CN104909547A - High-efficiency and energy-saving kiln production line for producing high-performance foam glass - Google Patents
High-efficiency and energy-saving kiln production line for producing high-performance foam glass Download PDFInfo
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- CN104909547A CN104909547A CN201510322865.4A CN201510322865A CN104909547A CN 104909547 A CN104909547 A CN 104909547A CN 201510322865 A CN201510322865 A CN 201510322865A CN 104909547 A CN104909547 A CN 104909547A
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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 invention discloses a high-efficiency and energy-saving kiln production line for producing high-performance foam glass, and the production line is used for solving the problems of low yield, low quality, high energy consumption, serious pollution, large labor intensity, and the like existing in the prior art. The production line is characterized by being composed of a roller-bed foaming kiln, a wide-body conveyer belt lehr and an automatic control system, wherein die boxes in the roller-bed foaming kiln operate side by side, the foaming kiln is manufactured and installed in a modular and standardized mode, the whole kiln is divided into 19 functional areas according to technological requirements, the inside width is 2-3 meters, the kiln length is 30-60 meters, and a lining of the kiln is completely made of a novel lightweight heat-insulating material and heat-preserving cellucotton. The lehr is a wide-body conveyer-belt continual-conveyed annealing device, and completely divided into five functional sections, namely a stabilizing section, a heat-preserving section, a slow cooling section, a fast cooling section and a tail cooling section according to technological requirements. The production line has the advantages of reasonable structure, high yield, high quality, high degree of automation, and the like, and can be used for reducing the labor cost, and greatly improving the work efficiency, so that the production line has wide promotion and application value.
Description
One, technical field
The invention belongs to Thermal Equipment, especially relate to a kind of high-efficient energy-saving kiln production line being applicable to the fully-automatic production high-performance foam glass that the large output multicellular glass of modernization is produced.
Two, background technology
Multicellular glass utilizes discarded glass and flyash equal industrial residue to be starting material, adds the supplementary additives such as whipping agent, suds-stabilizing agent, tensio-active agent, through the light porous ceramic of melting, high temperature foaming, annealing.Have fire prevention, waterproof, nontoxic, corrosion-resistant, mothproof, not aging, "dead", insulation, anti-magnetic wave, anti-electrostatic, physical strength is high, the characteristic good with all kinds of mud cohesiveness.A kind of external wall of stable performance and roof insulation, sound insulation, water-proof material.Not only can be applicable to the heat insulating work of flue, kiln and freezer, heat insulation, waterproof, the FPE of various gas, liquid, oily transport pipe, the various places needing sound insulation, heat insulation device such as subway, Library, office building, theatre, movie theatre, even also have the function of household cleaning, health care.With multicellular glass protection heating conveying tube road compared with traditional protection material, thermal losses about 25% can be reduced.It is that digestion cullet and flyash open an effective way, makes social resources be able to regeneration, and solves solid waste preferably to the pollution of environment.Only produce 10000m per year for one
3production line just can be national Economization on land 200 mu every year, is building energy-saving 50 ~ 68%, makes fabric structure weight reduction 20 ~ 30%.Multicellular glass is heat insulating green material, and because of its low unit weight, high strength, the fire prevention of A level is energy-conservation, thermal conductivity is little, profit is useless, the feature of environmental protection, becomes and builds and be incubated the new emphasis of industry development in recent years.Thus, multicellular glass has again the good reputation of novel " environmentally conscious materials ".
Multicellular glass industry competition is fierce, equipment has started to develop to maximization, current pushed bat kiln and single roller kiln and mesh-belt kiln all exist yield poorly, the problem such as quality is low, energy consumption is high, labour intensity is large, inefficiency and the demand of manufacturing enterprise can not be met.
Three, summary of the invention
The object of the invention is based on utilization of waste material, environmental protect, eliminate the old production unit of low energy high consumption, for market provides the high-efficient energy-saving kiln production line of production high-performance foam glass of a kind of high yield, high-quality, less energy-consumption, low emission.
Technical scheme of the present invention is: kiln production line is that the roller-way foaming kiln and an expanded letter netted belt-conveyor lehr that are run side by side by a several piece diaphragm capsule and automatic control system combine, described roller-way foaming kiln is Wide Band Oxygen Sensors, many wickets assembled frame structure, liner lightweight refractory and insulation fibre cotton, additional paint-baking decorative plate, kiln hood is provided with and automatically enters kiln machine, kiln tail is provided with automatic kiln discharge machine, be provided with fiery curtain sealing automatic induction opening and closing mechanism between wicket and kiln body and realize multi-door interlocking, roller rod is transmitted as variable frequency adjustment and controls, and the intensification of kiln thorax and foaming workshop section side kiln wall up and down the intensive layout gas premixing of staggered multiple spot close flameless burner or intelligent control small power high combustion rate burner, at stable section side kiln wall staggered sparse layout gas premixing conjunction flameless burner or intelligent control small power high combustion rate burner up and down, the turn-around be made up of line line and file line is end to end provided with outside kiln, line line and file line junction are provided with turning lifting gantry end to end, and on file line, set gradually blowing mechanism, spray body, charging mechanism, vibrating mechanism and press-powder mechanism, kiln tail line line is provided with automatic demoulding mechanism.Described annealing mesh-belt kiln is assembly type expanded letter skeleton construction, liner light heat-insulating material and insulation fibre cotton, additional paint-baking decorative plate, kiln hood is provided with automatic feed mechanism, kiln tail is provided with discharging roller tables, kiln intracoelomic cavity is provided with the hot air circulation re-use device by air-blower control, airflow circulation passage is provided with in the middle of kiln wall, be distributed with gas premixing at the front end kiln wall staggered sideways of kiln body and close flameless burner or intelligent control high power high speed flameless burner, stage casing is distributed with composite energy-saving electric heater unit, back segment has been equipped with refrigerating unit, each section is all provided with independently control device, transferring platform and transmission line is provided with between discharging roller tables and surface trimming line, surface trimming line is connected with finished product transfer limes by turning hoisting appliance, described system all adopts full automatic control, adopts DCS Controlling System decentralised control centralized management.If an active station and an engineer station realize, redundancy is standby mutually to be controlled, all adopt industrial computer to add configuration programming and complete control and management function, advanced computer control system is utilized to make the operation of kiln become easy and directly perceived, control mode is Fieldbus Control, fully to ensure the stability of control process.This production line is furnished with Multistage Control unit, and the control unit of subordinate adopts PLC+ industrial computer interlocked control, ignition order, combustion completion, temperature automatically controlled, monitoring alarm, data acquisition and communication is combined as a whole.Modern safety and warning facility, scientific chain programming, improves security and the reliability of furnace operation greatly.
Described roller-way foaming kiln inner width 2 ~ 3 meters, overall length 30 ~ 60 meters, be 19 functional zone by processing requirement by full kiln cutting, in kiln, roller rod adopts two fulcrum mixing to support, Partner is that support roller supports, drive end is fixed support, Helical gear Transmission, is driven by bearing support, large bevel pinion, transmission shaft, driving motor, every root roller rod is arranged on kiln within the walls by two cover sealing roller aperture brick, by the rotation of many roller rods, diaphragm capsule is run from kiln hood to kiln tail.Annealing mesh-belt kiln inner width 3 ~ 6 meters, overall length 75 ~ 160 meters, full kiln is divided into stable section, holding-zone, Xu Lengduan, rapid cooling section and tail cold section of five functional section, when multicellular glass blank is from when entering out continus convergence, by segmentation and regionalization cooling in kiln, achieve long-time uniform annealing, decrease product internal stress, can automatic continuous production be realized.
The invention has the beneficial effects as follows: whole production line adopts Intelligent full-automatic control system and the technology controlling and process software of the advanced person of independent research.Whole Controlling System adopts DCS Controlling System decentralised control centralized management, and utilize advanced computer control system to make the operation of kiln become easy and directly perceived, control mode is Fieldbus Control, fully to ensure the stability of control process.Modern safety and warning facility, scientific chain programming, improves security and the reliability of furnace operation greatly, makes the regulating and controlling of kiln more accurate.All blower fans adopt variable frequency control, accurately control pressure and the cooling temperature of each pressure spot, to ensure the stable of calcining system, and can saves energy and combustion gas energy consumption.The Controlling System of this project with domestic other with compared with product kiln, have following advantage:
1, improve the control accuracy of kiln temperature.Change the control mode of temperature control technology, achieve the target setting that the kiln section temperature difference controls at ± 2 DEG C, control atmosphere, the pressure and temperature system in kiln more flexibly and effectively, meet the requirement of high-performance foam process of glass to greatest extent.
2, automatic controlling level is high.The method using computer to combine with frequency transformer, increases greatly by the adjustability of kiln production cycle, handiness, and data gathering is carried out in timing, and processing treatment also controls in real time to temperature, pressure and atmosphere etc.
3, simple to operate, convenient management.Realize man-machine dialogue, the setting of many temperature curves can be completed on computers, the setting of controling parameters and amendment, the state display of the equipment such as blower fan, frequency transformer, temperature regulates sensitive, achieves the real-time display of each parameter of kiln, automatically record, prints, the prompt functions of inquiry and various fault.
4, this multicellular glass kiln production line tool has high yield, high-quality, less energy-consumption, low emission feature, produces more high-performance foam glass environmental protection energy-conserving product, builds environmental protection society.
Below in conjunction with accompanying drawing, the invention will be further described.
Four, accompanying drawing explanation
Fig. 1 is roller-way foaming kiln plane figure schematic diagram of the present invention;
Fig. 2 is roller-way foaming kiln cross section structure schematic diagram of the present invention;
Fig. 3 is netted belt-conveyor lehr plane figure schematic diagram of the present invention;
Fig. 4 is netted belt-conveyor lehr cross section structure schematic diagram of the present invention.
In figure: 1 is kiln thorax, 2 respond to opening and closing mechanism automatically for fiery curtain seals, 4 for entering kiln machine, 4 is kiln discharge machine, 5 is automatic demoulding mechanism, 6 is blowing mechanism, 7 is spray body, 8 is charging mechanism, 9 is vibrating mechanism, 10 is press-powder mechanism, 11 is gas premixing conjunction flameless burner, 12 is intelligent control small power high combustion rate burner, 13 is file line, 14 is automatic control device, 15 is flameless burner, 16 is composite energy-saving electric heater unit, 17 is refrigerating unit, 18 is transferring platform, 19 is blower fan, 20 is annealing mesh-belt kiln, 21 is discharging roller tables, 22 is stable section, 23 is feed mechanism, 24 is holding-zone, 25 is Xu Lengduan, 26 is rapid cooling section, 27 is cold section of tail, 28 is finished product transfer limes, 28 is transmission line, 30 is surface trimming line.
Five, embodiment
The present invention be the roller-way foaming kiln that runs side by side of a several piece diaphragm capsule and an expanded letter netted belt-conveyor lehr and automatic control system combine large gauge, Wide Band Oxygen Sensors, efficiently multicellular glass kiln production line, the annual production of wall scroll production line is 55000-80000m
3." two step method " high-performance foam glass high-efficiency energy saving kiln that output product high-temperature capability high thermal conductivity coefficient is low and unit product comprehensive energy consumption is low.Its running operation be first raw material stoving → raw material crushing → feed proportioning ball milling → compound promote conveying → compound weighings → demoulding mould and return loading station by turning spur purges, after spraying and load compound → to compound and carry out vibration and press-powder → enter the foamed glass blank → product foamed in roller bed type foaming kiln foamed after through the demoulding of automatic demoulding e Foerderanlage carry → to cut to surface trimming line through discharge roller table apparatus kiln discharge → finally by transferring platform and transmission line again after having annealed through annealing → product in feeding device loading expanded letter netted belt-conveyor lehr again and pack.The assembled frame structure that whole production line is made by high-quality section bar, full kiln liner adopts novel light lagging material and insulation fibre cotton, and its high-temperature heat insulation is good, and shrinkability is little, and physical strength is high, Heat stability is good.Additional paint-baking decorative plate, light and beautiful, sturdy and durable, the length of kiln, width, level of automation all reach international multicellular glass kiln advanced level.Output quality is stablized, and every technical performance index has has all met and exceeded the peak demand of same kind of products at abroad.
Adopt the operational path of roller-way foaming kiln and the full-automatic turn-around of outfit, guarantee to run in order, efficiently.Roller-way foaming kiln adopts modularization, stdn is installed and manufactured, and full kiln is divided into 19 functional zone, kiln total length 30-60 rice.Full kiln liner adopts novel light lagging material and insulation fibre cotton.Product transfers as variable frequency adjustment controls, load diaphragm capsule to run side by side by 3 ~ 4 pieces, running is fast, section is wide, employing variable frequency adjustment controls, arrange respectively before and after kiln and automatically enter kiln machine 3 and kiln discharge machine 4, and kiln is equipped with automatic rotating line outward, the outer operation of all kilns is if a whole set of the automatic movement system such as pickoff 5, blow device 6, spray equipment 7, dress powder device 8, vibrating device 9, powder pressing device 10 is all in automatic carrier return on-line operation, convenient and swift.There is the advantages such as output is large, energy consumption is low, level of automation is high, easy to operate, labour intensity is low.
After being flattened by the multicellular glass vibrate powder loaded in heat-resisting diaphragm capsule, the diaphragm capsule on outer circulation line is sent in kiln one by one by automatically entering kiln machine 3, through 19 functional zone in roller-way foaming kiln, and multiple stage thermal treatment.Bulk ingredients melting in diaphragm capsule, easily walking askew at high operating temperatures after product foaming and intumescing, for preventing diaphragm capsule sideslip, adopting a set of anti-deviation roller rod and auxiliary mechanism thereof, by linear running, extruding kiln wall can be unlikely to and cause stifled kiln phenomenon after making each diaphragm capsule enter kiln.Roller rod adopts two fulcrum mixing to support, the Partner of kiln is that support roller supports, drive end is fixed support, Helical gear Transmission, many roller rods are driven to rotate by bearing support, large bevel pinion, transmission shaft, driving motor etc., impel diaphragm capsule to run from kiln hood to kiln tail, this transmission system occlusion steadily, uses reliable.
Roller-way foaming kiln adopts the mode of installing gas premixing conjunction flameless burner 11 or intelligent control small power high combustion rate burner 20 in kiln side to heat product.Different according to the function in each stage, kiln structure and burner are arranged also different.Heat up and the foaming workshop section side kiln wall intensive layout gas premixing conjunction flameless burner of staggered multiple spot or intelligent control small power high combustion rate burner up and down, at stable section side kiln wall staggered sparse layout gas premixing conjunction flameless burner or intelligent control small power high combustion rate burner up and down, high-temperature gas is ejection at a high speed in burner, realizes the high speed alternate cycles of hot gas flow in stove.Each segment length is according to the technological temperature curve reasonable Arrangement of multicellular glass.
Longitudinal divisions is carried out to foaming kiln and section subregion carries out automatic temp and control climate, can realize better heating up and cooling and atmosphere regulate, save energy consumption and accurate firing atmosphere in control kiln.Kiln inner structure is unique, and adopt overhead gage between section and section, lower firebreak separates, in kiln, spatial arrangement is reasonable up and down, and the height of burner distance product is suitable, and make hot gas flow circulation in kiln unimpeded, each section temperature is even.Automatically the multiple interlocking wicket closed systems opened and closed are responded to fiery curtain sealing.Only open a wicket when corresponding wicket position gone to by diaphragm capsule, each wicket is opened separately, is equipped with good fiery curtain sealing induction opening and closing mechanism 2 automatically between wicket and between kiln body.Multiple wicket is arranged side by side, and good seal between wicket, retrains mutually, is usually in sealed state.Only open a wicket when corresponding wicket position gone to by diaphragm capsule, when it enters kiln completely, automatic again wicket to be put down, return to closure state.This covering device can prevent flame from gushing out effectively, thus ensures kiln temperature and atmosphere, reduce gas consumption, and proterctive equipment is not by high temperature failure.Adopt special two cover sealed roller aperture apparatus, effectively solve the axial sealing problem of roller, prevent workshop condition from worsening, fuel economy and emissions reduction.
Adopt the automatic kiln discharge machine 4 of band special resistance to air loss, all to reduce during product turnover kiln and kiln atmosphere is affected, out need quicker de-mold afterwards and be transferred in annealing furnace to anneal from foaming kiln during high-temperature product simultaneously, overlong time diaphragm capsule shrinks and causes demoulding difficulty, and product sharply cooling can produce stress be difficult to eliminate, even cause product directly to ftracture.The automatic kiln discharge device of high temperature is primarily of compositions such as parting roller tables and line roller tables, motor, housings.The automatical and efficient operation of whole foaming kiln production line energy, meets the needs of scale operation.
Netted belt-conveyor lehr 20, for adopting expanded letter mesh belt transmission device, operates steadily, and annealing evenly.Through automatic demoulding e Foerderanlage, product is loaded in annealing furnace 20 burner hearth through feed mechanism 23 after product has foamed, advance to kiln tail from kiln hood under the drive of guipure, through the annealing temperature that different steps progressively reduces, product after having annealed again through discharging roller tables 21 kiln discharge.For realizing the operation of product kiln discharge automatic continuous production, carry out cutting piling and packing through transferring platform 18, transmission line 29 to surface trimming line 30 after the product of kiln discharge.Precisely full kiln is divided into stable section 22(as 1-4 district by processing requirement), holding-zone 24, Xu Leng section 25, rapid cooling section 26, tail cold section of 27 five functional sections.The widest nearly 3-6 rice in kiln, a row can enter kiln by holding multiple pieces product simultaneously, and length reaches 75-160 rice, and full kiln liner adopts novel light lagging material and insulation fibre cotton.Kiln is inner is provided with multiple lapse of temperature district, each warm area correspondence independently Controlling System from import to outlet.Improve labour productivity, reduce floor space, unit cost significantly reduces, constant product quality, can fire the large, medium and small product waiting all size, realize scale operation.Product can run in order, efficiently according to operational path, energy-saving and emission-reduction, improves conforming product rate and quality.
Annealing furnace 20 adopts unique inner-cavity structure, and adopt hot air circulation reutilization technology, hot blast carries out pump circulation through circulation device 19.Have multiple airflow circulation passage, the flames of anger and flue gas in working spaces in the middle of kiln wall, in chamber air flow energy well efficient circulation flow field in order, impels that each section of kiln has a narrow range of temperature, energy consumption is low.
The composite heating system of annealing furnace 20 and refrigerating unit 17.In composite heating system, flameless burner 15 and electric heater unit 16 combine.After product after foaming sends into annealing furnace rapidly, for ensureing that its certain annealing temperature maintains 3 ~ 6h, adopting bottom blowing to add top suction form, coordinating advanced flow field channel.Both ensure that product annealing temperature needs, meet again in-furnace temperature even, whole kiln production line heating system connection and reasonable arrangement.For guaranteeing the uniform sequential decline of annealing temperature, spy has been equipped with refrigerating unit 17 in annealing furnace 20 posterior segment.
Whole production line adopts Intelligent full-automatic control system 14 and the technology controlling and process software of the advanced person of independent research.System all adopts full automatic control, adopts DCS Controlling System decentralised control centralized management.If an active station and an engineer station realize, redundancy is standby mutually to be controlled, all adopt industrial computer to add configuration programming and complete control and management function, advanced computer control system is utilized to make the operation of kiln become easy and directly perceived, control mode is Fieldbus Control, fully to ensure the stability of control process.This production line is furnished with Multistage Control unit, and the control unit of subordinate adopts PLC+ industrial computer interlocked control, ignition order, combustion completion, temperature automatically controlled, monitoring alarm, data acquisition and communication is combined as a whole.Modern safety and warning facility, scientific chain programming, improves security and the reliability of furnace operation greatly, makes the regulating and controlling of kiln more accurate.All blower fans adopt variable frequency control, accurately control pressure and the cooling temperature of each pressure spot, to ensure the stable of calcining system, and can saves energy and combustion gas energy consumption.
Claims (3)
1. produce the high-efficient energy-saving kiln production line of high-performance foam glass for one kind, it is that the roller-way foaming kiln and an expanded letter netted belt-conveyor lehr that are run side by side by a several piece diaphragm capsule and automatic control system combine, it is characterized in that: described roller-way foaming kiln is Wide Band Oxygen Sensors, many wickets assembled frame structure, liner lightweight refractory and insulation fibre cotton, additional paint-baking decorative plate, kiln hood is provided with and automatically enters kiln machine (3), kiln tail is provided with automatic kiln discharge machine (4), be provided with the sealing of fiery curtain between wicket and kiln body automatically to respond to opening and closing mechanism (2) and realize multi-door interlocking, roller rod is transmitted as variable frequency adjustment and controls, and at the intensification of kiln thorax (1) and the foaming workshop section side kiln wall staggered intensive layout heating unit of multiple spot up and down, at stable section side kiln wall staggered sparse layout heating unit up and down, the turn-around be made up of line line and file line (13) is end to end provided with outside kiln, line line and file line (13) junction are provided with turning lifting gantry end to end, and on file line (13), set gradually blowing mechanism (6), spray body (7), charging mechanism (8), vibrating mechanism (9) and press-powder mechanism (10), kiln tail line line is provided with automatic demoulding mechanism (5), described annealing mesh-belt kiln (20) is assembly type expanded letter skeleton construction, liner light heat-insulating material and insulation fibre cotton, additional paint-baking decorative plate, kiln hood is provided with automatic feed mechanism (23), kiln tail is provided with discharging roller tables (21), kiln intracoelomic cavity is provided with the hot air circulation re-use device controlled by blower fan (19), airflow circulation passage is provided with in the middle of kiln wall, flameless burner (15) is distributed with at the front end kiln wall staggered sideways of kiln body, stage casing composite energy-saving electric heater unit (16), back segment has been equipped with refrigerating unit (17), each section is all provided with independently control device, transferring platform (18) and transmission line (29) is provided with between discharging roller tables (21) and surface trimming line (30), surface trimming line (30) is connected with finished product transfer limes (28) by turning hoisting appliance, described automatic control system all adopts full automatic control, adopt DCS Controlling System decentralised control centralized management, if an active station and an engineer station realize, redundancy is standby mutually to be controlled, all adopt industrial computer to add configuration programming and complete control and management function, advanced computer control system is utilized to make the operation of kiln become easy and directly perceived, control mode is Fieldbus Control, fully to ensure the stability of control process, this production line is furnished with Multistage Control unit, the control unit of subordinate adopts PLC+ industrial computer interlocked control, by ignition order, combustion completion, temperature automatically controlled, monitoring alarm, data acquisition and communication is combined as a whole, modern safety and warning facility, scientific chain programming, improve security and the reliability of furnace operation greatly.
2. the high-efficient energy-saving kiln production line of production high-performance foam glass according to claim 1, it is characterized in that: described heating unit both can adopt gas premixing to close flameless burner (11), also can control small power and to gather high velocity burner (12) by adoption rate.
3. the high-efficient energy-saving kiln production line of production high-performance foam glass according to claim 1 and 2, it is characterized in that: described roller-way foaming kiln inner width 2 ~ 3 meters, overall length 30 ~ 60 meters, be 19 functional zone by processing requirement by full kiln cutting, in kiln, roller rod adopts two fulcrum mixing to support, Partner is that support roller supports, drive end is fixed support, Helical gear Transmission, pass through bearing support, large bevel pinion, transmission shaft, driving motor drives, every root roller rod is arranged on kiln within the walls by two cover sealing roller aperture brick, by the rotation of many roller rods, diaphragm capsule is run from kiln hood to kiln tail, annealing mesh-belt kiln (20) kiln is wide 3 ~ 6 meters, and overall length 75 ~ 160 meters, full kiln is divided into stable section (22), holding-zone (24), Xu Lengduan (25), rapid cooling section (26) and tail cold section of (27) five functional section.
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| CN106839759A (en) * | 2015-12-04 | 2017-06-13 | 湖北华远窑炉有限公司 | Production line is automatically fired for producing magnetic material |
| CN107417124A (en) * | 2016-05-24 | 2017-12-01 | 胡斯友 | For producing environmentally friendly pumice automatic production line |
| CN109053209A (en) * | 2018-08-10 | 2018-12-21 | 北京工业大学 | A method of control foamed ceramic furnace reduction atmosphere |
| WO2021031773A1 (en) * | 2019-08-19 | 2021-02-25 | 科达制造股份有限公司 | Foamed ceramic production system and production process thereof |
| CN114953524A (en) * | 2022-05-25 | 2022-08-30 | 临海伟星新型建材有限公司 | Continuous annealing process for plastic pipe |
| 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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| WO2021031773A1 (en) * | 2019-08-19 | 2021-02-25 | 科达制造股份有限公司 | Foamed ceramic production system and production process thereof |
| CN114953524A (en) * | 2022-05-25 | 2022-08-30 | 临海伟星新型建材有限公司 | Continuous annealing process for plastic pipe |
| 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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| CN104909547B (en) | 2017-03-15 |
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