News

Understand the heat treatment process •♦friends understand the anne±≠↕aling furnace, annealing λδ€↔furnace is widely use®↓d in chemical plants, crude oil, foo≠>dstuffs, metallurgical industry, machin§×ery and equipment, light industry,​÷ power engineering, ships, paper indust‍>ry, mining, pharmaceutic§↔al industry, centraliφ∞sed heating and other industries, such✘♣ as heating, cooling, cold suspΩ♠• ected, volatility and other t₽© ♥echnological processes oβ‌f operation.

Principle of annealing furnace:　　

According to the fan circulation system≠‌÷ so that the anneali±∑ng furnace temperature inside ♠®the furnace chamber all over the propor•✔tion, annealing furn€‍λace 2 furnace chamber room can be o→®perated separately, enhance the annea×♥ling of high efficiency, each f§®&urnace chamber is two fans,‌ σ but there is no gas filtration syste→♥↓≠m, there is a discrepancy with the actuφ>al situation. According ♣'≥ to the fan circulation system to m↔¥ake the temperature in♥←♣ε the furnace spread evenly, accordi♥δα∑ng to the heat treatment process to≠∞• recombine the plastic film raw mate§§↕rial macro-construction, tγφ∑o enhance the reliabiσ↑$lity and conversion of high-effi↕♠δ<ciency. The casting ↕♦ 'parts are heated to 950 ℃ ♠×←up and down, insulated and kept warm fo♠≥r a certain period of time and÷∑ then cooled moderately, which ™ γ₽is used to remove the t₹♠hermal stress of steel casting parts ≥λ¶πand welding parts. For steel produc§÷​ts heated gradually p✘®roduce martensite temperatureλαλ of the following 100 ₹  to 200 ℃, insulation ↔♠∑"and heat preservation after cooling in β>↑"the air, you can remove§ε'" thermal stress.

A method of heat treatmentπ © of metallic materials in£±←Ω which the material is h¶←&eated slowly to a certain temperature,≈∏ held for a good length of ®¥time, and then cooled at a suitable ₩₩☆rate (usually slowly, sometimes&← manoeuvrably). The purpα¥ose is to make the raw material o↔δ↕r product workpiece produced b✔π>y casting, forging, welding or drilli✔ ↕ng soften, improve plasticity a←♦₹nd ductility, make the compos→✔₽ition of the homogeneous, rem∏φ↑£ove the residual stre↔ ≈φss, or to obtain the desired mechaniλδ≠>cal properties. Annealing prπ>€ocess with the purpose of ™→'the different and there ar​♥λ¥e a variety of differentε<• processes, such as recrystallisaα ♥•tion annealing, isothermal process★ ↑ annealing, homogenisation annealing, g•£→rey cast iron annealing, rem ₽≤ove internal stress annealing, pla∏εstic deformation annealing, and its ant>÷÷i-aging annealing, ele×Ωγ↕ctromagnetic field an£¶↕÷nealing these.

Annealing furnace role　　

1、Improve or exclude steel in cas☆λ₽γting, casting, cold rolling and weld≤→ing welding operations in the proπ™±♦cess of various types of institut ±>↓ional shortcomings and their r±↔≤esidual stress, to avoid produc©βt workpiece deformati™★on, cracking.

2, soften the product→γ→> workpiece to facilitate turn π✘♥ing production and processin≈♦​g.

3、Optimise the crystal and improve t₹±he mechanism to enhance the ‍☆± physical properties of the castings.☆↔ 

4, for the final heat treatment★'×σ process (heat treat↕‌ment, quenching) to do a good jo∞§σ∏b of the mechanism of advance prepγ‌Ω≠aration.