18 中国科学院过程工程研究所 Module coupling biomass microwave dry or semidry pretreatment reactor
CN102321520B (en) * 2011-06-17 2013-08-21 中国科学院过程工程研究所 Module coupling biomass microwave dry or semidry pretreatment reactor
CN105043056A (en) * 2012-07-12 2015-11-11 艾博生物医药(杭州)有限公司 Method for automatically and quickly drying sample receiving pads
CN103468931A (en) * 2013-08-20 2013-12-25 中信大锰矿业有限责任公司大新锰矿分公司 Microwave roasting equipment
CN103468931B (en) * 2013-08-20 2016-05-11 中信大锰矿业有限责任公司大新锰矿分公司 A kind of microwave calcining equipment
CN103859283A (en) * 2014-03-24 2014-06-18 郑小非 Tunnel type microwave device for processing instant waved rice noodles
CN105202911A (en) * 2015-10-19 2015-12-30 格丰科技材料有限公司 Mesh belt kiln
CN105202911B (en) * 2015-10-19 2017-07-25 格丰科技材料有限公司 Mesh-belt kiln

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 130012 Changchun Gold Research Institute, No. 6760 nanhu road, Chaoyang District, Changchun, Jilin

Co-patentee after: China National Gold Corporation Technology Center

Patentee after: Changchun Gold Research Institute Co., Ltd.

Address before: 130012 No. 6760 nanhu road, Jilin City, Changchun Province

Co-patentee before: China National Gold Corporation Technology Center

Patentee before: Changchun Gold Research Institute

CP03 Change of name, title or address
CX01 Expiry of patent term

Granted publication date: 20100922

CX01 Expiry of patent term