CN116293741A - High-temperature treatment process for combustible flue gas - Google Patents
High-temperature treatment process for combustible flue gas Download PDFInfo
- Publication number
- CN116293741A CN116293741A CN202310226935.0A CN202310226935A CN116293741A CN 116293741 A CN116293741 A CN 116293741A CN 202310226935 A CN202310226935 A CN 202310226935A CN 116293741 A CN116293741 A CN 116293741A
- Authority
- CN
- China
- Prior art keywords
- pipe
- gas
- furnace body
- flue gas
- combustible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 75
- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 60
- 239000000428 dust Substances 0.000 claims description 28
- 239000012535 impurity Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000012805 post-processing Methods 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 24
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to a high-temperature treatment process of combustible flue gas, which comprises a combustion furnace and a post-treatment unit, wherein the combustion furnace is matched with the post-treatment unit to burn the flue gas and treat combustion products, the temperature in the combustion furnace is kept above 800 ℃ by heating the combustion furnace through the temperature of the burnt gas, the combustion furnace is only required to be heated at the beginning in the whole processing process, the combustion furnace is not required to be continuously heated in the follow-up process, the cost of the high-temperature treatment of the flue gas is reduced, the temperature of the reaction liquid is heated by the temperature of the burnt gas, and the solubility of the reaction liquid is improved, so that the aim of improving the reaction efficiency between the reaction liquid and the burnt gas is fulfilled, and nitrogen oxides and hydrogen chloride are not contained in the gas discharged into the air through a loop formed between a branch pipe and a second communication pipeline, and the safety of the environment is ensured.
Description
Technical Field
The invention relates to the technical field of high-temperature treatment of combustible flue gas, in particular to a high-temperature treatment process of the combustible flue gas.
Background
The combustible flue gas is combustible flue gas generated after production and processing, and the flue gas contains dust impurities and substances harmful to air, so that the flue gas needs to be treated at high temperature to remove the dust impurities and the substances harmful to air in the combustible flue gas and prevent the combustible flue gas from polluting the environment, and the combustible flue gas mainly refers to silane waste gas.
The high temperature treatment of the silane waste gas generally comprises the steps of firstly heating the incinerator by a burner to enable the temperature of the incinerator to be increased to be more than 800 ℃, then introducing the silane waste gas into the incinerator for burning, after burning, carrying out dust removal treatment and cooling treatment on the burnt high temperature gas, and then discharging the gas to the atmosphere.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-temperature treatment process of combustible flue gas.
The high-temperature treatment process of the combustible flue gas uses high-temperature treatment equipment of the combustible flue gas, wherein the high-temperature treatment equipment of the combustible flue gas comprises a combustion furnace and a post-treatment unit, and the specific method for carrying out the high-temperature treatment equipment of the combustible flue gas is as follows: s1, heating a combustion furnace: firstly, the interior of the combustion furnace is heated to make the temperature reach above 800 ℃.
S2, burning combustible flue gas: and (3) introducing the combustible flue gas into a combustion furnace for full combustion.
S3, treating gas: the burnt gas is treated by the post-treatment unit so as to meet the emission standard.
S4, discharging impurity dust: after the combustible flue gas is completely combusted and treated, the impurity dust generated after the combustion reaction is scraped by the combustion furnace, so that the combustible flue gas is discharged out of the combustion furnace.
The right end of the combustion furnace is fixedly provided with a post-treatment unit.
The combustion furnace comprises a furnace body, wherein a burner is fixedly arranged at the lower end of the furnace body, a flue gas pipeline is fixedly arranged at the lower side of the left end of the furnace body, a heating cylinder body is fixedly arranged at the outer end of the furnace body, a heat insulation plate is fixedly arranged at the outer end of the heating cylinder body, a slag discharging port is arranged at the lower end of the right side of the furnace body, an exhaust pipe is fixedly arranged at the upper end of the right side of the furnace body, and the right end of the exhaust pipe is fixedly connected with a post-processing unit.
The post-treatment unit comprises a dust remover, the left end of the exhaust pipe is fixedly provided with the dust remover, the left end of the dust remover is fixedly provided with a gas pipe, the tail end of the gas pipe is fixedly connected with the heating cylinder body, the right end of the heating cylinder body is fixedly provided with a gas outlet pipe, the right end of the gas outlet pipe is fixedly provided with a cooling frame, the tail end of the cooling frame is fixedly provided with a reaction cylinder, and the right end of the reaction cylinder is fixedly provided with a tail end pipe.
The first preferred technical scheme is as follows: fireproof paint is coated on the inner wall of the furnace body, a first motor is fixedly arranged at the right end of the furnace body through a motor seat, a heat insulation plate is fixedly arranged on an output shaft of the first motor through a coupler, a rotating column is fixedly arranged at the left end of the heat insulation plate, scraping plates are fixedly arranged at the outer end of the rotating column in an up-down symmetrical mode, a combustor is fixedly arranged at the lower end of the middle part of the furnace body, a workbench is rotatably arranged at the lower end of the furnace body, an electric push rod is fixedly arranged at the upper end of the workbench, and the tail end of the electric push rod is rotatably connected with the lower end of the left side of the furnace body.
And the second preferred technical scheme is as follows: the middle part of the heating cylinder body is provided with an annular groove, the inner end of the annular groove is fixedly provided with a threaded annular pipe, the tail end of the gas pipe is fixedly connected with the starting end of the threaded annular pipe, the tail end of the threaded annular pipe is fixedly connected with the gas outlet pipe, and the heating cylinder body is made of heat-conducting metal materials.
And the preferred technical scheme is as follows: the upper end of the middle part of the flue gas pipeline is fixedly provided with a first air pump, an air inlet of the first air pump is fixedly provided with an air inlet pipe, and the inner wall of the air inlet pipe is fixedly provided with a filter plate.
The preferable technical scheme is as follows: the slag discharging port comprises a conical groove, the lower end of the right side of the furnace body is provided with the conical groove, the lower end of the conical groove is fixedly provided with a conveying pipeline, and the lower end of the conveying pipeline is fixedly provided with a conveying pump.
The preferable technical scheme is as follows: the cooling frame comprises a plate heat exchanger, the right end of an air outlet pipe is fixedly connected with a heat medium inlet of the plate heat exchanger, a heat medium outlet of the plate heat exchanger is fixedly connected with a reaction cylinder through a first communication pipe, a cold medium inlet of the plate heat exchanger is fixedly connected with the reaction cylinder through a second communication pipe, a water pump is fixedly arranged at the cold medium outlet of the plate heat exchanger, a liquid return pipeline is fixedly arranged at the water outlet of the water pump, and the tail end of the liquid return pipeline is fixedly connected with the front end of the reaction cylinder.
The preferable technical scheme is as follows: sodium hydroxide solution is contained in the reaction cylinder, a material supplementing pipe is fixedly arranged at the upper end of the right side of the reaction cylinder, a threaded cover body is connected to the upper end of the material supplementing pipe in a threaded connection mode, a separation plate is fixedly arranged at the top end of the inner end of the reaction cylinder, the right end of the reaction cylinder is fixedly connected with a tail end pipe, the front end and the rear end of the separation plate are fixedly connected with the inner wall of the reaction cylinder, and the height of the separation plate is larger than the height between the top of the inner end of the reaction cylinder and the liquid level of the sodium hydroxide solution.
The preferred technical scheme is as follows: the end pipe is provided with an air quality detector, an alarm is arranged on the air quality detector, an electric valve is fixedly arranged in the branch pipe, and the tail end of the branch pipe at the lower side is fixedly connected with the first communicating pipe.
The invention has the following beneficial effects: 1. the high-temperature treatment process for the combustible flue gas provided by the invention has the advantages that the combustion furnace is matched with the post-treatment unit, the flue gas is subjected to combustion treatment, combustion products are treated, the temperature in the combustion furnace is kept above 800 ℃ by heating the combustion furnace through the temperature of the combusted gas, the combustion furnace is only required to be heated through the burner at the beginning in the whole processing process, the combustion furnace is not required to be continuously heated through the burner at the follow-up time, the cost of the high-temperature treatment of the flue gas is reduced, the temperature of the combusted gas is utilized to heat the reaction solution, the temperature of the reaction solution is increased, and therefore the solubility of the reaction solution is increased, the aim of improving the reaction efficiency between the reaction solution and the combusted gas is fulfilled, and the gas discharged into the air is ensured to no longer contain nitrogen oxides and hydrogen chloride through a loop formed between the branch pipe and the second communication pipeline, so that the safety of the environment is ensured.
2. According to the combustion furnace provided by the invention, dust and impurities attached to the inner wall of the furnace body are scraped through the scraping plate, so that the dust and impurities are prevented from accumulating on the inner wall of the furnace body, the heat conduction speed of the furnace body is influenced, and the heat insulation plate is used for preventing high temperature generated during combustion in the furnace body from being conducted to the motor I, so that the motor I is subjected to a second high temperature to cause faults.
3. According to the combustion furnace provided by the invention, high-temperature gas is introduced into the threaded ring groove through the gas pipe, finally enters the gas outlet pipe through the tail end of the threaded ring pipe, and the high-temperature gas is ensured to be uniformly distributed in the ring groove, so that the interior of the furnace body at the inner end of the heating cylinder body is uniformly heated, impurities in the external air are prevented from entering the furnace body through the filter plate, and the content of irrelevant impurities in the furnace body is increased.
4. According to the post-treatment unit provided by the invention, the nitrogen oxide and the hydrogen chloride in the combusted gas react through the sodium hydroxide, so that the nitrogen oxide and the hydrogen chloride are removed from the combusted gas, the reaction cylinder is separated through the fixed connection of the front end and the rear end of the reaction cylinder and the inner wall of the reaction cylinder and the separation plate with the height larger than the height between the top of the inner end of the reaction cylinder and the liquid level of the sodium hydroxide solution, and the gas and the sodium hydroxide solution can overflow from the right side of the sodium hydroxide solution after the gas and the sodium hydroxide solution completely react.
5. The post-processing unit provided by the invention ensures that completely safe gas can be discharged into the air only by matching the air quality detector with the electric valve, and ensures the environmental protection safety of the device.
Drawings
FIG. 1 is a schematic of the workflow of the present invention.
Fig. 2 is a schematic perspective view of the front view of the present invention.
Fig. 3 is a schematic view of a front plan sectional structure of the present invention.
Fig. 4 is an enlarged view of a portion at N of fig. 3 in accordance with the present invention.
Fig. 5 is a schematic view of a front view plane structure of the present invention.
Fig. 6 is a cross-sectional view taken along the direction A-A of fig. 5 in accordance with the present invention.
Fig. 7 is a schematic perspective view of a threaded collar according to the present invention.
In the figure: 1. a combustion furnace; 11. a furnace body; 111. fireproof paint; 112. a first motor; 113. a heat insulating plate; 114. rotating the column; 115. a scraping plate; 116. a work table; 117. an electric push rod; 118. a temperature display; 12. a burner; 13. a flue gas duct; 131. an air pump I; 132. an air inlet pipe shape; 133. a filter plate; 14. heating the cylinder; 141. an annular groove; 142. a threaded collar; 15. a thermal insulation board; 16. a slag discharge port; 161. a conical groove; 162. a material conveying pipeline; 163. a transfer pump; 17. an exhaust pipe; 2. a post-processing unit; 21. a dust remover; 22. a gas pipe; 23. an air outlet pipe; 24. a cooling rack; 241. a plate heat exchanger; 242. a communication pipe I; 243. a second communicating pipe; 244. a water pump; 245. a liquid return pipeline; 25. a reaction cylinder; 251. a material supplementing pipe; 252. a threaded cap; 253. a partition plate; 26. a tip tube; 261. a branch pipe; 262. an air quality detector; 263. an alarm; 264. an electric valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 7, a high temperature treatment process of combustible flue gas, which uses a high temperature treatment device of combustible flue gas, the high temperature treatment device of combustible flue gas includes a combustion furnace 1 and a post-treatment unit 2, and the specific method for carrying out the high temperature treatment device of combustible flue gas is as follows: s1, heating a combustion furnace 1: firstly, the inside of the combustion furnace 1 is heated to a temperature of 800 ℃ or higher.
S2, burning combustible flue gas: and the combustible flue gas is introduced into the combustion furnace 1 for full combustion.
S3, treating gas: the burnt gas is treated by the aftertreatment unit 2 to meet emission standards.
S4, discharging impurity dust: after the combustible flue gas is completely combusted and treated, impurity dust generated after the combustion reaction is scraped by the combustion furnace 1, so that the combustible flue gas is discharged out of the combustion furnace 1.
Referring to fig. 2, a post-processing unit 2 is fixedly mounted at the right end of the combustion furnace 1.
Referring to fig. 1, 2 and 3, the combustion furnace 1 comprises a furnace body 11, a burner 12 is fixedly arranged at the lower end of the furnace body 11, a flue gas pipeline 13 is fixedly arranged at the lower side of the left end of the furnace body 11, a heating cylinder 14 is fixedly arranged at the outer end of the furnace body 11, a heat insulation plate 15 is fixedly arranged at the outer end of the heating cylinder 14, a slag discharge port 16 is arranged at the lower end of the right side of the furnace body 11, an exhaust pipe 17 is fixedly arranged at the upper end of the right side of the furnace body 11, and the right end of the exhaust pipe 17 is fixedly connected with the post-processing unit 2; firstly, the furnace body 11 is heated by the burner 12, when the temperature of the furnace body 11 reaches more than 800 ℃, combustible smoke is led into the furnace body 11 through the smoke pipeline 13, the combustible smoke is ignited by flame ejected by the burner 12, the burnt high-temperature gas is discharged through the exhaust pipe 17, the preliminary treatment is carried out by the post-treatment unit 2, the high-temperature gas after the preliminary treatment is led into the heating cylinder 14, the furnace body 11 is heated, the furnace body 11 is ensured to be always above 800 ℃, at this time, the combustible smoke in the furnace body 11 is ignited by the ignition system in the burner 12, dust impurities generated after the combustion are discharged through the slag discharge port 16, the heating cylinder 14 is insulated by the insulation plate 15, the loss of temperature is reduced, the gas heated by the furnace body 11 is discharged to the post-treatment unit 2 through the heating cylinder 14, finally, the harmful gas in the gas is removed by the post-treatment unit 2, the harmful gas reaches the gas discharge standard, and finally the harmful gas is discharged into the air.
Referring to fig. 2 and 3, the post-processing unit 2 includes a dust remover 21, a dust remover 21 is fixedly mounted at the left end of the exhaust pipe 17, a gas pipe 22 is fixedly mounted at the left end of the dust remover 21, the tail end of the gas pipe 22 is fixedly connected with the heating cylinder 14, a gas outlet pipe 23 is fixedly mounted at the right end of the heating cylinder 14, a cooling frame 24 is fixedly mounted at the right end of the gas outlet pipe 23, a reaction cylinder 25 is fixedly mounted at the tail end of the cooling frame 24, and a tail end pipe 26 is fixedly mounted at the right end of the reaction cylinder 25; the high-temperature gas burnt in the furnace body 11 is conveyed to the dust remover 21 through the exhaust pipe 17 to be subjected to dust removal treatment, the high-temperature gas subjected to dust removal treatment is conveyed to the heating cylinder 14, thereby the furnace body 11 is heated, finally, the high-temperature gas is conveyed to the cooling frame 24 through the air outlet pipe 23, the reaction liquid in the reaction cylinder 25 is introduced into the plate heat exchanger 241, the reaction liquid in the reaction cylinder 25 is utilized to exchange heat and cool the gas through the plate heat exchanger 241, the cooled gas is conveyed to the reaction cylinder 25 to react, harmful substances in the gas are removed, the temperature of the reaction liquid in the heat exchange and cooling process is increased, thereby the reaction rate is accelerated, and meanwhile, the solubility of the reaction liquid in the reaction cylinder 25 to reaction products is improved.
Referring to fig. 2, 3 and 4, the inner wall of the furnace body 11 is coated with a fireproof paint 111, the right end of the furnace body 11 is fixedly provided with a first motor 112 through a motor base, an output shaft of the first motor 112 is fixedly provided with a heat insulation board 113 through a coupling, the left end of the heat insulation board 113 is fixedly provided with a rotating column 114, the outer end of the rotating column 114 is fixedly provided with a scraping plate 115 in an up-down symmetrical manner, the lower end of the middle part of the furnace body 11 is fixedly provided with a combustor 12, the lower end of the furnace body 11 is rotatably provided with a workbench 116, the upper end of the workbench 116 is fixedly provided with an electric push rod 117, the tail end of the electric push rod 117 is rotatably connected with the lower end of the left side of the furnace body 11, and the furnace body 11 is provided with a temperature display 118; the temperature inside the furnace body 11 is convenient to observe through the temperature display 118, after the reaction is thoroughly finished, the first motor is started, the rotary column 114 is made to rotate, thereby the scraping plate 115 is driven to scrape dust impurities attached to the inner wall of the furnace body 11, the electric push rod 117 is started at the moment, the furnace body 11 is inclined, the dust impurities inside the furnace body 11 are smoothly gathered rightwards, finally, the dust impurities are discharged through the slag discharging port 16, and the high temperature generated during the combustion inside the furnace body 11 is prevented from being conducted to the first motor 112 through the heat insulation plate 113, so that the first motor 112 is broken down due to the high temperature.
Referring to fig. 3 and 7, an annular groove 141 is provided in the middle of the heating cylinder 14, a threaded collar 142 is fixedly mounted at the inner end of the annular groove 141, the tail end of the air pipe 22 is fixedly connected with the start end of the threaded collar 142, the tail end of the threaded collar 142 is fixedly connected with the air outlet pipe 23, and the heating cylinder 14 is made of heat conducting metal; the high-temperature gas is introduced into the threaded ring groove through the gas pipe 22 and finally enters the gas outlet pipe 23 through the tail end of the threaded ring pipe 142, so that the high-temperature gas is ensured to be uniformly distributed in the annular groove 141, and the inside of the furnace body 11 at the inner end of the heating cylinder 14 is uniformly heated.
Referring to fig. 3, an air pump one 131 is fixedly arranged at the upper end of the middle part of the flue gas pipeline 13, an air inlet pipe 132 is fixedly arranged at an air inlet of the air pump one 131, and a filter plate 133 is fixedly arranged on the inner wall of the air inlet pipe 132; the air pump I131 makes the external air enter the air inlet pipe 132 so as to be mixed with the combustible gas, ensure that the oxygen content of the combustible gas is enough to be completely ignited, prevent impurities in the external air from entering the furnace body 11 through the filter plate 133, and increase the content of irrelevant impurities in the furnace body 11.
With continued reference to fig. 3, the slag discharging port 16 includes a conical groove 161, the lower end of the right side of the furnace body 11 is provided with the conical groove 161, the lower end of the conical groove 161 is fixedly provided with a conveying pipeline 162, and the lower end of the conveying pipeline 162 is fixedly provided with a conveying pump 163; the impurity particles after the complete combustion of the combustible flue gas are smoothly collected in the conical groove 161 by the conical groove 161, and finally the impurity particles are smoothly discharged out of the furnace body 11 from the conveying pipeline 162 by the conveying pump 163.
Referring to fig. 3 and 5, the cooling rack 24 includes a plate heat exchanger 241, the right end of the air outlet pipe 23 is fixedly connected with a heat medium inlet of the plate heat exchanger 241, a heat medium outlet of the plate heat exchanger 241 is fixedly connected with the reaction cylinder 25 through a first communication pipe 242, a cold medium inlet of the plate heat exchanger 241 is fixedly connected with the reaction cylinder 25 through a second communication pipe 243, a water pump 244 is fixedly installed at the heat medium outlet of the plate heat exchanger 241, a water outlet of the water pump 244 is fixedly installed with a liquid return pipe 245, and the tail end of the liquid return pipe 245 is fixedly connected with the front end of the reaction cylinder 25; the plate heat exchanger 241 is used for carrying out heat exchange treatment on the reaction liquid in the reaction cylinder 25 and the gas after the combustion reaction, the reaction liquid after the temperature rise returns to the reaction cylinder 25 again through the communication pipe two 243, and the harmful gas in the gas after the combustion reaction is treated, so that the harmful gas is prevented from being discharged into the outside air, and the outside environment is influenced.
Referring to fig. 3, 5 and 6, sodium hydroxide solution is contained in the reaction tube 25, a feeding tube 251 is fixedly arranged at the upper end of the right side of the reaction tube 25, a threaded cover 252 is connected to the upper end of the feeding tube 251 in a threaded connection manner, a partition plate 253 is fixedly arranged at the top end of the inner end of the reaction tube 25, the right end of the reaction tube 25 is fixedly connected with a tail end tube 26, the front end and the rear end of the partition plate 253 are fixedly connected with the inner wall of the reaction tube 25, and the height of the partition plate 253 is larger than the height between the top end of the inner end of the reaction tube 25 and the liquid level of the sodium hydroxide solution; the nitrogen oxides and the hydrogen chloride in the sodium hydroxide and the combusted gas react, so that the nitrogen oxides and the hydrogen chloride are removed from the combusted gas, the feed pipe 251 is sealed by the threaded cover 252, the gas which is reacted in the reaction cylinder 25 is prevented from overflowing from the feed pipe 251 without detection, so that the gas containing a small amount of nitrogen oxides and the hydrogen chloride is discharged into the external environment to pollute the environment, the reaction cylinder 25 is separated by the partition plates 253, the front end and the rear end of which are fixedly connected with the inner wall of the reaction cylinder 25, and the height of which is larger than the height between the top of the inner end of the reaction cylinder 25 and the liquid level of sodium hydroxide solution, and the gas and the sodium hydroxide solution can be overflowed from the right side of the sodium hydroxide solution after the gas is completely reacted.
Referring to fig. 3, the end of the end pipe 26 is symmetrically and fixedly provided with a branch pipe 261, the end pipe 26 is provided with an air quality detector 262, the air quality detector 262 is provided with an alarm 263, the branch pipes 261 are internally and fixedly provided with an electric valve 264, and the end of the lower branch pipe 261 is fixedly connected with the first communicating pipe 242; when the gas passing through the reaction cylinder 25 enters the end pipe 26, the gas in the end pipe 26 is detected by the air quality detector 262, and when nitrogen oxides and hydrogen chloride exist in the detected result, the alarm 263 gives an alarm, the electric valve 264 in the branch pipe 261 at the upper side is closed, the sodium hydroxide solution is added into the reaction cylinder 25 through the feed-back pipe 251, so that the sodium hydroxide solution in the reaction cylinder 25 is prevented from being completely reacted due to the fact that the sodium hydroxide solution in the reaction cylinder 25 does not contain sodium hydroxide any more, the gas in the end pipe 26 enters the sodium hydroxide solution again through the first communicating pipe 242 for reaction until the alarm 263 does not generate an alarm, and the electric valve 264 in the branch pipe 261 at the lower side is closed at the moment, so that the gas which is safe to the environment is discharged into the air.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high temperature treatment process of combustible flue gas, its high temperature treatment equipment that has used a combustible flue gas, and this combustible flue gas's high temperature treatment equipment includes burning furnace (1) and aftertreatment unit (2), its characterized in that: the specific method for carrying out the high-temperature treatment equipment of the combustible flue gas is as follows:
s1, a heating combustion furnace (1): firstly, heating the inside of a combustion furnace (1) to enable the temperature to reach more than 800 ℃;
s2, burning combustible flue gas: introducing combustible flue gas into a combustion furnace (1) for full combustion;
s3, treating gas: the post-treatment unit (2) is used for treating the burnt gas to enable the burnt gas to meet the emission standard;
s4, discharging impurity dust: after the combustible flue gas is completely combusted and treated, the impurity dust generated after the combustion reaction is scraped by the combustion furnace (1) so as to be discharged out of the combustion furnace (1);
the right end of the combustion furnace (1) is fixedly provided with a post-treatment unit (2);
the combustion furnace (1) comprises a furnace body (11), a burner (12) is fixedly arranged at the lower end of the furnace body (11), a flue gas pipeline (13) is fixedly arranged at the lower side of the left end of the furnace body (11), a heating cylinder (14) is fixedly arranged at the outer end of the furnace body (11), a heat insulation plate (15) is fixedly arranged at the outer end of the heating cylinder (14), a slag discharge port (16) is arranged at the lower end of the right side of the furnace body (11), an exhaust pipe (17) is fixedly arranged at the upper end of the right side of the furnace body (11), and the right end of the exhaust pipe (17) is fixedly connected with the post-processing unit (2);
the post-treatment unit (2) comprises a dust remover (21), the left end of an exhaust pipe (17) is fixedly provided with the dust remover (21), the left end of the dust remover (21) is fixedly provided with a gas pipe (22), the tail end of the gas pipe (22) is fixedly connected with a heating cylinder body (14), the right end of the heating cylinder body (14) is fixedly provided with a gas outlet pipe (23), the right end of the gas outlet pipe (23) is fixedly provided with a cooling frame (24), the tail end of the cooling frame (24) is fixedly provided with a reaction cylinder (25), and the right end of the reaction cylinder (25) is fixedly provided with a tail end pipe (26).
2. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: fireproof paint (111) is scribbled to furnace body (11) inner wall, there is motor one (112) furnace body (11) right-hand member through motor cabinet fixed mounting, motor one (112) output shaft has heat insulating board (113) through shaft coupling fixed mounting, heat insulating board (113) left end fixed mounting has rotation post (114), symmetry fixed mounting has scraper (115) about rotation post (114) outer end, furnace body (11) middle part lower extreme fixed mounting has combustor (12), furnace body (11) lower extreme rotates and installs workstation (116), workstation (116) upper end fixed mounting has electric putter (117), rotate between electric putter (117) end and furnace body (11) left side lower extreme and be connected, be provided with temperature display instrument (118) on furnace body (11).
3. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: an annular groove (141) is formed in the middle of the heating cylinder body (14), a threaded annular pipe (142) is fixedly mounted at the inner end of the annular groove (141), the tail end of the air pipe (22) is fixedly connected with the starting end of the threaded annular pipe (142), the tail end of the threaded annular pipe (142) is fixedly connected with the air outlet pipe (23), and the heating cylinder body (14) is made of heat-conducting metal.
4. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: the flue gas pipeline (13) middle part upper end fixed mounting has air pump one (131), and air pump one (131) air inlet fixed mounting has intake pipe (132), and intake pipe (132) inner wall fixed mounting has filter (133).
5. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: the slag discharging port (16) comprises a conical groove (161), the conical groove (161) is formed in the lower end of the right side of the furnace body (11), a conveying pipeline (162) is fixedly arranged at the lower end of the conical groove (161), and a conveying pump (163) is fixedly arranged at the lower end of the conveying pipeline (162).
6. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: the cooling frame (24) comprises a plate heat exchanger (241), the right end of an air outlet pipe (23) is fixedly connected with a heat medium inlet of the plate heat exchanger (241), a heat medium outlet of the plate heat exchanger (241) is fixedly connected with a reaction cylinder (25) through a first communicating pipe (242), a cold medium inlet of the plate heat exchanger (241) is fixedly connected with the reaction cylinder (25) through a second communicating pipe (243), a water pump (244) is fixedly arranged at a cold medium outlet of the plate heat exchanger (241), a liquid return pipeline (245) is fixedly arranged at a water outlet of the water pump (244), and the tail end of the liquid return pipeline (245) is fixedly connected with the front end of the reaction cylinder (25).
7. A process for the high temperature treatment of combustible fumes according to claim 1, characterized in that: sodium hydroxide solution is contained in the reaction cylinder (25), a feeding pipe (251) is fixedly arranged at the upper end of the right side of the reaction cylinder (25), a threaded cover body (252) is connected to the upper end of the feeding pipe (251) in a threaded connection mode, a partition plate (253) is fixedly arranged at the top end of the inner end of the reaction cylinder (25), the right end of the reaction cylinder (25) is fixedly connected with a tail end pipe (26), the front end and the rear end of the partition plate (253) are fixedly connected with the inner wall of the reaction cylinder (25), and the height of the partition plate (253) is larger than the height between the top of the inner end of the reaction cylinder (25) and the liquid level of the sodium hydroxide solution.
8. The high temperature treatment process for combustible flue gas according to claim 6, wherein: the end pipe (26) is characterized in that branch pipes (261) are symmetrically and fixedly installed around the end, an air quality detector (262) is arranged on the end pipe (26), an alarm (263) is arranged on the air quality detector (262), an electric valve (264) is fixedly installed in each branch pipe (261), and the tail end of each branch pipe (261) on the lower side is fixedly connected with a first communicating pipe (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310226935.0A CN116293741B (en) | 2023-03-10 | 2023-03-10 | High-temperature treatment process for combustible flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310226935.0A CN116293741B (en) | 2023-03-10 | 2023-03-10 | High-temperature treatment process for combustible flue gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116293741A true CN116293741A (en) | 2023-06-23 |
| CN116293741B CN116293741B (en) | 2024-01-16 |
Family
ID=86793681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310226935.0A Active CN116293741B (en) | 2023-03-10 | 2023-03-10 | High-temperature treatment process for combustible flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116293741B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1349123A (en) * | 1972-09-01 | 1974-03-27 | Olesen L F | Smoke control apparatus |
| CN1278320A (en) * | 1998-09-04 | 2000-12-27 | 前岛文夫 | Incinerator for removng noxious substances |
| CN106352359A (en) * | 2016-10-28 | 2017-01-25 | 昆山聚贝机械设计有限公司 | Catalytic combustion treatment device |
| CN106382638A (en) * | 2016-11-19 | 2017-02-08 | 无锡大功机械制造有限公司 | Smoke heat recovery type garbage incinerator |
| CN109611871A (en) * | 2018-12-05 | 2019-04-12 | 陆炯 | A kind of exhaust treatment system and its purification process technique |
| CN211475963U (en) * | 2019-11-27 | 2020-09-11 | 武汉绿信翔环保科技有限公司 | Combustible waste gas incineration treatment device |
| CN112879927A (en) * | 2021-03-18 | 2021-06-01 | 河南省利盈环保科技股份有限公司 | Placenta carbonization processing apparatus |
| CN214275780U (en) * | 2020-07-13 | 2021-09-24 | 胡翔翔 | Low-emission biomass particle combustion furnace |
| CN113686164A (en) * | 2021-08-26 | 2021-11-23 | 合肥日新高温技术有限公司 | Flue gas treatment system of high-temperature carbonization furnace |
| JP6977207B1 (en) * | 2020-09-25 | 2021-12-08 | 南京大学 | Wastewater treatment system for pyridine multicyclic compounds and their processes |
| CN114935151A (en) * | 2022-03-17 | 2022-08-23 | 亚捷(无锡)热工科技有限公司 | Waste gas combustion furnace and waste gas treatment system |
-
2023
- 2023-03-10 CN CN202310226935.0A patent/CN116293741B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1349123A (en) * | 1972-09-01 | 1974-03-27 | Olesen L F | Smoke control apparatus |
| CN1278320A (en) * | 1998-09-04 | 2000-12-27 | 前岛文夫 | Incinerator for removng noxious substances |
| CN106352359A (en) * | 2016-10-28 | 2017-01-25 | 昆山聚贝机械设计有限公司 | Catalytic combustion treatment device |
| CN106382638A (en) * | 2016-11-19 | 2017-02-08 | 无锡大功机械制造有限公司 | Smoke heat recovery type garbage incinerator |
| CN109611871A (en) * | 2018-12-05 | 2019-04-12 | 陆炯 | A kind of exhaust treatment system and its purification process technique |
| CN211475963U (en) * | 2019-11-27 | 2020-09-11 | 武汉绿信翔环保科技有限公司 | Combustible waste gas incineration treatment device |
| CN214275780U (en) * | 2020-07-13 | 2021-09-24 | 胡翔翔 | Low-emission biomass particle combustion furnace |
| JP6977207B1 (en) * | 2020-09-25 | 2021-12-08 | 南京大学 | Wastewater treatment system for pyridine multicyclic compounds and their processes |
| CN112879927A (en) * | 2021-03-18 | 2021-06-01 | 河南省利盈环保科技股份有限公司 | Placenta carbonization processing apparatus |
| CN113686164A (en) * | 2021-08-26 | 2021-11-23 | 合肥日新高温技术有限公司 | Flue gas treatment system of high-temperature carbonization furnace |
| CN114935151A (en) * | 2022-03-17 | 2022-08-23 | 亚捷(无锡)热工科技有限公司 | Waste gas combustion furnace and waste gas treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116293741B (en) | 2024-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100526716C (en) | Plasma medical refuse burning methods | |
| CN104344408B (en) | Salt bearing liquid wastes burns hold concurrently heat reclaiming system and technique | |
| CN206771381U (en) | A kind of pharmaceutical technology emission-control equipment | |
| CN106477921B (en) | A kind of lime burner furnace of environmental protection and energy saving | |
| CN104772114A (en) | Organic adsorption saturated active carbon regeneration device | |
| CN107963796A (en) | A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method | |
| CN106152148A (en) | A kind of burning smelting process system of dangerous waste disposal | |
| CN106594759A (en) | High-risk waste liquid treatment process | |
| CN110121750A (en) | Radioactive waste treatment facility | |
| CN107218607A (en) | Saliferous dangerous waste incinerator molten slag Cyclonic separating apparatus and its separating technology | |
| CN103047658A (en) | Comprehensive incinerator for three wastes | |
| CN204141593U (en) | Salt bearing liquid wastes burns heat reclaiming system of holding concurrently | |
| CN116293741B (en) | High-temperature treatment process for combustible flue gas | |
| CN107057728A (en) | A kind of tar cinder Non-oxygen pyrolytic and tar recovery system and its method | |
| CN206145688U (en) | Dangerous waste disposal burns melting process systems | |
| CN108317525A (en) | A kind of pharmaceutical technology emission-control equipment and processing method | |
| CN201083392Y (en) | Discharge gas or waste liquor combusting oven and combustion system comprising same | |
| CN105861000B (en) | A kind of method of coming out of the stove of pyrocarbon compound | |
| CN210004419U (en) | contain salt high concentration organic wastewater treatment device | |
| CN202109493U (en) | Special incineration equipment for slurry residues generated in production process of organic silicon | |
| CN210832531U (en) | Environment-friendly vertical boiler | |
| CN115264509A (en) | Device and method for recycling chemical tail gas | |
| CN210891671U (en) | Novel secondary combustion chamber with plasma structure and melting structure | |
| CN106517446A (en) | High-risk waste liquid treatment device | |
| CN108361713B (en) | A kind of middle low-level waste hot chemical treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |