Multifunctional carbon-containing substance pyrolysis evaluation device and method

An evaluation device and evaluation method technology, applied in the direction of measuring device, material thermal development, material thermal analysis, etc.

Active Publication Date: 2014-11-19
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the deficiency of dust entrainment and forced convection heat transfer synergistic research in the existing internal heat type and external heat type dry distillation technology, and provides a low tem

Method used

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  • Multifunctional carbon-containing substance pyrolysis evaluation device and method
  • Multifunctional carbon-containing substance pyrolysis evaluation device and method
  • Multifunctional carbon-containing substance pyrolysis evaluation device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Low-temperature pyrolysis evaluation test of carbonaceous substances

[0077] Such as figure 2 As shown, block materials with a particle size of 10-50mm are put into the reactor 1, and then nitrogen gas is injected into the nitrogen purge inlet at the bottom of the reactor 1 to purify the system to achieve a hypoxic environment. The operating conditions such as the pyrolysis temperature, temperature rise program, and pyrolysis time of the reactor 1 are set through the DCS control system, and the reactor 1 is heated according to the temperature control program to perform pyrolysis reactions at different temperatures. The high-temperature (500°C-600°C) raw coal gas generated by the reaction enters the filter 2 of the main road through the pipeline with a heat tracing device to filter the dust and then enters the shell side of the primary condenser 3, and is connected with the flow from the refrigeration unit 5 The cooling medium on the tube side of the primary condenser...

Embodiment 2

[0079] Carrying out the evaluation test of hydropyrolysis of carbonaceous substances

[0080] Such as image 3 As shown, block materials with different properties are put into the reactor 1, and then the system is purged with nitrogen gas from the nitrogen purge inlet at the bottom of the reactor 1 to achieve a hypoxic environment. The operating conditions such as the pyrolysis temperature, temperature rise program, and pyrolysis time of the reactor 1 are set through the DCS control system, and the reactor 1 is heated according to the temperature control program to perform pyrolysis reactions at different temperatures. The hydrogen-rich gas of hydropyrolysis can be provided by the gas distribution system or pumped out by the circulation pump 12 from the existing pyrolysis gas in the gas storage tank 11 and the mixed gas supplemented by the gas distribution system. The gas enters the gas mixing tank 13 and the second flowmeter 14 to adjust the flow rate (which can realize the ...

Embodiment 3

[0084] Carry out forced convection pyrolysis of carbonaceous substances and measurement of dust content

[0085] Such as Figure 4 As shown, block materials (10-50mm) with different particle sizes are put into the reactor 1, and then the nitrogen purge inlet at the bottom of the reactor 1 is injected with nitrogen to purge the system to achieve a hypoxic environment. The operating conditions such as the pyrolysis temperature, temperature rise program, and pyrolysis time of the reactor 1 are set through the DCS control system, and the reactor 1 is heated according to the temperature control program to perform pyrolysis reactions at different temperatures. All the gas (raw material gas) provided by the gas distribution system or the mixed gas drawn from the existing pyrolysis gas in the gas storage tank 11 and supplemented by the gas distribution system through the circulation pump 12 enters the gas mixing tank 13 to stabilize the pressure and the second flow rate After the met...

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Abstract

The invention provides a multifunctional carbon-containing substance pyrolysis evaluation device which comprises a reactor (1), a condensing unit or a dust content testing device (16), a gas oil-water separator (8), a liquid storage tank (9) of the separator, a first gas flow meter (10), a gas storage tank (11) and a forced gas circulation device, wherein the reactor (1), the condensing unit or the dust content testing device (16), the gas oil-water separator (8), the first gas flow meter (10) and the gas storage tank (11) are sequentially communicated with one another; a liquid outlet of the gas oil-water separator (8) is connected with the liquid storage tank (9) of the separator. The multifunctional carbon-containing substance pyrolysis evaluation device can be used for carrying out multiple evaluation tests such as low temperature carbonization, forced-convection heat transfer, hydropyrolysis and dust content measurement as well as quantitative analysis on different types of carbon-containing substances such as coal, biomass, garbage, waste tires, waste organic matters and organic sludge. The invention also provides a multifunctional carbon-containing substance pyrolysis evaluation method.

Description

technical field [0001] The invention relates to a multifunctional carbon-containing material pyrolysis evaluation device and evaluation method. Background technique [0002] In 2012, my country's coal output was 3.65 billion tons, accounting for about 78.4% of the total primary energy production, and coal consumption accounted for about 72.6% of the total primary energy consumption. At the same time, international oil prices continue to rise and fluctuate at high levels. In 2012, China consumed 489 million tons of oil, net oil imports were 284 million tons, and its dependence on foreign countries was 58%, an increase of 1.5% over the previous year. Coal chemical industry has certain competitiveness compared with petrochemical industry. Therefore, the development of low-carbon, clean and efficient utilization of coal is of great significance to alleviate the pressure of sustainable development and energy strategic security issues. Coal is heated under the condition of isola...

Claims

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Application Information

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IPC IPC(8): G01N25/00G01N25/20
Inventor 吴道洪裴培王其成
Owner SHENWU TECH GRP CO LTD
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