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Silk screen cleaning device and method

A cleaning device and screen technology, applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc., can solve the problems affecting paper air permeability and cleanliness, affecting paper quality, affecting paper water permeability and cleanliness Degree and other issues

Pending Publication Date: 2020-11-24
福涞堡造纸技术(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the dry net used in the papermaking process mainly plays the role of water permeability and shaping of the paper. Therefore, the surface cleaning and air permeability of the dry net should be ensured during use. The dry net is easy to adhere to pulp fibers and fine particles during use. If these adherents are not removed, it will seriously affect the air permeability and cleanliness of the paper, which in turn will affect the water permeability and cleanliness of the paper, and seriously affect the quality of the paper

Method used

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  • Silk screen cleaning device and method
  • Silk screen cleaning device and method
  • Silk screen cleaning device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] A screen cleaning device, comprising a main body, the main body is provided with a first group of air knives, the first group of air knives includes a first annular air knife 1, a second annular air knife 1, and a cleaning liquid nozzle, wherein the first annular The air knife 1 is surrounded by the second annular air knife 2 and the cleaning liquid nozzle is surrounded by the first annular air knife 1 .

[0081] The cleaning liquid nozzle can be arranged in any shape of inline, cross, *, #, polygon, and ring. But preferably, the cleaning liquid nozzle in the above example is the high-pressure water needle 4 . The main body is provided with a cleaning liquid pipeline, and the cleaning liquid pipeline passes through the main body and communicates with the high-pressure water needle 4 .

[0082] The first annular gas knife 1 includes a first gas channel and a first gas outlet, the first gas outlet is located on the surface of the main body, the first gas channel communic...

Embodiment 2

[0093] Based on the first embodiment above, this embodiment adds a second group of air knives, specifically, a second group of air knives is also provided in the main body 8, and the second group of air knives is located downstream of the first group of air knives, wherein, The second group of air knives includes a third annular air knife 6 and a fourth annular air knife 7 , wherein the third annular air knife 6 is surrounded by the fourth annular air knife 7 .

[0094] The third annular gas knife 6 includes a third gas channel and a third gas outlet, the third gas outlet is located on the surface of the main body, the third gas channel communicates with the third gas outlet through the main body; The knife 7 includes a fourth gas channel and a fourth gas outlet, the fourth gas outlet is located on the surface of the main body, and the fourth gas channel communicates with the fourth gas outlet through the main body.

[0095] Similarly, the third gas channel and the fourth gas ...

Embodiment 3

[0101] Preferably, on the basis of Embodiments 1 and 2, a third group of air knives is also provided in the main body 8, and the third group of air knives is located downstream of the second group of air knives, wherein the third group of air knives includes Fifth air knife 5.

[0102] The working process is as follows:

[0103] Such as Figure 2-3 As shown, the air intake pipe of the fifth air knife 5 is connected with the air supply equipment outside the main body 8, and the gas enters the air intake pipe and sends the gas to the fifth air outlet through the fifth exhaust pipe arranged in a ring, and the gas forms the fifth air outlet. The air knife 5 sweeps the surface of the screen 3;

[0104] Referring to Embodiment 1 and Embodiment 2, the area after the initial cleaning of the screen by the first set of air knives moves to the bottom of the second set of air knives for further blowing and drying.

[0105] After the screen 3 leaves the second set of air knives, it move...

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Abstract

The invention provides a silk screen cleaning device and method. The silk screen cleaning device comprises a body. The body comprises a first air knife set. The first air knife set comprises a first annular air knife, a second annular air knife and a cleaning liquid nozzle. The cleaning liquid is sealed by the first air knife, part of the reflected cleaning liquid is carried by the high-pressure gas of the first air knife to be sprayed to a silk screen, and therefore the cleaning efficiency is improved, the waste caused by the situation that the cleaning liquid is reflected is reduced, and thephenomenon that the reflected cleaning liquid and pollutants which can be carried by the cleaning liquid splash to other regions and cause the secondary pollution is reduced. The internal air knife is encircled by the external air knife, the airflow of the internal air knife is sealed by the external air knife, even though part of the gas of the internal air knife is reflected, the gas cannot escape from the external air knife and is carried by the external air knife to move towards the silk screen again, and therefore the airflow of the internal air knife only can be centralized to pass through the silk screen, the force and the efficiency of drying / cleaning operation of the silk screen are improved, and the air permeability of the silk screen is guaranteed.

Description

technical field [0001] The invention relates to the technical field of high-efficiency energy-saving cleaning, in particular to a device and method for cleaning a screen. Background technique [0002] Wire mesh is used in many technical fields, including product production, fishing, drying, etc. After a long period of use, the wire mesh will absorb a large amount of pollutants and needs to be cleaned. For example, the dry net used in the papermaking process mainly plays the role of water permeability and shaping of the paper. Therefore, the surface cleaning and air permeability of the dry net should be ensured during use. The dry net is easy to adhere to pulp fibers and fine particles during use. If these adherents are not removed, it will seriously affect the air permeability and cleanliness of the paper, which in turn will affect the water permeability and cleanliness of the paper, and seriously affect the quality of the paper. [0003] The cleaning of the dry net is gene...

Claims

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Application Information

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IPC IPC(8): B08B3/02B08B13/00F26B21/00
CPCB08B3/022B08B13/00F26B21/004
Inventor 徐宝贵
Owner 福涞堡造纸技术(上海)有限公司
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