Centrifugal atomizer nozzle for producing white carbon black
A technology of centrifugal atomization and white carbon black, which is applied in the direction of spraying device with movable outlet, silicon oxide, spraying device, etc., can solve the problem of insufficient utilization of energy at the spray hole, and achieve the effect of improving the atomization effect.
Active Publication Date: 2014-06-04
WUXI HENGCHENG SILICON IND CO LTD
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Problems solved by technology
The sprayed white carbon black at the spray hole of the nozzle of the centrifugal atomizer is sprayed into the drying tower at high speed and high pressure for drying, and the particle diameter of the finished product is 80-150um; The energy at the hole is not fully utilized
Method used
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[0025] The present invention provides a nozzle for a centrifugal atomizer used in the production of white carbon black, in order to make those skilled in the art understand the present invention more clearly, and make the above-mentioned purpose, characteristics and beneficial effects of the present invention more clearly Clear and easy to understand, the following is combined with the attached Figure 1~4 The present invention will be further described in detail with specific embodiments.
[0026] see figure 1 . Come out of the plate-and-frame filter press into a paste-like silica, fully mix with the solution in the beater 1, and become fluid when the solid content is lower than 18%, enter the stirring tank 2, and pass through the centrifugal atomizer after stirring The effect of 3 is sprayed into the drying tower 4 in the form of mist; at the same time, the blower 5 sends the heat provided by the heat pump 6 into the vicinity of the nozzle of the centrifugal atomizer 3 on ...
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The invention discloses a centrifugal atomizer nozzle for producing white carbon black. The nozzle comprises a nozzle body and spray holes, the spray holes are formed in the nozzle body, rotational blades are further included and located on the outer sides of the spray holes, N micro protrusions are arranged on the surfaces, exactly facing the spray holes, of the rotational blades, the distance between the micro protrusions is 100 microns to 500 microns, the height of the micro protrusions is 50 microns to 300 microns, N is an integer, and N is larger than 100. In the spray holes, the vaporous white carbon black is sprayed on the rotational blades with the state of high speed and high pressure, and is impacted and cut by the micro protrusions, large powder particles are cut into small powder particles, and energy in the spray holes is fully utilized. The rotational blades are impacted by the white carbon black to rotate and achieve the flow guide function on the white carbon black, and the atomization effect is improved. The diameter of the particles of the obtained white carbon black can be averagely reduced by more than 20 microns under the condition that other processes are not changed.
Description
technical field [0001] The invention relates to the technical field of chemical production equipment, in particular to a nozzle of a centrifugal atomizer used for raw white carbon black production. Background technique [0002] Silica is the general term for white powdered amorphous silicic acid and silicate products, mainly referring to precipitated silica, fumed silica, ultrafine silica gel and silica aerogel, including powder Synthetic aluminum silicate and calcium silicate, etc., particle diameter is an important quality standard of white carbon black. [0003] In the production process of white carbon black, white carbon black comes out of the plate and frame filter press into a paste shape, which has no fluidity, and needs to go through processes such as beating, rotary drying, and cyclone separation (such as figure 1 Shown) to obtain powder products, among them, the cyclone separator is an important separation equipment. [0004] In the existing process flow, the ma...
Claims
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Login to View More IPC IPC(8): B05B1/26
CPCB05B3/08C01B33/18
Inventor 陈南飞卢爱平
Owner WUXI HENGCHENG SILICON IND CO LTD