CN202881205U - Multi-pipeline combined-type gasification nozzle - Google Patents
Multi-pipeline combined-type gasification nozzle Download PDFInfo
- Publication number
- CN202881205U CN202881205U CN 201220627454 CN201220627454U CN202881205U CN 202881205 U CN202881205 U CN 202881205U CN 201220627454 CN201220627454 CN 201220627454 CN 201220627454 U CN201220627454 U CN 201220627454U CN 202881205 U CN202881205 U CN 202881205U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- conveying conduit
- chamber
- buffer air
- reaction
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a multi-pipeline combined-type gasification nozzle which comprises a shell, a reaction chamber, a feeding hole, a gas intake pipe, a material conveying duct and a buffering gas chamber, wherein a gas-material mixing area below a discharging hole and a gas exhaust gap outlet of the material conveying duct is a reacting region. The multi-pipeline combined-type gasification nozzle is remarkably characterized in that a feeding bin is arranged below the feeding hole, the side surface of the feeding bin is shaped as a circular ring, a flow divider is arranged at the central axis of the circular ring, a conical feeding hopper is arranged at the periphery of the flow divider, and the outlet at the lower end of the conical feeding hopper is communicated with the inlet at the upper end of the conveying duct; and a bend is arranged at the middle-upper part of the material conveying duct, an acceleration gas cylinder is arranged at the bend, a cooling chamber is arranged below the acceleration gas cylinder, and a combustor is arranged on the shell. The multi-pipeline combined-type gasification nozzle has the beneficial effects that large-scale large-batch production is easily achieved by virtue of adoption of a multi-pipeline structure; favorable reaction conditions are created for gas-material reaction, in particular hydrogasification reaction of coal due to arrangement of the acceleration gas chamber, the cooling chamber and a combustion chamber; and production of products with high added values is facilitated, and pipeline blockage can be effectively avoided.
Description
Technical field
The utility model relates to the gasification nozzle field, relates in particular to the large multi-pipeline combined gasifying nozzle for the treatment of capacity in a kind of gasifying process production.
Background technology
Gasification of coal refers to utilize under certain temperature, the pressure vaporized chemical that coal is carried out thermochemistry processing, organic matter transformation in the coal is become the process of coal gas, normally take coal or coal tar as raw material, with oxygen, air, water vapour or hydrogen etc. as vaporized chemical, by chemical reaction the C in coal or the coal tar, H are changed into the process that cleans synthesis gas or fuel gas under hot conditions, its gasification base type comprises the hydrogasification of autothermal steam gasification, external-heat steam gasification, coal and the combination of above-mentioned gasification type.
Wherein, the hydrogasification process of coal refers to issue the chemical that biochemical reaction generates the high heating value gas such as methane, carbon monoxide and has high added value in the excess hydrogen high ambient conditions, such as BTX, PCX etc., the temperature range of chemical reaction is 800 ~ 1500 ℃.
Entrained flow gasification is a kind of cocurrent flow type gasification, when adopting the entrained flow gasification mode to gasify, the coal fine particle enters in the reaction chamber through special nozzle in vapourizing furnace, can occur in the reaction process that moment catches fire or direct flame reaction, reaction process is under the insufficient condition of oxygen, the gasification reaction of therefore its pyrolysis, burning and heat absorption, almost be to occur simultaneously, motion along with air-flow, unreacted vaporized chemical, volatiles and products of combustion wrapped folder the motion of coal tar particle high speed, carry out the gasification reaction of Coal Char Particles in the moving process.This reaction process is equivalent in the fluidization technique field " gas delivery " of solid particulate is called entrained flow gasification traditionally.
Air flow bed hydrogasification process is different from common gasification, usually at first realize in the reaction process between high-temperature hydrogen and the coal dust fast, evenly mix, this point is most important for the methane content and the lightweight high added value chemical products that improve in the hydrogasification product, secondly thereby raw material coal dust can not be heated too early and can not contact too early high-temperature hydrogen and avoid pyrolytic reaction occuring too early and blocking pipeline, hot environment in the common reaction process is provided by high-temperature hydrogen again, needs before the reaction the high-temperature hydrogen preheating.In the actual production, usually adopt special nozzle as reaction carriers in order to satisfy above-mentioned requirements.
Chinese patent literature application notification number CN 102260534A discloses a kind of gelatin liquefaction and dry pulverized coal combined vaporizing nozzle and application, and its gasification nozzle comprises coal liquefaction residue pipe, steam loop, oxygen endless tube, dry pulverized coal endless tube, water-cooled endless tube and coal liquefaction residue and vapor mixing chamber.Adopt the nozzle of this structure can realize the low-volatility fuel of the thickness such as the heavy oil of the coal liquefaction residue of melting, high-temperature liquid state and residual oil and the combined vaporizing of dried coal powder, but be difficult to satisfy the condition such as high temperature, rapid reaction in the hydrogasification.
American documentation literature application notification number US4323538A discloses a kind of hydrogenation unit (Hydrogenation apparatus), its nozzle arrangements is shown in Fig. 4-5, this device is fixing by top panel 156 and lower panel 160, center culvert 154 is provided with coal dust and sprays into pipe, lower panel 160 is provided with the pipeline 166 that is 90 ° of angle circular distribution, high-temperature hydrogen enters air chamber from pipeline 164, enter the coal dust collisional mixing reaction of output in reaction zone and the center culvert 154 by the pipeline 166 that is conducted with air chamber, pipeline 166 medullary rays and center culvert 154 axis angles are 30 ° and can guarantee best mixed effect again.Adopt this kind mode can effectively realize short mix and the reaction of high-temperature hydrogen and reaction material, but the nozzle of this structure is only suitable for small serial production, can't realize fully mixing of coal dust and high-temperature hydrogen as said structure being amplified rear portion can't be participated in reaction and center culvert 154 away from center culvert 154 high-temperature hydrogen because flow is excessive.In addition, this structure is not enough to the cooling of coal dust, and the coal pipe latch up phenomenon easily occurs.
American documentation literature application notification number US2006242907A1 discloses a kind of gasifying furnace nozzle (Gasifier injector), its nozzle arrangements as shown in Figure 6, this device chief component member is two step fluid distribution means 22, multichannel arm 26, vaporized chemical inlet pipe 66, nozzle panel 30 and gasification agent nozzle 34 form, the coal dust main fluid enters multichannel arm 26 after shunting through two step part flow arrangements 22, enter reaction chamber from 30 derivation of nozzle front panel, vaporized chemical inlet pipe 66 enters in the gasification nozzle system chamber, gasification agent nozzle 34 from the front panel enters reaction chamber again, react with coal dust, wherein vaporized chemical is hydrogen, the gases such as oxygen.Adopt this kind mode owing to adopt multi-pipeline, be fit to produce in enormous quantities, but owing to the restriction of two step part flow arrangements 22 with multichannel arm 26 junctions, cause multichannel arm 26 to be syphon shape, be difficult to process easy obstruction.This nozzle belongs to a kind of universal nozzle in addition, is difficult to satisfy hydrogen high temperature in the hydrogasification, the characteristics such as coal dust low temperature and rapid reaction.
In sum, have in the said nozzle that can't to satisfy batch production or satisfied batch production equipment too complicated and be difficult to satisfy abundant, quick, the mixed uniformly defective of gas material in the hydrogasification.In addition, also there is the in advance preheating that is difficult to satisfy hydrogen in said nozzle, also is difficult to avoid the defectives such as premature reaction of coal dust.
Summary of the invention
Existing gas material is difficult to abundant mixing in the said apparatus in order to overcome; high-temperature reacting gas need increase auxiliary temperature raising device; can't satisfy the defectives such as low-cost production in enormous quantities; technical problem to be solved in the utility model provides a kind of simple and compact for structure; easily accomplish scale production, the good and gas material of gas material reaction environment mixes rapidly and uniformly gasification nozzle.
For reaching this purpose, the utility model by the following technical solutions:
A kind of multi-pipeline combined gasifying nozzle, the conveying conduit that comprises shell, reaction chamber, opening for feed, inlet pipe, is conducted with opening for feed, the buffer air chamber that is conducted with inlet pipe, described reaction chamber is located at the buffer air chamber below, be provided with front panel between two Room, front panel is provided with the gap of giving vent to anger, described conveying conduit passes buffer air chamber and reaction chamber is conducted, and conveying conduit discharge port is reaction zone with the gas material mixing zone of the outlet below, gap of giving vent to anger, and reaction zone is arranged in reaction chamber;
In order to solve the production in enormous quantities problem, described opening for feed and feed-pipe are conducted, its below is provided with feeding warehouse, the feeding warehouse top is semisphere, the side is annular, and place, annulus axis is provided with splitter, and splitter is arranged with charging cone bucket outward, end entrance is conducted on the lower end outlet of charging cone bucket and the conveying conduit, forms a plurality of conveying passages;
In order to provide the sound response environment to the reaction gas material, place, described conveying conduit middle and upper part is provided with a bending, bending below conveying conduit diameter is greater than bending top conveying conduit diameter, the bending place is provided with the acceleration air chamber, accelerate the air chamber below and be provided with cooling room, cooling room is positioned on the buffer air chamber, wherein, accelerate air chamber and be used for improving the solid mixed stream flow state of dense phase gas, the line clogging phenomenon of minimizing because putting up a bridge between solid coal powder particle, reuniting and cause, cooling room prevents from occuring too early pyrolytic reaction for reducing material temperature;
In order to generate high-temperature hydrogen, described buffer air chamber outer side wall is provided with the combustion chamber, and the outside, combustion chamber is provided with burner, and burner and inlet pipe are conducted.
Further, described buffer air chamber is annular, and the buffer air chamber outer side wall is provided with the combustion chamber, and buffer air chamber and combustion chamber internal cavities are conducted, and buffer air chamber and combustion chamber internal surface are provided with thermal insulation layer.
Further, be provided with the interlayer exterior panel between described buffer air chamber and the conveying conduit and between buffer air chamber and the cooling room, leave the gap between interlayer exterior panel and the conveying conduit, gap and cooling room conducting, cooling room and middle part, gap are provided with the interlayer dividing plate, the interlayer dividing plate outside is water entry, and the inboard is backwater channel.
Further, the interlayer exterior panel is tubular between described buffer air chamber and the conveying conduit, and the conveying conduit is wrapped among the tubular interlayer exterior panel.
Further, the interlayer exterior panel that is positioned at conveying conduit discharge port periphery is truncated cone-shaped, truncated cone-shaped interlayer exterior panel insert on the front panel with the suitable round platform hole of truncated cone-shaped interlayer exterior panel in, leave annular space between truncated cone-shaped interlayer exterior panel and the round platform hole, angle β between annular space bus and the conveying conduit axis is 30 °, and truncated cone-shaped interlayer exterior panel lower surface and front panel lower surface are in the same level face.
Further, described acceleration air chamber top is provided with top panel, accelerates to be provided with the interlayer cover plate between air chamber and the cooling room, accelerates gas chamber sidewall and is provided with air inlet port, is in the inner conveying conduit bending of acceleration air chamber and is provided with the acceleration pore.
Further, external port place, described combustion chamber is provided with flange, is fixed with end cap on the flange, and the end cap center is provided with burner, and a burner part embeds in the combustion chamber.
Further, described burner is made of hydrogen nozzle and oxygen jet, and 90 ° of bending places of hydrogen nozzle are provided with the increase lumen, and oxygen jet inserts in the hydrogen nozzle in increasing the lumen outer side, the increase lumen port that is positioned at inside, combustion chamber is provided with inner bending, and angle of throat θ is 30 ° in the bending.
Further, the conveying conduit of described charging cone bucket and with it conducting is around the circumferential rounded distribution of splitter, and it is conical that splitter is, and conical apex angle α is 10 °～40 °.
Further, described combustion chamber has 4, and the combustion chamber is 90 ° of angle circular distribution around buffer air chamber place shell cylindrical surface peripheral.
The beneficial effects of the utility model are: this nozzle adopts splitter multi-pipeline structure; easily realize the mass-producing production in enormous quantities; this nozzle is provided with and accelerates air chamber, cooling room and combustion chamber is the reaction of gas material; especially good reaction conditions has been created in the hydrogasification of coal reaction, is beneficial to the generation that generates the high added value product and can effectively prevent the line clogging phenomenon.
Description of drawings
Fig. 1 is the front view of a kind of multi-pipeline combined gasifying nozzle of providing of the utility model embodiment;
Fig. 2 is the vertical view of a kind of multi-pipeline combined gasifying nozzle AA section of providing of the utility model embodiment;
Fig. 3 is the structure iron of the local B of a kind of multi-pipeline combined gasifying nozzle that provides of the utility model embodiment;
Fig. 4 is the front view that american documentation literature application notification number US4323538A discloses a kind of hydrogenation unit (Hydrogenation apparatus);
Fig. 5 is that american documentation literature application notification number US4323538A discloses a kind of hydrogenation unit (Hydrogenation apparatus)
8-
8The upward view of section;
Fig. 6 is the structural representation that american documentation literature application notification number US2006242907A1 discloses a kind of gasifying furnace nozzle (Gasifier injector).
Among the figure: 1, feed-pipe; 2, splitter; 3, accelerate pore; 4, fine coal; 5, shell; 6, air inlet port; 7, interlayer cover plate; 8, interlayer dividing plate; 9, interlayer exterior panel; 10, thermal insulation layer; 11, annular space; 12, front panel; 13, conveying conduit; 14, reaction chamber; 15, feeding warehouse; 16, burner; 17, buffer air chamber; 18, oxygen jet; 19, hydrogen nozzle; 20, charging cone bucket; 21, top panel; 23, truncated cone-shaped interlayer outer wall; 22, two step fluid distribution means; 26, multichannel arm; 30, nozzle panel; 34, gasification agent nozzle; 66, vaporized chemical inlet pipe; 154, center culvert; 156, top panel; 160, lower panel; 164, pipeline; 166, pipeline.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1-the 3rd, the structural representation of a kind of multi-pipeline combined gasifying nozzle that the utility model embodiment provides.
A kind of multi-pipeline combined gasifying nozzle, the conveying conduit 13 that comprises shell 5, reaction chamber 14, opening for feed, inlet pipe, is conducted with opening for feed, the buffer air chamber 17 that is conducted with inlet pipe.-shell roughly is the top and is circular right cylinder, and hereinafter the inboard of same member refers near right cylinder central shaft side, and the outside refers to away from right cylinder central shaft side, in addition, circumferentially only for cylindrical structure, i.e. circumferential direction.Described reaction chamber 14 is located at buffer air chamber 17 belows, be provided with front panel 12 between two Room, front panel 12 is provided with the gap of giving vent to anger, the gap of giving vent to anger is annular space 11, described conveying conduit 13 passes buffer air chamber 17 and is conducted with reaction chamber 14, conveying conduit 13 discharge ports are reaction zone with the gas material mixing zone of the outlet below, gap of giving vent to anger, and reaction zone is arranged in reaction chamber 14.The below is illustrated with the hydrogasification of the coal characteristic to present embodiment.
Described opening for feed and feed-pipe 1 are conducted, its below is provided with feeding warehouse 15, coal dust 4 enters feeding warehouse 15 in close mode of carrying mutually through feed-pipe 1 by gas, feeding warehouse 15 tops are semisphere, the side is annular, place, annulus axis is provided with splitter 2, the splitter 2 outer charging cone buckets 20 that are arranged with, end entrance is conducted on the 20 lower ends outlet of charging cone bucket and the conveying conduit 13, charging cone bucket 20 can be welded as a whole with conveying conduit 13 in the actual production, also direct global formation, the conveying conduit 13 of charging cone bucket 20 and with it conducting is around splitter 2 circumferential rounded distributions.The number of splitter 2 is determined according to treatment capacity, normally distributes 8 around its peripheral circle centered by splitter 2, and it is conical that splitter 2 is, and conical apex angle α is chosen to be 10 °～40 ° according to the gas-solid flow bulk properties.Coal dust 4 enters feeding warehouse 15 from opening for feed after, under the effect that is in splitter 2 on cylindrical housings 5 axis, be dispensed to uniformly in the charging cone bucket 20.Adopt this structure to be fit to scale operation, improve output.
Place, conveying conduit 13 middle and upper parts is provided with a bending, bending below conveying conduit 13 diameters are greater than bending top conveying conduit 13 diameters, the diameter increase is beneficial to coal dust smoothly by conveying conduit 13, the bending place is provided with the acceleration air chamber, described acceleration air chamber top is provided with top panel 21, accelerates to be provided with interlayer cover plate 7 between air chamber and the cooling room, accelerates gas chamber sidewall and is provided with air inlet port 6, be in inner conveying conduit 13 bendings of acceleration air chamber and be provided with acceleration pore 3, the number of openings is 4-8.Accelerating gas enters in the acceleration air chamber by air inlet port 6, form high pressure, so that the acceleration pore 3 place's gas flow rates in 13 bendings of conveying conduit are accelerated, the flow direction of this gas flow and coal dust is consistent, be conducive to improve the solid mixed stream flow state of dense phase gas, reduce the generation of conveying conduit 13 latch up phenomenons that cause because putting up a bridge between solid coal powder particle, reuniting.
Accelerate the air chamber below and be provided with cooling room, cooling room is positioned on the buffer air chamber 17, be provided with interlayer exterior panel 9 between buffer air chamber 17 and the conveying conduit 13 and between buffer air chamber 17 and the cooling room, interlayer exterior panel 9 is tubular between buffer air chamber 17 and the conveying conduit 13, conveying conduit 13 is wrapped among the tubular interlayer exterior panel 9, interlayer exterior panel 9 is used for buffer air chamber 17 and conveying conduit 13 and cooling room are separated, leave the gap between interlayer exterior panel 9 and the conveying conduit 13, gap and cooling room conducting, cooling room and middle part, gap are provided with interlayer dividing plate 8, interlayer dividing plate 8 is used for interlayer exterior panel 9, the separated by spaces that conveying conduit 13 and cooling room consist of forms outside water entry and inboard backwater channel, guarantee coolant flow to consistence, constantly take away the heat on conveying conduit 13 tube walls, thereby reach the purpose to fine coal 4 coolings, prevent that the reactant that fine coal 4 premature reactions produce is bonded on conveying conduit 13 tube walls, block conveying conduit 13, in addition, refrigerant can be water coolant, also can be other cooling fluid or cooling gas.
Described buffer air chamber 17 is annular, buffer air chamber 17 outer side walls are provided with the combustion chamber, buffer air chamber 17 is conducted with the combustion chamber internal cavities, buffer air chamber 17 and combustion chamber internal surface are provided with thermal insulation layer 10, thermal insulation layer 10 is used for the heat of the high-temperature hydrogen of maintenance buffer air chamber 17 and inside, combustion chamber, prevent that heat runs off, between buffer air chamber 17 and conveying conduit 13 and buffer air chamber 17 and cooling room, form thermal insulation layer simultaneously, prevent that the high-temperature hydrogen transfer of heat is to water coolant and coal dust.The combustion chamber has 4, and the combustion chamber is 90 ° of angle circular distribution around buffer air chamber 17 place's shells 5 cylindrical surface peripherals.External port place, combustion chamber is provided with flange, is fixed with end cap on the flange, and the end cap center is provided with burner 16, and burner 16 parts embed in the combustion chamber.Burner 16 is made of hydrogen nozzle 19 and oxygen jet 18, nozzle adopts high temperature alloy usually, such as Incoloy 800 alloys, 90 ° of bending places of hydrogen nozzle 19 are provided with the increase lumen, oxygen jet 18 inserts in the hydrogen nozzle in increasing the lumen outer side, consist of concentric tube, the increase lumen port that is positioned at inside, combustion chamber is provided with inner bending, angle of throat θ is 30 °～45 ° in the bending, the hydrogen that hydrogen nozzle 19 increases in the lumen sprays to the combustion chamber through the round taper hole that is bent to form, in round taper hole combustion chamber slightly at a distance, burn with the oxygen mix of oxygen jet 18 ejections, part combustion of hydrogen is heated to 800 ° of C～1400 ° C with remaining hydrogen, oxygen almost burns totally, and the temperature of hydrogen is by the add-on control of oxygen.In addition, in order to guarantee the continuing of hydrogen and oxygen, stable burning, hydrogen needed to be preheated to more than the hydrogen self-ignition point before entering burner 16, and normally 450 ° of C～550 ° C become with reaction pressure, and this warm can adopt the mode such as electrically heated to realize.
The interlayer exterior panel 9 that is positioned at conveying conduit 13 discharge port peripheries is truncated cone-shaped, truncated cone-shaped interlayer exterior panel 23 insert on the front panels 12 with the suitable round platform hole of truncated cone-shaped interlayer exterior panel 23 in, leave annular space 11 between truncated cone-shaped interlayer exterior panel 23 and the round platform hole, angle β between annular space 11 buses and conveying conduit 13 axis is 30 °, and truncated cone-shaped interlayer exterior panel 23 lower surfaces and front panel 12 lower surfaces are in the same level face.High-temperature hydrogen enters the reaction chamber 14 from buffer air chamber 17 by annular space 11, mixes with coal dust 4 Quick uniforms of discharge port ejection slightly at a distance at conveying conduit 13 discharge ports, finishes the hydrogasification reaction of coal.
In addition, adopt this tuyere arrangement can be by adjusting conveying conduit 13 coal outputs, the factors optimization matchmakers' such as logical hydrogen amount, oxygen-supply quantity and refrigerant refrigeration hydrogenation reaction envrionment conditions in large-scale industrial production, not only guaranteed stable transformation efficiency and the productive rate that carries out but also can the Effective Raise coal of gasification.
During actual the use, select particle diameter be the following coal dust 4 of 200 orders as feed coal, feed coal passes through H
2, N
2, CO
2Import in the feeding warehouse 15 through feed-pipe 1 in close mode of carrying mutually Deng gas, enter in the conveying conduit 13 after the distributional effects of the splitter 2 by feeding warehouse 15 centers, in coal dust 4 downward course of conveying, first through accelerating air chamber, accelerate air chamber and import hydrogen or rare gas element N by air inlet port 6
2, CO
2After coal dust 4 accelerated, enter cooling room, by flow in the cooling room consistent refrigerant to coal dust lower the temperature process after by the discharge port ejection of conveying conduit 13, enter reaction zone.Meanwhile, combustion reactions occurs in hydrogen and a certain amount of oxygen by after the electricradiator heating that import in the burner in the combustion chamber, the pre-hot hydrogen of heating residue forms high-temperature hydrogen, high-temperature hydrogen enters in the buffer air chamber 17, annular space 11 through the buffer air chamber below enters reaction zone, in the reaction zone after coal dust 4 and the even short mix of high-temperature hydrogen, the coal hydrogenation gasification reaction occurs generate light gas and other high added value resultants such as methane, carbon monoxide.
Below only with embodiment the utility model is illustrated, but the utility model is not limited to above-mentioned size and outward appearance illustration, more should not consist of any restriction of the present utility model.As long as any improvement or modification that the utility model is done all belong within the protection domain of the utility model claim opinion.
Claims (10)
1. multi-pipeline combined gasifying nozzle, comprise shell (5), reaction chamber (14), opening for feed, inlet pipe, the conveying conduit (13) that is conducted with opening for feed, the buffer air chamber (17) that is conducted with inlet pipe, described reaction chamber (14) is located at buffer air chamber (17) below, be provided with front panel (12) between two Room, front panel (12) is provided with the gap of giving vent to anger, described conveying conduit (13) passes buffer air chamber (17) and is conducted with reaction chamber (14), conveying conduit (13) discharge port is reaction zone with the gas material mixing zone of the outlet below, gap of giving vent to anger, reaction zone is arranged in reaction chamber (14), it is characterized in that:
Described opening for feed and feed-pipe (1) are conducted, its below is provided with feeding warehouse (15), feeding warehouse (15) top is semisphere, the side is annular, place, annulus axis is provided with splitter (2), the outer charging cone bucket (20) that is arranged with of splitter (2), (20) lower end outlet of charging cone bucket is conducted with the upper end entrance of conveying conduit (13);
Place, described conveying conduit (13) middle and upper part is provided with a bending, bending below conveying conduit (13) diameter is greater than bending top conveying conduit (13) diameter, the bending place is provided with the acceleration air chamber, accelerates the air chamber below and is provided with cooling room, and cooling room is positioned on the buffer air chamber (17).
2. a kind of multi-pipeline combined gasifying nozzle according to claim 1, it is characterized in that, be provided with interlayer exterior panel (9) between described buffer air chamber (17) and the conveying conduit (13) and between buffer air chamber (17) and the cooling room, leave the gap between interlayer exterior panel (9) and the conveying conduit (13), gap and cooling room conducting, cooling room and middle part, gap are provided with interlayer dividing plate (8), and interlayer dividing plate (8) outside is water entry, and the inboard is backwater channel.
3. a kind of multi-pipeline combined gasifying nozzle according to claim 2, it is characterized in that, interlayer exterior panel (9) is tubular between described buffer air chamber (17) and the conveying conduit (13), and conveying conduit (13) is wrapped among the tubular interlayer exterior panel (9).
4. according to claim 1 and 2 or 3 described a kind of multi-pipeline combined gasifying nozzles, it is characterized in that, the interlayer exterior panel (9) that is positioned at conveying conduit (13) discharge port periphery is truncated cone-shaped, truncated cone-shaped interlayer exterior panel (23) inserts in the round platform hole that front panel (12) is upper and truncated cone-shaped interlayer exterior panel (23) is suitable, leave annular space (11) between truncated cone-shaped interlayer exterior panel (23) and the round platform hole, angle β between annular space (11) bus and conveying conduit (13) axis is 30 °, and truncated cone-shaped interlayer exterior panel (23) lower surface and front panel (12) lower surface are in the same level face.
5. a kind of multi-pipeline combined gasifying nozzle according to claim 1, it is characterized in that, described acceleration air chamber top is provided with top panel (21), accelerate to be provided with interlayer cover plate (7) between air chamber and the cooling room, accelerate gas chamber sidewall and be provided with air inlet port (6), be in the acceleration inner conveying conduit of air chamber (13) bending and be provided with acceleration pore (3).
6. a kind of multi-pipeline combined gasifying nozzle according to claim 1, it is characterized in that, described buffer air chamber (17) is annular, buffer air chamber (17) outer side wall is provided with the combustion chamber, buffer air chamber (17) is conducted with the combustion chamber internal cavities, and buffer air chamber (17) and combustion chamber internal surface are provided with thermal insulation layer (10).
7. according to claim 1 or 6 described a kind of multi-pipeline combined gasifying nozzles, it is characterized in that external port place, described combustion chamber is provided with flange, is fixed with end cap on the flange, the end cap center is provided with burner (16), and burner (a 16) part embeds in the combustion chamber.
8. a kind of multi-pipeline combined gasifying nozzle according to claim 7, it is characterized in that, described burner (16) is made of hydrogen nozzle (19) and oxygen jet (18), (19) 90 ° of bending places of hydrogen nozzle are provided with the increase lumen, oxygen jet (18) inserts in the hydrogen nozzle in increasing the lumen outer side, the increase lumen port that is positioned at inside, combustion chamber is provided with inner bending, and angle of throat θ is 30 ° in the bending.
9. a kind of multi-pipeline combined gasifying nozzle according to claim 1, it is characterized in that, the conveying conduit (13) of described charging cone bucket (20) and with it conducting is around the circumferential rounded distribution of splitter (2), and it is conical that splitter (2) is, and conical apex angle α is 10 °～40 °.
10. a kind of multi-pipeline combined gasifying nozzle according to claim 1 is characterized in that described combustion chamber has 4, and the combustion chamber is located shell (5) cylindrical surface peripheral around buffer air chamber (17) and is 90 ° of angle circular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627454 CN202881205U (en) | 2012-11-23 | 2012-11-23 | Multi-pipeline combined-type gasification nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627454 CN202881205U (en) | 2012-11-23 | 2012-11-23 | Multi-pipeline combined-type gasification nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202881205U true CN202881205U (en) | 2013-04-17 |
Family
ID=48072651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220627454 Expired - Lifetime CN202881205U (en) | 2012-11-23 | 2012-11-23 | Multi-pipeline combined-type gasification nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202881205U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946292A (en) * | 2015-06-08 | 2015-09-30 | 中美新能源技术研发（山西）有限公司 | Novel reactor for making oil through powdered coal hydropyrolysis and technology |
| CN105733686A (en) * | 2016-05-05 | 2016-07-06 | 神华集团有限责任公司 | Ring-type impact gasifier |
| CN106635172A (en) * | 2015-11-04 | 2017-05-10 | 神华集团有限责任公司 | Jet assembly, multi-burner gasifier and feeding system thereof |
| CN109207203A (en) * | 2017-06-30 | 2019-01-15 | 神华集团有限责任公司 | Gasification furnace and its feeding device, burner and solid fuel dispenser |
| CN109797008A (en) * | 2017-11-17 | 2019-05-24 | 神华集团有限责任公司 | Nozzle and gasification furnace with the nozzle |
| CN111286366A (en) * | 2018-12-07 | 2020-06-16 | 中国科学院工程热物理研究所 | Multi-channel nozzle and reactor |
-
2012
- 2012-11-23 CN CN 201220627454 patent/CN202881205U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946292A (en) * | 2015-06-08 | 2015-09-30 | 中美新能源技术研发（山西）有限公司 | Novel reactor for making oil through powdered coal hydropyrolysis and technology |
| CN106635172A (en) * | 2015-11-04 | 2017-05-10 | 神华集团有限责任公司 | Jet assembly, multi-burner gasifier and feeding system thereof |
| CN105733686A (en) * | 2016-05-05 | 2016-07-06 | 神华集团有限责任公司 | Ring-type impact gasifier |
| CN105733686B (en) * | 2016-05-05 | 2019-04-02 | 神华集团有限责任公司 | Ring type collision type gasification furnace |
| CN109207203A (en) * | 2017-06-30 | 2019-01-15 | 神华集团有限责任公司 | Gasification furnace and its feeding device, burner and solid fuel dispenser |
| CN109207203B (en) * | 2017-06-30 | 2020-07-31 | 神华集团有限责任公司 | Gasification furnace and feeding device, burner and solid fuel distributor thereof |
| CN109797008A (en) * | 2017-11-17 | 2019-05-24 | 神华集团有限责任公司 | Nozzle and gasification furnace with the nozzle |
| CN109797008B (en) * | 2017-11-17 | 2020-10-27 | 神华集团有限责任公司 | Nozzle and gasification furnace with same |
| CN111286366A (en) * | 2018-12-07 | 2020-06-16 | 中国科学院工程热物理研究所 | Multi-channel nozzle and reactor |
| CN111286366B (en) * | 2018-12-07 | 2021-08-13 | 中国科学院工程热物理研究所 | Multi-channel nozzle and reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202881205U (en) | Multi-pipeline combined-type gasification nozzle | |
| AU2010204468B2 (en) | Method and apparatus to produce synthetic gas | |
| CN101707893B (en) | Air heater | |
| CN101985568B (en) | Two-stage oxygen supply dry slag removal pressurized gas flow bed gasification furnace | |
| CN104277881B (en) | Dry-process deslagging fluidized bed gasification reaction device | |
| CN103502400B (en) | Enhanced plasma gasifiers for producing syngas | |
| CN104312634B (en) | A kind of combined type Hot oxygen nozzle and its application | |
| CN102268300B (en) | Coal liquefaction residue and coal water slurry combined gasification nozzle and application thereof | |
| CN104629807A (en) | Chilling process gasifier with high-temperature heat recovery unit | |
| CN104498103A (en) | Compound circulating fluidized bed gasification reaction device | |
| CN102260534B (en) | Coal liquefied residue and dry coal powder combined gasifying nozzle and application thereof | |
| CN204162666U (en) | A kind of dry cinder discharging fluidized-bed gasification reaction unit | |
| CN105441137B (en) | Gasification reactor | |
| CN102517088B (en) | Novel gasification furnace of pressurized aerated bed | |
| CN204455026U (en) | Combined type circulating fluidized-bed gasification reaction unit | |
| CN204417437U (en) | A kind of novel biomass substep gasification installation | |
| CN208562256U (en) | A kind of fluidized bed air-distribution device | |
| CN105694981B (en) | A kind of gasifying furnace nozzle and gasification furnace | |
| WO2013150008A1 (en) | A burner for the gasification of a solid fuel | |
| CN203960148U (en) | A kind of airflow bed gasification furnace | |
| CN202107675U (en) | Coal liquefaction residue and coal water slurry combined gasification nozzle | |
| CN103409170B (en) | Slag blockage preventing gasification reactor with graded carbonaceous fuel feeding | |
| CN210856013U (en) | Novel low-calorific-value slurry fuel gasification furnace | |
| CN202116516U (en) | Jet for combination gasification of coal liquefaction slag and dry coal powder | |
| CN202107521U (en) | Gasification nozzle of coal liquefaction slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |