CN106147875A - A kind of coal water slurry pressurized gasifier jacket cooling type process burner - Google Patents
A kind of coal water slurry pressurized gasifier jacket cooling type process burner Download PDFInfo
- Publication number
- CN106147875A CN106147875A CN201610730847.4A CN201610730847A CN106147875A CN 106147875 A CN106147875 A CN 106147875A CN 201610730847 A CN201610730847 A CN 201610730847A CN 106147875 A CN106147875 A CN 106147875A
- Authority
- CN
- China
- Prior art keywords
- burner
- water
- coal
- slurry
- shower nozzle
- 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
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 239000002002 slurry Substances 0.000 title claims abstract description 19
- 239000000498 cooling water Substances 0.000 claims abstract description 32
- 239000003250 coal slurry Substances 0.000 claims description 34
- 239000004593 Epoxy Substances 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 229910052760 oxygen Inorganic materials 0.000 claims description 29
- 239000001301 oxygen Substances 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000002309 gasification Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
Abstract
The open a kind of coal water slurry pressurized gasifier jacket cooling type process burner of the present invention; the gas access, the nozzle component being positioned at burner lower end that including burner body, are positioned at burner body upper end and be looped around the cooling water jecket outside burner body; the present invention uses chuck to cool down; the circulation area of cooling water can be increased; improve heat exchange efficiency, provide more preferable cooling protection to burner；Passage annular space each to burner inside is optimized, and is adapted to the needs of Coal rank and reaches more preferable atomizing effect, improves efficiency of carbon con version；Use High Strength Wear-Resistance Material high temperature resistant, corrosion resistant, the service life of process burner can be extended.
Description
Technical field
The present invention relates to a kind of process burner, particularly relate to a kind of coal water slurry pressurized gasifier jacket cooling type technique and burn
Mouth.
Background technology
Coal water slurry gasification technology is since being born, through constantly groping, study and constantly improving development, at coal
Chemical field is widely used.The most representative has multiple-nozzle contraposition type coal water slurry gasification stove, Tsing-Hua University's water
Cold wall coal slurry gasifier and Texaco's coal water slurry pressurized gasifier.Along with coal clean utilization technology is widelyd popularize by country,
Water coal slurry pressurized gasification technology is developed rapidly in China, and its major advantage has: plant running is reliable and stable；Automatization's journey
Degree height；Operation controls more flexible；Coal gasification efficiency is high；Technic index is advanced；Environmental-protecting performance comparative superiority, discharge of wastewater is relatively
Few；Gasifier operation load regulation range big (between 50% ~ 110% can stable operation)；Adapt to (the single stove coal feeding amount 3000 that maximizes
Ton per day).
Process burner is the nucleus equipment of coal water slurry gasification technology, and the quality of burner performance, the length in life-span directly affect
To the running quality of whole device, most of technical-economic index of gasification installation is all relevant with process burner.Burner uses the longevity
Life is the key factor determining coal slurry gasifier production cycle length, and the coal gasification security incident of 60% is all relevant with burner, or
Caused by burner, or first cause burner broken.During burner broken, the imbalance of gasification reaction carbon ratio may be directly contributed, make gas
Change stove feed system material wadding disorderly, cause the major accident such as gasification furnace overtemperature, peroxide blast.Therefore, running is wanted especially
Pay close attention to burner service life and efficiency.
Owing to process burner shower nozzle has small part to extend into gasification furnace combustion chamber, working environment is relatively more severe, by height
The factor impacts such as temperature radiation, high velocity air and coal slurry washes away, high temperature corrosion gas and slag erosion, cause use period ratio relatively
Short, current process burner uses the cycle at about 70 days, and the long-period stable operation and the height that seriously constrain gasification system are born
Lotus produces.Arrived use week after date to need to stop and change, change every time can cause during burner stops car a certain amount of coal slurry and
The loss of other raw materials, therefore extends process burner and is the raising gasifier operation cycle, increases having of benefit service life
One of effect approach, is particularly important for enterprise.Owing to residue is serious to the blocking of burner mounting aperture, maintenance is pulled out every time
When going out process burner, resistance is relatively big, all can cause the damage of cooling water coil.
Summary of the invention
For the defect of prior art, the present invention provides a kind of coal water slurry pressurized gasifier jacket cooling type technique to burn
Mouth, extends the service life of process burner, it is simple to the installation of process burner and extracting, and reduces the damage to burner mounting aperture refractory brick
Bad.
In order to solve described technical problem, the technical solution used in the present invention is: a kind of coal water slurry pressurized gasifier chuck
Cooled process burner, the gas access including burner body, being positioned at burner body upper end, the nozzle component being positioned at burner lower end
And it being looped around the cooling water jecket outside burner body, burner body includes the central oxygen that coaxial line sets gradually from inside to outside
Passage, water-coal-slurry passage and outer epoxy passage, described gas access includes that central oxygen entrance, water-coal-slurry entrance and outer epoxy enter
Mouthful, central oxygen entrance, water-coal-slurry entrance and outer epoxy entrance respectively with central oxygen passage, water-coal-slurry passage and outer epoxy passage phase
Connection, described cooling water jecket includes cooling down water inner chamber and cooling water exocoel, and cooling water inner chamber communicates bottom cooling water exocoel,
Between separated by dividing plate, cool down water inner space cooling water inlet, cooling water exocoel connection coolant outlet；Described jet head sets
Part includes central oxygen shower nozzle, water-coal-slurry shower nozzle and outer epoxy shower nozzle, central oxygen shower nozzle end face and outer epoxy nozzle end face at a distance of 4 ±
0.5mm, water-coal-slurry shower nozzle end face outer shroud oxygen shower nozzle end face is at a distance of 1 ± 0.5mm, and the end of cooling water jecket is wrapped in the spray of outer epoxy
The outside of head.
Coal water slurry pressurized gasifier jacket cooling type process burner of the present invention, this process burner is the pre-film of exterior mixing
Burner.Three strands of logistics injection burners, the interior outside of coal slurry is swiftly flowing oxygen stream stock, and is certain confluent angle with coal slurry；
Oxygen stream stock makes coal slurry be atomized by modes such as shock, vibrations, can reach 100 μm yardsticks.Water-coal-slurry of the present invention adds calms the anger
Changing stove jacket cooling type process burner, outer epoxy passage and outer epoxy shower nozzle are made up of hard alloy.
Coal water slurry pressurized gasifier jacket cooling type process burner of the present invention, outer epoxy passage and outer epoxy shower nozzle
It is made up of tungsten carbide.
Of the present invention provide the benefit that: coal water slurry pressurized gasifier jacket cooling type process burner of the present invention
Employing chuck cools down, and can increase the circulation area of cooling water, improves heat exchange efficiency, provides more preferable cooling protection to burner；
Passage annular space each to burner inside is optimized, and is adapted to the needs of Coal rank and reaches more preferable atomizing effect, carrying
High carbon conversions；Use High Strength Wear-Resistance Material high temperature resistant, corrosion resistant, the service life of process burner can be extended, thus
Extend cycle of operation and the production at high load of gasification system, make enterprise produce bigger benefit；It is easy to the installation of process burner
With extract, reduce damage to burner mounting aperture refractory brick.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing of nozzle component；
Fig. 3 is the enlarged drawing of nozzle component end face；
In figure: 1, central oxygen passage, 2, water-coal-slurry passage, 3, outer epoxy passage, 4, cooling water inner chamber, 5, cooling water exocoel, 6,
Cooling water inlet, 7, coolant outlet, 8, central oxygen entrance, 9, outer epoxy entrance, 10, water-coal-slurry entrance, 11, dividing plate, 12, in
Heart oxygen shower nozzle, 13, water-coal-slurry shower nozzle, 14, outer epoxy shower nozzle.
Detailed description of the invention
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of coal water slurry pressurized gasifier jacket cooling type process burner, including burner body, it is positioned at
The gas access of burner body upper end, it is positioned at the nozzle component of burner lower end and is looped around the cooling water folder outside burner body
Set, burner body includes central oxygen passage 1, water-coal-slurry passage 2 and the outer epoxy passage 3 that coaxial line sets gradually from inside to outside,
Described gas access includes central oxygen entrance 8, water-coal-slurry entrance 10 and outer epoxy entrance 9, central oxygen entrance 8, water-coal-slurry entrance
10 are connected with central oxygen passage 1, water-coal-slurry passage 2 and outer epoxy passage 3 respectively with outer epoxy entrance 9, and described cooling water presss from both sides
Set includes cooling down water inner chamber 4 and cooling water exocoel 5, and cooling water inner chamber 4 communicates bottom water exocoel 5 with cooling down, between pass through dividing plate
11 separate, and cooling water inner chamber 4 connects cooling water inlet 6, and cooling water exocoel 5 connects coolant outlet 7；Described nozzle component includes
Central oxygen shower nozzle 12, water-coal-slurry shower nozzle 13 and outer epoxy shower nozzle 14, the end of cooling water jecket is wrapped in outer epoxy shower nozzle 14
Outside.The present invention uses chuck to cool down, and can increase the circulation area of cooling water, improves heat exchange efficiency, improves burner more preferably
Cooling protection.
The present invention combines burner practical operation situation, by simulation burner atomizing effect, tunnel ends each to burner inside
Gap, face is optimized, and central oxygen shower nozzle end face is 4mm with distance D1 in outer epoxy nozzle end face, water-coal-slurry shower nozzle end face outer shroud
Distance D2 of oxygen shower nozzle end face is 1mm, in order to the more preferably end adapts to the needs of Coal rank and reaches more preferable atomizing effect, improves
Efficiency of carbon con version.
Present invention epoxy shower nozzle be full of cracks outer to burner, the spot corrosion of outer epoxy passage, the phenomenon such as abrasion of slurry spray head are carried out
Analysis and research, select metal material the most high temperature resistant, corrosion resistant, select tungsten carbide or hard alloy, such as UMCo50
With High Strength Wear-Resistance Materials such as Hayness188, burner service life can be extended.
Coal water slurry pressurized gasifier jacket cooling type process burner of the present invention is three streaming sleeve structures, at shower nozzle
It is provided with jacket type cooling water cavity, the high flow rate oxygen of central oxygen passage 1 and outer epoxy passage 3 and middle water-coal-slurry passage during work
The coal slurry of 2 mixes at shower nozzle, and under the impact of oxygen, coal slurry sprays into gasification furnace to adjust mist, reaches to be atomized coal slurry
Effect.
Described above is only ultimate principle and the preferred embodiment of the present invention, and those skilled in the art make according to the present invention
The improvement gone out and replacement, belong to protection scope of the present invention.
Claims (3)
1. a coal water slurry pressurized gasifier jacket cooling type process burner, it is characterised in that: include burner body, be positioned at burning
The gas access of mouth body upper end, it is positioned at the nozzle component of burner lower end and is looped around the cooling water folder outside burner body
Set, burner body includes central oxygen passage, water-coal-slurry passage and the outer epoxy passage that coaxial line sets gradually from inside to outside, described
Gas access includes central oxygen entrance, water-coal-slurry entrance and outer epoxy entrance, and central oxygen entrance, water-coal-slurry entrance and outer epoxy enter
Mouth is connected with central oxygen passage, water-coal-slurry passage and outer epoxy passage respectively, and described cooling water jecket includes cooling down water inner chamber
With cooling water exocoel, cooling water inner chamber with cooling water exocoel bottom communicate, between separated by dividing plate, cool down water inner space cold
But water inlet, cooling water exocoel connection coolant outlet；Described nozzle component includes central oxygen shower nozzle, water-coal-slurry shower nozzle and outer shroud
Oxygen shower nozzle, central oxygen shower nozzle end face and outer epoxy nozzle end face are at a distance of 4 ± 0.5mm, water-coal-slurry shower nozzle end face and outer epoxy shower nozzle
End face is at a distance of 1 ± 0.5mm, and the end of cooling water jecket is wrapped in the outside of outer epoxy shower nozzle.
Coal water slurry pressurized gasifier jacket cooling type process burner the most according to claim 1, it is characterised in that: described work
Skill burner is exterior mixing pre-film burner.
Coal water slurry pressurized gasifier jacket cooling type process burner the most according to claim 1, it is characterised in that: outer epoxy
Passage and outer epoxy shower nozzle are made up of hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730847.4A CN106147875A (en) | 2016-08-26 | 2016-08-26 | A kind of coal water slurry pressurized gasifier jacket cooling type process burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730847.4A CN106147875A (en) | 2016-08-26 | 2016-08-26 | A kind of coal water slurry pressurized gasifier jacket cooling type process burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106147875A true CN106147875A (en) | 2016-11-23 |
Family
ID=57342812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730847.4A Pending CN106147875A (en) | 2016-08-26 | 2016-08-26 | A kind of coal water slurry pressurized gasifier jacket cooling type process burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106147875A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090314A (en) * | 2017-07-06 | 2017-08-25 | 华东理工大学 | The cooling means and cooling system of gasification burner tip |
| CN108485714A (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 water-cooling wall |
| CN114854452A (en) * | 2021-02-04 | 2022-08-05 | 清华大学 | Water-cooling jacket of coal gasification burner and gasifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132038A (en) * | 2015-09-30 | 2015-12-09 | 西安航天源动力工程有限公司 | Improved water coal slurry process nozzle |
| CN205024176U (en) * | 2015-09-30 | 2016-02-10 | 西安航天源动力工程有限公司 | Coal slurry process burner |
| CN206173276U (en) * | 2016-08-26 | 2017-05-17 | 山东兖矿国拓科技工程有限公司 | Coal slurry pressure gasification is jacket cooling formula process burner for stove |
-
2016
- 2016-08-26 CN CN201610730847.4A patent/CN106147875A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132038A (en) * | 2015-09-30 | 2015-12-09 | 西安航天源动力工程有限公司 | Improved water coal slurry process nozzle |
| CN205024176U (en) * | 2015-09-30 | 2016-02-10 | 西安航天源动力工程有限公司 | Coal slurry process burner |
| CN206173276U (en) * | 2016-08-26 | 2017-05-17 | 山东兖矿国拓科技工程有限公司 | Coal slurry pressure gasification is jacket cooling formula process burner for stove |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108485714A (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 water-cooling wall |
| CN108485714B (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 water-cooled wall |
| CN114854452A (en) * | 2021-02-04 | 2022-08-05 | 清华大学 | Water-cooling jacket of coal gasification burner and gasifier |
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| CB02 | Change of applicant information |
Address after: 273500 No. 439 Mingjianxi Road, Zoucheng City, Jining City, Shandong Province Applicant after: SHANDONG YANKUANG GUOTUO TECHNOLOGY ENGINEERING CO.,LTD. Applicant after: YANKUANG GROUP Co.,Ltd. Address before: 273500 No. 439 Mingjianxi Road, Zoucheng City, Jining City, Shandong Province Applicant before: SHANDONG YANCON GUOTUO SCIENCE & ENGINEERING Co.,Ltd. Applicant before: YANKUANG GROUP Co.,Ltd. |
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Effective date of registration: 20190814 Address after: 273500 Dongtan Road, Zoucheng City, Jining City, Shandong Province, 519 Applicant after: SHANDONG YANKUANG GUOTUO TECHNOLOGY ENGINEERING CO.,LTD. Applicant after: YANKUANG GROUP Co.,Ltd. Applicant after: Shandong Yankuang Coal Chemical Overhaul Co.,Ltd. Address before: 273500 No. 439 Mingjianxi Road, Zoucheng City, Jining City, Shandong Province Applicant before: SHANDONG YANKUANG GUOTUO TECHNOLOGY ENGINEERING CO.,LTD. Applicant before: YANKUANG GROUP Co.,Ltd. |
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Application publication date: 20161123 |
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