CN202915680U - A paper-face plasterboard microwave drying system - Google Patents
A paper-face plasterboard microwave drying system Download PDFInfo
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- CN202915680U CN202915680U CN 201220651595 CN201220651595U CN202915680U CN 202915680 U CN202915680 U CN 202915680U CN 201220651595 CN201220651595 CN 201220651595 CN 201220651595 U CN201220651595 U CN 201220651595U CN 202915680 U CN202915680 U CN 202915680U
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- thistle board
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- drying
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Abstract
A paper-face plasterboard microwave drying system comprises a magnetic control tube, a transformer and a drying box and further comprises a hot air circulation system which comprises a ventilation blower and a hot air transporting pipeline. An inlet of the hot air transporting tube is arranged on an area where the magnetic control tube and the transformer are. An outlet of the hot air transporting tube is arranged in the drying box. The ventilation blower is arranged on the position of the inlet of the hot air transporting tube. The hot air circulation system can effectively discharge heat on the areas of the magnetic control tube and the transformer and transport the heat to the drying box to heat materials in an auxiliary mode, the problems that the magnetic control tube and the transformer is burnt out because of too much heat are avoided, and cost is reduced.
Description
Technical field
The utility model relates to a kind of sheet material drying system, particularly, relates to a kind of Thistle board microwave drying system.
Background technology
The at present conventional drying of Thistle board has become the bottleneck that limits its production development, along with the expansion of Thistle board demand and the raising of production capacity, under the overall situation of energy-saving and emission-reduction, seeks the new drying mode of Thistle board and urgently can not treat.Microwave drying technology becomes study hotspot as a kind of drying mode of novel cleaning.Microwave drying is compared with traditional drying mode, has advantages of that rate of drying is large, uniform drying, energy-conservation, cleaner production, easily is automated control and improves the quality of products, thereby more and more come into one's own in the every field of drying.
But, in the process of material in microwave drying, heating using microwave speed is fast, temperature around magnetron and the transformer raises rapidly, the untimely eliminating of high temperature and cause the problem of hot-spot, be easy to burn out magnetron and transformer, and the heat that heating using microwave produces can not get effective utilization, increased the cost of microwave drying.
The utility model content
In order to solve the problems of the technologies described above, the utility model discloses a kind of Thistle board microwave drying system, the heat that recycling microwave drying self produces is to the material auxiliary heating.
The utility model discloses a kind of Thistle board microwave drying system, comprise magnetron, transformer and drying box, also comprise hot air circulating system, described hot air circulating system comprises pressure fan and hot air delivery pipe road, the entrance of described hot air delivery pipe is arranged on described magnetron and transformer region, outlet is set in the described drying box, and described blower setting is in the porch of described hot air delivery pipe.
Preferably, described pressure fan comprises revolution speed control device, and described hot air circulating system also comprises:
Temperature measuring equipment sends to controller with the magnetron of in real time measurement and the temperature of transformer;
Controller receives the temperature value that temperature measuring equipment sends, and produces the speed controling signal of pressure fan and sends to the revolution speed control device of described pressure fan.
Preferably, described Thistle board microwave drying system also comprises hot moisture cycles system, and described hot moisture cycles system comprises:
Dehumidifier apparatus is arranged in the described drying box, is connected with heat exchanger by hot moisture conveyance conduit, and described dehumidifier apparatus flows to heat exchanger with the hot moisture in the drying box by described hot moisture conveyance conduit;
Heat exchanger, be connected by the cold air conveyance conduit with the transformer zone with described magnetron, described heat exchanger receives the hot moisture that dehumidifier apparatus is carried, and is cooled to cold air and cold water, and cooled cold air is delivered to described magnetron and transformer zone by the cold air conveyance conduit.
Preferably, described hot moisture cycles system also comprises:
The hygrometric device is arranged in the described drying box, measures in real time the humidity of described drying box, and sends to controller;
Controller receives the humidity value that described hygrometric device sends, and produces control signal and is sent to described dehumidifier apparatus.
Preferably, described hot moisture cycles system also comprises the cold water retracting device, and described heat exchanger is connected with described cold water retracting device by the cold water output channel, and described heat exchanger is delivered to described cold water retracting device with cooled cold water by the cold water output channel.
Preferably, described pressure fan comprises the pressure fan revolution speed control device, and described magnetron comprises the microwave output power control device, and described Thistle board microwave drying system also comprises on-line detecting system, and described on-line detecting system comprises:
Mass sensor detects in real time the quality of Thistle board in the drying box, and sends to controller;
Temperature sensor detects in real time the temperature of Thistle board in the drying box, and sends to controller;
Controller, the temperature value that the mass value that the described mass sensor that receives is detected and described temperature sensor detect is compared with the drying curve parameter of presetting, produce microwave output power control signal and speed controling signal according to comparative result, and the microwave output power control signal sent to described microwave output power control device, speed controling signal is sent to described pressure fan revolution speed control device.
Preferably, described Thistle board microwave drying system also comprises on-line detecting system, and described on-line detecting system comprises:
Mass sensor detects in real time the quality of Thistle board in the drying box, and sends to controller;
Temperature sensor detects in real time the temperature of Thistle board in the drying box, and sends to controller;
Controller, the temperature value that the mass value that the described mass sensor that receives is detected and described temperature sensor detect is compared with default drying curve parameter, according to comparative result generation control signal, and sends to described dehumidifier apparatus.
The beneficial effects of the utility model are:
1) hot air circulating system can effectively be discharged the heat in magnetron and transformer zone, and with heat delivery to drying box, material is carried out auxiliary heating, avoid magnetron and transformer because of the overheated problem that is burned, and reduced cost.
2) hot moisture cycles system can effectively discharge the moisture in the drying box, and the moisture of discharging is converted to cold air, be used for the cooling in magnetron and transformer zone, can improve drying efficiency, can avoid again magnetron and transformer because of the overheated problem that is burned.
3) on-line detecting system can detect the temperature and humidity of material in real time, and regulates the power output of microwave and the temperature and humidity in the drying box according to testing result.
Description of drawings
Fig. 1 is the structured flowchart according to hot air circulating system among the utility model embodiment;
Fig. 2 is the structured flowchart according to hot moisture cycles system among the utility model embodiment;
Fig. 3 is the structured flowchart according to on-line detecting system among the utility model embodiment;
Fig. 4 is the structured flowchart according to Thistle board microwave drying system among the utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, hereinafter in connection with accompanying drawing embodiment of the present utility model is elaborated.Need to prove, in the situation that do not conflict, the feature among the present embodiment and the embodiment is any combination mutually.
Embodiment one
The present embodiment discloses a kind of hot air circulating system, as shown in Figure 1, comprise pressure fan and hot air delivery pipe road, the entrance of hot air delivery pipe is arranged on magnetron and transformer region, outlet is arranged in the drying box, and blower setting is in the porch of described hot air delivery pipe.
In the process of microwave drying, temperature around magnetron and the transformer raises rapidly, utilize pressure fan can effectively discharge hot-air, the hot-air of discharging is delivered in the drying box by the hot air delivery pipe road, plasterboard in the drying box is carried out auxiliary heating, saved energy consumption and produced liter originally.
In order to improve the automaticity of hot air circulating system, can temperature measuring equipment be set around magnetron and transformer, be used for measuring in real time the temperature of magnetron and transformer, and the temperature value after will measuring sends to controller; Controller produces speed controling signal according to the temperature value that temperature measuring equipment sends, and sends to the pressure fan revolution speed control device, controls the rotating speed of described pressure fan.
After controller is received the temperature value of temperature measuring equipment transmission, can show current magnetron and the temperature value around the transformer in man-machine interface, then manually regulate the rotating speed of pressure fan by controller.
As the mode that can be out of shape, can be in controller the ceiling value of preset temperature, when the temperature value of temperature measuring equipment transmission is higher than this ceiling value, controller can be controlled the rotating speed of pressure fan automatically, accelerates the discharge of hot-air, avoids burning out magnetron and transformer, when the temperature value of temperature measuring equipment transmission is lower than this ceiling value, controller can be controlled the rotating speed of pressure fan automatically, and the discharge of the hot-air that slows down is to reduce energy consumption.
Embodiment two
The present embodiment discloses a kind of hot moisture cycles system, as shown in Figure 2, comprising:
Dehumidifier apparatus is arranged in the drying box, is connected with heat exchanger by hot moisture conveyance conduit, and dehumidifier apparatus flows to heat exchanger with the hot moisture in the drying box by hot moisture conveyance conduit;
Heat exchanger, be connected by the cold air conveyance conduit with the transformer zone with magnetron, heat exchanger receives the hot moisture that dehumidifier apparatus is carried, and is cooled to cold air and cold water, and cooled cold air is delivered to magnetron and transformer zone by the cold air conveyance conduit.
In the dry run of plasterboard, moisture in the plasterboard constantly is excluded, therefore, must discharge the part moisture in the drying box, otherwise will affect operating efficiency, dehumidifier apparatus is converted into cold air and cold water by heat exchanger after the hot moisture of drying box is discharged, and cold air is delivered to magnetron and the cooling of transformer zone, avoid burning out magnetron and transformer, and the recycling energy consumption that greatly reduces of hot moisture.
In order to improve the automaticity of hot air circulating system, the hygrometric device can be set in drying box, be used for measuring in real time the humidity of drying box, and the humidity value after will measuring sends to controller; Controller receives temperature value and produces control signal, and is sent to the dehumidifier apparatus action.
After controller is received the temperature value of hygrometric device transmission, can show in man-machine interface the humidity value of current drying box, then manually regulate dehumidifier apparatus by controller.
As the mode that can be out of shape, can in controller, preset the ceiling value of humidity, when the temperature value of hygrometric device transmission was higher than this ceiling value, controller can be controlled dehumidifier apparatus automatically, accelerates the discharge of hot moisture, avoid affecting drying efficiency, when the temperature value of hygrometric device transmission was lower than this ceiling value, controller can be controlled dehumidifier apparatus automatically, the discharge of the hot moisture that slows down, can close pressure fan in case of necessity, to reduce energy consumption.
In the present embodiment, heat exchanger is converted to cold air and cold water with hot moisture, and wherein, cold water can be delivered to the cold water retracting device by the cold water output channel, and the water of collection re-uses as raw material, has reduced production cost.
Embodiment three
The present embodiment discloses a kind of on-line detecting system, as shown in Figure 3, comprising:
Mass sensor detects the quality of Thistle board in the drying box in real time, and the mass value that detects is sent to controller;
Temperature sensor detects the temperature of Thistle board in the drying box in real time, and the temperature value that detects is sent to controller;
Controller, the temperature value that the mass value that the mass sensor that receives is detected and described temperature sensor detect is compared with mass value and the temperature value preset, produce microwave output power control signal and speed controling signal according to comparative result, and the microwave output power control signal sent to the microwave output power control device, speed controling signal is sent to the pressure fan revolution speed control device.
When plasterboard process drying box, on-line detecting system can obtain temperature and the quality of sheet material, if the data that obtain are consistent with the drying curve parameter of presetting, then the rotating speed according to current microwave output power and pressure fan continues to produce, as do not meet, can automatically regulate the microwave output power of magnetron, rotating speed and the dehumidifier apparatus of pressure fan by controller.
Embodiment four
The present embodiment discloses a kind of Thistle board microwave drying system, as shown in Figure 4, comprises magnetron, transformer and drying box and above-mentioned hot air circulating system, hot moisture cycles system and on-line detecting system.
According to the water content of Thistle board, the output of microwave power is set by the PCU Power Conditioning Unit in the controller.
Thistle board enters microwave dryer and carries out drying, start temperature measuring equipment and detect in real time magnetron and transformer temperature on every side, start the hygrometric device and detect in real time the interior humidity of drying box, start weight and the humidity of weight sensor and the real-time test paper surface gypsum board of humidity sensor.
In the dry run, the hot moisture of discharging through dehumidifier apparatus enters heat exchanger, and cooled hot moisture becomes cold air and cold water, and it is for subsequent use to do that cold water enters the cold water retracting device, and cold air flows into magnetron and transformer zone through the cold air conveyance conduit, to its cooling.
The hot-air that pressure fan is discharged is delivered in the drying box through the hot-air output channel, gives the Thistle board auxiliary heating in the drying box.
Gravimetric value and the humidity value of the Thistle board that detects in real time according to weight sensor and humidity sensor are regulated the microwave output power of magnetron, rotating speed and the dehumidifier apparatus of pressure fan automatically by controller.
Although the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model is not to limit the utility model.Technical staff under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation in the details that reaches of implementing in form; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (7)
1. Thistle board microwave drying system, comprise magnetron, transformer and drying box, it is characterized in that: also comprise hot air circulating system, described hot air circulating system comprises pressure fan and hot air delivery pipe road, the entrance of described hot air delivery pipe is arranged on described magnetron and transformer region, outlet is set in the described drying box, and described blower setting is in the porch of described hot air delivery pipe.
2. Thistle board microwave drying system as claimed in claim 1, it is characterized in that: described pressure fan comprises revolution speed control device, described hot air circulating system also comprises:
Temperature measuring equipment sends to controller with the magnetron of in real time measurement and the temperature of transformer;
Controller receives the temperature value that temperature measuring equipment sends, and produces the speed controling signal of pressure fan and sends to the revolution speed control device of described pressure fan.
3. Thistle board microwave drying system as claimed in claim 1 is characterized in that: described Thistle board microwave drying system also comprises hot moisture cycles system, and described hot moisture cycles system comprises:
Dehumidifier apparatus is arranged in the described drying box, is connected with heat exchanger by hot moisture conveyance conduit, and described dehumidifier apparatus flows to heat exchanger with the hot moisture in the drying box by described hot moisture conveyance conduit;
Heat exchanger, be connected by the cold air conveyance conduit with the transformer zone with described magnetron, described heat exchanger receives the hot moisture that dehumidifier apparatus is carried, and is cooled to cold air and cold water, and cooled cold air is delivered to described magnetron and transformer zone by the cold air conveyance conduit.
4. Thistle board microwave drying system as claimed in claim 3 is characterized in that: described hot moisture cycles system also comprises:
The hygrometric device is arranged in the described drying box, measures in real time the humidity of described drying box, and sends to controller;
Controller receives the humidity value that described hygrometric device sends, and produces control signal and is sent to described dehumidifier apparatus.
5. Thistle board microwave drying system as claimed in claim 3, it is characterized in that: described hot moisture cycles system also comprises the cold water retracting device, described heat exchanger is connected with described cold water retracting device by the cold water output channel, and described heat exchanger is delivered to described cold water retracting device with cooled cold water by the cold water output channel.
6. Thistle board microwave drying system as claimed in claim 1, it is characterized in that: described pressure fan comprises the pressure fan revolution speed control device, described magnetron comprises the microwave output power control device, described Thistle board microwave drying system also comprises on-line detecting system, and described on-line detecting system comprises:
Mass sensor detects in real time the quality of Thistle board in the drying box, and sends to controller;
Temperature sensor detects in real time the temperature of Thistle board in the drying box, and sends to controller;
Controller, the temperature value that the mass value that the described mass sensor that receives is detected and described temperature sensor detect is compared with the drying curve parameter of presetting, produce microwave output power control signal and speed controling signal according to comparative result, and the microwave output power control signal sent to described microwave output power control device, speed controling signal is sent to described pressure fan revolution speed control device.
7. Thistle board microwave drying system as claimed in claim 3, it is characterized in that: described Thistle board microwave drying system also comprises on-line detecting system, and described on-line detecting system comprises:
Mass sensor detects in real time the quality of Thistle board in the drying box, and sends to controller;
Temperature sensor detects in real time the temperature of Thistle board in the drying box, and sends to controller;
Controller, the temperature value that the mass value that the described mass sensor that receives is detected and described temperature sensor detect is compared with default drying curve parameter, according to comparative result generation control signal, and sends to described dehumidifier apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651595 CN202915680U (en) | 2012-11-30 | 2012-11-30 | A paper-face plasterboard microwave drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651595 CN202915680U (en) | 2012-11-30 | 2012-11-30 | A paper-face plasterboard microwave drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915680U true CN202915680U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651595 Expired - Lifetime CN202915680U (en) | 2012-11-30 | 2012-11-30 | A paper-face plasterboard microwave drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202915680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743219A (en) * | 2013-12-24 | 2014-04-23 | 烨辉（中国）科技材料有限公司 | Hot air dryer system for drying steel plates |
| CN110608595A (en) * | 2019-09-18 | 2019-12-24 | 四川大学 | Microwave drying synthetic leather waterborne polyurethane coating device |
-
2012
- 2012-11-30 CN CN 201220651595 patent/CN202915680U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743219A (en) * | 2013-12-24 | 2014-04-23 | 烨辉（中国）科技材料有限公司 | Hot air dryer system for drying steel plates |
| CN110608595A (en) * | 2019-09-18 | 2019-12-24 | 四川大学 | Microwave drying synthetic leather waterborne polyurethane coating device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |