Synthetic gas washing system and washing method

A washing method and synthesis gas technology, applied in the field of washing, can solve the problems of poor washing ash removal effect and ash in the washing tower, and achieve the effect of high ash removal efficiency and good purification effect

Inactive Publication Date: 2021-06-11
INNER MONGOLIA CHINACOAL YUANXING ENERGY CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a syngas scrubbing system and a scrubbing method in order to overcome the problems in the prior art that the washing tower is seriously ash-bearing and the ash-removing effect is not good. The scrubbing system and the washing method have a good ash-removing effect

Method used

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  • Synthetic gas washing system and washing method
  • Synthetic gas washing system and washing method
  • Synthetic gas washing system and washing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0065] Embodiment 1-5 syngas scrubbing method is all implemented in the syngas scrubbing system described below:

[0066] The syngas scrubbing system such as figure 1 As shown, the washing system includes a filter 1 and a washing tower 2, the air outlet of the filter 1 is connected to the air inlet 23 of the washing tower 2; the washing tower 2 is sequentially provided with air outlets from top to bottom 21, demister 25, water inlet 22, tray 26, packing layer 27, air inlet 23, water area pool 29 and water outlet 24; Described washing tower 2 also comprises inlet pipe 28, and one end of described inlet pipe 28 Connected with the air inlet 23, the other end of the air inlet pipe 28 extends into the water pool 29; the demister 25, the tray 26, the packing layer 27, and the water pool 29 are arranged in the washing tower 2 inside; the water outlet 24 is arranged at the bottom of the water pool 29; the number of the trays 26 is 4; the distance between the trays 26 is 85cm; the pac...

Embodiment 1

[0068] The synthesis gas (the pressure of the synthesis gas is 6MPa, the temperature of the synthesis gas is 243°C) is sent to the filter 1 for filtration, and then sent to the inlet 23 of the scrubber 2, and enters the water area through the inlet pipe 28 of the scrubber 2 Wash and remove dust in the pool 29, then pass through the packing layer 27 and the tray 26 successively, contact with the pure water from the water inlet 22 in reverse, wash and remove the dust, then enter the demister 25 for defoaming, and finally remove the demister from the demister 25 The upper air outlet 21 is discharged;

[0069] Wherein, the pure water enters from the water inlet 24, flows through each tray 26 below in turn, then flows through the packing layer 27, and then falls into the water area pool 29 with gravity to maintain the liquid level of the water area pool 29, and the excess pure water flows from The water outlet 24 at the bottom of the water area pool 29 is discharged;

[0070] The ...

Embodiment 2

[0072] The synthesis gas (the pressure of the synthesis gas is 6.3MPa, and the temperature of the synthesis gas is 230°C) is sent to the filter 1 for filtration, and then sent to the inlet 23 of the scrubber 2, and enters through the inlet pipe 28 of the scrubber 2 Wash and remove dust in the water area pool 29, then pass through the packing layer 27 and the tray 26 successively, contact with the pure water from the water inlet 22 in reverse, carry out washing and dust removal, then enter the demister 25 for defoaming, and finally remove the demister from the demister The air outlet 21 above the 25 is discharged;

[0073] Wherein, the pure water enters from the water inlet 24, flows through each tray 26 below in turn, then flows through the packing layer 27, and then falls into the water area pool 29 with gravity to maintain the liquid level of the water area pool 29, and the excess pure water flows from The water outlet 24 at the bottom of the water area pool 29 is discharged...

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Abstract

The invention relates to the technical field of washing, and discloses a synthetic gas washing system and a washing method. The washing system comprises a filter and a washing tower, and a gas outlet of the filter is connected with a gas inlet of the washing tower; and the washing tower is sequentially provided with a gas outlet, a demister, a water inlet, a tower tray, a filler layer, a gas inlet, a water area pool and a water outlet from top to bottom. The method comprises the following steps: synthesis gas is conveyed into a filter for filtering, then is conveyed to a gas inlet of a washing tower, enters a water area pool through a gas inlet pipe of the washing tower for washing and dust removal, then sequentially passes through a filler layer and a tower tray, reversely makes contact with purified water from a water inlet for washing and dust removal, then enters a demister for defoaming, and finally, the gas is discharged from a gas outlet above the demister. The system and the method provided by the invention are used for washing the synthesis gas, have a good dust removal effect and have a better purification effect on the synthesis gas.

Description

technical field [0001] The invention relates to the technical field of scrubbing, in particular to a syngas scrubbing system and a scrubbing method. Background technique [0002] In recent years, the coal chemical industry has developed rapidly, and coal gasification technology, as a clean coal technology, is an important direction for clean and efficient use of coal. However, the quality of coal in different regions of my country is quite different, and the ash content in coal has an important impact on the design of coal gasification process and the operation of ash removal equipment. As the key purification equipment in the coal gasification process, the syngas scrubber plays an important role in dehalogenation, dust removal and cooling of the syngas. The dust removal effect of the scrubber is an important factor affecting the stable operation of the gasification device and downstream systems. [0003] In the process of chemical production, there are often fluctuations ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/02C10K1/10
CPCC10K1/02C10K1/024C10K1/101
Inventor 闫明
Owner INNER MONGOLIA CHINACOAL YUANXING ENERGY CHEM CO LTD
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