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Char collection system and char conveyance method

A recovery system and coal coke technology, which is applied in combustible gas purification/transformation, production of combustible gas, machines/engines, etc., can solve problems such as difficult to distinguish coal coke removal pipes

Active Publication Date: 2016-07-20
MITSUBISHI POWER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Since the interior of the char removal pipe is under high pressure in this char recovery system, it is difficult to determine whether the char removal pipe is blocked by char

Method used

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  • Char collection system and char conveyance method
  • Char collection system and char conveyance method
  • Char collection system and char conveyance method

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Embodiment Construction

[0036] Referring to the accompanying drawings, an embodiment of the char recovery system will be described as follows. Such as figure 1 As shown, the coal char recovery system 1 is suitable for the combined coal gasification power generation equipment 2 . This combined coal gasification power generation facility 2 includes coal gasification furnace facilities. The coal gasifier equipment includes a coal supply device 3 , a coal gasifier 5 , a coal char recovery system 1 , and gas refining equipment 6 . The combined coal gasification power generation facility 2 further includes a gas turbine facility 7 , a waste heat recovery boiler 8 , a steam turbine facility 11 , and a generator 12 . The coal supply device 3 produces pulverized coal by pulverizing coal while drying it. The coal gasifier 5 gasifies the pulverized coal generated by the coal supply device 3 and the char recovered by the char recovery system 1 to generate a product gas. Coal coke is formed from unreacted pow...

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Abstract

A char collection system capable of easily determining whether or not a char removal pipe is blocked by char. The char collection system comprises: a stand pipe (31) forming a vertically-downwards facing flowpath (33) through which char is conveyed; and a differential pressure gauge (41) that measures the pressure difference between the pressure in a downstream area (45) in the vertically-downwards facing flowpath (33) and the pressure in an upstream area (46) in the vertically-downwards facing flowpath (33). The pressure difference fluctuates when char accumulates between the downstream area (45) and the upstream area (46) in the vertically-downwards facing flowpath (33). As a result, this kind of char recovery system is capable of easily determining whether or not the vertically-downwards facing flowpath (33) is blocked by char, on the basis of the measured pressure difference.

Description

technical field [0001] The invention relates to a coal char recovery system and a coal char transport method, in particular to a coal char recovery system and a coal char transport method used when recovering coal coke from generated gas. Background technique [0002] Coal gasification combined power plants are known. Coal gasification composite power generation equipment includes coal gasifier, coal coke recovery device, gas refining equipment, gas turbine equipment, waste heat recovery boiler, steam turbine equipment and generator. The coal gasifier produces combustible product gas by gasifying pulverized coal. The generated gas is mixed with coal coke and the like in the combustible gas. [0003] The char recovery unit generates char removal and completes the gas by removing the char from the gas. The gas refining equipment produces refined gas by refining the gas after removal of coal char. The gas turbine equipment burns the refined gas to generate high-temperature,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/46
CPCC10J3/485C10J3/526C10J3/723C10J2300/093C10J2300/094C10J2300/1653C10J2300/1678C10J2300/1807C10K1/026F01K23/067Y02E20/16Y02E20/18C10J3/52F01K23/103
Inventor 山元崇小山智规沟越康隆柴田泰成筱田治人品田治北田昌司
Owner MITSUBISHI POWER LTD
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