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Mould Roaster Product Introduction

模壳焙烧炉 简介 I. Brief introduction of mold shell roasting furnace

The mold case roasting furnace is a gas-pumped bottom furnace flame furnace, which uses the characteristics of imported industrial furnace equipment. After our factory has made further improvements in performance and technology in accordance with China's national conditions and use conditions, it has now been used by dozens of users. It has been successfully used for many years. Practice has proved that this product technology is very mature. According to user feedback, it shows that it has significantly lower energy consumption, uniform temperature, environmental purification, and convenient maintenance compared with the conventional furnace type. The furnace uses the flame to radiate heat upwards and meets the arc top to rotate downward to the middle flue, which effectively controls the uniformity of the furnace temperature and the utilization of thermal energy. The furnace is mainly composed of furnace body (including furnace lining), door, furnace car, combustion system, smoke exhaust system, sealing, temperature control and recording. The liquefied gas combustion trolley furnace is an advanced energy-saving periodic operation furnace with ultra-energy-saving structure. The trolley adopts impact-proof sealing bricks. The furnace door adopts a hand wheel and a spring-type automatic pressing mechanism to automatically seal the trolley and furnace door. Linked rails, without foundation installation, can be used on horizontal ground. 45 钢、不锈钢等淬火、退火、时效以及各种机械零件热处理之用。 Mainly used for shell baking, high chromium, high manganese steel castings, nodular cast iron, rolls, steel balls, 45 steel, stainless steel and other quenching, annealing, aging and heat treatment of various mechanical parts.

模壳焙烧炉 结构特点: Structural features of mold shell roasting furnace :

     OSM-1260 作隔热保温材料,外壳为轻型钢结构骨架。 The furnace door uses high-aluminum fiber module OSM-1260 as heat insulation material, and the shell is a light steel structure skeleton. Adopting special spring and cam mechanism automatic compression and soft edge sealing device, the furnace door can be automatically compressed to ensure that the furnace is always in the sealed state during the production process, to prevent the escape of high temperature furnace gas, improve the working environment, and ensure that the furnace temperature is uniform And enhance energy saving effects.

The surface of the trolley is heavy-duty brick for the bearing layer to ensure the compressive strength. CrMnN 浇铸成型的炉底板,待处理模壳安放在炉底板上。 On the load-bearing layer, a flower wall is made of high-strength refractory bricks to facilitate combustion. The floor of the flower wall is covered with a CrMnN casting furnace floor, and the mold shell to be treated is placed on the furnace floor. The heat insulation layer is divided into two layers, the first layer is diatomite brick, and the second layer is light clay brick to ensure the heat insulation effect. Around the trolley, heavy shaped refractory bricks are used to increase the strength. The frame is composed of a cross beam and a longitudinal beam. Its rigidity ensures smooth operation under full load and heavy load without deformation. The trolley drives the driving wheel dragging platform through the motor mounted on the body, the cycloid pin gear reducer, and the gear. The car goes in and out. The trolley enters and exits the furnace with a double insurance limit mechanism and a chain mechanism of the furnace door to ensure safe operation.

The flue gas is drawn from the furnace tail flue, and is finally discharged from the chimney through the preheater and the exhaust fan. The flue and chimney are made of welded steel plates and steel pipes, and the flue is lined with thermal insulation material. Air preheating uses a tubular preheater with insert. 0 400 ℃,可节约 20% 左右的能耗。 Air preheating temperature is 0 to 400 ℃, which can save energy consumption by about 20% . GB4272-84 《设备及管道保温技术通则》采用保温材料进行保温 . The hot air pipes coming out of the heat exchanger are heat-insulated in accordance with GB4272-84 ` ` General Rules for Equipment and Pipe Insulation Technology '' .

100m-150m/s 的速度喷出,从而达到强化对流传热,促进炉内气流循环,达到均匀炉温的目的,使炉温均匀在≤± 15 ℃。 High-speed burner is basically complete combustion of fuel and combustion air in the combustion chamber. High-temperature gas after combustion is ejected at a speed of 100m-150m / s , so as to enhance convective heat transfer, promote air circulation in the furnace, and achieve uniform furnace temperature. The purpose is to make the furnace temperature evenly ≤ ± 15 ℃.

     The burner in each zone of the furnace is equipped with a dedicated controller, which can be operated on site. There are burner control buttons and work indicators on the main control cabinet. The ignition control and observation of the burner can be operated on the instrument cabinet (or every Changming flames are installed in the zones respectively, and automatic temperature control is implemented at low temperatures).

     Electrical control cabinet (screen): The cabinet uses a control cabinet manufactured by a professional manufacturer in accordance with international electrical standards. The size, structure, and color of the cabinet must conform to the standards commonly used at home and abroad, and the device installation, wiring, and identification in the cabinet must meet relevant standards.

And characteristics:

模壳焙烧炉优点: Third, the advantages of mold baking furnace:

20% 以上,隧道炉加热部位按照功能分为三区:预热区、加热区、保温区,便于模壳经预热后,快速升温达到焙烧效果。 1. Mould baking furnace has more than 20% energy saving effect than other furnace types (carriage-type baking furnace) . The heating part of the tunnel furnace is divided into three zones according to functions: preheating zone, heating zone, and heat preservation zone. After heating, the temperature is rapidly increased to achieve the roasting effect. At the same time, it is synchronized with the work of the intermediate frequency furnace, saving time and energy and continuous operation.

8550 大卡 / 立方)提供热源,升温速度大大提高,并且完全可以实现全自动控温功能,环保达标,属于国家“十二五”规划大力推广的燃料资源。 2. The gas-type mold shell roaster uses natural gas as a high-calorie fuel (calorific value: 8550 kcal / cubic) to provide a heat source, greatly increasing the heating speed, and can fully realize a fully automatic temperature control function, which meets environmental protection standards. Fuel resources to be vigorously promoted in the Twelfth Five-Year Plan.

3. Mold shell roasting quality is high. 15 度左右。 The mold shell is placed on the bottom of the heat-resistant steel furnace (or small cart) in an orderly manner, and the temperature difference between the upper and lower mold shells is reduced to about 15 degrees.

4. Burner: (Zhongwei patent) natural gas special burner, combined with the temperature rise of water glass mold shell, to prevent flame over-burning phenomenon. Depending on the structure of the furnace, a straight flame or flat flame burner can be used to greatly reduce mold burn. Loss rate to improve the quality of mold shell roasting.

5. Full-automatic temperature control system: automatic ignition, flameout alarm, automatic shut-off of gas source, improved safety and reduced operator labor intensity.

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