CN201660549U - Special electric tunnel kiln for casting crystal glass plates and utensils - Google Patents
Special electric tunnel kiln for casting crystal glass plates and utensils Download PDFInfo
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- CN201660549U CN201660549U CN2010201255221U CN201020125522U CN201660549U CN 201660549 U CN201660549 U CN 201660549U CN 2010201255221 U CN2010201255221 U CN 2010201255221U CN 201020125522 U CN201020125522 U CN 201020125522U CN 201660549 U CN201660549 U CN 201660549U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The utility model relates to a special electric tunnel kiln for casting crystal glass plates and utensils, which comprises a kiln body and a heating system. The kiln body comprises a hot melting section (3), a pattern arranging section (4) and an annealing section (5) which are arranged from left to right; transfer channels are respectively arranged at a kiln head and a kiln tail of the kiln body, and a loading zone (5), a drying kiln (9) and a mold mounting zone (8) are sequentially arranged between the kiln head and the kiln tail from left to right; a pusher (2) is arranged between the kiln head transfer channel (1) and the hot melting section (3); and the heating system includes an electric heating device and a residue heat using device; and the residue heat using device transmits remaining heat from heating the kiln body to an air exhaust pipeline (6) of the drying kiln (9). The special electric tunnel kiln has the advantages of an existing universal light tunnel kiln, has multiple functions in one kiln, is convenient in adjustment, stable in control, short in firing period, high in yield of wavy plate, table and pot production with stable quality, small in occupied area and investment, quick in effect and excellent in economical and social benefits.
Description
Technical field
The utility model relates to a kind of novel casting crystal glass sheet material and the special-purpose electric fired tunnel kiln of vessel.
Background technology
Tunnel furnace is the Thermal Equipment that modern continous way is burnt till, and is widely used in the baked for producing of ceramic product, and application is also arranged in metallurgy industries such as abrasive material.Tunnel furnace starts from 1765, can only burn the over-glaze decoration of pottery at that time, by 1810, has can be used for baking bricks or pottery, and is still, all not ideal enough.From 1906, just be used for the tire of painting enamel metal ware.Initial famous tunnel furnace is Fu Jilunshi, to after 1910, many improved modes has just been arranged gradually, and wherein the latest type tunnel furnace of the local design in Soviet Union Leningrad is comparatively advanced.To last century end, the kiln technology has entered the high-tech stage.In the world, with Italy and Japan state of the art for the highest.Therefore, kiln equipment Italian in this period and Japan has monopolized the high-end market of China basically.China starts from latter stage in last century in kiln equipment technology upgrading, import a large amount of external kiln equipments, for the production technology level of China's kiln promotes and modernization is laid a good foundation.Last century end to this century several years ago, the autonomous innovation of China's kiln has entered the prosperous phase, nearly ten years develop makes the designing and manufacturing level of China's kiln industrial equipment obtain qualitative leap, external kiln technical monopoly is thoroughly broken, and on market dominate, almost the kiln equipment of Italy and Japan is all extruded China market.Simultaneously, we go abroad, and our autonomous innovation technology have been squeezed into their high-end traditional market such as Europe, the U.S., Japan.Technically, domestic be in same aspect abroad, even the part gordian technique has been walked in the prostatitis.
China is ceramic-like products production and consumption big country, has maximum market in the world.At present, building of China and decoration level are in continuous lifting, and the market requirement is in continuous expansion, and consumption level progressively improves.Crystal glass sheet material and vessel are high-end increasing with material consumption as finishing, and simultaneously, also there is a large amount of product demands in American-European market.Along with the continuous expansion development in Handicraft decorative glassy product market, the client is also more and more higher to the requirement of the quality and quantity of crystal glass sheet material, vessel etc., but China adopts deep gouge stove production technique ambetti product at present basically.This efficiency of equipment is low, and power consumption is high, and the product quality instability is difficult to meet the need of market.And Italy and Japan block the relative kiln equipment technology, and the equipment importation selling at exorbitant prices, and market is difficult to accept.
Produce the main Equipment for Heating Processing of crystal glass class both at home and abroad at present, continued to use traditional electricity always and burnt the deep gouge stove, production technology is stagnated always, drops into and study less.The deep gouge stove is batch production, and small scale yields poorly.The main PID of employing of the temperature control instrument of tradition deep gouge stove is regulated to connect and is melted device and carry out temperature automatically controlledly, also has some kiln thereof using PID instrument to regulate thyristor control systems; These two kinds of Controlling System all can be controlled the kiln temperature and be ± 5 ℃ scope.At present, produce the Equipment for Heating Processing of crystal glass both at home and abroad, substantially on same starting line.
Therefore, be necessary to design a kind of novel tunnel kiln, to substitute the cast special-purpose fusion annealing device of crystal glass sheet material, vessel of traditional being used to.
Summary of the invention
Technical problem to be solved in the utility model is: the special-purpose fusion annealing device that provides a kind of tunnel furnace to be used to cast crystal glass sheet material, vessel, and to overcome traditional deep gouge furnaceman irregular shortcoming such as follow of throughput is little, qualification rate is low, energy consumption is high, the production cycle is long, produce product of planting.
The technical scheme that its technical problem that solves the utility model adopts is: comprise kiln body and heating system.Described kiln body is made of hot melt section, pendulum flower section and annealing section, arranges from left to right.Kiln hood and kiln tail place at the kiln body are provided with transfer track respectively, are provided with loading area, dry kiln and dress mould district between them from left to right successively; Between kiln hood transfer track and hot melt section, kiln car pusher is set.Described heating system comprises electric heater unit and residual heat using device; Residual heat using device is the exhaust duct that the heat energy that the heating of kiln body is left over is delivered to dry kiln.
The utility model is compared with traditional deep gouge stove, has following main advantage:
1. have a kiln how short with, easy to adjust, control stabilization, firing period, produce advantages such as waveform sheet material and platform basin product percent of pass height, floor space are little, less investment instant effect.Can replace traditional deep gouge stove, production efficiency is improved more than 1 times, yield rate reaches 98%, and quality product is improved significantly.
2. adopt the cooling the region between the heart and the diaphragm pipe segmentation control techniques of independent development, the kiln temperature field can just be adjusted, and is easy to realize pressure regime, the temperature curve system of kiln.
3. adopt the spiral resistance wire of independent development, and used with the pate dure rod and support, fixedly be wedged in the method on the half lightweight characteristic permanent seat, overcome the inhomogeneous of temperature field in furnace.
4. adopt full fiber kiln lining structure formation, its heat storage capacity is low, and high insulating effect is compared thermosteresis with the light-weight mullite liner and can be saved 60%.
5. adopt DSIC-2001 kiln computer supervisory control system, the kiln temperature control precision of tunnel furnace is reached ± 1 ℃ level.
In a word, electric fired tunnel kiln of the present utility model has current general light-duty tunnel furnace advantage, can a kiln how with, easy to adjust, the control stabilization firing period short, produce waveform sheet material and platform basin product percent of pass height, steady quality, little, the less investment of floor space, instant effect has good economy and society benefit.
Description of drawings
Fig. 1 is process structure figure of the present utility model.
Among the figure: 1. kiln hood trailer road; 2. kiln car pusher; 3. preheating zone; 4. clinkering zone; 5. cooling zone; 6. exhaust duct; 7. kiln tail trailer road; 8. adorn the mould district; 9. dry kiln; 10. loading area; 11. unload zone; 12. kiln car.
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
Fig. 1 is a block diagram of the present utility model.
Among the figure: 1. kiln hood transfer track; 2. kiln car pusher; 3. hot melt section; 4. pendulum is spent section; 5. annealing section; 6. exhaust duct; 7. kiln tail transfer track; 8. adorn the mould district; 9. dry kiln; 10. loading area; 11. unload zone; 12. kiln car.
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
The utility model provides a kind of casting crystal glass sheet material and the special-purpose electric fired tunnel kiln of vessel, comprises kiln body and heating system.Wherein, as shown in Figure 1: described kiln body is made of hot melt section 3, pendulum flower section 4 and annealing section 5, arranges from left to right.Kiln hood and kiln tail place at the kiln body are provided with kiln hood transfer track 1, kiln tail transfer track 7 respectively, are provided with loading area 5, dry kiln 9 and dress mould district 8 between them from left to right successively; Between kiln hood transfer track 1 and hot melt section 3, kiln car pusher 2 is set.Described heating system comprises electric heater unit and residual heat using device.Residual heat using device is the exhaust duct 6 that the heat energy that the heating of kiln body is left over is delivered to dry kiln 9.
On the inwall of described kiln body, be provided with the full fiber liner of adhesion with it.This liner top is fixing can be in the usual way, but side wall design unusual difficulty just.In order to solve this difficult problem, our independent development and utilized spiral resistance wire.
The structure of above-mentioned spiral resistance wire is: resistance wire adopts spiral form to be wrapped on the pate dure rod, and the pate dure rod fixedly is wedged on the permanent seat of half lightweight special-shaped, and this permanent seat links to each other with the inwall at pendulum flower section 4 places.The results showed that the use of this new technology is highly stable and reliable.And the resistance wire of traditional electric furnace generally adopts anchor nails or the pre-buried carriage of T shape to fix; The pre-buried carriage of T shape is fixing can only build by laying bricks or stones with refractory brick, and not energy-conservation, the anchor nails mode can only be used resistance, but is not easy to change and maintenance.
Kiln hood place at described kiln body is provided with the humidity discharging fan housing, is provided with the waste discharge hole on kiln body top.Upper and lower part at described kiln body is provided with electric heater unit respectively, and the electric heater unit of bottom is by silicon carbide refractory slab and shore supports.Electric heater unit is meant the heating unit that adopts novel spiral resistance wire structure to be formed.
In said exhaust pipeline 6, be provided with a plurality of segmentation controlled temperature of kiln body and cooling the region between the heart and the diaphragm pipes of pressure regime of being used for, the kiln temperature field can just be adjusted, each grouping cooling the region between the heart and the diaphragm pipe is communicated with blower fan by total cooling the region between the heart and the diaphragm pipe, connect the introducing blower fan, decide by kiln temperature is required, constitute heat circulating system thus by blower fan control air quantity, air quantity size.Heat circulating system is by frequency transformer, instrument, microcomputer interlock control, and this regulating and controlling mode is easy to realize pressure regime, the temperature curve system of kiln.Blower fan is linked to each other with frequency transformer by cable, and frequency transformer is linked to each other with the computer monitoring device by cable.Hot blast after the exchange is sent to dry kiln 9 dry casting by exhaust duct 6 and uses mould, and this design has guaranteed making full use of of waste heat, can adjust firing period more neatly according to the different size of product, has realized energy-saving and cost-reducing order ground.
In the described computer monitoring device, adopt the IPC-9150 industrial computer as upper main frame, this upper main frame adopts the standard serial communication link to be connected with instrument, PLC, XP/AI series intelligent controller is adopted in the next temperature, pressure acquisition control, and the OMRON series of PLC is adopted in blower fan, transmission and frequency transformer, three-phase alternating current intelligent object operation of equipment control.This computer monitoring device can be controlled the kiln temperature and be ± 1 ℃ scope.
The utility model has replaced original connecing to melt device and silicon controlled rectifier with three-phase alternating current intelligent object equipment, can reduce the impact of electric current to electrical network.The YGJU338A that three-phase alternating current intelligent object equipment can adopt Taiwan Yang Ming company to produce, this module adopts the micro-chip design, no phase sequence requirement, no synchrotrans, pulse transformer is isolated triggering, inner phase shift, Fixed width is regulated and is all realized digitizing, and triggering part is without any regulating components and parts, and the pulse symmetry is less than 0.5 degree, little to load shock, immunity from interference is strong.
Fixed wall and vault are arranged at both sides and top at tunnel furnace, operation kiln car 12 on the track that lay the bottom.Heat-conduction coefficient according to full fiber kiln lining is little, heat storage capacity is low, and high insulating effect adopts light insulating flame-proof thermal insulation material aluminum silicate fiber as inner lining of kiln.(the about 0.25W/m.k of heat-conduction coefficient) compares with the light-weight mullite liner, suppose the thick 348mm of kiln wall, suppose that the surfaces externally and internally temperature-averaging is respectively 800 degree and 50 degree, substitution formula Q=(T1-T2) * λ * F/S tries to achieve by the thermosteresis of unit kiln wall can save 60%.
Combustion equipment is located at the both sides, middle part of tunnel furnace, and it is thermal zone to have constituted fixed, i.e. the flower of pendulum among figure section and annealing section.The resistance wire of traditional electric furnace generally adopts anchor nails or the pre-buried carriage of T shape to fix, and T shape carriage is fixing can only build by laying bricks or stones with refractory brick, and not energy-conservation, the anchor nails mode can only be used resistance, but is not easy to change and maintenance.Consider from energy-saving and cost-reducing angle, we have selected the liner of light insulating flame-proof thermal insulation material as kiln, this kind liner can't use T line carrier fixed resistor silk, for this reason, develop spiral resistance wire and supported the new technology on the half lightweight special-shaped permanent seat of fixing wedging with the pate dure rod, thermal conductivity silicon carbide refractory slab pillar is preferably used in the bottom, help even heating up and down like this, heating is rapid, the thermo-efficiency height.
The utility model is provided with the humidity discharging fan housing and is provided with the kiln structure in part waste discharge hole on kiln body top at kiln hood.Change original stowage of the dead end into up and down heating method, thermal conductivity silicon carbide refractory slab and pillar are preferably used in the bottom, the discharge that help even heating up and down like this, helps burning lost article.Airstream in kiln and goods antikinesis, heat exchange and thermal utilization are more abundant, have an amount of gas to flow to kiln hood in the kiln, and disposing kiln has so just had controllability.During traditional deep gouge stove melting process can not with in gypsum mold and the product have that machine burning lost article and crystal are clear to be gone out the time burning lose waste gas and drain, the sintering procedure of this stove is that nature sintering and naturally cooling do not have artificial adjustment and control method, so various vaporific and images, the aesthetic feeling of the very poor nothing of Clear ﹠ Transparent degree crystal often appear in the product that burns out.Novel electricity burns the innovation structure of casting crystal glass tunnel furnace, has solved this product quality key issue, and big leap has been arranged on quality product and the quality.
Working process of the present utility model is: kiln car 12 charging (green article) backs are sent into hot melt section 3 (claiming the preheating zone again) by kiln hood transfer track 1 by kiln car pusher 2, after preheating, enter pendulum and spend period 4 (claiming clinkering zone again), enter period 5 (the claiming cooling zone again) of annealing afterwards, last kiln car 12 is through kiln tail transfer track 7 and send into unload zone 11, finishes whole technological process.
The utility model has adopted the technical scheme of UTILIZATION OF VESIDUAL HEAT IN, i.e. the heat energy that kiln body heating is left over enters dry kiln 9 by exhaust duct 6, and green article is heated.The process of UTILIZATION OF VESIDUAL HEAT IN is: flow toward the kiln hood direction under the effect of high-temperature flue gas at blower fan that pendulum flower section 4 (thermal zone) burning green article produces, the green article that just enters the molten section 3 of kiln body heat is carried out preheating.When kiln car 12 carries green article toward the operation of kiln tail direction, blast cold wind from annealing section 5, the cooling green article, the hot blast that green article cooling back produces is extracted out by blower fan, sends into the thermal source of dry kiln 9 as dried through exhaust duct 6.
Claims (7)
1. cast crystal glass sheet material and the special-purpose electric fired tunnel kiln of vessel comprise kiln body and heating system, it is characterized in that:
Described kiln body is made of hot melt section (3), pendulum flower section (4) and annealing section (5), arranges from left to right;
Kiln hood and kiln tail place at the kiln body are provided with transfer track respectively, are provided with loading area (5), dry kiln (9) and dress mould district (8) between them from left to right successively; Between kiln hood transfer track (1) and hot melt section (3), kiln car pusher (2) is set;
Described heating system comprises electric heater unit and residual heat using device; Residual heat using device is the exhaust duct (6) that the heat energy that the heating of kiln body is left over is delivered to dry kiln (9).
2. the special-purpose electric fired tunnel kiln of casting crystal glass sheet material according to claim 1 and vessel is characterized in that: the full fiber liner that is provided with adhesion with it on the inwall of kiln body.
3. the special-purpose electric fired tunnel kiln of casting crystal glass sheet material according to claim 1 and vessel, it is characterized in that: in exhaust duct (6), be provided with a plurality of segmentation controlled temperature of kiln body and cooling the region between the heart and the diaphragm pipes of pressure regime of being used for, each grouping cooling the region between the heart and the diaphragm pipe is communicated with blower fan by total cooling the region between the heart and the diaphragm pipe, blower fan is linked to each other with frequency transformer by cable, and frequency transformer is linked to each other with the computer monitoring device by cable.
4. the special-purpose electric fired tunnel kiln of casting crystal glass sheet material according to claim 3 and vessel, it is characterized in that described computer monitoring device comprises: adopt the IPC-9150 industrial computer as upper main frame, this upper main frame adopts the standard serial communication link to be connected with instrument, PLC, and XP/AI series intelligent controller is adopted in the next temperature, pressure acquisition control; The OMRON series of PLC is adopted in blower fan, frequency transformer and transmission, three-phase alternating current intelligent object operation of equipment control.
5. the special-purpose electric fired tunnel kiln of casting crystal glass sheet material according to claim 1 and vessel is characterized in that at the kiln hood place of described kiln body the humidity discharging fan housing being set, and is provided with the waste discharge hole on kiln body top.
6. the special-purpose electric fired tunnel kiln of crystal glass sheet material and vessel of casting according to claim 1 or 5 is characterized in that being provided with electric heater unit respectively in the upper and lower part of described kiln body, and the electric heater unit of bottom is by silicon carbide refractory slab and shore supports.
7. the special-purpose electric fired tunnel kiln of casting crystal glass sheet material according to claim 1 and vessel, it is characterized in that locating to be provided with spiral resistance wire in described pendulum flower section (4), and with the support of pate dure rod, fixedly be wedged on the half lightweight characteristic permanent seat, this permanent seat links to each other with the inwall of kiln body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201255221U CN201660549U (en) | 2010-03-04 | 2010-03-04 | Special electric tunnel kiln for casting crystal glass plates and utensils |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201255221U CN201660549U (en) | 2010-03-04 | 2010-03-04 | Special electric tunnel kiln for casting crystal glass plates and utensils |
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| Publication Number | Publication Date |
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| CN201660549U true CN201660549U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201255221U Expired - Fee Related CN201660549U (en) | 2010-03-04 | 2010-03-04 | Special electric tunnel kiln for casting crystal glass plates and utensils |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800920A (en) * | 2018-07-12 | 2018-11-13 | 宜宾市兴诺节能耐火材料有限责任公司 | A kind of flat flow tunnel oven |
-
2010
- 2010-03-04 CN CN2010201255221U patent/CN201660549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800920A (en) * | 2018-07-12 | 2018-11-13 | 宜宾市兴诺节能耐火材料有限责任公司 | A kind of flat flow tunnel oven |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20180304 |