CN201662334U - Residual-heat utilization system of electric tunnel kiln specially used for casting crystal glass board and utensil - Google Patents
Residual-heat utilization system of electric tunnel kiln specially used for casting crystal glass board and utensil Download PDFInfo
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- CN201662334U CN201662334U CN2010201255607U CN201020125560U CN201662334U CN 201662334 U CN201662334 U CN 201662334U CN 2010201255607 U CN2010201255607 U CN 2010201255607U CN 201020125560 U CN201020125560 U CN 201020125560U CN 201662334 U CN201662334 U CN 201662334U
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Abstract
The utility model relates to a residual-heat utilization system of an electric tunnel kiln specially used for casting a crystal glass board and a utensil. The residual-heat utilization system consists of a residual hot air delivery pipeline, a heat cycle system and a dry kiln (15), wherein the residual hot air delivery pipeline is provided with a first residual hot air delivery pipeline (7) communicated with the kiln head of the tunnel kiln and a second residual hot air delivery pipeline (8) communicated with the kiln tail of the tunnel kiln, and then the tunnel kiln, the first residual hot air delivery pipeline and the second residual hot air delivery pipeline are communicated with the dry kiln (15) by a connecting pipeline after being communicated with one another; the heat cycle system is provided with a plurality of cooling blind pipelines used for the institution of a tunnel kiln body of controlling the temperature and the pressure in a subdivision way; each group of cooling blind pipelines and a main cooling blind pipeline are connected and then are led into an air blower; the air blower is connected with a frequency converter by a cable; and the frequency converter is connected with a computer monitoring device by a cable. The residual-heat utilization system can ensure the residual heat in the tunnel kiln to return nearby to the process link without increasing the energy consumption of the tunnel kiln, thereby ensuring the full utilization of the residual heat, being more flexible for adjusting the firing cycle according to different specifications of products and realizing the aims of saving energy and lowering energy consumption.
Description
Technical field
The utility model relates to saving energy in kiln consumption reduction field, particularly relates to the bootstrap system of the special-purpose electric fired tunnel kiln of a kind of novel casting crystal glass sheet material and vessel.
Background technology
China has the manufacturer that produces casting crystal glass product and mainly concentrates on coastal areas such as Jiangsu, Shanghai, Zhejiang, and their employed capital equipment be an electricity burning deep gouge stove, must disposable construction a collection of with 10 be one group, single floor space is 24m
2At present, single each production cycle production capacity of electricity burning deep gouge stove is 12m
2, the about 205 degree/m of power consumption
2, per production cycle is 15 days, the product percent of pass of ordinary production is about 80-90%.Obviously, the productivity ratio of this kind type of furnace is not high, and for reaching certain production capacity, body of heater construction input cost is not low in batches.General deep gouge furnace operating difficulty of producing casting crystal glass product, the temperature difference is big, energy consumption is high, qualification rate is low, the first half integral body of this stove must be removed before the loading and unloading, after product has been removed stage makeup and costume again the lifting sealing that puts in place put stove more again after good and begin to produce, and the flue gas that produces directly is discharged in the atmosphere, has not only wasted the energy but also polluted air.China has been ceramic-like production and consumption big country at present, has maximum market in the world.At present, building of China and decoration level are in continuous lifting, continuous expansion along with Handicraft decorative glass product market, crystal glass sheet material and vessel are high-end increasing with material consumption as finishing, simultaneously, also there is a large amount of product demands in American-European market, makes that the energy resource consumption of kiln industry is increasing.
Therefore, be necessary on the basis that absorbs advanced technology, thermal technology principle according to tunnel cave work, use the bootstrap system of a kind of novel casting crystal glass sheet materials of a series of art designs such as controlling heat insulating material automatically and the special-purpose electric fired tunnel kiln of vessel, to reduce the energy resource consumption of present kiln industry.
Summary of the invention
Technical problem to be solved in the utility model is: at present kiln industry high energy consumption, and high-temperature flue gas directly is discharged into the problem of atmosphere, the bootstrap system of the special-purpose electric fired tunnel kiln of a kind of novel casting crystal glass sheet material and vessel is provided, this system can guarantee making full use of of waste heat, realizes the purpose of energy-saving and cost-reducing and environmental protection.
The technical scheme that its technical problem that solves the utility model adopts is: be made up of waste heat wind conveyance conduit, heat circulating system and dry kiln.The second waste heat wind conveyance conduit that waste heat wind conveyance conduit is provided with the first waste heat wind conveyance conduit that is communicated with the kiln hood of this tunnel cave and is communicated with the kiln tail, they are communicated with dry kiln by connecting pipe after being communicated with again.Heat circulating system is provided with a plurality of cooling the region between the heart and the diaphragm pipes that are used to control the temperature and pressure of tunnel kiln body, and each grouping cooling the region between the heart and the diaphragm pipe is connected the introducing blower fan with total cooling the region between the heart and the diaphragm pipe, and blower fan is linked to each other with frequency converter by cable, and frequency converter is linked to each other with the computer monitoring device by cable.
The utility model is located at combustion apparatus the both sides, middle part of tunnel cave, it is the clinkering zone of tunnel cave, the high-temperature flue gas that burning produces flows to the kiln hood direction along tunnel cave under the effect of the chimney of tunnel cave front end or air-introduced machine, and preheating progressively simultaneously enters the goods in the kiln.Under the traction of goods that clinkering zone burns till at kiln car, move toward kiln tail direction (being the salband of tunnel cave), simultaneously, blast cold wind at salband and be used for refrigerated product, the cold wind that blasts is flowed through goods and after being heated, being extracted out and send into the thermal source of drier as dried.Like this, just guarantee making full use of of waste heat, realized energy-saving and cost-reducing and environmental protection.
The utility model compared with prior art mainly contains following advantage:
1. traditional electric furnace generally adopts anchor studs or the pre-buried carriage fixed resistance of T shape silk that goods are heated.The fixing furnace wall that can only build tunnel cave with refractory brick by laying bricks or stones of T shape carriage, the refractory brick heat insulation effect is relatively poor, and is not energy-conservation.The anchor studs mode can only be used resistance, but is not easy to change and maintenance.The residual heat using device of the special-purpose electric fired tunnel kiln of novel casting crystal glass sheet material and vessel is at inner lining of kiln light insulating flame-proof thermal insulation material, it is alumina silicate fibre, the wall that has changed ceramic kiln only uses the method for refractory brick, radiation loss and accumulation of heat loss is significantly reduced, realized purpose of energy saving.
2. at the problem of gas in present most of tunnel caves and goods co-flow, the waste heat gas of the residual heat using device of the special-purpose electric fired tunnel kiln of novel casting crystal glass sheet material and vessel and goods adopt the mode of antikinesis, heat exchange and heat utilization are more abundant, have realized the recycling of heat energy.
3. the high-temperature flue gas that the residual heat using device of the special-purpose electric fired tunnel kiln of novel casting crystal glass sheet material and vessel produces clinkering zone enters the thermal source of the goods of kiln hood as preheating, the thermal source of the hot blast that produces behind the refrigerated product as dried, realize making full use of of waste heat, and realized energy-saving and emission-reduction.
Description of drawings
Fig. 1 is a structural representation 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. cooling section; 7. the first waste heat wind conveyance conduit; 8. the second waste heat wind conveyance conduit; 9. loop; 10. loading area; 11. kiln car; 12. dress mould district; 13. unload zone; 14. kiln tail transfer track; 15. dry kiln.
The specific embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
The bootstrap system of the special-purpose electric fired tunnel kiln of the casting crystal glass sheet material that the utility model provides and vessel, its structure be as shown in Figure 1: be made up of waste heat wind conveyance conduit, heat circulating system and dry kiln 15.Wherein: waste heat wind conveyance conduit is provided with first waste heat wind conveyance conduit 7 that is communicated with the kiln hood of described tunnel cave and the second waste heat wind conveyance conduit 8 that is communicated with the kiln tail, and they are communicated with dry kiln 15 by connecting pipe after being communicated with again.Heat circulating system is provided with a plurality of cooling the region between the heart and the diaphragm pipes that are used for the segmentation control temperature and pressure system of tunnel kiln body, each grouping cooling the region between the heart and the diaphragm pipe is connected with total cooling the region between the heart and the diaphragm pipe introduces blower fan, blower fan is linked to each other with frequency converter by cable, and frequency converter is linked to each other with the computer monitoring device by cable.
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 converter, three-phase alternating current intelligent object equipment operation 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 controllable silicon with three-phase alternating current intelligent object equipment, can reduce the impact of electric current to electrical network.Three-phase alternating current intelligent object equipment is meant that the front end at rectifier transformer is connected to three-phase integrated dephasing thyristor module and high accuracy D.C. regulated power supply matching used with it, regulates and control three-phase power.The model of described three-phase integrated dephasing thyristor module is MJYS-JL-100.The high accuracy D.C. regulated power supply can adopt SJG series intelligent high-efficient high accuracy D.C. regulated power supply.
The place is provided with the humidity discharging fan housing at described kiln hood.Be provided with the waste discharge hole on the top of described tunnel kiln body.
Described dry kiln 15 is 18 meters long, or decides according to actual conditions.
The bootstrap system that the utility model provides, be at casting crystal glass sheet material and the set device of the special-purpose electric fired tunnel kiln of vessel, this device enters the thermal source of preheating zone goods to the high-temperature flue gas that burns till generation as preheating, and the hot blast that produces behind the refrigerated product is sent into the drier dried.Decided by kiln temperature is required by blower fan control air quantity, air quantity size, by frequency converter, instrument, microcomputer interlock control, this control and regulation mode is easy to realize pressure regime, the temperature curve system of kiln.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.
The course of work of the present utility model is: flow toward the kiln hood direction under the effect of high-temperature flue gas at blower fan that pendulum flower section 4 (high temperate zones) 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 11 carries green article toward the operation of kiln tail direction, blast cold wind from annealing section 5 and cooling section 6, 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 15 as dried through the second waste heat wind conveyance conduit 8.
The utility model can be applicable in the High-efficient Production of architectural decoration fresh water (FW) crystal glass sheet material and household utensil.
The special-purpose electric fired tunnel kiln of casting crystal glass sheet material described in the utility model and vessel, it comprises kiln body and heating system.As shown in Figure 1: described kiln body is made of hot melt section 3, pendulum flower section 4, annealing section 5 and cooling section 6, 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 14 respectively, are provided with loop 9, loading area 10, dry kiln 15 and dress mould district 12 between them from left to right successively.Between kiln hood transfer track 1 and hot melt section 3, kiln car pusher 2 is set.Link to each other by dry kiln 9 between dress mould district 12 and the loading area 10.Described heating system comprises electric heater unit.Electric heater unit is meant that the original stowage of the dead end of spiral resistance wire changes heating up and down into, and thermal conductivity carborundum refractory slab and pillar are preferably used in the bottom, help the discharge of evenly heating up and down, helping burning lost article like this.
Upper and lower part at described tunnel kiln body is provided with electric heater unit respectively, and the electric heater unit of bottom is by carborundum refractory slab and shore supports.Electric heater unit is meant the heater that adopts novel screw type resistance wire structure to be formed.
The novel screw type resistance wire is installed at pendulum flower section 4 places at described tunnel cave, and supports with the pate dure rod, fixedly is wedged on the half lightweight characteristic holder, and this holder links to each other with the inwall of kiln body.
Fixing wall and vault are arranged at both sides and top at tunnel cave, this kiln car of operation on the track that lay the bottom.The coefficient of heat conduction 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 alumina silicate fibre as inner lining of kiln.(the about 0.25W/m.k of the coefficient of heat conduction) 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 heat loss of unit kiln wall can save 60%.
Combustion apparatus is located at the both sides, middle part of tunnel cave, has constituted fixing high temperate zone, i.e. the flower of pendulum among figure section and annealing section.The resistance wire of traditional electric furnace generally adopts anchor studs 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 studs 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 resistance silk, for this reason, develop spiral resistance wire and supported the new technology on the half lightweight special-shaped holder of fixing wedging with the pate dure rod, thermal conductivity carborundum refractory slab pillar is preferably used in the bottom, help so evenly heating up and down, heating is rapid, thermal efficiency height.
The course of work of the special-purpose electric fired tunnel kiln of described casting crystal glass sheet material and vessel is: kiln car 11 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 annealing section 5 and cooling section 6 afterwards, last kiln car 11 is through kiln tail transfer track 14 and send into unload zone 13, finishes whole technical process.
Claims (4)
1. bootstrap system of the special-purpose electric fired tunnel kiln of crystal glass sheet material and vessel of casting, it is characterized in that forming by waste heat wind conveyance conduit, heat circulating system and dry kiln (15), wherein: waste heat wind conveyance conduit is provided with first waste heat wind conveyance conduit (7) that is communicated with the kiln hood of described tunnel cave and the second waste heat wind conveyance conduit (8) that is communicated with the kiln tail, and they are communicated with dry kiln (15) by connecting pipe after being communicated with again; Heat circulating system is provided with a plurality of cooling the region between the heart and the diaphragm pipes that are used for the segmentation control temperature and pressure system of tunnel kiln body, each grouping cooling the region between the heart and the diaphragm pipe is connected with total cooling the region between the heart and the diaphragm pipe introduces blower fan, blower fan is linked to each other with frequency converter by cable, and frequency converter is linked to each other with the computer monitoring device by cable.
2. bootstrap system according to claim 1, 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 converter and transmission, three-phase alternating current intelligent object equipment operation control.
3. bootstrap system according to claim 1 is characterized in that at described kiln hood place the humidity discharging fan housing being set.
4. bootstrap system according to claim 1 is characterized in that being provided with the waste discharge hole on the top of described tunnel kiln body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201255607U CN201662334U (en) | 2010-03-04 | 2010-03-04 | Residual-heat utilization system of electric tunnel kiln specially used for casting crystal glass board and utensil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201255607U CN201662334U (en) | 2010-03-04 | 2010-03-04 | Residual-heat utilization system of electric tunnel kiln specially used for casting crystal glass board and utensil |
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| CN201662334U true CN201662334U (en) | 2010-12-01 |
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| CN2010201255607U Expired - Fee Related CN201662334U (en) | 2010-03-04 | 2010-03-04 | Residual-heat utilization system of electric tunnel kiln specially used for casting crystal glass board and utensil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808138A (en) * | 2012-11-06 | 2014-05-21 | 贵阳铝镁设计研究院有限公司 | Method and device for achieving bi-directional stepping of kiln car on assembling and disassembling rail |
| CN106247775A (en) * | 2016-08-29 | 2016-12-21 | 广西横县威林木材市场投资有限公司 | A kind of rail mounted wood single-plate drying device |
| CN117209126A (en) * | 2023-01-03 | 2023-12-12 | 浙江振申绝热科技股份有限公司 | Foam glass production system |
-
2010
- 2010-03-04 CN CN2010201255607U patent/CN201662334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808138A (en) * | 2012-11-06 | 2014-05-21 | 贵阳铝镁设计研究院有限公司 | Method and device for achieving bi-directional stepping of kiln car on assembling and disassembling rail |
| CN106247775A (en) * | 2016-08-29 | 2016-12-21 | 广西横县威林木材市场投资有限公司 | A kind of rail mounted wood single-plate drying device |
| CN117209126A (en) * | 2023-01-03 | 2023-12-12 | 浙江振申绝热科技股份有限公司 | Foam glass production system |
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| 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 |