Asymmetric cone spine array oil mist collecting device and preparation and collecting method thereof
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A collection device, asymmetrical technology, applied in the direction of general water supply saving, etc., can solve the problem that the collection device has no self-cleaning function
Active Publication Date: 2022-08-09
XI AN JIAOTONG UNIV
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[0004] One of the objectives of the present invention is to provide an asymmetric cone-thorn array oil mist collection de
Method used
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[0065] Example 1: Resin Template Re-engraving
[0066] A thermosetting resin sheet (such as acrylic resin, etc.) with a thickness of 1cm is made, and the corresponding asymmetric structure metal thorn is made by machining technology and installed on a three-dimensional high-precision slide table (the precision of the slide table is 0.05mm), and controlled by PLC. Under the control of the device program, the array is taken on the resin sheet, and the array adopts the insertion row, that is, the bottom surface distance of a cone is translated between the rows.
[0067] Preferably, the distance between the thorns is the length of a single cone base, and when the length of the thorns is 0.5mm, the distance between the thorns is 0.5mm.
[0068] After the hole-piercing is completed, the obtained template is oleophobic modified, the obtained template is placed in a closed device, fluorosilane is dropped around the template, sealed, the device is placed in a 60° oven for 3 hours, the ...
Example Embodiment
[0073] Implementation case two:
[0074] A 3D printer with a precision of 10 μm was used to print the asymmetric cone spine array, and the printing material can be selected from oleophobic photocurable resin.
[0075] Measure the contact angle of the photocurable resin to oil. If the oleophobic angle is not enough, the obtained template can be modified with low surface energy, that is, the obtained template is placed in a closed device, fluorosilane is dropped around the template, sealed, and the device is placed at 60° After 3 hours in the oven, the power of the oven was turned off and allowed to cool naturally, and fluorosilane with low surface free energy was grafted on the surface of the cone-spine array to obtain an oleophobic cone-spine array.
[0076] Dimethyl silicone oil was added to the ethyl acetate solvent, and the diluted lipophilic modification reagent was obtained by ultrasonically oscillating with an ultrasonic instrument until the gel was completely decomposed...
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Abstract
The invention belongs to the technical field of oil mist collecting devices, and particularly relates to an asymmetric conical thorn array oil mist collecting device which comprises a base and a plurality of asymmetric conical thorns arranged on the base. The asymmetric conical spines are arranged on the substrate in an array manner, and two adjacent rows of asymmetric conical spines are arranged in a staggered manner; the asymmetric cone thorn comprises an upper half cone and a lower half cone which are integrally connected, the upper half cone is a semi-elliptical cone, the lower half cone is a semi-cone, and the semi-elliptical cone and the semi-cone converge to form a cone tip; the curvatures of the semielliptical cones are sequentially reduced from the cone bottom to the cone tip, and the curvature is 0 when the semielliptical cones reach the cone tip end; the substrate is oleophobic, and the asymmetric conical spines are oleophilic. The invention further discloses a preparation method and a collection method of the non-aligned cone spines, the shape of the non-aligned cone spines is adjusted, so that the Laplace pressure difference and the gravity direction are the same, the transportation effect of the upper half cone is enhanced, the overall liquid collection and transportation efficiency of the cone spines is improved, and the self-cleaning performance of the whole cone spines is guaranteed.
Description
technical field [0001] The invention belongs to the technical field of oil mist collecting devices, and in particular relates to an oil mist collecting device of an asymmetric cone-spine array and a preparation and collecting method thereof. Background technique [0002] With the development of productivity, environmental protection has been paid more and more attention. According to research statistics, the particle size of oil fume produced by the catering industry is concentrated at 2.5 microns, and the micron-level oil mist can be inhaled by the human body, which has an impact on human health. Because the particle size of the oil mist is too small, it cannot rely on its own gravity to settle. [0003] The current oil mist collection technology is mainly divided into mechanical treatment method, chemical treatment method and catalytic purification method. In the mechanical treatment method, inertial separation has low efficiency for micron-level oil fume collection, and e...
Claims
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