CN117070255A - Gasification furnace system - Google Patents
Gasification furnace system Download PDFInfo
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- CN117070255A CN117070255A CN202311260030.1A CN202311260030A CN117070255A CN 117070255 A CN117070255 A CN 117070255A CN 202311260030 A CN202311260030 A CN 202311260030A CN 117070255 A CN117070255 A CN 117070255A
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- combustion chamber
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- ignition
- gas
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- 238000002309 gasification Methods 0.000 title claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 96
- 238000012544 monitoring process Methods 0.000 claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000010926 purge Methods 0.000 claims description 74
- 239000000446 fuel Substances 0.000 claims description 51
- 238000004891 communication Methods 0.000 claims description 44
- 239000004449 solid propellant Substances 0.000 claims description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 16
- 230000001133 acceleration Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 84
- 230000001681 protective effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- 239000002893 slag Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present application provides a gasification furnace system, comprising: a gasifier body having a combustion chamber; the burner mechanism comprises a supporting seat and a burner part, the supporting seat is arranged on the gasifier main body, the burner part is arranged on the supporting seat and communicated with the combustion chamber, and the burner part is used for igniting raw materials in the combustion chamber; the monitoring mechanism comprises a high-pressure storage tank, an image monitoring part and a temperature monitoring part, wherein the image monitoring part and the temperature monitoring part are both arranged in the high-pressure storage tank, the high-pressure storage tank is arranged on the supporting seat, the high-pressure storage tank is communicated with the combustion chamber in an on-off mode, the image monitoring part is used for monitoring images of the inner wall surface of the combustion chamber, and the temperature monitoring part is used for monitoring the temperature in the combustion chamber; wherein, monitoring mechanism is a plurality of, and a plurality of monitoring mechanism set up around the circumference of supporting seat. By the technical scheme provided by the application, the problem of poor temperature detection effect of the gasification furnace system in the prior art can be solved.
Description
Technical Field
The application relates to the technical field of gasifier systems, in particular to a gasifier system.
Background
At present, a water-cooled wall gasifier is adopted as a combustion chamber (the combustion chamber is coated with a layer of refractory material on a fire surface): the thermal resistor or the thermal resistor is arranged on the water wall pipe or the water wall pipe back to the combustion chamber, and the water wall of the combustion chamber is coated with a layer of refractory material in normal operation, and slag with a certain thickness is hung on the refractory material, so that the actual temperature measurement indication data is far less than the actual temperature of a hearth (the actual temperature is about 1450 ℃, and the temperature measurement meter shows far less than 1000 ℃ and has no practical meaning); or through infrared principle, according to the light intensity simulation temperature, after the actual operation, because gasifier pressure, temperature are too high, adopt high pressure resistant sight glass to keep apart, and temperature measurement passageway is protected to the rear-view mirror adoption inert gas, because of high pressure resistant sight glass keeps apart the reason, influences temperature measurement greatly.
In summary, in the prior art, the problems of inaccurate detection result and poor effect exist in the temperature detection of the hearth of the traditional entrained-flow gasifier.
Disclosure of Invention
The application provides a gasifier system, which aims to solve the problem of poor temperature detection effect of the gasifier system in the prior art.
In order to solve the above problems, the present application provides a gasification furnace system comprising: a gasifier body having a combustion chamber; the burner mechanism comprises a supporting seat and a burner part, the supporting seat is arranged on the gasifier main body, the burner part is arranged on the supporting seat and communicated with the combustion chamber, and the burner part is used for igniting raw materials in the combustion chamber; the monitoring mechanism comprises a high-pressure storage tank, an image monitoring part and a temperature monitoring part, wherein the image monitoring part and the temperature monitoring part are both arranged in the high-pressure storage tank, the high-pressure storage tank is arranged on the supporting seat, the high-pressure storage tank is communicated with the combustion chamber in an on-off mode, the image monitoring part is used for monitoring images of the inner wall surface of the combustion chamber, and the temperature monitoring part is used for monitoring the temperature in the combustion chamber; wherein, monitoring mechanism is a plurality of, and a plurality of monitoring mechanism set up around the circumference of supporting seat.
Further, the monitoring mechanism further comprises a communication pipe and a protective gas purging part, one end of the communication pipe is communicated with the high-pressure storage tank, the other end of the communication pipe is communicated with the combustion chamber in an on-off mode, the cavity of the high-pressure storage tank and the communication pipe are communicated with the protective gas purging part, and the protective gas purging part is used for blowing protective gas into the cavity of the high-pressure storage tank and the communication pipe.
Further, the shielding gas sweeps the portion and includes shielding gas and sweeps pipeline and shielding gas and sweep the ring, and monitoring facilities still includes the isolation valve, and the isolation valve sets up in communicating pipe one end, and shielding gas sweeps the ring setting at the other end of communicating pipe, and communicates with the communicating pipe, and the isolation valve is used for controlling the intercommunication of communicating pipe and combustion chamber, and the cavity of high pressure storage tank, shielding gas sweep the ring all with shielding gas sweep the pipeline intercommunication, shielding gas sweep the pipeline be used for to the cavity of high pressure storage tank, shielding gas sweep the ring and blow in shielding gas.
Further, the monitoring mechanism further comprises an emptying valve, a plurality of pressure detection meters and a plurality of temperature detection meters, wherein the emptying valve is arranged at the top of the high-pressure storage tank and is used for releasing pressure in the cavity of the high-pressure storage tank, the plurality of pressure detection meters are arranged at the top of the high-pressure storage tank at intervals and are used for detecting pressure in the cavity of the high-pressure storage tank, the plurality of temperature detection meters are arranged on the side wall of the high-pressure storage tank at intervals, and the temperature detection meters are used for detecting temperature in the cavity of the high-pressure storage tank.
Further, an included angle A is formed between the communicating pipe and the bottom surface of the supporting seat, and the included angle A is more than or equal to 20 degrees and less than or equal to 60 degrees.
Further, the burner part comprises an ignition burner and a process burner, the burner mechanism further comprises an ignition pipeline, the ignition burner and the process burner are all arranged on the supporting seat, the process burner is arranged around the ignition burner, one end of the ignition burner and one end of the process burner are communicated with the combustion chamber, the other end of the ignition burner is communicated with the ignition pipeline, the ignition pipeline is used for conveying raw materials into the combustion chamber through the ignition burner, and the ignition burner and the process burner are used for igniting the raw materials in the combustion chamber.
Further, the burner part further comprises a speed-increasing blunt tip, the ignition burner is provided with an ignition gun, a fuel channel and a gas supply channel which are sequentially arranged in a surrounding mode, the fuel channel is arranged around the ignition gun, the speed-increasing blunt tip is arranged at one end of the fuel channel, which faces the combustion chamber, one end of the fuel channel and one end of the gas supply channel are communicated with the ignition pipeline, and the speed-increasing blunt tip is used for increasing the speed of the ignition pipeline entering the combustion chamber from the fuel channel.
Further, the ignition pipeline includes fuel line, air supply pipeline, air supply purge line and total accelerating pipeline, and fuel line includes solid fuel line and gas fuel pipeline, and solid fuel line, gas fuel pipeline, air supply pipeline all communicate with the ignition nozzle, and air supply purge line and air supply pipeline intercommunication, solid fuel line, air supply pipeline all communicate with total accelerating pipeline, and fuel line, air supply pipeline all are used for carrying the raw materials to the combustion chamber through the ignition nozzle, and air supply purge line is used for carrying out the purge to the air supply pipeline, and total accelerating pipeline is used for improving solid fuel pipeline, air supply pipeline to the speed of carrying the raw materials in the combustion chamber.
Further, the main accelerating pipeline comprises a solid fuel purging pipeline, an air supply accelerating pipeline, a speed regulating pipeline and a gas fuel purging pipeline, wherein one ends of the solid fuel purging pipeline and the speed regulating pipeline are communicated with the solid fuel pipeline, the other ends of the speed regulating pipeline are communicated with the solid fuel purging pipeline, the solid fuel purging pipeline is used for conveying carbon dioxide gas to the solid fuel pipeline, the speed regulating pipeline is used for regulating the carbon dioxide gas quantity entering the solid fuel pipeline, the gas fuel purging pipeline is used for conveying carbon dioxide gas to the gas fuel pipeline, the air supply accelerating pipeline is communicated with the air supply pipeline, and the air supply accelerating pipeline is used for conveying carbon dioxide gas to the air supply pipeline.
Further, the combustion chamber has a water wall in the shape of a cylindrical coil or a cylindrical standpipe.
By applying the technical scheme of the application, the application provides a gasification furnace system, which comprises: a gasifier body having a combustion chamber; the burner mechanism comprises a supporting seat and a burner part, the supporting seat is arranged on the gasifier main body, the burner part is arranged on the supporting seat and communicated with the combustion chamber, and the burner part is used for igniting raw materials in the combustion chamber; the monitoring mechanism comprises a high-pressure storage tank, an image monitoring part and a temperature monitoring part, wherein the image monitoring part and the temperature monitoring part are both arranged in the high-pressure storage tank, the high-pressure storage tank is arranged on the supporting seat, the high-pressure storage tank is communicated with the combustion chamber in an on-off mode, the image monitoring part is used for monitoring images of the inner wall surface of the combustion chamber, and the temperature monitoring part is used for monitoring the temperature in the combustion chamber; wherein, monitoring mechanism is a plurality of, and a plurality of monitoring mechanism set up around the circumference of supporting seat. By adopting the scheme, the image monitoring part can monitor the image of the inner wall surface of the combustion chamber, and the temperature monitoring part can monitor the temperature in the combustion chamber, so that the slag adhering condition of the wall surface of the combustion chamber and the temperature of the hearth of the combustion chamber can be observed in time; and the image monitoring part and the temperature monitoring part are arranged in the high-pressure storage tank, so that the image monitoring part and the temperature monitoring part can be protected, the image monitoring part and the temperature monitoring part are prevented from being interfered by the pressure of the combustion chamber during monitoring, and the problem of poor temperature detection effect of the gasification furnace system in the prior art is effectively solved. The burner part is communicated with the combustion chamber, so that the raw material in the combustion chamber can be ignited.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic diagram of a gasifier system according to an embodiment of the present application;
FIG. 2 shows a schematic view of the burner mechanism of FIG. 1;
fig. 3 shows a schematic structural diagram of the monitoring mechanism of fig. 1.
Wherein the above figures include the following reference numerals:
10. a gasification furnace main body; 11. a combustion chamber; 111. a water cooling wall;
20. a burner mechanism; 21. a support base; 22. a burner part; 221. igniting a burner; 220. igniting the gun; 2211. a fuel passage; 2212. a gas supply channel; 222. a process burner; 223. a speed-up blunt tip; 23. an ignition line; 231. a fuel line; 2311. a solid fuel line; 2312. a gaseous fuel line; 232. a gas supply line; 233. a gas supply purge line; 234. a total acceleration line; 2341. a solid fuel purge line; 2342. a gas supply acceleration line; 2343. a speed regulating pipeline; 2344. a gaseous fuel purge line;
30. a monitoring mechanism; 31. a high pressure storage tank; 33. a temperature monitoring unit; 34. a communicating pipe; 35. a shielding gas purging part; 351. a shielding gas purge line; 352. a shielding gas purge ring; 36. an isolation valve; 37. a blow-off valve; 38. a pressure detection gauge; 39. a temperature detection table.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 3, an embodiment of the present application provides a gasification furnace system including: a gasification furnace main body 10 having a combustion chamber 11; the burner mechanism 20, the burner mechanism 20 includes the supporting seat 21 and burner part 22, the supporting seat 21 is installed on the gasification furnace body 10, the burner part 22 is set up on supporting seat 21, the burner part 22 communicates with combustion chamber 11, the burner part 22 is used for igniting the raw materials in the combustion chamber 11; the monitoring mechanism 30, the monitoring mechanism 30 includes a high-pressure storage tank 31, an image monitoring part and a temperature monitoring part 33, the image monitoring part and the temperature monitoring part 33 are both arranged in the high-pressure storage tank 31, the high-pressure storage tank 31 is arranged on the supporting seat 21, the high-pressure storage tank 31 and the combustion chamber 11 are communicated on-off, the image monitoring part is used for monitoring images in the combustion chamber 11, and the temperature monitoring part 33 is used for monitoring the temperature in the combustion chamber 11; the monitoring mechanism 30 is a plurality of monitoring mechanisms 30, and the plurality of monitoring mechanisms 30 are arranged around the circumference of the supporting seat 21.
By adopting the scheme, the image monitoring part can monitor the image of the inner wall surface of the combustion chamber, and the temperature monitoring part 33 can monitor the temperature in the combustion chamber 11, so that the slag adhering condition of the wall surface of the combustion chamber 11 and the temperature of the hearth of the combustion chamber 11 can be observed in time; and the image monitoring part and the temperature monitoring part 33 are arranged in the high-pressure storage tank 31, so that the image monitoring part and the temperature monitoring part 33 can be protected, the image monitoring part and the temperature monitoring part 33 are prevented from interfering the image monitoring part and the temperature monitoring part 33 when monitoring the pressure of the combustion chamber 11, and the problem of poor temperature detection effect of the gasifier system in the prior art is effectively solved. The burner portion 22 and the combustion chamber 11 are communicated, so that the raw material in the combustion chamber 11 can be ignited.
The following description is needed: the pressure of the high-pressure tank 31 is greater than the pressure of the combustion chamber 11; the image monitoring part is a deep sea high-pressure imaging technology; the temperature monitoring unit 33 is a normal pressure high temperature imaging temperature measurement technique.
The monitoring mechanism 30 further comprises a communication pipe 34 and a shielding gas purging part 35, one end of the communication pipe 34 is communicated with the high-pressure storage tank 31, the other end of the communication pipe 34 is communicated with the combustion chamber 11 in an on-off mode, the cavity of the high-pressure storage tank 31 and the communication pipe 34 are communicated with the shielding gas purging part 35, and the shielding gas purging part 35 is used for blowing shielding gas into the cavity of the high-pressure storage tank 31 and the communication pipe 34.
A communication pipe 34 is arranged, the high-pressure storage tank 31 and the combustion chamber 11 can be communicated, and the mounting support of the image monitoring part and the temperature monitoring part 33 can enter the combustion chamber 11 through the communication pipe 34, so that the wall slag and the temperature of the combustion chamber 11 are monitored; the provision of the shielding gas purge portion 35 can blow shielding gas into the cavity of the high-pressure tank 31 and the communication pipe 34, thereby protecting the high-pressure tank 31 and the communication pipe 34.
It should be noted that: the communication pipe 34 is a nickel-based pipe; the shielding gas is an inert gas.
Further, the shielding gas purging part 35 comprises a shielding gas purging pipeline 351 and a shielding gas purging ring 352, the monitoring mechanism 30 further comprises an isolation valve 36, the isolation valve 36 is arranged at one end of the communication pipe 34, the shielding gas purging ring 352 is arranged at the other end of the communication pipe 34 and is communicated with the communication pipe 34, the isolation valve 36 is used for controlling the communication of the communication pipe 34 and the combustion chamber 11, the cavity of the high-pressure storage tank 31 and the shielding gas purging ring 352 are communicated with the shielding gas purging pipeline 351, and the shielding gas purging pipeline 351 is used for blowing shielding gas into the cavity of the high-pressure storage tank 31 and the shielding gas purging ring 352.
By adopting the arrangement mode, the protective gas purging ring 352 is arranged at the other end of the communication pipe 34, and the cavity of the high-pressure storage tank 31 and the protective gas purging ring 352 are communicated with the protective gas purging pipeline 351, so that the cavity pressure of the high-pressure storage tank 31 can be ensured to be not less than the pressure in the combustion chamber 11; the provision of the isolation valve 36 enables the communication between the communication pipe 34 and the combustion chamber 11 to be controlled as required.
After the isolation valve 36 is closed, the shielding gas purge line 351 blows shielding gas into the communication pipe 34 at the end close to the combustion chamber 11.
In this embodiment, the monitoring mechanism 30 further includes a vent valve 37, a plurality of pressure detecting gauges 38 and a plurality of temperature detecting gauges 39, the vent valve 37 is disposed at the top of the high-pressure tank 31, the vent valve 37 is used for releasing the pressure in the cavity of the high-pressure tank 31, the plurality of pressure detecting gauges 38 are disposed at the top of the high-pressure tank 31 at intervals, the pressure detecting gauges 38 are used for detecting the pressure in the cavity of the high-pressure tank 31, the plurality of temperature detecting gauges 39 are disposed on the side wall of the high-pressure tank 31 at intervals, and the temperature detecting gauges 39 are used for detecting the temperature in the cavity of the high-pressure tank 31.
A vent valve 37 is provided to enable release of pressure within the cavity of the high pressure reservoir 31; a plurality of pressure detection gauges 38 are provided to be able to detect the pressure in the cavity of the high-pressure tank 31; the temperature detection tables 39 can detect the temperature in the cavity of the high-pressure storage tank 31, so that the use safety of the high-pressure storage tank 31 is ensured.
Wherein, an included angle A is formed between the communicating pipe 34 and the bottom surface of the supporting seat 21, and A is more than or equal to 20 degrees and less than or equal to 60 degrees.
The angle a between the communication pipe 34 and the bottom surface of the support seat 21 is limited to the above-mentioned angle range, so that the mounting support of the image monitoring portion and the temperature monitoring portion 33 can be ensured to be smoothly introduced into the combustion chamber 11 through the communication pipe 34.
Specifically, the burner part 22 includes an ignition burner 221 and a process burner 222, the burner mechanism 20 further includes an ignition line 23, the ignition burner 221 and the process burner 222 are all disposed on the support base 21, the process burner 222 is disposed around the ignition burner 221, one end of the ignition burner 221 and one end of the process burner 222 are all communicated with the combustion chamber 11, the other end of the ignition burner 221 is communicated with the ignition line 23, the ignition line 23 is used for conveying raw materials into the combustion chamber 11 through the ignition burner 221, and the ignition burner 221 and the process burner 222 are used for igniting the raw materials in the combustion chamber 11.
In this way, the ignition burner 221 can first ignite the raw material, and then the ignition burner 221 and the process burner 222 can ignite the raw material in the combustion chamber 11.
The burner part 22 further includes a speed-raising blunt tip 223, the ignition burner 221 has a burning torch 220, a fuel passage 2211 and a gas supply passage 2212 which are sequentially arranged around the burning torch 220, the fuel passage 2211 is arranged around the burning torch 220, the speed-raising blunt tip 223 is arranged at one end of the fuel passage 2211 facing the combustion chamber 11, one end of the fuel passage 2211 and one end of the gas supply passage 2212 are all communicated with the ignition line 23, and the speed-raising blunt tip 223 is used for increasing the speed of the ignition line 23 entering the combustion chamber 11 from the fuel passage 2211.
In this way, the acceleration blunt 223 is arranged at the end of the fuel passage 2211 facing the combustion chamber 11, and the flow area of the raw material is reduced, so that the speed of the raw material entering the combustion chamber 11 from the fuel passage 2211 is increased, and the combustion efficiency is improved; the ignition gun 220 is provided to directly ignite the raw materials.
In the present embodiment, the ignition line 23 includes a fuel line 231, an air supply line 232, an air supply purge line 233 and a total acceleration line 234, the fuel line 231 includes a solid fuel line 2311 and a gas fuel line 2312, the solid fuel line 2311, the gas fuel line 2312 and the air supply line 232 are all communicated with the ignition burner 221, the air supply purge line 233 and the air supply line 232 are all communicated with the total acceleration line 234, the fuel line 231 and the air supply line 232 are all communicated with the ignition burner 221 to convey raw materials into the combustion chamber 11, the air supply purge line 233 is used for purging the air supply line 232, and the total acceleration line 234 is used for increasing the speed of conveying raw materials into the combustion chamber 11 by the solid fuel line 2311 and the air supply line 232.
By such arrangement, the solid fuel line 2311, the gas fuel line 2312 and the gas supply line 232 can be used to feed the raw materials into the combustion chamber 11 through the ignition burner 221, the gas supply purge line 233 can purge the gas supply line 232, and the total speed-up line 234 can increase the speed of feeding the raw materials into the combustion chamber 11 through the solid fuel line 2311, the gas fuel line 2312 and the gas supply line 232, thereby increasing the combustion efficiency.
It should be noted that: the feed from solid fuel line 2311 is primarily solid pulverized coal and the feed from gas feed line 232 is primarily oxygen + steam/CO 2 The gas entering the gas supply purge line 233 is an inert gas (nitrogen).
Optionally, the burner part 22 is designed into a nested four-ring channel structure (the actual cooling water channel is an inlet and outlet channel, a mature structure is not described in detail), and an ignition gun, a fuel gas, a pulverized coal, an oxygen, a steam and a CO are sequentially arranged from the middle to the outside 2 "and cooling water channels.
The main speed increasing pipeline 234 includes a solid fuel purge pipeline 2341, a gas supply speed increasing pipeline 2342, a speed adjusting pipeline 2343 and a gas fuel purge pipeline 2344, wherein one ends of the solid fuel purge pipeline 2341 and the speed adjusting pipeline 2343 are respectively communicated with the solid fuel pipeline 2311, the other end of the speed adjusting pipeline 2343 is communicated with the solid fuel purge pipeline 2341, the solid fuel purge pipeline 2341 is used for conveying carbon dioxide gas to the solid fuel pipeline 2311, the speed adjusting pipeline 2343 is used for adjusting the carbon dioxide gas quantity entering the solid fuel pipeline 2311, the gas fuel purge pipeline 2344 is used for conveying carbon dioxide gas to the gas fuel pipeline 2312, the gas supply speed increasing pipeline 2342 is communicated with the gas supply pipeline 232, and the gas supply speed increasing pipeline 2342 is used for conveying carbon dioxide gas to the gas supply pipeline 232.
So configured, the solid fuel purge line 2341 is capable of delivering carbon dioxide gas to the solid fuel line 2311, thereby increasing the delivery rate of the solid fuel line 2311; the gaseous fuel purge line 2344 is capable of delivering carbon dioxide gas to the gaseous fuel line 2312, thereby increasing the delivery rate of the gaseous fuel line 2312; the gas supply acceleration line 2342 is capable of delivering carbon dioxide gas to the gas supply line 232, thereby increasing the delivery rate of the gas supply line 232; the provision of the speed regulating line 2343 can regulate the amount of carbon dioxide gas entering the fuel line 231 as needed, preventing the flame from being pressed, affecting the service life of the spot nozzle 22.
Specifically, the combustion chamber 11 has a water wall 111, and the water wall 111 is in the shape of a cylindrical coil or a cylindrical standpipe.
By adopting the arrangement mode, the inner wall of the combustion chamber 11 is arranged into the cylindrical coil pipe water-cooling wall 111 or the cylindrical vertical pipe water-cooling wall 111, a layer of ramming material (silicon carbide) is coated on the water-cooling wall 111, the effects of high-temperature scouring wear resistance and the like are achieved, the reaction temperature in the combustion chamber 11 is controlled in the normal operation period, namely, the viscosity of slag is controlled to be within a certain range, a layer of solid slag is adhered on the ramming material of the water-cooling wall 111, the slag-resisting effect is achieved, the safe and stable operation of a gasification furnace main body and the service life of the water-cooling wall 111 are ensured, and the high efficiency of a gasification furnace system and the unblocked slag discharging channel are also ensured.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A gasifier system, comprising:
a gasification furnace main body (10) having a combustion chamber (11);
the burner mechanism (20), the burner mechanism (20) comprises a supporting seat (21) and a burner part (22), the supporting seat (21) is installed on the gasifier main body (10), the burner part (22) is arranged on the supporting seat (21), the burner part (22) is communicated with the combustion chamber (11), and the burner part (22) is used for igniting raw materials in the combustion chamber (11);
the monitoring mechanism (30), the monitoring mechanism (30) comprises a high-pressure storage tank (31), an image monitoring part and a temperature monitoring part (33), the image monitoring part and the temperature monitoring part (33) are all arranged in the high-pressure storage tank (31), the high-pressure storage tank (31) is arranged on the supporting seat (21), the high-pressure storage tank (31) and the combustion chamber (11) are communicated in an on-off manner, the image monitoring part is used for monitoring an image of the inner wall surface of the combustion chamber (11), and the temperature monitoring part (33) is used for monitoring the temperature in the combustion chamber (11);
the monitoring mechanisms (30) are arranged in a plurality, and the plurality of the monitoring mechanisms (30) are arranged around the circumference of the supporting seat (21).
2. The gasifier system according to claim 1, wherein the monitoring mechanism (30) further comprises a communication pipe (34) and a shielding gas purging part (35), one end of the communication pipe (34) is communicated with the high-pressure storage tank (31), the other end of the communication pipe (34) is communicated with the combustion chamber (11) in an on-off manner, the cavity of the high-pressure storage tank (31) and the communication pipe (34) are communicated with the shielding gas purging part (35), and the shielding gas purging part (35) is used for blowing shielding gas into the cavity of the high-pressure storage tank (31) and the communication pipe (34).
3. The gasifier system according to claim 2, wherein the shielding gas purging part (35) comprises a shielding gas purging line (351) and a shielding gas purging ring (352), the monitoring mechanism (30) further comprises an isolation valve (36), the isolation valve (36) is arranged at one end of the communication pipe (34), the shielding gas purging ring (352) is arranged at the other end of the communication pipe (34) and is communicated with the communication pipe (34), the isolation valve (36) is used for controlling the communication between the communication pipe (34) and the combustion chamber (11), the cavity of the high-pressure storage tank (31) and the shielding gas purging ring (352) are communicated with the shielding gas purging line (351), and the shielding gas purging line (351) is used for blowing shielding gas into the cavity of the high-pressure storage tank (31) and the shielding gas purging ring (352).
4. The gasifier system according to claim 1, wherein the monitoring mechanism (30) further comprises a purge valve (37), a plurality of pressure detection meters (38) and a plurality of temperature detection meters (39), the purge valve (37) is disposed at the top of the high-pressure tank (31), the purge valve (37) is configured to release pressure in the cavity of the high-pressure tank (31), the plurality of pressure detection meters (38) are disposed at the top of the high-pressure tank (31) at intervals, the pressure detection meters (38) are configured to detect pressure in the cavity of the high-pressure tank (31), the plurality of temperature detection meters (39) are disposed at intervals on the side wall of the high-pressure tank (31), and the temperature detection meters (39) are configured to detect temperature in the cavity of the high-pressure tank (31).
5. The gasifier system according to claim 2, wherein an angle a is provided between the communication pipe (34) and the bottom surface of the support base (21), wherein a is 20 ° -60 °.
6. A gasifier system according to claim 1, wherein the burner part (22) comprises an ignition burner (221) and a process burner (222), the burner mechanism (20) further comprises an ignition pipeline (23), the ignition burner (221) and the process burner (222) are arranged on the supporting seat (21), the process burner (222) is arranged around the ignition burner (221), one end of the ignition burner (221) and one end of the process burner (222) are communicated with the combustion chamber (11), the other end of the ignition burner (221) is communicated with the ignition pipeline (23), and the ignition pipeline (23) is used for conveying raw materials into the combustion chamber (11) through the ignition burner (221), and the ignition burner (221) and the process burner (222) are used for igniting the raw materials in the combustion chamber (11).
7. The gasifier system according to claim 6, wherein the burner section (22) further comprises a speed-raising blunt tip (223), the ignition burner (221) has an ignition gun (220), a fuel passage (2211) and a gas supply passage (2212) which are disposed in sequence around the ignition gun (220), the fuel passage (2211) is disposed around the ignition gun (220), the speed-raising blunt tip (223) is disposed at an end of the fuel passage (2211) facing the combustion chamber (11), one end of the fuel passage (2211) and one end of the gas supply passage (2212) are both in communication with the ignition line (23), and the speed-raising blunt tip (223) is for raising a speed of the ignition line (23) from the fuel passage (2211) into the combustion chamber (11).
8. The gasifier system according to claim 6, wherein the ignition line (23) comprises a fuel line (231), a gas supply line (232), a gas supply purge line (233) and a total acceleration line (234), the fuel line (231) comprises a solid fuel line (2311) and a gas fuel line (2312), the solid fuel line (2311), the gas fuel line (2312), the gas supply line (232) are all in communication with the ignition burner (221), the gas supply purge line (233) is in communication with the gas supply line (232), the solid fuel line (2311), the gas supply line (232) are all in communication with the total acceleration line (234), the fuel line (231), the gas supply line (232) are all for delivering feedstock into the combustion chamber (11) through the ignition burner (221), the gas supply purge line (233) is for conducting the gas supply line (232), and the total acceleration line (234) is for increasing the velocity of the solid fuel line (2311), the gas supply line (232) is for delivering feedstock into the combustion chamber (11).
9. The gasifier system of claim 8, wherein the total acceleration line (234) includes a solid fuel purge line (2341), a gas supply acceleration line (2342), a velocity regulation line (2343), and a gas fuel purge line (2344), wherein the solid fuel purge line (2341), one end of the velocity regulation line (2343), and the solid fuel purge line (2311) are each in communication, the other end of the velocity regulation line (2343) and the solid fuel purge line (2341) are each in communication, the solid fuel purge line (2341) is configured to deliver carbon dioxide gas to the solid fuel line (2311), the velocity regulation line (2343) is configured to regulate an amount of carbon dioxide gas entering the solid fuel line (2311), the gas fuel purge line (2344) is configured to deliver carbon dioxide gas to the gas fuel line (2312), the gas supply acceleration line (2342) and the gas supply line (232) are each in communication, and the gas supply acceleration line (2342) is configured to deliver carbon dioxide gas to the gas supply line (232).
10. A gasifier system according to claim 1, characterized in that the combustion chamber (11) has a water wall (111), the water wall (111) being in the shape of a cylindrical coil or a cylindrical riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311260030.1A CN117070255A (en) | 2023-09-26 | 2023-09-26 | Gasification furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311260030.1A CN117070255A (en) | 2023-09-26 | 2023-09-26 | Gasification furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117070255A true CN117070255A (en) | 2023-11-17 |
Family
ID=88710047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311260030.1A Pending CN117070255A (en) | 2023-09-26 | 2023-09-26 | Gasification furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117070255A (en) |
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2023
- 2023-09-26 CN CN202311260030.1A patent/CN117070255A/en active Pending
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