CN101210202A - Gasification system burner and steam material-feeding method thereof - Google Patents
Gasification system burner and steam material-feeding method thereof Download PDFInfo
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- CN101210202A CN101210202A CNA2006101727733A CN200610172773A CN101210202A CN 101210202 A CN101210202 A CN 101210202A CN A2006101727733 A CNA2006101727733 A CN A2006101727733A CN 200610172773 A CN200610172773 A CN 200610172773A CN 101210202 A CN101210202 A CN 101210202A
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- water coolant
- gasification system
- burner
- system burner
- vapourizing furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to a burner for a gasification system and a steam feeding method thereof. The burner comprises an inner pipe for conveying fuel and a primary gas, a middle pipe concentrically arranged with the outer periphery of the inner pipe for conveying a secondary gas, and a cooling water outer pipe concentrically arranged with the outer periphery of the middle pipe for conveying cooling water. A cooling water atomizing pipe is arranged at the front end of the outlet of the burner and is connected with the cooling water outer pipe for atomizing the cooling water and feeding the atomized cooling water to a gasification furnace, so that the front end of the outlet of the burner is prevented from being damaged by the overhigh temperature and a steam feeding generation device desired by the common gasification system is obviated, thus saving energy and simplifying operation.
Description
Technical field
The present invention relates to a kind of burner apparatus and steam material-feeding method thereof that is used for gasification system, particularly relate to the refrigerating unit of gasification system burner and the improvement of gasification system steam feed generation device and method.
Background technology
Gasification system is to act as a fuel with fine coal or other carbonaceous material, cooperates the gas (for example oxygen) of appropriate amount to carry out incomplete combustion in vapourizing furnace, to produce with carbon monoxide (CO), hydrogen (H
2) be the synthetic gas of main output object, in order to promote the combustible gas ratio in the synthetic gas, can add steam again, for example add a steam feed generator means, to increase the composition of hydrogen in the product.
Traditional gasification system burner only is several concentric pipes, interior effective fine coal or other carbonaceous material of transmitting, and outer tube is used for carrying other gas, and these gases are sent in the vapourizing furnace after the burner front end is pre-mixed.But because the oxygen concentration of gasification system is up to 95%; so reaction is fierce at the burner outlet place; its temperature can be up to more than 1500 ℃; regular meeting causes burner front end Yin Wendu too high and damage; in addition, contain ash in the coal, at high temperature can the liquefy slag; also attach easily, cause burner outlet generation deformation at the burner front end.Often need to shut down to change burner for this reason.
At this problem, adopt the method that outside burner, installs cooling water pipe additional to improve.For example the formula vapourizing furnace of carrying under one's arms in the Chinese Petroleum Company is to install cooling water pipe additional outside its burner, and its burner tip is changed to resistant to elevated temperatures alloy material, so that the burner life-span upgrading was to 4-5 month.
Installing additional of the cooling water pipe of burner mostly is the design of one-in-and-one-out greatly, goes out by the torrid zone of cooling material with inside, to reach the effect of cooling protection; Though existing at present many research units add water-cooled tube at the designed combustion device, yet it is also very difficult to make the jacket pipe with perfect backflow and cooling performance.
In addition, steam source about gasification system, in present known steam feed generating technique, have the steam that produces in the heat exchanger of gasification system rear end led back again and utilize, though this method has the effect of saving energy, but still need expend as required equipment of steam feed system such as steam flow control meter and steam feed pipes.
Summary of the invention
Main purpose of the present invention is to provide a kind of multi-functional gasification system burner, strengthen the feed control of gasification system, promote the duration of service of burner and the operation efficiency of raising gasification system, and omit the steam feed generation device of known gasification system, thereby reach energy-conservation and purpose that simplify the operation.
The present invention can increase the life-span of gasification system burner; because outlet front end shower nozzle place in the burner outermost tubes; produce the atomizing aqueous vapor; thereby can protect the nozzle temperature can be not too high; simultaneously the molten slag instantaneous solidification can be caused burner outlet generation deformation to avoid it to attach at the burner outlet front end.In addition, the original steam feed part of gasification system, the water coolant outer tube that the present invention changes by burner provides, and can reduce steam generating device like this, and owing to produce the required heat energy of steam by obtaining in the stove, therefore can reach purpose of energy saving.
Gasification system burner of the present invention is used for being fed to vapourizing furnace to carry out gasification reaction via outlet, and this gasification system burner comprises: interior pipe, and it is in order to transmit at least a fuel and at least a elementary gas; Intervalve, the neighboring of its pipe in this and with this in manage concentric arrangement, and with this in pipe be connected first one of this gasification system burner, in order to transmit at least a secondary gas; Reducing pipe, be connected to this first one with pipe and this intervalve in this, in order to being pre-mixed this at least a fuel, this at least a elementary gas and this at least a secondary gas, and this at least a fuel after will being pre-mixed, this at least a elementary gas and this at least a secondary gas are sent to this vapourizing furnace; The water coolant outer tube, around the neighboring of this intervalve and with this intervalve concentric arrangement, in order to carry water coolant to cool off this gasification system burner; And at least a water coolant mist pipe, be connected at this first one with this water coolant outer tube, receive this water coolant and will send in this vapourizing furnace after its atomizing from this water coolant outer tube thus, in this vapourizing furnace, make after being atomized this water coolant with reached this at least a secondary gas by this at least a fuel after being pre-mixed, this at least a elementary gas and carry out gasification reaction.
Fuel of the present invention more clearly, is meant the employed fuel of gasification reaction, for example fine coal or other carbonaceous material; Elementary gas of the present invention, the preferably rare gas element that pipe transmits in burner, for example nitrogen (N
2); Secondary gas of the present invention, the preferred required ignition dope of gasification reaction, for example oxygen (O
2).
Gasification system burner of the present invention as described above also comprises the water coolant feeding line, and it is connected to this water coolant outer tube, is used for this water coolant is transported to this water coolant outer tube.
Gasification system burner can further comprise temperature-control device as the aforementioned, and it is connected the top of this gasification system burner, in order to measure this vertical temperature, controls the inlet amount of this water coolant thus.
Gasification system burner can further comprise volume pump as the aforementioned, and it is connected between this water coolant feeding line and this temperature-control device, in order to this water coolant to be provided and to control the inlet amount of this water coolant, to reach the purpose of stable operation.
In addition, be security consideration, gasification system burner further comprises the differential pressure measurement device as the aforementioned, and it is connected between this water coolant feeding line and this vapourizing furnace, in order to measure the pressure reduction on this water coolant feeding line; Wherein also comprise trip valve on this water coolant feeding line, this trip valve is connected with this differential pressure measurement device, and when the pressure in this vapourizing furnace during greater than the hydraulic pressure of this water coolant charging, this trip valve just can cut out, and stops the charging of this water coolant.
Another object of the present invention is to provide a kind of steam material-feeding method of gasification system burner, comprise the following step: transmit at least a fuel and at least a elementary gas interior pipe to this gasification system burner; Transmit the intervalve of at least a secondary gas to this gasification system burner; After being pre-mixed this at least a fuel, this at least a elementary gas and this at least a secondary gas, it is sent in the vapourizing furnace; The water coolant outer tube of water coolant to this gasification system burner is provided; And this water coolant that atomizes, and it is sent in this vapourizing furnace, in this vapourizing furnace, make after being atomized this water coolant with reached this at least a secondary gas by this at least a fuel after being pre-mixed, this at least a elementary gas and carry out gasification reaction.
Steam material-feeding method can further comprise the following step: the vertical temperature of measuring this gasification system burner as the aforementioned; And the inlet amount of controlling this water coolant.
In addition, steam material-feeding method can further comprise the following step: provide differential pressure measurement device and trip valve as the aforementioned; Measure the pressure reduction of this water coolant outer tube and this vapourizing furnace; And, close this trip valve when the pressure in this vapourizing furnace during greater than the hydraulic pressure of this water coolant charging, stop the charging of this water coolant.
Description of drawings
Fig. 1 is the diagrammatic cross-section of gasification system burner of the present invention;
Fig. 2 is the synoptic diagram of gasification system burner of the present invention and steam material-feeding method thereof.
Wherein, description of reference numerals is as follows:
1,2 gasification system burners
10,20 vapourizing furnaces
First one of 11 gasification system burners
The outlet of 12 gasification system burners
13,23 interior pipes
14,24 intervalves
15,25 water coolant outer tubes, 251 water coolant feeding lines
16 water coolant mist pipe
17 reducing pipes
The top of 22 gasification system burners
26 temperature-control devices
27 volume pumps
28 differential pressure measurement devices, 281 trip valves
29 pressure release valves
Embodiment
With reference to the accompanying drawings the present invention is described in more details.
A specific embodiment of the present invention such as Fig. 1, it is the diagrammatic cross-section of gasification system burner 1 of the present invention.In this embodiment, gasification system burner 1 is a concentric pipe structure, has outlet 12 to be connected with vapourizing furnace 10, is fed to this vapourizing furnace 10 in order to fuel that gasification reaction is required and gas.It is three layers that the inside of the gasification system burner 1 of this embodiment is divided into, and innermost layer is interior pipe 13, and in order to transmit at least a fuel and at least a elementary gas, this fuel is fine coal in this embodiment, and this elementary gas is the inert substance nitrogen that transmits; The second layer is an intervalve 14, in this neighboring of pipe 13 and with this in pipe 13 concentric arrangement, in order to transmit at least a secondary gas, this secondary gas is oxygen in this embodiment; Outermost layer is a water coolant outer tube 15, around the neighboring of this intervalve 14 and with these intervalve 14 concentric arrangement, in order to the delivering liquid water coolant to cool off this gasification system burner 1, to reach the effect of this gasification system burner 1 of cooling protection.As shown in Figure 1, in this embodiment, before the outlet 12 of gasification system burner 1, there be first one 11, this first one 11 place should in manage 13 and be connected with this intervalve 14, and connect reducing pipe 17, be pre-mixed fine coal, nitrogen and oxygen in the convergent mode after, it is sent in the vapourizing furnace 10; Simultaneously, at least one water coolant mist pipe 16 is connected at this first one 11 with this water coolant outer tube 15, in order to sending into after the atomizing in the vapourizing furnace 10, as the required steam feed of this gasification reaction from the water coolant of these water coolant outer tube 15 receptions.
Thus, present embodiment is in the outlet 12 of gasification system burner 1, produces the atomizing aqueous vapor, protects the burner tip temperature can be not too high thus, the molten slag instantaneous solidification can be caused burner outlet generation deformation to avoid it to attach at the burner front end simultaneously.In addition, the steam feed part of gasification system, the water coolant outer tube 15 that changes in this embodiment by gasification system burner 1 provides, reduced the required steam generating device of known gasification system thus, and produce the required heat energy of steam by obtaining in the stove, thereby can reach energy-conservation and purpose that simplify the operation.
Another embodiment of the present invention please refer to Fig. 2, and it is the operation chart of gasification system burner of the present invention and steam material-feeding method thereof.Gasification system burner 2 is connected with vapourizing furnace 20, is fed in this vapourizing furnace 20 in order to fuel that gasification reaction is required and gas.Pipe 23 in this gasification system burner 2 comprises, in order to transmit fuel and elementary gas, this fuel is fine coal in this embodiment, this elementary gas is the inert substance nitrogen that transmits; Intervalve 24, in this neighboring of pipe 23 and with this in pipe 23 concentric arrangement, in order to transmit at least a secondary gas, this secondary gas is oxygen in this embodiment; Water coolant outer tube 25, around the neighboring of this intervalve 24 and with these intervalve 24 concentric arrangement, in order to the delivering liquid water coolant to cool off this gasification system burner 2; The water coolant carried of this water coolant outer tube 25 also serves as steam feed in this embodiment, form the atomizing aqueous vapor in gasification system burner 2 and these vapourizing furnace 20 junctions, directly enter the gasification reaction system, can effectively reduce the temperature of gasification system burner 2 outlet front ends, increase the proportion of composing of hydrogen in the product of gasification reaction simultaneously.
Embodiment please refer to Fig. 2 as the aforementioned, more comprises water coolant feeding line 251, and it is connected with this water coolant outer tube 25, in order to the delivering liquid water coolant; Temperature-control device 26, it is connected the top 22 of this gasification system burner 2, this temperature-control device 26 is a programmable logic controller in this embodiment, is controlled between 300～1000 ℃ in order to the temperature on the top 22 of measuring this gasification system burner 2 and with it; This embodiment further comprises volume pump 27, it is connected between this water coolant feeding line 251 and this temperature-control device 26, in order to this water coolant to be provided and to control the inlet amount of this water coolant, to reach the purpose of stable operation, in this embodiment, the inlet amount of water coolant is 1/20 to 1/3 of a coal amount.
Embodiment as the aforementioned, please refer to Fig. 2, can further comprise the differential pressure measurement device 28 and the trip valve 281 that are positioned on this water coolant feeding line 251, this differential pressure measurement device 28 is used for measuring the pressure reduction of this water coolant outer tube 25 and this vapourizing furnace 20, when the pressure in this vapourizing furnace 20 during greater than the hydraulic pressure of this water coolant charging, this trip valve 281 cuts out, and stops the charging of this water coolant.In addition, device or design that other is added for the gasification system security consideration for example can be provided with pressure release valve 29 on this water coolant feeding line 251, also do not break away from the spirit and scope of the present invention.
Another embodiment of the present invention is a kind of steam material-feeding method of gasification system burner, please refer to Fig. 2, this steam material-feeding method comprises the following step: transmit at least a fuel and at least a elementary gas interior pipe 23 to gasification system burner 2, this fuel is fine coal in this embodiment, and this elementary gas is the inert substance nitrogen that transmits; Transmit the intervalve 24 of at least a secondary gas to this gasification system burner 2, this secondary gas is oxygen in this embodiment; With the convergent mode be pre-mixed the mixture of the powder matchmaker that in interior pipe 23, transmitted and nitrogen and the oxygen that in intervalve 24, transmitted after, it is sent in the vapourizing furnace 20; Simultaneously, provide the water coolant outer tube 25 of the water coolant of liquid state to this gasification system burner 2; And this water coolant that atomizes, and it is sent in this vapourizing furnace 20, in this vapourizing furnace 20, make after being atomized this water coolant with by fine coal, nitrogen and oxygen gasified reaction after being pre-mixed.
The embodiment of steam material-feeding method as the aforementioned, can further comprise the following step: use PLC temperature-control device 26 to measure and control the temperature on the top 22 of this gasification system burner 2, connect volume pump 27 simultaneously and control the inlet amount of this water coolant, to reach the purpose of stable operation.
In addition, steam material-feeding method embodiment can further comprise the following step: provide differential pressure measurement device 28 and trip valve 281 as the aforementioned; Measure the pressure reduction of this water coolant outer tube 25 and this vapourizing furnace 20; And, close this trip valve 281 when the pressure in this vapourizing furnace 20 during greater than the hydraulic pressure of this water coolant charging, stop the charging of this water coolant.
Indulge the above, the present invention is at the outlet front end shower nozzle place of gasification system burner 1,2, utilize water coolant outer tube 15,25 water coolants that transmitted to produce the atomizing aqueous vapor, protect the nozzle temperature can be not too high by this, simultaneously can be with the molten slag instantaneous solidification, cause burner outlet generation deformation to avoid it to attach, effectively increase the burner life-span at the burner outlet front end; The present invention has simultaneously omitted the original steam generating device of gasification system, and produces the required heat energy of steam by obtaining in the stove, and reaches energy-conservation and purpose that simplify the operation.
Claims (9)
1. a gasification system burner is fed to vapourizing furnace via outlet, it is characterized in that, comprises:
Interior pipe, it transmits at least a fuel and at least a elementary gas;
Intervalve, the neighboring of its pipe in this and with this in manage concentric arrangement, and with this in pipe be connected in first one of this gasification system burner, transmit at least a secondary gas;
Reducing pipe, pipe and this intervalve are connected to this first one in itself and this, be used for being pre-mixed this at least a fuel, this at least a elementary gas and this at least a secondary gas, and this at least a fuel after will being pre-mixed, this at least a elementary gas and this at least a secondary gas are sent to this vapourizing furnace;
The water coolant outer tube, its around the neighboring of this intervalve and with this intervalve concentric arrangement, carry water coolant, thereby cool off this gasification system burner; And
At least one water coolant mist pipe, itself and this water coolant outer tube is connected to this first one, receive this water coolant and will send in this vapourizing furnace after its atomizing from this water coolant outer tube thus, in this vapourizing furnace, make after being atomized this water coolant with reached this at least a secondary gas by this at least a fuel after being pre-mixed, this at least a elementary gas and carry out gasification reaction.
2. gasification system burner as claimed in claim 1 is characterized in that, also comprises the water coolant feeding line, and it is connected in this water coolant outer tube, carries this water coolant to this water coolant outer tube.
3. gasification system burner as claimed in claim 2 is characterized in that, also comprises temperature-control device, and the top that it is connected in this gasification system burner is used for measuring this vertical temperature to control the inlet amount of this water coolant.
4. gasification system burner as claimed in claim 3 is characterized in that, also comprises volume pump, and it is connected between this water coolant feeding line and this temperature-control device, is used to provide this water coolant and controls the inlet amount of this water coolant.
5. gasification system burner as claimed in claim 2 is characterized in that, also comprises the differential pressure measurement device, and it is connected between this water coolant feeding line and this vapourizing furnace, is used for measuring the online pressure reduction of this water coolant feed-pipe.
6. gasification system burner as claimed in claim 5 is characterized in that, also comprises trip valve, and it is positioned on this water coolant feeding line and is connected in this differential pressure measurement device, is used for stopping the charging of this water coolant.
7. the steam material-feeding method of a gasification system burner is characterized in that, comprises the following step:
Transmit at least a fuel and at least a elementary gas interior pipe to this gasification system burner;
Transmit the intervalve of at least a secondary gas to this gasification system burner;
Be pre-mixed this at least a fuel, this at least a elementary gas and this at least a secondary gas, and it is sent in the vapourizing furnace;
The water coolant outer tube of water coolant to this gasification system burner is provided; And
This water coolant that atomizes, and it is sent in this vapourizing furnace, in this vapourizing furnace, make after being atomized this water coolant with reached this at least a secondary gas by this at least a fuel behind the premix, this at least a elementary gas and carry out gasification reaction.
8. steam material-feeding method as claimed in claim 7 is characterized in that, also comprises the following step:
Measure the vertical temperature of this gasification system burner; And
Control the inlet amount of this water coolant.
9. steam material-feeding method as claimed in claim 7 is characterized in that, also comprises the following step:
Differential pressure measurement device and trip valve are provided;
Measure the pressure reduction of this water coolant outer tube and this vapourizing furnace; And
When the pressure in this vapourizing furnace during greater than the hydraulic pressure of this water coolant charging, close this trip valve, stop the charging of this water coolant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101727733A CN101210202B (en) | 2006-12-26 | 2006-12-26 | Gasification system burner and steam material-feeding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101727733A CN101210202B (en) | 2006-12-26 | 2006-12-26 | Gasification system burner and steam material-feeding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101210202A true CN101210202A (en) | 2008-07-02 |
| CN101210202B CN101210202B (en) | 2010-12-22 |
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ID=39610459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101727733A Active CN101210202B (en) | 2006-12-26 | 2006-12-26 | Gasification system burner and steam material-feeding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933695A (en) * | 2010-06-16 | 2013-02-13 | 株式会社Ihi | Device for supplying material to gasification furnace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD251476A3 (en) * | 1985-11-12 | 1987-11-18 | Freiberg Brennstoffinst | COAL DUST BURNER |
| JP2002249786A (en) * | 2001-02-27 | 2002-09-06 | Babcock Hitachi Kk | Feedstock-jetting burner |
| CN2506879Y (en) * | 2001-10-23 | 2002-08-21 | 陕西杨凌航天节水科技股份有限公司 | natural gas gasification burner |
| JP2003193068A (en) * | 2001-12-28 | 2003-07-09 | Ishikawajima Harima Heavy Ind Co Ltd | Burner for gasification furnace |
-
2006
- 2006-12-26 CN CN2006101727733A patent/CN101210202B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933695A (en) * | 2010-06-16 | 2013-02-13 | 株式会社Ihi | Device for supplying material to gasification furnace |
| CN102933695B (en) * | 2010-06-16 | 2014-10-29 | 株式会社Ihi | Device for supplying material to gasification furnace |
| US9192900B2 (en) | 2010-06-16 | 2015-11-24 | Ihi Corporation | Gasification furnace raw material supplying apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101210202B (en) | 2010-12-22 |
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