CN105647586A - Ignition device of water-coal slurry cold wall gasifier - Google Patents
Ignition device of water-coal slurry cold wall gasifier Download PDFInfo
- Publication number
- CN105647586A CN105647586A CN201610055798.9A CN201610055798A CN105647586A CN 105647586 A CN105647586 A CN 105647586A CN 201610055798 A CN201610055798 A CN 201610055798A CN 105647586 A CN105647586 A CN 105647586A
- Authority
- CN
- China
- Prior art keywords
- water
- coal
- burner
- slurry
- cold wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—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
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
- C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
-
- 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
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
Abstract
The invention discloses an ignition device of a water-coal slurry cold wall gasifier. The ignition device comprises the water-coal slurry cold wall gasifier and a hearth arranged in the water-coal slurry cold wall gasifier in a nested mode. A chamber for water-coal slurry and oxygen combustion is formed in the hearth, a guide opening is formed in the end of the hearth and connected with a water-coal slurry process burner, and the water-coal slurry process burner is fixed to the water-coal slurry cold wall gasifier through a water-coal slurry burner connector. The ignition device further comprises a guide channel. The guide channel penetrates through the water-coal slurry cold wall gasifier and the inner wall of the hearth in sequence and is communicated with the chamber formed in the hearth, and an ignition startup burner is arranged in the guide channel in a nested mode and moves freely in the guide channel. According to the ignition device, ignition operation is simple, system transformation is small, cost is low, stability is good, and the service life of the burners is long.
Description
Technical field
The invention belongs to the coalification technology field of water coal slurry pressure gasification, be specifically related to a kind of igniter for water-coal-slurry cold wall gasification furnace.
Background technology
At present, China adopts in the gasification furnace of coal-water slurry gasification, and what the overwhelming majority adopted is the inboard wall of burner hearth face hot wall stove that lays refractory material. On the one hand, in order to pressure box hat is carried out Thermal protection; On the other hand, in order to when starting, utilize refractory brick to carry out accumulation of heat, complete the ignition process to water-coal-slurry. And refractory material is because of the limitation of self performance, being accomplished by set intervals carrying out large-area replacing, the fund expended because changing refractory material every year reaches up to ten million unit, and causes that the loss of yield is inestimable especially because blowing out safeguards. For evading this problem, water-coal-slurry hot wall stove is transformed for cold hearth by Some Domestic enterprise, and namely gasification stove internal wall no longer lays refractory material, and adopts the mode of the cooling of water-cooled coil pipe and wall dross that pressure box hat is carried out Thermal protection.
Under normal circumstances, coal water slurry pressurized gasifier Starting mode is to adopt igniting startup burner that burner hearth carries out baker intensification operation, the refractory material having adequate thickness in gasification furnace burner hearth carries out accumulation of heat, when fire box temperature rises to more than 800 DEG C, igniting startup burner is changed, being installed by coal water slurry process burner rapidly and put in place, the ratio according still further to oxygen and water-coal-slurry is supplied in gasification furnace. Because refractory material has good accumulation of heat effect, the hot environment in burner hearth can make water-coal-slurry and oxygen directly catch fire, and makes gasification furnace boosting reach rated operating pressure gradually.
But after hot wall stove is transformed into cold hearth, gasification furnace loses the thermal isolation and heat storage function of refractory masses, and water-cooling wall also has the effect that burner hearth is lowered the temperature rapidly, therefore this working method first adopting igniting startup burner baker to change coal water slurry process burner again is not used to the igniting of water-coal-slurry cold wall gasification furnace, in the urgent need to adopting new sparking mode that water-coal-slurry cold wall gasification furnace is lighted a fire.
At present, although having the coal slurry channel utilizing Water-coal-slurry nozzle and oxygen channel throwing fuel gas and oxygen to carry out the integrated Water-coal-slurry nozzle of baker, but because coal water slurry process burner is that the discharge characteristic for water-coal-slurry and oxygen designs, when putting into operation fuel gas and oxygen, there is greatly change in condition range, namely integration Water-coal-slurry nozzle often causes the serious ablation of Water-coal-slurry nozzle head in the baker stage in actual use, significantly impacts service behaviour and the service life of coal water slurry process burner.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of igniter for water-coal-slurry cold wall gasification furnace, and this sparking mode of igniter is simple to operate, the system reform is little, cost is low for this, good stability, burner long service life.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of igniter for water-coal-slurry cold wall gasification furnace, including:
One water-coal-slurry cold wall gasification furnace;
One is nested in the burner hearth in described water-coal-slurry cold wall gasification furnace, constitutes the chamber of water-coal-slurry and oxygen combustion in described burner hearth;
Described burner hearth end arranges a guiding port, and this guiding port connects a coal water slurry process burner, and described coal water slurry process burner is fixed on described water-coal-slurry cold wall gasification furnace by Water-coal-slurry nozzle interface;
Also including a guiding channel, described guiding channel sequentially passes through the inwall of water-coal-slurry cold wall gasification furnace and burner hearth, the chamber become with freeze profile;
This guiding channel is nested with and is provided with igniting startup burner, described igniting startup burner freely-movable in guiding channel.
In a preferred embodiment of the invention, described igniting startup burner is fixed by the igniting startup burner interface being assemblied on described guiding channel.
In a preferred embodiment of the invention, described igniting startup burner interface is also associated with propulsive mechanism, and this propulsive mechanism promotes described igniting startup burner interface to drive igniting startup burner automatically to move.
In a preferred embodiment of the invention, the side of described guiding channel is additionally provided with a purging gas interface, and igniting startup burner is persistently cooled down by nitrogen by described purging gas interface.
In a preferred embodiment of the invention, described guiding channel and described guiding port are 30-60 �� of angle.
In a preferred embodiment of the invention, described burner hearth entirety ovalize.
In a preferred embodiment of the invention, the inside upper part of described burner hearth is provided with refractory material, and the remainder of inner side is provided with water-cooled assembly.
In a preferred embodiment of the invention, described water-cooled assembly is some being arranged side by side in the water cooling tube of described inboard wall of burner hearth.
By technique scheme, the invention has the beneficial effects as follows:
Coal water slurry process burner and igniting startup burner can design targetedly according to the function each undertaken, after igniting startup burner is by burner hearth intensification heating to design temperature, it is ensured that water-coal-slurry and the mixture of oxygen that coal water slurry process burner puts into are lighted rapidly in high temperature environments. Not only solve the igniting of water-coal-slurry cold wall gasification furnace go into operation a difficult problem, improve burner service behaviour and service life, and reduce further the operation expense of water-coal-slurry cold wall gasification furnace, be more beneficial for the popularization of this water-coal-slurry cold wall gasification furnace.
The present invention compared with prior art has the advantage that the ignition operation of the present invention is simple, the system reform is little, cost is low, good stability, burner long service life.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
In figure: 1 purges gas interface; 2 igniting startup burners; 3 propulsive mechanisms; 4 igniting startup burner interfaces; 5 coal water slurry process burners; 6 Water-coal-slurry nozzle interfaces; 7 refractory materials; 8 water-cooled coil pipes; 9 burner hearths; 10 water-coal-slurry cold wall gasification furnaces.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
As it is shown in figure 1, a kind of igniter for water-coal-slurry cold wall gasification furnace, including: a water-coal-slurry cold wall gasification furnace 1; One is nested in the burner hearth 9 in described water-coal-slurry cold wall gasification furnace, constitutes the chamber of water-coal-slurry and oxygen combustion in described burner hearth; Described burner hearth end arranges a guiding port, and this guiding port connects a coal water slurry process burner 5, and described coal water slurry process burner 5 is fixed on described water-coal-slurry cold wall gasification furnace by Water-coal-slurry nozzle interface 4; Also including a guiding channel, described guiding channel sequentially passes through the inwall of water-coal-slurry cold wall gasification furnace and burner hearth, the chamber become with freeze profile; This guiding channel is nested with and is provided with igniting startup burner, described igniting startup burner freely-movable in guiding channel.
Usually, guiding channel and described guiding port are 30-60 �� of angle, when angle is 30 �� time, can reach the optimal effectiveness of igniter burner and coal water slurry process burner.
Wherein burner hearth entirety ovalize or other shapes, and the inside upper part of burner hearth is provided with refractory material 7, the remainder of inner side is provided with water-cooled assembly, and wherein water-cooled assembly is some being arranged side by side in the water cooling tube 8 of described inboard wall of burner hearth.
Further, the igniting function that goes into operation is completed by startup burner 2 of lighting a fire, and the function that feeds intake of water-coal-slurry is completed by coal water slurry process burner 5.
Before igniting startup burner 2 ignition oven, propulsive mechanism 3 igniting startup burner 2 is advanced into design attitude, and passes into cooling gas from purging gas interface 1 startup burner 2 of lighting a fire is protected. After igniting startup burner 2 completes ignition oven, propulsive mechanism 3 igniting startup burner 2 being retracted into design attitude, cooling gas is continually fed into.
Water-coal-slurry cold wall gasification furnace there is mating interface existing passage can be utilized as igniting startup burner interface 4 or when existing passage cannot be utilized, it is possible to reinstall igniting startup burner interface 4 in gasification furnace side again opening. Igniting startup burner 2 and igniting startup burner interface 4 are by flange abutting joint, and coal water slurry process burner 5 and Water-coal-slurry nozzle interface 6 are by flange abutting joint. Igniting startup burner interface 4 is positioned at cold wall gasification furnace body of heater side, and Water-coal-slurry nozzle interface 6 is still located on cold wall top of gasification furnace centre position.
Igniting startup burner 2 is advanced in gasification furnace from igniting startup burner interface 4 by propulsive mechanism 3, purges gas interface 1 and passes into protection nitrogen, and igniting startup burner 2 carries out baker operation lighting a fire after successfully. When burner hearth 9 temperature rises to more than 800 DEG C; water-coal-slurry and oxygen is put into by coal water slurry process burner 5; water-coal-slurry and oxygen mixture are in high-temperature burner hearth; moisture evaporates rapidly; fine coal is lighted rapidly under pure oxygen environment; after coal water slurry process burner 5 feeds intake and reaches certain load and can maintain normal combustion; namely igniting startup burner 2 is closed; and by propulsive mechanism 3, igniting startup burner 2 is retreated in cooling duct, the nitrogen being continually fed into the igniting startup burner 2 in cooling duct is carried out cooling protection.
At present, under the situation that coal chemical industry is increasingly competitive at home, water-coal-slurry hot wall stove is transform as cold hearth and will save the sky high cost changing refractory material for enterprise, and gasification furnace year run the time because improve and create huge profit. Therefore, water-coal-slurry hot wall stove is transform as the development trend that cold hearth is following domestic water coal slurry hot wall stove. Adopt the Novel ignition mode of the present invention, solve an ignition oven difficult problem for water-coal-slurry cold wall gasification furnace, and the integration Water-coal-slurry nozzle problem that is easily caused burner nose ablation when going into operation baker will not occur. In a kind of water-coal-slurry cold wall gasification furnace sparking mode of the present invention, coal water slurry process burner 5 and igniting startup burner 2 all can design according to respective function and working condition targetedly, and system is simple to operate, retrofit work amount is little, cost is low, compact conformation, good stability, burner long service life, service behaviour high. Meet the needs that water-coal-slurry cold wall gasification furnace water-coal-slurry is lighted a fire and system is run for a long time continuously, there is very big economic benefit and social benefit.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described. Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention. Claimed scope is defined by appending claims and equivalent thereof.
Claims (8)
1. the igniter for water-coal-slurry cold wall gasification furnace, it is characterised in that including:
One water-coal-slurry cold wall gasification furnace;
One is nested in the burner hearth in described water-coal-slurry cold wall gasification furnace, constitutes the chamber of water-coal-slurry and oxygen combustion in described burner hearth;
Described burner hearth end arranges a guiding port, and this guiding port connects a coal water slurry process burner, and described coal water slurry process burner is fixed on described water-coal-slurry cold wall gasification furnace by Water-coal-slurry nozzle interface;
Also including a guiding channel, described guiding channel sequentially passes through the inwall of water-coal-slurry cold wall gasification furnace and burner hearth, the chamber become with freeze profile;
This guiding channel is nested with and is provided with igniting startup burner, described igniting startup burner freely-movable in guiding channel.
2. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1, it is characterised in that described igniting startup burner is fixed by the igniting startup burner interface being assemblied on described guiding channel.
3. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1, it is characterized in that, described igniting startup burner interface is also associated with propulsive mechanism, and this propulsive mechanism promotes described igniting startup burner interface to drive igniting startup burner automatically to move.
4. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1, it is characterised in that the side of described guiding channel is additionally provided with a purging gas interface, igniting startup burner is persistently cooled down by nitrogen by described purging gas interface.
5. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1, it is characterised in that described guiding channel and described guiding port are 30-60 �� of angle.
6. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1, it is characterised in that described burner hearth entirety ovalize.
7. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 1 or 6, it is characterised in that the inside upper part of described burner hearth is provided with refractory material, and the remainder of inner side is provided with water-cooled assembly.
8. a kind of igniter for water-coal-slurry cold wall gasification furnace according to claim 7, it is characterised in that described water-cooled assembly is some being arranged side by side in the water cooling tube of described inboard wall of burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055798.9A CN105647586A (en) | 2016-01-27 | 2016-01-27 | Ignition device of water-coal slurry cold wall gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055798.9A CN105647586A (en) | 2016-01-27 | 2016-01-27 | Ignition device of water-coal slurry cold wall gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105647586A true CN105647586A (en) | 2016-06-08 |
Family
ID=56487727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610055798.9A Pending CN105647586A (en) | 2016-01-27 | 2016-01-27 | Ignition device of water-coal slurry cold wall gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105647586A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323285A (en) * | 2000-05-16 | 2001-11-22 | Tokyo Gas Co Ltd | Injector unit for coal hydrogenation gasifier and method for operating the injector unit |
| CN2619938Y (en) * | 2003-05-12 | 2004-06-09 | 西北化工研究院 | Semi-water cooled wall type multiple pulp gasifying furnace |
| CN201395580Y (en) * | 2009-04-07 | 2010-02-03 | 顾大地 | Simple ignition-type water wall coal gasifier |
| CN203530258U (en) * | 2013-09-04 | 2014-04-09 | 神华集团有限责任公司 | Water-cooling wall arch crown and hot-wall type gasification furnace comprising same |
-
2016
- 2016-01-27 CN CN201610055798.9A patent/CN105647586A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323285A (en) * | 2000-05-16 | 2001-11-22 | Tokyo Gas Co Ltd | Injector unit for coal hydrogenation gasifier and method for operating the injector unit |
| CN2619938Y (en) * | 2003-05-12 | 2004-06-09 | 西北化工研究院 | Semi-water cooled wall type multiple pulp gasifying furnace |
| CN201395580Y (en) * | 2009-04-07 | 2010-02-03 | 顾大地 | Simple ignition-type water wall coal gasifier |
| CN203530258U (en) * | 2013-09-04 | 2014-04-09 | 神华集团有限责任公司 | Water-cooling wall arch crown and hot-wall type gasification furnace comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101691924B (en) | Water coal slurry pressure gasification process burner device with ignition device | |
| CN104449867B (en) | A kind of powdered coal pressuring gasified furnace igniting burner control method | |
| CN106918227A (en) | Using the end heat stove of heat-accumulating burner | |
| CN219433488U (en) | Hot-blast stove for pre-carbonization rotary kiln system | |
| CN103822208A (en) | Burner of gasification furnace | |
| CN102072651B (en) | Heat accumulating type heating furnace totally using blast furnace gas as fuel | |
| CN201526966U (en) | Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device | |
| CN203758257U (en) | Under-machine type heat exchanger for double-preheating sintering ignition furnace | |
| CN200949813Y (en) | Oil field coal-burning gas-injection boiler | |
| CN201852093U (en) | Air single heat-storage fuel continuous feeding type burner nozzle | |
| CN202938299U (en) | Gasification furnace burner | |
| CN202229231U (en) | Detachable vertical coal powder ignition device with cooling protection function | |
| CN203703971U (en) | Air preheat burner installed rapidly | |
| CN105647586A (en) | Ignition device of water-coal slurry cold wall gasifier | |
| CN201395580Y (en) | Simple ignition-type water wall coal gasifier | |
| CN105271842A (en) | Method for calcining active lime by use of mixed gas in lime sleeve kiln | |
| CN212390821U (en) | Burner arrangement structure of sintering ignition furnace | |
| CN102175042B (en) | Method for oven furnace or cold furnace ignition of heat-accumulating-type heating furnace totally adopting blast-furnace gas as fuel | |
| CN101503759A (en) | Sintering ignition technique utilizing residual heat | |
| CN201007476Y (en) | Dual-strong breeze ignition and steady firing device | |
| CN105670701A (en) | Ignition method of integrated CWS (coal water slurry) process burner | |
| CN206269161U (en) | Multifunction vapouration combustion furnace | |
| CN203385195U (en) | Porous medium smoke air heating furnace capable of mixing cold air | |
| CN210267218U (en) | Immersed pure oxygen burner | |
| CN208952075U (en) | A kind of double burner heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |