CN2201644Y - Photoelectric tube heating furnace - Google Patents

Photoelectric tube heating furnace Download PDF

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Publication number
CN2201644Y
CN2201644Y CN 94224532 CN94224532U CN2201644Y CN 2201644 Y CN2201644 Y CN 2201644Y CN 94224532 CN94224532 CN 94224532 CN 94224532 U CN94224532 U CN 94224532U CN 2201644 Y CN2201644 Y CN 2201644Y
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CN
China
Prior art keywords
heater
reflector
furnace
photoelectric tube
flue
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Expired - Fee Related
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CN 94224532
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Chinese (zh)
Inventor
田继新
刘炳南
王熙君
张久庆
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LEIDI AISEN NEW TECHNOLOGY DEVELOPMENT Co BEIJING
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LEIDI AISEN NEW TECHNOLOGY DEVELOPMENT Co BEIJING
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Priority to CN 94224532 priority Critical patent/CN2201644Y/en
Application granted granted Critical
Publication of CN2201644Y publication Critical patent/CN2201644Y/en
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Abstract

The utility model relates to a photoelectric tube heating furnace. The infrared radiation is used as the heating source for heating objects in the utility model. The utility model is mainly composed of a plurality of single heaters, and the single heaters are composed of a quartz halogen tungsten lamp and reflecting bodies; the reflecting bodies are arranged behind the quartz halogen tungsten lamp; the single heaters are evenly distributed and installed on the periphery of a furnace core at the center of a furnace body. The inner concave reflection curved surface of each reflecting body can be a cylindroid surface, a parabolic cylinder surface or a cylindroid-parabolic combined surface; through the surface treatment and the surface processing, the inner concave reflection curved surfaces can furthest collect and reflect the infrared radiation of the tailor-made quartz halogen tungsten lamp to the heated objects on the furnace core. The device has the advantages of fast temperature rise, high temperature control precision, simple and nimble structural design and convenient operation and maintenance, and the utility model can realize the automatic temperature control; the thermal inertia in the furnace is low.

Description

Photoelectric tube heating furnace
The utility model relates to a kind of Electricthermal furnace, exactly, relates to a kind of electric energy that utilizes and produces the photoelectric tube heating furnace that the source of infrared radiation comes heated parts.
At present, China industrial and mining enterprises or scientific research institutions are the heating electric furnace of producing or scientific research is used, and the overwhelming majority is the resistance-type heating furnace, and the defective of the resistance furnace of this employing conduction (comprising convection current) mode of heating is a lot of, for example: the consumption of conduction-type heating energy source is big, and production efficiency is low; The empty stove heating-up time generally will must need 45 minutes at the soonest more than 1-2 hour.In addition, this resistance furnace thermal inertia is big, and low, the consuming time length of temperature-controlled precision is difficult to realize the automatic control of temperature and regulates.
The purpose of this utility model provides a kind of photoelectric tube heating furnace that utilizes infra-red radiation to come heating object as thermal source.
The utility model includes body of heater, flue, heater, it is characterized in that: body of heater by casing, reflector respectively be connected end plate and pin seat board and fuse with bolt and constitute, body of heater is divided into halves up and down, body of heater one middle side part is provided with and can makes first body of heater open 180 ° hinged seat hole and bearing pin, opposite side body of heater on the other side is provided with snap close, lower furnace body is closed close tightly; Be located at and uniform around the flue of body of heater central authorities a plurality of monomer heaters that are made of as the reflector of heating source and rear side thereof high-purity quartz halogen tungsten fluorescent tube be installed.Put around the spatial form that flue is installed in body of heater according to the monomer heater, can be divided into: the tube furnace that heater is parallel with flue, be cylindric arranged radially, the batch-type furnace that the rectangular body of heater is arranged and each heater radial equipartition vertical with flue, the vertical shaft furnace of staggered overlapping arrangement with heater.It is 99.9% fine aluminium or to contain aluminium be 98.3% aluminium alloy or steel that reflector material in the heater can be selected content for use.The internal reflection curved surface shape of cross section of reflector can be oval, parabola shaped or oval, parabola complex.Can produce the focal axis place that photoelectric tube in the heater of red place beta radiation should be installed in the internal reflection curved surface of reflector: i.e. the focal axis of parabolic cylinder, elliptic cylinder or both major axis focal axis of cylindroid parabolic post compound curved surface.The process of surface treatment of the internal reflection curved surface of reflector can adopt electrobrightening to add anodic oxidation or chromium plating or silver-plated or gold-plated.Reflector in heater part in addition can adopt monoblock cast formula structure, the Welding Structure that also can adopt extrudate and casting to hold sealing.All leave cavity in reflector in each heater and the flue bearing, constitute a cooling water circulating device by water inlet pipe, connection water pipe, interpolation type quick coupling and the outlet pipe of on its end envelope or sidewall, installing.The glass-tube two ends of quartz tungsten halogen lamp pipe are provided with not light-emitting zone, and tungsten filament one direction in this zone directly is connected with the molybdenum sheet spot welding of encapsulation, links to each other with the molybdenum rod of being drawn by above-mentioned molybdenum sheet by spot welding again on the other hand; The molybdenum sheet of encapsulation then twines spot welding by molybdenum rod, nickel sheet and the external high temperature resistant wire that has silicone rubber jacket and is connected.The not light-emitting zone at quartz tungsten halogen lamp pipe two ends is held in place in the indent semicircle of pin bearing in the reflector outside, and card is pressed with the pin cutting ferrule in the above, makes the two ends sealing-in part of this fluorescent tube all be seated in the outside of reflector.
Infra-red radiation is an infrared ray, claims heat radiation again, in fact is exactly the electromagnetic radiation of wavelength about 0.75 micron to 1000 microns (between ruddiness and microwave), has significant fuel factor and stronger penetration capacity.Utilize and to come heating object by infrared quartz tungsten halogen lamp, significantly energy savings.The utility model is that the energy comes the principle of heating object to be developed into regard to being based on the infra-red radiation.The utility model is total emissivity and all very strong artificial infrared source of open score radiance that adopts through architecture advances---the high-purity quartz halogen tungsten lamp (is simply referred to as: photoelectric tube) as thermal source, be aided with and have different internal reflection curved surfaces, can be assembled the reflector that converges to the heating object surface to the infrared ray that the source of infrared radiation produced and succeed in developing as two core components of heater.Characteristics of the present utility model are: thermal radiation capability is strong, can be in very short time, and the high density infrared ray luminous energy that photoelectric tube is produced accumulates in the workpiece that is heated that is positioned on the flue, and workpiece is heated rapidly.Make that promptly the interior programming rate of stove is very fast, can in 3-4 minute, reach the rated temperature of setting usually.And thermal inertia is low in the stove, realizes temperature automatically controlled easily and reaches higher temperature-controlled precision, generally can be with Control for Kiln Temperature in ± 1 ℃.This device provides the safeguard of heating technique means and equipment for guaranteeing the quality of heated parts.In addition, the utility model frame for movement is simple, and volume is small and exquisite, and is in light weight, and working environment is clean and tidy; Operation, maintenance are also very convenient, and it is simple and convenient to change photoelectric tube, helps carrying out production strictly in line with rules and regulations.In a word, the utility model is an application of advanced infrared radiation heating mode, quite the Electricthermal furnace of the novel structure of application prospect is arranged.
Fig. 1 is a kind of embodiment of the present utility model---the structural representation of tube furnace, and wherein Figure 1A is that the master looks cutaway view, and Figure 1B is a side view.
Fig. 2 is another kind of embodiment of the present utility model---the structural representation of batch-type furnace.
Fig. 3 is another enforcement figure of the present utility model---the structural representation of shaft furnace, and wherein Fig. 3 A is that the master looks cutaway view, and Fig. 3 B is a vertical view.
Fig. 4 is monomer heater and photoelectric tube structural representation.
Fig. 5 is the cross section of the various different internal reflection curved surfaces of reflector and the schematic diagram of photoelectric tube installation site thereof, and wherein Fig. 5 A is an elliptic cylinder shape, and Fig. 5 B is a parabola cylinder shape, and Fig. 5 C is oval, the compound cylinder shape of parabola.
Fig. 6 is flue supporting and the syndeton of pin bearing, pin seat board and the structural representation of the interior feeding of flue bearing cooling water.
Fig. 7 is a reflector part end seal structure schematic diagram in addition.Wherein Fig. 7 A is the monoblock cast formula, and Fig. 7 B is a welded type.
Consult Fig. 1, Fig. 2, Fig. 3, the spatial form position that the utility model is installed around flue 19 in body of heater according to the monomer heater 30 that is made of as the reflector 2 of infrared radiation heating source and rear side thereof high-purity quartz halogen tungsten fluorescent tube 10, can be divided into tube furnace (Fig. 1), batch-type furnace (Fig. 2) and shaft furnace (Fig. 3).Wherein the heater photoelectric tube 10 in the tube furnace and flue 19 parallel, be cylindric radially evenly distributed installation.Batch-type furnace then is that the rectangular body of its heater is arranged installation, and shown in Figure 2 is a batch-type furnace schematic diagram that is made of around cuboid flue 19 14 monomer heaters 30.Photoelectric tube 10 is all vertical with flue 19 in the shaft furnace each layer each heater of installing, and the radial equipartition arrangement, and vertically each layer is staggered overlapping installation.Shown in Fig. 3 A is exactly the half sectional view that is overlapping and is installed by multilayer heater 30, and Fig. 3 B is clear to show that every layer is equipped with four monomer heaters 30 in this body of heater, and the heater of adjacent two layers is 45 ° of staggered overlapping arrangements and installs.
Introduce architectural feature of the present utility model below in conjunction with tube furnace embodiment shown in Figure 1.
Referring to Fig. 1, Fig. 4, Fig. 6, the utility model mainly is made of body of heater, flue 19 and heater 30.Wherein body of heater by casing 1, reflector 2 respectively be connected end plate 5 and pin seat board 6 and be integral by bolt 3 equijoins and constitute, wherein casing 1 again by screw be connected end plate 5 and link to each other solid (not showing on the figure), whole body of heater is divided into halves (referring to Figure 1B) up and down, be provided with hinged seat hole and bearing pin 25 at body of heater one middle side part, can this hinging pin shaft be that rotating shaft makes upper furnace body open 180 °, so that place heated parts and carry out other operations.Then be provided with snap close 20 at body of heater opposite side on the other side, lower furnace body closed close tightly.Around being located at the flue 19 of body of heater central authorities a plurality of monomer heaters 30 are installed, 30 of each monomer heaters are that the quartz tungsten halogen lamp by 2~3 grades of quartz glass tubes that adopt purity>99.95% is constituted as the photoelectric tube 10 of the source of infrared radiation and the reflector 2 of rear side thereof.Be provided with four rubber footing 21 in the bottom of lower furnace body, external power supply is then introduced in the stove by 4 binding posts 22 of sidewall of the furnace body.
The photoelectric tube that the utility model adopted---quartz tungsten halogen lamp 10 is special, referring to Fig. 4, all is provided with not light-emitting zone 101 at its glass-tube two ends, and in this zone, tungsten filament 102 directly is connected with molybdenum sheet 104 spot welding of encapsulation on the one hand.Link to each other with molybdenum rod 103 spot welding that this molybdenum sheet 104 is drawn again on the other hand.Molybdenum rod 103 by drawing laterally of 104 of the molybdenum sheets of encapsulation, nickel sheet 105 twine spot welding with the external power lead that has the high-temperature-resisting silicon rubber sheath 106 and connect.
During installation, the zone 101 of not giving out light at photoelectric tube 10 two ends should be held in place in the indent semicircle of pin bearing 11 reflector 2 outsides, that make with heat resisting ceramic materials, above fluorescent tube, block pressure pipe pin cutting ferrule 9 again, make the packed part of photoelectric tube 10 be positioned at the outside of reflector 2,11 of pin bearings are loaded into one by bolt and pin seat board 6.106 of the two ends power lines of photoelectric tube 10 are connected to and are fixed on the binding post 14 that connects on the end plate 5 or the inboard of binding post 22.
Flue bearing 15 is to make with heat-resisting heat-barrier material, is fastened on (referring to Fig. 6) on the pin seat board 6 by bolt 12, nut 13.Flue 19 lies in a horizontal plane in the shrinkage pool of flue bearing 15 by inner protective tube 17, outer pillar 18.Thermocouple seat and fire door 16 are inserted in the endoporus of inner protective tube 17, can insert temperature and temperature rise rate that thermocouple thermometer is monitored flue 19 thus.
Too high in order to prevent reflector 2 and 15 temperature rises of flue bearing, the utility model all is provided with cavity for 15 li at the reflector 2 and the flue bearing of heater, water inlet pipe 23 by on the sidewall of the end of reflector 2 envelope or flue bearing 15, installing, connect water pipe 8, interpolation type quick coupling 7 constitutes a cooling water recirculation system device with outlet pipe 24 and cools off body of heater, can prolong the service life of reflector 2 and flue bearing 15.
As the utility model critical component---one of parts of heater 30: the material of reflector 2 is formed, the production technology of the geometry of inner sunken face and process of surface treatment and end envelope all has different requirements.It is 99.99% fine aluminium that its material can be selected content for use.Or to contain aluminium be that 98.3% aluminium alloy or steel are made.The cross-sectional geometry of the indent reflecting curved surface of reflector 2 can be oval (referring to Fig. 5 A) or parabola shaped (referring to Fig. 5 B) or oval, parabola complex (referring to Fig. 5 C).Photoelectric tube 10 then all should be placed in the focal axis place of various internal reflection curved surfaces: i.e. the focal axis place of parabolic cylinder, or both confocal major axis focal axis places of the major axis focal axis place of elliptic cylinder and cylindroid, parabolic post compound curved surface, the process of surface treatment of this reflecting curved surface can adopt electrobrightening to add anodic oxidation or chromium plating or silver-plated or gold-plated, so that can maximal efficiency the infrared energy that produced of ground reflection and gathered light fulgurite 10, workpiece is heated fast to rated temperature.Referring to Fig. 7, reflector 2 is because the contiguous source of infrared radiation of its internal reflection curved surface, and this infra-red radiation will be compiled and reflect away, and so temperature rise is very high, cavity is left in its inside of part designing requirement in addition, and confession cooling water circulation is to reduce its temperature rise.For this reason, reflector 2 can adopt and hold envelope 201 is monoblock cast formula (referring to Fig. 7 A), also can adopt (referring to Fig. 7 B) of casting end envelope 202 and extrudate 203 welded types.
The utility model has been tested enforcement, produces tubular type photoelectric tube radiation heating stove and accessory.The monomer heater that 6 on the iodine-tungsten lamp of employing 1000W or 2000W is made is centered around around the flue that external diameter is 40 millimeters of φ 30-φ, only need energising just can realize that temperature reached 1000 ℃-1300 ℃ high temperature in 3-4 minute from empty stove, and temperature-controlled precision is in ± 1 ℃, realize goal of the invention and designing requirement, had good application prospects.

Claims (10)

1, a kind of photoelectric tube heating furnace, include body of heater, flue, heater, it is characterized in that: body of heater by casing, reflector respectively be connected end plate and pin seat board and fuse with bolt and constitute, body of heater is divided into halves up and down, body of heater one middle side part is provided with and can makes first body of heater open 180 ° hinged seat hole and bearing pin, opposite side body of heater on the other side is provided with snap close, lower furnace body is closed close tightly; Be located at and uniform around the flue of body of heater central authorities a plurality of monomer heaters that are made of as the reflector of heating source and rear side thereof high-purity quartz halogen tungsten fluorescent tube be installed.
2, photoelectric tube heating furnace as claimed in claim 1, it is characterized in that: put around the spatial form that flue is installed in body of heater according to the monomer heater, can be divided into: the batch-type furnace that the rectangular body of heater tube furnace, heater parallel with flue, that be cylindric arranged radially is arranged and each heater radial equipartition vertical with flue, the vertical shaft furnace of staggered overlapping arrangement with heater.
3, photoelectric tube heating furnace as claimed in claim 1 is characterized in that: it is 99.9% fine aluminium or to contain aluminium be 98.3% aluminium alloy or steel that the reflector material in the heater can be selected content for use.
4, photoelectric tube heating furnace as claimed in claim 1 is characterized in that: the internal reflection curved surface shape of cross section of reflector can be oval parabola shaped or oval, parabola complex.
5, as claim 1 or 4 described photoelectric tube heating furnaces, it is characterized in that: the photoelectric tube in the heater should be installed in the focal axis place of the internal reflection curved surface of reflector: i.e. the major axis focal axis of the focal axis of parabolic cylinder, elliptic cylinder or both confocal major axis focal axis of cylindroid parabolic post compound curved surface.
6, as claim 1 or 4 described photoelectric tube heating furnaces, it is characterized in that: the process of surface treatment of the internal reflection curved surface of reflector, can adopt electrobrightening to add anodic oxidation or chromium plating or silver-plated or gold-plated.
7, as claim 1 or 3 described photoelectric tube heating furnaces, it is characterized in that: the reflector in heater part in addition can adopt monoblock cast formula structure, the Welding Structure that also can adopt extrudate and casting to hold sealing.
8, photoelectric tube heating furnace as claimed in claim 1, it is characterized in that: all leave cavity in reflector in each heater and the flue bearing, constitute a cooling water circulating device by water inlet pipe, connection water pipe, interpolation type quick coupling and the outlet pipe of on its end envelope or sidewall, installing.
9, photoelectric tube heating furnace as claimed in claim 1, it is characterized in that: the glass-tube two ends of quartz tungsten halogen lamp pipe are provided with not light-emitting zone, tungsten filament one direction in this zone directly is connected with the molybdenum sheet spot welding of encapsulation, links to each other with the molybdenum rod of being drawn by above-mentioned molybdenum sheet by spot welding again on the other hand; The molybdenum sheet of encapsulation then twines spot welding by molybdenum rod, nickel sheet and the external high temperature resistant wire that has silicone rubber jacket and connects.
10, as claim 1 or 9 described photoelectric tube heating furnaces, it is characterized in that: the not light-emitting zone at quartz tungsten halogen lamp pipe two ends is held in place in the indent semicircle of the pin bearing outside the reflector, and card is pressed with the pin cutting ferrule in the above, makes the two ends sealing-ins part of this fluorescent tube all be seated in the outside of reflector.
CN 94224532 1994-07-30 1994-07-30 Photoelectric tube heating furnace Expired - Fee Related CN2201644Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94224532 CN2201644Y (en) 1994-07-30 1994-07-30 Photoelectric tube heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94224532 CN2201644Y (en) 1994-07-30 1994-07-30 Photoelectric tube heating furnace

Publications (1)

Publication Number Publication Date
CN2201644Y true CN2201644Y (en) 1995-06-21

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CN 94224532 Expired - Fee Related CN2201644Y (en) 1994-07-30 1994-07-30 Photoelectric tube heating furnace

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CN (1) CN2201644Y (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1325898C (en) * 2005-05-25 2007-07-11 哈尔滨工业大学 Photoelectric heating arrangement using quartz lamp array
CN104071973A (en) * 2014-07-24 2014-10-01 苏州罗卡节能科技有限公司 Glass tempering furnace
CN104101209A (en) * 2014-07-24 2014-10-15 长兴罗卡科技有限公司 Energy-saving tunnel kiln
CN104101213A (en) * 2014-07-24 2014-10-15 苏州罗卡节能科技有限公司 Energy-saving heating furnace
CN104101206A (en) * 2014-08-11 2014-10-15 苏州罗卡节能科技有限公司 Box-type muffle furnace
CN104142060A (en) * 2014-07-24 2014-11-12 长兴罗卡科技有限公司 Metallurgy heating furnace
CN104359748A (en) * 2014-11-10 2015-02-18 河海大学 Small sample heating device
CN104763382A (en) * 2015-03-26 2015-07-08 成都来宝石油设备有限公司 Methane hydrate gathering pipe
CN104806208A (en) * 2015-03-26 2015-07-29 成都来宝石油设备有限公司 Methane hydrate collecting device for shallow stratum
CN106935531A (en) * 2015-12-31 2017-07-07 无锡华润华晶微电子有限公司 A kind of method of Equipment for Heating Processing and its treatment wafer
CN107218799A (en) * 2017-07-31 2017-09-29 绵阳力洋英伦科技有限公司 A kind of reflective devices unit and spliced heater and its heater system
CN111534668A (en) * 2020-06-28 2020-08-14 郭锦端 Automatic rapid annealing furnace

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1325898C (en) * 2005-05-25 2007-07-11 哈尔滨工业大学 Photoelectric heating arrangement using quartz lamp array
CN104071973B (en) * 2014-07-24 2015-11-18 苏州罗卡节能科技有限公司 A kind of toughened glass furnace
CN104101209A (en) * 2014-07-24 2014-10-15 长兴罗卡科技有限公司 Energy-saving tunnel kiln
CN104101213A (en) * 2014-07-24 2014-10-15 苏州罗卡节能科技有限公司 Energy-saving heating furnace
CN104142060A (en) * 2014-07-24 2014-11-12 长兴罗卡科技有限公司 Metallurgy heating furnace
CN104071973A (en) * 2014-07-24 2014-10-01 苏州罗卡节能科技有限公司 Glass tempering furnace
CN104101206A (en) * 2014-08-11 2014-10-15 苏州罗卡节能科技有限公司 Box-type muffle furnace
CN104359748A (en) * 2014-11-10 2015-02-18 河海大学 Small sample heating device
CN104763382A (en) * 2015-03-26 2015-07-08 成都来宝石油设备有限公司 Methane hydrate gathering pipe
CN104806208A (en) * 2015-03-26 2015-07-29 成都来宝石油设备有限公司 Methane hydrate collecting device for shallow stratum
CN106935531A (en) * 2015-12-31 2017-07-07 无锡华润华晶微电子有限公司 A kind of method of Equipment for Heating Processing and its treatment wafer
CN107218799A (en) * 2017-07-31 2017-09-29 绵阳力洋英伦科技有限公司 A kind of reflective devices unit and spliced heater and its heater system
CN111534668A (en) * 2020-06-28 2020-08-14 郭锦端 Automatic rapid annealing furnace

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Addressee: Leidi Aisen New Technology Development Co., Beijing

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