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Preparation method of loaded zinc oxide photocatalyst

A photocatalyst and zinc oxide technology, applied in the field of photocatalytic materials, can solve the problems of long grinding time, poor grinding effect and low grinding efficiency of ball mills, and achieve the goal of increasing grinding and crushing efficiency, improving grinding and crushing efficiency, and increasing collision probability. Effect

Pending Publication Date: 2019-09-13
YANCHENG TEACHERS UNIV
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AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies of the existing technology and solve the problem of preparing the supported zinc oxide photocatalyst, it is necessary to put the mixed solution, red mud, cobalt carbonate and kaolin made by stirring the production raw materials into a ball mill for grinding and crushing, and add water to form a paste Continue to the next process afterwards, the existing ball mill grinding time is too long, the grinding efficiency is low, and the problem of poor grinding effect at the same time, the preparation method of a kind of loaded zinc oxide photocatalyst proposed by the present invention

Method used

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  • Preparation method of loaded zinc oxide photocatalyst
  • Preparation method of loaded zinc oxide photocatalyst
  • Preparation method of loaded zinc oxide photocatalyst

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preparation example Construction

[0030] like Figure 1 to Figure 6Shown, the preparation method of a kind of supported zinc oxide photocatalyst of the present invention, this preparation method comprises the following steps:

[0031] S1: Weigh each raw material according to parts by weight: 30-50 parts of zinc nitrate hexahydrate, 5-10 parts of polyethylene glycol stearate, 15-20 parts of thiourea, 5-10 parts of red mud, 1 part of cobalt carbonate -2 parts and 10-15 parts of kaolin;

[0032] S2: Add zinc nitrate hexahydrate into the ultrasonic generator, add absolute ethanol to dissolve, then add sodium hydroxide solution to adjust the pH to 12-13, and continue ultrasonication at a frequency of 40-60KHz for 20-30min to obtain a suspension M;

[0033] S3: add thiourea into the stirrer, then add an appropriate amount of water and stir to dissolve it, and obtain a suspension N;

[0034] S4: Pour the suspension N into the ultrasonic generator equipped with the suspension M, then add polyethylene glycol stearat...

Embodiment approach

[0038] As an embodiment of the present invention, a group of rollers 3 arranged in parallel are arranged inside the cylinder 1, and the rollers 3 are rotatably connected to the fixed frame 31 in the cylinder 1; the rotating shaft on one side of the rollers 3 There are intermeshed gears 32 fixed on the top; one of the rollers 3 rotating shafts is fixedly connected with a gravity ball 33 through a rigid rod; when the cylinder 1 rotates, the gravity ball 33 drives the rollers 3 to rotate under the action of gravity, and the two rollers 3. Speed ​​up the crushing speed of the raw material in the cylinder 1 after rotating, further increase the grinding and crushing efficiency of the ball mill; when the raw material is rotated and ground in the cylinder 1, when the cylinder 1 rotates, due to the gravity ball 33 always maintains a drooping state under the action of gravity , the gravity ball 33 drives the roller 3 to rotate through the rigid rod, and the two rollers 3 rotate together ...

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Abstract

Belonging to the technical field of photocatalytic materials, the invention in particular relates to a preparation method of a loaded zinc oxide photocatalyst. A ball mill adopted by the preparation method includes: a cylinder, a discharge port, ball seats, connecting rods, inclined plates, a motor and a speed reducer. The discharge port is disposed on a circumferential side of the cylinder; millballs are loaded in the cylinder; a set of parallel inclined plates are disposed on the sides at two ends of the cylinder; one sides of the inclined plates close to the cylinder are equipped with twoconnecting rods; the connecting rods and the ball seats on the cylinder are connected through joint bearings; the inclined plates located on one sides of the cylinder are driven by the speed reducer and motor; and the rotating shafts of the inclined plates rotate on the rack. According to the invention, the cylinder is driven to rotate through the inclined plates and connecting rods, as the connecting rods and the cylinder are connected through the joint bearings, the inclined plates can drive one side of the cylinder to rotate during rotation and the other side to do reciprocating inclined swing, thus increasing the rollover speed of the raw material mixture and mill balls in the cylinder, and then improving the grinding and crushing efficiency of the ball mill.

Description

technical field [0001] The invention belongs to the technical field of photocatalytic materials, in particular to a preparation method of a supported zinc oxide photocatalyst. Background technique [0002] Since the beginning of the new century, with the improvement of the pace of industrialization and the excessive use of natural resources, various environmental pollution and energy scarcity problems have continued to intensify. Therefore, it is imminent to control all kinds of pollution and find new energy sources to relieve the pressure on the earth. Photocatalytic technology has been widely used in many fields such as wastewater treatment, gas purification, sterilization, antifouling, self-cleaning materials, dye-sensitized solar cells, cosmetics, and gas sensors. Photocatalysis is based on the basic characteristics of semiconductor materials that can generate photogenerated electrons with strong reductivity and holes with strong oxidative properties under light excitat...

Claims

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Application Information

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IPC IPC(8): B01J23/06B01J23/80B01J37/00B02C17/10B02C17/18B02C17/24B02C4/02B02C4/30B02C4/42
CPCB01J23/80B01J23/002B01J23/06B01J37/0036B02C17/10B02C17/18B02C17/24B02C4/02B02C4/30B02C4/42B01J35/39
Inventor 姚玉峰
Owner YANCHENG TEACHERS UNIV
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