Melting atomization system, high-activity spherical cuprous chloride catalyst prepared through system and preparation method of high-activity spherical cuprous chloride catalyst

An atomization system, cuprous chloride technology, applied in catalyst activation/preparation, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problems of large powder particle size dispersion coefficient, excessive energy consumption, low yield and other problems , to achieve the effect of concentrated product particle size, reduced energy consumption and high yield

Active Publication Date: 2016-08-03
HUIJIN ATOMIZING SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is to atomize the molten cuprous chloride raw material into a spherical powder with high-pressure gas. Although the catalytic properties of the spherical cuprous chloride powder are good, due to the large dispersion coefficient of the powder particle size of the gas atomization powder making technology, this method is used The prepared powder still has some deficiencies: 1), the atomized powder requires a large amount of powder re-classification and sorting in the subsequent process, and some powders that are too fine ...

Method used

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  • Melting atomization system, high-activity spherical cuprous chloride catalyst prepared through system and preparation method of high-activity spherical cuprous chloride catalyst
  • Melting atomization system, high-activity spherical cuprous chloride catalyst prepared through system and preparation method of high-activity spherical cuprous chloride catalyst
  • Melting atomization system, high-activity spherical cuprous chloride catalyst prepared through system and preparation method of high-activity spherical cuprous chloride catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A melt atomization system such as figure 1 As shown, it includes a storage tank 1, a conveying feeder 2, a melting furnace 3, an atomizing tank 10 and a screening mechanism 11 connected in sequence, and a rapid melting device 4 and an atomizing tundish furnace 5 are arranged in the melting furnace. The atomizing tank 10 is equipped with an atomizing disc 7, and the atomizing tundish furnace is connected to the atomizing disc 7 through a guide tube 6. The screening mechanism has a built-in screen 12, and the bottom of the screening mechanism is connected to the finished product packaging machine 14 through a pipeline. , This section of the pipeline is provided with a powder discharge valve 13, and the collection pipeline and the coarse powder collection tank 15 pass through the screen above. The atomization tank is equipped with a cooling mechanism 8, which is a double-layer structure provided on the inner wall of the atomization tank to contain a cooling medium.

[00...

Embodiment 2

[0057] A preparation method of highly active spherical cuprous chloride powder, the specific steps are as follows:

[0058] (1) Put the cuprous chloride powder raw material into the storage tank 1, use the conveying feeder 2 to transport the raw material to the melting furnace 3, and the rapid melting device 4 in the melting furnace melts the raw material rapidly, and the raw material is melted by atomization The tundish furnace 5 is kept warm at 435-650°C to prepare for atomization. The melting of the melting furnace and the transportation of raw material powder are carried out under the protection of inert gas to avoid oxidation reaction of raw materials during melting. The melting capacity of the melting furnace can be determined according to the required atomization capacity.

[0059] (2) The molten cuprous chloride liquid is introduced into the atomizing disc 7 in the atomizing tank 9 through the heated draft tube 6 . The atomizing disc is driven by a high-speed motor. ...

Embodiment 3

[0066] Adopt the system described in embodiment 1 to carry out the preparation of highly active spherical cuprous chloride powder, concrete process is: first use respectively 2-4m 3 / h and 50m 3 Nitrogen per hour replaces the melting furnace 3 and the atomizing tank 10, and replaces the oxygen concentration in the container to below 500ppm, and then reduces the flow rate of the protective gas to 1m 3 / h and 15m 3 / h. The filled raw materials are hoisted to the material storage barrel 1, and then the melting furnace 3 is started to heat up. When the furnace temperature reaches 550°C, the conveying feeder 2 starts feeding. When the liquid level of the atomizing tundish furnace 5 reaches 2 / 3 and the temperature reaches 500°C, the draft tube 6 starts to heat. When the temperature of the draft tube is higher than At 430°C, the liquid cuprous chloride begins to fall and atomize, and the atomization flow rate is 120KG / h. The motor speed of the atomizing disc 7 is 20,000 rpm, the ...

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Abstract

The invention relates to a melting atomization system, a high-activity spherical cuprous chloride catalyst prepared through the system and a preparation method of the high-activity spherical cuprous chloride catalyst.The melting atomization system comprises a material storage barrel, a conveying feeder, a melting furnace, an atomizing tank and a screening mechanism which are sequentially connected.A rapid melting device and an atomizing tundish furnace are arranged in the melting furnace.An atomizing plate is arranged in the atomizing tank.The atomizing tundish furnace is connected with the atomizing plate through a flow guide pipe.A screen is built in the screening mechanism.The bottom of the screening mechanism is connected with a finished product package machine through a pipeline which is provided with a power discharge valve.The upper portion of the screen is connected with a rough powder collecting tank through a collecting pipeline.The melting furnace rapidly melts a cuprous chloride raw material, then the temperature is raised and kept through the atomizing tundish furnace, and molten liquid is continuously atomized.Spherical cuprous chloride powder can be continuously and industrially produced, the sphericity degree of CuCl powder is good, granularity is quite concentrated, granule dispersity is good, catalysis activity is good, and consistency of catalysis quality is high.

Description

technical field [0001] The invention relates to a production method of spherical inorganic salt powder, in particular to a melt atomization system, a highly active spherical cuprous chloride catalyst prepared by the system and a preparation method thereof. Background technique [0002] Cuprous chloride is a catalyst widely used in the organic synthesis industry. Under its catalysis, it can produce a variety of organic chemical products, such as vinyl acetylene, chlorobutadiene, acrylonitrile, methyl chlorosilane, etc. Especially in the production of methylchlorosilane mixed monomers in the organosilicon industry, it is almost a necessary catalyst. In the petrochemical industry, cuprous chloride is also commonly used as a decolorizer, desulfurizer and release agent, and is mainly used as a catalyst and reducing agent in the oleochemical industry. [0003] At present, the most widely used in the organosilicon synthesis industry is the cuprous chloride powder produced by wet m...

Claims

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Application Information

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IPC IPC(8): B01J2/04B01J6/00B01J27/122
CPCB01J2/04B01J6/005B01J27/10B01J27/122B01J35/08B01J37/0063B01J37/0072B01J37/0081
Inventor 陈新国
Owner HUIJIN ATOMIZING SCI
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