Chemical pump casing, and material formula and manufacturing method thereof

Abstract

The present invention provides a chemical pump casing, and material formula and manufacturing method thereof, and belongs to the technical field of composite materials. The chemical pump casing material formula comprises the following components by weight: 20-50 parts of a PET powder, 10-40 parts of a UV glue and 30-50 parts of glass fiber. The manufacturing method of the chemical pump casing comprises the steps of: A, material preparation: uniformly stirring 20-50 parts of a PET powder, 10-40 parts of a UV glue and 30-50 parts of glass fiber to form a paste composite material; B, injection molding: injecting the composite material obtained in the step A into a pump casing mold by an injection molding machine, and releasing to obtain a pump casing blank; and C, UV curing: curing the pump casing blank under ultraviolet light to obtain the casing. The pump casing of the present invention has the advantages of stiffness, high temperature resistance and corrosion resistance, and the manufacturing method of the pump casing is simple and easy to implement.

Description

technical field [0001] The invention relates to a pump casing material, in particular to a chemical pump casing, a material formula and a manufacturing method thereof, and belongs to the technical field of composite materials. Background technique [0002] Chemical pumps are mainly used to transport chemical materials, and most chemical pumps are used in harsh environments. During the process, they will be exposed to corrosive substances such as strong acids and alkalis. When chemical pumps are placed in the open environment, they will be exposed to ultraviolet rays, rain and snow and Corrosion, therefore, the casing of the chemical pump needs to have greater strength and corrosion resistance. Existing chemical pump casings are usually made of aluminum alloy die-casting or cast iron pump casings, which are heavy in weight, high in production cost, and have low corrosion resistance. [0003] After long-term exploration, various solutions have been proposed. For example, a Ch...

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Problems solved by technology

[0004] However, the manufacturing process of the glass fiber reinforced nano-PET material of the above-mentioned scheme is complicated, and the steps are as follows: (1) After weighing the nano-kaolin and the surface treatment agent according to the weight ratio, add it to an ultrasonic oscillator or a high-speed mixer, and heat it at 100 ° C. Stir at -200°C for 20-60 minutes to disperse evenly, then cool to below 40°C and discharge for use; (2) Dry the PET at 130°C-150°C for -3-4-hours for use (3) PET after dry treatment and lubricant, nucleating agent, antioxidant, colorant are taken by weight proportion, add high-speed mixer, simultaneously the nano Add kaolin into the high-speed mixer and mix them together for 5-15 minutes; (4) Add the mixture in step (3) to the main feeding port of the twin-screw extruder, and pass the surface weighed according to the weight ratio through silane coupling. The glass fiber treated with the joint agent is added from the side feeding port of the twin-screw extruder, and the processing temperature is controlled at 270°C-290°C. The extruded material passed through the twin-screw extruder is cooled, air-dried, pelletized, and dried. The obtained glass fiber reinforced nano-PET material

[0005] Therefore, the glass fiber reinforced nano-PET material prepared by the above-mentioned process has high cost and complicated processing technology; when the glass fiber reinforced nano-PET material prepared by this process is used for pump casing production, there are also disadvantages such as high cost and complicated processing technology.