CN201032332Y - Microwave hot blast barrate drying apparatus - Google Patents
Microwave hot blast barrate drying apparatus Download PDFInfo
- Publication number
- CN201032332Y CN201032332Y CNU2007200960868U CN200720096086U CN201032332Y CN 201032332 Y CN201032332 Y CN 201032332Y CN U2007200960868 U CNU2007200960868 U CN U2007200960868U CN 200720096086 U CN200720096086 U CN 200720096086U CN 201032332 Y CN201032332 Y CN 201032332Y
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- rotary drum
- microwave
- hot air
- waveguide
- microwave hot
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Abstract
The utility model relates to a rotary drum drier with microwave hot air, which consists of a shell body, a microwave source, a rotary drum and a drive electric motor, wherein, the microwave source and the rotary drum are arranged inside the shell body and the drive electric motor drive the rotary drum to rotate; a feed inlet and feed outlet are respectively arranged on end covers of two ends of the rotary drum and a hopper is arranged at one end of the rotary drum. The innovation points are that: the rotary drum is cone-shaped and horizontally and rotatablely arranged inside the shell body; wave guide is coaxially arranged at the end provided with the hopper inside the rotary drum. The utility model has scientific and reasonable design and compact structure, and the microwave source is provided with the connective wave guide which extends inside the rotary drum, thus, drying rate is high, which greatly increases materials handling capacity; meanwhile, the rotary drum is cone-shaped, which is convenient for installation and the whole utility model has good airproof performance and can effectively avoid leakage of the microwave, thereby being applicable to the drying treatment of granular or sheet materials and heat sensitive materials.
Description
Technical field
The utility model relates to microwave drier, particularly a kind of microwave hot air rotary drum drier.
Background technology
Existing microwave drier is broadly divided into two kinds, and a kind of is the static microwave drying device, is heated dry material and is in complete inactive state in device; Another kind is the dynamic microwave drying device, and being heated dry material can move simultaneously with the container that holds material, as existing household microwave oven, belt microwave drier etc.Because microwave is poor to the penetrability of material, above-mentioned two types microwave drier only is suitable for the few material of dry treating capacity, and is that thickness is little, the material of stable in properties; Then have problems for handling a large amount of heat sensitive materials: 1. the air permeability of above-mentioned microwave drier is bad, and the water vapour that produces in the heating process is difficult for the discharger outside, is easy to generate hot-spot and causes the material sex change; 2. material remains static substantially, and inner water vapour and the superfluous heat that produces of material is difficult for distributing discharge, may influence product quality; 3. the amount of material handling is less, causes that working (machining) efficiency is low, cost is higher, is unfavorable for suitability for industrialized production.
Through retrieval, find existing Chinese utility model patent (title: rotary continuous microwave drier, the patent No.: 02104212.4), its structure is: a rotatable tilting rotary drum is installed in the heating chamber of microwave drier, and install baffle plate additional and prevent microwave leakage, material can stir to reach the purpose at the Fast Heating dried material with drum rotating, prevents that simultaneously it from producing superheating phenomenon, thereby guarantees materials quality.Its microwave field of the drying device of this kind structure is arranged on the outside of rotary drum, causes equipment volume bigger, and has increased the difficulty of control microwave leakage; And because rotary drum is for being obliquely installed, the difficult grasp of the setting angle of each installing component causes the location and installation inconvenience of rotary drum easily, and run stability is also relatively poor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the inside that provides a kind of microwave source to be arranged on rotary drum, thus make the device compact overall structure, effectively prevent microwave leakage, the microwave hot air rotary drum drier that drying efficiency height and product quality are good.
The utility model solves its technical problem and takes following technical scheme to realize:
This microwave hot air rotary drum drier, constitute by housing, microwave source, rotary drum, drive motors, microwave source and rotary drum are installed in enclosure interior, drive motors drives rotary drum and rotates, be respectively arranged with charging aperture and discharging opening on the end cap at rotary drum both ends, hopper is arranged on an end of rotary drum, it is characterized in that: rotary drum is coaxially installed with the waveguide of microwave source for conical and horizontally rotate and be installed in the housing in the rotary drum that is provided with hopper one end.
And a side that is positioned at the rotary drum outside in waveguide is communicated with and is provided with a blast pipe, is provided with a discharge pipe at rotary drum away from the other end of blast pipe.
And, be installed into the import department of airduct and rotary drum in waveguide and the exit of discharge pipe is installed is provided with protection network.
And, described waveguide for the band backbone rectangular waveguide, and on the face of waveguide backbone correspondence the spaced apart rectangular opening that is provided with.
And, circumferentially be provided with uniform flight at drum inner wall.
And described rotary drum one end outer wall circumferentially is fixed with a gear wheel, this gear wheel and the pinion transmission by the drive motors driving that is installed on enclosure interior.
And described charging aperture is arranged on the fixing seal end cap top that the less end of rotary drum is installed, and at the charging aperture place one gravity switch is installed.
And described discharging opening is arranged at the fixing seal end cap bottom that the bigger end of rotary drum is installed, and in discharging opening corresponding shell lower sidewall one hatch door is installed, and this hatch door is provided with the linkage that links to each other with the power switch of air blast and microwave source.
And described blast pipe connects an air blast and an air heater, and discharge pipe connects an air-introduced machine.
Advantage of the present utility model and good effect are:
1. the microwave source of this rotary drum drier is equipped with a waveguide of stretching into rotary drum inside, it is inner and act on the material in the rotary drum to make the guide effect of microwave by this waveguide be transferred to rotary drum, effectively improved the distributing homogeneity of microwave, the material treating capacity is increased greatly; By adopting rotary drum inside that the structure of waveguide is set, in assembling, be convenient to installation more seal is set, as being provided with end cover at the rotary drum two ends, thereby effectively prevent microwave leakage, make the device compact overall structure simultaneously, reduce floor space, use convenient.
2. the rotary drum in this device adopts conical rotor drum, but level is installed on enclosure interior, has saved the installed part of various special uses required when rotary drum is installed in the documents medium dip, and is easier for installation, has better stability during rotary drum running simultaneously.
3. can be connected an air blast and air heater with the blast pipe that rotary drum is connected, discharge pipe connects air-introduced machine, in the heat drying process, microwave and hot blast act on simultaneously, can accelerate rate of drying, simultaneously can effectively the water vapour that produces in the heating process be carried into the rotary drum outside, prevent that the material hot-spot from causing sex change.
4. the waveguide of being adopted in this drier is the rectangular waveguide of band backbone, can reach microwave wave field equally distributed purpose in rotary drum, and on the face of waveguide backbone correspondence the spaced apart rectangular opening that is provided with, perforate faces down, carry out microwave drying treatment to be deposited in rotary drum bottom material at major part, prevent that simultaneously material from accumulating on waveguide top in switching process.
5. circumferentially be provided with uniform flight at drum inner wall, this flight falls after can be when rotary drum rotates material being carried into the rotary drum top again, increased the height that falls in the materials overturning process, thereby increase the contact area and the time of contact of material and hot blast and microwave, improve the efficient of heat drying.
6. the utility model design science is reasonable, and compact conformation, microwave source are equipped with the waveguide that shaft extension is together gone into rotary drum inside, and the rate of drying height increases the material treating capacity greatly; Rotary drum is conical simultaneously, makes it easier for installation, and the good airproof performance that device is whole can effectively prevent microwave leakage, is applicable to that the drying of graininess or sheet material is handled.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view;
Fig. 4 is the utility model gravity switch structural representation.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described, following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
This microwave hot air rotary drum drier, constitute by housing 1, microwave source 2, rotary drum 8, drive motors 21, microwave source and rotary drum are installed in enclosure interior, drive motors drives rotary drum and rotates, rotary drum rotates and is installed between two fixing seal end caps 6 and 13, be shaped on charging aperture and discharging opening on the end cap at rotary drum both ends respectively, an end of rotary drum is provided with hopper 3.
Innovative point of the present utility model is:
Rotary drum is conical, the cone angle of rotary drum be 3 ° to make things convenient for discharging, rotary drum horizontally rotates and is installed in the housing, circumferentially be fixed with a gear wheel 7 at the less end outer wall of rotary drum, this gear wheel and pinion 20 engaged transmission that drive by the drive motors that is installed on enclosure interior, drive motors adopts variable-frequency motor, and to regulate the rotary drum rotating speed, optimum speed is 10～100 rev/mins.Inwall at rotary drum circumferentially is provided with flight 11 uniformly at intervals, and the biased direction of flight is identical with the rotary drum rotation direction, to increase the height that material falls, leaves certain spacing between the bigger end end cover of flight and rotary drum, as shown in Fig. 1, Fig. 3.
Be coaxially installed with the waveguide 9 of microwave source in the rotary drum that is provided with hopper one end, rotary drum inside is stretched in waveguide, and the waveguide of different length can be installed as required.For the microwave wave field is distributed in rotary drum comparatively uniformly, the rectangular waveguide of band backbone is adopted in waveguide, and the angle of laying of waveguide is at 45 with horizontal plane, as shown in Figure 3.And on the face of waveguide backbone correspondence the spaced apart rectangular opening 10 that is provided with, the perforate of this perforate faces down, and carries out microwave heating treatment with the material that is deposited in the rotary drum bottom at major part, prevents that simultaneously material from accumulating at the waveguide top.What adopt in the present embodiment is rectangular waveguide, also can adopt circular waveguide according to actual needs certainly.
Charging aperture 27 is arranged on the fixing seal end cap top that the less end of rotary drum is installed, charging aperture is communicated with a feed pipe 5, hopper is installed at the feed pipe top, for preventing that microwave from leaking from charging aperture, install seal cover 4 at the hopper top additional and carry out complete closed, and at the charging aperture place one gravity switch 26 is installed, gravity switch is that hinged metallic plate is made, gravity switch connects with also adopting the hinge load being connected of rotary drum end cover, to make things convenient for charging.Owing to the gravity effect, gravity switch is opened when the solid accumulation in the hopper arrives to a certain degree, and material enters rotary drum inside, and after material entered in the rotary drum fully, because the deadweight effect of switch, gravity switch was closed automatically.Discharging opening 18 is arranged at the end cover bottom that the bigger end of rotary drum is installed, and in discharging opening corresponding shell lower sidewall one hatch door 16 is installed.The end cover at rotary drum two ends can play sealing function to rotary drum, can effectively prevent microwave leakage.Also be provided with a pair of support wheel 19 below the rotary drum port of export, this support wheel is arranged at enclosure interior by a bracing frame, and this support wheel and pinion play the effect of supporting rotary drum simultaneously, to guarantee the rotary drum smooth rotation.
The side connection that is positioned at the rotary drum outside in waveguide is provided with a vertical blast pipe 22, and blast pipe connects an air blast 24 and a heater 23; Be provided with the discharge pipe 14 of a level at rotary drum away from the other end of blast pipe, this discharge pipe connects an air-introduced machine 15.Hatch door is provided with linkage 17, and this linkage can link to each other with the power switch of air blast and microwave source, when the discharging opening hatch door is opened, and the power-off of air blast and microwave source.Hot-air enters rotary drum by waveguide, and material is heated and discharges at the discharge pipe place at the place, axle center of big end.For preventing microwave leakage, the import department that is installed into airduct in waveguide is provided with protection network 25, this protection network is directly to be shaped on a plurality of apertures to form in waveguide, the exit that discharge pipe is installed at rotary drum is provided with protection network 12, this protection network is a wire netting, and the diameter of the perforate of protection network is 3 millimeters, and this device is used for heat treated granular material or small-sized sheet material, so the perforate size is determined that by material shapes maximum gauge is no more than 8 millimeters.
This drier adopts microwave and low temperature hot blast as drying source, and can adjust the import hot blast temperature according to the characteristic of dried material.This drier is horizontal equipment, and the operating frequency of microwave source is 915MHz, and this drier is operating as intermittently operated.The rate of drying height of this drier, effective, material are heated drying fast when stirring with drum rotating, can effectively prevent the overheated and sex change of material, are applicable to dried particles shape material, sheet material and heat sensitive material.
Claims (9)
1. microwave hot air rotary drum drier, constitute by housing, microwave source, rotary drum, drive motors, microwave source and rotary drum are installed in enclosure interior, drive motors drives rotary drum and rotates, be respectively arranged with charging aperture and discharging opening on the end cap at rotary drum both ends, hopper is arranged on an end of rotary drum, it is characterized in that: rotary drum is coaxially installed with the waveguide of microwave source for conical and horizontally rotate and be installed in the housing in the rotary drum that is provided with hopper one end.
2. microwave hot air rotary drum drier according to claim 1 is characterized in that: a side that is positioned at the rotary drum outside in waveguide is communicated with and is provided with a blast pipe, is provided with a discharge pipe at rotary drum away from the other end of blast pipe.
3. microwave hot air rotary drum drier according to claim 2 is characterized in that: be installed into the import department of airduct and rotary drum in waveguide and the exit of discharge pipe is installed is provided with protection network.
4. microwave hot air rotary drum drier according to claim 1 is characterized in that: described waveguide for the band backbone rectangular waveguide, and on the face of waveguide backbone correspondence the spaced apart rectangular opening that is provided with.
5. microwave hot air rotary drum drier according to claim 1 is characterized in that: circumferentially be provided with uniform flight at drum inner wall.
6. microwave hot air rotary drum drier according to claim 1 is characterized in that: described rotary drum one end outer wall circumferentially is fixed with a gear wheel, this gear wheel and the pinion transmission by the drive motors driving that is installed on enclosure interior.
7. microwave hot air rotary drum drier according to claim 1 is characterized in that: described charging aperture is arranged on the fixing seal end cap top that the less end of rotary drum is installed, and at the charging aperture place one gravity switch is installed.
8. microwave hot air rotary drum drier according to claim 1, it is characterized in that: described discharging opening is arranged at the fixing seal end cap bottom that the bigger end of rotary drum is installed, in discharging opening corresponding shell lower sidewall one hatch door is installed, this hatch door is provided with the linkage that links to each other with the power switch of air blast and microwave source.
9. microwave hot air rotary drum drier according to claim 1 is characterized in that: described blast pipe connects an air blast and an air heater, and discharge pipe connects an air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200960868U CN201032332Y (en) | 2007-05-24 | 2007-05-24 | Microwave hot blast barrate drying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200960868U CN201032332Y (en) | 2007-05-24 | 2007-05-24 | Microwave hot blast barrate drying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201032332Y true CN201032332Y (en) | 2008-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200960868U Expired - Fee Related CN201032332Y (en) | 2007-05-24 | 2007-05-24 | Microwave hot blast barrate drying apparatus |
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| CN (1) | CN201032332Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620535A (en) * | 2012-04-05 | 2012-08-01 | 镇江新梦溪能源科技有限公司 | Rolling drier |
| CN103398574A (en) * | 2013-07-31 | 2013-11-20 | 南京威安新材料科技有限公司 | Roller structure of roller dryer |
| CN106721913A (en) * | 2017-02-27 | 2017-05-31 | 山东农业大学 | Horizontal block soft body food dewaterer |
| CN106969609A (en) * | 2017-05-27 | 2017-07-21 | 湖州民强炭业有限公司 | Carbon molecular sieve drying device |
| CN107462029A (en) * | 2017-08-03 | 2017-12-12 | 南京协和助剂有限公司 | Plastic cement auxiliary agent drying unit |
| CN108036614A (en) * | 2017-12-07 | 2018-05-15 | 枞阳县共义生态农业科技有限公司 | A kind of drying corps roller |
| CN108050791A (en) * | 2017-12-07 | 2018-05-18 | 枞阳县共义生态农业科技有限公司 | A kind of novel crops three-cylinder drier |
| CN109579463A (en) * | 2018-10-25 | 2019-04-05 | 中国农业大学 | A kind of microwave rolling bed drying equipment |
| CN111657515A (en) * | 2019-03-06 | 2020-09-15 | 张存续 | Coaxial drum type microwave material processing cavity |
| CN116067160A (en) * | 2023-03-10 | 2023-05-05 | 山东理工大学 | Microwave hot air heat pump infrared coupling drying equipment |
-
2007
- 2007-05-24 CN CNU2007200960868U patent/CN201032332Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620535A (en) * | 2012-04-05 | 2012-08-01 | 镇江新梦溪能源科技有限公司 | Rolling drier |
| CN103398574A (en) * | 2013-07-31 | 2013-11-20 | 南京威安新材料科技有限公司 | Roller structure of roller dryer |
| CN106721913A (en) * | 2017-02-27 | 2017-05-31 | 山东农业大学 | Horizontal block soft body food dewaterer |
| CN106969609A (en) * | 2017-05-27 | 2017-07-21 | 湖州民强炭业有限公司 | Carbon molecular sieve drying device |
| CN107462029A (en) * | 2017-08-03 | 2017-12-12 | 南京协和助剂有限公司 | Plastic cement auxiliary agent drying unit |
| CN108036614A (en) * | 2017-12-07 | 2018-05-15 | 枞阳县共义生态农业科技有限公司 | A kind of drying corps roller |
| CN108050791A (en) * | 2017-12-07 | 2018-05-18 | 枞阳县共义生态农业科技有限公司 | A kind of novel crops three-cylinder drier |
| CN109579463A (en) * | 2018-10-25 | 2019-04-05 | 中国农业大学 | A kind of microwave rolling bed drying equipment |
| CN109579463B (en) * | 2018-10-25 | 2019-11-12 | 中国农业大学 | A kind of microwave rolling bed drying equipment |
| CN111657515A (en) * | 2019-03-06 | 2020-09-15 | 张存续 | Coaxial drum type microwave material processing cavity |
| CN116067160A (en) * | 2023-03-10 | 2023-05-05 | 山东理工大学 | Microwave hot air heat pump infrared coupling drying equipment |
| CN116067160B (en) * | 2023-03-10 | 2024-04-19 | 山东理工大学 | Microwave hot air heat pump infrared coupling drying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20110524 |