A horizontal double nozzle liquid static mixer
A technology of static mixer and double nozzle, which is applied in the direction of fluid mixer, mixer, chemical instrument and method, etc., can solve the problem of low shear rate, etc., and achieve the effect of improving mixing efficiency and simple structure
Active Publication Date: 2016-08-24
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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[0004] In the fluid mixing process of chemical industry, environmental protection, medicine, food and other industries, there are many kinds of static mixers in use, but they are only suitable for the mixing process at low shear rate and low flow rate.
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[0022] see figure 1 , figure 2 and image 3 , The basic structure of the mixer is a horizontal cylindrical mixing barrel with closed ends, two nozzles 2 and 3, a circular liquid inlet 4 and a circular low-pressure liquid outlet 5 are designed. The two nozzles are arranged in a reasonable space. The two nozzles inject fluid A, the circular liquid inlet enters the fluid B, and the mixed liquid is discharged from the circular low-pressure liquid outlet.
[0023] Specifically, the first nozzle 2 is located in the upper right corner of the horizontal barrel, the outlet flow channel of the nozzle is tangent to the inner wall of the barrel, the second nozzle 3 is located at the lower left corner of the horizontal barrel, and the outlet channel of the nozzle is in contact with the inner wall of the barrel cut. or, see Figure 4 , the first nozzle 2 is located in the lower right corner of the horizontal barrel, the nozzle outlet flow channel is tangent to the inner wall of the bar...
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The invention relates to a horizontal double-nozzle liquid static-mixer which comprises a horizontal mixing barrel. The barrel is provided with two nozzles, a liquid inlet and a liquid outlet; the nozzles are located at opposite two diagonal positions close to the two ends of the mixing barrel, and an outlet runner of each nozzle is tangential to the internal wall face of the mixing barrel, so that fluids respectively tangentially enter in the mixing barrel from the two ends of the mixing barrel, and rotate under the guidance of the wall face of the mixing barrel so as to form two rotating flows which are opposite in rotating direction along the internal wall face of the mixing barrel. The liquid inlet and the liquid outlet are circular, and are designed in the middle of the mixing barrel, a connecting line between the circle center of the liquid inlet and the circle center of the liquid outlet is a diameter line located in a circular barrel cross-section at 1 / 2 of the length of the mixing barrel; and fluids entering the mixing barrel from the two nozzles carry out extrusion and shear mixing actions on a fluid entering the mixing barrel from the liquid inlet from the left and right sides, and finally, three fluids entering the mixing barrel are converged and then flow out of a low-pressure outlet, so that a mixed fluid mixed well can be obtained. The static-mixer disclosed by the invention can be used for uniformly mixing drilling fluids and rapidly mixing two drilling fluids or rapidly mixing a drilling fluid with water in petroleum engineering, and also can be applied to the fluid mixing processes in chemical, environmental protection, medicine, food industries and the like.
Description
technical field [0001] The invention relates to a horizontal double-nozzle liquid static mixer, which is used for uniform mixing of drilling fluids in petroleum engineering, rapid mixing of two drilling fluids or drilling fluids and water, and is also suitable for chemical industry, environmental protection, medicine, food and other industries. fluid mixing process. Background technique [0002] In oil and gas drilling engineering, a large number of drilling fluids are used. The composition of drilling fluid is complex, and its density and viscosity vary within a certain range. Industrial applications require continuous mixing with large displacement and high efficiency. The mixing technology of drilling fluid has experienced jet gun mixing, circulating mixing, and mixing with mechanical agitators. Currently, it is the mixing method of mechanical agitator that is widely used, and the mixing uniformity is not very good. The static mixer mixing drilling fluid technology orig...
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IPC IPC(8): B01F5/20
Inventor 龙芝辉齐成伟刘继林郭晓乐苏堪华
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY