CN220624048U - Two-stage drying, preheating and burning system for high-moisture gasified ash - Google Patents
Two-stage drying, preheating and burning system for high-moisture gasified ash Download PDFInfo
- Publication number
- CN220624048U CN220624048U CN202322352303.7U CN202322352303U CN220624048U CN 220624048 U CN220624048 U CN 220624048U CN 202322352303 U CN202322352303 U CN 202322352303U CN 220624048 U CN220624048 U CN 220624048U
- Authority
- CN
- China
- Prior art keywords
- communicated
- inlet
- outlet
- preheating
- moisture
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 65
- 238000003860 storage Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000002309 gasification Methods 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model relates to the technical field of recycling of gasified ash, and provides a two-stage drying, preheating and incinerating system for high-moisture gasified ash, which comprises the following components: an incineration boiler; the inlet of the separator is communicated with the smoke outlet of the incineration boiler; the inlet of the spiral stirrer is communicated with the solid outlet of the separator, and the outlet of the spiral stirrer is communicated with the hearth of the incineration boiler; the inlet of the drying cylinder is communicated with the gas outlet of the separator, the gas outlet of the drying cylinder is communicated with the inlet of the dust remover, and the solid outlet of the drying cylinder is communicated with the gasified ash storage bin; the inlet of the feed pump is communicated with the gasified ash storage tank, and the outlet of the feed pump is communicated with the inlet of the drying cylinder; and the inlet of the pneumatic conveyor is communicated with the gasified ash storage bin, and the outlet of the pneumatic conveyor is communicated with the inlet of the spiral stirrer.
Description
Technical Field
The utility model relates to the technical field of recycling of gasified ash, in particular to a two-stage drying, preheating and incinerating system for high-moisture gasified ash.
Background
The coal gasification technology is an important application direction in clean coal technology, and most of carbon contained in coal reacts with H2O, CO, O2 and the like to generate raw coal gas in the coal gasification process, and other inorganic mineral substances and unburned carbon contained in the coal are converted into gasified ash residues under the high-temperature condition.
The existing treatment utilization rate of the gasified slag is low, and the gasified slag is mainly applied to the fields of building material construction, soil restoration, road construction, aluminum-silicon ceramic preparation and the like except a small amount of available gasified slag. A large amount of waste gasified slag is treated in a landfill mode, so that resource waste and environmental pollution are caused, the gasified slag contains more unburned carbon, and the gasified slag is sent into a boiler for combustion to generate steam, so that the method is an efficient and environment-friendly gasified slag treatment mode.
However, the water content of gasified ash is high, so that the water content in the smoke generated by combustion is increased, the smoke discharging temperature of the boiler is increased, and the efficiency of the boiler and the unit is affected. Meanwhile, the too high water content in gasified ash can lead to the reduction of flame temperature, and the stable combustion of the boiler is affected. The higher the moisture content of the gasified ash, the higher the transportation cost per unit heating value, the more ineffective transportation, and the higher the transportation cost.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a two-stage drying, preheating and incinerating system for high-moisture gasified ash, which can efficiently recycle and treat the gasified ash and can not influence the normal operation of a boiler.
In order to achieve the above object, the present utility model is realized by the following technical scheme: a high moisture gasification ash two-stage drying, preheating and incinerating system, comprising:
an incineration boiler;
the inlet of the separator is communicated with the smoke outlet of the incineration boiler;
the inlet of the spiral stirrer is communicated with the solid outlet of the separator, and the outlet of the spiral stirrer is communicated with the hearth of the incineration boiler;
the inlet of the drying cylinder is communicated with the gas outlet of the separator, the gas outlet of the drying cylinder is communicated with the inlet of the dust remover, and the solid outlet of the drying cylinder is communicated with the gasified ash storage bin;
the inlet of the feed pump is communicated with the gasified ash storage tank, and the outlet of the feed pump is communicated with the inlet of the drying cylinder;
and the inlet of the pneumatic conveyor is communicated with the gasified ash storage bin, and the outlet of the pneumatic conveyor is communicated with the inlet of the spiral stirrer.
Further, a waste heat recovery device is arranged between the separator and the drying cylinder, the waste heat recovery device comprises a flue shell, a superheater, an economizer and an air preheater, a first end of the flue shell is communicated with a smoke outlet of the separator, a second end of the flue shell is communicated with an inlet of the drying cylinder, and heating surfaces of the superheater, the economizer and the air preheater are all arranged on the inner wall of the flue shell.
Further, a stirring shaft in the spiral stirrer is connected with the spiral blade through bolts.
Further, be provided with the self-balancing feed back device between the screw mixer with burn the boiler, the self-balancing feed back device includes riser, valve body, air distribution device and inclined tube, the riser is installed the top of valve body, and with the inside intercommunication of valve body, the riser with the export intercommunication of screw mixer, the air distribution device is installed the bottom of the inner wall of valve body, the first end of inclined tube with the inside intercommunication of valve body, the second end of valve body with burn the furnace intercommunication of boiler.
Further, the inclined tube has a vertical section with a first expansion joint mounted thereon.
Further, a frame is arranged at the drying cylinder, the frame is rotationally connected with the drying cylinder, a motor is installed on the frame, and the motor is used for controlling the drying cylinder to rotate.
Further, castable is respectively coated on the upper part and the lower part of the inner wall of the incineration boiler.
Further, the incineration boiler is of a circulating fluidized bed structure, and a hearth water-cooled wall of the incineration boiler is of a square membrane type structure.
Further, a connecting pipe is arranged between the separator and the incineration boiler, a first end of the connecting pipe is communicated with a smoke outlet of the incineration boiler, and a second end of the connecting pipe is inclined downwards and is communicated with an inlet of the separator.
Further, a second expansion joint is arranged at the solid outlet of the separator.
The utility model has the beneficial effects that: according to the two-stage drying, preheating and incinerating system for the high-moisture gasified ash, the gasified ash is sequentially conveyed into the drying cylinder and the spiral stirrer for preheating, and the preheated gasified ash enters the incinerating boiler for combustion, so that the combustible heat in the gasified ash is efficiently recycled. And the moisture content of the gasified ash is greatly reduced in the drying cylinder and the spiral stirrer before the gasified ash enters the incineration boiler, so that the normal operation of the incineration boiler is not influenced.
Drawings
FIG. 1 is a schematic diagram of the structural flow of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the waste heat recovery device;
FIG. 3 is a schematic view of the internal structure of the screw mixer;
FIG. 4 is a schematic diagram of a self-balancing feed back device;
fig. 5 is a schematic structural view of the drying cylinder.
Reference numerals: the device comprises a 10-incineration boiler, a 20-separator, a 21-connecting pipe, a 22-second expansion joint, a 30-spiral stirrer, a 31-stirring shaft, 32-spiral blades, a 40-drying cylinder, a 41-dust remover, a 42-gasified ash storage bin, a 43-motor, a 50-feeding pump, a 51-gasified ash storage tank, a 60-pneumatic conveyor, a 70-waste heat recovery device, a 71-flue shell, a 72-superheater, a 73-economizer, a 74-air preheater, an 80-self-balancing return device, 81-vertical pipes, 82-valve bodies, 83-air distribution devices, 84-inclined pipes and 85-first expansion joints.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "affixed" and "fixedly attached" are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
As shown in fig. 1 to 3, the present utility model provides a two-stage drying, preheating and incinerating system for high-moisture gasification ash, which comprises an incineration boiler 10, a separator 20, a screw mixer 30, a drying cylinder 40, a feed pump 50 and a pneumatic conveyor 60.
The incineration boiler 10 is placed on the ground.
The inlet of the separator 20 communicates with the flue gas outlet of the incineration boiler 10, and the separator 20 has a gas outlet and a solids outlet.
The inlet of the screw mixer 30 communicates with the solid outlet of the separator 20, and the outlet of the screw mixer 30 communicates with the furnace of the incineration boiler 10.
The drying cylinder 40 is arranged obliquely, the inlet of the drying cylinder 40 is communicated with the gas outlet of the separator 20, the gas outlet of the drying cylinder 40 is communicated with the inlet of the dust remover 41, and the solid outlet of the drying cylinder 40 is communicated with the gasified ash storage bin 42.
The inlet of the feed pump 50 communicates with the gasified ash storage tank 51, and the outlet of the feed pump 50 communicates with the inlet of the drying cylinder 40.
The inlet of the pneumatic conveyor 60 communicates with the gasified ash storage bin 42, and the outlet of the pneumatic conveyor 60 communicates with the inlet of the screw mixer 30.
The system comprises the following specific working processes:
firstly, the feed pump 50 is started to pump high-moisture gasified slag in the gasified slag pool and then pump the high-moisture gasified slag into the drying cylinder 40, high-temperature flue gas discharged from the gas outlet of the separator 20 also enters the drying cylinder 40, and the high-moisture gasified slag and the high-temperature flue gas are mixed in the drying cylinder 40, so that the high-moisture gasified slag is primarily dried and preheated by the high-temperature flue gas, the moisture of the gasified slag is reduced from more than 50% to less than 30%, the unit heating value of the gasified slag is improved, and the transportation cost of the gasified slag is reduced. The gasified ash after primary drying and preheating falls into the gasified ash storage bin 42 from the solid outlet of the drying cylinder 40; the high-temperature flue gas after primary drying and preheating enters the dust remover 41 for dust removal and is discharged to the outside.
Then, the pneumatic conveyor 60 is started to send the gasified ash in the gasified ash storage bin 42 into the spiral stirrer 30, high-temperature particles discharged from the solid outlet of the separator 20 also enter the spiral stirrer 30, and the gasified ash and the high-temperature particles are fully stirred and mixed after the spiral stirrer 30 is started, so that the water-content ash is dried and preheated again by the high-temperature particles, the temperature of the gasified ash can be increased to about 800 ℃ before entering the incineration boiler 10 for combustion, and the combustion performance of the gasified ash is improved. The mixed ash mixture is burned by returning to the lower part of the furnace of the incineration boiler 10.
The system realizes the two-stage drying, preheating and burning of the gasified ash through the design of the whole structural flow, and maximally recovers the heat contained in the gasified ash, so as to improve the energy utilization efficiency of the whole system, and is very suitable for the heat recovery and utilization of the gasified ash with high water content.
The system has the advantages of high energy utilization rate, effectively avoiding the environmental protection problem caused by landfill treatment for treating the gasified ash, and realizing the high-efficiency heat recovery and utilization of the gasified ash. The waste heat of the incineration boiler 10 is further recycled in the drying cylinder 40 and the spiral stirrer 30, so that the system efficiency is further improved.
In one embodiment, a waste heat recovery device 70 is provided between the separator 20 and the dryer cartridge 40. The waste heat recovery device 70 includes a stack housing 71, a superheater 72, an economizer 73, and an air preheater 74.
The flue housing 71 is preferably of a rectangular parallelepiped configuration, with a first end of the flue housing 71 communicating with the outlet of the separator 20 and a second end of the flue housing 71 communicating with the inlet of the dryer cartridge 40. The heating surfaces of the superheater 72, the economizer 73 and the air preheater 74 are all installed on the inner wall of the stack housing 71 from top to bottom.
Preferably, the superheater 72, the economizer 73 and the air preheater 74 are all of a horizontal light pipe structure, and the number of stages of the superheater 72, the economizer 73 and the air preheater 74 can be single-stage or multi-stage according to the steam parameters and the hot air temperature. After heat exchange with the high-temperature flue gas, the superheater 72, the economizer 73 and the air preheater 74 can generate medium-pressure to ultrahigh-pressure steam, so that the heat of combustible materials in the gasified ash can be further and efficiently recycled.
In one embodiment, the stirring shaft 31 in the screw mixer 30 is bolted to the screw blade 32, which facilitates the replacement of the screw blade 32.
In one embodiment, a self-balancing feed back device 80 is provided between the screw mixer 30 and the incinerator 10. Self-balancing feed back device 80 includes a riser 81, a valve body 82, an air distribution device 83, and a chute 84. A stand pipe 81 is installed at the top of the valve body 82 and communicates with the inside of the valve body 82, and the stand pipe 81 communicates with the outlet of the screw mixer 30. The air distribution device 83 is installed at the bottom of the inner wall of the valve body 82, a first end of the inclined pipe 84 communicates with the inside of the valve body 82, and a second end of the valve body 82 communicates with the furnace of the incineration boiler 10.
Preferably, the inner walls of the riser 81, the valve body 82 and the inclined tube 84 are all lined with casting material.
The ash mixture after two-stage preheating enters the valve body 82 through the vertical pipe 81, the air distribution device 83 is started, and the high-pressure air blown out by the air distribution device 83 fluidizes the ash mixture, so that high-temperature particles and gasified ash are mixed more uniformly, and then enter the hearth of the incineration boiler 10 through the inclined pipe 84.
In one embodiment, the chute 84 has a vertical section with a first expansion joint 85 mounted thereon, and the level of the ash mixture in the riser 81 can be automatically adjusted.
In one embodiment, a frame is provided at the drying drum 40, the frame being rotatably connected to the drying drum 40. A motor 43 is mounted on the frame, and the motor 43 is used for controlling the rotation of the drying drum 40.
When the motor 43 is started, the drying cylinder 40 is driven to rotate, and the high-temperature flue gas heats the inner wall of the drying cylinder 40, so that a film is formed on the inner wall surface of the gasification ash drying cylinder 40, and the gasification ash after drying enters the gasification ash storage bin 42 in the rotation process of the drying cylinder 40.
In one embodiment, the upper and lower portions of the inner wall of the incineration boiler 10 are each coated with castable to ensure burn-up of the gasified ash.
In one embodiment, the incineration boiler 10 is a circulating fluidized bed structure, and the furnace water wall of the incineration boiler 10 is a square membrane structure. The furnace of the incineration boiler 10 is composed of pipes and flat steel, a water-cooled air chamber and an air distribution plate are arranged at the bottom of the furnace, a feed back opening is arranged on the rear wall of the lower part of the furnace, a raw coal feed opening is arranged on the front wall, and a screen heating surface is arranged on the upper part of the furnace.
The circulating fluidized bed structure realizes the repeated circulating combustion of carbon particles of the gasified ash, and further improves the combustion efficiency of the gasified ash.
In one embodiment, a connection pipe 21 is provided between the separator 20 and the incineration boiler 10, a first end of the connection pipe 21 communicates with the flue gas outlet of the incineration boiler 10, and a second end of the connection pipe 21 is inclined downward and communicates with the inlet of the separator 20.
In one embodiment, a second expansion joint 22 is mounted at the solids outlet of the separator 20.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A high-moisture gasification ash two-stage drying, preheating and burning system is characterized in that: comprising the following steps:
an incineration boiler;
the inlet of the separator is communicated with the smoke outlet of the incineration boiler;
the inlet of the spiral stirrer is communicated with the solid outlet of the separator, and the outlet of the spiral stirrer is communicated with the hearth of the incineration boiler;
the inlet of the drying cylinder is communicated with the gas outlet of the separator, the gas outlet of the drying cylinder is communicated with the inlet of the dust remover, and the solid outlet of the drying cylinder is communicated with the gasified ash storage bin;
the inlet of the feed pump is communicated with the gasified ash storage tank, and the outlet of the feed pump is communicated with the inlet of the drying cylinder;
and the inlet of the pneumatic conveyor is communicated with the gasified ash storage bin, and the outlet of the pneumatic conveyor is communicated with the inlet of the spiral stirrer.
2. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: the waste heat recovery device comprises a flue shell, a superheater, an economizer and an air preheater, wherein the first end of the flue shell is communicated with a smoke outlet of the separator, the second end of the flue shell is communicated with an inlet of the drying cylinder, and heating surfaces of the superheater, the economizer and the air preheater are all arranged on the inner wall of the flue shell.
3. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: and a stirring shaft in the spiral stirrer is connected with the spiral blade through bolts.
4. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: the self-balancing feed back device comprises a vertical pipe, a valve body, an air distribution device and an inclined pipe, wherein the vertical pipe is installed at the top of the valve body and is communicated with the inside of the valve body, the vertical pipe is communicated with an outlet of the spiral mixer, the air distribution device is installed at the bottom of the inner wall of the valve body, a first end of the inclined pipe is communicated with the inside of the valve body, and a second end of the valve body is communicated with a hearth of the incineration boiler.
5. The two-stage drying, preheating and incinerating system for high-moisture gasified ash of claim 4, wherein: the inclined tube has a vertical section on which a first expansion joint is mounted.
6. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: the drying cylinder is provided with a frame, the frame is rotationally connected with the drying cylinder, a motor is installed on the frame, and the motor is used for controlling the drying cylinder to rotate.
7. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: castable is respectively laid on the upper part and the lower part of the inner wall of the incineration boiler.
8. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: the incineration boiler is of a circulating fluidized bed structure, and a hearth water-cooled wall of the incineration boiler is of a square membrane type structure.
9. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: the separator with be provided with the connecting pipe between the incineration boiler, the first end of connecting pipe with the outlet flue intercommunication of incineration boiler, the second end of connecting pipe downward sloping, and with the entry intercommunication of separator.
10. The two-stage drying, preheating and incinerating system for high-moisture gasified ash as defined in claim 1, wherein: and a second expansion joint is arranged at the solid outlet of the separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352303.7U CN220624048U (en) | 2023-08-31 | 2023-08-31 | Two-stage drying, preheating and burning system for high-moisture gasified ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352303.7U CN220624048U (en) | 2023-08-31 | 2023-08-31 | Two-stage drying, preheating and burning system for high-moisture gasified ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220624048U true CN220624048U (en) | 2024-03-19 |
Family
ID=90214548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322352303.7U Active CN220624048U (en) | 2023-08-31 | 2023-08-31 | Two-stage drying, preheating and burning system for high-moisture gasified ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220624048U (en) |
-
2023
- 2023-08-31 CN CN202322352303.7U patent/CN220624048U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101570388B (en) | Harmless recycling treatment process for urban sludge | |
| CN100572917C (en) | The double-loop double-pyrogenation incinerator and the using method thereof that are used for rubbish processing to be harmless | |
| CN102944018B (en) | A kind of dangerous waste incineration and afterheat generating system thereof | |
| CN110285430A (en) | A kind of small-scale municipal sludge and house refuse cooperate with incineration treatment method | |
| CN106224974A (en) | Waste incineration processing system | |
| CN111895420B (en) | Composite fluidized bed sludge incineration treatment furnace | |
| CN110701622A (en) | Sludge drying and incinerating system and process flow thereof | |
| CN102344259A (en) | Environmental-protection and energy-saving garbage incineration and waste gas utilization device | |
| CN101708940B (en) | Sludge drying incineration processing system utilizing gas and solid residual heat | |
| CN213207855U (en) | Composite fluidized bed sludge incineration treatment system | |
| CN101526220B (en) | Double working substance bicirculating sludge incinerator | |
| CN220624048U (en) | Two-stage drying, preheating and burning system for high-moisture gasified ash | |
| CN217714902U (en) | Composite combustion device of circulating fluidized bed | |
| CN111623352A (en) | Self-sustaining incineration system and method for low-calorific-value high-ash sludge | |
| CN207815342U (en) | A kind of garbage burning boiler | |
| CN116928680A (en) | Two-stage drying, preheating and burning system for high-moisture gasified ash | |
| CN101055081B (en) | Method for burning garbage using water coal slurry and burning system | |
| CN212339254U (en) | Ultrahigh-temperature thermal cyclone type household garbage treatment equipment | |
| CN212108415U (en) | Household garbage pyrolysis gasification incineration grate furnace and treatment system thereof | |
| CN108006658B (en) | Compact double-combustion-chamber double-flue garbage incinerator | |
| CN102863137B (en) | Comprehensive utilization method and comprehensive utilization system for biochemical sludge | |
| CN108036327B (en) | Small-size energy-conserving high-efficient domestic waste incineration disposal system | |
| CN110822441A (en) | Efficient low-pollution combustion system of cyclone melting furnace for co-combustion of urban solid wastes | |
| CN102337168A (en) | System for manufacturing fuels via drying waste sludge | |
| CN219063442U (en) | Combustion furnace depending on coal-fired power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |