A coating device for centrifugal deposition

A technology of coating equipment and centrifugal motor, which is applied in the direction of coating liquid on the surface, coating, etc., to achieve the effect of uniform coating, reducing filtration pore size, and ensuring coating quality

Active Publication Date: 2017-09-29
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of coating quality in the prior art, to provide a kind of centrifugal coating equipment that can spray the coating solution onto the ceramic filter membrane and uniformly coat it by centrifugal method

Method used

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  • A coating device for centrifugal deposition

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] figure 1 is a schematic diagram of the structure of the coating equipment, such as figure 1 As shown, the coating equipment includes a casing 1 , a centrifugal base 2 , a centrifugal motor 3 , a rotor 4 and a coating liquid pressure tank 5 .

[0018] The centrifugal base is arranged inside the casing, and the centrifugal motor is fixed on the surface of the centrifugal base. The rotating shaft 6 of the centrifugal motor is provided with a strut 7 having a certain angle with the rotating shaft, and the angle between the strut and the rotating shaft is 50°. The rotor is arranged at the end of the pole, the top of the rotor is provided with a coating nozzle connected to the pipeline, the interior is provided with a ceramic filter element 8, the bottom is provided with a spring 9, and the bottom of the rotor is conical. A grid-like backing...

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Abstract

The invention discloses a coating device for centrifugal deposition, which comprises: a casing, a centrifugal base, a centrifugal motor, one or more rotors and a coating liquid pressure tank; the centrifugal base is arranged inside the casing, The centrifugal motor is fixed on the surface of the centrifugal base, the rotating shaft of the centrifugal motor is provided with a support rod having a certain angle with the rotating shaft, the rotor is provided at the tail end of the support rod, and the pressure tank of the coating liquid is provided outside the casing, through the pipeline Connect each rotor. By spraying the coating solution onto the ceramic filter membrane, and then coating it uniformly by centrifugal method, the coating device of the present invention not only ensures the coating efficiency, but also ensures the uniformity of the coating, and can penetrate the solution into the ceramic filter. This effectively reduces the filter pore size of the ceramic filter membrane, which can significantly improve the filter effect.

Description

technical field [0001] The invention belongs to the coating and coating field of porous substrates, in particular to a device for centrifugal coating technology of ceramic filter membranes. Background technique [0002] my country is a country with severe water shortage and uneven distribution of water resources. According to statistics, my country's per capita fresh water resources are only 1 / 4 of the world's level, ranking 110th in the world, and it is the poorest per capita water resources in the world. one of the countries. However, my country is the country with the largest water consumption in the world. Since the 21st century, the average annual water consumption accounts for about 13% of the world's water consumption. The rapid economic development has created a large area of ​​water pollution in our country. Industrial wastewater and domestic sewage are seriously consuming our country's scarce water resources. According to relevant data, about 50% of the shallow gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C7/02B05C11/08B05C11/10B05C15/00
Inventor 闵永刚苑春秋曾文进赵春燕
Owner NANJING UNIV OF POSTS & TELECOMM
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