Gas-liquid-solid three-phase reaction bypass monitoring device and application of gas-liquid-solid three-phase reaction bypass monitoring device to storing carbon dioxide mineral

A three-phase reaction and monitoring device technology, applied in measuring devices, chemical/physical processes, specific gravity measurement, etc., can solve the problems of demister mesh blockage, densitometer fouling, poor reliability, etc., to achieve rapid analysis and Judgment, improvement of safety and accuracy, effect of accurate judgment

Pending Publication Date: 2019-03-01
南京浦世环境科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to avoid the influence of air bubbles on the density measurement, the demister with mesh is usually designed to protect the density meter tuning fork. However, in the reaction system with solid formation, the solid material will block the mesh of the demister, resulting in monitoring errors
In addition, the density meter and

Method used

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  • Gas-liquid-solid three-phase reaction bypass monitoring device and application of gas-liquid-solid three-phase reaction bypass monitoring device to storing carbon dioxide mineral

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] Such as figure 1 , A gas-liquid-solid three-phase reaction bypass monitoring device, comprising a horizontal cylindrical monitoring cavity 1, an eccentric reducer 5, a tuning fork densitometer 10 and a pH meter 7, above the monitoring cavity 1 A densimeter placement tube 2 is provided in the vertical direction. The bottom of the density meter placement tube 2 is connected to the monitoring chamber 1. The top entrance of the density meter placement tube 2 is inserted with a tuning fork density meter 10, and the measuring end of the tuning fork density meter 10 extends into Inside the monitoring chamber 1; the upper side wall of the density meter placement tube 2 is provided with a gas phase branch pipe 3, one end of the gas phase branch pipe 3 is connected with the density meter placement tube 2, and the other end is connected to the gas-liquid-solid three-phase reactor through a ball valve 11 and a pipeline 12 is connected; a discharge pipe 4 is provide...

Example Embodiment

[0036] Example 2

[0037] In the gas-liquid-solid three-phase reaction bypass monitoring device, the ratio of the inner diameter of the small end to the inner diameter of the large end of the eccentric reducer 5 is 1:2; the length of the large end of the eccentric reducer is 40 cm; The height of the density meter placement tube is 60 cm; the gap between the tuning fork density meter and the tube wall of the density meter placement tube is 20 mm, and the rest is the same as in Example 1.

[0038] The device is used in the storage of carbon dioxide minerals, the application method:

[0039] (1) Fill an 8 cubic gas-liquid-solid three-phase reactor with 5 cubic meters of reaction liquid containing 1M ammonium chloride and 0.2M magnesium chloride, and blow in flue gas containing 15% carbon dioxide at a flow rate of 300 cubic meters per hour. At the same time, add ammonia gas to keep the pH value of the reaction liquid at 9.3, and pass in circulating cooling water to keep the reaction tem...

Example Embodiment

[0044] Example 3

[0045] In the gas-liquid-solid three-phase reaction bypass monitoring device, the ratio of the inner diameter of the small end of the eccentric reducer 5 to the inner diameter of the large end is 1:2.2; the length of the large end of the eccentric reducer is 60 cm; The height of the density meter placement tube is 80 cm; the gap between the tuning fork density meter and the tube wall of the density meter placement tube is 15 mm, and the rest is the same as in Example 1.

[0046] The device is used in the storage of carbon dioxide minerals, the application method:

[0047] (1) Fill an 8 cubic ammonium magnesium carbonate hydrate reactor with 5 cubic meters of tap water, and add 1,000 kilograms of crude magnesium carbonate hydrate to the reactor at a flow rate of 25 kilograms per minute, while blowing in 90% Nitrogen-lean carbon dioxide tail gas; start the peristaltic pump, and pump the gas-liquid-solid three-phase mixture from the gas-liquid-solid three-phase react...

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Abstract

The invention relates to a gas-liquid-solid three-phase reaction bypass monitoring device which comprises a transverse cylindrical monitoring cavity, an eccentric reducer, a tuning fork density gaugeand a pH (potential of hydrogen) meter. A density gauge placing pipe is arranged on the upper side of the monitoring cavity in the vertical direction, the tuning fork density gauge is inserted in thedensity gauge placing pipe, a measurement end of the density gauge extends into the monitoring cavity, a gas-phase branch pipe is arranged on a side wall of the upper side of the density gauge placingpipe, the other end of the gas-phase branch pipe is communicated with a three-phase reactor, a discharge pipe is arranged on the lower side of the monitoring cavity in the vertical direction, and thebottom of the discharge pipe is communicated with the three-phase reactor; a side wall of the monitoring cavity is communicated with a large-end section of the eccentric reducer, and a small-end section of the eccentric reducer is communicated with the three-phase reactor; a pH meter placing pipe is arranged on the upper side of the monitoring cavity, and the pH meter is inserted in the pH meterplacing pipe. The gas-liquid-solid three-phase reaction bypass monitoring device has the advantages that solid-to-liquid ratio values and pH values of reaction systems can be accurately monitored by the gas-liquid-solid three-phase reaction bypass monitoring device, samples can be taken via a sample taking opening, components can be analyzed, contaminants further can be removed for the tuning forkdensity gauge and the pH meter, the tuning fork density gauge and the pH meter further can be cleaned, and accordingly the safety and the accuracy of processes can be enhanced.

Description

technical field [0001] The invention relates to a bypass monitoring device for gas-liquid-solid three-phase reaction and its application in carbon dioxide mineral sequestration, which belongs to the technical field of chemical industry. Background technique [0002] In the chemical industry, many reactions involve a gas-liquid-solid three-phase reaction process. In these reaction systems, it is usually necessary to accurately analyze the solid-liquid ratio and the composition of the aqueous solution to judge the reaction process. For example, in order to keep up with the world trend and support the national low-carbon emission reduction strategy, Zhao Liang et al. developed a method of sequestering carbon dioxide in industrial flue gas (such as: cement plant flue gas, thermal power plant flue gas, etc.) with magnesium chloride, and used to prepare A method for producing ammonium chloride in parallel with light magnesium carbonate. In the method, liquid ammonia is used to ad...

Claims

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Application Information

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IPC IPC(8): B01J8/02G01N9/00G01N33/00
CPCB01J8/02G01N9/002G01N33/00G01N2009/006
Inventor 朱辰赵良王晗
Owner 南京浦世环境科技发展有限公司
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