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High temperature gas washing and cooling device
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A cooling device and high-temperature gas technology, which is applied in the direction of gas dust removal, water shower cooler, and the manufacture of combustible gas, etc., can solve the problems that affect the long-term operation of the device, high slag plugging at the slag port or in the pipe, high-temperature gas bias flow, etc., to improve The effect of heat and mass transfer, avoiding safety accidents, and prolonging the service life
Active Publication Date: 2014-10-08
EAST CHINA UNIV OF SCI & TECH +1
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[0007] The invention provides a high-temperature gas washing and cooling device in order to overcome the high probability of slag plugging in the slag port or in the pipe in the prior art, which causes high-temperature gas bias flow and then affects the long-term operation of the device.
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[0029] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0030] Such as figure 1 As shown, the high-temperature gas scrubbing and cooling device in this embodiment includes a housing 1, and the top of the housing 1 is provided with an opening 10 for receiving the cooling gas to be scrubbed, and a vertically extending downwards is provided in the housing 1. The air guide pipe 4, the inlet above the air guide pipe 4 is docked with the opening 10, and a washing cooling water distribution ring 6 is provided at the docking position, and a static slag breaker 2 is provided at the lower part of the housing 1. A gas outlet 11 is also provided above the housing 1, and a baffle baffle 12 is provided on the side of the gas outlet 11, so that the gas at the gas outlet side leaves the housing in a deflected manner, flows through the deflected flow, and the outlet is roughly synthesized. Part of...
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Abstract
The invention discloses a high-temperature gas washing and cooling device. The high-temperature gas washing and cooling device comprises a housing. The top of the housing is provided with an opening for receiving gas needing to be washed and cooled. The middle of the housing is provided with a gas-guide tube. An inlet of the gas-guide tube is in a butt joint relationship with the opening. A washing and cooling water distribution ring is arranged at the butt joint position. A lower part of the housing is provided with a static slag breaking device. Multiple pressure atomizers for spraying water mist into the housing to reduce a temperature of the gas needing to be washed and cooled are arranged on the periphery of the housing. Each one of the pressure atomizers comprises a main body, the main body is provided with a port communicated with a washing and cooling water source, an annular flow deflector is arranged in the main body, a front end of the annular flow deflector is provided with a nozzle, and the nozzle points to an outlet of the gas-guide tube. Through combination of vertical falling film spray flowing and pressure atomization, the high-temperature gas washing and cooling device effectively improves heat and mass transmission effects, reduces slag-caused blocking possibility and improves a cooling chamber blocking resistance capability.
Description
technical field [0001] The invention relates to a high-temperature gas washing and cooling device. Background technique [0002] The gasifier is mostly used to process crude synthetic gas, which is produced from hydrocarbons such as coal, natural gas, shale gas, petroleum coke, biomass, sludge, etc. 2 , CO, CO 2 As the main component, its general pressure is 0.2-12MPa, and the temperature is 1000-1800°C. The coal gas contains ash, and its dry gas composition is CO+H 2 =75~94%, CO 2 =2~23%,N 2 , Ar, H 2 S, COS, NH 3 , HCl, CH4, HCN, HCOOH, etc. 3-5%. [0003] In order to use synthetic gas for the production of synthetic ammonia, methanol, oil products, olefins and other chemical industries, combined cycle power generation (IGCC), metallurgical industry (direct reduction ironmaking) and other industrial fields, it must be washed first to remove the ash entrained in it and fly ash. [0004] At present, the chilling process is the most widely used and most mature techno...
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