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A chemical raw material microwave concentration device and concentration method thereof

A technology for chemical raw materials and concentration devices, applied in chemical instruments and methods, separation methods, chemical/physical processes, etc., can solve the problems of secondary environmental pollution, pipeline blockage of concentration equipment, and gas emissions in the environment, so as to reduce environmental pollution. Emissions, reduced waste content, reduced concentration costs

Active Publication Date: 2017-01-25
GUIZHOU YUANSHENG POTASSIUM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, after reprocessing the waste gas and intermediates generated in industrial production, they are used as chemical raw materials. However, the concentration of chemical raw materials obtained in this way is usually low, and they need to be concentrated before they can meet the requirements of industrial chemical industries. The demand for raw materials; for these chemical raw materials, they are usually solutions containing fluorine, sulfur, and chlorine. If they are not concentrated properly, it will cause fluorine-containing gases, sulfur-containing gases, and chlorine-containing gases to be discharged into the air. , causing secondary pollution to the environment
At the same time, in the existing concentration technology, the concentration technology and concentration equipment for the above-mentioned chemical raw materials are generally multi-effect concentration and falling film concentration; and whether it is multi-effect concentration or falling film concentration, high temperature and high pressure steam or hot air are required as heat sources Provide concentration energy, and these high-temperature and high-pressure steam or hot air need to heat and transfer heat to the non-essential heating device after entering the concentration device, resulting in high energy consumption and long concentration time of the overall concentration equipment. The concentration process is complicated, and it is easy to cause blockage of the pipeline of the concentration equipment, resulting in high concentration costs; at the same time, the temperature of the gas discharged after concentration is relatively high, and the absorption of the gas is not complete during the absorption process, resulting in partial gas discharge In the environment, causing secondary pollution of the environment

Method used

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  • A chemical raw material microwave concentration device and concentration method thereof

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Effect test

Embodiment 1

[0030] Such as figure 1 As shown, a microwave concentration device for chemical raw materials includes a reactor and a heat dissipation unit 13, wherein the reactor consists of a reaction shell 11, a liquid discharge port 6 arranged at the bottom end of the reaction shell 11, and an air outlet 1 arranged at the top end of the reaction shell 11. The bubble generating mechanism 5 provided on the left and right sides of the liquid discharge port 6, the feed port 8 provided in the upper part of the reaction shell 11, the temperature control unit 9 provided at the lower end of the feed port 8, and the temperature control unit 9 is provided on the opposite side The sampling port 7 and the inner lining 10 in the reaction shell 11; the heat dissipation unit 13 is composed of a heat dissipation fan 2 arranged inside the heat dissipation unit 13 and a heat dissipation shell 14 wrapped outside the heat dissipation unit 13; the heat dissipation unit 13 and the reactor The heat dissipation ...

Embodiment 2

[0044] The method for microwave concentration of chemical raw materials using a chemical raw material microwave concentration device includes the following steps:

[0045] (1) Feeding: Add 1% of the dilute chemical raw materials into the reactor through the pump through the feed port 8. Turn on the bubble generating mechanism 5, so that the bubble generating mechanism 5 generates bubbles at the bottom of the reactor. The blast volume is 1m 3 / min, stir the chemical raw material solution in the reaction kettle through the impulse of bubbles, and set it aside;

[0046] (2) Concentration: The concentration step of the chemical raw materials to be used in step 1) is divided into one-step concentration and two-step concentration. In the one-step concentration, a microwave generator 3 is used to emit microwaves with a frequency of 300MHz into the chemical raw material solution and adjust The temperature of the solution is 40°C, microwave treatment is 30min; then the emission frequency of...

Embodiment 3

[0050] The method for microwave concentration of chemical raw materials using a chemical raw material microwave concentration device includes the following steps:

[0051] (1) Feeding: add 20% of the dilute chemical raw materials into the reactor through the pump from the feed port 8 and turn on the bubble generating mechanism 5 so that the bubble generating mechanism 5 generates bubbles at the bottom of the reactor. The blast volume is 6m 3 / min, stir the chemical raw material solution in the reactor through the impulse of bubbles, and set it aside;

[0052] (2) Concentration: The concentration step of the chemical raw materials to be used in step 1) is divided into one-step concentration and two-step concentration. In the one-step concentration, a microwave generator 3 is used to emit microwaves with a frequency of 3000 MHz into the chemical raw material solution and adjust The temperature of the solution is 60°C, microwave treatment for 1 min; then adjust the emission frequency ...

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Abstract

The invention relates to the technical field of chemical raw material concentration, particularly a chemical raw material microwave concentrator and a concentration method thereof. A microwave generator is arranged between a reaction kettle and a heat dissipation unit in the chemical raw material microwave concentrator, and the bottom end of the reaction kettle is provided with a bubble generation mechanism, so that the bubbles generated by the bubble generation mechanism can stir the chemical raw material solution in the reaction kettle, and the chemical raw material solution is subjected to irradiation treatment by the microwave generator, thereby lowering the final concentration temperature; and the method has obvious concentration effect, can avoid high energy consumption, lowers the concentration cost of the chemical raw materials, avoids the secondary environmental pollution caused by the gas discharged in the concentration process, and has obvious environment-friendly value and economic benefit.

Description

Technical field [0001] The invention relates to the technical field of chemical raw material concentration, in particular to a chemical raw material microwave concentration device and a concentration method thereof. Background technique [0002] At present, after the waste gas and intermediates produced in industrial production are reprocessed, they are used as chemical raw materials, and the concentration of the chemical raw materials obtained in this way is usually low, and it needs to be concentrated before it can meet the requirements of industrial chemical industry. The demand for raw materials; and these chemical raw materials are usually fluorine, sulfur, and chlorine-containing solutions. If they are not properly concentrated, they will cause fluorine-containing gas, sulfur-containing gas, and chlorine-containing gas to be discharged into the air. , Causing secondary pollution of the environment. At the same time, in the existing concentration technology, the concentrati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/26B01J19/12B01D3/00
CPCB01D3/00B01J19/126B01J19/26B01J2219/1221
Inventor 邹锡洪薛希仕任伟陈世毅
Owner GUIZHOU YUANSHENG POTASSIUM TECH
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