CN204151305U - Half Waste heat boiler-type gasifier - Google Patents
Half Waste heat boiler-type gasifier Download PDFInfo
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- CN204151305U CN204151305U CN201420330252.6U CN201420330252U CN204151305U CN 204151305 U CN204151305 U CN 204151305U CN 201420330252 U CN201420330252 U CN 201420330252U CN 204151305 U CN204151305 U CN 204151305U
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- cooling room
- combustion chamber
- waste heat
- heat boiler
- heater
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- 239000002918 waste heat Substances 0.000 title claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 110
- 239000003245 coal Substances 0.000 claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 238000005422 blasting Methods 0.000 claims description 6
- 239000013535 sea water Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 claims description 3
- 238000002309 gasification Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003818 cinder Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
Classifications
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- 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
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Abstract
The utility model discloses a kind of half Waste heat boiler-type gasifier, comprising: body of heater, there is in body of heater combustion chamber, useless pot cooling room and be positioned at useless pot cooling room and shock chamber.Be provided with cooling room pipe in useless pot cooling room, limit radiant cooling room in cooling room pipe, limit between cooling room pipe outer wall and the inwall of body of heater around radiant cooling room, be provided with syngas outlet around radiant cooling room top; Top main jet, top main jet is located at the center on the top of body of heater, and top main jet is used for from the top of combustion chamber to uperize, dried coal powder or coal water slurry, oxygen in combustion chamber, go into operation combustion-supporting gas and inflammable gas; With upper secondary nozzle, upper secondary nozzle is located at the top of body of heater, for from the top of combustion chamber to uperize, dried coal powder or coal water slurry and oxygen in combustion chamber.Have according to half Waste heat boiler-type gasifier of the present utility model that thermo-efficiency is higher, efficiency of carbon conversion is high, gasification efficiency advantages of higher.
Description
Technical field
The utility model relates to coalification Poly-generation gasification technology, and especially the gasification of ammonia from coal, coal preparing natural gas etc., relates more specifically to a kind of half Waste heat boiler-type gasifier.
Background technology
The vapourizing furnace of traditional multi-nozzle structure has two types: the first type arranges multiple nozzle in the bottom of the straight length of vapourizing furnace, gas is up, lime-ash is descending along furnace wall, such vapourizing furnace, system flow is long, useless Cooker structure is complicated, the cost of equipment is high, easily occurs that cinder notch blocks when coal fluctuation is large in operational process; The second type arranges multiple nozzle on the top of the straight length of vapourizing furnace, and gas is descending, lime-ash is descending along furnace wall, and such vapourizing furnace mostly is chilling process technique, when coal fluctuation is large in operational process, also easily occurs that cinder notch blocks.In addition, the body of heater of traditional vapourizing furnace mostly is firebrick structure, and coal adaptability is poor, the coal of the high ash melting point that can not gasify.
And, for the coalification Poly-generation gasification technology of current ammonia from coal etc., the chilling process technique that many employings are single or pot destroying process technique, cause the dustiness in the calorific loss in large portion or high-temperature synthesis gas high after latent heat Quench in high-temperature synthesis gas, cause the thermo-efficiency of whole system low or serious to equipment attrition.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of half Waste heat boiler-type gasifier, the gasification efficiency that described half Waste heat boiler-type gasifier can improve, efficiency of carbon conversion, synthetic gas dust removal efficiency and system thermal efficiency.
According to half Waste heat boiler-type gasifier of the present utility model, comprise: body of heater, in described body of heater, there is combustion chamber, the shock chamber being positioned at the useless pot cooling room below described combustion chamber and being positioned at below described useless pot cooling room, the bottom of described shock chamber forms sea water bath, the top of described useless pot cooling room is communicated with the bottom of described combustion chamber, the bottom of described useless pot cooling room is communicated with the upper end of described shock chamber, cooling room pipe is provided with in described useless pot cooling room, radiant cooling room is limited in described cooling room pipe, limit around radiant cooling room between described cooling room pipe outer wall and the inwall of described body of heater, describedly be provided with syngas outlet around radiant cooling room top, bottom, described shock chamber is provided with lime-ash outlet, top main jet, described top main jet is located at the center on the top of described body of heater, be provided with lighter for ignition and flame detector in the main jet of described top, described top main jet is used for from the top of described combustion chamber to uperize, dried coal powder or coal water slurry, oxygen in described combustion chamber, go into operation combustion-supporting gas and inflammable gas, with upper secondary nozzle, described upper secondary nozzle is located at the top of described body of heater, for from the top of described combustion chamber to uperize, dried coal powder or coal water slurry and oxygen in described combustion chamber.
According to half Waste heat boiler-type gasifier of the present utility model, by arranging useless pot cooling room and the shock chamber of series connection, latent heat in high-temperature synthesis gas can reclaim heat by useless pot cooling room heat exchange, thus the latent heat of high-temperature gas can be reclaimed fully, can be cooled by shock chamber again, wash, be humidified high-temperature synthesis gas, namely can improve heat recovery and utilization efficiency, can reduce again synthetic gas dustiness few, improve synthetic gas water-gas ratio.When half Waste heat boiler-type gasifier is used for the project such as ammonia from coal, can make that system thermal efficiency is higher, synthetic gas dustiness less, synthetic gas water-gas ratio is higher.
And, by arranging top main jet and upper secondary nozzle, the disturbance of the high-temperature gas in half Waste heat boiler-type gasifier can be increased, thus dried coal powder or coal water slurry and vaporized chemical (such as oxygen, combustion-supporting gas, inflammable gas, steam etc.) can be made to mix more even, improve transformation efficiency, add the gas forming amount of the dried coal powder of unit mass or coal water slurry, improve the rate of decomposition of effective gas output and steam.Wherein, in dried coal powder or coal water slurry, charcoal percent conversion can reach more than 99.5%, can improve gasification efficiency significantly.
In addition, not only can regulate the load of half Waste heat boiler-type gasifier by arranging top main jet and upper secondary nozzle more easily, and can double Waste heat boiler-type gasifier carry out amplifying (volume namely improving half Waste heat boiler-type gasifier) more easily.Therefore, have that thermo-efficiency is higher, efficiency of carbon conversion is high, gasification efficiency is high, dustiness is few according to half Waste heat boiler-type gasifier of the utility model embodiment, water-gas ratio is convenient to regulate, be convenient to regulate the advantages such as load.
In addition, half above-mentioned according to the utility model Waste heat boiler-type gasifier can also have following additional technical characteristic:
According to an embodiment of the present utility model, the upcast being provided with chilling ring, downtake in described shock chamber and being set in outside described downtake, the upper end of described downtake is connected with described chilling ring, the lower end of described upcast and described downtake is inserted in described sea water bath, the inner chamber of described downtake is communicated with described useless pot cooling room, and the first annular space between described downtake with described upcast and the second annular space between described upcast with described body of heater are all communicated with around radiant cooling room with described.
According to an embodiment of the present utility model, described cooling room pipe, upcast and described downtake are formed by membrane wall.
According to an embodiment of the present utility model, described top main jet is for first set tubular construction and limit the first vapo(u)r blasting passage for spraying described steam, for spraying the dried coal powder of described trunk fine coal or coal water slurry and described main oxygen or coal water slurry and oxygen spray passage and for the combustion-supporting gas of go into operation described in spraying combustion-supporting gas and described inflammable gas and inflammable gas passage.
According to an embodiment of the present utility model, described upper secondary nozzle be the second sleeve structure and limit the second vapo(u)r blasting passage for spraying described steam, for spray described oxygen oxygen spray passage and for the dried coal powder that sprays described dried coal powder or coal water slurry or coal water slurry injection channel.
According to an embodiment of the present utility model, described upper secondary nozzle is multiple and is uniformly distributed around described top main jet.
According to an embodiment of the present utility model, the angle of each central axis of described upper secondary nozzle and the central axis of described body of heater is less than 45 degree.
According to an embodiment of the present utility model, described body of heater comprises furnace shell, described furnace shell is divided into combustion chamber shell, useless pot cooling room shell and shock chamber's shell, the combustion chamber cooling jacket limiting described combustion chamber is provided with in described combustion chamber shell, the inwall of described useless pot cooling room shell is provided with membrane wall, and described combustion chamber cooling jacket is made up of membrane wall.
According to an embodiment of the present utility model, be provided with the first cooling jacket be made up of membrane wall in the open top of described combustion chamber, the junction of described combustion chamber and described useless pot cooling room is provided with the second cooling jacket be made up of membrane wall.
According to an embodiment of the present utility model; the end of described combustion chamber cooling jacket, described useless pot cooling room shell is respectively equipped with flange, and described body of heater is provided with four temperature detection mouths for detecting the temperature in described combustion chamber and for protecting two of gas to protect gas entrance to passing between described furnace shell and described combustion chamber cooling jacket.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of half Waste heat boiler-type gasifier according to the utility model embodiment.
Reference numeral
Half Waste heat boiler-type gasifier 10,
Body of heater 100, combustion chamber 110,
Useless pot cooling room 120, radiant cooling room 121, around radiant cooling room 122, syngas outlet 1221,
Shock chamber 130, chilling ring 131, downtake 132, upcast 133,
Shock chamber's shell 134, first annular space 136, second annular space 137,
Furnace shell 140, combustion chamber cooling jacket 150,
Useless pot cooling room shell 160, cooling room pipe 161,
First cooling jacket 171, second cooling jacket 172,
Temperature detection mouth 180, protection gas entrance 190,
Top main jet 200, upper secondary nozzle 300.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " shoulder ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below with reference to Fig. 1, half Waste heat boiler-type gasifier 10 according to the utility model embodiment is described.As shown in Figure 1, body of heater 100, top main jet 200 and upper secondary nozzle 300 is comprised according to half Waste heat boiler-type gasifier 10 of the utility model embodiment.
Specifically, the shock chamber 130 that there is in body of heater 100 superposed combustion chamber 110, be positioned at the useless pot cooling room 120 below combustion chamber 110 and be positioned at below useless pot cooling room 120.The bottom of shock chamber 130 forms sea water bath.The top of useless pot cooling room 120 is communicated with the bottom of combustion chamber 110, and the bottom of useless pot cooling room 120 is communicated with the upper end of shock chamber 130.The cooling room pipe 161 limiting useless pot cooling room 120 is provided with in body of heater 100, radiant cooling room 121 is limited in cooling room pipe 120, limit between the inwall of cooling room pipe 120 outer wall and body of heater 100 around radiant cooling room 122, be provided with syngas outlet 1221 around radiant cooling room 122 top, bottom, shock chamber 130 is provided with lime-ash outlet (scheming not shown).In an example of the present utility model, cooling room pipe 161 can be made up of membrane wall.In other words, useless pot cooling room 120 comprises radiant cooling room 121 and around radiant cooling room 122, the top of radiant cooling room 121 is communicated with the bottom of combustion chamber 110, and the bottom of radiant cooling room 121 is communicated with shock chamber 130.
Top main jet 200 is located at the center on the top of body of heater 100, top main jet 200 for from the top of combustion chamber 110 to uperize, dried coal powder or coal water slurry, oxygen in combustion chamber 110, go into operation combustion-supporting gas and inflammable gas, is provided with lighter for ignition (scheming not shown) and flame detector (scheming not shown) in top main jet 200.Upper secondary nozzle 300 is located at the top of body of heater 100, is positioned at around top main jet 200, for from the top of combustion chamber 110 to uperize, oxygen and dried coal powder or coal water slurry in combustion chamber 110.
According to half Waste heat boiler-type gasifier 10 of the utility model embodiment, by arranging useless pot cooling room 120 and the shock chamber 130 of series connection, latent heat in high-temperature synthesis gas can reclaim heat by useless pot cooling room 120 heat exchange, thus the latent heat of high-temperature gas can be reclaimed fully, can be cooled by shock chamber 130 again, wash, be humidified high-temperature synthesis gas, namely can improve heat recovery and utilization efficiency, can reduce again synthetic gas dustiness few, improve synthetic gas water-gas ratio.When half Waste heat boiler-type gasifier 10 is for projects such as coal high concentration COs, can makes that system thermal efficiency is higher, synthetic gas dustiness is less, synthetic gas water-gas ratio is higher.
And, according to half Waste heat boiler-type gasifier 10 of the utility model embodiment, by arranging top main jet 200 and upper secondary nozzle 300, the disturbance of the high-temperature gas in half Waste heat boiler-type gasifier 10 can be increased, thus dried coal powder or coal water slurry and vaporized chemical (such as oxygen, combustion-supporting gas, inflammable gas, steam etc.) can be made to mix more even, improve transformation efficiency, add the gas forming amount of the dried coal powder of unit mass or coal water slurry, improve the rate of decomposition of effective gas output and steam.Wherein, in dried coal powder or coal water slurry, charcoal percent conversion can reach more than 99.5%, can improve gasification efficiency significantly.
In addition, by arranging top main jet 200 and upper secondary nozzle 300, not only can regulate the load of half Waste heat boiler-type gasifier 10 more easily, and can double Waste heat boiler-type gasifier 10 carry out amplifying (volume namely improving half Waste heat boiler-type gasifier 10) more easily.Therefore, have that thermo-efficiency is higher, efficiency of carbon conversion is high, gasification efficiency is high, dustiness is few according to half Waste heat boiler-type gasifier 10 of the utility model embodiment, water-gas ratio is convenient to regulate, be convenient to regulate the advantages such as load.
In example as shown in Figure 1, for reducing the level fluctuation in shock chamber 130, the upcast 133 being provided with chilling ring 131, downtake 132 in shock chamber 130 and being set in outside downtake 132.Chilling ring 131 is between useless pot cooling room 120 and downtake 132, and the upper end of downtake 132 is connected with chilling ring 131.The bottom of downtake 132 and upcast 133 is all unlimited, the open top of upcast 133 and flushing with the top of downtake 132, the lower end of upcast 133 and downtake 132 is all inserted in sea water bath, the inner chamber of downtake 132 is communicated with useless pot cooling room 120, and the first annular space 136 between downtake 132 with upcast 133 and the second annular space 137 between upcast 133 with body of heater 100 all with around radiant cooling room 122 are communicated with.In an example of the present utility model, upcast and downtake all can be made up of membrane wall.
As shown in Figure 1, in embodiments more of the present utility model, top main jet 200 can be first set tubular construction, and first set tubular construction can limit the first vapo(u)r blasting passage for spraying described steam, for spraying the dried coal powder of described dried coal powder or coal water slurry and described main oxygen or coal water slurry and main oxygen injection channel and for the combustion-supporting gas of go into operation described in spraying combustion-supporting gas and the described inflammable gas that goes into operation and inflammable gas passage.The structure of half Waste heat boiler-type gasifier 10 can be made thus more reasonable, the transformation efficiency of carbon content in coal can be improved further.
Upper secondary nozzle 300 can be the second sleeve structure, the second sleeve structure can limit for uperize the second vapo(u)r blasting passage, for spray oxygen oxygen spray passage and for the dried coal powder that sprays dried coal powder or coal water slurry or coal water slurry injection channel.The structure of half Waste heat boiler-type gasifier 10 can be made thus more reasonable, increase the disturbance of the high-temperature gas in half Waste heat boiler-type gasifier 10 further, thus charcoal percent conversion in dried coal powder can be improved further.
In examples more of the present utility model, upper secondary nozzle 300 can be multiple and be uniformly distributed around top main jet 200.Dried coal powder or coal water slurry can be made thus, oxygen, combustion-supporting gas, inflammable gas, it is more even that steam etc. mix, improve the percussion flow in combustion chamber 110, the fine coal flowing produced by percussion flow and flow field structure be conducive to dried coal powder or coal water slurry atomization and with the contacting of vaporized chemical, enhance steam, the mixed effect of oxygen and dried coal powder or coal water slurry, improve Mass and heat transfer speed, extend the mean residence time of dried coal powder or coal water slurry particle, thus further increase charcoal percent conversion in dried coal powder or coal water slurry, reduce further the residual carbon content in lime-ash, further increase the gas forming amount of unit mass dried coal powder or coal water slurry, improve the rate of decomposition of effective gas output and steam.
In addition, by arranging multiple upper secondary nozzle 300, the load width-adjustable ability of half Waste heat boiler-type gasifier 10 can also be improved further, greatly improve the throughput of half Waste heat boiler-type gasifier 10.
Particularly, the angle of the central axis of each upper secondary nozzle 300 and the central axis of body of heater 100 is less than 45 degree.Not only can improve the mixed effect of dried coal powder or coal water slurry, oxygen, combustion-supporting gas, inflammable gas, steam etc. thus further, and the space availability ratio of combustion chamber 110 can be improved.
As shown in Figure 1, in examples more of the present utility model, body of heater 100 comprises furnace shell 140.Specifically, furnace shell 140 can be divided into combustion chamber shell, useless pot cooling room shell 160 and shock chamber's shell 134.Be provided with the combustion chamber cooling jacket 150 limiting combustion chamber 110 in combustion chamber shell, combustion chamber cooling jacket 150 can be made up of membrane wall.Cooling room pipe 161 can be provided with in useless pot cooling room shell 160, radiant cooling room 121 can be limited in cooling room pipe 161, can limit around radiant cooling room 122 between cooling room pipe 161 and useless pot cooling room shell 160.Wherein, the inwall of useless pot cooling room shell 160 and shock chamber's shell 134 can be provided with membrane wall.
Thus when half Waste heat boiler-type gasifier 10 normally works; the water wall inwall of combustion chamber 110 can form flux shielding layer; this flux shielding layer can protect the water wall inwall of combustion chamber 110 not weather; avoid stress that Yin Gaowen, slag corrosion and start-stop car produce to produce the water wall inwall of combustion chamber 110 and destroy and cause half Waste heat boiler-type gasifier 10 cannot long-play, thus improve the production efficiency of half Waste heat boiler-type gasifier 10.
Such as, and form by utilizing membrane wall the adaptability that combustion chamber cooling jacket 150 can also improve half Waste heat boiler-type gasifier, 10 pairs of coals greatly, half Waste heat boiler-type gasifier 10 can gasify the coal of high ash melting point.In gasification, gas is descending, lime-ash is descending along the center of combustion chamber 110.When coal fluctuates, the slag notch of bottom, combustion chamber 110 there will not be the situation of blocking, thus substantially increases practicality and the working efficiency of half Waste heat boiler-type gasifier 10, avoids frequent parking to clean out cinder notch.
In an example of the present utility model, as shown in Figure 1, be provided with the first cooling jacket 171 be made up of membrane wall in the open top of combustion chamber 110, combustion chamber 110 is provided with the junction of useless pot cooling room 120 the second cooling jacket 172 be made up of membrane wall.Thus, can work-ing life of prolonging combustion room cooling jacket 150.That is, by arranging the first cooling jacket 171 and the second cooling jacket 172, the work-ing life of body of heater 100 can be extended.
The end of combustion chamber cooling jacket 150, useless pot cooling room shell 160 is respectively equipped with flange (scheming not shown), and body of heater 100 is provided with four temperature detection mouths 180 for detecting the temperature in combustion chamber 110 and for protecting two of gas to protect gas entrance 190 to passing between furnace shell 140 and combustion chamber cooling jacket 150.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (10)
1. half Waste heat boiler-type gasifier, is characterized in that, comprising:
Body of heater, in described body of heater, there is combustion chamber, the shock chamber being positioned at the useless pot cooling room below described combustion chamber and being positioned at below described useless pot cooling room, the bottom of described shock chamber forms sea water bath, the top of described useless pot cooling room is communicated with the bottom of described combustion chamber, the bottom of described useless pot cooling room is communicated with the upper end of described shock chamber, cooling room pipe is provided with in described useless pot cooling room, radiant cooling room is limited in described cooling room pipe, limit around radiant cooling room between described cooling room pipe outer wall and the inwall of described body of heater, describedly be provided with syngas outlet around radiant cooling room top, bottom, described shock chamber is provided with lime-ash outlet,
Top main jet, described top main jet is located at the center on the top of described body of heater, be provided with lighter for ignition and flame detector in the main jet of described top, described top main jet is used for from the top of described combustion chamber to uperize, dried coal powder or coal water slurry, oxygen in described combustion chamber, go into operation combustion-supporting gas and inflammable gas; With
Upper secondary nozzle, described upper secondary nozzle is located at the top of described body of heater, for from the top of described combustion chamber to uperize, dried coal powder or coal water slurry and oxygen in described combustion chamber.
2. half Waste heat boiler-type gasifier according to claim 1, it is characterized in that, the upcast being provided with chilling ring, downtake in described shock chamber and being set in outside described downtake, the upper end of described downtake is connected with described chilling ring, the lower end of described upcast and described downtake is inserted in described sea water bath, the inner chamber of described downtake is communicated with described useless pot cooling room, and the first annular space between described downtake with described upcast and the second annular space between described upcast with described body of heater are all communicated with around radiant cooling room with described.
3. half Waste heat boiler-type gasifier according to claim 2, is characterized in that, described cooling room pipe, upcast and described downtake are formed by membrane wall.
4. half Waste heat boiler-type gasifier according to claim 1, it is characterized in that, described top main jet is for first set tubular construction and limit the first vapo(u)r blasting passage for spraying described steam, for spraying the dried coal powder of described trunk fine coal or coal water slurry and described main oxygen or coal water slurry and oxygen spray passage and for the combustion-supporting gas of go into operation described in spraying combustion-supporting gas and described inflammable gas and inflammable gas passage.
5. half Waste heat boiler-type gasifier according to claim 1, it is characterized in that, described upper secondary nozzle be the second sleeve structure and limit the second vapo(u)r blasting passage for spraying described steam, for spray described oxygen oxygen spray passage and for the dried coal powder that sprays described dried coal powder or coal water slurry or coal water slurry injection channel.
6. half Waste heat boiler-type gasifier according to claim 1, is characterized in that, described upper secondary nozzle is multiple and is uniformly distributed around described top main jet.
7. half Waste heat boiler-type gasifier according to claim 6, is characterized in that, the angle of each central axis of described upper secondary nozzle and the central axis of described body of heater is less than 45 degree.
8. half Waste heat boiler-type gasifier according to any one of claim 1-7, it is characterized in that, described body of heater comprises furnace shell, described furnace shell is divided into combustion chamber shell, useless pot cooling room shell and shock chamber's shell, be provided with the combustion chamber cooling jacket limiting described combustion chamber in described combustion chamber shell, described useless pot cooling room inside pipe wall is provided with membrane wall, and described combustion chamber cooling jacket is made up of membrane wall.
9. half Waste heat boiler-type gasifier according to claim 8, it is characterized in that, be provided with the first cooling jacket be made up of membrane wall in the open top of described combustion chamber, the junction of described combustion chamber and described useless pot cooling room is provided with the second cooling jacket be made up of membrane wall.
10. half Waste heat boiler-type gasifier according to claim 8; it is characterized in that; the end of described combustion chamber cooling jacket, described useless pot cooling room shell is respectively equipped with flange, and described body of heater is provided with four temperature detection mouths for detecting the temperature in described combustion chamber and for protecting two of gas to protect gas entrance to passing between described furnace shell and described combustion chamber cooling jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330252.6U CN204151305U (en) | 2014-06-19 | 2014-06-19 | Half Waste heat boiler-type gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330252.6U CN204151305U (en) | 2014-06-19 | 2014-06-19 | Half Waste heat boiler-type gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204151305U true CN204151305U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420330252.6U Expired - Lifetime CN204151305U (en) | 2014-06-19 | 2014-06-19 | Half Waste heat boiler-type gasifier |
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| CN104629807A (en) * | 2015-03-03 | 2015-05-20 | 华东理工大学 | Chilling process gasifier with high-temperature heat recovery unit |
| CN106085507A (en) * | 2016-06-02 | 2016-11-09 | 哈尔滨工业大学 | A kind of slag gasification furnace with slag-draining device |
| CN107033970A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Coal slurry gasifier |
| CN107686750A (en) * | 2016-08-05 | 2018-02-13 | 清华大学山西清洁能源研究院 | Gasification furnace |
| CN107686749A (en) * | 2016-08-05 | 2018-02-13 | 清华大学山西清洁能源研究院 | Gasification furnace |
| CN108130133A (en) * | 2018-01-02 | 2018-06-08 | 神华集团有限责任公司 | A kind of extensive half useless pot gasification installation |
| CN108342223A (en) * | 2018-03-23 | 2018-07-31 | 宁夏神耀科技有限责任公司 | A kind of useless pot ash disposal integral type dry coal powder gasification device |
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2014
- 2014-06-19 CN CN201420330252.6U patent/CN204151305U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629807A (en) * | 2015-03-03 | 2015-05-20 | 华东理工大学 | Chilling process gasifier with high-temperature heat recovery unit |
| CN107033970A (en) * | 2016-02-04 | 2017-08-11 | 清华大学煤燃烧工程研究中心 | Coal slurry gasifier |
| CN107033970B (en) * | 2016-02-04 | 2020-01-17 | 清华大学煤燃烧工程研究中心 | Water-coal slurry gasification furnace |
| CN106085507A (en) * | 2016-06-02 | 2016-11-09 | 哈尔滨工业大学 | A kind of slag gasification furnace with slag-draining device |
| CN106085507B (en) * | 2016-06-02 | 2019-01-22 | 哈尔滨工业大学 | A kind of slag gasification furnace with slag-draining device |
| CN107686750A (en) * | 2016-08-05 | 2018-02-13 | 清华大学山西清洁能源研究院 | Gasification furnace |
| CN107686749A (en) * | 2016-08-05 | 2018-02-13 | 清华大学山西清洁能源研究院 | Gasification furnace |
| CN108130133A (en) * | 2018-01-02 | 2018-06-08 | 神华集团有限责任公司 | A kind of extensive half useless pot gasification installation |
| CN108130133B (en) * | 2018-01-02 | 2024-01-23 | 神华集团有限责任公司 | Large-scale semi-waste boiler gasification device |
| CN108342223A (en) * | 2018-03-23 | 2018-07-31 | 宁夏神耀科技有限责任公司 | A kind of useless pot ash disposal integral type dry coal powder gasification device |
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