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Roller-hearth Salt Bath Quenching Heat Treatment Production line

Pusher Furnace Heat Treatment Line

Roll-bottom annealing furnace

Pit Furnace Heat Treatment Line

Box Furnace Heat Treatment Line

Nitriding Furnace Production Line

Fully-automatic clutch Diaphragm Spring (Disc Spring) Press Quenching Line

Rotary Hearth Furnace Heat Treatment Line

Flame-retardant Dust Purification System

Smoke and Dust Purification System

Industrial Gas Deep Purification Equipment

Quenching Press

Roll-bottom annealing furnace

The roller-bottom-type protective atmosphere annealing production line is primarily used for the protective-atmosphere spheroidizing annealing of high-volume parts in the bearing industry, such as bearing rings, rollers, wire rods, and tubes—achieving spheroidization results that meet customer requirements.

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Roller Hearth Annealing Furnace

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Roll-bottom annealing furnace

Product Overview

The roller-bottom type protective atmosphere annealing production line is primarily used for the protective-atmosphere spheroidizing annealing of high-volume parts such as bearing rings, rollers, wire rods, and tubes in the bearing industry, ensuring that the spheroidizing results meet customer specifications.

Product Structure and Features

● The equipment operates stably and delivers consistent product quality.

● Protective atmosphere annealing, with precise control over the furnace atmosphere, ensures that the total decarburization layer depth of the parts remains below 0.04mm.

● Equipped with a waste heat recovery system that fully utilizes the residual thermal energy from products, reducing electricity consumption to as low as 160 kWh per ton of product—helping customers cut down on production costs.

● Adopting a linear layout to meet the needs of European and American customers, Du Absolutely no product mixing.

● Equipped with an equipment operation black box system, effectively monitoring the equipment's operational processes.

● It can be equipped with a video recording system that captures the on-site situation in real time and allows remote access for viewing.

I Hot Return Receive system (For single-channel heat treatment furnaces Hot Exchange Replace the device)

Technical Specifications

Customized production is also available upon customer request.

Pre

Pusher Furnace Heat Treatment Line

Pit Furnace Heat Treatment Line

Pre

Pit Furnace Heat Treatment Line

More products

Roller-hearth Salt Bath Quenching Heat Treatment Production line

The salt quenching roller hearth furnace developed by Yajie is a new generation salt quenching equipment, adopts Yajie many new patents, widely used for bearing industries, automobile parts industries processed by atmosphere salt quenching Martensite and Bainite quenching.

Pusher Furnace Heat Treatment Line

Pusher furnace is used in the heat treatment of gear, bearing, crankshaft and other auto parts, such as carburizing, carbonitriding, tufftriding, or protective atmosphere heating and quenching.

Roll-bottom annealing furnace

Pit Furnace Heat Treatment Line

The controlled atmosphere pit carburizing furnace line is generally composed of pit carburizing furnace, pit tempering furnace，quenching oil (salt) tank, cleaning machine, etc.

Box Furnace Heat Treatment Line

Box furnace production line is the most widely used mature furnace type in heat treatment industry. The system is applicable for either mass or batch processing of various kinds of work pieces. It has a large scope of applicability and is particularly suitable for carburization, carbonitriding. recarburization, as well as oxygen-free heat hardening, normalization and annealing of complex parts under protective atmosphere.

Nitriding Furnace Production Line

Widely applicable for nitriding treatments of various products, including hydraulic components, wind turbine gear rings, engine crankshafts, mold surface enhancement, clutch friction plates subjected to nitriding, and corrosion-resistant nitrided parts. It can achieve nitriding and soft nitriding processes tailored for a range of applications, such as hard nitriding, soft nitriding, and post-oxidation treatments.

Fully-automatic clutch Diaphragm Spring (Disc Spring) Press Quenching Line

The treatment line is high in automation level and consistency of quality of product. The complete quenching line is formed up by automatic loader, roller hearth heating furnace, fully automatic press quenching machine, oil blowing device, washing machine, parts stacking machine, tempering furnace, forced hot press, unloading device and control system.

Rotary Hearth Furnace Heat Treatment Line

Rotary Hearth Furnace is a high-capacity system suitable for treating per cycle a large batch of work pieces. It features the use of a single access door for loading and unloading of work pieces, the work pieces rotate with the base,and the work pieces can be loaded in furnace in an either single or multi-layer mode.

Flame-retardant Dust Purification System

The company’s fire-resistant dust purifier is designed for the efficient purification of industrial smoke and dust, making it particularly well-suited for handling oil-fume-containing particulates. It is widely used in industries such as heat treatment, shot blasting machines, casting, welding, and more—effectively cleaning up harmful smoke and dust emissions. By integrating multiple separation technologies, this purifier not only meets stringent environmental emission standards but also represents an ideal, next-generation upgrade for flue gas and dust control. Additionally, this equipment delivers excellent flame-retardant and fire-suppression performance, capable of addressing specific pollutant components in flue gases. The main unit features high-quality rust-proofing and advanced surface treatments, ensuring a robust, durable design that’s both easy to maintain and highly reliable in operation. Its control system includes overheat and overload protection, along with flow and pressure monitoring devices, while maintaining low operational costs and minimal consumable needs. With its broad applicability, this purifier is a versatile solution for diverse industrial applications.

Smoke and Dust Purification System

Smoke and dust purification system is suitable for purification of various kinds of industrial gases, especially oily soot or various harmful gasses. The equipment is widely used in heat treatment industry and other industries where oil soot is liable to be produced. The equipment operates with a multiple of separation technologies to ensure the gas emission is up to the specified standard.

Industrial Gas Deep Purification Equipment

In the controlled atmosphere heat treatment sector, natural gas (propane) has found ever-increasingly extensive application. With the demand on quality of heat treatment process becoming ever-increasingly stricter, the effect on quality of processed product produced by the sulphur adverse content in natural gas (propane) has become a public concern. The natural gas (propane) desulphurization equipment developed by Yajie provides a stable supply of natural gas with very low sulfur content.

Quenching Press

The automated limited-type quenching production line is ideal for the micro-variant production of large-volume bearing rings and gear sleeves, significantly reducing initial machining allowances, enhancing production efficiency, and lowering manufacturing costs. It is a heat treatment process for ring-shaped components with great potential for future development.

Provide heat treatment equipment solutions for your industry

Yajie Technology (Tangshan) Co., Ltd.

Web：http://www.tsyjjx.com

Tel：+86-315-7657768

E-mail：sales@tsyjjx.com

Add: Hancheng Industrial Park, Lubei District,

Tangshang, Hebei Province,P. R. China

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