Lf-typed ladle refining furnace is used for refining molten steel from primary melting furnace (eaf or convertor), can create a slightly positive pressure reducing atmosphere, apply such means as submerged arc heating, argon stirring, white slag refining, alloy composition trimming, wire feeding under the atmosphere to conduct degassing, desulfuration, decontamination for hot metal, and accurately control the ingredients and temperature of molten steel. The equipment also has an effect of buffering and adjusting continuous casting links. It consists of: Transformer for electric furnace, network, electrode lifting and lowering device, ladle lid and ladle lid lifting and lowering device, heating bridge frame, steel ladle, ladle carrier, wire feeder, argon regulating system, water cooling system, compressed air system, hydraulic system, temperature measurement and sampling system, automatic charging system, high-voltage power supply system, low-voltage electrical control system and automation system, etc. Type of lf furnace : Bridge type or the type with independent rack mount and furnace cover; single arm or three-arm; ladle revolving platform or furnace lid rotary type, etc.
VOD Vacuum Ladle Refining Furnace Vd / vod type vacuum refining furnace can adopt either single or dual station. Overhead, pit or vehicle-mounted arrangement can be selected for vacuum tank. Unscrewing and vehicle-mounted movement are optional ways for movement of the vacuum tank It consists of: Vacuum tank, vacuum tank cover and lifting mechanism of the cover, steel ladle, oxygen lance mechanism, vacuum charging device, temperature measurement and sampling and observation system, oxygen system, argon system, cooling water system, vacuum pump system, etc. Technical parameters Rated capacity
SHS type black annealing equipment specializes in heating steel pipe to black annealing treatment temperature, and then cooling it to indoor temperature by water. Advanced inductor heating power is new type DSP+IGBT structure energy-efficient production. It is IGBT inversion and employ DSP do full digital accurate control, full air cooling structure (inductor water cooling) reduces system loss. It has set with self-protection and self-diagnostic function. It can save about 15% energy than congeneric product. Material applied: 300series austenite, 400 series ferrite, dual-phase steel (Note: According to pipe diameter,thickness and production speed to match power. Moreover, the steel pipes need to be pickled after annealing.)
1.Power system a.Medium frequency power that inverter by IGBT transistor b.Slot compensation power 2.Movable bright annealing section and cooling tunnel c.Induction heating section d.Heat preservation section e.Cooling water tunnel f.Gas protection device g.Infrared thermometer h.Gas pressure detector i.Circulating-outside water colling system 3.Electrical control system
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Biomass dry distillation carbonization furnace is Dingli new model products. The machine adopts an advanced thermal dry distillation carbonization technology. It greatly increases the carbonization rate from 85% to 98%, which is an easy operation, safe and protection environmental, and high production efficiency, which can save a lot of energy. It is the ideal equipment of coal, gas, oil, power plant. More sets of combined distillation carbonization furnace use the hoisting composite structure. It uses the hanging from the cooling method to shorten the production product date. And the efficiency of charcoal production is improved. meanwhile using a unique carbon gas (volatile hydrogen material and tar etc.) back burning technology. The flue gas produced by carbonization is sufficient usage. In addition to satisfied the demand of heat stove, to achieve energy conservation and environmental protection requirements. The excess gas can be a heat source for dryer, which can save a lot of fuel in the production. That improves the benefit of the enterprise. Carbonized without using dynamic electricity. It uses mobile production, simple and convenient operation. It is an ideal equipment for large-scale charcoal production.
Dingli horizontal dry distillation carbonization furnace is specially used for log, wood, jute stick, and other long rod-type biomass characteristics adopts horizontal structure, cart entry, and exit raw material and the advanced hot gas dry carbonization process technology, using a unique carbonization flue gas (volatile hydrogen material and tar, etc.) Back Burning Technology, make full use of the flue gas produced by carbonization process, meet the thermal needs of carbonization furnace itself, greatly increase the carbonization rate, the carbonization rate increased from 80% to more than 95%, and easy to operate, safety and environmental protection, high production efficiency, can save a lot of energy, is the ideal equipment for carbonizing the long rod type biomass material. The combination mode of multiple devices, use carbonized flue gas in tandem, can reduce fuel consumption during carbonization production and improve the enterprise benefit.
Dingli biomass dry distillation carbonization furnace is composed of a carbonization furnace body, furnace cover, inner tank, material cage, combustible gas return pipe, exhaust pipe, flue gas dust removal device, tank lifting device, and thermometer. The furnace adopts the principle of anaerobic dry distillation to remove the volatile substances in the biomass and achieve the purpose of biomass carbonization. Carbonization process has four steps: charging sealing furnace - preheat drying - anaerobic carbonization - cooling carbon.
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Induction heating furnace is mainly applied for high temperature graphitization treatment of C/C, graphite, carbon fiber insulation refractory materials.
Horizontal Sinter furnace is mainly used for reaction sintering, low pressure sintering, re-crystal sintering, HIP sintering of Sic ceramic product and it can also applied for sintering of Si3N4a and other ceramic parts.
Continuous pre-oxidation furnace is applied for continuous pre-oxidation treatment under controlled atmosphere of PAN based, asphalt based, viscose based carbon fiber and its felt material.
Continuous carbonization furnace is mainly used for the continuous high temperature carbonization under controlled atmosphere of all carbon fibers, silicon carbide fibers and felt materials. It has mesh belt type and no belt type and it is equipped with optional continuous activation and high temperature graphitization treatment.
Horizontal CVD furnace (Carbon) is applied for composite material CVD that used hydrocarbon gas (like C3H8) as carbon sources, which works on CVD and CVI treatment for carbon materials.
Horizontal CVD tube furnace (Silicon Carbide) uses methyltrichlorosilane (MTS) as air source to make material surface oxidation resistant coating and change characters of matrix material.
Vertical CVDtubefurnace (Silicon Carbide) adopts methyltrichlorosilane (MTS) as air source to make material surface oxidation resistant coating and change characters of matrix material.
Horizontal vacuum carbonization furnace is applied for high temperature carbonization treatment of C/C, carbon fiber insulation material and high thermal conductivity graphite film.
Vertical vacuum carbonization furnace uses graphite as healing element with carbon heating environment, which max. temperature can reach above 1600°C. It is used for high temperature carbonization and cracking treatment of C/C composite material, ceramic matrix composite material and carbon fiber insulation material. And the vertical carbonization tubefurnace can also adopts all metal hot zone without carbon heating environment, which max. temperature is 1100. It is used for debinding and sinter of special materials in aerobic environment.
Horizontal vacuum pyrolysis furnace is used for vacuum pyrolysis sinter process of C/C, carbon or ceramic composite material.
Description Vertical vacuum pyrolysis furnace is used for vacuum pyrolysis sinter process of ceramic-matrix composite material. Technical Features 1. The vacuum pyrolysis tube furnaces have sealed high temperature pyrolysis chamber, great contamination proof feature and easy maintainence. 2. For large size furnace, it will be designed to multiple temperature control zones to improve the temperature uniformity. 3. It is equipped with external rapid cooling system to shorten the production cycle. 4. Multiple stage exhaust gas treatment system is adopted to handle the tar, dust and gasses.
