CN114198766A - Combustion device for treating wastewater and combustible waste - Google Patents
Combustion device for treating wastewater and combustible waste Download PDFInfo
- Publication number
- CN114198766A CN114198766A CN202111494197.5A CN202111494197A CN114198766A CN 114198766 A CN114198766 A CN 114198766A CN 202111494197 A CN202111494197 A CN 202111494197A CN 114198766 A CN114198766 A CN 114198766A
- Authority
- CN
- China
- Prior art keywords
- furnace
- burner
- hearth
- combustion
- combustible waste
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 31
- 239000002351 wastewater Substances 0.000 title claims abstract description 25
- 239000010849 combustible waste Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002356 single layer Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- XDTRNDKYILNOAP-UHFFFAOYSA-N phenol;propan-2-one Chemical compound CC(C)=O.OC1=CC=CC=C1 XDTRNDKYILNOAP-UHFFFAOYSA-N 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 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
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- 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
-
- 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
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
Abstract
The invention provides a combustion device for treating wastewater and combustible waste, which comprises a hearth, wherein the hearth is a cavity formed by sequentially connecting a furnace top, a furnace body and a discharge hopper, the furnace top is ellipsoidal and is provided with a liquid burner and a gas burner, and the liquid burner is uniformly distributed around the gas burner; the lower part of the furnace body is provided with a supplementary burner for supplementary heating of the hearth; the tail part of the flame below the liquid burner and the gas burner is provided with a plurality of single-layer circumferentially arranged atomizing nozzles for conveying atomized wastewater into the hearth; the lower part of the furnace body is provided with a flue gas outlet; the discharge hopper is connected with a slag cooler. The invention is mainly used for treating waste water and combustible waste materials in boilers and the like.
Description
Technical Field
The invention relates to a combustion device, in particular to a combustion device for treating waste water and combustible waste materials.
Background
In modern industrial production, sewage and combustible waste are produced in various industries, such as phenol-acetone waste tar, waste gas, salt-containing waste water and the like in the petrochemical industry, all liquids belong to chemical hazardous waste, and the economic cost or the environmental cost consumed by discharge of the waste liquid is very high. People can easily think that the incineration treatment and the comprehensive utilization are realized, but, for example, the simultaneous combustion treatment of phenol-acetone waste tar, waste gas and waste water is a plurality of complex combustion processes, and how to find a scheme for realizing the stable combustion and the effective utilization of the heat energy is a difficult point which needs to be overcome by designers.
Disclosure of Invention
The invention aims to provide a combustion device for treating waste water and combustible waste materials.
The technical scheme adopted by the implementation of the invention is that the furnace comprises a hearth, wherein the hearth is a cavity formed by sequentially connecting a furnace top, a furnace body and a discharge hopper, the furnace top is in an ellipsoidal shape and is provided with a liquid burner and a gas burner, and the liquid burners are uniformly distributed around the gas burner; the lower part of the furnace body is provided with a supplementary burner for continuously heating the hearth; the tail part of the flame below the liquid burner and the gas burner is provided with a plurality of single-layer circumferentially arranged atomizing nozzles for conveying atomized wastewater into the hearth; the lower part of the furnace body is provided with a flue gas outlet; the discharge hopper is connected with a slag cooler.
Furthermore, the cross section of the hearth is circular and is of a vertically arranged tower structure.
Further, the discharge hopper is arranged on the base.
Further, the furnace top is connected with the furnace body through a flange.
Further, the hearth is provided with an explosion door.
Further, the combustion temperature of the hearth is kept at 1100 ℃, the flue gas speed of the hearth is 5m/s, and the height of the hearth meets the condition that the combustion time of the waste entering the hearth is more than or equal to 2 seconds.
The invention has the advantages that the combustion dynamic field can be effectively organized, the combustion stability is ensured, and organic and toxic substances in the waste liquid under various working conditions are effectively decomposed and destroyed; the afterburner is arranged at the lower part of the hearth and used for preventing blockage, if low-temperature crystals appear, the afterburner is heated, liquid slag is discharged after the crystals melt, and high-temperature liquid slag is not easy to block compared with other solid slag; the wastewater atomizing nozzles are uniformly distributed in a single-layer circumference manner, the single-layer circumference arrangement is favorable for forming uniform atomizing cross sections, the high-temperature flue gas of flame generates rapid reaction when penetrating the atomizing cross sections, and the instantaneous mixed combustion is complete. The waste water atomizing nozzle is arranged at the tail end of the flame of the burner, so that waste water can be uniformly atomized without influencing the combustion of waste tar and waste gas; the furnace top and the furnace body adopt a flange connection structure, so that the disassembly and the maintenance are convenient; the furnace top adopts an ellipsoidal structure, so that the burners are conveniently and uniformly arranged on the furnace top, the large-scale incineration heat power of the incinerator is favorably realized, and the combustion temperature field is uniform.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Detailed Description
Referring to fig. 1 and 2, a furnace top 3, a furnace body 12 and a discharge hopper 9 are sequentially connected to form a cavity of a hearth 1 and then fixed on a base 8. The furnace top 3 is provided with liquid burners 4a, 4b, 4c and 4d and a gas burner 5, and the lower part of a furnace body 12 is provided with an afterburner 11 for the supplementary heating of the hearth 1; the flame tails below the liquid burners 4a, 4b, 4c and 4d and the gas burner 5 are provided with single-layer circumferentially and uniformly distributed atomizing nozzles 2a and 2b, and the lower part of the furnace body 12 is provided with a flue gas outlet 7; the bottom of the discharge hopper 9 is provided with a slag discharge port which is connected with a slag cooler 10. The slag discharge port is arranged at the outlet end of the conical discharge hopper 9, the afterburner 11 is arranged at the inlet end of the conical discharge hopper 9, if the combustion waste is crystallized at low temperature, the afterburner 11 is started during operation, and the supplementary combustion heating is carried out to melt the crystals and then carry out liquid-state slag discharge to prevent blockage.
In this embodiment, the furnace top 3 is in an ellipsoidal shape, the furnace body 12 is in a cylindrical shape, and the furnace body 12 is provided with a boiler explosion door 6 for safe operation. The furnace top 3 is connected with the furnace body 12 by a flange 5, so that the maintenance and the disassembly are convenient. The liquid burners 4a, 4b, 4c, 4d are evenly distributed around the gas burner 5, i.e. circumferentially evenly distributed. The liquid burners 4a, 4b, 4c, 4d burn waste tar, and the gas burner 5 burns exhaust gas. At the flame tails of the liquid burners 4a, 4b, 4c, 4d and the gas burner 5, waste water atomizing nozzles 2a, 2b are provided. The structure can meet the requirement of stable combustion decomposition of waste water and combustible waste materials.
When the combustion temperature of the hearth 1 is kept at about 1100 ℃, the flue gas speed of the hearth 1 is kept at about 5m/s, the height of the hearth 1 meets the condition that the combustion time of the waste materials entering the hearth is equal to or more than 2 seconds, and the stable combustion decomposition effect is obvious.
As for the lining of the hearth 1, corundum bricks which are high temperature resistant and resistant to high temperature corrosion of sodium salt are adopted, and corundum masonry mortar adopts materials which are heat resistant and resistant to acid corrosion, and has the same characteristics of the corundum bricks.
And for the slag discharging mode, slag is discharged in a liquid state, sodium salt slag in a molten state passes through a water-cooling double-helix slag discharging machine from a cone at the bottom of the incinerator, is cooled from a high-temperature liquid state to a solid state, is crushed and then is discharged into a scraper conveyor, and is conveyed to a storage room. The slag tapping device can regulate and control the slag tapping quantity, an outlet valve is arranged to prevent air from flowing backwards and penetrating into the incinerator, and slag tapping to cooling is completed in the heat insulation negative pressure chamber.
The ellipsoidal furnace top of this embodiment is convenient for the combustor to arrange and burns the large-scale design of burning furnace, can satisfy waste tar, waste gas, waste water high temperature incineration disposal simultaneously. Can fully carry out high-temperature combustion treatment on phenol-acetone waste tar, waste gas and waste water at the same time, effectively decompose and destroy various organic and toxic substances, and the structure can ensure continuous, safe and stable operation. The wastewater atomizing nozzles are uniformly distributed in a single-layer circumference manner, namely, the wastewater atomizing nozzles are uniformly distributed on the circumference of the same cross section of the furnace body 12, so that a uniform atomizing section is favorably formed, high-temperature flue gas of flame generates a quick reaction when penetrating through the atomizing section, and the instantaneous mixed combustion is complete.
Claims (6)
1. A combustion device for treating wastewater and combustible waste is characterized by comprising a hearth, wherein the hearth is a cavity formed by sequentially connecting a furnace top, a furnace body and a discharge hopper, the furnace top is ellipsoidal and is provided with a liquid burner and a gas burner, and the liquid burners are uniformly distributed around the gas burner; the lower part of the furnace body is provided with a supplementary burner for continuously heating the hearth; the tail part of the flame below the liquid burner and the gas burner is provided with a plurality of single-layer circumferentially arranged atomizing nozzles for conveying atomized wastewater into the hearth; the lower part of the furnace body is provided with a flue gas outlet; the discharge hopper is connected with a slag cooler.
2. A combustion unit for the treatment of wastewater and combustible waste material according to claim 1, wherein the furnace is circular in cross-section and has a tower structure arranged vertically.
3. A combustion unit for the treatment of waste water and combustible waste material according to claim 1, characterised in that the hopper is placed on a base.
4. A burner apparatus for the treatment of wastewater and combustible waste material according to claim 3 wherein the furnace roof is flanged to the furnace body.
5. A combustion unit for the treatment of waste water and combustible waste material according to claim 1, wherein the furnace is provided with an explosion vent.
6. The combustion plant according to claim 1, characterized in that the combustion temperature of the furnace is maintained at 1100 ℃, the flue gas velocity of the furnace is 5m/s, and the height of the furnace is such that the combustion time of the waste into the furnace is more than or equal to 2 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494197.5A CN114198766A (en) | 2021-12-08 | 2021-12-08 | Combustion device for treating wastewater and combustible waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494197.5A CN114198766A (en) | 2021-12-08 | 2021-12-08 | Combustion device for treating wastewater and combustible waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114198766A true CN114198766A (en) | 2022-03-18 |
Family
ID=80651360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111494197.5A Pending CN114198766A (en) | 2021-12-08 | 2021-12-08 | Combustion device for treating wastewater and combustible waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114198766A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893437Y (en) * | 2005-10-14 | 2007-04-25 | 宜兴市恒泰环保设备有限公司 | Waste liquid and/or waste gas incinerator |
| CN201322307Y (en) * | 2008-11-27 | 2009-10-07 | 南京中船绿洲环保设备工程有限责任公司 | Multifunctional incinerator |
| CN202419675U (en) * | 2011-12-21 | 2012-09-05 | 江苏一环集团有限公司 | Gas-liquid integrated incineration device |
| CN202647790U (en) * | 2012-05-30 | 2013-01-02 | 南京宜热纵联节能科技有限公司 | Waste liquid and waste gas burning furnace |
| CN104930522A (en) * | 2015-06-24 | 2015-09-23 | 山东华源锅炉有限公司 | Multi-phase vertical high-temperature suspension-burning harmless incineration boiler |
| CN109945202A (en) * | 2019-04-04 | 2019-06-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of liquid waste incinerator with U-shaped burner hearth |
-
2021
- 2021-12-08 CN CN202111494197.5A patent/CN114198766A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893437Y (en) * | 2005-10-14 | 2007-04-25 | 宜兴市恒泰环保设备有限公司 | Waste liquid and/or waste gas incinerator |
| CN201322307Y (en) * | 2008-11-27 | 2009-10-07 | 南京中船绿洲环保设备工程有限责任公司 | Multifunctional incinerator |
| CN202419675U (en) * | 2011-12-21 | 2012-09-05 | 江苏一环集团有限公司 | Gas-liquid integrated incineration device |
| CN202647790U (en) * | 2012-05-30 | 2013-01-02 | 南京宜热纵联节能科技有限公司 | Waste liquid and waste gas burning furnace |
| CN104930522A (en) * | 2015-06-24 | 2015-09-23 | 山东华源锅炉有限公司 | Multi-phase vertical high-temperature suspension-burning harmless incineration boiler |
| CN109945202A (en) * | 2019-04-04 | 2019-06-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of liquid waste incinerator with U-shaped burner hearth |
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| SE01 | Entry into force of request for substantive examination |