CN110437879A - Furnace in biomass steam flue dust gasification furnace - Google Patents
Furnace in biomass steam flue dust gasification furnace Download PDFInfo
- Publication number
- CN110437879A CN110437879A CN201910709576.8A CN201910709576A CN110437879A CN 110437879 A CN110437879 A CN 110437879A CN 201910709576 A CN201910709576 A CN 201910709576A CN 110437879 A CN110437879 A CN 110437879A
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- Prior art keywords
- furnace
- burner hearth
- steam
- gasification furnace
- pipe
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- 238000002309 gasification Methods 0.000 title claims abstract description 61
- 239000002028 Biomass Substances 0.000 title claims abstract description 8
- 239000003500 flue dust Substances 0.000 title claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 230000000391 smoking effect Effects 0.000 claims description 13
- 239000003607 modifier Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 2
- 239000003546 flue gas Substances 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009841 combustion method Methods 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000000197 pyrolysis Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 206010020843 Hyperthermia Diseases 0.000 abstract 1
- 230000036031 hyperthermia Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010025 steaming Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- -1 flue gas compound Chemical class 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- 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
-
- 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
- C10J3/74—Construction of shells or jackets
-
- 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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- 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
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- 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
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1223—Heating the gasifier by burners
-
- 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
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
Furnace in a kind of biomass steam flue dust gasification furnace, it is characterized in that: in the burner hearth cavity of existing steam boiler, increase the dry distillation type gasification furnace that placement one equally has independent burning to heat, furnace in one dual furnace is formed by interior furnace and outer furnace, the flue gas chemical combination pollutant and steam that the fuel combustion of furnace outer in this way generates, raw material of the furnace as gasification in supplying, the furnace shell dry combustion method of interior furnace is directly wrapped up by the stove fire of outer furnace again, the flue gas chemical combination pollutant and steam for being forced into interior furnace chamber generate rapidly high temperature thermal chemical reaction, generate fuel gas, the burning point independent burning for being transferred to interior furnace self establishment expands heat, hyperthermia radiation is to outer furnace, and therefrom improve the thermal efficiency, eliminate pollution.
Description
Technical field
Furnace in a kind of biomass steam flue dust gasification furnace of the hot heating art of people's livelihood, especially a kind of can voluntarily digest change
Matter, the pollutant oneself generated are converted to fuel gas, furnace in the furnace of self-supporting combustion heating.
Background technique
In existing technology, use the biological particles of purification for the structure of the general steam water boiler of the people's livelihood of fuel
It is similar, in terms of the pollution of the thermal efficiency and burning, since biomaterial is by being processed into little particle, burning can be floated,
It is strong to grill thoroughly power, fuel value is high, and dense smoke is small, compared with this directly burns with conventionally employed extensive biomass former material blank, relatively
There is more advantage, but it has a large amount of PM2.5 to discharge, and air is polluted, than using the former material static burn of bulk to discharge
It is more, more seriously.The pollution sources combination steam that boiler combustion generates can be modified to the purpose of the present invention is to provide a kind of
Combustible gas, supplement boiler burning use, and while eliminating pollution, and increase energy sources.
Summary of the invention
To achieve the above object, the present invention adopts the following technical solutions, and the present invention is to use like the prior art
The biological particles of purification are the general steam water boiler of the people's livelihood of fuel.It is characterized in that increasing peace in the burner hearth cavity of boiler
The dry distillation type gasification furnace for being equally equipped with independent burning heating is set, furnace in a dual furnace is formed by inside and outside furnace.It is outer in this way
The flue gas compound that the fuel combustion of furnace generates stains object, gives interior furnace as the raw material of gasification.Stove fire again by outer furnace is straight
The shell dry combustion method of furnace in wrapping up is connect, the flue gas chemical combination pollutant combination steam for being forced into interior furnace chamber generates rapidly high temperature thermalization
It learns reaction and generates fuel gas.The burning point independent burning of furnace self establishment in supplying realizes that dual-heated reaches flue gas conversion life
At fuel, pollution is eliminated.
The structure of furnace can be designed as in above-mentioned biomass steam flue dust gasification furnace: in the upper furnace of boiler, setting
One steam filters drum, and the top for filtering drum is equipped with a steam connection tube and the top connection of boiler is ventilated, and filters under drum
Portion is equipped with the appearance water phase in a heavy water pipe and boiler and connects；The purpose that air filtration packet is arranged is that the steam of boiler can be made by air filtration
Packet continues heating atomization, while ending the moisture content precipitating for floating out to come with vapour and flowing back into reach in pot and save water and energy, and improves steam
Quality.
And being placed in the gasification furnace in boiler furnace is double-layer structure, double-deck lower layer is cylindrical shape, sky among cylinder
Between be vertically arranged one using infrared high-temperature material filling burning cave in heaps, between the bilayer of gasification furnace, passed through equipped with pipeline
Lead to body to be equipped with company's tracheae between the lower layer top and burning cave of the double-deck gasification furnace, the gasification gas of gasification furnace is introduced combustion
It burns cave directly to burn, the Smoking pipe for having smoking apparatus is set on the roof of the furnace of boiler, and one end of Smoking pipe is in pot
The upper of furnace body of furnace, the burner hearth cavity for being turned back to boiler hangs down, enters the upper layer lower part of the double-deck gasification furnace by combustion high temperature area
A flue gas recirculation pipe is arranged in the lower layer lower part of inner cavity, the double-deck gasification furnace, and one end of flue gas recirculation pipe is hung down across burner hearth bottom
In vitro, it then is turned back in burner hearth, in lower layer's intermediate combustion cave of the double-deck gasification furnace, from below to up across the double-deck gasification furnace and steaming
Vapour air filtration packet rises from above the furnace body of boiler, and a smoking apparatus is arranged on the pipeline section above furnace body, continues pipe again by furnace body
Portion is turned back in the burner hearth of boiler, into the upper lumen on gasification furnace upper layer, can be burnt initial stage in boiler startup, gasification furnace cannot
The period of flue gas is digested, twitching flue gas, the circular flow in gasification system waits heating gasification repeatedly, plays pyrotechnics separation, keeps
Stove fire continues vigorous burning.
An annular steam pressurized high-temperature decomposition modifier is arranged in center below the lower layer of the double-deck gasification furnace, modifier
One vapor communication pipe is set among inside, and one end of vapor communication pipe is among lower layer's burning cave of the double-deck gasification furnace, under
Across the upper surface of the double-deck gasification furnace and steam air filtration packet on and, returns head and connect steaming with air filtration packet, the one of modifier laterally divides into
A steam inducing tube is set, one end of steam inducing tube is hung down outside the lower bulk of burner hearth, by the steam of extraction, respectively extremely by gas-distributing pipe
Different purposes use, and are provided with a gas-distributing pipe and go in the burner hearth of boiler, connect with the lower layer lower part of the double-deck gasification furnace logical
Vapour, and enter the steam flue gas of double-deck gasification furnace lower layer inner cavity, the combustible gas for generation of gasifying, by being located at the double-deck gasification furnace lower layer
Outside the lower bulk that the air entraining pipe on top hangs down in burning cave across burner hearth, returns the burning cave in burner hearth into gasification furnace and send
Gas burning.So simultaneously, above-mentioned steam flue gas enter gasification furnace mixing mutually promote reaction modification generate combustible gas, into
Enter the flame supplement combustion in the reactor among double-deck gasification furnace lower layer burning cave in burning and inferior boiler hearth combustion
It burns.The fiery moderate heat package burned flame of composition penetrates infrared high-temperature material pile intermediate combustion, is forced naturally if any failing to change
The flue gas of matter finally can unconditionally obtain modifying purpose comprehensively.
The present invention compared with prior art, has following obvious brilliant progress, furnace is spontaneous using its in this furnace
Pollution sources and steam modification conversion combustible gas, not only solved pollution problem but also increased energy new resources.And realize this
The process of purpose does not increase and shares non-renewable energy consumption, and reason is although gasification furnace depends on steam boiler burning drive starting,
But the output after starting especially is able to achieve greater than paying and thoroughly eliminates pollution, protects environment.
Detailed description of the invention
It is described further with reference to the accompanying drawing
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention
Specific embodiment
Preferred embodiment of the invention is referring to Fig. 1.
In the 2 inner cavity center of burner hearth of steam boiler 1, one double-deck gasification furnace 3 is set.The lower layer of the double-deck gasification furnace 3 is cylindrical shape,
Parasitic one piece of bottom hole is set in the bottom of cylinder, the hole substrate of cylinder intermediate space is vertically arranged one high using infrared ray
Adiabator filling is at a pile, as infrared emitter, infrared ray hollow bead burning cave 14, the top setting one of burner hearth 2
A steam air filtration packet 8 between the top of air filtration packet 8 and the top of steam boiler 1, connects tracheae 13 equipped with steam, under air filtration packet 8
Between portion and the furnace content water on the top of steam boiler 1, connect water pipe 6 equipped with heavy water, one Smoking pipe is set at the top of burner hearth 2
11, the pipeline section of Smoking pipe 11 is equipped with a smoking apparatus 12, one end of Smoking pipe 11 the upper of furnace body of steam boiler 1 turn round into
Enter the high-temperature region in the inner cavity of burner hearth 2, burning cave 14 among the straight lower lower layer to the double-deck gasification furnace 3, revolution and the double-deck gasification furnace 3
Upper layer lower part be connected and send cigarette, the company's of being equipped with smoke pipe between the upper layer top of the double-deck gasification furnace 3 and the lower layer lower part of the double-deck gasification furnace 3
5, the lower layer lower part of the double-deck gasification furnace 3 is equipped with one and returns cigarette circulation pipe 7, and one end of circulation pipe 7 is pierced by the furnace body body of 2 lower part of burner hearth
Outside, then turn round high-temperature region into burner hearth 2 and burning cave 14, it is straight on be pierced by the top of burner hearth 2 the upper surface of to furnace body 1, in furnace body
On the pipeline section of circulation pipe 7 above, it is equipped with a smoking apparatus 9, the continuous pipe of circulation pipe 7, then burner hearth is turned back to by the top of furnace body 1
Enter the upper layer inner cavity of the double-deck gasification furnace 3 in 2；It can be used in steam boiler burning initial start stage, the period that flue gas cannot gasify, opened
Dynamic smoking apparatus, which is twitched, carries out flue gas iterative cycles operation in gasification system, and biological particles placing burning is arranged at the lower part of burner hearth 2
Fiery heap 16, it is intermediate below the lower layer of the upper surface of fiery heap 16 and the double-deck gasification furnace 3 that an annular steam pressurized high-temperature point is set
Modifier 15 is solved, sets up a vapor communication pipe 10, one end of vapor communication pipe 10, double among the inside of modifier 15
Pass through the upper surface of the double-deck gasification furnace 3 and steam filter drum 8 from below to up among lower layer's burning cave 14 of layer gasification furnace 3, return head with
The down-set gas-linking tube 17 in side that drum 8 connects steaming modifier 15 is filtered, one end of gas-linking tube 17 is hung down across burner hearth 2
Lower bulk outside, through external pipe tail be equipped be in charge of, respectively by by modifier 15 modify upgrading gasify steam send to
The use that difference needs, wherein 17 continuous pipe revolution connect with the lower layer lower part of the double-deck gasification furnace 3 into burner hearth 2 and supplies gas, and into
The mixing modification gasification gas for entering the double-deck 3 lower layer inner cavity of gasification furnace, is arranged an escape pipe 4 on the lower layer top of the double-deck gasification furnace 3,
One end of escape pipe 4 is hung down and is pierced by outside the lower bulk of burner hearth 2 by the high-temperature region in burning cave 14, then is turned back in burner hearth 2 and combustion
Dock burning of supplying gas in the lower part for burning cave 14.
Claims (2)
1. furnace in a kind of biomass steam flue dust gasification furnace, it is characterized in that: in burner hearth (2) inner cavity center of steam boiler (1), peace
It sets the double-deck gasification furnace (3), among lower layer's cylinder of the double-deck gasification burner (3), an infrared ray hollow bead burning cave is set
(14), one Smoking pipe (11) is set in the placed on top of burner hearth (2), the pipeline section of Smoking pipe (11) is equipped with a fume extractor
(12), one end of Smoking pipe (11) enters inner cavity and the bilayer gasification furnace of burner hearth (2) in the upper of furnace body revolution of steam boiler (1)
(3) upper layer lower part, which is connected, send cigarette, sets between the upper layer top of the double-deck gasification burner (3) and the lower layer lower part of the double-deck gasification furnace (3)
There is company's smoke pipe (5), the lower layer lower part of the double-deck gasification furnace (3) is equipped with one and goes back to cigarette circulation pipe (7), one end of circulation pipe (7)
The furnace body for being pierced by burner hearth (2) lower part is external；It is turned round again into burner hearth (2) and arrives double-deck gasification furnace (3) lower layer cylinder intermediate combustion
The high-temperature region in cave (14), it is straight on be pierced by above the furnace body at the top of burner hearth (2), the pipeline section of the circulation pipe (7) on furnace body is external
One fume extractor (9) of upper setting, the continuous pipe of circulation pipe (7) are turned back to burner hearth (2) by upper of furnace body again and enter the double-deck gasification furnace (3)
Upper layer inner cavity；The top of burner hearth (2) is equipped with a steam and filters drum (8), and the lower part of burner hearth (2) is equipped with an annular steam and changes
Matter device (15), is equipped with a vapor communication pipe (10) among the inside of modifier (15) upwards, communicating pipe the one end of (10) pass through
Directly upper and steam filters the upper surface of drum (8) to vapour in succession, the side of modifier (15) for the centre of burning cave (14) and gasification furnace (3)
Lower to company's tracheae (17) is equipped with, the one end for connecting tracheae (17) is hung down outside the lower bulk of burner hearth (2), is pierced by external company
The continuous pipe revolution of tracheae (17) enters in burner hearth (2) to be connect with the lower layer of the double-deck gasification furnace (3), the lower layer of the double-deck gasification furnace (3)
An escape pipe (4) is arranged in top, and the high-temperature region that one end of escape pipe (4) is hung down through burning cave (14) is pierced by burner hearth (2)
Outside lower bulk, then it is turned back to the lower part directed reach in burner hearth (2) to burning cave (14).
2. furnace in biomass steam flue dust gasification furnace according to claim 1, which is characterized in that be placed on burner hearth (2)
The composition of steam filter drum (8) in portion, the top side of filter drum (8) is equipped with one and the steam on steam boiler (1) top connects
Connecting leg (13), the lower part side of filter drum (8) are equipped with a heavy water pipe (6) with steam boiler (1) top pot content water phase even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709576.8A CN110437879A (en) | 2019-07-25 | 2019-07-25 | Furnace in biomass steam flue dust gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709576.8A CN110437879A (en) | 2019-07-25 | 2019-07-25 | Furnace in biomass steam flue dust gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110437879A true CN110437879A (en) | 2019-11-12 |
Family
ID=68432918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709576.8A Pending CN110437879A (en) | 2019-07-25 | 2019-07-25 | Furnace in biomass steam flue dust gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110437879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294610A (en) * | 2023-04-21 | 2023-06-23 | 东营联合石化有限责任公司 | Raw oil reaction heating furnace |
-
2019
- 2019-07-25 CN CN201910709576.8A patent/CN110437879A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294610A (en) * | 2023-04-21 | 2023-06-23 | 东营联合石化有限责任公司 | Raw oil reaction heating furnace |
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Country or region after: China Address after: Room 201, Unit 1, Building 11, Xiangshan Garden, Shangyangtou, Pingnan County, Ningde City, Fujian Province, 352300 Applicant after: Zhang Daji Address before: 352100 room 402, building D, Hefeng commercial city, Jiaocheng District, Ningde City, Fujian Province Applicant before: Zhang Daji Country or region before: China |