CE 8- Wire Electric Heat Treat Furnace Continuous Wire Anneaing 2 - 5MM Wire

CE 8- Wire Electric Heat Treat Furnace Continuous Wire Anneaing 2 - 5MM Wire

8-wire Heat Treat / Treatment Furnace Continuous Wire Anneaing 2 - 5MM Wire

Continuous online steel wire annealing furnace is mainly composed of furnace body, stainless steel pipe, heating

elements and fixing devices, electrical control system, and furnace temperature automatic control system.

heat treatment furnace/heat treat furnace/ steel wire annealing furnace 

1. Technical parameter heat treatment furnace/heat treat furnace/ steel wire annealing furnace

2. Construction heat treatment furnace/heat treat furnace/ steel wire annealing furnace

furnace body 

2.1.1 Furnace shell:

The outer wall of the furnace welded with Q235 plate with the thickness of 3 mm. It welded by 10 # section steel and 8 # section steel. The furnace has the advantage of firm structure, reliable and durable performance.

2.1.2 Furnace lining:

The steel wire annealing heat treat furnace lining is all-fiber structure. It adopts high-quality high-temperature refractory

fibers, standard stainless steel round parts and scientific and reasonable mounting method. The aluminum fibers are

pre-compressed into blocks (compression gravity: ≥230Kg/m3 ) and then fixed to the furnace body by round stainless

steel parts. The installation thickness of the insulation material is ≮350mm. The structure has low heat

conductivity, strong anti-shock capacity, and anti-erosion. The aluminum silicate fiber resists a maximum

temperature of 1200℃. The material of round steel is 1Cr13 round steel. The lining has the effect of rapid

heating and heat preservation.

The bottom is made of heavy refractory brick and mullite brick. The expansion joints of refractory bricks are

retained in masonry to prevent the expansion damage of lining when heated. Every 400 mm, a shaped brick

is used to fix stainless steel pipes (the wire mesh inside the shaped brick prevents the cracking of the

shaped brick leading to the deformation of the stainless steel pipes). The two sides of each shaped

brick are fixed with stainless steel splints.

2.1.3 Furnace body heating element:

The heat treatment furnace employs high-quality high-resistance alloy material 0Cr21AL6Nb which is processed into

corrugated resistance bands. They are installed on the bottom of the furnace body to ensure that they are

not damaged during processing. The furnace has 6 heating zones. The arrangement of heating elements

corresponds to that of heating zones. An independent heating group is arranged in each heating zone.

All lead-out rods are made of φ16 0Cr25AL5 material. The special industrial chucks are used for

lead-out rods to ensure firm and reliable wiring.

2.1.4 Heating elements

The heating elements adopt high quality high temperature alloy belt in order to meet long term

use at the temperature of 950 ℃. The furnace lining adopts aluminum silicate refractory fiber.

The heat treatment furnace is equipped with 8 stainless steel tubes for wires going through. The specification

of the tube is Ø32×3.5mm, 20.5meters length. The tube material is 310S(Cr25Ni20Si2)

which has the advantage of durability at high temperatures. Each pipeline is equipped

with protective gas joint. The cooling groove at the pipe outlet is provided with a sealing

connecting device. The inlet is equipped with guide device to ensure that the wire runs

in a straight line in the pipeline. And the thermal expansion device of the pipeline is also equipped in the furnace.

2.1.5 Cooling tank

The cooling tank is made of 5 mm thick iron plate by pressing and welding, and the frame

is welded with 10# and 8# Q235 steel. There are 8 stianless steel tubes sealed and welded

with heating tubes. The stainless steel tube material is 304 (1Cr18Ni9), and the size is

Ø32×3.5mm. The tank is equipped with inlet and outlet water to ensure rapid cooling of

annealed parts. The effective cooling pipe length is 8.5 meters.

2.1.6 Ammonia decomposition device

The heat treatment furnace has ammonia decomposition and purification device.

Using liquid ammonia as raw material, under the action of catalyst, heating decomposition

to obtain hydrogen and nitrogen mixed gas containing 75% hydrogen and 25% nitrogen.

2.1.7 Temperature control system

Temperature control: the furnace adopts Shanghai Guolong intelligent temperature

controller to control the temperature which has self-tuning function to calculate the

ideal PID parameter and achieve temperature stability. The temperature controller

has the functions of over-temperature alarm and thermal couple breakage protection.

The heating loop adopts the SCR and trigger control. The output heating power can

be changed to achieve temperature control.

The over-temperature alarm system is sound and light alarm which ensures the

safety of workpieces and equipment in furnace.

All main control devices, such as AC contactors, fast fuses, intermediate relays,

stroke switches, operation switches, buttons, signal indicators, and operation and

display devices are the brand of CHINT. The current and voltage indicators are

sensitive, accurate, reliable and long service life.

Electrical control cabinet: The cabinet body adopts the control cabinet

manufactured by professional manufacturers in accordance with international

electrical standards. The size, structure and color of the cabinet conform to the

standards commonly used at home and abroad. The installation, wiring and

identification of the devices in the cabinet conform to the relevant standards.

Copper core insulated wire is used to connect the control cabinet to the main

circuit of the furnace body; special line number material is used for all line

number markings, which can be printed regularly to avoid line number falling

off; and line number markings are provided for every two meters interval in

all underground ditches to facilitate inspection of each line during maintenance.

3. Supply scope heat treatment furnace/heat treat furnace/ steel wire annealing furnace

Company Info: our company is a professional supplier of heat treat/ treatment furnaces such as

box type heat treatment furnace, bogie type heat treatment furnace, pit type heat treat furnace,

carburizing heat treatment furnace, nitriding heat treat furnace, salt bath heat treatment furnace,

steel wire annealing heat treat furnace, etc.