CN2852001Y - Countercurrent ventilating microwave drying machine with top arranged magnetron - Google Patents
Countercurrent ventilating microwave drying machine with top arranged magnetron Download PDFInfo
- Publication number
- CN2852001Y CN2852001Y CN 200520143673 CN200520143673U CN2852001Y CN 2852001 Y CN2852001 Y CN 2852001Y CN 200520143673 CN200520143673 CN 200520143673 CN 200520143673 U CN200520143673 U CN 200520143673U CN 2852001 Y CN2852001 Y CN 2852001Y
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- air
- magnetron
- dryer
- conveyor belt
- hot air
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- 238000001035 drying Methods 0.000 title claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 4
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
本实用新型涉及一种磁控管顶置式逆流通风微波干燥机。在干燥机烘干室内设置有物料输送带，在干燥机顶部沿物料输送带方向安装有至少一个磁控管，磁控管上装配有散热风机，在至少一组磁控管及磁控管的散热风机外设有热风收集室，热风收集室的热风出口上连接有一套引风装置，在干燥机烘干室内输送带的下方扣设有开口朝上的吹风罩，吹风罩底部的吹风口通过机内导风管与引风装置的出风口连接。在不额外增加能量消耗的前提下，充分利用磁控管正常工作状态下产生的余热，通过提高通风气流的温度，提高了吸湿的能力，并使能量利用率提高大约20％，提高了物料层内的干燥均匀性。
The utility model relates to a magnetron top-mounted countercurrent ventilation microwave dryer. A material conveyor belt is arranged in the drying chamber of the dryer, and at least one magnetron is installed on the top of the dryer along the direction of the material conveyor belt. The magnetron is equipped with a cooling fan. There is a hot air collection room outside the heat dissipation fan, and a set of air induction device is connected to the hot air outlet of the hot air collection room. A blowing hood with an opening facing upward is buckled under the conveyor belt in the drying chamber of the dryer. The blowing port at the bottom of the blowing hood passes through The air guide pipe in the machine is connected with the air outlet of the air induction device. Under the premise of no additional energy consumption, make full use of the waste heat generated by the magnetron under normal working conditions, improve the moisture absorption capacity by increasing the temperature of the ventilation airflow, and increase the energy utilization rate by about 20%, and improve the material layer. uniformity of drying.
Description
技术领域technical field
本实用新型涉及一种磁控管顶置式逆流通风微波干燥机。The utility model relates to a magnetron top-mounted countercurrent ventilation microwave dryer.
背景技术Background technique
现有微波加热干燥装置中没有特别设置的利用磁控管余热的通风机构，不利于余热的利用和物料的湿气排放，使其中的磁控管散热发出的热量都白白排放掉(特别是集中动力式微波加热、干燥机)，因而造成很大浪费(大约为总功耗的20％)。In the existing microwave heating and drying device, there is no special ventilation mechanism for utilizing the waste heat of the magnetron, which is not conducive to the utilization of waste heat and the discharge of moisture from the material, so that the heat emitted by the magnetron in it is discharged in vain (especially concentrated Power microwave heating, drying machine), thus causing a lot of waste (about 20% of the total power consumption).
实用新型内容Utility model content
针对上述问题，本实用新型的任务是提供一种磁控管顶置式逆流通风微波干燥机，提高物料的干燥效率，同时把磁控管的散热热量充分加以利用。In view of the above problems, the task of this utility model is to provide a magnetron top-mounted countercurrent ventilation microwave dryer, which can improve the drying efficiency of materials, and at the same time make full use of the heat dissipation of the magnetron.
为实现上述目的，本实用新型的技术方案是：一种磁控管顶置式逆流通风微波干燥机，在干燥机烘干室内设置有物料输送带，在干燥机顶部沿物料输送带方向安装有至少一个磁控管，磁控管上装配有散热风机，在至少一组磁控管及磁控管的散热风机外设有热风收集室，热风收集室的热风出口上连接有一套引风装置，在干燥机烘干室内输送带的下方扣设有开口朝上的吹风罩，吹风罩底部的吹风口通过机内导风管与引风装置的出风口连接。In order to achieve the above object, the technical solution of this utility model is: a magnetron top-mounted countercurrent ventilation microwave dryer, a material conveyor belt is installed in the drying chamber of the dryer, and at least A magnetron, the magnetron is equipped with a heat dissipation fan, a hot air collection chamber is arranged outside at least one group of magnetrons and the heat dissipation fan of the magnetron, and a set of air induction device is connected to the hot air outlet of the hot air collection chamber. The bottom of the conveyor belt in the drying chamber of the dryer is provided with a blowing hood with the opening facing upwards, and the blowing port at the bottom of the blowing hood is connected to the air outlet of the air-inducing device through the air guide pipe inside the machine.
所述的吹风罩为一沿输送带方向设置的长槽型罩体。The blowing hood is a long grooved hood arranged along the direction of the conveyor belt.
所述的引风装置由抽风机、抽风机的进风口上连接的上引风管、抽风机的出风口上连接的下引风管组成，上引风管的进口与热风收集室的热风出口连接，下引风管的出口通过法兰盘固定在干燥机的机壁上，对应的机壁处设有通风孔，干燥机内的导风管的进口也通过法兰盘固定在该通风孔上。The air induction device is composed of an exhaust fan, an upper air duct connected to the air inlet of the exhaust fan, and a lower air duct connected to the air outlet of the exhaust fan. The inlet of the upper air duct is connected to the hot air outlet of the hot air collection chamber Connection, the outlet of the lower air duct is fixed on the wall of the dryer through a flange, and the corresponding wall is provided with a ventilation hole, and the inlet of the air guide pipe in the dryer is also fixed on the ventilation hole through a flange superior.
所述的通风孔上装配有微波屏蔽隔网。The ventilation hole is equipped with a microwave shielding partition.
所述的引风装置的送风量在每秒钟每平方米干燥面积风量0.1m3以内，使物料层内的风速小于0.1m/s。The air supply volume of the air induction device is within 0.1m3 per second per square meter of drying area, so that the wind speed in the material layer is less than 0.1m/s.
可见，本磁控管顶置式微波干燥机设置引风装置后，为微波干燥机的排湿通风创造了良好的条件，适合于能够采用筛网状输送带，干燥散粒状以及蓬松状物料的连续式或间歇式微波干燥机应用。由于引风装置的风源取自磁控管的散热热风，所以在不额外增加能量消耗的前提下，充分利用磁控管正常工作状态下产生的余热，通过提高通风气流的温度，提高了吸湿的能力，并使能量利用率提高大约20％，提高了物料层内的干燥均匀性。It can be seen that after the magnetron top-mounted microwave dryer is equipped with an air induction device, it creates good conditions for the dehumidification and ventilation of the microwave dryer, and is suitable for the continuous drying of granular and fluffy materials using a mesh conveyor belt. Type or batch microwave dryer application. Since the air source of the air induction device is taken from the heat dissipation hot air of the magnetron, without additional energy consumption, the waste heat generated by the magnetron under normal working conditions is fully utilized, and the moisture absorption is improved by increasing the temperature of the ventilation airflow. The capacity, and the energy utilization rate is increased by about 20%, and the drying uniformity in the material layer is improved.
附图说明Description of drawings
图1为本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
图2为图1的右视图。Fig. 2 is a right side view of Fig. 1 .
具体实施方式Detailed ways
如图1、图2所示，本磁控管顶置式逆流通风微波干燥机，在干燥机烘干室16内设置有物料输送带11，物料输送带11用于输送物料12。在干燥机顶部沿物料输送带方向安装有三个磁控管3(也可以为一个或多个)，每个磁控管3上装配有散热风机2，本实施例中在每组磁控管及磁控管的散热风机外设有热风收集室4，热风收集室4上有进口1和热风出口，热风收集室4的热风出口上连接有一套引风装置，引风装置的出风口与微波干燥机的烘干室16连通。在干燥机烘干室16内输送带11的下方扣设有开口朝上的吹风罩13，吹风罩13底部的吹风口通过机内导风管9与引风装置的出风口连接。吹风罩13为一沿输送带11方向设置的长槽型罩体。本实施例中，引风装置由抽风机6、抽风机的进风口上连接的上引风管5、抽风机的出风口上连接的下引风管7组成，上引风管5的进口与各热风收集室4的热风出口连接，下引风管7的出口通过法兰盘固定在干燥机的底部机壁上，对应的机壁处设有通风孔，干燥机内的导风管9的进口也通过法兰盘固定在该通风孔上。通风孔上装配有微波屏蔽隔网8。引风装置的送风量控制在每秒钟每平方米干燥面积风量0.1m3以内，使物料层内的风速小于0.1m/s。干燥机烘干室16的机壁上设有侧向的排湿口14，输送带11可以是筛网状输送带或帘布状输送带，输送带上装配有输送带轮15。为了较好防止微波向干燥机外泄漏，上述微波屏蔽隔网8应设置孔径为1mm左右的筛网。As shown in Figures 1 and 2, the magnetron top-mounted countercurrent ventilation microwave dryer is provided with a material conveyor belt 11 in the drying chamber 16 of the dryer, and the material conveyor belt 11 is used to transport materials 12 . Three magnetrons 3 (also can be one or more) are installed along the material conveyor belt direction on the top of the dryer, and each magnetron 3 is equipped with a cooling fan 2. In the present embodiment, each group of magnetrons and The heat dissipation fan of the magnetron is provided with a hot air collection chamber 4. There is an inlet 1 and a hot air outlet on the hot air collection chamber 4. The hot air outlet of the hot air collection chamber 4 is connected with a set of air induction device. The drying chamber 16 of the machine is connected. Buckle below the conveyer belt 11 in the drying chamber 16 of the drier and be provided with the blowing cover 13 that opening faces upwards, and the blowing port at the bottom of the blowing cover 13 is connected with the air outlet of the draft device by the air guide pipe 9 in the machine. The blowing cover 13 is a slotted cover body arranged along the conveyer belt 11 direction. In the present embodiment, the air induction device is made up of the upper induction pipe 5 connected on the air inlet of the exhaust fan 6, the air inlet of the exhaust fan, and the lower induction pipe 7 connected on the air outlet of the exhaust fan. The hot air outlets of each hot air collection chamber 4 are connected, and the outlet of the lower air guide pipe 7 is fixed on the bottom machine wall of the dryer through a flange, and the corresponding machine wall is provided with ventilation holes. The inlet is also fixed to this vent hole by means of a flange. The ventilation hole is equipped with a microwave shielding partition 8. The air supply volume of the air induction device is controlled within 0.1m3 per second per square meter of drying area, so that the wind speed in the material layer is less than 0.1m/s. The wall of the drying chamber 16 of the drier is provided with a lateral moisture outlet 14, and the conveyor belt 11 can be a screen-like conveyor belt or a curtain-like conveyor belt, and the conveyor belt is equipped with a conveyor pulley 15. In order to better prevent the microwave from leaking out of the dryer, the above-mentioned microwave shielding partition 8 should be provided with a screen with an aperture of about 1mm.
最后所应说明的是：以上实施例仅用以说明而非限制本实用新型的技术方案，尽管参照上述实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解：依然可以对本实用新型进行修改或者等同替换，而不脱离本实用新型的精神和范围的任何修改或局部替换，其均应涵盖在本实用新型的权利要求范围当中。Finally, it should be noted that the above embodiments are only used to illustrate and not limit the technical solutions of the present utility model. Although the present utility model has been described in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that: the present utility model can still be Any modification or partial replacement without departing from the spirit and scope of the present utility model shall be covered by the claims of the present utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143673 CN2852001Y (en) | 2005-12-19 | 2005-12-19 | Countercurrent ventilating microwave drying machine with top arranged magnetron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143673 CN2852001Y (en) | 2005-12-19 | 2005-12-19 | Countercurrent ventilating microwave drying machine with top arranged magnetron |
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| Publication Number | Publication Date |
|---|---|
| CN2852001Y true CN2852001Y (en) | 2006-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520143673 Expired - Fee Related CN2852001Y (en) | 2005-12-19 | 2005-12-19 | Countercurrent ventilating microwave drying machine with top arranged magnetron |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785574A (en) * | 2010-03-17 | 2010-07-28 | 王大帅 | Device for drying fruits and vegetables by microwave drying and hot-air pre-heating |
| CN103499198A (en) * | 2013-10-12 | 2014-01-08 | 王兆进 | Funnel-shaped structure device for air draft |
| CN104034144A (en) * | 2014-05-09 | 2014-09-10 | 上海泓阳机械有限公司 | Controllable hot air distributor and grain drying equipment with same |
| CN107906913A (en) * | 2017-12-06 | 2018-04-13 | 倪氏国际玫瑰产业股份有限公司 | A kind of microwave and hot wind combined large rose drying automatic assembly line and method |
| CN109186216A (en) * | 2018-08-23 | 2019-01-11 | 绍兴市质量技术监督检测院 | A kind of microwave rapid drying device of anti-leak |
-
2005
- 2005-12-19 CN CN 200520143673 patent/CN2852001Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785574A (en) * | 2010-03-17 | 2010-07-28 | 王大帅 | Device for drying fruits and vegetables by microwave drying and hot-air pre-heating |
| CN101785574B (en) * | 2010-03-17 | 2013-03-27 | 王大帅 | Device for drying fruits and vegetables by microwave drying and hot-air pre-heating |
| CN103499198A (en) * | 2013-10-12 | 2014-01-08 | 王兆进 | Funnel-shaped structure device for air draft |
| CN104034144A (en) * | 2014-05-09 | 2014-09-10 | 上海泓阳机械有限公司 | Controllable hot air distributor and grain drying equipment with same |
| CN104034144B (en) * | 2014-05-09 | 2016-06-29 | 上海泓阳机械有限公司 | Controlled hot blast is arranged device and adopts its grain drying |
| CN107906913A (en) * | 2017-12-06 | 2018-04-13 | 倪氏国际玫瑰产业股份有限公司 | A kind of microwave and hot wind combined large rose drying automatic assembly line and method |
| CN109186216A (en) * | 2018-08-23 | 2019-01-11 | 绍兴市质量技术监督检测院 | A kind of microwave rapid drying device of anti-leak |
| CN109186216B (en) * | 2018-08-23 | 2023-08-22 | 绍兴市质量技术监督检测院 | Leak-proof microwave quick drying device |
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| CF01 | Termination of patent right due to non-payment of annual fee |