CN2852002Y - Countercurrent ventilating microwave drying machine with side arranged magnetron - Google Patents

Countercurrent ventilating microwave drying machine with side arranged magnetron Download PDF

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Publication number
CN2852002Y
CN2852002Y CN 200520143674 CN200520143674U CN2852002Y CN 2852002 Y CN2852002 Y CN 2852002Y CN 200520143674 CN200520143674 CN 200520143674 CN 200520143674 U CN200520143674 U CN 200520143674U CN 2852002 Y CN2852002 Y CN 2852002Y
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CN
China
Prior art keywords
magnetron
drying machine
drying
air
machine
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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 - Fee Related
Application number
CN 200520143674
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Chinese (zh)
Inventor
董铁有
孙雪
李秀珍
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Henan University of Science and Technology
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Henan University of Science and Technology
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Publication date
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Priority to CN 200520143674 priority Critical patent/CN2852002Y/en
Application granted granted Critical
Publication of CN2852002Y publication Critical patent/CN2852002Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a countercurrent ventilating microwave drying machine with a side arranged magnetron. A material conveyor belt is arranged in a drying chamber of a drying machine. At least one magnetron is arranged at the side part of the drying machine along the direction of the material conveyor belt. A radiating fan is assembled on the magnetron. Hot wind collecting chambers are arranged at the outsides of the magnetron and the radiating fan of the magnetron. A set of induced draft devices is connected to hot wind outlets of the hot wind collecting chambers. A wind blowing hood of which the opening is upward is buckled at the lower side of the conveyor belt in the drying chamber of the drying machine. A wind blowing port at the bottom of the wind blowing hood is connected with wind outlets of the induced draft devices by wind guiding pipes in the drying machine. Under the premise that energy expenditure is not extra increased, afterheat generated when the magnetron normally works is fully used. By raising the temperature of ventilating air flow, hygroscopic capability is raised, energy usage ratio is raised to about 20%, and drying uniformity in material layers is raised.

Description

Magnetron side formula adverse current ventilation microwave dryer
Technical field
The utility model relates to a kind of magnetron side formula adverse current ventilation microwave dryer.
Background technology
The not special ventilating mechanisms that utilizes the magnetron waste heat that is provided with in the existing micro-wave drying device, the moisture exhausting that is unfavorable for afterheat utilization and material, the heat that magnetron heat radiation is wherein sent all emits (particularly concentrating dynamical type heating using microwave, drying machine) in vain, thereby causes very big waste (be approximately total power consumption 20%).
The utility model content
At the problems referred to above, task of the present utility model provides a kind of magnetron side formula adverse current ventilation microwave dryer, improves the drying efficiency of material, simultaneously the heat radiation heat of magnetron fully is used.
For achieving the above object, the technical solution of the utility model is: a kind of magnetron side formula adverse current microwave dryer, in the drying machine drying chamber, be provided with material conveyer belt, along the material conveyer belt direction at least one magnetron is installed at the drying machine sidepiece, be equipped with cooling fan on the magnetron, outside the cooling fan of at least one group of magnetron and magnetron, be provided with the hot blast collecting chamber, be connected with a cover blower unit on the hot-blast outlet of hot blast collecting chamber, in the drying machine drying chamber conveyer belt below button be provided with opening blowing cover up, the blowing mouth of blowing cover bottom is connected with the air outlet of blower unit by guide duct in the machine.
Described blowing cover is a trough type cover body along the belt direction setting.
The following induced duct that connects on the last induced duct that connects on the air inlet of described blower unit by air exhauster, air exhauster, the air outlet of air exhauster is formed, the import of last induced duct is connected with the hot-blast outlet of hot blast collecting chamber, the outlet of following induced duct is fixed on the machine wall of drying machine by ring flange, corresponding machine wall place is provided with air vent, and the import of the guide duct in the drying machine also is fixed on this air vent by ring flange.
Be equipped with the micro-wave screening filter on the described air vent.
The air output of described blower unit is at every square metre of drying area air quantity 0.1m each second 3In, make material bed interior wind speed less than 0.1m/s.
As seen, this magnetron side declines after the ripple drying machine is provided with blower unit, created good condition for the hydrofuge ventilation of microwave dryer, be suitable for adopting the mesh-like conveyer belt, the continous way of dry shot shape and puffy material or intermittent type microwave drying machine are used.Because the wind regime of blower unit is taken from the heat radiation hot blast of magnetron, so under the prerequisite that does not additionally increase energy consumption, make full use of the waste heat that produces under the magnetron normal operating conditions, by improving the temperature of draft, improved the ability of moisture absorption, and it is about 20% that capacity usage ratio is improved, and improved the uniform drying in material bed.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, this magnetron side formula adverse current microwave dryer is provided with material conveyer belt 11 in drying machine drying chamber 16, and material conveyer belt 11 is used for convey materials 12.Along the material conveyer belt direction three magnetrons 3 (also can for one or more) are installed at the drying machine sidepiece, be equipped with cooling fan 2 on each magnetron 3, outside the cooling fan of every group of magnetron and magnetron, be provided with hot blast collecting chamber 4 in the present embodiment, import 1 and hot-blast outlet are arranged on the hot blast collecting chamber 4, be connected with a cover blower unit on the hot-blast outlet of hot blast collecting chamber 4, the air outlet of blower unit is communicated with the drying chamber of microwave dryer 16.In drying machine drying chamber 16 conveyer belt 11 below button be provided with opening blowing cover 13 up, the blowing mouth of blowing cover 13 bottoms is connected with the air outlet of blower unit by guide duct 9 in the machine.Blowing cover 13 is a trough type cover body along the setting of conveyer belt 11 directions.In the present embodiment, the following induced duct 7 that connects on the last induced duct 5 that connects on the air inlet of blower unit by air exhauster 6, air exhauster, the air outlet of air exhauster is formed, the import of last induced duct 5 is connected with the hot-blast outlet of each hot blast collecting chamber 4, the outlet of following induced duct 7 is fixed on the machine diapire of drying machine by ring flange, corresponding machine diapire place is provided with air vent, and the import of the guide duct 9 in the drying machine also is fixed on this air vent by ring flange.Be equipped with micro-wave screening filter 8 on the air vent.The air output of blower unit is controlled at every square metre of drying area air quantity 0.1m each second 3In, make material bed interior wind speed less than 0.1m/s.The machine wall of drying machine drying chamber 16 is provided with the moisture exhausting port 14 of side direction, and conveyer belt 11 can be the mesh-like conveyer belt, is equipped with belt pulley for feeding foil 15 on the conveyer belt.In order better to prevent microwave to the drying machine external leakage, it is screen cloth about 1mm that above-mentioned micro-wave screening filter 8 should be provided with the aperture.
It should be noted last that: above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (5)

1, a kind of magnetron side formula adverse current ventilation microwave dryer, in the drying machine drying chamber, be provided with material conveyer belt, along the material conveyer belt direction at least one magnetron is installed at the drying machine sidepiece, be equipped with cooling fan on the magnetron, it is characterized in that, outside the cooling fan of at least one group of magnetron and magnetron, be provided with the hot blast collecting chamber, be connected with a cover blower unit on the hot-blast outlet of hot blast collecting chamber, in the drying machine drying chamber conveyer belt below button be provided with opening blowing cover up, the blowing mouth of blowing cover bottom is connected with the air outlet of blower unit by guide duct in the machine.
2, microwave dryer according to claim 1 is characterized in that, described blowing cover is a trough type cover body along the belt direction setting.
3, according to claim 1,2 arbitrary described microwave dryers, it is characterized in that, the following induced duct that connects on the last induced duct that connects on the air inlet of described blower unit by air exhauster, air exhauster, the air outlet of air exhauster is formed, the import of last induced duct is connected with the hot-blast outlet of hot blast collecting chamber, the outlet of following induced duct is fixed on the machine wall of drying machine by ring flange, corresponding machine wall place is provided with air vent, and the import of the guide duct in the drying machine also is fixed on this air vent by ring flange.
4, microwave dryer according to claim 3 is characterized in that, is equipped with the micro-wave screening filter on the described air vent.
5, microwave dryer according to claim 4 is characterized in that, the air output of described blower unit is at every square metre of drying area air quantity 0.1m each second 3In, make material bed interior wind speed less than 0.1m/s.
CN 200520143674 2005-12-19 2005-12-19 Countercurrent ventilating microwave drying machine with side arranged magnetron Expired - Fee Related CN2852002Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520143674 CN2852002Y (en) 2005-12-19 2005-12-19 Countercurrent ventilating microwave drying machine with side arranged magnetron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520143674 CN2852002Y (en) 2005-12-19 2005-12-19 Countercurrent ventilating microwave drying machine with side arranged magnetron

Publications (1)

Publication Number Publication Date
CN2852002Y true CN2852002Y (en) 2006-12-27

Family

ID=37585960

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520143674 Expired - Fee Related CN2852002Y (en) 2005-12-19 2005-12-19 Countercurrent ventilating microwave drying machine with side arranged magnetron

Country Status (1)

Country Link
CN (1) CN2852002Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
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