CN201706866U - Tunnel type drying equipment - Google Patents
Tunnel type drying equipment Download PDFInfo
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- CN201706866U CN201706866U CN201020243822XU CN201020243822U CN201706866U CN 201706866 U CN201706866 U CN 201706866U CN 201020243822X U CN201020243822X U CN 201020243822XU CN 201020243822 U CN201020243822 U CN 201020243822U CN 201706866 U CN201706866 U CN 201706866U
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- type drying
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Abstract
The utility model discloses drying equipment, in particular to tunnel type drying equipment which can work by means of electric energy. The utility model provides the tunnel type drying equipment which is high in energy utilization rate and even in heating. The tunnel type drying equipment comprises a stander, a tunnel, a transporting board and a power supply, wherein the tunnel is internally provided with an electromagnetic induction coil, and the electromagnetic induction coil is connected with the power supply and a controller for controlling the electromagnetic induction coil. An electromagnetic induction heater is taken as a heat source, the advantages of high heat percent conversion, fast heating speed and the like of the electromagnetic induction heating are abundantly utilized, and the magnetic force line which is generated by the electromagnetic induction coil is acted to the transporting board, so that the tunnel type drying equipment leads the transporting board to additionally have a heating function, and dries the material. The tunnel is further internally added with a hot wind circulating way, thereby being capable of repeatedly using the hot wind, accelerating the drying and the circulating of the hot air through a dryer and a suction fan, and being good for drying the material.
Description
Technical field
The utility model relates to a kind of drying plant, especially a kind of tunnel type drying plant that utilizes electric energy work.
Background technology
It is in phase early 1990s that China introduces external dryer the earliest, is the pattern of utilizing heating board heating, direct baking basically, and temperature error is big, easily with material scalding, burned; Complete machine structure is simple, and heavy, safeguards cumbersomely, does not have hot air circulation.Existing dryer adopts mostly to be produced hot blast and passes through convection type heating, drying thing.Because the restriction of the rate of heat addition causes heat time heating time longer, thereby makes the bulky of continuous production equipment, has increased equipment investment, has also increased operation easier.Hot blast is the double carrier of heat and mass in the drying unit, should suitably discharge hot humid air to keep the wettability power of hot blast in the drying chamber, again drying chamber is incubated to reduce heat loss, so power consumption is very big.
Along with to the improving constantly of drying materials quality requirement, dryer has had further development, more more advanced is from external import utilize the infrared lamp heating, this is lighter many than heating board before, and safeguards more convenient and quicker.Infrared ray has enough penetration powers to the oven dry of material.Simple in structure because of it, domestic manufacturer all imitates production, and infrared-ray dryer has reached its period of great prosperity very soon.Through use for many years, the advantage of infrared-ray dryer is approved by relevant industries, but new problem has occurred: the first, temperature control error is bigger.Because the control modes of contactor of using (will be closed when promptly reaching design temperature more, start again when being lower than design temperature), in the temperature control process of this one open-one close, temperature error is bigger, and do not have under the situation of hot air circulation at it, the local temperature error is just bigger; The second, ultrared penetration power to the material different colours have different separately effects (infrared ray has enough penetration powers to dark material, but flash baking; And very poor to the penetration power of light material, be difficult to oven dry), when a batch materials has dark color and light color simultaneously, infrared-ray dryer will be felt simply helpless to this.
The utility model content
Technical problem to be solved in the utility model provides the tunnel type drying plant of a kind of energy utilization rate height, homogeneous heating.
The tunnel type drying plant that its technical problem that solves the utility model adopts comprises frame, tunnel, delivery board and power supply, is provided with electromagnetic induction coil in the described tunnel, and electromagnetic induction coil links to each other with the controller of power supply and control electromagnetic induction coil.
Further be that electromagnetic induction coil is arranged on the delivery board bottom.
Further be that the top in the tunnel is provided with the far-infrared heating tube towards material.
Further be that the top in the tunnel is provided with reflector.
Further be, the tunnel is provided with hot air circulating system, and hot air circulating system comprises the hot air circulation road.
Further be that the hot air circulation road is provided with air exhauster.
Further be that the hot air circulation road is provided with drying machine.
Further be that the outside, tunnel is coated with heat-insulation layer.
Further be, controller comprises frequency converter, and frequency converter is wanted to be connected with electromagnetic induction coil.
Further be, be provided with heat-sensitive sensor in the tunnel, heat-sensitive sensor is electrically connected with controller.
The beneficial effects of the utility model are: utilize electromagnetic induction heater as thermal source, made full use of the heat conversion height of electromagnetic induction heating, advantages such as firing rate is fast, the magnetic line of force that electromagnetic induction coil produces acts on the delivery board, thereby make delivery board attach heating function, thereby make dry materials.In the tunnel, also add the hot air circulation road, thereby make hot-air to be recycled, can also make the dry and circulation quickening of hot-air to help dried material by drying machine and air exhauster.Electromagnetic induction coil can be convenient to use controller control, thereby reaches automatic control and overload protection.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the I place enlarged drawing of Fig. 1;
Parts, position and numbering among the figure: frame 1, driven pulley 2, carrier chain 3, delivery board 4, electromagnetic induction coil 5, tunnel 6, hot air circulation road 7, power supply 8, frequency converter 9, A.C. contactor 10, heat-sensitive sensor 11, air exhauster 12, drying machine 13, controller 14, driving wheel 15, discharge bucket 16, far-infrared heating tube 17, reflector 18.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises frame 1, tunnel 6, delivery board 4 and power supply 8, is provided with electromagnetic induction coil 5 in the described tunnel 6, and electromagnetic induction coil 5 links to each other with the controller 14 of power supply 8 and control electromagnetic induction coil 5.Material is placed on the delivery board 4, delivery board 4 interlockings are on carrier chain 3, carrier chain 3 moves under the drive of driving wheel 15 and driven pulley 2, thereby make delivery board 4 motions, owing to be provided with electromagnetic induction coil 5 in the tunnel 6, according to electromagnetic inductive heating principle, during delivery board 4 work, by logical alternating current in electromagnetic induction coil 5, make described electromagnetic induction coil 5 produce the high speed variation magnetic field, when the magnetic line of force in the magnetic field during by the magnetic conduction conductive component in the tunnel 6, in the magnetic conduction conductive component, produce powerful eddy current, and the magnetic conduction conductive component itself is in short-circuit condition, therefore eddy current makes the heating at a high speed voluntarily of magnetic conduction conductive component under the effect of magnetic conduction conductive component self-resistance, thereby has realized electric energy and heat energy conversion, reaches the purpose to the heating of magnetic conduction conductive component, and then to make material heat drying, magnetic conduction conductive component can be delivery board 4 in the tunnel 6, care feed tray, tunnel wall and so on.Owing to do not need other heaters to heat, but under electromagnetic field effect, generate heat by self-resistance by the magnetic conduction conductive component, do not have space medium, just do not have the thermal losses in the heat conductive process and the electric energy loss of heating self, therefore energy savings significantly.Described electromagnetic induction coil 5 does not generate heat yet, and reduces the loss of electric energy equally, its long service life, and working stability is reliable, and maintenance cost is low.Electromagnetic induction coil 5 can be formed by the heat-resisting wire coiling that is with flexible insulated hose outward, and wire circle and line footpath is power and deciding as required, and electromagnetic induction coil 5 can be coiled into required shapes such as circle, square, ellipse.
Heating for the ease of material, make heat can Fast Heating material, electromagnetic induction coil 5 is arranged on delivery board 4 bottoms, electromagnetic induction coil 5 is fixed on delivery board 4 bottoms, preferably guarantee the gap of 0.5-2cm between delivery board 4 outer walls and the electromagnetic induction coil 5, make delivery board 4 be in strong as far as possible field regions, guarantee the higher thermal efficiency.
Because the heating of delivery board 4 mainly acts on the bottom of material, when volume of material is big, may make the top heating slowly, for this reason, the top in the tunnel 6 is provided with the far-infrared heating tube 17 towards material.When bigger logistics was dried to some volumes, the electromagnetism heating was carried out simultaneously with far-infrared heating tube 17, thereby makes the bottom of material and top all can heat, thereby made that oven dry is more even, and efficient is higher.
For the thermal material that adds that makes that far infrared can concentrate more, the tops in the tunnel 6 are provided with reflector 18.Reflectorized material will reflect the far infrared of directive tunnel 6 internal upper parts, and it is shone on the material, utilize the infrared radiation heating material, thereby dry material more efficiently.
For better dried material and raising capacity usage ratio, as shown in Figure 1, tunnel 6 is provided with hot air circulating system, and hot air circulating system comprises hot air circulation road 7.Electromagnetic induction coil 5 is used for dried material with the heat part that delivery board 4 produces, and another part then adds hot-air, and when hot air circulation road 7 was not set, hot-air was directly discharged from discharging opening, thereby causes the waste of heat.After being provided with hot air circulation road 7, because the temperature of the charging aperture of whole drying plant will be lower than the temperature of discharging opening, hot-air can be by hot air circulation road 7 from flowing near the discharging opening near the charging aperture, thereby make hot-air obtain the secondary utilization, thereby improve rate of energy.
In order to accelerate flowing of air, make drying efficiency improve, as shown in Figure 1, hot air circulation road 7 is provided with air exhauster 12.At this moment, can according to circumstances adjust air exhauster 12, thereby make air circulation reach needed effect.
In the recycling of hot-air, because the volatilization of moisture in the material, thereby make that the humidity of hot-air is more and more higher, thus be unfavorable for the drying of back material, and for overcoming the above problems, as shown in Figure 1, the hot air circulation road is provided with drying machine 13.Carry out circulation time at hot-air by the hot air circulation road, through behind the drying machine 13, its humidity descends, and temperature also obtains keeping, thereby makes its drying capacity strengthen, and both can effectively utilize heat, also can avoid hot-air humidity excessive and influence is dry.
Because electromagnetic induction heating mainly acts on the top layer, the delivery board 4 blocked up electromagnetic induction heating that then are unfavorable for, for this reason, delivery board 4 adopts the thick Stainless Steel Chain Board of 1-5mm.This moment not only can economical with materials, also helps electromagnetic induction heating.Stainless Steel Chain Board also can effectively prevent corrosion, thereby makes easy to maintenance.
In order to prevent that heat scatters and disappears, 6 outsides, tunnel are coated with heat-insulation layer.Heat-insulation layer can prevent effectively that the outer wall that heat passes through tunnel 6 scatters and disappears, thereby makes heat can obtain better utilization.For the ease of the installation setting of heat-insulation layer, insulation layer thickness can be set to different values as required, 5～20mm for example, and the heat-insulation layer material can be chosen according to concrete service condition, for example the insulation material of asbestos, alumina silicate and so on.
In Fig. 1, controller 14 comprises frequency converter 9, and frequency converter 9 is connected with electromagnetic induction coil 5.Adopt the shared frequency converter 9 of one or more groups electromagnetic induction coil 5 serial or parallel connections, or a plurality of frequency converter 9 corresponding plurality of electromagnetic induction coils 5.The power output of frequency converter 9 is 15～75KW, by rectification, inversion the output frequency of the AC power of 20/60Hz is converted to low frequency, intermediate frequency or high frequency, and preferred values adopts high frequency 20～80KHz.By changing the power in described electromagnetic induction coil 5 output magnetic fields, the temperature of control delivery board 4.Described power supply 8 can 220 volts, 380 volts AC powers be powered, and by adding overcurrent protection frequency converter 9 and electromagnetic induction coil 5 is realized protection.Can choose the different operating frequency of output by frequency converter 9, only need quantitatively to do appropriate change and get final product, thereby increased temperature controlling range, improve the applicability of equipment at frequency converter 9 and electromagnetic induction coil 5.
As shown in Figure 1, be provided with heat-sensitive sensor 11 in the tunnel 6, heat-sensitive sensor 11 is electrically connected with controller 14.In the controller 14 temperature controller is arranged, utilize heat-sensitive sensor 11 to detect air themperature, output signal drives auxiliary reclay or the A.C. contactor 10 as switch element be connected power supply 8 and 9 in frequency converter, realizes the automatic folding of supply line is controlled.Thereby effectively must realize automatic control, and can when temperature is too high, realize self-protection.Heat-sensitive sensor 11 can adopt infrared temperature probe or thermal resistance sensor.
Above-described tunnel type drying equipment, realized energy-saving and environmental protection, temperature uniformity is good, temperature range is wide, every advantage such as simple to operate, can be widely used in the operation such as preparation, drying, curing, oven dry of the industry products such as agricultural product, food, chemical industry, pharmacy, coating equipment, textile printing and dyeing, casting, building materials processing.
Claims (10)
1. tunnel type drying plant, comprise frame (1), tunnel (6), delivery board (4) and power supply (8), it is characterized in that: be provided with electromagnetic induction coil (5) in described tunnel (6), electromagnetic induction coil (5) links to each other with the controller (14) of power supply (8) and control electromagnetic induction coil (5).
2. tunnel type drying plant as claimed in claim 1 is characterized in that: described electromagnetic induction coil (5) is arranged on delivery board (4) bottom.
3. tunnel type drying plant as claimed in claim 1 is characterized in that: the top in described tunnel (6) is provided with the far-infrared heating tube (17) towards material.
4. tunnel type drying plant as claimed in claim 3 is characterized in that: the top in described tunnel (6) is provided with reflector (18).
5. tunnel type drying plant as claimed in claim 1 is characterized in that: described tunnel (6) are provided with hot air circulating system, and hot air circulating system comprises hot air circulation road (7).
6. tunnel type drying plant as claimed in claim 5 is characterized in that: described hot air circulation road (7) is provided with air exhauster (12).
7. tunnel type drying plant as claimed in claim 5 is characterized in that: described hot air circulation road (7) is provided with drying machine (13).
8. tunnel type drying plant as claimed in claim 1 is characterized in that: described tunnel (6) outside is coated with heat-insulation layer.
9. tunnel type drying plant as claimed in claim 1 is characterized in that: described controller (14) comprises frequency converter (9), and frequency converter (9) is connected with electromagnetic induction coil (5).
10. as the described tunnel type drying plant of the arbitrary claim of claim 1 to 9, it is characterized in that: be provided with heat-sensitive sensor (11) in described tunnel (6), heat-sensitive sensor (11) is electrically connected with controller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020243822XU CN201706866U (en) | 2010-06-30 | 2010-06-30 | Tunnel type drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020243822XU CN201706866U (en) | 2010-06-30 | 2010-06-30 | Tunnel type drying equipment |
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| CN201706866U true CN201706866U (en) | 2011-01-12 |
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| CN201020243822XU Expired - Fee Related CN201706866U (en) | 2010-06-30 | 2010-06-30 | Tunnel type drying equipment |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180379A (en) * | 2011-01-27 | 2011-09-14 | 湖北瑞琪粮食有限公司 | Method for coiling solenoid coil in electromagnetic heating rod making machine |
| CN102218888A (en) * | 2011-03-21 | 2011-10-19 | 蒋均利 | Fully-automatic line production cloth sticking machine |
| CN102243012A (en) * | 2011-06-28 | 2011-11-16 | 黄光智 | Tunnel type continuous oven |
| CN102305521A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hot-air circulating 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 |
| CN103547874A (en) * | 2011-04-15 | 2014-01-29 | 伊利诺斯工具制品有限公司 | Dryer |
| CN103591660A (en) * | 2013-11-03 | 2014-02-19 | 甘瑞群 | Frequency-conversion heating air conditioner |
| CN104246403A (en) * | 2012-04-20 | 2014-12-24 | 艾森曼股份公司 | System for treating objects |
| CN104534838A (en) * | 2014-12-08 | 2015-04-22 | 浙江工商职业技术学院 | Double-faced fluffy towel drying machine |
| CN105157386A (en) * | 2015-06-21 | 2015-12-16 | 淄博大创自动化科技有限公司 | Dehydrating and drying all-in-one machine for bamboo bones of folding fan and dehydrating and flexible drying technology thereof |
| CN105202890A (en) * | 2015-10-27 | 2015-12-30 | 无锡太湖阳山水蜜桃科技有限公司 | Pollen grain dryer |
| WO2016001456A1 (en) * | 2014-07-04 | 2016-01-07 | Das Tech Solutions, S.L.U. | Device and method for product drying |
| CN106152750A (en) * | 2015-04-23 | 2016-11-23 | 陈继武 | A kind of tunnel type high-temperature dehumidification air energy drying device |
| CN106904321A (en) * | 2017-05-07 | 2017-06-30 | 金亚东 | A kind of thermal shrinking package machine of electromagnetic induction heating metal tunnel |
| CN107054777A (en) * | 2017-02-16 | 2017-08-18 | 金亚东 | A kind of high-temperature resistant belt conveyer thermal contraction floor packing machine |
| CN107529610A (en) * | 2017-08-29 | 2018-01-02 | 老梁（贵安新区）科技有限公司 | A kind of fired brick rapid draing roasting tunnel kiln system |
| CN107585368A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | Electromagnetic induction tunnel type thermal shrinking package machine |
| CN108120261A (en) * | 2016-11-28 | 2018-06-05 | 登封市宏远电热元件有限公司 | A kind of single channel double push plate continuous tunnel furnaces drying control device |
| CN110227620A (en) * | 2019-06-20 | 2019-09-13 | 深圳市研创精密设备有限公司 | A kind of mobile phone screening glass fingerprint oil spraying equipment |
-
2010
- 2010-06-30 CN CN201020243822XU patent/CN201706866U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180379A (en) * | 2011-01-27 | 2011-09-14 | 湖北瑞琪粮食有限公司 | Method for coiling solenoid coil in electromagnetic heating rod making machine |
| CN102218888A (en) * | 2011-03-21 | 2011-10-19 | 蒋均利 | Fully-automatic line production cloth sticking machine |
| CN103547874A (en) * | 2011-04-15 | 2014-01-29 | 伊利诺斯工具制品有限公司 | Dryer |
| CN102305521A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hot-air circulating oven |
| CN102243012A (en) * | 2011-06-28 | 2011-11-16 | 黄光智 | Tunnel type continuous 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 |
| CN104246403B (en) * | 2012-04-20 | 2016-11-16 | 艾森曼股份公司 | For processing the system of object |
| CN104246403A (en) * | 2012-04-20 | 2014-12-24 | 艾森曼股份公司 | System for treating objects |
| CN103591660A (en) * | 2013-11-03 | 2014-02-19 | 甘瑞群 | Frequency-conversion heating air conditioner |
| WO2016001456A1 (en) * | 2014-07-04 | 2016-01-07 | Das Tech Solutions, S.L.U. | Device and method for product drying |
| CN104534838A (en) * | 2014-12-08 | 2015-04-22 | 浙江工商职业技术学院 | Double-faced fluffy towel drying machine |
| CN106152750A (en) * | 2015-04-23 | 2016-11-23 | 陈继武 | A kind of tunnel type high-temperature dehumidification air energy drying device |
| CN105157386A (en) * | 2015-06-21 | 2015-12-16 | 淄博大创自动化科技有限公司 | Dehydrating and drying all-in-one machine for bamboo bones of folding fan and dehydrating and flexible drying technology thereof |
| CN105202890A (en) * | 2015-10-27 | 2015-12-30 | 无锡太湖阳山水蜜桃科技有限公司 | Pollen grain dryer |
| CN107585368A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | Electromagnetic induction tunnel type thermal shrinking package machine |
| CN108120261A (en) * | 2016-11-28 | 2018-06-05 | 登封市宏远电热元件有限公司 | A kind of single channel double push plate continuous tunnel furnaces drying control device |
| CN107054777A (en) * | 2017-02-16 | 2017-08-18 | 金亚东 | A kind of high-temperature resistant belt conveyer thermal contraction floor packing machine |
| CN106904321A (en) * | 2017-05-07 | 2017-06-30 | 金亚东 | A kind of thermal shrinking package machine of electromagnetic induction heating metal tunnel |
| CN107529610A (en) * | 2017-08-29 | 2018-01-02 | 老梁（贵安新区）科技有限公司 | A kind of fired brick rapid draing roasting tunnel kiln system |
| CN110227620A (en) * | 2019-06-20 | 2019-09-13 | 深圳市研创精密设备有限公司 | A kind of mobile phone screening glass fingerprint oil spraying equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150928 Address after: 610021 Sichuan city of Chengdu province Yushuang Road No. 10 Patentee after: Mechanical Research Institute of China Test Technology Research Institute Address before: A Ring Road East three section Yushuang road 610021 Sichuan city of Chengdu province No. 10 Patentee before: Sichuan Zhongce Meter Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20190630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |