CN202509052U - Water-coal-slurry/pulverized coal gasification furnace and compound burner thereof - Google Patents
Water-coal-slurry/pulverized coal gasification furnace and compound burner thereof Download PDFInfo
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- CN202509052U CN202509052U CN 201220181435 CN201220181435U CN202509052U CN 202509052 U CN202509052 U CN 202509052U CN 201220181435 CN201220181435 CN 201220181435 CN 201220181435 U CN201220181435 U CN 201220181435U CN 202509052 U CN202509052 U CN 202509052U
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Abstract
The utility model discloses a water-coal-slurry/pulverized coal gasification furnace and a compound burner thereof. The compound burner comprises a middle oxygen channel, a feeding channel, a ring gap oxygen channel, an ignition electrode and a protective bushing of the ignition electrode, wherein the middle oxygen channel is communicated to an inner cavity of the gasification furnace; the feeding channel is communicated to the inner cavity of the gasification furnace and extends at the periphery of the middle oxygen channel; the ring gap oxygen channel is communicated to the inner cavity of the gasification furnace and extends at the periphery of the feeding channel, and a first cooling water jacket is arranged between the feeding channel and the ring gap oxygen channel; the periphery of the ring gap oxygen channel is provided with a second cooling water jacket; and the ignition electrode and the protective bushing of the ignition electrode are both arranged outside the feeding channel. According to the compound burner, disclosed by the utility model, scouring of high-speed water-coal-slurry/pulverized coal is avoided, spraying uniformity of the water-coal-slurry/pulverized coal in the feeding channel is improved and deviated spraying phenomenon of the burner is relieved.
Description
Technical field
The utility model relates to coal water slurry/pulverized coal gasification furnace, and the utility model also relates to the compound burner of coal water slurry/pulverized coal gasification furnace.
Background technology
Coal is a kind of important energy, and for a long time, coal in use is accompanied by serious environmental and pollutes.In recent years, be that the clean coal technology of purpose is paid attention to by people day by day to reduce disposal of pollutants with improving utilising efficiency; Coal Gasification Technology is as wherein processing of a kind of coal and transformation technology, is considered to one of clean coal technology of high-efficiency cleaning the most.
Modern Coal Gasification Technology, especially high pressure, large vol entrained flow bed gasification technology obtain widespread use in industry.There has been how tame producer to introduce and utilize modern entrained flow bed gasification technology in China; Modern entrained flow bed gasification technology mainly is divided into coal water slurry gasification and coal gasification; Modern entrained flow bed gasification technology has that environmental pollution is little, the level of automation advantages of higher; But this technical matters has some ubiquitous problems, and these problems affect the normal operation of gasification installation in varying degrees.
The nucleus equipment of Coal Gasification Technology is a vapourizing furnace, and vapourizing furnace often needed first baker before feeding intake.
Coal slurry gasifier at first need use the preheating burner that furnace temperature is dried by the fire near 1200 ℃ before feeding intake, and behind the constant temperature number hour the preheating burner was pulled down; Mounting process burner then switches the burner water coolant, the vapourizing furnace driving that just can feed intake; It is very big to switch the burner process labour intensity that feeds intake; And as if switching burner, replacement process delay is arranged slightly, furnace temperature is reduced to below 900 ℃, cause easily to feed intake loss of ignition and have potential safety hazard.
The dry coal dust gasification furnace operating process very complicated that goes into operation, starting ignition burner at first when cold conditions is lighted the inflammable gas of its ejection; Light the startup burner that uses fuel oil by igniter burner then, according to heating curve vapourizing furnace is carried out baker, when temperature and pressure has reached the operating mode of processing requirement; The fine coal burner carries out chemical industry again and feeds intake, and like the shell vapourizing furnace, needs to prepare three kinds of different types of burners; And more in the perforate of vapourizing furnace combustion chamber, form potential safety hazard easily.
The coal gasifier operating process that goes into operation is loaded down with trivial details, and baker switches the burner of different effects to the process need that feeds intake, and can't accomplish that baker, chemical industry feed intake to carry out continuously; There are potential safety hazard in existing coal gasifier feeding mode and structure.
The utility model content
The utility model purpose is to provide a kind of compound burner of coal water slurry/pulverized coal gasification furnace, to avoid the washing away spark electrode of high speed water coal slurry/fine coal.A kind of coal water slurry/pulverized coal gasification furnace with this compound burner also is provided simultaneously.
For this reason,, a kind of compound burner of coal water slurry/pulverized coal gasification furnace is provided, has comprised according to the one side of the utility model: middle oxygen passage, lead to the vapourizing furnace inner chamber; The passage that feeds intake leads to the vapourizing furnace inner chamber and extends in the periphery of middle oxygen passage; Annular space oxygen passage leads to the vapourizing furnace inner chamber and extends in the periphery of the passage that feeds intake, and wherein, feeding intake is provided with first cooling water jecket between passage and the annular space oxygen passage, and annular space oxygen passage periphery is provided with second cooling water jecket; And the protective casing of spark electrode and spark electrode, all be arranged on the outside of the passage that feeds intake.
Further, the inside of above-mentioned middle oxygen passage medially is provided with fire inspection passage pipe, and an end of facing the vapourizing furnace inner chamber of fire inspection passage pipe is provided with transparent high temperature protection body.
Further, above-mentioned transparent high temperature protection body is a quartz glass body.
Further, the protective casing of above-mentioned spark electrode and spark electrode is arranged in the first cooling water jecket inner chamber.
Further, be provided with swirler-in above-mentioned middle oxygen passage and/or the annular space oxygen passage.
Further, above-mentioned compound burner also comprises: cooling water coil, at the second cooling water jecket peripheral ring around extension; And burner head protection layer, extend in the lower, outer perimeter of cooling water coil.
According to the utility model on the other hand, a kind of coal water slurry/pulverized coal gasification furnace is provided, has comprised compound burner, this compound burner is a described compound burner above the basis.
Further; Above-mentioned vapourizing furnace also comprises: first group of pipeline; Comprise that the pipeline that purifies air that is communicated with the middle oxygen passage and the annular space oxygen channel selecting property of compound burner, oxygen pipeline and first displacement use nitrogen pipeline; Wherein, purify air pipeline, oxygen pipeline, first displacement with being respectively arranged with first group of pipe-line control valves on the nitrogen pipeline; And second group of pipeline; Comprise with the fuelgas pipeline that is communicated with, second of compound burner with feeding intake channel selecting property and replacing with nitrogen pipeline and coal dust/coal water slurry pipeline; Wherein, fuelgas pipeline, second displacement are with being respectively equipped with second group of pipe-line control valves on nitrogen pipeline and the coal dust/coal water slurry pipeline.
Further; Be respectively arranged with two valves on the purify air pipeline and the oxygen pipeline of above-mentioned first group of pipeline; First group of pipeline also comprises the first isolated nitrogen pipeline of use, and first completely cuts off with nitrogen pipeline and be connected between two valves of the pipeline that purifies air and be connected between two valves of oxygen pipeline.
Further, the fuelgas pipeline of above-mentioned second group of pipeline is provided with two valves, and second group of pipeline also comprises the isolated nitrogen pipeline of using of second between two valves that are connected to fuelgas pipeline.
Further, above-mentioned second group of pipeline also comprises the pipeline to coal dust/the coal water slurry pipeline purges or washes.
Compare with the prior art that spark electrode and protective casing thereof are arranged in the passage that feeds intake; In the utility model compound burner; The installation site of spark electrode and protective casing thereof is positioned at the outside of the passage that feeds intake; Avoid washing away of high speed water coal slurry/fine coal, also improved the homogeneity of coal water slurry in the passage that feeds intake or coal dust ejection, reduced the inclined to one side spray phenomenon of burner.According to the vapourizing furnace of the utility model, baker feeds intake and can carry out continuously to chemical industry, reduces labour intensity, and the time spent that feeds intake is short, and baker to 950～1050 ℃ can feed intake, and have significantly saved the driving expense.
Except top described purpose, characteristic and advantage, other purpose, characteristic and the advantage that the utlity model has are with combining accompanying drawing to do further detailed explanation.
Description of drawings
Constitute the preferred embodiment that the part of this specification sheets, the accompanying drawing that is used for further understanding the utility model show the utility model, and be used for explaining the principle of the utility model with specification sheets.Among the figure:
Fig. 1 shows the structural representation according to the start-up compound burner that is used for coal water slurry/pulverized coal gasification furnace of the utility model;
Fig. 2 shows the A-A schematic cross-section according to the start-up compound burner of the utility model;
Fig. 3 shows the schema according to the feeding method that is used for coal water slurry/pulverized coal gasification furnace of the utility model one embodiment;
Fig. 4 shows the schema according to the feeding method that is used for coal water slurry/pulverized coal gasification furnace of another embodiment of the utility model; And
Fig. 5 shows the annexation synoptic diagram according to start-up compound burner of the utility model and feed line.
Description of reference numerals
4 annular space oxygen passages, 6 spark electrodes
61 protective casings, 7 first cooling water jeckets
7 ' second cooling water jecket, 8 cooling water coils
Oxygen feeder connection in the middle of the 9 burner head protection layers 21
31 feeder connection 32 channel outlet that feed intake that feed intake
11 swirler-s, 5 fire inspection passage pipe
51 fire inspection appearance installing ports, 52 high temperature protection bodies
30 second groups of pipelines of 20 first groups of pipelines.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 shows the structural representation according to the start-up compound burner that is used for coal water slurry/pulverized coal gasification furnace of the utility model, and Fig. 2 shows the A-A schematic cross-section according to the start-up compound burner of the utility model.As depicted in figs. 1 and 2, compound burner comprises the coaxial middle oxygen passage 2 that is nested with, the passage 3 that feeds intake, annular space oxygen passage 4, spark electrode 6 and protective casing thereof 61, first cooling water jecket 7, second cooling water jecket 7 ', cooling water coil 8 and burner head protection layer 9.
Be respectively equipped with swirler-11 in middle oxygen passage 2 and the annular space oxygen passage 4, swirler-11 is positioned at the upper end of the reducing of compound burner.
Annular space oxygen passage 4 is made up of the annular space space between first cooling water jecket 7 and second cooling water jecket 7 '.First cooling water jecket 7 is feeding intake between passage 3 and the annular space oxygen passage 4; Second cooling water jecket 7 ' is installed in annular space oxygen passage 4 skins and wraps annular space oxygen passage 4; Then be cooling water coil 8 and burner head protection layer 9 toward skin again; Burner head protection layer 9 is an outermost layer, is the high temperature resistant corrosion material that resistance to wears.
The said structure characteristic of compound burner and technique effect thereof are on the books in Chinese utility model patent 201010513700.2, and its totality is incorporated into that this is for reference, does not give unnecessary details in detail at this.
In the utility model, spark electrode 6 and protective casing 61 thereof are mounted on the outer wall of the passage 3 that feeds intake, be preferably placed in the passage of first cooling water jecket 7, can fix through two to three gussets that are welded on passage 3 outer walls that feed intake.
Compare with the prior art that spark electrode and protective casing thereof are arranged in the passage that feeds intake; The spark electrode 6 of the utility model and the installation site of protective casing 61 thereof are positioned at the outside of the passage 3 that feeds intake; Avoided washing away of high speed water coal slurry/fine coal; Improve the homogeneity of coal water slurry in the passage that feeds intake or coal dust ejection simultaneously, reduced the inclined to one side spray phenomenon of burner.
The center of middle oxygen passage 2 is provided with fire inspection passage pipe 5; Play the effect of conduction flame optical signal, fiery inspection appearance is installed on the fire inspection appearance installing port 51 of fire inspection passage pipe 5 upper ends, is used for detecting the flame usefulness of vapourizing furnace inner chamber; The lower end is equipped with transparent high temperature protection body 52; For example process by resistant to elevated temperatures silica glass, isolated to have realized in the production process with the vapourizing furnace inner chamber, stop potential safety hazard.
Fig. 3 shows the schema according to the feeding method that is used for coal water slurry/pulverized coal gasification furnace of the utility model one embodiment.The feeding method that is used for coal water slurry/pulverized coal gasification furnace of the utility model may further comprise the steps:
Baker step S10: after middle oxygen passage 2 feedings purify air, connect the spark electrode power supply, the spark electrode discharge igniting feeds fuel gas to the passage 3 that feeds intake then, and the fuel gas burning is accomplished and lighted a fire, the beginning baker.Wherein, process is except that purifying air as ignition dope after the grease dedusting.
Displacement step S20: after baker finishes, stop to supply with and purify air and fuel gas, use simultaneously displacement with nitrogen replacement fall in the pipeline with vapourizing furnace in gas.
The step that feeds intake S30: after displacement is qualified, supply with coal dust or coal water slurry to the passage 3 of feeding intake, after coal dust or coal water slurry are about to stove, supply with oxygen to middle oxygen passage 2 and annular space oxygen passage 4, coal dust/coal water slurry is at high temperature burnt, and completion feeds intake.
Wherein, in the utility model, only need baker to 950～1050 ℃ can feed intake.
Need in the normal productive process to protect oxygen pipeline pressure all the time a little more than coal water slurry/fine coal line pressure, coal water slurry/fine coal line pressure is all the time a little more than vapourizing furnace pressure, in case security incident takes place.
Compared with prior art, the feeding method that is used for coal water slurry/pulverized coal gasification furnace of the utility model has the following advantages: what one, the realization vapourizing furnace fed intake from the baker to the chemical industry carries out continuously; Two, carry out continuously owing to what realized from the baker to the chemical industry, feeding intake; So feed intake the time spent short, so and vapourizing furnace do not have the perforate operation because of need not to change burner, almost not decline of vapourizing furnace furnace temperature in this process; So only need baker to 950～1050 ℃ can feed intake; And need not long-time constant temperature, like this, saved fuel gas greatly; Three, can reduce labour intensity greatly with respect to prior art, practice thrift cost of labor, simultaneously more safe and reliable.
Fig. 4 shows the schema according to the feeding method that is used for coal water slurry/pulverized coal gasification furnace of another embodiment of the utility model.As shown in Figure 4, compare with feeding method shown in Figure 3, also comprise:
Parking step S40: when needs stop; Stop supplies oxygen and coal dust or coal water slurry; After vapourizing furnace pressurize and pressure release finish; Utilize displacement with in the nitrogen replacement pipeline with vapourizing furnace in gas until qualified, utilize then to purge to purge or utilize wash-down water (when the employing coal water slurry gasification time) that pipeline is washed to pipeline with nitrogen (when the employing coal dust gasification), make inner-walls of duct noresidue coal dust or coal slurry.
According to the feeding method of the utility model, can adopt feed line that compound burner is fed intake.Fig. 5 schematically shows according to the start-up compound burner of the utility model one embodiment and the annexation of feed line.As shown in Figure 5, vapourizing furnace comprises first group of pipeline 20 and the second group of pipeline 30 that is connected with start-up compound burner 10.
First group of pipeline 20 and second group of pipeline 30 among Fig. 5 design according to following allocation plan: first group of pipeline 20 be used for purify air, oxygen and first displacement optionally be communicated with the middle oxygen passage 2 and the annular space oxygen passage 4 of compound burner through valve with nitrogen (being low-pressure nitrogen); Second group of pipeline 30 is used for second displacement optionally is communicated with the passage 3 that feeds intake of compound burner through valve with nitrogen (being low-pressure nitrogen), fuel gas, coal dust or coal water slurry.
Particularly; Above-mentioned first group of pipeline 20 can be built into: first group of pipeline 20 comprises that the pipeline that purifies air, oxygen pipeline and first displacement that are communicated with the middle oxygen passage and the annular space oxygen channel selecting property of compound burner use nitrogen pipeline; Wherein, purify air pipeline, oxygen pipeline, first displacement with being respectively arranged with valve on the nitrogen pipeline.
Also comprise on first group of pipeline purifying air and the oxygen first isolated nitrogen pipeline of using of isolated sealing gland optionally.For this reason; First group of pipeline can be optimized and be built into: be disposed in order two valves on the pipeline that purifies air of first group of pipeline; Two valves also are set on the oxygen pipeline of first group of pipeline in proper order; First isolated is connected between two valves of the pipeline that purifies air with nitrogen pipeline, and is connected between two valves of oxygen pipeline.Wherein, isolated being higher than all the time with nitrogen gas pressure purifies air and oxygen and fuel gas, can realize that so sealing gland is isolated, the security that improves production process.
Particularly; Above-mentioned second group of pipeline 30 can be built into: second group of pipeline 30 comprises with the fuelgas pipeline that is communicated with, second of compound burner with feeding intake channel selecting property replaces with nitrogen pipeline and coal dust/coal water slurry pipeline; Wherein, fuelgas pipeline, second displacement are with being respectively equipped with valve on nitrogen pipeline and the coal dust/coal water slurry pipeline.
Also comprise the second isolated nitrogen pipeline of using on second group of pipeline to the isolated sealing gland of the fuel gas selectivity in the fuelgas pipeline.For this reason, second group of pipeline can be optimized and be built into: be provided with two valves on the fuelgas pipeline of second group of pipeline in order, second isolatedly is connected between two valves of fuelgas pipeline with nitrogen pipeline.Wherein, isolated being higher than all the time with nitrogen gas pressure purifies air and oxygen and fuel gas, can realize that so sealing gland is isolated, the security that improves production process.
In Fig. 5, on the basis of above-mentioned allocation plan, each pipeline of first group of pipeline and second group of pipeline has been carried out an optimum combination, specific as follows:
The flow direction of oxygen pipeline upper edge oxygen is provided with valve XV102, XV101 successively; Oxygen pipeline is supplied with oxygen through the adjustable valve FV101 of flow to middle oxygen passage 2, supplies with oxygen through the adjustable valve FV102 of another flow to the feeder connection of annular space oxygen passage 4.
Purifying air is connected to oxygen pipeline through the pipeline that purifies air, and the flow direction that this pipeline upper edge that purifies air purifies air is disposed with blind plate SFS104, valve XV104 and valve XV103.Wherein, when baker, this blind plate conducting; After baker finishes, this blind plate guide.
Displacement is connected to purify air pipeline valve XV104 and valve XV103 between through displacement with nitrogen pipeline with nitrogen, and displacement is disposed with valve XV108 and valve XV106 with nitrogen pipeline along the flow direction of low-pressure nitrogen.
Be connected between the valve XV106 and valve XV108 of displacement with nitrogen pipeline, be connected between the valve XV102 and valve XV101 of oxygen pipeline through a branch line (branch line is provided with valve XV109) with nitrogen pipeline by the isolated of the whole control of valve XV107 through another branch line (branch line is provided with valve XV105).
Coal dust/coal water slurry pipeline of supplying with coal dust/coal water slurry is provided with valve XV201 and valve XV202.The fuelgas pipeline of fueling gas is connected to the coal dust/water gas pipe line between valve XV201 and the valve XV202, and the flow direction of this fuelgas pipeline upper edge fuel gas is provided with valve XV204, valve XV208 and valve XV203 successively.
Supply with the displacement of replacing with nitrogen and be connected to the fuelgas pipeline between valve XV204 and the valve XV208 with nitrogen pipeline, this displacement is provided with valve XV206 with nitrogen pipeline.
Supply with and isolatedly to be connected to the fuelgas pipeline between valve XV204 and the valve XV208 with the isolated of nitrogen with nitrogen pipeline, this completely cuts off and is provided with valve XV205 with nitrogen pipeline.
In addition; Supply with the purging that purges with nitrogen/wash-down water and be connected to the fuelgas pipeline between valve XV208 and the valve XV203 with nitrogen/wash-down water pipeline; And the blowdown pipeline that is used for blowdown is connected between the valve XV201 and valve XV202 of coal dust/coal water slurry pipeline; This purging is provided with valve XV207 with nitrogen/wash-down water pipeline, and this blowdown pipeline is provided with valve XV209.
Wherein, displacement can use same displacement to use source nitrogen with nitrogen pipeline, completely cuts off with nitrogen pipeline to use the same isolated source nitrogen of using.The isolated pressure that is higher than oxygen all the time and purifies air with nitrogen gas pressure.
The vapourizing furnace startup procedure is following: use fuel gas and process except that purifying air as ignition dope after the grease dedusting during baker; Isolatedly simultaneously be used for starvation as sealing gland, utilize spark electrode fire fuel gas to get final product baker with nitrogen (pressure be higher than all the time purify air and oxygen); After baker finishes; Close earlier and purify air and the fuelgas pipeline valve; Then use low-pressure nitrogen to replace air, the fuel gas in pipeline and the vapourizing furnace and the venting of speeding; After displacement was qualified, XV106/ and XV205 opened, isolated be used for completely cutting off as sealing gland with nitrogen (pressure be higher than all the time purify air and oxygen) purify air and fuel gas; Then supply with coal dust or coal water slurry to the passage 3 that feeds intake, after coal dust or coal water slurry were about to stove, XV105 closed; Isolated stop starvation as sealing gland with nitrogen (pressure be higher than all the time purify air and oxygen); Then, the oxygen pipeline valve open is supplied with oxygen to middle oxygen passage 2 and annular space oxygen passage 4, and coal dust/coal water slurry is at high temperature burnt; Can accomplish feeding intake, baker sees following table one for details to the valve event sequence of control of the process of feeding intake.
Table one
In last table one; Be subdivided into according to sequential to feeding intake from baker: baker and--finish displacement after the displacement of baker end--low-pressure nitrogen displacement---low-pressure nitrogen is qualified (after displacement is qualified; XV106/ and XV205 open; Isolated be used for isolated purifying air and fuel gas as sealing gland with nitrogen (pressure be higher than all the time purify air and oxygen))----throwing coal dust/coal water slurry (2)---Qie high pressure nitrogen sealing gland of throwing coal dust/coal water slurry (1) (XV105 closes, isolated stop starvation as sealing gland)--throwing oxygen (1)--throwing oxygen (2)---feed intake successfully with nitrogen (pressure be higher than all the time purify air and oxygen).Wherein, " O " expression valve open in the form, this valve closes of the blank expression in form place, the shade mark in the form representes that valve has action in this step.Control the action of each valve according to last table, that can realize smoothly from the baker to the chemical industry, feeding intake carries out continuously, and the action of above-mentioned each valve is controlled by units such as programmable logic controller, micro-chip, DCS and SIS or system.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (11)
1. the compound burner of a coal water slurry/pulverized coal gasification furnace is characterized in that, comprising:
Middle oxygen passage (2) leads to the vapourizing furnace inner chamber;
The passage (3) that feeds intake, lead to the vapourizing furnace inner chamber and in the middle of said the periphery of oxygen passage extend;
Annular space oxygen passage (4); Lead to the vapourizing furnace inner chamber and extend in the periphery of the said passage that feeds intake; Wherein, be provided with first cooling water jecket (7) between said passage that feeds intake (3) and the said annular space oxygen passage (4), said annular space oxygen passage (4) periphery is provided with second cooling water jecket (7 '); And
The protective casing (61) of spark electrode (6) and said spark electrode all is arranged on the outside of the said passage that feeds intake (3).
2. the compound burner of coal water slurry/pulverized coal gasification furnace according to claim 1; It is characterized in that; The inside of oxygen passage (2) medially is provided with fire inspection passage pipe (5) in the middle of said, and the end in the face of the vapourizing furnace inner chamber of said fire inspection passage pipe (5) is provided with transparent high temperature protection body (52).
3. the compound burner of coal water slurry/pulverized coal gasification furnace according to claim 2 is characterized in that, said transparent high temperature protection body (52) is a quartz glass body.
4. the compound burner of coal water slurry/pulverized coal gasification furnace according to claim 1 is characterized in that, the protective casing (61) of said spark electrode (6) and spark electrode is arranged in said first cooling water jecket (7) inner chamber.
5. the compound burner of coal water slurry/pulverized coal gasification furnace according to claim 1 is characterized in that, is provided with swirler-(11) in said middle oxygen passage (2) and/or the said annular space oxygen passage (4).
6. the compound burner of coal water slurry/pulverized coal gasification furnace according to claim 1 is characterized in that, also comprises:
Cooling water coil (8), at said second cooling water jecket (the 7 ') peripheral ring around extension; And
Burner head protection layer (9) extends in the lower, outer perimeter of said cooling water coil (8).
7. a coal water slurry/pulverized coal gasification furnace comprises compound burner, it is characterized in that, said compound burner is according to each described compound burner in the claim 1 to 5.
8. coal water slurry/pulverized coal gasification furnace according to claim 7 is characterized in that, also comprises:
First group of pipeline (20); Comprise that the pipeline that purifies air that is communicated with the middle oxygen passage and the annular space oxygen channel selecting property of said compound burner, oxygen pipeline and first displacement use nitrogen pipeline; Wherein, the said pipeline that purifies air, oxygen pipeline, first displacement are with being respectively arranged with first group of pipe-line control valves on the nitrogen pipeline; And
Second group of pipeline (30); Comprise with the fuelgas pipeline that is communicated with, second of said compound burner with feeding intake channel selecting property and replacing with nitrogen pipeline and coal dust/coal water slurry pipeline; Wherein, said fuelgas pipeline, second displacement are with being respectively equipped with second group of pipe-line control valves on nitrogen pipeline and the coal dust/coal water slurry pipeline.
9. coal water slurry/pulverized coal gasification furnace according to claim 8; It is characterized in that; Be respectively arranged with two valves on the purify air pipeline and the oxygen pipeline of said first group of pipeline; Said first group of pipeline also comprises the first isolated nitrogen pipeline of use, and said first completely cuts off with nitrogen pipeline and be connected between two valves of the said pipeline that purifies air and be connected between two valves of said oxygen pipeline.
10. coal water slurry/pulverized coal gasification furnace according to claim 8; It is characterized in that; The fuelgas pipeline of said second group of pipeline is provided with two valves, and said second group of pipeline also comprises the isolated nitrogen pipeline of using of second between two valves that are connected to said fuelgas pipeline.
11. coal water slurry/pulverized coal gasification furnace according to claim 8 is characterized in that, said second group of pipeline also comprises the pipeline to said coal dust/the coal water slurry pipeline purges or washes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181435 CN202509052U (en) | 2012-04-25 | 2012-04-25 | Water-coal-slurry/pulverized coal gasification furnace and compound burner thereof |
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| CN 201220181435 CN202509052U (en) | 2012-04-25 | 2012-04-25 | Water-coal-slurry/pulverized coal gasification furnace and compound burner thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103409169A (en) * | 2013-06-14 | 2013-11-27 | 水煤浆气化及煤化工国家工程研究中心 | Gasification device and online feeding method with water coal slurry or pulverized coal as raw material |
| CN103484166A (en) * | 2013-09-25 | 2014-01-01 | 上海锅炉厂有限公司 | Solid powder burner and use method thereof |
| CN104525395A (en) * | 2014-11-27 | 2015-04-22 | 哈尔滨锅炉厂有限责任公司 | High temperature-resistant feeding nozzle |
| CN104560205B (en) * | 2013-10-22 | 2017-05-03 | 任相坤 | Water-coal slurry and natural gas combined gasifier |
| CN107090314A (en) * | 2017-07-06 | 2017-08-25 | 华东理工大学 | The cooling means and cooling system of gasification burner tip |
| CN108485713A (en) * | 2018-05-28 | 2018-09-04 | 北京精益增材科技有限公司 | A kind of integral type process burner nozzle of built-in coolant flow channel |
| CN109181774A (en) * | 2018-08-22 | 2019-01-11 | 清华大学山西清洁能源研究院 | The coal-water slurry gasification burner of integrated ignition function |
| CN111676064A (en) * | 2020-06-03 | 2020-09-18 | 清华大学 | Coal gasification burner and gasification furnace thereof |
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2012
- 2012-04-25 CN CN 201220181435 patent/CN202509052U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409169A (en) * | 2013-06-14 | 2013-11-27 | 水煤浆气化及煤化工国家工程研究中心 | Gasification device and online feeding method with water coal slurry or pulverized coal as raw material |
| CN103484166A (en) * | 2013-09-25 | 2014-01-01 | 上海锅炉厂有限公司 | Solid powder burner and use method thereof |
| CN103484166B (en) * | 2013-09-25 | 2015-07-15 | 上海锅炉厂有限公司 | Solid powder burner and use method thereof |
| CN104560205B (en) * | 2013-10-22 | 2017-05-03 | 任相坤 | Water-coal slurry and natural gas combined gasifier |
| CN104525395A (en) * | 2014-11-27 | 2015-04-22 | 哈尔滨锅炉厂有限责任公司 | High temperature-resistant feeding nozzle |
| CN104525395B (en) * | 2014-11-27 | 2017-06-16 | 哈尔滨锅炉厂有限责任公司 | High temperature resistant feed nozzle |
| CN107090314A (en) * | 2017-07-06 | 2017-08-25 | 华东理工大学 | The cooling means and cooling system of gasification burner tip |
| CN107090314B (en) * | 2017-07-06 | 2023-07-14 | 华东理工大学 | Cooling method and cooling system of gasification burner |
| CN108485713A (en) * | 2018-05-28 | 2018-09-04 | 北京精益增材科技有限公司 | A kind of integral type process burner nozzle of built-in coolant flow channel |
| CN108485713B (en) * | 2018-05-28 | 2024-03-26 | 北京精益增材科技有限公司 | Integrated process burner nozzle with built-in cooling flow passage |
| CN109181774A (en) * | 2018-08-22 | 2019-01-11 | 清华大学山西清洁能源研究院 | The coal-water slurry gasification burner of integrated ignition function |
| CN111676064A (en) * | 2020-06-03 | 2020-09-18 | 清华大学 | Coal gasification burner and gasification furnace thereof |
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