This furnace is mainly used for continuous automatic heat treatment of high chrome ball and cylpeb.
Quenching Furnace It mainly consists of pushing machine, heating furnace,unload machine, oil tank, swing lifting quenching machine, oil circulation system, watercirculation system, control system, hydraulic control system and tooling rotary mechanism, etc.
1. Pushing machine
Push machine as a feeding and push platform, has sufficient strength, composed of support and push cylinder. The support is made of high quality section steel and steel plate welding, and is fully considered to bear the large load the stiffness of. The pushing machine adopts hydraulic cylinder, smooth operation, adjustable speed and accurate positioning.
2. Heating furnace
Quenching heating furnace is the main engine of the heat treatment furnace, mainly composed of furnace shell, thermal insulation material, refractory material,co 2.1 Main structure The furnace shell is made of high quality steel, welded with outsourcing steel plate, and takes full consideration of air tightness and the steel structure strength. The furnace adopts brick cotton fire-resistant composite structure, with good thermal insulation effect,Long service life and other advantages. The heat surface of the furnace is made of double-layer light refractory brick with high fire resistance,Yes, the furnace lining is filled with a high temperature blanket, which effectively prevents the structure from changing the heat of the furnace pressurelet out. Improve thermal efficiency. The furnace door lifting adopts the oil cylinder. Stable and reliable, with adjustable speed. 2.2 Heating system The heating furnace adopts the continuous furnace structure, technical parameters and control requirements, in the overall technology based on the research of technical performance and selection of main components, specific technical schemes such as below: Combustion and control system The combustion system includes: burner, combustion control valve parts, actuator. The control system includes: all kinds of instruments and meters, detection and monitoring components, automatic control unit, etc. Empty flue gas, natural gas pipeline system, is a part of the combustion system. It is the conveying combustionand air, flue gas medium channel; Pipeline design independent support system to ensure the seismic and stability of the pipeline. Need personnel maintenance, set up maintenance platform, suspended part, withpersonnel barrier. Meet the requirements of the industrial production safety code.
2.3 Vent ventilation pipeline Natural gas pipeline The main gas pipeline of the furnace is with the valve of the workshop supply main located near the furnace body Even, the natural gas header (user provided) is equipped with manual shut-off valve, gas pressure relief valve and pressure table, pneumatic quick cut-off valve, gas pressure switch, release valve, etc., when the main pipe gas pressure is low the system will automatically and quickly cut off the gas and alarm. Each fuel gas branch line is separately equipped with fuel gas flow regulating valve and inlet gas solenoid valve, so as to facilitate the operator to adjust according to the furnace temperature requirementsrate of flow. All the steel pipes of the gas pipeline are seamless fluid conveying pipes, and the installation and construction shall strictly follow the standardConstruction, construction after the completion of the use for air tightness testing, to ensure the safety of personal and equipment.
Air pipeline Air pipeline is divided into cold air pipeline and hot flue gas pipeline. The cold air pipe is the channel for the blower to provide combustion air for combustion and provide combustionOxygen required for burning; The hot flue gas pipeline is used for exhaust through the strong exhaust flue gas channel of the induced draft fanFlue gas after heat storage and cooling down. The pipeline comprises the fan and the main pipe and branch pipe to each burner, etc. The blower is high pressure energy-saving low noise new fan, induced draft fan for high temperature and low pressure fan; Burner line installed the heat-resistant steel expansion joints and manual regulating valves for buffering pipe heat deformation.
2.4 basket guide rail Because the basket works at high temperature for a long time, the heat-resistant steel is precision cast and used for materialCr 25Ni 20 (Ni 7N), with good thermal stability and strength at high temperature. In order to make grinding media in the basket are heated evenly, basket around and bottom through hole design. The rail structure of the furnace is the sleeper structure, the track adopts precision section casting and installation, with a thermal expansion room between the track and the track gap, effectively overcome the expansion vault phenomenon of the furnace orbit.
2.5 Unload Thebasket is pulled out by the roller and enters the automatic turning holder. The flip is driven by the oil cylinder and is located at the turn material fight just below. Flip the material.
2.6 Basket rotation mechanism The rotation of the basket is completed by worker operation, with special driving and single arm track.
3 Quenching oil tank, quenching machine, oil circulation and water circulation The quenching oil tank is made of steel plate and section steel welding, and strict leakage prevention test after manufacturing.Ensure safe sealing during use. At the bottom of the pool design, there is a strong convection vent, nozzle and leave enough blockage distance at the bottom of the pool to avoid impurities and oxidation skin produced in the production process plug the nozzle, thus affecting the liquid convection effect in the pool. In order to ensure that the quenching solution in the tank is quenching during the process, the temperature is guaranteed within a certain range, and a heat-resistant centrifugal oil pump is equipped to pass the hot oil through the hot oil The pump is pumped to the cooling tower and cold water for heat exchange, and the cold oil is returned to the pipe through the pool to reduce the oil temperature.And through the bottom of the pool, the high pressure cold liquid flow in the pool strong convection, thus uniform pool internal quenching oil temperature, improve the quenching quality. Avoid impurities entering the pump, keep at the pump inlet. Filter screen and auxiliary fuel tank. In order to facilitate maintenance and cut off the pipeline, multiple sets of valve parts are equipped on thepipeline.The quenching machine is composed of frame, cradle and shaft, bearing, pulley, guide column and oil cylinder.frame and the cradle is welded from section steel. The cradle is placed in the frame, with the top passing through the cylinder and the upper frame.The frame is connected, the top frame is fixed in four guide columns mounted on the inner wall of the pool, and the cradle frame passes through the eight rollers can be lifted up and down along the guide post, with the cradle rotating along an axis fixed at the bottom of the frame, given by the swing oil cylinder fixed to the upper part of the frame provides the power.
Tempering Furnace Mainly composed of pushing machine, heating furnace, hot air circulation system, unload, control system and hydrauliccontrol system and tooling rotary mechanism.
1. Pushing Machine
The push machine as a feeding and push platform, has sufficient strength, by support and push oil the cylinder composition. The support is made of high quality section steel and steel plate welding, and is fully considered to bear the large load the stiffness of. The pushing machine adopts hydraulic cylinder, smooth operation, adjustable speed and accurate positioning.
2. Heating furnace
Tempering heating furnace is the main engine of the heat treatment furnace, mainly composed of furnace shell, thermal insulation material, refractory material,composition of heating element, quenching basket, rail system, temperature control system and computer program system. 2.1 Main structure The furnace shell is made of high quality steel, welded with outsourcing steel plate, and takes full consideration of air tightness and the steel structure strength. The furnace adopts brick cotton fire-resistant composite structure, with good thermal insulation effect,Long service life and other advantages. The heat surface of the furnace is made of double-layer light refractory brick with high fire resistance,Yes, the furnace lining is filled with a high temperature blanket, which effectively prevents the structure from changing the heat of the furnace pressurelet out. Improve thermal efficiency. The furnace door lifting adopts the oil cylinder. Stable and reliable, with adjustable speed. A fan is placed on top of each zone, and the corresponding air duct is set to improve the temperature uniformity in the furnace, and the circulating fan is linked to the burner, and the burner cannot be ignited when the circulating fan is not opened. 2.2 Heating system The furnace is heated by natural gas and arranged on the top side of the furnace body. Main technical parameters: Heating method: natural gas combustion Layout power: 600kw Arrangement mode: the top of both sides Control mode: PID control Temperature control: independent automatic control in the 6 area Temperature control meter temperature control accuracy: ± 1ºC
2.3 basket guide rail Because the basket works at high temperature for a long time, the heat-resistant steel is precision cast and used for materialCr 25Ni 20 (Ni 7N), with good thermal stability and strength at high temperature. In order to make grinding media in the basket are heated evenly, basket around and bottom through hole design. The rail structure of the furnace is the sleeper structure, the track adopts precision section casting and installation, with a thermal expansion room between the track and the track gap, effectively overcome the expansion vault phenomenon of the furnace orbit.
2.4.Turn the material basket over The material basket is pulled out by the roller and enters the automatic turning holder. The flip is driven by the oil cylinder and is located at the turn material Fight just below. Flip the material.
2.5 Basket rotation mechanism The rotation of the basket is completed by worker operation, with special driving and single arm track.
Hydraulic station All the working power of the quenching furnace is provided by two hydraulic stations, which is simple and efficient. Hydraulic station and oil the cylinder and the high-pressure oil pipeline form the hydraulic control system. The key components of the hydraulic station and the oil cylinder are well-known brand, strict test before the factory, excellent technical performance. Purifying treatmentbefore pipeline installation,Ensure the safety and stability during the use process.
procedure control system The process action of the heat treatment furnace is controlled by a set of PLC program controllers and available imported touching screen, the main process parameters can be set and modified through the man-machine dialogue window, soft at the same time equipped with combustion animation and furnace picture, can intuitively understand the work of the furnace, and have a reason barrier point display to facilitate troubleshooting. The power lines installed outside the cabinet are oil-resistant silicone wire, and the control elements are Siemens, Mitsubishi, and Omron brands. The touch screen uses a capacitive screen. All motors are equipped with thermal relay protection to improve the motor overload phenomenon and protect the motor.
Audited Supplier 
){kind=link}