For the finest quality of Batch type furnace, you are on the right platform. We are the best Batch type furnace manufacturer and supplier in the market. We are providing a wide-ranging range of batch type furnace, which finds its function in a variety of chemical industries including others. Also, our ability lies in manipulative furnaces as per the specifications of our customers.
Technical Specifications
refractory bricks
Mild steel or stainless steel, painted
Resistance wire (Kanthal, Nichrome), silicon carbide, molybdenum disilicide, gas burners, burner gas/oil
Overtemperature protection, emergency shut-off systems, and interlocks to prevent accidents
Leading Manufacturer and Suppliers In India
Moreover, we manufacture all types of batch type furnace with ultimate quality. We are well-known in the market because our furnace is reliable, durable, effective, and long-lasting. We design furnace size as per our customer’s need along within their budget. So, you can best quality furnace at affordable prices.
Batch type furnace is mainly used in thermal processing. Also, these furnaces carry out more than one process like sealed quench furnaces with their heating as well as cooling chambers, also may have a batch in each chamber. However, these furnaces are sometimes referred to as semi-continuous furnaces. They work smoothly and delivering optimal results. Further, these types of the furnace are in used because of the consumption of fuel is used in very less amount and function very well.
Find Out Features of Batch Type Furnace
Salient Features
- Used in the ultimate mix burner
- Optimum results
- Most favorable heat performance.
Applications of Batch Type Furnace
Top Notch Quality Batch Type Furnace For Your Business!
Being the pioneer in the industry of best Batch type furnace exporter in the market, we deliver the finest quality products to our customers. Also, when we design the furnace we use the utmost quality material to increase the life of the furnace and always keep in mind the requirements of the customers. So, what are you waiting for??? Call us; we deliver you the best quality of furnace at reasonable prices along with the best quality.
Frequently Asked Questions (FAQs)
When does a batch type furnace make more sense than a continuous furnace?
A batch type furnace is the preferred choice when production involves varying component sizes, lower to medium production volumes, or large, heavy workpieces that cannot be processed in a continuous furnace. It offers greater flexibility, making it ideal for job shops and manufacturers handling a wide range of heat treatment applications.
A batch type furnace is typically recommended when:
- Production volumes are low to medium.
- Components vary in size, shape, or weight.
- Different materials or heat treatment cycles are required.
- Frequent process changes are needed.
- Large or heavy components are processed.
- Precise control over individual heat treatment cycles is important.
- Production is based on customer-specific or customized orders.
- Very large single jobs require heat treatment. Batch furnaces can be designed to handle workloads of 50–100 tonnes or more in a single cycle, depending on the application.
A continuous furnace is best suited for high-volume production of similar components where a consistent process and uninterrupted material flow are required. However, the size and weight of individual components are limited by the conveyor, rollers, mesh belt, pusher system, or walking beam mechanism. As a result, continuous furnaces are generally not suitable for processing very large or extremely heavy workpieces.
Batch Type Furnace vs. Continuous Furnace
Batch Type Furnace | Continuous Furnace |
Ideal for low- to medium-volume production | Ideal for high-volume, repetitive production |
Suitable for varying component sizes and heat treatment cycles | Best for similar components with fixed process parameters |
Can process large and heavy workpieces | Limited by the conveyor or material handling system |
Can be designed for single workloads of 50–100 tonnes or more | Individual job weight is generally limited by the conveyor capacity |
Highly flexible for custom and job-shop applications | Maximizes productivity for mass production |
At Maharith Thermal Pvt. Ltd., we manufacture custom batch type furnaces with capacities ranging from small laboratory units to heavy-duty industrial furnaces capable of processing 50–100 tonne workloads, as well as continuous furnaces for high-volume production, ensuring the right solution for every heat treatment application.
What is a sealed quench batch furnace and when is it needed?
A Sealed Quench Batch (SQB) Furnace is a controlled atmosphere heat treatment furnace in which components are heated in a sealed chamber under a protective atmosphere and then automatically transferred to an integral quench tank for rapid cooling. This process minimizes oxidation and decarburization while producing consistent metallurgical properties.
A sealed quench batch furnace is typically used for:
- Carburising
- Carbonitriding
- Neutral hardening
- Oil quenching
- Bright hardening
- Case hardening of alloy and carbon steel components
It is commonly used to heat treat:
- Automotive gears and transmission components
- Bearings
- Shafts and axles
- Fasteners
- Forged and machined components
- Industrial machinery parts
A sealed quench batch furnace is recommended when:
- A controlled atmosphere is required to prevent oxidation and decarburization.
- Components require high surface hardness with a tough core.
- Consistent case depth and repeatable heat treatment results are critical.
- High-quality surface finish and dimensional accuracy must be maintained.
- Medium- to high-volume batch production is required.
Compared with conventional batch furnaces, a sealed quench batch furnace provides superior process control, improved product quality, reduced surface oxidation, and repeatable heat treatment results.
At Maharith Thermal Pvt. Ltd., we design and manufacture custom sealed quench batch furnaces with advanced atmosphere control, automated quenching systems, precise temperature control, and PLC-based process automation to meet the demanding requirements of automotive, aerospace, bearing, and general engineering industries
My current batch furnace takes too long to reach temperature—is that a furnace problem or a setting problem?
A batch furnace taking longer than expected to reach the set temperature may be caused by the furnace itself, the operating parameters, or the production load. Identifying the root cause is essential before considering any modifications or repairs.
Common reasons include:
- Incorrect temperature setpoints or heating program settings.
- Excessive workload or high thermal mass of the components.
- Heating elements that have deteriorated or are nearing the end of their service life.
- Low supply voltage or insufficient electrical power.
- Improper tuning of the temperature controller or power control system.
- Worn door seals or damaged insulation causing excessive heat loss.
- Faulty thermocouples or inaccurate temperature measurements.
- Malfunctioning SCR/thyristor power controllers or electrical components.
- Poor air circulation in convection furnaces, resulting in slower heat transfer.
- Inadequate preventive maintenance.
To determine the actual cause, the furnace should be evaluated by checking the heating rate against the design specifications, inspecting the electrical and heating systems, verifying calibration of temperature sensors, and reviewing the operating cycle and loading conditions.
At Maharith Thermal Pvt. Ltd., we provide furnace performance evaluation, troubleshooting, retrofit solutions, and preventive maintenance services. Our engineering team can identify the root cause of slow heating and recommend the most effective solution to restore optimum furnace performance and energy efficiency.
My components come out with scale and discolouration after batch furnace heat treatment — what's causing it?
Scale formation and surface discolouration after heat treatment are typically caused by oxidation when metal is exposed to oxygen or an uncontrolled furnace atmosphere at elevated temperatures. The severity depends on the material, process temperature, soaking time, and furnace operating conditions.
Common causes include:
- Air leakage into the furnace through worn door seals or openings.
- Heating in a non-protective atmosphere.
- Incorrect temperature or excessive soaking time.
- Poor temperature uniformity within the furnace.
- Inadequate furnace maintenance or damaged insulation.
- Incorrect loading that restricts heat circulation.
- Surface contaminants such as oil, grease, rust, or moisture on the components before heat treatment.
To minimize scaling and discolouration, the furnace should maintain accurate temperature control, proper sealing, and uniform heat distribution. For applications requiring a clean, bright, or oxide-free surface, a controlled atmosphere furnace or vacuum furnace is generally recommended instead of a conventional air furnace.
At Maharith Thermal Pvt. Ltd., we manufacture both conventional batch furnaces and controlled atmosphere furnaces, enabling customers to select the most suitable heat treatment solution based on their material, process requirements, and desired surface finish
What is the typical operational lifespan of a batch furnace?
If your crew maintains it well and avoids exceeding maximum temperature limits, a rugged batch furnace easily lasts 10 to 15 years. Just remember that things like thermocouples and heating coils naturally need periodic replacement.
Should I buy a batch furnace or a continuous furnace?
The choice between a batch furnace and a continuous furnace depends on your production volume, component size, heat treatment process, and operational requirements.
A batch furnace is the ideal choice if you process a variety of components, require different heat treatment cycles, or handle large and heavy workpieces. It offers greater flexibility and is well suited for job shops, heavy engineering industries, and customized production.
A continuous furnace is designed for high-volume production of similar components that require the same heat treatment cycle. It provides higher throughput, consistent processing, and lower operating cost per component in mass production environments.
Choose a Batch Furnace if you need:
- Low- to medium-volume production.
- Different heat treatment cycles for various components.
- Flexibility to process multiple product types.
- Heat treatment of large or heavy components.
- Single workloads of 50–100 tonnes or more, depending on the furnace design and application.
- Easy loading and unloading using cranes, bogies, or trolleys.
Choose a Continuous Furnace if you need:
- High-volume, repetitive production.
- Continuous processing with minimal operator intervention.
- Consistent heat treatment for similar components.
- High productivity and automated material handling.
- Processing of smaller to medium-sized components suitable for conveyor-based systems.
Continuous furnaces have limitations on the size and weight of individual components, as they are constrained by the conveyor, mesh belt, roller hearth, pusher, or walking beam system. For very large or extremely heavy workpieces, a batch furnace is generally the preferred solution.
At Maharith Thermal Pvt. Ltd., we design and manufacture both batch and continuous furnaces, helping customers select the most suitable solution based on production capacity, component size, process requirements, and long-term operating efficiency.
How much does an industrial batch type furnace cost?
The cost of an industrial batch type furnace depends on several factors, including the furnace type, chamber size, operating temperature, load capacity, heating method, temperature uniformity requirements, automation level, and applicable industry standards.
Other factors that influence the cost include:
- Maximum operating temperature.
- Workload capacity (from a few kilograms to 50–100 tonnes or more, depending on the application).
- Heating method (electric, gas-fired, or oil-fired).
- Furnace atmosphere (air, protective atmosphere, or inert gas).
- Temperature uniformity and process accuracy requirements.
- PLC, HMI, SCADA, and data logging requirements.
- Charging system (trolley, bogie hearth, overhead crane, or other material handling arrangements).
- Compliance with industry standards such as AMS 2750, CQI-9, API, or customer-specific specifications.
At Maharith Thermal Pvt. Ltd., every batch type furnace is custom-engineered to meet the customer’s specific process and production requirements. We manufacture a wide range of batch furnaces, including bogie hearth furnaces, chamber furnaces, car-bottom furnaces, and heavy-duty heat treatment furnaces for diverse industrial applications.
Since every heat treatment process is unique, pricing is based on your technical specifications. Share your material type, component dimensions, workload, operating temperature, production capacity, and process requirements, and our engineering team will provide a detailed techno-commercial proposal tailored to your application.
How often should a batch type furnace be serviced?
Regular preventive maintenance is essential to ensure reliable operation, accurate temperature control, energy efficiency, and a long service life for a batch type furnace. The maintenance frequency depends on operating hours, production cycles, and the furnace application. A typical maintenance schedule includes:
- Daily: Inspect heating elements or burners, door seals, control panel indicators, safety interlocks, and the furnace chamber for any abnormalities.
- Monthly: Check electrical connections, thermocouples, circulation fans (if applicable), heating system performance, and clean the furnace interior as required.
- Quarterly: Inspect insulation, verify the performance of temperature controllers and power control systems, lubricate mechanical components where applicable, and check trolley, bogie, or door mechanisms.
- Annually: Perform a comprehensive preventive maintenance inspection, including calibration of temperature controllers, verification of safety systems, inspection of heating elements or burners, insulation, electrical components, and overall furnace performance.
For critical heat treatment applications, periodic calibration and Temperature Uniformity Surveys (TUS) should be carried out in accordance with applicable industry standards such as AMS 2750, CQI-9, or customer-specific quality requirements.
At Maharith Thermal Pvt. Ltd., we provide preventive maintenance services, calibration support, furnace health checks, retrofit solutions, and Annual Maintenance Contracts (AMC) to help customers maximize furnace reliability, reduce downtime, and extend equipment service life.
Why is my batch furnace struggling to reach its target temperature?
If a batch furnace is taking longer than expected or failing to reach its target temperature, the cause may be related to the furnace, electrical supply, control system, or operating conditions. Identifying the root cause is essential to restore optimum performance.
Common causes include:
- Deteriorated or failed heating elements, burners, or fuel system components.
- Low electrical supply voltage or insufficient power input.
- Incorrect controller settings or improperly tuned temperature control loops.
- Faulty thermocouples or inaccurate temperature measurement.
- Malfunctioning SCR/thyristor power controllers or burner control systems.
- Damaged insulation or worn door seals causing excessive heat loss.
- Excessive workload or loading beyond the furnace’s rated capacity.
- Poor air circulation in convection-type furnaces.
- Inadequate preventive maintenance or ageing electrical components.
To diagnose the issue, the furnace should be inspected for heating system performance, power supply, insulation condition, instrumentation accuracy, and loading practices. Regular calibration and preventive maintenance help ensure the furnace consistently achieves the required heating rate and operating temperature.
At Maharith Thermal Pvt. Ltd., we provide furnace inspection, troubleshooting, retrofit solutions, and preventive maintenance services. Our engineering team can identify the root cause of heating issues and recommend the most effective solution to restore reliable and energy-efficient furnace operation.
Any Enquiry
If you’ve got questions or ideas you would like to share, send a message. For anything more specific, please use one of the addresses listed below.
Old No. 2/73, New No. 3/849, Bye Pass Road, Devi Kalyana Madnadapam Complex, Sennerkuppam, Poonamallee Chennai, Tamil Nadu, India – 600056
+91-9444063455