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Carbon/oil/gas co-production integrated device and method

An integrated, carbonization technology, applied in chemical instruments and methods, inorganic chemistry, carbon compounds, etc., can solve the problems of insufficient utilization of waste heat, poor environmental protection, cumbersome system, etc., and achieve the effect of improving the level of automation, reasonable layout, and improving thermal efficiency.

Pending Publication Date: 2019-03-12
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the shortcomings of the existing technology, one of the purposes of the present invention is to provide an integrated device for cogeneration of charcoal / oil / gas, which can solve the problems of insufficient utilization of waste heat, cumbersome systems, poor controllability, and poor environmental protection.

Method used

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  • Carbon/oil/gas co-production integrated device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] An integrated device for cogeneration of carbon / oil / gas, such as figure 1 As shown, the device mainly includes a feeder 1, a screw conveyor 2, a flue gas channel 3, a drying section air chamber 4, a pyrolysis section air chamber 5, an activation section air chamber 6, an activation gas inlet 7, and a cooling water vapor pipeline 8. Discharge sealing tank 9, flue gas outlet pipe 10, pyrolysis gas channel 11 in the drying section, pyrolysis gas channel 12 in the pyrolysis section, cyclone separator 13, pyrolysis gas channel 14 in the activation section, pyrolysis gas channel 15, Multi-stage condensing device 16, gas cabinet 17, liquid collector 18, high temperature flue gas channel inlet 19.

[0053] The device is integrated, the center is the flue gas channel 3, the screw conveyor 2 surrounds the flue gas channel 3, the feeder 1 is connected to the inlet of the screw conveyor 2, and the screw conveyor 2 is divided into a drying section, a pyrolysis section, and an activa...

Embodiment 2

[0060] The device described in Example 1 was used to realize biomass pyrolysis polygeneration.

[0061] Step 1, sending the biomass pellets (moisture content is 15%) into the screw conveyor 2 through the feeder 1, and the feed rate is 500kg / h;

[0062] Step 2. Control the reaction temperature of the drying furnace to be 200° C., and the solid phase residence time to be 20 minutes. The dried material is conveyed into the pyrolysis section through screw conveying, and the feed rate is about 400 kg / h (moisture content is 5%);

[0063] Step 3. Control the pyrolysis reaction temperature to 500°C. The high-temperature pyrolysis gas phase product is passed into a three-stage condenser. After condensation, a liquid product and a non-condensable combustible gas are obtained. The yields are 160kg / h and 80kg / h respectively. The semi-coke is transported downwards by spiral and enters the activation section, and the feed rate is 160kg / h;

[0064]Step 4. Control the activation reaction tem...

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Abstract

The invention discloses a carbon / oil / gas co-production integrated device and method. The carbon / oil / gas co-production integrated device comprises a carbonization and activation integrated furnace which is composed of an inner sleeve and an outer sleeve; the outer sleeve sleeves the inner sleeve; a channel in the inner sleeve serves as a flue gas channel, and an annular channel formed between the inner sleeve and the outer sleeve serves as a material conveying channel; the carbonization and activation integrated furnace is provided with a spiral conveyor, and a spiral blade of the spiral conveyor is arranged in the material conveying channel along the outer wall of the inner sleeve; the carbonization and activation integrated furnace is sequentially divided into an activation section, a pyrolysis section and a drying section; gas chambers are formed in the upper parts of all the sections correspondingly, and ventilating openings are formed in the outer sleeve walls connected with all the gas chambers correspondingly; a flue gas inlet of the flue gas channel and a material inlet of the material conveying channel are located in the two ends of the carbonization and activation integrated furnace correspondingly; an activation gas inlet is formed in the outer sleeve wall of the activation section; and a pyrolysis gas outlet of the gas chamber of the pyrolysis section is connected with an inlet of a cyclone separator, and a gas phase outlet of the cyclone separator is connected with a condenser.

Description

technical field [0001] The invention relates to a method and an integrated device for obtaining high-value products such as activated carbon, bio-oil and combustible gas by pyrolysis polygeneration. Background technique [0002] According to statistics, there are currently 170 billion tons of biomass resources in the world, and China accounts for 30%, which can be said to be rich in resources. However, agricultural and forestry wastes with high added value, such as crop straws, fruit tree branches, and fruit stones, still have single utilization methods and limited utilization. In order to solve the problem of low efficiency, it is urgent to realize high-value utilization. In this regard, the existing technology uses pyrolysis to prepare biomass into charcoal, bio-oil and gas products. Among them, charcoal activation can produce high-quality activated carbon commercial products, and gas products can be condensed to obtain bio-oil and extract high-value wood vinegar. / smoke ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10B57/10C01B32/39
CPCC10B53/02C10B57/10C01B32/39Y02E50/10
Inventor 马春元宋占龙孙静张圣龙李国栋刘松左鹏曹荣莉
Owner SHANDONG UNIV
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