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Double-molten-pool heating gasification furnace

A gasifier and melting pool technology, applied in the field of new energy equipment, can solve problems such as shortage of energy, achieve the effects of improving uniformity and heating speed, solving energy shortage, and being conducive to green environmental protection

Pending Publication Date: 2022-04-26
SHANGHAI KELAIPU ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a double melting pool heating gasifier, which can make full use of crop straw to prepare combustible gas, replace mineral energy such as petroleum and coal, solve the problem of increasingly scarce energy, and be beneficial to environmental protection

Method used

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Examples

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Embodiment 1

[0027] Embodiment 1 of the present invention provides a double melting pool heating gasifier, such as figure 1 As shown, it includes a gasifier 2, a straw feeding unit and a conversion separation unit. The gasification furnace 2 is a two-way combustion heating furnace, including a regenerative burner 1 and a furnace 33 on both sides. Such as Figure 2-Figure 5 As shown, the hearth is a concave structure, the hearth is provided with an outer melting pool 40 and 14 tungsten tubes 39, both sides of the hearth are provided with heat conduction bars 23, 14 tungsten tubes are located in the middle of the hearth, and the heat conduction bars and tungsten tubes are inserted into the outer melting pool . The tungsten tube is provided with an inner molten pool 60 . The inner molten pool 60 and the outer molten pool 40 can be tin molten pools, or other metal molten pools or non-metallic molten pools. The outside of the tungsten tube 39 is provided with a carbon felt protective layer,...

Embodiment 2

[0037] Another embodiment of the present invention is as Image 6 As shown, it includes a gasifier 2, a regenerative heat exchanger 37, a calcium carbide furnace 36, a straw feeding unit and a conversion separation unit. Such as Figure 7 , Figure 8 As shown, the calcium carbide furnace includes regenerative burners 1 and a furnace 33 on both sides. The furnace is provided with a tungsten tube 39, a calcium carbide tail gas collection chamber 41, a calcium carbide tail gas outlet pipe 42 and a calcium carbide raw material delivery pipe 43. The tungsten tube is a molten pool Heating equipment, the molten pool is a tin molten pool. The calcium carbide raw material delivery pipe is connected to the lower part of the tungsten pipe, the upper part of the tungsten pipe is connected to the calcium carbide tail gas collection chamber, and the calcium carbide tail gas collection chamber is connected to the calcium carbide tail gas outlet pipe. The tungsten tube can be replaced with...

Embodiment 3

[0042] The third embodiment of the present invention is as Figure 9 , Figure 10 As shown, it includes an ironmaking furnace 45, an ironmaking feeding unit and a separation unit. The separation unit includes a cooling condenser 53 , a dust collector 12 , an induced draft fan 13 , an ironmaking furnace gas tank 59 , a hydrogen tank 4 , a nitrogen delivery tank 51 and a hydrogen-nitrogen separator 57 . The hydrogen-nitrogen separator 57 is provided with a hydrogen outlet and a nitrogen outlet. The ironmaking feeding unit includes molten iron ladle 46, iron raw material conveyor 47, cooling condenser 53, CaO powder hopper 48, Fe 2 o 3 Silo 49 and mixer 50. The ironmaking furnace 45 includes regenerative burners 1 and a furnace 33 on both sides. The hearth is a concave structure, and the hearth is equipped with an outer molten pool 40, 20 tungsten pipes 39, an ironmaking furnace gas collection chamber 58, a material nozzle 54, a reducing hydrogen gas nozzle 55 and a slag dis...

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Abstract

The invention relates to a double-molten-pool heating gasifier. The double-molten-pool heating gasifier comprises a gasifier body, a straw feeding unit and a transformation separation unit. The gasification furnace comprises heat accumulating type combustors on the two sides and a hearth, the hearth is of a concave structure and is provided with an outer molten pool and a tungsten pipe, heat conducting bars are arranged on the two sides of the hearth, the heat conducting bars and the tungsten pipe are inserted into the outer molten pool, and an inner molten pool is arranged in the tungsten pipe. The straw feeding unit is provided with a straw drying machine, a straw smashing machine and a straw feeding machine. And the conversion separation unit is provided with a hydrogen conversion and separation device. And the straw dryer is connected with the tungsten pipe through the straw crusher and the straw feeder. An outlet of the gasifier is connected to a gas storage tank which is connected to a hydrogen conversion and separation device. According to the invention, the crop straws are fully utilized to prepare the combustible gas to replace mineral energy such as petroleum and coal, so that the increasingly serious problem of energy shortage is solved, and environmental protection and social sustainable development are facilitated.

Description

technical field [0001] The invention belongs to the technical field of new energy equipment, and relates to a heating gasifier with double melting pools. Background technique [0002] With the rapid development of the economy, the serious destruction of the natural environment, and the increasingly tense energy issues, people have to look for new energy sources and new products to achieve the goal of saving energy and money. In order to conform to the development of the times, the straw of crops, agricultural and forestry waste, etc. are effectively converted into gas. Straw gasification technology uses biomass as raw material and uses water vapor or CO 2 As a gasification agent, the combustible part of biomass is converted into combustible gas through thermochemical reaction under high temperature conditions, and combustible gas is generated after pyrolysis and reduction reaction. [0003] Straw gasification is a combustible gas produced by using biomass through airtight ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/30C10J3/50C10J3/72C10J3/84C10K1/02C21B13/00
CPCC10J3/30C10J3/50C10J3/72C10J3/84C10K1/02C21B13/0073C21B13/0006C10J2300/0916C10J2300/092C10J2300/0976C10J2300/0953
Inventor 贾鹏
Owner SHANGHAI KELAIPU ENERGY TECH CO LTD
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