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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

Rotary Hearth Furnace Heat Treatment Line

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Rotary Hearth Furnace Heat Treatment Line

Product General Description

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. The work pieces turn round along with the rotating furnace bottom, and protective atmosphere is used for heating. The line is extensively used for carburization, carbonitriding, scale-free heating of clutch gear rings, spiral bevel gears, bearing rings, and gears pressure quenching, mar quenching and bainite quenching can also be effected when the line works in combination with pressure quenching machine, water tank, oil tank or salt tank. The line has found widespread applications in sectors manufacturing auto parts or bearings.

Product Structure and Character

The furnace chamber is round in design. It ofers the merits of being less in occupation of foor space, compact in layout and high in efciency.
The work pieces are loaded and unloaded via a single access door by means of easy-to-operate manipulator.
Thanks to the use of uniformly distributed radiation tubes, large-capacity circulating fans and high-accuracy temperature control instruments, the furnace temperature is high in uniformity.
The system is provided with touch-screen computer. It is easy to operate and is capable of continuously recording the operating data for easy inquiry.
A series of the furnace is available for selection (The maximum efective diameter of the furnace is 4.5m).
It can be equipped with pressure quenching transfer manipulator or robot, as well as quenching press to provide a full set of converter pressure quenching line.

Product Specifcations

Type	Hearth Dia.	Cycle time	Working Stations
RE9-170-SP	1700mm	≥45s	As needed
RE9-230-SP	2300mm	≥45s	As needed
RE9-270-SP	2700mm	≥45s	As needed
RE9-350-SP	3500mm	≥60s	As needed
RE9-450-SP	4500mm	≥60s	As needed

Pre

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

Flame-retardant Dust Purification System

Pre

Flame-retardant Dust Purification System

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

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.

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

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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