CN108130132A - A kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace - Google Patents
A kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace Download PDFInfo
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- CN108130132A CN108130132A CN201810091390.6A CN201810091390A CN108130132A CN 108130132 A CN108130132 A CN 108130132A CN 201810091390 A CN201810091390 A CN 201810091390A CN 108130132 A CN108130132 A CN 108130132A
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- Prior art keywords
- cooling wall
- water
- shell
- gasification furnace
- oxygen supply
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- 238000001816 cooling Methods 0.000 title claims abstract description 122
- 238000002309 gasification Methods 0.000 title claims abstract description 78
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000001301 oxygen Substances 0.000 title claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 54
- 239000008400 supply water Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000003245 coal Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000000197 pyrolysis Methods 0.000 claims description 5
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007086 side reaction Methods 0.000 abstract description 7
- 239000003034 coal gas Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002956 ash Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C10J3/22—Arrangements or dispositions of valves or flues
-
- 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
-
- 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
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention relates to a kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace, which includes：Water-cooling wall shell, gas-liquid separator, fire grate system, coal lock, ash lock and classification apparatus of oxygen supply.The top and bottom of water-cooling wall shell offer upper port and lower port respectively；Gas-liquid separator is connected by pipeline with water-cooling wall shell；Fire grate system includes fire grate and transmission device；Coal locks the upper port for being installed on water-cooling wall shell；Ash lock is installed on the lower port of water-cooling wall shell；It is classified apparatus of oxygen supply and includes gasifying agent pipeline and classification oxygen pipeline.The gasification furnace of the present invention limits gasification combustion chamber, and pass through water-cooling wall shell and take away the heat that high temperature and pressure coal gas is discharged by water-cooling wall shell, avoids the damage that shell bears superhigh temperature, and compared to water cooling shell type shell, the maintenance of water-cooling wall shell is more convenient.It is supplied oxygen by being classified, the height of conversion zone bed can be improved, the progress of side reaction is reduced, reduce environmental pollution, and reduce the risk of fire grate overtemperature.
Description
Technical field
The present invention relates to Coal Gasification Technology fields, and in particular to a kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace.
Background technology
In the relevant technologies, main problem existing for traditional fixed-bed gasification furnace：Fire grate overtemperature, year running rate it is low；Gasification furnace
Shell is susceptible to leakage；The side reaction of gasification furnace is more, and tar, the phenol of by-product are soluble in water, and there are gasification wastewater difficulty
The problems such as reason.
Invention content
The purpose of the present invention is to provide a kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace, to solve existing gas
Change stove and there are problems that fire grate overtemperature and serious pollution environment.
To achieve the above object, the present invention provides a kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace, and the classification supplies
Oxygen water cooling wall-shaped fixed-bed gasification furnace includes：
Water-cooling wall shell defines gasification combustion chamber, the top and bottom of the water-cooling wall shell in the water-cooling wall shell
Portion offers upper port and lower port respectively；
Gas-liquid separator, the gas-liquid separator are arranged in the top of the water-cooling wall shell, and pass through pipeline with it is described
Water-cooling wall shell connects；
Fire grate system, the fire grate system are set to the lower part of the gasification combustion chamber, and the fire grate system includes fire grate
And transmission device, the fire grate are connect with the transmission device；
Coal for feed coal to be sent into gasification hearth layer is locked, and the coal lock is installed on the upper end of the water-cooling wall shell
Mouthful；
For the ash of lime-ash discharge gasification furnace to be locked, the ash lock is installed on the lower port of the water-cooling wall shell；
Apparatus of oxygen supply is classified, the classification apparatus of oxygen supply includes the gasifying agent pipeline being connect with the central tube of the fire grate,
And at least one classification oxygen pipeline being set on the water-cooling wall shell, the classification oxygen pipeline are used for gasification furnace
Delivered inside gasifying agent.
Preferably, the gasification combustion chamber is from top to bottom divided into drying along the axially extending of the water-cooling wall shell
Layer, destructive distillation layer, methane layer, the first conversion zone and the second conversion zone.
Preferably, there are two the classification oxygen pipeline, a classification oxygen hoses for setting on the water-cooling wall shell
The position of line is corresponding with the position of first conversion zone, and the position and described second of another classification oxygen pipeline is instead
The position of layer is answered to correspond to.
Preferably, the water-cooling wall shell includes：
Multiple water cooling tubes, multiple water cooling tubes are respectively along the circumferentially-spaced arrangement of the gasification combustion chamber；
Multiple diaphragm seals, multiple diaphragm seals are respectively provided between the adjacent water cooling tube of any two, and respectively
The water cooling tube adjacent with two is connected to limit the gasification combustion chamber.
Preferably, each water cooling tube respectively includes：
Main part, the main part are axially extending along the shell；
First and second bending sections, first bending section connect with the upper end of the main part and along outside the water-cooling walls
Shell extends internally radially upward, and second bending section connect with the lower end of the main part and along the water-cooling wall shell
It extends internally radially downward.
Preferably, be provided with upper collecting chamber at the top of the water-cooling wall shell, bottom is provided with lower header, the upper collecting chamber with
The upper end connection of multiple water cooling tubes, the lower header are connected with the lower end of multiple water cooling tubes, the gas-liquid separator
It is connected respectively with upper collecting chamber, lower header by pipeline.
Preferably, on the pipeline that the gas-liquid separator or the gas-liquid separator are connect with two headers, setting is useful
In the water supplement port to the water-cooling wall shell moisturizing.
Preferably, the ash lock is arranged on the center of the water-cooling wall outer casing bottom.
Preferably, the inner surface of the water-cooling wall shell be provided with one layer for reduce wear heat-insulation wear-resistant material.
Preferably, the classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace further includes scrubber cooler, the wash cooling
Device is connected with the water-cooling wall shell.
The invention has the advantages that：
The gasifying agents such as traditional fixed-bed gasification furnace, oxygen and steam are only added to by fire grate in gasification furnace, because of bed
Resistance reason limits the height of bed, and then affects the progress of major gasification reaction, and side reaction is more；Additionally by fire grate
Gasifying agent is added in, fire grate overtemperature is easily caused, burns out fire grate, while also limit the addition of gasifying agent, is unfavorable for improving gas
Change stove production capacity.For traditional fixed-bed gasification furnace, classification of the invention oxygen supply water cooling wall-shaped fixed-bed gasification furnace leads to
It crosses water-cooling wall shell and limits gasification combustion chamber, and pass through water-cooling wall shell and take away the heat that high temperature and pressure coal gas is discharged, keep away
The damage that shell bears superhigh temperature is exempted from, compared to water cooling shell type shell, the maintenance of water-cooling wall shell is more convenient.In addition, by dividing
Grade oxygen supply, can improve the height of conversion zone bed, reduce the progress of side reaction, reduce environmental pollution, and reduce fire grate and surpass
The risk of temperature.
Description of the drawings
Fig. 1 is the structure diagram that present invention classification supplies oxygen water cooling wall-shaped fixed-bed gasification furnace.
Reference numeral：
1- coals are locked；2- gas-liquid separators；3- gasification combustion chamber；4- scrubber coolers；5- fire grates；6- transmission shafts；7- ashes are locked；
8- coal gas；9- water-cooling wall shells；10- gasifying agent pipelines；11- is classified oxygen pipeline；12- waste water；13- lime-ash；14- feed coals；
15- drying layers；16- destructive distillation layers；17- methane layers；The first conversion zones of 18-；The second conversion zones of 19-；20- upper collecting chambers；21- next parts
Case.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As shown in Figure 1, classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace includes：Water-cooling wall shell 9, gas-liquid separator 2,
Scrubber cooler 4, fire grate system, coal lock 1, ash lock 7 and classification apparatus of oxygen supply.
Specifically, defining gasification combustion chamber 3 in water-cooling wall shell 9, the top and bottom of water-cooling wall shell 9 open up respectively
There are upper port and lower port.Water-cooling wall shell 9 includes：Multiple water cooling tubes and multiple diaphragm seals, water cooling tube are in tubular construction, multiple
Water cooling tube is respectively along the circumferentially-spaced arrangement of gasification combustion chamber 3.Each water cooling tube respectively includes：Main part, the first bending section and
Second bending section, main part is along the axially extending of shell, the upper end connection of the first bending section and main part and along water-cooling wall shell 9
Extend internally radially upward, the connection of the lower end of the second bending section and main part and along water-cooling wall shell 9 radially downward inwardly
Extension.The plate-like structure of diaphragm seal, the shape of hollow-out parts matches between the shape of diaphragm seal and two neighboring water cooling tube, multiple
Diaphragm seal is respectively provided between the adjacent water cooling tube of any two, and water cooling tube adjacent with two respectively is connected to limit outlet
Change combustion chamber 3.Gasification combustion chamber 3 is axially extending along water-cooling wall shell 9, is from top to bottom divided into drying layer 15, destructive distillation layer
16th, methane layer 17, the first conversion zone 18 and the second conversion zone 19.Further, in order to reduce the abrasion of water-cooling wall shell 9,
The inner surface of water-cooling wall shell 9 is provided with one layer of heat-insulation wear-resistant material.
In some embodiments of the invention, the top of water-cooling wall shell 9 is provided with upper collecting chamber 20, and bottom is provided with next part
Case 21, upper collecting chamber 20 and the tubular structure, and be distributed in the periphery of upper port and lower port respectively in a ring of lower header 21, upper collection
Case 20 is connected with the upper end of multiple water cooling tubes, and lower header 21 is connected with the lower end of multiple water cooling tubes.
In some embodiments of the invention, gas-liquid separator 2 is arranged in the top of water-cooling wall shell 9, also can independent cloth
It puts, gas-liquid separator 2 is connected by pipeline with upper collecting chamber 20, lower header 21 respectively.Pressure inside gas-liquid separator 2 is higher than water
Pressure inside cold wall shell 9, and itself and pressure adjustable section.During work, the liquid water in gas-liquid separator 2 is first inputted to down
Header 21, liquid water are flowed up along the water cooling tube of water-cooling wall shell 9, absorb what gasification reaction in furnace body was released in flow process
Heat, the heat absorption vaporization of operative liquid water, after the separation of gas-liquid separator 2, steam sends to pipe network or other places.Further, it is
Moisturizing can be carried out to water-cooling wall shell 9, is set on pipeline that gas-liquid separator 2 or gas-liquid separator 2 are connect with two headers
Water supplement port.
In some embodiments of the invention, coal lock 1 is installed on the upper port of water-cooling wall shell 9, and coal lock 1 is used for raw material
Coal 14 is sent into gasification hearth layer, and by pressure release, there will be the gas that the feed coal 14 in normal pressure coal bunker is added to high pressure for pressurising cycle
Change in stove, ensure the continuous production of gasification furnace.Feed coal 14 is in furnace body by drying, destructive distillation, methane reaction, gasification reaction etc.
Series reaction generates high temperature rough gas, and high temperature rough gas uplink enters scrubber cooler 4, and high temperature rough gas is washed, dedusting
Rear workshop section is sent to the coal gas 8 and waste water 12 generated after cooling.
In some embodiments of the invention, fire grate system is set to the lower part of gasification combustion chamber 3, and fire grate system includes stove
Grate 5 and transmission device, fire grate 5 are installed under gasification furnace reaction bed, and fire grate 5 is whole to be supported by lower part thrust bearing, thrust shaft
It holds equipped with cooling system；Transmission device is in the present embodiment transmission shaft 6, and transmission shaft 6 is connect with fire grate 5, the drive outside gasification furnace
Dynamic device is connect by transmission shaft 6 with fire grate 5.The effect of fire grate 5 is that gasifying agent is evenly distributed in gasification furnace；Ash discharge,
Broken bulk lime-ash 13；Fuel bed is moved, stablizes inner operating.
In some embodiments of the invention, ash lock 7 is installed on the lower port of water-cooling wall shell 9, and positioned at cold wall shell
The center of bottom.The lime-ash 13 generated after gasification falls from the periphery annular space of fire grate 5 into the lower grey room of gasification furnace lower part,
Then ash lock 7 is entered back into.Ash lock 7 is intermittently operated to be pressed to discharge out of the furnace by ascending, descending the lime-ash 13 that GASIFIER GRATES BY METALLOGRAPHIC EXAMINATIONS 5 is discharged,
So as to ensure continuously running for gasification furnace.
In some embodiments of the invention, the gasifying agents such as oxygen and steam are added to gasification furnace by gasifying agent pipeline 10
Interior, gasifying agent pipeline 10 is connect with the central tube of fire grate 5, after gasifying agent is entered the central tube of fire grate 5 by furnace bottom, is gone out by qi-emitting hole
It goes, is entered in gasification furnace by the distribution of 5 each lamellar spacing of fire grate, achieved the effect that along the uniform gas distribution in gasification furnace cross section.In this reality
It applies in example, is set on water-cooling wall shell 9 there are two oxygen pipeline 11 is classified, the position and first of a classification oxygen pipeline 11 is instead
The position of layer 18 is answered to correspond to, the position of another classification oxygen pipeline 11 is corresponding with the position of the second conversion zone 19.In furnace body
Conversion zone at by being classified oxygen pipeline 11 add in partial gasification agent, reductions product is the generation of the side reactions such as tar, phenol.
The gasifying agents such as traditional fixed-bed gasification furnace, oxygen and steam are only added to by fire grate 5 in gasification furnace, because of bed
Resistance reason limits the height of bed, and then affects the progress of major gasification reaction, and side reaction is more；Additionally by fire grate
5 add in gasifying agent, easily cause 5 overtemperature of fire grate, burn out fire grate 5, while also limit the addition of gasifying agent, are unfavorable for improving
Gasification furnace production capacity.For traditional fixed-bed gasification furnace, classification of the invention oxygen supply water cooling wall-shaped fixed-bed gasification furnace
Gasification combustion chamber 3 is limited by water-cooling wall shell 9, and passes through water-cooling wall shell 9 and takes away the heat that high temperature and pressure coal gas is discharged
Amount, avoids the damage that shell bears superhigh temperature, and compared to water cooling shell type shell, the maintenance of water-cooling wall shell 9 is more convenient.In addition,
It is supplied oxygen by being classified, the height of conversion zone bed can be improved, the progress of side reaction is reduced, reduce environmental pollution, and reduce
The risk of 5 overtemperature of fire grate.
Classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to embodiments of the present invention other form and operate for
It is to be appreciated that and easy to implement for those skilled in the art, therefore is not described in detail.
In the description of the present invention, it is to be understood that the orientation of the instructions such as term " on ", " under " " bottom " " interior ", " outer "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " right over second feature and oblique upper or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in combine in an appropriate manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art are not departing from the principle of the present invention and objective
In the case of can make changes, modifications, substitutions and variations to the above described embodiments within the scope of the invention.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be modified or improved, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
- A kind of 1. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace, which is characterized in that the classification oxygen supply water cooling wall-shaped fixed bed Gasification furnace includes：Water-cooling wall shell defines gasification combustion chamber, the top and bottom point of the water-cooling wall shell in the water-cooling wall shell Upper port and lower port are not offered；Gas-liquid separator, the gas-liquid separator are arranged in the top of the water-cooling wall shell, and pass through pipeline and the water cooling Wall shell connects；Fire grate system, the fire grate system are set to the lower part of the gasification combustion chamber, and the fire grate system includes fire grate and biography Dynamic device, the fire grate are connect with the transmission device；Coal for feed coal to be sent into gasification hearth layer is locked, and the coal lock is installed on the upper port of the water-cooling wall shell；For the ash of lime-ash discharge gasification furnace to be locked, the ash lock is installed on the lower port of the water-cooling wall shell；Be classified apparatus of oxygen supply, the classification apparatus of oxygen supply include the gasifying agent pipeline that is connect with the central tube of the fire grate and At least one classification oxygen pipeline being set on the water-cooling wall shell, the classification oxygen pipeline are used for gasification furnace inside Convey gasifying agent.
- 2. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 1, which is characterized in that the gasification, and combustion Room is axially extending along the water-cooling wall shell, is from top to bottom divided into drying layer, destructive distillation layer, methane layer, the first conversion zone And second conversion zone.
- 3. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 2, which is characterized in that outside the water-cooling wall There are two the classification oxygen pipeline, the positions of a position and first conversion zone for being classified oxygen pipeline for setting on shell Correspondence is put, the position of another classification oxygen pipeline is corresponding with the position of second conversion zone.
- 4. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 1, which is characterized in that outside the water-cooling wall Shell includes：Multiple water cooling tubes, multiple water cooling tubes are respectively along the circumferentially-spaced arrangement of the gasification combustion chamber；Multiple diaphragm seals, multiple diaphragm seals are respectively provided between the adjacent water cooling tube of any two, and respectively with two A adjacent water cooling tube is connected to limit the gasification combustion chamber.
- 5. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 4, which is characterized in that each water cooling Pipe respectively includes：Main part, the main part are axially extending along the shell；First and second bending sections, first bending section connect with the upper end of the main part and along the water-cooling wall shells It extends internally radially upward, second bending section connect with the lower end of the main part and along the radial direction of the water-cooling wall shell It extends downwardly and inwardly.
- 6. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 5, which is characterized in that outside the water-cooling wall Upper collecting chamber is provided at the top of shell, bottom is provided with lower header, and the upper collecting chamber is connected with the upper end of multiple water cooling tubes, institute The lower end that lower header is stated with multiple water cooling tubes connects, the gas-liquid separator by pipeline respectively with upper collecting chamber, lower header Connection.
- 7. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 6, which is characterized in that the gas-liquid separation On the pipeline that device or the gas-liquid separator are connect with two headers, it is provided with for the moisturizing of the water-cooling wall shell moisturizing Mouthful.
- 8. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 6, which is characterized in that the ash lock setting In the center of the water-cooling wall outer casing bottom.
- 9. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 6, which is characterized in that outside the water-cooling wall The inner surface of shell be provided with one layer for reduce wear heat-insulation wear-resistant material.
- 10. classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace according to claim 1, which is characterized in that the classification supplies Oxygen water cooling wall-shaped fixed-bed gasification furnace further includes scrubber cooler, and the scrubber cooler is connected with the water-cooling wall shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091390.6A CN108130132A (en) | 2018-01-30 | 2018-01-30 | A kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091390.6A CN108130132A (en) | 2018-01-30 | 2018-01-30 | A kind of classification oxygen supply water cooling wall-shaped fixed-bed gasification furnace |
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| CN108130132A true CN108130132A (en) | 2018-06-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944589A (en) * | 2006-10-25 | 2007-04-11 | 顾大地 | Fractional gasifying furnace for coal and coke gasification |
| CN101982528A (en) * | 2010-11-23 | 2011-03-02 | 神华集团有限责任公司 | Gasification device for classified gasification of moving bed, method for gasifying coal and applications thereof |
| CN103361122A (en) * | 2013-07-19 | 2013-10-23 | 黄必录 | Gasifying furnace capable of efficiently self-purifying tar |
| CN106590750A (en) * | 2017-02-08 | 2017-04-26 | 中国东方电气集团有限公司 | Liquid state deslagging and graded gasifying reaction furnace of constant pressure fixed bed of water cooling wall |
| CN106635168A (en) * | 2016-11-28 | 2017-05-10 | 伊犁出入境检验检疫局综合技术服务中心 | Method and system for preparing gas by fixed bed gasifier |
| CN107033970A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Coal slurry gasifier |
-
2018
- 2018-01-30 CN CN201810091390.6A patent/CN108130132A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944589A (en) * | 2006-10-25 | 2007-04-11 | 顾大地 | Fractional gasifying furnace for coal and coke gasification |
| CN101982528A (en) * | 2010-11-23 | 2011-03-02 | 神华集团有限责任公司 | Gasification device for classified gasification of moving bed, method for gasifying coal and applications thereof |
| CN103361122A (en) * | 2013-07-19 | 2013-10-23 | 黄必录 | Gasifying furnace capable of efficiently self-purifying tar |
| CN107033970A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Coal slurry gasifier |
| CN106635168A (en) * | 2016-11-28 | 2017-05-10 | 伊犁出入境检验检疫局综合技术服务中心 | Method and system for preparing gas by fixed bed gasifier |
| CN106590750A (en) * | 2017-02-08 | 2017-04-26 | 中国东方电气集团有限公司 | Liquid state deslagging and graded gasifying reaction furnace of constant pressure fixed bed of water cooling wall |
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