CN103017505B - Microwave drying device and hot air recycling method - Google Patents
Microwave drying device and hot air recycling method Download PDFInfo
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- CN103017505B CN103017505B CN201310003952.4A CN201310003952A CN103017505B CN 103017505 B CN103017505 B CN 103017505B CN 201310003952 A CN201310003952 A CN 201310003952A CN 103017505 B CN103017505 B CN 103017505B
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Abstract
The invention relates to a microwave drying device and a hot air recycling method. The microwave drying device comprises a heating chamber, a microwave source working area and a fan, wherein the heating chamber is used for placing materials to be dried; a microwave source for heating is arranged in the microwave source working area; the fan is used for introducing cold air to the microwave source working area so as to cool a microwave source and discharging out generated hot air; and the microwave drying device further comprises a hot air pipeline and the hot air recycling device, wherein the hot air pipeline is used for collecting hot air discharged out by the fan, and the hot air recycling device is connected with the hot air pipeline and used for feeding the hot air into the heating chamber. According to a technical scheme of the invention, the hot air discharged out from the microwave source working area is recycled and fed back to the heating chamber and has an auxiliary hot air effect on materials subjected to microwave drying in the heating chamber, so that diffusion of steams on the surfaces of the materials is effectively accelerated and obvious promoting effects on the acceleration of the drying progress and the improvement of the drying quality are obtained.
Description
Technical field
The present invention relates to microwave drying field, particularly relate to a kind of drying device by microwaves and hot blast recycling method thereof.
Background technology
At present, in the process utilizing drying device by microwaves to dry material (such as cheese), microwave source produces the microwave of drying, because microwave source can produce higher heat at work, the workspace at microwave source place is made to have higher temperature, if under microwave source is in the duty of high temperature for a long time, the service life of microwave source will be affected, therefore need to cool microwave source and workspace thereof.
In prior art, the general blower fan that adopts is that cold air is introduced in microwave source workspace, and described cold air becomes hot-air and discharges after contacting with microwave source, thus is microwave source and workspace cooling thereof.The exhaust of hot air of generation in air, is caused the loss of energy, is unfavorable for energy-saving and emission-reduction by this type of cooling.Therefore, be necessary that the above-mentioned defect for existing in prior art is improved.
Summary of the invention
Main purpose of the present invention is to provide a kind of drying device by microwaves and hot blast recycling method thereof, and it, by the recycling to hot-air, has saved the energy.
To achieve these goals, according to an aspect of the present invention, provide a kind of drying device by microwaves, comprise heating chamber, microwave source workspace and blower fan, described heating chamber is for placing material to be dried, described microwave source workspace is provided with the microwave source of heating, and described blower fan is described microwave source workspace introducing cold air is that described microwave source is lowered the temperature and discharges the hot-air produced, and described drying device by microwaves also comprises:
Hot-blast pipe line, collects the hot-air that described blower fan is discharged;
Hot blast recycling device, is connected with described hot-blast pipe line and is sent in described heating chamber by described hot-air.
Further, described heating chamber is positioned at the below of described microwave source workspace, and described hot blast recycling device is positioned at the below of described heating chamber.
Further, described hot blast recycling device has and is from upstream to acclivitous bottom surface gradually, downstream along hot blast throughput direction.
Further, described drying device by microwaves also comprises:
Temperature sensor, to be arranged in described microwave source workspace and the temperature detected in described microwave source workspace;
Temperature control unit, when the temperature that described temperature sensor records is more than the first setting value, opens described blower fan, when the temperature that described temperature sensor records is lower than described first setting value, closes described blower fan.
Further, described drying device by microwaves also comprises:
Fan, for being described microwave source workspace introducing cold air;
Wherein, when the temperature that described temperature sensor records is more than the second setting value, described temperature control unit opens described fan, and when the temperature that described temperature sensor records is lower than described second setting value or the first setting value, described temperature control unit closes described fan.
Further, when the temperature that described temperature sensor records exceedes described first setting value and the duration exceedes predetermined amount of time, described temperature control unit opens described fan, when the temperature that described temperature sensor records is lower than described first setting value, described temperature control unit closes described fan.
According to another aspect of the present invention, provide a kind of hot blast recycling method of drying device by microwaves, described drying device by microwaves comprises heating chamber and microwave source workspace, and described method comprises:
Collect the hot-air of discharging in described microwave source workspace;
Described hot-air is sent in described heating chamber.
Described method also comprises:
Measure the temperature in described microwave source workspace;
If described temperature is higher than the first setting value, for described microwave source workspace provides cold air;
If described measuring tempeature is lower than described first setting value, then stop as described microwave source workspace provides cold air.
Further, described method also comprises:
If described measuring tempeature is higher than the second setting value, then for described microwave source workspace provides extra cold air;
If described measuring tempeature is lower than described second setting value or the first setting value, then stop as described microwave source workspace provides extra cold air.
Further, described method also comprises:
If described measuring tempeature higher than described first setting value and the duration exceed predetermined amount of time, then for described microwave source workspace provides extra cold air;
If described temperature is lower than described first setting value, then stop as described microwave source workspace provides extra cold air.
According to technical scheme of the present invention, because the hot-air of will discharge from microwave source workspace reclaims, and send back in heating chamber, auxiliary hot blast effect is carried out to the material carrying out microwave drying in heating chamber, thus effectively accelerate distributing of material surface steam, to acceleration oven dry process and raising dries quantity, there is obvious facilitation.
In addition, by set temperature sensor and temperature control unit, the start/stop of blower fan can be controlled according to the actual temperature in microwave source workspace in real time, saved the energy, decreased the loss of blower fan.In addition; actual conditions according to microwave source and microwave source workspace precalculates the first preset value, the second preset value and predetermined amount of time; the cold air amount sent in microwave source workspace can be regulated in time according to the actual temperature in microwave source workspace; thus more effectively, in time protect microwave source; avoid its long-term work at too high a temperature, improve the service life of microwave source.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of drying device by microwaves of the present invention.
Detailed description of the invention
It should be noted that, when not clearly limit or when not conflicting, the feature in each embodiment of the present invention can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the structural representation of drying device by microwaves of the present invention.As shown in Figure 1, drying device by microwaves comprises heating chamber 10 and microwave source workspace 20.Material 11 to be dried is placed with, such as cheese etc. in heating chamber 10.These materials 11 can as required spaced, be placed in heating chamber 10 equably, to ensure the uniformity of drying materials.
Microwave source workspace 20 is positioned at the top of heating chamber 10, is wherein provided with the one or more microwave sources 30 for generation of microwave.When microwave source 30 is multiple, these microwave sources 30 can be evenly distributed in microwave source workspace 10 as required.The microwave of generation is sent in heating chamber 10 by passage unshowned in Fig. 1 by microwave source 30, heats the material 11 to be dried in heating chamber 10.
Microwave source 30 can produce heat in the course of the work, and the temperature in microwave source workspace 20 is raised gradually, if microwave source 30 works for a long time at relatively high temperatures, just may shorten the working life of microwave source 30.In order to reduce the temperature in microwave source workspace 20, in the outside of a side of microwave source workspace 20, blower fan 40 is installed.
With reference to Fig. 1, because microwave source workspace 20 is positioned at the top of heating chamber 10, microwave source workspace 20 is in higher position in whole drying device by microwaves, therefore, supporting construction (such as support bar) can be passed through blower fan 40 is arranged at suitable height, make it be in the outside of microwave source workspace 20.Thus, be convenient to lay the pipeline etc. that is connected with blower fan 40, be also convenient to keep in repair or more ventilating fan 40 and parts thereof.
The exhaust passage (Fig. 1 is not shown) of discharging for air is provided with between microwave source workspace 20 and blower fan 40, equally, also the passage for air circulation is had at other walls (such as forward and backward side or end face are preferably on another side relative with described blower fan setting position) of microwave source workspace 20.
When blower fan 40 is started working, due to its pump-absorb action, cold air outside microwave source workspace 20 is introduced within described microwave source workspace 20 (as shown by arrow A), hot-air is become after contacting with microwave source 30 wherein, then be discharged to (as shown by arrow B) outside microwave source workspace 20 through the exhaust passage between blower fan 40 and microwave source workspace 20, collected by blower fan 40.
Drying device by microwaves of the present invention is also provided with hot-blast pipe line 50 and hot blast recycling device 60.Hot-blast pipe line 50 is connected with blower fan 40, and the hot-air collected by blower fan 40 sends into hot blast recycling device 60(as shown by arrow C).Hot blast recycling device 60 is a cavity, and is positioned at the below of heating chamber 10.
With reference to Fig. 1, hot blast recycling device 60 has an entrance be communicated with hot-blast pipe line 50, also has multiple outlet communicated with the bottom surface of heating chamber 10, except described entrance and exit, the remainder of hot blast recycling device 60 is closed, and constitutes the cavity of base closed.
Described outlet due to hot blast recycling device 60 is arranged on the bottom surface of heating chamber 10, be conducive to hot-air to flow from the bottom to top (as shown by arrow D), auxiliary hot blast effect can be carried out to the material 11 carrying out microwave drying in heating chamber 10, thus effectively accelerate distributing of material 11 surface water steam, to acceleration oven dry process and raising dries quantity, there is obvious facilitation.
In addition, as shown in Figure 1, hot blast recycling device 60 has and is from upstream to along hot blast throughput direction the bottom surface that downstream upwards tilts gradually, can ensure that hot-air keeps comparatively uniform wind speed at hot-blast outlet place, thus be conducive to hot-air to be sent in heating chamber 10 equably by multiple outlet, improve the uniformity of auxiliary hot blast effect, the material 11 in heating chamber 10 is heated evenly.Certainly, the angle of inclination of described bottom surface specifically can set according to physical conditions such as the size of heating chamber, hot blast recycling device and quantity of hot air.
In the drying device by microwaves shown in Fig. 1, if blower fan 40 continuous operation all the time, then likely cause the increase of blower fan 40 energy consumption, also unfavorable to the service life of blower fan 40.Therefore, can also in microwave source workspace 20 set temperature sensor 80.The temperature in microwave source workspace 20 measured by temperature sensor 80, and measured value is sent to the unshowned temperature control unit of Fig. 1.Temperature control unit can more described measured value and the first setting value preset.Described first setting value is the safe temperature in the microwave source workspace that measures in advance, when microwave source 30 works in the environment of the following temperature of this first setting value, substantially its service life can not be affected, otherwise, if microwave source 30 long-term work in the environment of the above temperature of this first setting value, then can affect its working life.
Therefore, if described measured value is higher than the first setting value, temperature control unit can send signal to blower fan 40, start blower fan 40 to lower the temperature for microwave source workspace 20, if described measured value is lower than the first setting value, temperature control unit can send signal to blower fan 40, does not does not start or stop the blower fan 40 started.
In this way, when the temperature in microwave source workspace 20 can not damage the service life of microwave source 30, the blower fan 40 started can not be started or stoped, thus saved energy, it also avoid the meaningless loss of blower fan 40.
In addition, as shown in Figure 1, described drying device by microwaves can also comprise aerofoil fan 70, and it is arranged on the top of described microwave source workspace 20.When the temperature that temperature sensor 80 records is higher than the second setting value, for avoiding only relying on blower fan 40 to be not enough to reduce fast the temperature of microwave source 30, thus affect the service life of microwave source 30, temperature control unit can open aerofoil fan 70, increases the cold air amount entered in microwave source workspace 20.When the temperature that temperature sensor 80 records is lower than described second setting value, temperature control unit closing axle flow fan 70, to avoid unnecessary energy consumption.Or when the temperature that also can by the time record is lower than described first setting value, temperature control unit is closing axle flow fan 70, like this can more promptly workspace, cooled microwave source and microwave source.
Described second setting value can measure in advance according to the actual conditions of microwave source and microwave source workspace and arrange, its numerical value is higher than aforementioned first setting value, if the temperature in microwave source workspace is higher than this second setting value, show that microwave source 30 is in the hole, need to reduce the temperature in microwave source workspace as early as possible.
In addition, the entry condition of aerofoil fan 70, except the second setting value, can also be the time period that temperature in microwave source workspace 20 is in more than the first setting value.If the temperature in microwave source workspace 20 is not more than the second setting value, but more than the first setting value, and experienced by the time exceeding predetermined amount of time, shown that microwave source 30 is not cooled timely, also may affect its service life.Described predetermined amount of time can measure in advance according to the actual conditions of microwave source and microwave source workspace and arrange, to ensure that microwave source can not work for a long time under the environment more than the first setting value.
In this way, can ensure that the temperature in microwave source workspace 20 is no more than the second setting value as far as possible, or not be in the state more than the first setting value for a long time, thus protect microwave source 30 further.
Temperature sensor 80 can be arranged at the top in microwave operational district 20, has both been convenient to install, and the characteristic that hot-air can be utilized again upwards to flow more adequately measures the temperature in microwave operational district 20.Equally, aerofoil fan 70 also can be arranged on the top in microwave operational district 20, is convenient to promptly introduce cold air, when needs, also can promptly upwards be discharged by the hot-air in microwave operational district 20.
As shown in Figure 1, present invention also offers a kind of hot blast recycling method of drying device by microwaves, described drying device by microwaves comprises microwave source workspace and heating chamber, described method comprises: first, collect the hot-air of discharging in described microwave source workspace, then, described hot-air is sent in described heating chamber.
In addition, in described hot blast recycling method, the temperature in described microwave source workspace can also be measured, if described measuring tempeature is higher than the first setting value, then open blower fan and provide cold air for described microwave source workspace, if described measuring tempeature lower than described first setting value, then closes described blower fan.
In addition, if described measuring tempeature is higher than the second setting value, then opens aerofoil fan and provide extra cold air, if described measuring tempeature is lower than described second setting value or the first setting value, then closing axle flow fan for described microwave source workspace.
Or, if described measuring tempeature higher than the first setting value and the duration exceed predetermined amount of time, then open aerofoil fan and provide extra cold air, if described temperature is lower than described first setting value, then closing axle flow fan for described microwave source workspace.
Drying device by microwaves of the present invention and hot blast recycling method thereof is described above according to embodiment, but this device is not limited in the parts described in described embodiment and/or annexation, such as, heating chamber, microwave source workspace, blower fan and hot blast recycling device etc. are not limited to the position relationship in this embodiment, as long as can send back in heating chamber by the hot-air that microwave source workspace is discharged, the object of the present invention can be realized; Except aerofoil fan, other also can be adopted to have the fan impelling air to flow.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a drying device by microwaves, comprise heating chamber, microwave source workspace and blower fan, described heating chamber is for placing material to be dried, described microwave source workspace is provided with the microwave source of heating, described blower fan is described microwave source workspace introducing cold air is that described microwave source is lowered the temperature and discharges the hot-air produced, it is characterized in that, described drying device by microwaves also comprises:
Hot-blast pipe line, collects the hot-air that described blower fan is discharged;
Hot blast recycling device, is connected with described hot-blast pipe line and is sent in described heating chamber by described hot-air;
Wherein, described heating chamber is positioned at the below of described microwave source workspace, and described hot blast recycling device is positioned at the below of described heating chamber; Described hot blast recycling device has and is from upstream to acclivitous bottom surface gradually, downstream along hot blast throughput direction;
Described drying device by microwaves also comprises:
Temperature sensor, to be arranged in described microwave source workspace and the temperature detected in described microwave source workspace;
Temperature control unit, when the temperature that described temperature sensor records is more than the first setting value, opens described blower fan, when the temperature that described temperature sensor records is lower than described first setting value, closes described blower fan;
Fan, for being described microwave source workspace introducing cold air;
Wherein, when the temperature that described temperature sensor records exceedes described first setting value and the duration exceedes predetermined amount of time, described temperature control unit opens described fan, when the temperature that described temperature sensor records is lower than described first setting value, described temperature control unit closes described fan.
2. drying device by microwaves according to claim 1, is characterized in that,
Wherein, when the temperature that described temperature sensor records is more than the second setting value, described temperature control unit opens described fan, and when the temperature that described temperature sensor records is lower than described second setting value or the first setting value, described temperature control unit closes described fan.
3. a hot blast recycling method for drying device by microwaves, the drying device by microwaves of described drying device by microwaves according to any one of claim 1 to 2, is characterized in that, described method comprises:
Collect the hot-air of discharging in described microwave source workspace;
Described hot-air is sent in described heating chamber.
4. hot blast recycling method according to claim 3, is characterized in that, described method also comprises:
Measure the temperature in described microwave source workspace;
If described temperature is higher than the first setting value, for described microwave source workspace provides cold air;
If described measuring tempeature is lower than described first setting value, then stop as described microwave source workspace provides cold air.
5. hot blast recycling method according to claim 4, is characterized in that, described method also comprises:
If described measuring tempeature is higher than the second setting value, then for described microwave source workspace provides extra cold air;
If described measuring tempeature is lower than described second setting value or the first setting value, then stop as described microwave source workspace provides extra cold air.
6. hot blast recycling method according to claim 4, is characterized in that, described method also comprises:
If described measuring tempeature higher than described first setting value and the duration exceed predetermined amount of time, then for described microwave source workspace provides extra cold air;
If described temperature is lower than described first setting value, then stop as described microwave source workspace provides extra cold air.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103506581A (en) * | 2013-10-21 | 2014-01-15 | 机械科学研究总院先进制造技术研究中心 | Microwave drying equipment suitable for drying of large-size sand mold |
| CN108775778B (en) * | 2018-04-27 | 2023-11-07 | 中国科学院青岛生物能源与过程研究所 | Drying device and drying method |
| CN110313574A (en) * | 2019-07-05 | 2019-10-11 | 合肥市福客多快餐食品有限公司 | A kind of food-dewatering device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213863A (en) * | 1999-01-20 | 2000-08-02 | Matsushita Electric Ind Co Ltd | Dryer |
| CN201187935Y (en) * | 2007-12-17 | 2009-01-28 | 泰安康平纳毛纺织集团有限公司 | Microwave drier for drying yarn in dyeing and finishing industry |
| CN201852414U (en) * | 2010-09-30 | 2011-06-01 | 安徽亚兰德新能源材料有限公司 | Spherical nickel hydroxide microwave drying system |
| CN201917190U (en) * | 2011-01-27 | 2011-08-03 | 苏州大学 | Hot air circulating system of drying oven |
| JP2012026711A (en) * | 2010-07-28 | 2012-02-09 | Sanshu Sangyo Co Ltd | Hybrid dryer, and drying method and drying control method of dryer |
| JP2012037135A (en) * | 2010-08-06 | 2012-02-23 | Mino Ceramic Co Ltd | Microwave drying device and method of manufacturing inorganic material molded body using the same |
| CN102636010A (en) * | 2011-12-30 | 2012-08-15 | 泰安康平纳机械有限公司 | Continuous tunnel type microwave drying method for wool tops after back washing and device |
| CN203274455U (en) * | 2013-01-06 | 2013-11-06 | 机械科学研究总院先进制造技术研究中心 | Microwave drying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936644B (en) * | 2009-09-30 | 2012-04-11 | 湖南省浏阳市择明热工器材有限公司 | Hot air drying system heated by double energy sources |
-
2013
- 2013-01-06 CN CN201310003952.4A patent/CN103017505B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000213863A (en) * | 1999-01-20 | 2000-08-02 | Matsushita Electric Ind Co Ltd | Dryer |
| CN201187935Y (en) * | 2007-12-17 | 2009-01-28 | 泰安康平纳毛纺织集团有限公司 | Microwave drier for drying yarn in dyeing and finishing industry |
| JP2012026711A (en) * | 2010-07-28 | 2012-02-09 | Sanshu Sangyo Co Ltd | Hybrid dryer, and drying method and drying control method of dryer |
| JP2012037135A (en) * | 2010-08-06 | 2012-02-23 | Mino Ceramic Co Ltd | Microwave drying device and method of manufacturing inorganic material molded body using the same |
| CN201852414U (en) * | 2010-09-30 | 2011-06-01 | 安徽亚兰德新能源材料有限公司 | Spherical nickel hydroxide microwave drying system |
| CN201917190U (en) * | 2011-01-27 | 2011-08-03 | 苏州大学 | Hot air circulating system of drying oven |
| CN102636010A (en) * | 2011-12-30 | 2012-08-15 | 泰安康平纳机械有限公司 | Continuous tunnel type microwave drying method for wool tops after back washing and device |
| CN203274455U (en) * | 2013-01-06 | 2013-11-06 | 机械科学研究总院先进制造技术研究中心 | Microwave drying device |
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Address after: 100083 three, 1 building 18, Xue Qing Road, Haidian District, Beijing. Patentee after: BEIJING NATIONAL INNOVATION INSTITUTE OF LIGHTWEIGHT Ltd. Address before: 100083 three, 1 building 18, Xue Qing Road, Haidian District, Beijing. Patentee before: ADVANCED MANUFACTURE TECHNOLOGY CENTER, CHINA ACADEMY OF MACHINERY SCIENCE & TECHNOLOGY |
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Effective date of registration: 20230524 Address after: 100083 three, 1 building 18, Xue Qing Road, Haidian District, Beijing. Patentee after: BEIJING NATIONAL INNOVATION INSTITUTE OF LIGHTWEIGHT Ltd. Patentee after: TAIAN COMPANION MACHINERY Co.,Ltd. Address before: 100083 three, 1 building 18, Xue Qing Road, Haidian District, Beijing. Patentee before: BEIJING NATIONAL INNOVATION INSTITUTE OF LIGHTWEIGHT Ltd. |
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