Device and method for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas
A technology of carbon monoxide and boron oxide, applied in the direction of carbon monoxide, boron oxide compounds, chemical instruments and methods, etc., can solve the problems of no recovery of carbon monoxide gas, easy blockage of pipelines, etc., achieve simple structure, avoid easy blockage of pipelines, and stable operation reliable effect
Inactive Publication Date: 2013-06-05
INST OF PROCESS ENG CHINESE ACAD OF SCI
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[0004] The purpose of the present invention is to provide a device and method for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas, aiming at the defects that the gaseous boron oxide cooling is easy to block the pipeline and the carbon monoxide gas is not recovered in the existing boron carbide production process.
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[0032] The device and method for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas of the present invention will be described below in conjunction with the accompanying drawings and specific implementation methods.
[0033] like figure 1 As shown, the present invention provides a device for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas, which includes: a liquid boron oxide collection system, a boron oxide powder collection system, and a carbon monoxide separation and purification system.
[0034] The liquid boron oxide collection system includes a first cooling water jacket 2, a liquid boron oxide collection tank 7 and an electrostatic cyclone separator 8, wherein the first cooling water jacket 2 is inclined downward at an inclination angle of 5°-40° ;
[0035] The boron oxide powder collection system includes a second cooling water jacket 11, a heat pipe heat exchanger 12, a boron oxide powder collection bucket ...
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The invention relates to a device and a method for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas. The device comprises a liquid boron oxide collection system, a boron oxide powder collection system and a carbon monoxide separation purification system. The liquid boron oxide collection system comprises a first cooling water sleeve (2), a liquid boron oxide collection tank (7) and a static cyclone separator (8), wherein the first cooling water sleeve (2) tilts downward at an inclined plane of 5 to 40 degrees. The boron oxide powder collection system comprises a second cooling water sleeve (11), a heat pipe heat-exchanger (12), a boron oxide powder collection hopper (17), a bag-type dust collector (18) and an induced draft fan (19). The device and the method realize proper treatment on effluents in boron carbide smelting tail gas, realizes effective recovery of boron oxide and carbon monoxide gas and recovery of waste heat of boron carbide smelting tail gas, and avoids harmful gas emission and pipe blocking caused by gaseous boron oxide cooling.
Description
technical field [0001] The invention relates to the field of waste gas treatment. Specifically, it relates to a device and method for recovering boron oxide and carbon monoxide from boron carbide smelting tail gas. Background technique [0002] Since boron carbide was discovered in 1858, 16 species have been discovered so far. Most scholars believe that there is a boron carbide compound from B 4 C to B 10.5 A very wide homogeneous region of C, the material in this homogeneous region is commonly known as boron carbide, stoichiometric B 4 C is an ideal situation. Boron carbide is a non-metallic refractory compound whose hardness is second only to diamond and boron nitride. Boron carbide has the characteristics of high hardness, high modulus, low density, high chemical stability, neutron absorption cross section and thermoelectric properties due to its covalent bond properties, so boron carbide micropowder and its products are widely used in many fields Applications, such...
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IPC IPC(8): C01B35/10C01B31/18B01D50/00B01D53/00C01B32/40
CPCY02P20/129
Inventor 汤根土胡万起李道招王晓岚李竹川
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI