CN202392795U - Gasification furnace burner used for asphalt gasification - Google Patents
Gasification furnace burner used for asphalt gasification Download PDFInfo
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- CN202392795U CN202392795U CN2011205254735U CN201120525473U CN202392795U CN 202392795 U CN202392795 U CN 202392795U CN 2011205254735 U CN2011205254735 U CN 2011205254735U CN 201120525473 U CN201120525473 U CN 201120525473U CN 202392795 U CN202392795 U CN 202392795U
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- gasification furnace
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Abstract
The utility model discloses a gasification furnace burner used for asphalt gasification. The burner is divided into a plurality of channels by a plurality of concentric and coaxial spraying pipes, the innermost layer is a central channel, and the burner includes two asphalt channels and one cooling water channel. The central channel, an oxidant channel, the asphalt channel A, a steam channel, the asphalt channel B and the cooling water channel are sequentially arranged from inside to outside. The gasification furnace burner for deoiled asphalt has the advantages of simple structure, long service life, good atomization effect, high gasification efficiency and large load adjusting range, and meanwhile can be used in special occasions for treating oily sewage of an oil refinery.
Description
Technical field
The utility model relates to a kind of gasification combustor, particularly a kind of gasification furnace burner that is used for asphalt gasification.
Background technology
In the de-oiled asphalt gasifying process, gasification combustor is a key equipment.The atomizing effect of burner directly influences temperature field and the service life of lining in the efficiency of carbon con version, gasification furnace.Because de-oiled asphalt belongs to highly viscous fluid, atomization process is quite serious to the wearing and tearing of burner; Aromatic hydrocarbon, asphalitine and gum level are very high in the component, and the easy coking in burner outlet place causes the burner high temperature scaling loss, reduce the stability of atomizing.Therefore must guarantee good atomization, wearability and the anti-coking property of de-oiled asphalt gasification combustor.
Present domestic de-oiled asphalt gasification combustor mainly improves development by the residual oil gasification burner; Introduced a kind of multicenter combustor that is used for asphalt gasification in the Chinese invention patent 200910046118.7; Special arrangement through passage; Guaranteeing under the situation that process conditions require the service life of having improved gasification combustor, the safe and stable operation of assurance burner.But such operation of combustors load adjustability is less; The burning of central passage Device in Gas does not have flame holder, and combustion stability is poor, causes flame elongated, causes the interior refractory brick of gasification furnace seriously to ablate, and has shortened the service life of gasification furnace; " black area " of artificial design to a certain degree guaranteeing nozzle-end, but flame is longer, the gasification imperfection, and carbon residue content is high, and content of effective is lower.Seeing that the limitation of the above-mentioned multichannel gasification combustor of prior art; Influenced further developing of asphalt gasification; Urgent for this reason hope is made improvement to the existing multicenter combustor of asphalt gasification; Provide a kind of performance more excellent asphalt gasification burner, to promote the technological progress of asphalt gasification technology.
The utility model content
The utility model provides a kind of controlled gasification furnace burner that is used for asphalt gasification of loading, and has long service life, atomizing effect is good and the gasification efficiency advantages of higher, the gasification installation of the wide variation that is specially adapted to load.
In order to achieve the above object; The technical scheme that the utility model adopted is: a kind of gasification furnace burner that is used for asphalt gasification; This burner is separated into some passages by the jet pipe of several concentric co-axial; Innermost layer is a central passage, and this burner includes two pitch passages and a cooling-water duct.Said passage is respectively central passage, oxidant channel, pitch passage A, steam channel, pitch channel B and cooling-water duct from inside to outside.
The quality of de-oiled asphalt gasification technology depends primarily on the characteristic of gasification, and combustion, and burner and gasification body of heater matching properties.The de-oiled asphalt gasification is a kind of partial combustion oxidation reaction; By the combustion zone reaction energy is provided; Gasification reaction is carried out in gasification zone at high temperature; Chemical reaction velocity is exceedingly fast, thus whole gasification mainly by atomizing mixed process control, and atomizing mixed process is to be determined by nozzle characteristic fully.
The utility model is through being provided with two de-oiled asphalt passages, thereby can improve the disposal ability of nozzle greatly, and can reach the purpose of regulating load significantly until closing one of them through the unlatching extent of regulating the pitch passage; Two de-oiled asphalt passages make fuel form certain thickness asphalt membrane at the spout place, receive the suction concussion fragmentation of the gasifying agent of its relative high-speed motion in both sides immediately, improve the atomization of nozzle effectively, improve the utilization rate and effective gas H of carbon
2Productive rate with CO; The eddy flow speed that cyclone improves gasifying agent is set, the atomizing angle of raising and optimized combustion device, thereby the atomizing mixed effect of raising burner, the utilization rate of raising carbon and effective gas H in the passage of gasifying agent
2With the productive rate of CO, can shorten the length of combustion flame effectively after cyclone is set simultaneously, thereby play the effect of protection gasification furnace lining, prolong the life-span of gasification furnace; In addition; The utility model is participated in gasification reaction through draw demineralized water, recycle-water or oil-polluted water at the cooling-water duct of burner; Absorb a large amount of heats burner that adequately protects in shower nozzle end vaporization, prolong the life-span of burner, outermost layer injects cooling water; The outer low-temperature protection layer that forms in the gasification zone, protection gasification furnace lining; Pass through to select the made of Wear-resistant, high-temperature resistant simultaneously, thus the service life of improving burner greatly.
A kind of gasification furnace burner that is used for asphalt gasification of the utility model, central passage is the Device in Gas passage, plays steady flame and energy is provided for gasification; Oxygen, steam and water as gasifying agent get into burner through oxidant channel, steam channel and cooling-water duct respectively.
A kind of gasification furnace burner that is used for asphalt gasification of the utility model, it is further characterized in that: static cyclone is installed in oxygen and cooling-water duct, improves the atomizing mixed effect and the flame forms of gasification combustor; De-oiled asphalt can get into burner by pitch passage A and pitch channel B.Regulate the mixed proportion and the effluxvelocity of gasifying agent and de-oiled asphalt, can change the shape of flame, close or open corresponding pitch passage, can regulate load significantly.Inject demineralized water, recycle-water or oil-polluted water at outer ring channel, the vaporization heat absorption burns out nozzle as the cooling system of burner to avoid high temperature.Jet pipe mainly is made up of conduit and shower nozzle two parts, the two through mechanical engagement after affixed again forming.Burner couples together the jet pipe of a plurality of different sizes through flange, and is simple in structure, makes easy for installation.
The utility model de-oiled asphalt gasification combustor is simple in structure, and long service life, atomizing effect is good, gasification efficiency is high and load regulation range is big, can handle the oil plant oil-polluted water in the specific occasion simultaneously.
1. load regulation range is big
The utility model outside in the high velocity vapor passage is provided with two pitch passages respectively; Improve the disposal ability of nozzle; And can reach the purpose of regulating load significantly through regulating the big or small of pitch passage unlatching or closing, be convenient to the adjusting of flame forms simultaneously.
2. channel layout is reasonable
The utility model is respectively central passage, oxidant channel, pitch passage A, steam channel, pitch channel B and cooling-water duct from the inside to the outside by six passages.Device in Gas fully contacts in the flame inboard with oxygen, and the static cyclone by flame holder and oxygen channel forms short and thick flame, for gasification reaction provides energy, stablizes gasification; The pitch passage is positioned at the steam channel both sides, is convenient to pitch and heats up, and high velocity vapor has been strengthened the impact grinding of asphalt film in the exit simultaneously, and atomizing effect is better; Cooling-water duct is in outermost, and water vapor absorbs the high temperature of gasification furnace flame zone, thereby has avoided localized hyperthermia to burn out burner, under specific situation, can also handle the oil-polluted water of oil plant simultaneously.
3. perfect in shape and function
The utility model is through being provided with cooling-water duct at the outermost layer passage; Water absorption outside heat is vaporizated into steam and participates in gasification reaction; Played the effect of cooling; Protected the safety of burner with the gasification inner lining of furnace, can also change the injection oil-polluted water under the specific situation, effect is remarkable aspect energy-saving and emission-reduction.
4. atomizing good mixing effect
At oxygen and cooling-water duct the atomizing angle that static cyclone improves burner is set, thereby improves the atomizing mixed effect of burner, improve utilization rate and effective gas H of carbon
2With the productive rate of CO, can shorten the length of combustion flame effectively after cyclone is set simultaneously, thereby play the effect of protection gasification furnace liner, prolonged the life-span of gasification furnace.
Description of drawings
Fig. 1 is the utility model longitudinal profile structural representation;
Fig. 2 is the local structure for amplifying sketch map of shower nozzle among Fig. 1.
Reference numeral shown in the figure 1 is a central passage, and 2 is oxidant channel, and 3 is pitch passage A, and 4 is steam channel, and 5 is the pitch channel B, and 6 is cooling-water duct, and 7 is static cyclone, and 8 is flame holder.
The specific embodiment
Further specify the specific embodiment of the utility model vapor distributor below in conjunction with accompanying drawing.
The utility model is used for oil plant de-oiled asphalt gasification furnace, and fuel and gasifying agent inject gasification furnace by different level according to gasification property.In above-mentioned de-oiled asphalt gasification combustor, central passage 1 is an ignition channel, in this passage ignitor is set, and is used for the gasification furnace igniting, feeds the oil plant Device in Gas and lights a fire, and continues to provide energy for gasifying, and guarantees the stability of gasification; In the central passage front portion flame holder 8 is set, improves flame forms, form short and thick flame, protection gasification furnace lining plays steady flame effect in the asphalt gasification process; The passage that is close to is an oxidant channel 2, and this passage is an oxidant channel, and static cyclone 7 is set in its front portion, further plays steady flame effect, strengthens the even mixing in the flow field simultaneously; Be provided with steam channel 4 in the middle of 3 pitch passage A and the 5 pitch channel B; The jet pipe that forms steam channel 4 is shorter than two lateral jet pipes; Like this in the exit asphalt film of thickness can with the premixed of high speed water steam, guarantee the pitch muzzle velocity at OK range, strengthen the pitch atomizing; The burner outermost is provided with cooling-water duct 6; Cooling water is through absorbing the heat of gasification furnace; Be vaporizated into steam and participate in gasification reaction, on the one hand burner is played the cooling protection effect, can handle oil-polluted water through improving on the other hand; Make full use of the oil-polluted water of oil plant, practice thrift the sewage from oil refinery disposal cost; In the front portion of cooling-water duct 6 static cyclone 7 is set, cooling water pumps into from the back annular space of burner, absorbs heat, and carburation by evaporation gets into the outside, gasification zone through eddy flow, strengthens even flow field and mixes, protection gasification furnace lining.
Central passage 1 is made up of straight tube, and flame holder 8 is set, and does not need to shrink; The front end of other passage shrinks gradually, its contraction edge the formed outer half-angle that shrinks of online and straight tube extended line be that angle designs according to concrete technological parameter, probably at 15～75 °; Bolt pad between the jet pipe of composition passage connects, and easy disassembly in order to guarantee the concentricity of each jet pipe, can be provided with accurately machined flange respectively in the outside of each jet pipe according to fit dimension.Static cyclone 7 can be the axial screw slot type, also can be axial rotary vane type, and according to the jet pipe size, kink is installed in the passage; Jet pipe, flame holder and the cyclone material of forming passage can be stainless steel, can also be the Incone1600 exotic material, but easily-worn position is prone to adopt carbine abrasion-proof to inlay.
What feed in the oxidant channel 2 can be air or oxygen content greater than 21% oxygen enrichment or oxygen content greater than 99% pure oxygen, requires to decide according to gasifying process.Fuel also can be used heavy oil, residual oil, rock page or leaf oil and other industrial waste except de-oiled asphalt.Gasifying agent is 30～300m/s in the speed of nozzle exit, and fuel is 0.1～2m/s in the speed of nozzle exit, and the ratio of carbon amount is 0.5～2Nm in oxygen and the fuel
3/ kg, burner should be operated under 0.1～1.5MPa.
Claims (7)
1. gasification furnace burner that is used for asphalt gasification, this burner is separated into some passages by the jet pipe of several concentric co-axial, and innermost layer is a central passage, it is characterized in that: said burner includes two pitch passages and a cooling-water duct.
2. a kind of gasification furnace burner according to claim 1 is characterized in that: said burner is respectively central passage, oxidant channel, pitch passage A, steam channel, pitch channel B and cooling-water duct from inside to outside.
3. a kind of gasification furnace burner according to claim 2 is characterized in that: be provided with static cyclone in the said oxygen channel.
4. according to claim 2 or 3 described a kind of gasification furnace burners, it is characterized in that: be provided with static cyclone in the said cooling-water duct.
5. a kind of gasification furnace burner according to claim 2 is characterized in that: said oxidant channel, pitch passage A, steam channel, pitch channel B and cooling-water duct front end are provided with the outlet of gradually closing.
6. a kind of gasification furnace burner according to claim 1 is characterized in that: said central passage front portion is provided with flame holder.
7. a kind of gasification furnace burner according to claim 1 is characterized in that: said two pitch passages can be regulated opening degree, close until one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254735U CN202392795U (en) | 2011-12-06 | 2011-12-06 | Gasification furnace burner used for asphalt gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254735U CN202392795U (en) | 2011-12-06 | 2011-12-06 | Gasification furnace burner used for asphalt gasification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202392795U true CN202392795U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205254735U Expired - Lifetime CN202392795U (en) | 2011-12-06 | 2011-12-06 | Gasification furnace burner used for asphalt gasification |
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| Country | Link |
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| CN (1) | CN202392795U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738139A (en) * | 2016-02-06 | 2016-07-06 | 中国科学院工程热物理研究所 | Combustor and combustion testing method |
| CN107033971A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Multichannel combination burner and coal slurry gasifier for coal slurry gasifier |
| CN107654998A (en) * | 2016-07-25 | 2018-02-02 | 神华集团有限责任公司 | Burner and gasification furnace |
| CN110003957A (en) * | 2019-04-12 | 2019-07-12 | 科林未来能源技术(北京)有限公司 | A kind of process burner for airflow bed gasification furnace |
| CN111676064A (en) * | 2020-06-03 | 2020-09-18 | 清华大学 | Coal gasification burner and gasification furnace thereof |
| CN112852493A (en) * | 2019-11-28 | 2021-05-28 | 华东理工大学 | Method and equipment for preparing synthesis gas by gasifying hard asphalt powder |
-
2011
- 2011-12-06 CN CN2011205254735U patent/CN202392795U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033971A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Multichannel combination burner and coal slurry gasifier for coal slurry gasifier |
| CN107033971B (en) * | 2016-02-04 | 2021-01-08 | 清华大学 | Multi-channel combined burner for coal water slurry gasification furnace and coal water slurry gasification furnace |
| CN105738139A (en) * | 2016-02-06 | 2016-07-06 | 中国科学院工程热物理研究所 | Combustor and combustion testing method |
| CN107654998A (en) * | 2016-07-25 | 2018-02-02 | 神华集团有限责任公司 | Burner and gasification furnace |
| CN107654998B (en) * | 2016-07-25 | 2019-11-08 | 神华集团有限责任公司 | Burner and gasification furnace |
| CN110003957A (en) * | 2019-04-12 | 2019-07-12 | 科林未来能源技术(北京)有限公司 | A kind of process burner for airflow bed gasification furnace |
| CN112852493A (en) * | 2019-11-28 | 2021-05-28 | 华东理工大学 | Method and equipment for preparing synthesis gas by gasifying hard asphalt powder |
| CN111676064A (en) * | 2020-06-03 | 2020-09-18 | 清华大学 | Coal gasification burner and gasification furnace thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: Sinopec Corp. Co-patentee after: Sinopec Guangzhou Engineering Co., Ltd. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: Sinopec Corp. Co-patentee before: Guangzhou Zhongyuan Petroleum and Chemical Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |