CN2286853Y - Light-radiation electric oven - Google Patents
Light-radiation electric oven Download PDFInfo
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- CN2286853Y CN2286853Y CN 96218271 CN96218271U CN2286853Y CN 2286853 Y CN2286853 Y CN 2286853Y CN 96218271 CN96218271 CN 96218271 CN 96218271 U CN96218271 U CN 96218271U CN 2286853 Y CN2286853 Y CN 2286853Y
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- reflector
- light radiation
- electric furnace
- water
- light
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Abstract
The utility model relates to an optical radiation electric oven which is composed of an optical radiation heater, a workbench, a cooling water circulation system and a control cabinet. The utility model is characterized in that the optical radiation heater is used as the heat source of the electric oven, the heater is composed of a light source tube and a reflector, a special tungsten halogen lamp 2 is used as the light source tube, and the light source tube is fixed on one end plate 7 of the reflector by a tube holder 3 and screws 5; the reflector 1 of which the section is a parabolic mirror surface is used as the reflector, a cavity 8 and a water nozzle 6 are arranged in the reflector, and both ends of the reflector are closed by the end plate 7.
Description
The utility model relates to a kind of light radiation electric furnace, particularly a kind of metal smelt, purification and industrial heat treated firing equipment.
Smelting, the purification (as gold metallurgy) of some precious metals at present, use the coke-fired furnace of original backwardness, its shortcoming is still morely: this kind stove can't be by the requirement of metallurgical technology, the control variation of temperature, cause inconvenience to gold metallurgy work, and caused serious pollution to surrounding environment when smelting, Xian Jin resistance furnace comparatively, silicon carbon rod stove, it is big that intermediate frequency furnaces etc. also exist power consumption, temperature control is dumb, body of heater heaviness, drawback such as fragile.Not fully up to expectations, present for another example industrial heat treatment industry, the general resistance furnace of Cai Yonging, because its thermal inertia is big, heating and cooling are slow, power consumption is big, have the title of " industrial electro tiger ".
The purpose of this utility model is that a kind of effectively energy-conservation, temperature control is accurate, automaticity is high, structure is light and handy light radiation electric furnace will be provided, it can be according to metallurgy or process of thermal treatment requirement, automatic temperature-control and warm-up time, and can not pollute surrounding environment.
The purpose of this utility model is achieved in that a kind of light radiation electric furnace; by the light radiation heater; the furnace chamber working portion; cooling water recirculation system and switch board are formed; the core thermal source that described light radiation heater is this electric furnace; it is characterized in that: it is a reflector that the cross section is a parabolic surface; there is a cavity 8 its inside; there are two water to chew 6 on the reflector; two ends are sealed with reflector end plate 7; halogen tungsten lamp 2 is fastening by end plate 7 usefulness screws 5; its filament is on the focal position of parabolic surface of reflector 1; the high light that fluorescent tube sends during work reflexes to specific place for a branch of directional light through the reflector minute surface is poly-; circulating water flow chews 6 and the operate as normal of 8 cooling effects of reflector cavity protection reflectors 1 and minute surface 1A through water, and n (n＞1) such light radiation heater assembled the main body that has just constituted the light radiation electric furnace by certain structure.
N (n＞1) light radiation heater accumulates in luminous energy in the furnace chamber 23; form a high energy field, heating object here is heated, and is not subjected to the erosion of flue dust for protecting reflector 1 and reflector minute surface; one flue is arranged in the furnace chamber, and its material is quartz glass or heat resisting steel.
Described cooling water recirculation system is chewed a circulating cooling system of forming by water tank, immersible pump, water pipe, water, and its task is that reflector is played cooling effect when working.
The individual light radiation heater of n (n＞1) is pressed arbitrary shape and is arranged.
This electric furnace is a principle of utilizing the light radiation heat supply, change electric energy into luminous energy by light source tube, again through special reflector, gather a specific place with luminous energy is directed to high-density, luminous energy by such several reflectors gather together has formed a high energy field, needs the object of heating to absorb luminous energy in this high energy field, be converted into heat energy, thereby finished heated process.This light radiation electric furnace mainly consists of the following components: 1. thermal source part.2. working portion; 3. control section; compositions such as 4 cooling systems; it is characterized in that; described thermal source partly is made up of light source tube and reflector; described light source tube is a special quartz tungsten halogen lamp; be installed on the reflector end plate by tube face and screw; the longitudinal centre line of this fluorescent tube (being filament) should be located on the focal position of what reflector parabolic surface, and described reflector is that a kind of cross section is the workpiece of parabolic surface, and this curvilinear plane is a minute surface that fineness is high; in order to reflect luminous energy to high-density; there is a cavity this reflector inside, two water of using of turnover cooling waters is housed on the reflector chews, during reflector work; cooling water passes through cavity; protection reflector minute surface gets up n (n＞1) such reflector not by high-temperature damage by certain textural association, just constituted the thermal source part of this utility model.
Described working portion is made up of flue and boom truck in the high energy field that is seated in the thermal source part, flue is a quartz glass cover, it can allow light waltz through, accumulate in the furnace chamber, heating object is placed on the workbench four, easily heating object is sent or taken out to the furnace chamber of high temperature.
Described control section is mainly born following several work, the one, the temperature in the control furnace chamber, the 2nd, the time of control heating process, the 3rd, the circulation of control cooling water is supplied with, switch board promptly is the control centre of this stove, 12 couples of one of ordinary skill in the art of switch board are conspicuous, belong to prior art.
The supply voltage of adjusting light source tube can change the power output of light source tube, thereby realize the adjustment of temperature, the main bidirectional triode thyristor that adopts of this temperature control part, solid-state voltage regulator, utilize the mean value of the angle of flow change alternating voltage in sine wave period of phase-shift pulse control, this switch board adopts the 3MCS51 series monolithic, serves as the control core with 8031 monolithics, dispose necessary hardware system and peripheral I/O interface circuit, ensured finishing of above-mentioned task.Here said temperature control part is conspicuous to one of ordinary skill in the art, belongs to prior art.
Described cooling system is by water tank, immersible pump, and water pipe is formed, and water tank is placed in the workbench, and the immersible pump that is seated in the water tank is delivered to cooling water in the cavity of reflector by water pipe, in order to the safety of protection reflector minute surface.
The utility model has adopted the light radiation heater by what, thermal source as heating furnace, described light radiation heater has very strong orientation to assemble the effect of luminous energy, just have produce in the furnace chamber of high density illumination the high temperature furnace chamber be subjected to outward then can occurrence temperature less than the position of illumination variation, so the effective energy of this stove has obtained utilizing to greatest extent, because the reflector minute surface made of fine aluminium is to reflection of light rate very Gao Keda more than 94%, so the loss of energy is very little, the energy-conservation reason of this stove that Here it is, the practice of living contrasts, and it is than resistance furnace energy-conservation 10%～40%.
The luminous power of described light source tube is that the height by voltage decides, the luminous reaction to voltage of fluorescent tube is very sensitive, this electric furnace temperature adjustment of decision that Here it is is key factor flexibly, light radiation electric furnace by experiment, the fastest programming rate of empty stove, by room temperature to 1300 ℃ only with 2 minutes, and the transformation of finishing any thermograde only just can realize with 3 minutes, so be to import a stable voltage by the voltage decision just can obtain a stable temperature by what lamp luminescence intensity again, adopt computer autocontrol technique, temperature-controlled precision can reach ± the one thousandth degree, the speed of heating and cooling also can be provided with arbitrarily and adjust, and these advantages are that the traditional resistor stove is difficult to realize.
Because the directed radiation of this stove luminous energy and the protection of cooling water; the temperature of furnace shell can not be higher than room temperature; improved operating personnel's condition of work largely; more because the furnace wall does not need to take the insulation measure but to fall one deck refractory brick very thick in traditional electric furnace etc.; not only alleviated the weight of electric furnace significantly; also dwindled the volume of equal electric furnace largely, the pollution that when more not having equipment such as combustion of coke or fuel oil to work surrounding environment is caused.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing:
Fig. 1 is the schematic diagram of a reflector in the utility model light radiation electric furnace;
Among Fig. 1: 1. reflector, the 1A. mirror surface, 2. halogen tungsten lamp, 3. tube face, 4. fluorescent tube wiring, 5. screw, 6. water is chewed, 7. reflector end plate, 8. reflector cavity.
Fig. 2 is a light radiation electric furnace front section view of being made up of eight reflectors of the present utility model; 9. workbench wherein, 10. water tank, 11. immersible pumps, 12. switch boards, 13. lockers, 14. chassis, 15. chassis wheel, reflector on 16., 17. water pipes, 18. outer covers, 19. installing plates, 20. end shield plates, 21. back-up block, 24. thermocouples, 1. reflector, 2. halogen tungsten lamp, 4. fluorescent tube wiring, 6. water is chewed.
Fig. 3 is the side sectional view of the utility model light radiation electric furnace; 1. reflectors wherein, 6. water is chewed, 9. workbench, 12. switch boards, 14. chassis, 15. chassis wheel, reflector on 16., 17. water pipes, 18, outer cover, 19. installing plates, 21. back-up blocks, 22. flues, 23. furnace chambers, 24. thermocouples.
Fig. 4 is with electric furnace smelting shown in Figure 2 prime time, temperature profile.
Fig. 5 is time, the temperature profile when with electric furnace shown in Figure 2 45# steel test specimen being done modifier treatment.
Describe details and working condition in detail below in conjunction with accompanying drawing according to the concrete device that the utility model proposes:
Referring to Fig. 1; the thermal source part of this electric furnace mainly is made up of reflector 1 and halogen tungsten lamp 2; the working portion of reflector is the mirror surface 1A of a parabolic surface; by water chew 6 and reflector cavity 8 formed the path of cooling water; the two ends of halogen tungsten lamp 2 are installed on the reflector end plate 7 by tube face 3; end plate 7 is installed together with reflector 1 usefulness screw 5; adjusting the position of tube face 3 uses the longitudinal centre line of halogen tungsten lamp 2 just in time on the burnt position of reflector 1 parabolic surface; the high light that halogen tungsten lamp 2 sends during work radiates away for a branch of directional light through the gathering of reflector parabolic surface; in order to protect the operate as normal of reflector 1 and mirror surface 1A, recirculated cooling water by water chew 6 and the reflector cavity play the cooling protection effect.
The light radiation electric furnace that Fig. 2 and Fig. 3 promptly are made up of eight light radiation reflective devices, effective length of illumination of halogen tungsten lamp 2 is 500mm, every power is 2kw, 220v, the electric furnace operating room is a furnace chamber: the dark high 180mm of the wide 200mm of 500mm, specified general power is 16kw, 1250 ℃ of rated temperatures, the fastest programming rate of empty stove (room temperature-1250 ℃) 2 minutes, the slowest programming rate is designed to 10 ℃ of per minutes, and this stove can be smelted gold with what, precious metals such as silver, the heat treatment of also available what miniature workpiece, the structure of this electric furnace is as follows:
Eight reflectors are installed on the installing plate 19 with screw, form an arched hollow space 23, level up by back-up block 21 between the reflector of both sides and the workbench 9, heating object is placed on the chassis 14 can pass in and out furnace chamber easily, water tank 10 is placed on the lower left quarter of workbench 9, there is a SL-6000 immersible pump 11 the inside, by water pipe 17 to each reflector circulation-supplied cooling water, last reflector 16 is cavity body, three holes are arranged above, interstitial hole is a heat release galvanic couple 24 in order to temperature in the monitoring stove, two lateral opening be venthole, the boil-off gas during gold metallurgy from then on hole is emerged.In order to protect reflector and minute surface, in the furnace chamber flue 22 its materials being installed is quartz glass, the upper right side device switch board 12 of workbench 9, and the lower right is a locker.
Fig. 4 is the time when smelting gold with this stove, temperature profile, during gold metallurgy with 8
#2 of crucibles, each puts gold sand 1000 grams, and the used time is 120 minutes, electricity consumption 11.87kw/h.
Figure five is the time when with this stove 45# steel test specimen being done modifier treatment, and temperature profile, used test specimen are Φ 120mm, the long 160mm of wall thickness 10mm, 45
#Manage 2, the mechanical performance that obtains meets the demands fully.
Claims (4)
1. light radiation electric furnace; by the light radiation heater; the furnace chamber working portion; cooling water recirculation system and switch board are formed; the core thermal source that described light radiation heater is this electric furnace; it is characterized in that: it is a reflector that the cross section is a parabolic surface; there is a cavity 8 its inside; there are two water to chew 6 on the reflector; two ends are sealed with reflector end plate 7; halogen tungsten lamp 2 is fastening by end plate 7 usefulness screws 5; its filament is on the focal position of parabolic surface of reflector 1; the high light that fluorescent tube sends during work reflexes to specific place for a branch of directional light through the reflector minute surface is poly-; circulating water flow chews 6 and the operate as normal of 8 cooling effects of reflector cavity protection reflectors 1 and minute surface 1A through water, and n (n＞1) such light radiation heater assembled the main body that has just constituted the light radiation electric furnace by certain structure.
2. electric furnace according to claim 1; it is characterized in that: n (n＞1) light radiation heater accumulates in luminous energy in the furnace chamber 23; form a high energy field; heating object here is heated; for protecting reflector 1 and reflector minute surface not to be subjected to the erosion of flue dust; one flue is arranged in the furnace chamber, and its material is quartz glass or heat resisting steel.
3. light radiation electric furnace according to claim 1 is characterized in that: described cooling water recirculation system is chewed a circulating cooling system of forming by water tank, immersible pump, water pipe, water, and its task is that reflector is played cooling effect when working.
4. light radiation electric furnace according to claim 1 is characterized in that: the individual light radiation heater of n (n＞1) is pressed arbitrary shape and is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96218271 CN2286853Y (en) | 1996-08-27 | 1996-08-27 | Light-radiation electric oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96218271 CN2286853Y (en) | 1996-08-27 | 1996-08-27 | Light-radiation electric oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2286853Y true CN2286853Y (en) | 1998-07-29 |
Family
ID=33899165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96218271 Expired - Fee Related CN2286853Y (en) | 1996-08-27 | 1996-08-27 | Light-radiation electric oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2286853Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132121A (en) * | 2008-08-20 | 2011-07-20 | 爱德福思创新技术有限责任公司 | Plant for thermal processing processes |
-
1996
- 1996-08-27 CN CN 96218271 patent/CN2286853Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132121A (en) * | 2008-08-20 | 2011-07-20 | 爱德福思创新技术有限责任公司 | Plant for thermal processing processes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |