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(Air-cooled) Roots Pump Cooling Coil
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- Product Description
-
- Commodity name: (Air-cooled) Roots Pump Cooling Coil
- 副标题: Suitable for Elam ZJ/ZJQ70-20000
A set of metal pipes installed in the front and rear covers of the Roots pump removes the significant heat generated during operation by circulating cooling water (or another cooling medium) internally.
ELMVAC—ZJ/ZJQ (Air-Cooled) Roots Pump Cooling Coil
Main function:
1. Controlling operating temperature: Roots pumps generate significant heat when compressing gases, especially when running at high inlet pressures. If this heat isn’t dissipated promptly, it can cause the pump casing to overheat.
2. Preventing thermal deformation: Core components such as the pump body, rotor, and end covers are typically made from different materials (e.g., cast iron, steel), each with a distinct coefficient of thermal expansion. As a result, an overheated pump body may experience uneven
Thermal expansion can disrupt the incredibly precise clearances between the rotor and pump casing, as well as between rotors themselves, leading to severe issues like friction, wear, and even "seizing." Cooling coils, however, effectively prevent this from happening.
3. Protecting Lubricating Oil: Excessively high temperatures can accelerate the oxidation and degradation of the lubricating oil inside the pump (if the pump uses oil lubrication), reducing its lubrication and sealing performance. Effective cooling, however, can significantly extend the lifespan of the oil.
Ensure the smooth operation of bearings and gears.
4. Improving pumping efficiency: As gas temperature rises, its volume expands, which actually reduces the pump's effective pumping speed. Cooling the gas helps maintain higher pumping efficiency.
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Processing
Assembly
Quality inspection
Shipment
Precision Machining
The forged billet is turned by a CNC lathe to remove most of the allowance, making the shape of the rotor closer to the design size, while leaving an appropriate machining allowance for the subsequent fine processing. The precision machining of the screw profile is carried out using a MAZAK precision machining center. Through precise programming and processing, the profile accuracy of the screw rotor is controlled within the design requirements.
Assembly
After the installation engineer checked the vacuum pump materials, they assembled the vacuum pump products in accordance with the drawing requirements and conducted pressure tests and usage debugging on the assembled vacuum pump products.
Quality inspection
After each processing step of the product is completed, the quality inspection team conducts quality checks based on the processing technology and product standards. Products that do not meet the standards need to be reworked or scrapped.
Shipment
After all processing procedures are successfully completed, the staff responsible for packaging and shipping will check each product against the shipping documents one by one. Once the information is accurate, they will contact the logistics to arrange for shipping.
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