PART.02
Rubber industry
Sub-segment: Compression Sulfurization
Typical process steps: Flat vulcanizing machine, mold heating.
Common temperature control equipment: Heat transfer oil furnace (mainly), high-temperature mold temperature control machine (oil type).
Core requirements for temperature control: High temperature (160-200°C or even higher), high pressure (to overcome rubber expansion force), large heat capacity.
Representative applications: Tire molds, sealing rings, oil seals, silicone rubber products vulcanization. Using heat transfer oil furnace or high-pressure high-temperature oil temperature machine to provide stable vulcanization temperature for the hot plates of the vulcanizing machine.
Sub-segment: Sulfidation of Sulfurization Tanks
Typical process steps: Heating and pressurization inside the tank.
Common temperature control equipment: Heat transfer oil furnace.
Core requirements for temperature control: Provide high-temperature saturated steam or heat source. High pressure requirements for the system.
Representative applications: Large-scale vulcanization tanks for cables, rubber rollers, and large rubber products. Commonly, heat transfer oil furnaces are used for heating to generate high-temperature steam or directly as a heat source.
Sub-segment: Extrusion Sulfidation
Typical process steps: Hot air circulation or molten salt tank heating (continuous sulfidation line) .
Common temperature control equipment: Heat transfer oil furnace.
Core requirements for temperature control: Continuously provide stable high temperature, energy consumption control.
Representative applications: Continuous sulfidation of rubber sealing strips, wires and cables (CV line). The heat transfer oil furnace heats the air or molten salt to make the products continuously pass through the tunnel to complete the sulfidation.
Sub-segment: Pressure Injection Sizing
Typical process steps: Mold temperature control.
Common temperature control equipment: Mold temperature control machine (high-temperature oil type).
Core requirements for temperature control: High temperature, high precision, fast response.
Representative applications: Precision rubber parts, multi-cavity mold rubber products (such as O-rings) injection sizing molding.
Sub-sectors: Rubber Molding / Pressing
Typical process steps: Extruder, Open Molding Machine, Roll Cooling.
Common temperature control equipment: Chiller, Mold temperature controller (water type).
Core requirements for temperature control: Large cooling capacity, Corrosion resistance (in contact with cooling water) .
Representative application: During the mixing process, cold water is circulated through the jacket of the extruder and the inner part of the rollers of the open molding machine to cool them down, quickly removing the heat generated by shearing and preventing scorching.
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