CN106635171B - A kind of method and apparatus of biomass pressurized gasification production coal gas - Google Patents
A kind of method and apparatus of biomass pressurized gasification production coal gas Download PDFInfo
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- CN106635171B CN106635171B CN201611217791.9A CN201611217791A CN106635171B CN 106635171 B CN106635171 B CN 106635171B CN 201611217791 A CN201611217791 A CN 201611217791A CN 106635171 B CN106635171 B CN 106635171B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/80—Other features with arrangements for preheating the blast or the water vapour
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1687—Integration of gasification processes with another plant or parts within the plant with steam generation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of method of biomass pressurized gasification production coal gas is that gasification furnace is added in biomass, gasifying agent enters gasification furnace from gasification furnace bottom and gasifies, gasify the dust-laden generated, the coal gas of oil is sent into integral type oil gas cracking clarifier and carries out cracking purification, Pintsch process is carried out in cracker combustion chamber, subsequently into clarifier, recirculated water is passed through in the double-deck water leg of clarifier, and porous media is loaded in clarifier, for recycling the heat in cracker and adsorbing the dust in coal gas, coal gas after recycling heat is drawn by gas passage from gas exit, saturated vapor is produced simultaneously.The present invention, which has, continuously and stably produces no tar, H2The adjustable synthesis gas of/CO ratio, the small advantage of coal gas water pollution.
Description
Technical field
The invention belongs to a kind of method for producing coal gas, in particular to a kind of method of biomass pressurized gasification production coal gas
And equipment.
Background technique
The energy is the basis that modern society depends on for existence and development, the supply capacity substantial connection of the energy national economy
Sustainable development is one of the basis of national strategy safety guarantee.The current main energy sources in China are from coal, petroleum, natural gas
Etc. fossil energies, fossil energy is limited outer in addition to storing as the disposable energy, and when utilization necessarily causes air pollution, greatly
Gas warms, sea level rise and the environmental problems such as acid rain.In the long run consider, it is necessary to seek one or more reproducible energy
Source is as supplement, development in pluralism.Biomass energy is low-sulphur fuel that is renewable and not will increase greenhouse gases, can also reduce ring
Border public hazards, fuel characteristic use for reference the utilization experience of young brown coal similar to lignite, develop and use biomass energy, meet circulation
Economic theory.
For biomass by gasification, production fuel gas, synthetic liquid fuel, synthesis of chemicals technology become clean effective heat
Chemical conversion technology, therefore gasification of biomass has become one of the main path that biomass energy is converted into the high-quality energy.At present
Widely used biomass gasification technology mainly has fixed bed gasification and fluidized gasification.Fixed bed gasification is generally using air as gas
Agent, gasification furnace type have happy formula gasification furnace, horizontal draft gasification furnace, uniflow gas stove, down-draft type gasifying furnace, have equipment
The features such as structure is simple, easily operated.Fluidized-bed gasification furnace can be divided into bubbling fluidization bed gasification furnace, circle fluidized-bed gasification furnace and
Double-fluidized-bed gasification furnace, have the characteristics that be heated evenly, tar content it is few, these technologies are normal pressure or low pressure, gasification at present
Pressure does not exceed 1.0MPa, and processing capacity is small, and the tar that gasification when generates can result in blockage and corrode to subsequent equipment,
Gasify the synthesis gas H produced2/ CO ratio is single, dust-laden, the problems such as gasification waste water containing tar is more.
Chinese patent, the patent No.: 201210493250.4 disclose a kind of biomass fixed-bed pressurized gasification preparation synthesis
The method and device thereof of gas, vapor pressure remain as low pressure, and vapor pressure is up to 0.6MPa, also produce without solving gasification
It is raw to result in blockage to equipment and etching problem, to the H of synthesis gas2/ CO ratio is also without regulatory function, or even in gasification
It is middle to generate more dust-ladens, the gasification waste water containing tar.
Through retrieving, does not find that using biomass be raw material through fixed bed, be higher than 1.0MPa pressurized gasification in pressure and prepare coal gas
Method, the especially coal gas technology of fixed bed pressured gasification production not oil-containing, organic sulfur and hydrocarbons.
Summary of the invention
The object of the invention is to provide a kind of not oil-containing, organic sulfur to overcome the disadvantage and deficiency in above-mentioned technology
With the method and its equipment of the biomass pressurized gasification production coal gas of hydrocarbons.
In order to achieve the above object, inventor is first by having carried out largely biomass material characteristic and vaporization characteristic
Then experimental study calculates the experience in design with many years by largely simulation, has invented a kind of biomass pressurized gasification
The method for producing coal gas.
A kind of method of biomass pressurized gasification production coal gas provided by the invention, includes the following steps:
(1) by biomass be prepared into partial size be 12mm-80mm material, by feeder be added gasification furnace, gasifying agent from
Gasification furnace bottom enters gasification furnace and gasifies, and the dust-laden for generation of gasifying, the coal gas of oil are sent into integral type oil gas and crack clarifier
Cracking purification is carried out, gasification lime-ash and gasifying agent are discharged after exchanging heat in gasifier；
(2) dust-laden, the coal gas of oil and oxygen carry out Pintsch process by burner nozzle divided combustion in cracker combustion chamber,
The oil in raw gas, hydrocarbons, organic sulfur etc. is set to be cracked into small-molecule substance, subsequently into clarifier；
(3) it is passed through recirculated water in the double-deck water leg of clarifier, and loads the porous of 1/3-2/3 volume in clarifier
Medium, for recycle the heat in cracker and adsorb coal gas in dust, recycle heat after coal gas by gas passage from
Gas exit is drawn, while producing saturated vapor.
The biomass is agriculture and forestry organic waste material, with grindability is poor, density is small, volatile matter is high, moisture is high, ash content
Less, calorific value it is low, it is difficult the characteristics such as be slurried, for the present invention, the Wooden Biomass such as fuel wood are optimal gasified raw materials.
The biomass fixed-bed pressurized gasification technology is the fixation developed for biomass material characteristic and vaporization characteristic
Bed pressurized gasification technology, the technology are low to feed stock for blast furnace requirement, such as:
(1) feed stock for blast furnace is bulk, and granularity is in 12-80mm.Biomass grindability is poor, difficulty is slurried, but is easily made
Raw material of the granularity in 12-80mm；
(2) moisture of raw material, ash content, thermostabilization, volatile matter, calorific value etc. are not limited strictly, so for life
The carbon-rich materials that material density is small, volatile matter is high, moisture is high, ash content is few, calorific value is low can also gasify；
(3) fixed bed pressured gasification technical operation is operated below ash fusion point, does ash discharge, rich alkali metal in biomass ash
Normal operation is nor affected on the characteristic of alkaline-earth metal.
(4) the fixed bed pressured gasification technical operation condition described in: gasification temperature is with biological qualitative change, and gasification temperature is in 750-
1050 degree, vapor pressure 1.0-6.0MPa, gasifying agent is Diversity gasifying agent, and conveniently regulating and controlling coal gas composition reduces gas liquor
Production quantity.The biomass pressurized gasification technology designed according to biomass material characteristic and gasification property.
Gasification furnace is added by feeder in the biomass for being 12-80mm by partial size, and gasifying agent enters gas from gasification furnace bottom
Change furnace, the group of gasifying agent becomes the mixed gas of steam, oxygen and carbon dioxide composition, steam: the ratio of oxygen and carbon dioxide
Value is in 2.0-9.0kg:1Nm3: 0-6Nm3, vapor pressure is between 1.2MPa-6.0MPa, gasification temperature 750-1050 degree.
The temperature of cracker combustion chamber is higher than 1300 degree, and in 0.8-5.6MPa, oxygen and coal gas are pressure according to volume ratio
The ratio of 1:6.0-10.0 enters cracker burning after mixing by burner with the speed of 60m/s-70m/s and cracks, and generates small point
Sub- substance.
The small-molecule substance being cracked to form enters clarifier, by being dusted when filling porous media, uses clarifier
Dust content reaches 5mg hereinafter, the heat generated is recycled by double-jacket in raw gas, and production pressure is the full of 0.6-5.0MPa
And steam.
Porous media into clarifier 3 is catalyst, active carbon, coke or fire resistant filter material.
In order to reach the purpose of the present invention, integral type oil gas cracking clarifier is devised, it includes burner, cracker and net
Change device, burner, cracker and clarifier coupling are integrated, and the top of cracker connects burner, and cracker and clarifier pass through shell
Body is connected as one, and top is cracker, and lower part is clarifier.
Burner 1 is provided with fuel gas inlet, oxygen inlet, cooling water inlet, cooling water outlet and igniting check device, from interior
To outer, it is disposed with blast tube, the first cooling-water duct, oxygen channel and the second cooling-water duct, combustion gas from top to bottom
There is a fuel gas inlet in channel, and the first cooling-water duct has the first cooling water inlet, the first cooling water outlet, oxygen channel have oxygen into
Mouthful, the second cooling-water duct has the second cooling water inlet, and the second cooling water outlet has igniting check device in blast tube,
The firing tip of igniting check device is located at combustion gas and oxygen mix.
Burner as described above is fabricated structure, guarantees that burner is in low temperature, expands material selection range, extends burner
Service life, igniting check device are examined by arc ignition, detection by temperature control for lighting a fire and detecting ignition conditions, igniting
Look into, have structure it is simple, using conveniently, safely the characteristics of.
The cracker includes shell and thermal insulating warm-keeping layer, and inner walls have thermal insulating warm-keeping layer, the lower part of thermal insulating warm-keeping layer
For pyramidal structure, inner cavity is combustion chamber, and bottom uses throat structure.
Pyramidal structure, the design of thermal insulating warm-keeping layer of cracker as described above, reduce heat dissipation capacity, make combustion chamber temperature can
To reach 1300 DEG C or more, high temperature the carbon-rich materials such as hydrocarbons, tar in coal gas, organic sulfur etc. can be cracked into CO,
CO2、H2And H2The small-molecule substances such as S, while consuming the free oxygen in purified gas and all participating in reaction.
Clarifier as described above be include shell and the double-deck water leg, the double-deck water leg upper surface and thermal insulating warm-keeping layer taper
Inclined-plane it is parallel, and form Porous Channel, have porous media import on Porous Channel, in the double-deck water leg upper surface
There is water leg straight section downwards, water leg straight section and shell form purified gas channel, and gas exit is located at purified gas channel roof, shell
There is waste gate in body bottom end, and water leg admission port is arranged at the bottom of the double-deck water leg, and steam (vapor) outlet is arranged at top.
Beneficial effects of the present invention are as follows:
(1) method and apparatus of a kind of gasification of biomass of the invention production synthesis gas can continuously and stably utilize life
Gasification substance is produced without H in tar, coal gas2The adjustable synthesis gas of/CO ratio, condensation water process is simple, which has significant
Energy conservation, emission reduction, water-reducing effect.
(2) integral type oil gas used in a kind of method of gasification of biomass of the invention production synthesis gas cracks clarifier
Dexterously pyrolysis oven and clarifier coupling are integrated, equipment is simple, takes up an area few advantage.
(3) it is equipped with thermal insulating warm-keeping layer and throat structure in the cracker inner wall of gasification outlet setting, cracking temperature can be made
Up to 1300 DEG C or more, to carbon-rich materials such as hydrocarbons, tar, organic sulfur etc. is once cracked into CO, CO2、H2And H2S etc. is small
Molecular substance, oxygen all participate in reaction.There is no hydro carbons, phenols and oil compounds to exist in subsequent gas liquor, without big
Water washing is measured, keeps gas liquor treating capacity small, low energy consumption, pollution is small, and operating cost significantly reduces.
(4) clarifier that a kind of method of gasification of biomass of the invention production synthesis gas uses is water leg structure, can
It is sufficiently recycled with the sensible heat of the high-temperature gas generated to cracker.Clarifier internal porous medium uses active carbon, coke,
The dust carried to gas after cracking plays catharsis, at the same carbon dioxide caused by also tar fraction can burn with
And the aqueous vapour reducing in coal gas is flammable carbon monoxide, hydrogen increases gas yield, adjusts the H in coal gas2/ CO ratio
Effect.
Detailed description of the invention
Fig. 1 is a kind of method flow schematic diagram of gasification of biomass production synthesis gas of the invention.
Fig. 2 is the integral type oil gas cracking clarifier structural schematic diagram that the present invention uses.
In figure, 1- burner, 2- cracker, 3- clarifier, 4- fuel gas inlet, 5- oxygen inlet, the first cooling water of 6-1- into
Mouthful, the first cooling water outlet of 7-1-, the second cooling water inlet of 6-2-, the second cooling water outlet of 7-2-, 8- igniting check device, 9-
Thermal insulating warm-keeping layer, 10- bilayer water leg, 11- Porous Channel, 12- water leg straight section, 13- shell, 14- gas exit,
15- waste gate, 16- porous media import, 17- water leg admission port, 18- steam (vapor) outlet.
Specific embodiment
Present invention will be further explained by specific examples below, it should be understood that these embodiments are only to use
In in more detail, specifically describe and be used, but should not be understood as present invention is limited in any form.
This part carries out general description to the material and test method arrived used in the present invention.Although to realize
Many materials and operating method used in the present invention are it is known in the art that still the present invention still makees as far as possible in detail herein
Description.It will be apparent to those skilled in the art that within a context, if not specified, material therefor of the present invention and operating method are
It is well known in the art.
More detailed description is done to a specific embodiment of the invention below in conjunction with attached drawing.
Embodiment 1
Integral type oil gas cracks clarifier, it includes burner 1, cracker 2 and clarifier 3, burner 1, cracker 2 and purification
The coupling of device 3 is integrated, and the top of cracker 2 connects burner 1, cracker 2 and clarifier 3 and is connected as one by shell 13, on
Portion is cracker 2, and lower part is clarifier 3.
Burner 1 is provided with fuel gas inlet 4, oxygen inlet 5, cooling water inlet, cooling water outlet and igniting check device 8,
From inside to outside, it is disposed with blast tube, the first cooling-water duct, oxygen channel, the second cooling-water duct, combustion from top to bottom
There is a fuel gas inlet 4 in gas channel, and the first cooling-water duct has the first cooling water inlet 6-1, the first cooling water outlet 7-1, and oxygen is logical
There is oxygen inlet 5 in road, and the second cooling-water duct has the second cooling water inlet 6-2, the second cooling water outlet 7-2, in blast tube
Inside there is igniting check device 8, the firing tip of igniting check device 8 is located at combustion gas and oxygen mix.
The cracker 2 includes shell 13 and thermal insulating warm-keeping layer 9, and 13 inner wall of shell has thermal insulating warm-keeping layer 9, thermal insulating warm-keeping layer
9 lower part is pyramidal structure, and inner cavity is combustion chamber, and bottom uses throat structure.
The clarifier 3 be include shell 13 and the double-deck water leg 10, double-deck 10 upper surface of water leg and thermal insulating warm-keeping layer 9
The face Dou of taper is parallel, and forms Porous Channel 11, has porous media import 16 on Porous Channel 11, in Double-layer water
There is water leg straight section 12 in 10 upper end of collet downwards, and water leg straight section 12 and shell 13 form purified gas channel, gas exit 14
Positioned at purified gas channel roof, there is waste gate 15 in 13 bottom end of shell, and water leg admission port is arranged at the bottom of the double-deck water leg 10
17, steam (vapor) outlet 18 is arranged at top.
Burner 1 is fabricated structure, is disposed with blast tube, cooling-water duct, oxygen channel, cooling in place from interior
Aquaporin guarantees that burner is in low temperature, and the igniting check device 8 that burner 1 is arranged leads to combustion gas out of blast tube and oxygen is mixed
For lighting a fire and detecting ignition conditions at conjunction, igniting passes through temperature control inspection by arc ignition, detection.
The double-deck water leg 10 of clarifier 3 and the connection of water leg straight section 12 are generated by 17 water supply of water leg admission port
Steam drawn by steam (vapor) outlet 18；The porous media that clarifier 3 enters is the particle of 6-15mm, is packed into the porous of clarifier 3
Medium is catalyst, and loadings are the 2/7 of clarifier volume.
The gasification of the present embodiment is as follows:
The poplar that partial size is 20-79mm will be prepared into, gasification furnace is added by feed bin, with steam, oxygen and carbon dioxide
Ratio is 2.2kg:1Nm3:6Nm3, vapor pressure 1.2MPa, temperature is 990 degree, passes through gasifier gasification, the coal gas and oxygen of generation
Gas, by entering cracker after burner mixing with the speed of 62m/s, is 1525 in temperature according to the ratio that volume ratio is 1:8.36
The lower burning cracking of degree, generates small-molecule substance.The small-molecule substance being cracked to form enters clarifier, when by filling porous media
It is dusted, uses dust content in clarifier raw gas and reach 5mg hereinafter, the heat generated passes through double-jacket recycling, production
Pressure is the saturated vapor of 0.62MPa.
Embodiment 2
The porous media for being packed into clarifier 3 is active carbon, and loadings are the 11/18 of clarifier volume.
Biomass is prepared into the poplar that partial size is 12mm-60mm, gasification furnace is added by feed bin, with steam, oxygen and two
The ratio of carbonoxide is 4.5kg:1Nm3:3.7Nm3, vapor pressure 3.0MPa, temperature is to pass through gasifier gasification, life under 850 degree
At coal gas and oxygen according to the ratio that volume ratio is 1:1.0-5.0 by with the speed of 67m/s entering cracking after burner mixing
Device, cracking of burning in the case where temperature is higher than 1305 degree, generates small-molecule substance.The small-molecule substance being cracked to form enters clarifier,
By being dusted when filling porous media, uses dust content in clarifier raw gas and reach 5mg hereinafter, the heat generated passes through
Double-jacket recycling, the saturated vapor that production pressure is 2.8MPa, remaining is such as embodiment 1.
Embodiment 3
The porous media for being packed into clarifier 3 is coke, and loadings are the 1/2 of clarifier volume.
Biomass is prepared into the poplar that partial size is 15-70mm, gasification furnace is added by feed bin, with steam, oxygen and dioxy
The ratio for changing carbon is 4kg:1Nm3:3.8Nm3With the ratio of steam and oxygen in 4.0kg/Nm3, vapor pressure 2.45MPa, temperature
It is 860 degree, by gasifier gasification, after the coal gas and oxygen of generation are mixed according to the ratio that volume ratio is 1:9.15 by burner
Enter cracker with the speed of 65m/s, cracking of burning under 1356 degree of temperature generates small-molecule substance.Small point be cracked to form
Sub- substance enters clarifier, by filling porous media when be dusted, use dust content in clarifier raw gas reach 3mg with
Under, the heat of generation is recycled by double-jacket, and the saturated vapor that production pressure is 2.2MPa, remaining is such as embodiment 1.
Embodiment 4
The porous media for being packed into clarifier 3 is catalyst, and loadings are the 3/7 of clarifier volume.
Biomass is prepared into the poplar that partial size is 15-60mm, gasification furnace is added by feed bin, with steam, oxygen and dioxy
The ratio for changing carbon is 6.5kg:1Nm3:2Nm3, vapor pressure 4.5MPa, temperature is under 820 degree, by gasifier gasification, generation
Coal gas and oxygen enter cracker after mixing for the ratio of 1:7.20 by burner according to volume ratio with the speed of 68m/s, in temperature
1315 degree of degree lower burning cracking, generate small-molecule substance.The small-molecule substance being cracked to form enters clarifier, porous by loading
It is dusted when medium, uses dust content in clarifier raw gas and reach 4mg hereinafter, the heat generated is recovered by Double-layer clamp
It receives, the saturated vapor that production pressure is 4.2MPa, remaining is such as embodiment 1.
Embodiment 5
The porous media for being packed into clarifier 3 is coke, and loadings are the 2/5 of clarifier volume.
Biomass is prepared into the poplar that partial size is 20-68mm, gasification furnace is added by feed bin, with steam, oxygen and dioxy
The ratio for changing carbon is 8.7kg:1Nm3:0Nm3, vapor pressure 5.6MPa, temperature is under 780 degree, by gasifier gasification, generation
The ratio that coal gas and oxygen are 6.25 according to volume ratio is by entering cracker after burner mixing with the speed of 63m/s, in temperature
Higher than 1420 degree lower burning cracking, generate small-molecule substance.The small-molecule substance being cracked to form enters clarifier, more by loading
It is dusted when the medium of hole, uses dust content in clarifier raw gas and reach 5mg hereinafter, the heat generated is recovered by Double-layer clamp
It receives, the saturated vapor that production pressure is 5.4MPa, remaining is such as embodiment 1.
Claims (1)
1. integral type oil gas cracks clarifier, it includes burner (1), cracker (2) and clarifier (3), it is characterised in that burner
(1), cracker (2) and clarifier (3) coupling are integrated, and the top of cracker (2) connects burner (1), cracker (2) and purification
Device (3) is connected as one by shell (13), and top is cracker (2), and lower part is clarifier (3)；The burner (1) is provided with
Fuel gas inlet (4), oxygen inlet (5), cooling water inlet, cooling water outlet and igniting check device (8), from inside to outside, from upper
Blast tube, the first cooling-water duct are disposed under, oxygen channel and the second cooling-water duct, blast tube have combustion gas
Import (4), the first cooling-water duct have the first cooling water inlet (6-1), and the first cooling water outlet (7-1), oxygen channel is aerobic
Gas import (5), the second cooling-water duct have the second cooling water inlet (6-2), the second cooling water outlet (7-2), in blast tube
Inside have igniting check device (8), the firing tip of igniting check device (8) is located at combustion gas and oxygen mix；The cracker (2)
Including shell (13) and thermal insulating warm-keeping layer (9), shell (13) inner wall has thermal insulating warm-keeping layer (9), and the lower part of thermal insulating warm-keeping layer (9) is
Pyramidal structure, inner cavity are combustion chamber, and bottom uses throat structure；The clarifier (3) be include shell (13) and Double-layer water folder
It covers (10), double-deck water leg (10) upper surface is parallel with the inclined-plane of thermal insulating warm-keeping layer (9) taper, and forms Porous Channel
(11), there are porous media import (16) on Porous Channel (11), have water leg downwards in the double-deck water leg (10) upper end
Straight section (12), water leg straight section (12) and shell (13) form purified gas channel, and gas exit (14) is located at purified gas channel top
Portion, shell (13) bottom end have waste gate (15), and water leg admission port (17) are arranged at the bottom of the double-deck water leg (10), and top has
Steam (vapor) outlet (18).
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| CN111003708A (en) * | 2019-12-28 | 2020-04-14 | 青岛中德森机械设备有限公司 | Preparation method of xanthoceras sorbifolia shell-based porous carbon material for gold adsorption |
| CN112410073A (en) * | 2020-11-04 | 2021-02-26 | 山东义丰环保机械股份有限公司 | Novel gas producer |
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