Carbon enterprise requirements for chemical pumps
The carbon chemical enterprise production equipment uses coal tar as raw material, and the main product is isotropic asphalt. It is a spinning raw material for producing coal pitch-based carbon fiber. The coal pitch carbon product with its raw material has high yield and is easy to manufacture and process. The products with various shapes and excellent characteristics have high elastic modulus, stable size, good electrical conductivity, easy compounding with other materials, good adhesion characteristics, and are suitable for surface conversion and other characteristic conversion processes. One of the by-products, high softening point asphalt, features ultra-high softening point and high residual carbon. It is mainly used in the production of carbon-added and spray-filled furnace materials in the carbon industry, which has a significant effect on extending the age of the converter. The by-product dip asphalt is required by the carbon electrode market. Impregnated asphalt is characterized by low Q1 and good fluidity, and is a good impregnating raw material for ultra high power electrodes and electrode joints.
The types of pumps in the device are: centrifugal pumps, vacuum pumps, gear pumps, high temperature gear pumps, high temperature piston pumps, shielded pumps, submerged pumps and vortex pumps. Centrifugal pump losses are manifested in bearings and seals. Loss of positive displacement pumps is manifested in gear and housing wear and wear on the plunger, ball and seat. Due to the particularity of the tar material: high viscosity, high impurities, the production equipment must be accompanied by high temperature and heat. Therefore, the requirements of the pump are manifested in the mechanical sealing performance under high temperature and high pressure, the anti-wear performance of the material at high temperature, and the pump is relatively strong. Sewage capacity. In the centrifugal pump, the main performance is in the requirements of mechanical seals, the wear resistance of the mechanical seal end face, the corrosion resistance of the rubber O-ring, the high temperature deformation of the rubber O-ring, and the impeller of the pump have strong sewage discharge capacity. , will not block due to impurities in the material. In terms of gear pumps, gears and gear blocks are required to have strong mechanical properties at high temperatures and are not prone to mechanical wear.
Most of the volumetric pumps on the market today use packing seals, which have poor sealing performance. Pumps using mechanical seals are relatively small, and the price is high, which is difficult.

'Carbon companies' requirements for chemical pumps

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