CN219530866U - Dangerous waste incineration overall process waste heat recovery system - Google Patents
Dangerous waste incineration overall process waste heat recovery system Download PDFInfo
- Publication number
- CN219530866U CN219530866U CN202320248574.5U CN202320248574U CN219530866U CN 219530866 U CN219530866 U CN 219530866U CN 202320248574 U CN202320248574 U CN 202320248574U CN 219530866 U CN219530866 U CN 219530866U
- Authority
- CN
- China
- Prior art keywords
- inlet
- outlet
- waste heat
- waste
- heat boiler
- 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.)
- Active
Links
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model relates to the field of clean utilization of waste resources, in particular to a waste heat recovery system in the whole process of hazardous waste incineration, which comprises a waste liquid inlet pipeline, a waste gas inlet pipeline, an incinerator, a secondary combustion chamber, a medium-pressure waste heat boiler, a steam superheater, a heat conducting oil heater, a low-pressure waste heat boiler, a dry deacidification reactor, a bag-type dust collector, a wet deacidification system, a wet electric demister, an induced draft fan, a bypass valve and a chimney; the incinerator is communicated with a waste liquid inlet pipeline and a waste gas inlet pipeline, the incinerator is connected with a secondary combustion chamber inlet, a secondary combustion chamber outlet is connected with a medium-pressure waste heat boiler inlet, a medium-pressure waste heat boiler outlet is connected with a steam superheater inlet, and a steam superheater outlet is connected with a heat conduction oil heater inlet. The whole-process waste heat recovery system for dangerous waste incineration can realize dangerous waste incineration and whole-process waste heat recovery.
Description
Technical Field
The utility model relates to the field of clean utilization of waste resources, in particular to a waste heat recovery system in the whole process of hazardous waste incineration.
Background
With the further development of the economy in China, more and more dangerous wastes are generated in the industrial production, and the fatal large-area influence is brought to the surrounding environment. Therefore, the treatment and disposal of dangerous wastes have been attracting more and more attention in various aspects at home and abroad. The incineration treatment technology of the dangerous waste at present becomes one of the main treatment technologies in China increasingly, has the advantages of stable treatment effect, high efficiency, good volume reduction and the like, and is widely applied to the countries with developed economy at present.
Compared with developed countries, the whole technology of the hazardous waste incineration technology in China in the present stage is low in level, and particularly in the aspect of incineration heat energy recycling, the energy resource recycling means is single, the equipment is rough and crude, and a large amount of resource waste is caused. The whole process incineration and waste heat recovery cannot be comprehensively realized by the existing hazardous waste incineration and waste heat recovery system, so that the research and development of the whole process waste heat recovery technology for hazardous waste incineration has very important significance for energy recycling and energy consumption reduction. Patent CN114618282a discloses a device and a method for purifying and recovering hazardous waste incineration flue gas, which can deeply purify the flue gas, but the method has low energy cascade utilization efficiency, can not provide a heat conducting oil heating process, and can not realize wet deacidification. Patent CN215675222U discloses a waste heat utilization energy saving system of a hazardous waste incineration disposal system, but the system can only provide steam and the pollutant treatment level is low. Patent CN114177761a discloses a system and a method for ultra-low emission of hazardous waste incineration flue gas pollutants, but the system is too complex in process, high in price and long in investment cost recovery period.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a waste heat recovery system for the whole process of dangerous waste incineration, which can realize the advantages of dangerous waste incineration and whole process waste heat recovery.
In order to solve the technical problems, the utility model adopts the following technical scheme: a hazardous waste incineration overall process waste heat recovery system, comprising:
the device comprises a waste liquid inlet pipeline, a waste gas inlet pipeline, an incinerator, a secondary combustion chamber, a medium-pressure waste heat boiler, a steam superheater, a heat conduction oil heater, a low-pressure waste heat boiler, a dry deacidification reactor, a bag-type dust remover, a wet deacidification system, a wet electric demister, an induced draft fan, a bypass valve and a chimney;
the waste liquid feeding pipeline and the waste gas feeding pipeline are communicated with the incinerator, the incinerator is connected with the two-combustion-chamber inlet, the two-combustion-chamber outlet is connected with the medium-pressure waste heat boiler inlet, the medium-pressure waste heat boiler outlet is connected with the steam superheater inlet, the steam superheater outlet is connected with the heat conduction oil heater inlet, the heat conduction oil heater outlet is connected with the low-pressure waste heat boiler inlet, the low-pressure waste heat boiler outlet is connected with the dry deacidification reactor inlet, the dry deacidification reactor outlet is connected with the cloth bag dust remover inlet, the cloth bag dust remover outlet is connected with the wet deacidification system inlet, the wet deacidification system outlet is connected with the wet electric defogger inlet, the wet electric defogger outlet is connected with the induced draft fan, and the induced fan outlet is connected with the chimney inlet through the bypass valve.
The technical scheme is realized, in order to better utilize waste liquid and waste gas, firstly, the waste liquid and waste gas is conveyed into the incinerator through the waste liquid inlet pipeline (1) and the waste gas inlet pipeline, and the incinerator consists of a horizontal incineration section and a vertical incineration section. Waste liquid enters the hearth from the burner at the end part of the horizontal incineration section for incineration, high-heat-value waste gas enters the hearth from the vertical incineration section through the burner spray gun, and combustion air and low-heat-value waste gas are introduced through the furnace body distributed pipeline. The front section is a waste liquid incineration section, so that the generation of nitrogen oxides can be greatly reduced, the incineration rate is improved, the temperature of flue gas in the vertical incineration section is kept to be more than or equal to 1100 ℃, the flue gas enters a secondary combustion chamber, a manhole door and an ash removal port are arranged at the bottom of the secondary combustion chamber, and an explosion venting door is arranged at the upper part of the secondary combustion chamber. After the flue gas stays in the secondary combustion chamber for two seconds, the incineration effect is ensured, and the temperature of the flue gas at the outlet of the secondary combustion chamber is about 1100 ℃.
The water-cooled wall medium-pressure waste heat boiler and the low-pressure waste heat boiler are arranged in the system, so that ash blockage caused by high-temperature ash melting adsorption can be reduced, and heat energy generated by incineration is fully utilized to produce saturated steam. The boiler is of a water-cooled wall water pipe combined structure and is provided with a mechanical vibration ash removing device. The waste heat boiler adopting the water-cooled wall water pipe combined structure has the advantages that the waste heat boiler is in radiation heat exchange in a high temperature area, so that direct contact between smoke and a furnace pipe is reduced, and deposition of easily-condensed and easily-coked components in the smoke on the pipe wall is reduced. Uniformly spraying urea aqueous solution on a flue gas inlet of a waste heat boiler and a water cooling wall with the temperature of 850-1050 ℃ to react with nitrogen oxides in the flue gas, thereby achieving the purpose of removing and reducing the nitrogen oxides in the flue gas.
And (3) generating superheated steam after the flue gas from the boiler enters a steam superheater, cooling the flue gas by entering a heat conducting oil heater, wherein the return oil temperature of the heat conducting oil is 230 ℃, the oil outlet temperature is about 250 ℃, and the heated steam and the heat conducting oil serve the whole plant system.
The flue gas leaves the heat conducting oil heater and enters a low-pressure waste heat boiler, and the flue gas is further cooled to about 200-230 ℃. And both the conduction oil convection section and the low-pressure boiler are provided with ash hoppers, and ash blowing openings are reserved.
Flue gas with the outlet of the low-pressure waste heat boiler at about 200 ℃ enters the tower body from the bottom of the dry deacidification tower of the dry deacidification reactor, and slaked lime and activated carbon powder are sprayed in to absorb acidic substances with high dew points, heavy metals and trace dioxins possibly generated. The spray inlet can uniformly spray slaked lime powder (Ca (OH) 2) and activated carbon into the deacidification tower through the slaked lime and activated carbon conveying mechanism, and neutralization reaction is carried out on the Ca (OH) 2 and P2O5, SO2, SO3, HCl, HF and the like in the flue gas, SO that a preliminary deacidification effect is achieved.
The flue gas passing through the bag-type dust remover is sent into a re-spraying scrubber by an induced draft fan to be cooled, then the temperature of the flue gas is reduced to about 55-75 ℃ by a wet deacidification tower (a spray tower), and then the flue gas enters an alkaline washing deacidification tower (a filling tower), is washed in the tower by circulating alkali liquor, and is supplemented with fresh alkali liquor according to the control of the PH value. The waste liquid with the salt content reaching a certain degree is sent to a sewage treatment system for treatment. It is possible that residual acid gases in the flue gas are neutralized and absorbed. The deacidified flue gas is dedusted by a bag type dust remover, and when the flue gas passes through the filter bag, dust is blocked on the outer surface of the filter bag. And collecting the fly ash in the cloth bag, and then sending the fly ash out for landfill treatment.
The incineration system is operated under negative pressure, the negative pressure of the system is provided by a draught fan, the draught fan is a variable frequency draught fan, and the frequency of the draught fan is controlled according to the negative pressure of the incinerator.
The waste liquid tank and the waste liquid pump are arranged for the residual liquid at the bottom of the kettle, the waste liquid is pressurized to a certain pressure and is supplied to the burner, and the waste liquid is atomized by adopting steam.
The specific flow of the device and the system is as follows: the fuel is sprayed into the incineration furnace chamber (first combustion chamber and second combustion chamber) through the burner to be fully combusted, the generated high-temperature flue gas exchanges heat with boiler water in the furnace tube in the medium-pressure waste heat boiler (namely, a film type wall boiler) to generate steam, the waste heat of the flue gas is fully utilized, the heat efficiency of the system is improved, the superheater and the low-pressure waste heat boiler (namely, a low-pressure evaporator) are arranged behind the medium-pressure waste heat boiler, and the generated low-pressure steam is used for deoxidizing or producing, and meanwhile, the flue gas temperature is further reduced. The conduction oil heating section is arranged between the superheater and the low-pressure waste heat boiler, absorbs heat and then is integrated into the conduction oil heating system. And the heat-exchanged flue gas is pumped to a chimney by an induced draft fan and discharged into the atmosphere after passing through a flue gas purification system, wherein a part of the flue gas is pumped to a white-eliminating heating furnace by a white-eliminating induced draft fan and heated and discharged into the atmosphere after passing through the chimney (the flue gas flow can be regulated according to the external actual environment temperature so as to control the outlet temperature to eliminate white smoke). The normal temperature air and the low concentration waste gas are sent into the incinerator by a primary blower and a secondary blower to support combustion.
In one embodiment of the utility model, the wet deacidification system comprises a re-spray scrubber, a first-stage scrubber and a second-stage scrubber, wherein the outlet of the bag-type dust collector is connected with the inlet of the re-spray scrubber, the outlet of the re-spray scrubber is connected with the inlet of the first-stage scrubber, the outlet of the first-stage scrubber is connected with the inlet of the second-stage scrubber, and the outlet of the second-stage scrubber is connected with the inlet of the wet electric demister (14).
The technical scheme is realized, and deacidification operation is carried out through the first-stage washing tower and the second-stage washing tower.
In one embodiment of the utility model, the bottom of the two combustion chambers is provided with a manhole door and an ash removing opening, and the upper part of the two combustion chambers is provided with an explosion venting door.
The technical scheme is realized, so that the secondary combustion chamber can be safely used.
In an embodiment of the utility model, the outlet of the induced draft fan is connected with the inlet of the first white-removing fan at the same time, the outlet of the first white-removing fan is connected with the smoke white-removing heating device, the smoke white-removing heating device is connected with the inlet of the second white-removing fan, and the outlet of the second white-removing fan is connected with the inlet of the chimney.
By means of the technical scheme, white smoke is eliminated through the arrangement.
In one embodiment of the utility model, the secondary combustion chamber is connected to an SNCR denitration system.
By means of the technical scheme, denitration operation is performed through the arrangement.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model can realize dangerous waste incineration and overall process waste heat recovery. Aiming at the defects of the existing hazardous waste incineration system, the utility model discloses a system and a method for whole-process hazardous waste incineration and waste heat recovery. The system not only realizes the full combustion of dangerous wastes, but also realizes the aim of environmental protection emission in an energy cascade utilization mode, and can meet the requirements of steam and heat conduction oil on the user side in all weather.
2. The system has reliable process flow, is operated by construction of a plurality of entity projects, and has low overall investment. Through actual engineering project verification, the system can fully solve the problems of low energy efficiency, poor economical efficiency and the like existing in the current hazardous waste incineration process, and improves the capability of absorbing hazardous waste resources. The material selection, the material selection and the installation of the system are based on domestic purchasing according to the national related standard specification requirements and the actual demands of enterprises, so that the project cost is obviously reduced.
3. The problem of the phosphoric acid corrosion that current danger useless incineration system can't handle is solved. Slaked lime and activated carbon powder are sprayed through an activated carbon spraying system so as to absorb acidic substances with high dew points, heavy metals and trace dioxins possibly generated. The technology of an active carbon reactor is adopted, slaked lime powder (Ca (OH) 2) and active carbon are uniformly sprayed into a deacidification tower through a slaked lime and active carbon conveying mechanism, and neutralization reaction occurs between the Ca (OH) 2 and P2O5, SO2, SO3, HCl, HF and the like in flue gas.
4. The problems of ash deposition, slag formation, corrosion and the like are avoided, and the overall heat exchange utilization efficiency of the system is high. The water cooling wall of the waste heat boiler and the position easy to form slag and dust are both provided with mechanical vibration and shock wave ash removing devices, so that the thermal resistance is reduced, and the heat transfer efficiency of a heating surface is improved.
5. The heat conducting oil capable of being recycled is provided. The system realizes the efficient cascade utilization of energy, and because the hazardous waste incineration and waste heat recovery system needs to utilize heat conduction oil as an intermediate heat exchange medium, the project utilizes the intermediate temperature flue gas at the tail of the system to heat the heat conduction oil, thereby providing heat for the system.
6. And an expensive dioxin removing device with low removing efficiency is not required to be arranged. The flue gas is kept at a temperature of more than or equal to 1100 ℃ in the vertical incinerator and enters the secondary combustion chamber, when the flue gas leaves the outlet of the secondary combustion chamber after being kept for more than 2 seconds, the temperature of the flue gas is more than or equal to 1100 ℃, the combustion of pollutants such as dioxin can be ensured, the pollution control standard of hazardous waste combustion (GB 1884-2020) is reached, a manhole door and a dust removing opening are arranged at the bottom of the incinerator, and a explosion venting door is arranged at the upper part of the incinerator so as to ensure safety. Most of the existing dioxin removing devices in the market have poor effect and high fluctuation of removing efficiency.
Drawings
The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a schematic flow diagram of a system according to an embodiment of the utility model.
Reference numerals in the drawings: 1. a waste liquid inlet pipeline; 2. an exhaust gas inlet pipe; 3. an incinerator; 4. a secondary combustion chamber; 5. a medium pressure waste heat boiler; 6. a steam superheater; 7. a heat conducting oil heater; 8. a low pressure waste heat boiler; 9. a dry deacidification reactor; 10. a bag-type dust collector; 11. a re-spraying scrubber; 12. a first-stage washing tower; 13. a second-stage scrubber; 14. a wet electric mist eliminator; 15. an induced draft fan; 16. a bypass valve; 17. a chimney; 18. a first white-removing fan; 19. a flue gas whitening and heating device; 20. and a second white-eliminating fan.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1; it should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
An embodiment according to the utility model is shown in connection with fig. 1. A hazardous waste incineration overall process waste heat recovery system, comprising:
a waste liquid inlet pipeline 1, a waste gas inlet pipeline 2, an incinerator 3, a secondary combustion chamber 4, a medium-pressure waste heat boiler 5, a steam superheater 6, a heat conduction oil heater 7, a low-pressure waste heat boiler 8, a dry deacidification reactor 9, a bag-type dust remover 10, a wet deacidification system, a wet electric demister 14, an induced draft fan 15, a bypass valve 16 and a chimney 17;
the incinerator 3 is communicated with a waste liquid inlet pipeline 1 and a waste gas inlet pipeline 2, the incinerator 3 is connected with an inlet of a secondary combustion chamber 4, an outlet of the secondary combustion chamber 4 is connected with an inlet of a medium-pressure waste heat boiler 5, an outlet of the medium-pressure waste heat boiler 5 is connected with an inlet of a steam superheater 6, an outlet of the steam superheater 6 is connected with an inlet of a heat conduction oil heater 7, an outlet of the heat conduction oil heater 7 is connected with an inlet of a low-pressure waste heat boiler 8, an outlet of the low-pressure waste heat boiler 8 is connected with an inlet of a dry deacidification reactor 9, an outlet of the dry deacidification reactor 9 is connected with an inlet of a cloth bag dust remover 10, an outlet of the cloth bag dust remover 10 is connected with an inlet of a wet deacidification system, an outlet of the wet deacidification system is connected with an inlet of a wet electric defogger 14, an outlet of the wet electric defogger is connected with a draught fan 15, and an outlet of the draught fan 15 is connected with an inlet of a chimney 17 through a bypass valve 16. The bottom of the secondary combustion chamber 4 is provided with a manhole door and an ash removal port, and the upper part is provided with an explosion venting door.
The utility model utilizes industrial dangerous waste gas and waste liquid, the fuel is sprayed into the combustion furnace 3 bore through the burner to fully burn, the generated high temperature flue gas exchanges heat with boiler feed water in the furnace tube in the medium pressure waste heat boiler 5, namely the film wall boiler to generate steam, in order to fully utilize the flue gas waste heat and improve the heat efficiency of the system, the steam superheater 6 and the low pressure waste heat boiler 8, namely the low pressure evaporator, are arranged behind the medium pressure waste heat boiler 5, and the generated low pressure steam is used for deoxidizing or producing, and simultaneously, the flue gas temperature is further reduced. The conduction oil heater 7 is arranged between the steam superheater 6 and the low-pressure waste heat boiler 8, absorbs heat and then is incorporated into a conduction oil heating system. And the heat-exchanged flue gas is pumped to a chimney 17 by a draught fan 15 and discharged into the atmosphere after passing through a flue gas purification system.
The wet deacidification system comprises a re-spraying washer 11, a first-stage washing tower 12 and a second-stage washing tower 13, wherein the outlet of the bag-type dust remover 10 is connected with the inlet of the re-spraying washer 11, the outlet of the re-spraying washer 11 is connected with the inlet of the first-stage washing tower 12, the outlet of the first-stage washing tower 12 is connected with the inlet of the second-stage washing tower 13, and the outlet of the second-stage washing tower 13 is connected with the inlet of the wet electric demister 14.
The waste gas and the waste liquid are deacidified by the first-stage washing tower 12 and the second-stage washing tower 13.
The outlet of the induced draft fan 15 is connected with the inlet of the first white-removing fan 18 at the same time, the outlet of the first white-removing fan 18 is connected with the smoke white-removing heating device 19, the smoke white-removing heating device 19 is connected with the inlet of the second white-removing fan 20, and the outlet of the second white-removing fan 20 is connected with the inlet of the chimney 17. The secondary combustion chamber 4 is connected with an SNCR denitration system.
One part of the white smoke is pumped to the smoke white-removing heating device 18 by the first white-removing fan 18, and then discharged to the atmosphere through the second white-removing fan 20 to the chimney 17, so that the smoke flow can be regulated according to the external actual environment temperature, and the outlet temperature is controlled to remove white smoke. The normal temperature air and the low concentration waste gas are sent into the incinerator by a primary blower and a secondary blower to support combustion.
In this embodiment, the specific flow of the device and the system is as follows: the fuel is sprayed into the hearth of the incinerator 3 through the burner to be fully combusted, the generated high-temperature flue gas exchanges heat with boiler water in the furnace tube in the medium-pressure waste heat boiler 5, namely the film wall boiler to generate steam, the heat transfer oil superheater 7 and the low-pressure waste heat boiler 8, namely the low-pressure evaporator, are arranged behind the medium-pressure waste heat boiler 5 to fully utilize the flue gas waste heat and improve the heat efficiency of the system, and the generated low-pressure steam is used for deoxidizing or producing and simultaneously further reducing the flue gas temperature. The conduction oil heater 7 is arranged between the steam superheater 6 and the low-pressure waste heat boiler 8, absorbs heat and then is incorporated into a conduction oil heating system. After passing through the flue gas purification system, the heat-exchanged flue gas is pumped to a chimney 17 by an induced draft fan 15 and is discharged into the atmosphere, wherein part of the flue gas is pumped to the chimney 17 by a white smoke eliminating induced draft fan 15 and is discharged into the atmosphere, and the flue gas flow can be regulated according to the external actual environment temperature, so that the outlet temperature is controlled to eliminate white smoke. The normal temperature air and the low concentration waste gas are sent into the incinerator by a primary blower and a secondary blower to support combustion.
The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a danger useless whole process waste heat recovery system that burns which characterized in that includes:
the device comprises a waste liquid inlet pipeline (1), a waste gas inlet pipeline (2), an incinerator (3), a secondary combustion chamber (4), a medium-pressure waste heat boiler (5), a steam superheater (6), a heat conducting oil heater (7), a low-pressure waste heat boiler (8), a dry deacidification reactor (9), a bag-type dust remover (10), a wet deacidification system, a wet electric demister (14), an induced draft fan (15), a bypass valve (16) and a chimney (17);
the utility model discloses a wet deacidification system is characterized in that a waste liquid inlet pipeline (1) and a waste gas inlet pipeline (2) are communicated with each other on an incinerator (3), the incinerator (3) is connected with a two-fuel chamber (4) inlet, a two-fuel chamber (4) outlet is connected with a medium-pressure waste heat boiler (5) inlet, a medium-pressure waste heat boiler (5) outlet is connected with a steam superheater (6) inlet, a steam superheater (6) outlet is connected with a heat conduction oil heater (7) inlet, a heat conduction oil heater (7) outlet is connected with a low-pressure waste heat boiler (8) inlet, a low-pressure waste heat boiler (8) outlet is connected with a dry deacidification reactor (9) inlet, a dry deacidification reactor (9) outlet is connected with a cloth bag dust remover (10) inlet, a wet deacidification system outlet is connected with a wet electric demister (14) inlet, a wet electric demister outlet is connected with a draught fan (15) inlet through a bypass valve (16) and a chimney (17) inlet.
2. The hazardous waste incineration overall process waste heat recovery system according to claim 1, wherein the wet deacidification system comprises a re-spraying washer (11), a first-stage washing tower (12) and a second-stage washing tower (13), wherein an outlet of the bag-type dust remover (10) is connected with an inlet of the re-spraying washer (11), an outlet of the re-spraying washer (11) is connected with an inlet of the first-stage washing tower (12), an outlet of the first-stage washing tower (12) is connected with an inlet of the second-stage washing tower (13), and an outlet of the second-stage washing tower (13) is connected with an inlet of the wet electric demister (14).
3. The system for recycling waste heat in the whole process of hazardous waste incineration according to claim 2, wherein a manhole door and an ash removal opening are arranged at the bottom of the secondary combustion chamber (4), and an explosion venting door is arranged at the upper part of the secondary combustion chamber.
4. A hazardous waste incineration overall process waste heat recovery system according to claim 3, wherein the outlet of the induced draft fan (15) is connected with the inlet of a first white-removing fan (18) at the same time, the outlet of the first white-removing fan (18) is connected with a flue gas white-removing heating device (19), the flue gas white-removing heating device (19) is connected with the inlet of a second white-removing fan (20), and the outlet of the second white-removing fan (20) is connected with the inlet of a chimney (17).
5. The hazardous waste incineration overall process waste heat recovery system according to claim 4, wherein the secondary combustion chamber (4) is connected with an SNCR denitration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320248574.5U CN219530866U (en) | 2023-02-17 | 2023-02-17 | Dangerous waste incineration overall process waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320248574.5U CN219530866U (en) | 2023-02-17 | 2023-02-17 | Dangerous waste incineration overall process waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219530866U true CN219530866U (en) | 2023-08-15 |
Family
ID=87627097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320248574.5U Active CN219530866U (en) | 2023-02-17 | 2023-02-17 | Dangerous waste incineration overall process waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219530866U (en) |
-
2023
- 2023-02-17 CN CN202320248574.5U patent/CN219530866U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109458623B (en) | High-salt-content high-chlorine-content organic waste liquid incineration environment-friendly energy-saving discharge system | |
| CN110917843A (en) | Waste incineration energy-saving flue gas ultralow purification system | |
| WO2021114084A1 (en) | Energy-saving ultralow flue gas purification system for waste incineration | |
| CN204593400U (en) | A kind of industry danger waste burning system of multiple physical states | |
| CN105627335A (en) | Ultra-clean treatment method for incinerated tail gas | |
| CN102168857B (en) | High-concentration saliferous organic waste liquid incinerator and incineration technique | |
| CN100358800C (en) | Electric furnace method yellow phosphorus tail gas residual heat comprehensive balance utilizing system | |
| CN104676606A (en) | Innocent treatment method for acrylic acid and ester waste liquid thereof | |
| CN210699488U (en) | Full-green clean production process equipment for glass kiln | |
| CN112121614A (en) | Stable ultralow emission device and method for solid waste incineration flue gas | |
| CN113701170A (en) | Hazardous waste incineration system and operation process thereof | |
| CN113776061A (en) | Hazardous waste incineration flue gas purification and waste heat recovery device and method thereof | |
| CN111473352A (en) | Purification and emission equipment for urban garbage incineration flue gas and purification treatment method thereof | |
| CN212188526U (en) | Flue gas treatment system after sludge treatment | |
| CN209415471U (en) | A kind of acrylonitrile salty organic waste liquid and burned waste gas environmental protection and energy saving exhaust system | |
| CN215138502U (en) | Advanced treatment system for waste incineration flue gas | |
| CN110425548A (en) | Chemical industry saliferous raffinate incineration system and its burning process | |
| CN208809774U (en) | A kind of ultra-clean purification system of flue gas | |
| CN212025143U (en) | Contain Cu industrial sludge danger useless resourceful treatment system | |
| CN112546832A (en) | Advanced treatment system and treatment method for waste incineration flue gas | |
| CN211502852U (en) | Smoke tower integrated waste incineration smoke purification treatment device | |
| CN202074532U (en) | High concentration salt bearing organic waste liquid incinerator | |
| CN209909935U (en) | Liquid hazardous waste burns system | |
| CN219530866U (en) | Dangerous waste incineration overall process waste heat recovery system | |
| CN216953078U (en) | Flue gas treatment system for waste incineration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |