CN203007720U - Hot air generator for electromagnetically drying paper - Google Patents
Hot air generator for electromagnetically drying paper Download PDFInfo
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- CN203007720U CN203007720U CN 201220735665 CN201220735665U CN203007720U CN 203007720 U CN203007720 U CN 203007720U CN 201220735665 CN201220735665 CN 201220735665 CN 201220735665 U CN201220735665 U CN 201220735665U CN 203007720 U CN203007720 U CN 203007720U
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Abstract
The utility model relates to a hot air generator for electromagnetically drying paper. The hot air generator for electromagnetically drying the paper comprises an inner pipe, a heat insulating casing pipe, a heating layer, a coil layer, a heat insulation layer and a thermal insulation layer, wherein the inner pipe, the heat insulating casing pipe, the heating layer, the coil layer, the heat insulation layer and the thermal insulation layer are sequentially arranged from inside to outside. The heat insulation casing pipe is covered on the inner pipe and tightly adhered to the outer side wall of the inner pipe. The heating layer is composed of electromagnetic heating pipes. The electromagnetic heating pipes are axially and parallelly arranged along the heat insulation casing pipe and surrounds the heat insulation casing pipe by a circle. Walls of adjacent electromagnetic heating pipes are tightly contacted. The heating pipes enclose the cylinder-shaped heating layer outside the heat insulation casing pipe. Coils are wound on the outer surface of the heating layer. Two ends of the coils extend out of the coil layer and are externally connected with alternating current circuits. A heat insulation layer is covered on the coil layer. A heat preservation layer is covered on the heat insulation layer. The hot air generator for electromagnetically drying the paper is cylinder-shaped and one end of the inner pipe is connected with a fan. The hot air generator for electromagnetically drying the paper is high in heat efficiency, long in service life, low in cost, little in occupied area, high in safety and free of pollution to environment.
Description
Technical field
The utility model relates to a kind of paper electromagnetic drying heat blower, belongs to papermaking drying plant technical field.
Background technology
wet papermaking needs multiple working procedure, after mechanical dehydration, large quantity of moisture is still arranged in paper, these moisture must be removed by drying means, traditional drying means is to carry out drying by cylinder dried, cylinder dried is take steam as heat medium, the superheated steam that existing paper machine dryer generally adopts boiler to produce, superheated steam is passed in drying cylinder drying cylinder is heated, dry paper by the heat energy of drying cylinder again, needs according to technique, can adopt a drying cylinder or several drying cylinders to heat, the quantity of its drying cylinder depends primarily on the paper dry amount, cylinder dried needs special boiler and pressure piping, boiler is when producing superheated steam, discharge large quantity of exhaust gas when consuming coal or natural gas, waste residue, waste water, serious environment pollution, and capacity usage ratio is low, labor strength is large, production cost is high.On the other hand, along with the increase of paper dry amount, under the prerequisite that does not increase the drying cylinder diameter, must increase drying cylinder quantity and can satisfy dry demand, the increase of drying cylinder quantity causes infrastructure investment to strengthen, and the operation and maintenance cost of paper drying also increases accordingly.
the Chinese patent CN102041076A(patent No.: the device that 201010550007.2) discloses a kind of drying paper with segmented heating metal tapes, by the major diameter drying cylinder, METAL HEATING PROCESS belting and humid air are inhaled and are moved the case formation, the uniform METAL HEATING PROCESS belting that is equipped with on the major diameter drying cylinder outer rim cylinder below paper feed deflector roll and paper delivery deflector roll, this METAL HEATING PROCESS belting is by metal tape, guiding tensioning driven roller and the electromagnetic induction heater of metal tape inner support dress consist of, guiding tensioning driven roller wherein two be fitted on major diameter drying cylinder outer rim cylinder with the footpath, one of them driven roller is connected with motor, every strip metal band inside all is equipped with electromagnetic induction heater.But the present invention is overlying on the metal tape fragmented packets of page with electromagnetic induction heating on the major diameter drying cylinder with heating, dry page, reduced the thermal resistance between calandria and page surface, improved drying efficiency, can shorten the length of drying section, make simultaneously the poor minimum in dried page two sides, and dry contraction of paper is restricted, thereby the tensile strength of paper can be improved.But there is following shortcoming in this patent: complex structure, and manufacture difficulty is large, and cost is high, and is not suitable for paper hot blast impingement drying.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of paper electromagnetic drying heat blower, and this device is used for dry paper, and the thermal efficiency is high, long service life, and cost is low, and floor space is little, and is safe, environmentally safe.
The technical solution of the utility model is as follows:
paper electromagnetic drying heat blower, comprise the inner tube that sets gradually from inside to outside, insulation casing, zone of heating, coil layer, heat insulation layer and heat-insulation layer, described insulation casing is coated on outside inner tube and is close to the lateral wall of inner tube, described zone of heating is comprised of electromagnetic heating tube, described electromagnetic heating tube is along the setting of insulation casing axially parallel and around one week of insulation casing, the tube wall close contact of adjacent electromagnetic heating tube, described heating tube surrounds cylindric formation zone of heating outside insulation casing, be wound with coil at the zone of heating outer surface, outer and the external AC of coil layer road is extended at the two ends of described coil, be coated with heat insulation layer in coil layer, heat insulation layer is coated with heat-insulation layer, described paper electromagnetic drying is cylindric with heat blower integral body, an end in inner tube is connected with blower fan.Described zone of heating is that many electromagnetic heating tubes form, electromagnetic heating tube arranged around one week of inner tube, the tube wall close contact of adjacent electromagnetic heating tube, by coil is led to high-frequency alternating current, coil produces high-frequency alternating magnetic field, by the zone of heating of coil winding, the tube wall eddy generation of electromagnetic heating tube and heat production, transmit in the space that the heat that electromagnetic heating tube produces reaches in pipe outside pipe, electromagnetic heating tube not only plays heating functioin but also play thermolysis, electromagnetic heating tube has increased the heat transfer area of zone of heating, and heat is evenly distributed at zone of heating, prevents that local temperature is too high; Electromagnetic heating tube the space that has increased zone of heating is set, easier the transferring out of heat that electromagnetic heating tube is produced increased heat transfer efficiency.
The utility model is preferred, and the external diameter of inner tube is 10cm ~ 50cm, and the external diameter of electromagnetic heating tube is 1/10 ~ 1/50 of inner tube external diameter, and the pipe thickness of electromagnetic heating tube is 1 ~ 5mm.The advantage of this kind design: inner tube plays the support effect, electromagnetic heating tube is arranged a week along the inner tube periphery, the external diameter of electromagnetic heating tube is 1/10 ~ 1/50 of inner tube external diameter, the quantity of the electromagnetic heating tube of arranging outside inner tube is 10 to 36, arranging of electromagnetic heating tube increased the zone of heating area, this kind proportionate relationship make electromagnetic heating tube the periphery of inner tube arrange tightr, the thermal efficiency is the highest.
Described electromagnetic heating tube away from an end of blower fan outside zone of heating extends out to coil layer.Electromagnetic heating tube extends the outer part of coil layer and is used for connecting drying cover, and described drying cover is prior art.
Described inner tube one end opening, other end sealing, blower fan is arranged on the openend of inner tube.
The two ends of described inner tube are all sealed.
One end sealing of described inner tube, perhaps two ends are all sealed, when using this device, the heat that zone of heating produces all concentrates in zone of heating, because the electromagnetic heating tube of zone of heating is to have the gap between tubular structure and electromagnetic heating tube and insulation casing, coil layer, the heat that the blower fan of end produces zone of heating sees through the gap and concentrates and blow to the other end, prevents that blower fan from blowing the inner tube sky, the heat of zone of heating is better come out, improve the heat utilization rate.
The utility model is preferred, and the internal diameter of described electromagnetic heating tube is 9mm-99mm.
The utility model is preferred, and the thickness of the tube wall of described insulation casing is 1 ~ 5mm, and the thickness of described heat insulation layer is 0.1 ~ 1mm, and the thickness of described heat-insulation layer is 2mm ~ 10cm.The heat that the setting of described heat insulation layer and heat-insulation layer produces electromagnetic heating tube all concentrates in zone of heating, prevents that heat scatters and disappears with the periphery of heat blower to the paper electromagnetic drying.
Described blower fan is axial flow blower, and the air outlet of axial flow blower is facing to zone of heating, and the diameter of air outlet is more than or equal to the internal diameter of heat insulation layer.Axial flow blower dispels out so that the heat of zone of heating is concentrated over against zone of heating.Axial flow blower is prior art, and market can be buied.
The utility model is preferred, is coated with insulated paint on described inner tube lateral wall, and the thickness of insulated paint is 0.1 ~ 5mm.
Described jacket pipe box, heat insulation layer all adopt asbestos material to make.
Described heat-insulation layer adopts the inorganic high-temperature resistant heat-insulating material to make, and preferred, the inorganic high-temperature resistant heat-insulating material is asbestos or vermiculite.
The material of described electromagnetic heating tube is ferrimagnet, and preferred, ferrimagnet is permanent-magnet ferrite.
Described inner tube is refractory metal material, and preferred, high temperature resistant nonmetallic materials are corundum.
Blower fan of the present utility model is connected by flange with an end of inner tube.
Advantage of the present utility model is as follows:
1, the utility model is by leading to high-frequency alternating current to coil, coil produces high-frequency alternating magnetic field, by the zone of heating of coil winding, the tube wall eddy generation of electromagnetic heating tube and heat production, transmit in the space that the heat that electromagnetic heating tube produces reaches in pipe outside pipe, and electromagnetic heating tube not only plays heating functioin but also play thermolysis, and electromagnetic heating tube has increased the heat transfer area of zone of heating, heat evenly distributes at zone of heating, prevents that local temperature is too high; Electromagnetic heating tube the space that has increased zone of heating is set, easier the transferring out of heat that electromagnetic heating tube is produced increased heat transfer efficiency, improved the thermal efficiency.
2, zone of heating of the present utility model inside is provided with insulation casing, the outside is coated with heat insulation layer and heat-insulation layer, the heat that zone of heating is produced all concentrates in zone of heating, reducing heat scatters and disappears towards periphery, the heat that the blower fan of end produces zone of heating sees through the gap and blows to the concentrated other end, the heat of zone of heating is better come out, improve the heat utilization rate, thereby paper is better dried.
3, the zone of heating of this device adopts electromagnetic induction heating, has improved the service life of device.
4, the utility model separates heating tube and power line, and heat directly occurs by heating tube is inner, and itself does not generate heat power line, thereby uses safety, long service life, and the thermal efficiency is up to more than 95%.
5, the utility model raw material is easy to get, and cost is low, and floor space is little, and is safe, environmentally safe.
Description of drawings
Fig. 1 is the structural representation that the utility model paper electromagnetic drying is used heat blower;
Fig. 2 be Fig. 1 remove after blower fan left TV structure schematic diagram;
Fig. 3 is the structural representation of electromagnetic heating tube outside zone of heating extends out to coil layer;
In figure, 1, inner tube, 2, insulation casing, 3, electromagnetic heating tube, 4, coil, 5, heat insulation layer, 6, heat-insulation layer, 7, blower fan.
The specific embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in detail, but is not limited to this.
Jacket pipe box described in embodiment, heat insulation layer, heat-insulation layer all adopt asbestos to make, and described electromagnetic heating tube adopts permanent-magnet ferrite to make, and inner tube is corundum material.Asbestos described in embodiment, permanent-magnet ferrite, corundum are conventional commercially available prod.Wherein, asbestos, magnificent heat insulating refractory material difficult to understand company is on sale, corundum, Zichuan, the Zibo City imperial grinding materials and grinding tool of gold Co., Ltd is on sale.
Paper electromagnetic drying heat blower, structure as shown in Figure 1 and Figure 2, comprise the inner tube 1, insulation casing 2, zone of heating, coil layer, heat insulation layer 5 and the heat-insulation layer 6 that set gradually from inside to outside, be coated with insulated paint on the lateral wall of inner tube 1, the thickness 1mm of insulated paint.insulation casing 2 is coated on outside inner tube 1 and is close to the lateral wall of inner tube 1, zone of heating is by electromagnetic heating tube. forms, electromagnetic heating tube 3 is along insulation casing 2 axially parallel settings and around 2 one weeks of insulation casing, the tube wall close contact of adjacent electromagnetic heating tube 3, electromagnetic heating tube 3 surrounds cylindric formation zone of heating outside insulation casing 2, be wound with coil 4 at the zone of heating outer surface, outer and the external AC of coil layer road is extended at the two ends of coil 4, be coated with heat insulation layer 5 in coil layer, heat insulation layer 5 is coated with heat-insulation layer 6, the paper electromagnetic drying is cylindric with heat blower integral body, an end in inner tube 1 is connected with blower fan 7.Blower fan 7 is axial flow blower, and the air outlet of axial flow blower is facing to zone of heating, and the diameter of air outlet equals the internal diameter of heat insulation layer 5.
The external diameter of inner tube is 10cm, and the external diameter of electromagnetic heating tube is 1/10 of inner tube external diameter, and the pipe thickness of electromagnetic heating tube is 1mm.The two ends of described inner tube 1 are all sealed, and the internal diameter of described electromagnetic heating tube is 9mm.The thickness of the tube wall of insulation casing is 1mm, and the thickness of described heat insulation layer is 0.5mm, and the thickness of described heat-insulation layer is 1cm.
Paper electromagnetic drying heat blower as described in Example 1, its difference be,
The diameter of air outlet is greater than the internal diameter of heat insulation layer 5, and the external diameter of inner tube is 50cm, and the external diameter of electromagnetic heating tube is 1/50 of inner tube external diameter, and the pipe thickness of electromagnetic heating tube is 1mm.The two ends of described inner tube 1 are all sealed, and the internal diameter of described electromagnetic heating tube is 9mm.Described inner tube 1 one end openings, other end sealing, blower fan 7 is arranged on the openend of inner tube.Outside zone of heating extended out to coil layer, structure as shown in Figure 3 away from an end of blower fan 7 for electromagnetic heating tube 3.
The thickness of the tube wall of insulation casing is 2mm, and the thickness of described heat insulation layer is 1mm, and the thickness of described heat-insulation layer is 5cm.
Claims (8)
1. paper electromagnetic drying heat blower, comprise the inner tube that sets gradually from inside to outside, insulation casing, zone of heating, coil layer, heat insulation layer and heat-insulation layer, described insulation casing is coated on outside inner tube and is close to the lateral wall of inner tube, described zone of heating is comprised of electromagnetic heating tube, described electromagnetic heating tube is along the setting of insulation casing axially parallel and around one week of insulation casing, the tube wall close contact of adjacent electromagnetic heating tube, described heating tube surrounds cylindric formation zone of heating outside insulation casing, be wound with coil at the zone of heating outer surface, outer and the external AC of coil layer road is extended at the two ends of described coil, be coated with heat insulation layer in coil layer, heat insulation layer is coated with heat-insulation layer, described paper electromagnetic drying is cylindric with heat blower integral body, an end in inner tube is connected with blower fan.
2. paper electromagnetic drying heat blower according to claim 1, it is characterized in that, the length of described electromagnetic heating tube is identical with the length of inner tube, the external diameter of described inner tube is 10cm ~ 50cm, the external diameter of electromagnetic heating tube is 1/10 ~ 1/50 of inner tube external diameter, and the pipe thickness of electromagnetic heating tube is 1 ~ 5mm.
3. paper electromagnetic drying heat blower according to claim 2, is characterized in that, described electromagnetic heating tube away from an end of blower fan outside zone of heating extends out to coil layer.
4. paper electromagnetic drying heat blower according to claim 2, is characterized in that, described inner tube one end opening, and other end sealing, blower fan is arranged on the openend of inner tube.
5. paper electromagnetic drying heat blower according to claim 2, is characterized in that, the two ends of described inner tube are all sealed.
6. according to claim 1-5 arbitrary described paper electromagnetic drying heat blowers, is characterized in that, the thickness of the tube wall of described insulation casing is 1 ~ 5mm, and the thickness of described heat insulation layer is 0.1 ~ 1mm, and the thickness of described heat-insulation layer is 2mm ~ 10cm.
7. according to claim 1-5 arbitrary described paper electromagnetic drying heat blowers, is characterized in that, described blower fan is axial flow blower, and the air outlet of axial flow blower is facing to zone of heating, and the diameter of air outlet is more than or equal to the internal diameter of heat insulation layer.
8. paper electromagnetic drying heat blower according to claim 1, is characterized in that, is coated with insulated paint on described inner tube lateral wall, and the thickness of insulated paint is 0.1 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735665 CN203007720U (en) | 2012-12-27 | 2012-12-27 | Hot air generator for electromagnetically drying paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735665 CN203007720U (en) | 2012-12-27 | 2012-12-27 | Hot air generator for electromagnetically drying paper |
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| Publication Number | Publication Date |
|---|---|
| CN203007720U true CN203007720U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735665 Expired - Fee Related CN203007720U (en) | 2012-12-27 | 2012-12-27 | Hot air generator for electromagnetically drying paper |
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| Country | Link |
|---|---|
| CN (1) | CN203007720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103856A (en) * | 2012-12-27 | 2013-05-15 | 山东轻工业学院 | Heat blower for paper electromagnetism drying |
| CN103476161A (en) * | 2013-09-29 | 2013-12-25 | 大丰市远大金属科技有限公司 | Heating pipe |
-
2012
- 2012-12-27 CN CN 201220735665 patent/CN203007720U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103856A (en) * | 2012-12-27 | 2013-05-15 | 山东轻工业学院 | Heat blower for paper electromagnetism drying |
| CN103103856B (en) * | 2012-12-27 | 2015-09-23 | 齐鲁工业大学 | Paper electromagnetic drying heat blower |
| CN103476161A (en) * | 2013-09-29 | 2013-12-25 | 大丰市远大金属科技有限公司 | Heating pipe |
| CN103476161B (en) * | 2013-09-29 | 2015-07-08 | 大丰市远大金属科技有限公司 | Heating pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHANJIANG CHENMING PULP + PAPER CO., LTD. Free format text: FORMER OWNER: QILU UNIVERSITY OF TECHNOLOGY Effective date: 20141201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: QILU UNIVERSITY OF TECHNOLOGY Free format text: FORMER NAME: SHANDONG INSTITUTE OF LIGHT INDUSTRY |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250014 JINAN, SHANDONG PROVINCE TO: 524000 ZHANJIANG, GUANGDONG PROVINCE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 250014 No. 58 Jiefang East Road, Lixia District, Shandong, Ji'nan Patentee after: Qilu University of Technology Address before: 250014 No. 58 Jiefang East Road, Lixia District, Shandong, Ji'nan Patentee before: Shandong Institute of Light Industry |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141201 Address after: Sixth, 42 floor, Taihua Hotel, 524000 Renmin Avenue, Guangdong, Zhanjiang Patentee after: ZHANJIANG CHENMING PULP & PAPER Co.,Ltd. Address before: 250014 No. 58 Jiefang East Road, Lixia District, Shandong, Ji'nan Patentee before: Qilu University of Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |