Electrostatic DOS (dioctyl sebacate) oil spraying method
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An electrostatic and positive charge technology, applied in the field of strip production, can solve the problem of high cost
Inactive Publication Date: 2012-07-04
SOUTHWEST ALUMINUM GRP
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Need to use diluent in the p...
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Embodiment 1
[0046] Corresponding to the method provided in Embodiment 1 of a method of electrostatically applying DOS oil in the above-mentioned application, see Figure 5 , the application also provides a device embodiment 1 of electrostatically coating DOS oil, in this embodiment, the device may include:
[0049] The atomizer 101 is used to spray compressed air, and atomize the DOS oil to form tiny oil particles under the jet negative pressure of the compressed air;
[0050] The secondary airflow controller 102 is used to issue and control the secondary airflow to blow the moving position of the tiny oil particles;
[0051] The ionizer 103 is used to ionize the tiny oil particles so that the tiny oil particles are positively charged to obtain tiny charged oil particles;
[0052] The coater 104 is used to generate a high-voltage electric field, so that the tiny charged oil particles move...
Embodiment 2
[0054] Corresponding to the method provided in Embodiment 2 of a method of electrostatically coating DOS oil in the above-mentioned application, see Figure 6 , the present application also provides a device embodiment 2 of electrostatically applying DOS oil. In this embodiment, the secondary airflow controller 102 may also include:
[0055] The regulator 1021 is used to adjust the gas velocity of the secondary airflow.
[0056] In order to obtain uniform tiny oil particles and save DOS oil, it is necessary to screen the tiny oil particles. One of the screening conditions is to filter the size of the tiny oil particles by setting the speed of the secondary airflow.
[0057] The tiny oil particles move under the blowing of the secondary airflow, among which the larger oil particles have a greater gravity, and the speed in the direction of the secondary airflow is small, and the moving distance cannot reach the ionization area, so they are screened out and flow back to the fuel ...
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Abstract
The invention provides an electrostatic DOS (dioctyl sebacate) oil coating method. The electrostatic DOS oil spraying method includes spraying out compressed air, atomizing DOS oil to form tiny oil particles under effects of jetting negative pressure of the compressed air and leading the tiny oil particles to move under effects of secondary airflow; ionizing the tiny oil particles to lead the tiny oil particles to have positive charge and obtaining tiny charged oil particles; and delivering the tiny charged oil particles to a place nearby a surface of a grounded aluminum plate, leading the tiny charged oil particles to move and be uniformly absorbed on the surface of the aluminum plate located at a high-voltage electric field under effects of the high-voltage electric field, and accordingly achieving the purpose of coating the DOS oil on the surface of the aluminum plate. The electrostatic DOS oil spraying method is applied to a DOS oil coating work procedure in belt production, the content, the chemical ingredients and the state of the DOS oil are identical to those of DOS oil on a final product of a traditional DOS oil roll coating method, but in the method, releasing agent and a baking step are omitted, and accordingly production cost is lowered.
Description
technical field [0001] The application relates to the field of strip production, in particular to a method of electrostatically applying DOS oil. Background technique [0002] DOS (dioctyl sebacate) is the English abbreviation of dioctyl sebacate, which is an ester. [0003] During the processing of the strip, due to the long processing process, the strip is easy to be scratched. Coating a layer of DOS on the surface of the strip can form a sequential lubricating layer on the surface of the strip to prevent damage to the surface of the strip and protect the strip. Prevent surface oxidation, and DOS is beneficial to stamping or sucking of strips after slicing. [0004] At present, DOS oil is mainly applied by roller coating, because the DOS can cover material requires a very low DOS oil content (3-8mg / m 2 .Side), so in order to strictly control the amount of DOS oil coating, DOS crude oil is added to the diluent in a certain proportion and mixed evenly during production, an...
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