CN212408685U - Novel environment-friendly sludge incineration boiler for generating steam - Google Patents
Novel environment-friendly sludge incineration boiler for generating steam Download PDFInfo
- Publication number
- CN212408685U CN212408685U CN201922309728.3U CN201922309728U CN212408685U CN 212408685 U CN212408685 U CN 212408685U CN 201922309728 U CN201922309728 U CN 201922309728U CN 212408685 U CN212408685 U CN 212408685U
- Authority
- CN
- China
- Prior art keywords
- furnace
- sludge incineration
- flue
- incineration boiler
- generating steam
- 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
Images
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model belongs to the boiler equipment field, concretely relates to novel environmental protection sludge incineration boiler who produces steam, it can not cause flue gas pollution when utilizing the energy that sludge combustion processing produced to be used for electricity generation and heat supply, and it includes furnace, separator, afterbody flue, be provided with the mud feed inlet on the furnace lateral wall, the furnace bottom is provided with the grid plate, be provided with the ignition combustor under the bed under the grid plate, the furnace exit is provided with SNCR equipment, its characterized in that sludge feed inlet with between the grid plate, be provided with first heating surface in the furnace, furnace upper portion is provided with the second heating surface.
Description
Technical Field
The utility model belongs to the boiler equipment field, concretely relates to novel environmental protection sludge incineration boiler of steam produces.
Background
Municipal sludge is a final product after treatment of industrial wastewater and municipal domestic wastewater, contains many harmful substances, and brings serious harm to human and environment if not treated. At present, methods for treating sludge include composting, agricultural land filling, sea throwing, burning, comprehensive utilization and the like. In recent years, incineration methods have been developed greatly because, compared with other methods, incineration methods have the advantages of greatly reducing the volume and weight of sludge, not requiring long-term storage and long-distance transportation, and recovering energy for power generation and heat supply.
With the stricter national environmental protection policy, the sludge incineration boiler needs to be controlled on emission indexes such as SO2, NO2, CO2, HCL and HF, and the current common sludge incineration boiler has the defects on the generation of N0x, and the content of N0x in the discharged flue gas exceeds the standard, thereby causing pollution to the environment.
SUMMERY OF THE UTILITY MODEL
Cause flue gas pollution's problem when solving current sludge treatment, the utility model provides a produce novel environmental protection sludge incineration boiler of steam, its energy that utilizes sludge combustion to handle the production is used for electricity generation and heat supply when, can not cause and cause flue gas pollution.
The technical scheme is as follows: the utility model provides a produce novel environmental protection sludge incineration boiler of steam, its includes furnace, separator, afterbody flue, be provided with the mud feed inlet on the furnace lateral wall, the furnace bottom is provided with the grid plate, be provided with ignition burner under the grid plate, the furnace exit is provided with SNCR equipment, a serial communication port the mud feed inlet with between the grid plate, be provided with first heating surface in the furnace, furnace upper portion is provided with the second heating surface.
The furnace is further characterized in that the furnace is a heat insulation furnace, and the cross section of the furnace is rectangular;
the cyclone separator is a volute separator, and a central cylinder of the cyclone separator is eccentrically arranged;
the cyclone separator is a cyclone separator, the bottom of the cyclone separator is connected with a material returning device, an ash discharge pipe and a material returning pipe are arranged on the material returning device, and the material returning pipe is connected with the hearth
A cooling flue is arranged between the flue gas outlet at the upper part of the cyclone separator and the tail flue;
the cooling flue comprises an ascending cooling flue and a descending cooling flue;
the cooling flue is a water wall flue;
the air distribution plate is a water-cooling air distribution plate;
and a coal economizer and an air preheater are arranged in the tail flue, and are arranged in a staggered manner.
Adopt the utility model discloses afterwards, arrange first heating surface between mud feed inlet and grid plate (being furnace dense phase district promptly), reduced combustion temperature, restrain in the flue gas generation of N0x, arrange the second heating surface on furnace's upper portion (being furnace dilute phase district promptly), reduced furnace export flue gas temperature, the SNCR equipment that can make the furnace exit is in best denitration reaction window temperature, further restrain N0 x's generation, can not cause and cause flue gas pollution.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of a furnace;
FIG. 3 is a schematic diagram of an economizer and an air preheater.
Detailed Description
Referring to fig. 1, 2 and 3, the novel environment-friendly sludge incineration boiler for generating steam comprises a hearth 1, a cyclone separator 7 and a tail flue 15, wherein a sludge feeding port is formed in the side wall of the hearth 1, a feeder 4 is installed at the sludge feeding port, a water-cooling air distribution plate 14 is arranged at the bottom of the hearth 1, an ignition burner 6 below a bed is arranged below the water-cooling air distribution plate 14, an SNCR device is arranged at the outlet of the hearth 1, a first heating surface 2 is arranged in the hearth 1 between the sludge feeding port and the water-cooling air distribution plate 14, the first heating surface is a dense-phase region, and a second heating surface 3 is arranged at the upper part of the hearth 1, and the second heating surface is a dilute-phase region. The hearth 1 adopts a heat insulation hearth, and the cross section of the hearth is rectangular.
The cyclone separator 7 adopts a high-efficiency volute separator, and a central cylinder of the cyclone separator 7 is eccentrically arranged;
the separator is cyclone, and return device 8 is connected to cyclone's bottom, is provided with ash discharging pipe 9 and return pipe 16 on return device 8, and return pipe 16 connects furnace 1, and the ash discharging pipe 9 through the return device 8 lower part controls the material that returns furnace 1, and one is the control bed temperature, and two is the control fly ash volume.
A cooling flue 11 is arranged between the flue gas outlet at the upper part of the cyclone separator 7 and the tail flue; the cooling flue 11 comprises an ascending cooling flue and a descending cooling flue; the cooling flue 11 is a water wall flue, which can reduce the temperature of the flue gas and simultaneously absorb heat for heating furnace water.
The coal economizer 12 and the air preheater 13 are arranged in the tail flue 15, the coal economizer 12 and the air preheater 13 are arranged in a staggered mode, and the number of the coal economizer is two in the embodiment, namely the upper coal economizer, the lower coal economizer, the upper air preheater and the lower air preheater, so that the hot air temperature of the air preheater can be increased, and the combustion temperature in a hearth can be ensured.
In the figure, 10 is a boiler barrel, and 5 is a secondary air pipe.
The utility model discloses in, the flow of steam is: the feed water enters a water-cooling air distribution plate inlet header → a water-cooling air distribution plate outlet header → a lower economizer inlet header → a lower economizer outlet header → a higher economizer inlet header → a higher economizer outlet header → a boiler barrel → a superheater (whether steam parameters are set) and a main steam pipeline.
The flue gas flow is as follows: the sludge feeding port → the dense-phase region of the furnace → the dilute-phase region of the furnace → the cyclone separator → the cooling flue → the upper coal economizer → the upper air preheater → the lower coal economizer → the lower air preheater → the outlet flue. Wherein, one part of the ash captured by the cyclone separator returns to the hearth through the material returning device, and the other part enters the slag runner through the ash discharge pipe.
The utility model discloses starting from the sludge combustion mechanism, providing a novel sludge incineration boiler's structural style, guaranteeing to discharge under the prerequisite that reaches national standard, both guaranteed the innocent treatment of mud, utilized the energy again and be used for electricity generation and heat supply.
Claims (9)
1. The utility model provides a produce novel environmental protection sludge incineration boiler of steam, its includes furnace, separator, afterbody flue, be provided with the mud feed inlet on the furnace lateral wall, the furnace bottom is provided with the grid plate, be provided with ignition burner under the grid plate, the furnace exit is provided with SNCR equipment, a serial communication port the mud feed inlet with between the grid plate, be provided with first heating surface in the furnace, furnace upper portion is provided with the second heating surface.
2. The novel environment-friendly sludge incineration boiler for generating steam as claimed in claim 1, wherein said furnace is a heat-insulating furnace with a rectangular cross section.
3. The novel environment-friendly sludge incineration boiler generating steam as claimed in claim 1, wherein the separator is a cyclone separator, the bottom of the cyclone separator is connected with a return device, the return device is provided with an ash discharge pipe and a return pipe, and the return pipe is connected with the furnace chamber.
4. The novel environment-friendly sludge incineration boiler for generating steam as claimed in claim 3, wherein said cyclone separator is a volute separator, and a central cylinder of said cyclone separator is eccentrically arranged.
5. The novel environment-friendly sludge incineration boiler for generating steam as claimed in claim 4, wherein a cooling flue is arranged between the upper flue gas outlet of the cyclone separator and the tail flue.
6. The new and environment-friendly sludge incineration boiler for generating steam as claimed in claim 5, wherein said cooling flue includes an ascending cooling flue and a descending cooling flue.
7. The new and environment-friendly sludge incineration boiler for generating steam as claimed in claim 5, wherein said cooling flue is a waterwall flue.
8. The novel environment-friendly sludge incineration boiler for generating steam as claimed in claim 1, wherein said air distribution plate is a water-cooled air distribution plate.
9. The novel environment-friendly sludge incineration boiler for generating steam as claimed in claim 1, wherein a coal economizer and an air preheater are arranged in the tail flue, and the coal economizer and the air preheater are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309728.3U CN212408685U (en) | 2019-12-20 | 2019-12-20 | Novel environment-friendly sludge incineration boiler for generating steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309728.3U CN212408685U (en) | 2019-12-20 | 2019-12-20 | Novel environment-friendly sludge incineration boiler for generating steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212408685U true CN212408685U (en) | 2021-01-26 |
Family
ID=74402040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309728.3U Active CN212408685U (en) | 2019-12-20 | 2019-12-20 | Novel environment-friendly sludge incineration boiler for generating steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212408685U (en) |
-
2019
- 2019-12-20 CN CN201922309728.3U patent/CN212408685U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102537975B (en) | Circulating fluidized bed garbage incineration boiler and pollution control system with same | |
| CN203571721U (en) | Combustion heating system taking biomass as fuel | |
| CN204629517U (en) | Garbage burning boiler | |
| CN101576245B (en) | Chain-grate boiler for high-temperature combustion of biomass | |
| CN103471103B (en) | A kind of biogas of percolate and the boiler of rubbish mixed combustion | |
| CN203571761U (en) | Saponification waste liquid burning and alkali recovery boiler | |
| CN101551107B (en) | Circulating fluid bed incinerator for waste residue of agricultural chemicals and waste liquid incineration | |
| CN105402737A (en) | Mechanical grate-type garbage single-furnace gasifying incineration and boiler system | |
| CN206496338U (en) | A kind of co-generation unit under superhigh temperature super-pressure parameter | |
| CN212408685U (en) | Novel environment-friendly sludge incineration boiler for generating steam | |
| CN102252325B (en) | Circulating fluidized bed boiler capable of burning rice husks | |
| CN104315504A (en) | A circulating fluidized bed boiler capable of inhibiting formation of a combustion high-temperature region and an inhibiting method | |
| CN111059546A (en) | High-parameter garbage waste heat boiler | |
| CN202733916U (en) | Burning dregs fluidized bed boiler | |
| CN202074513U (en) | Circulating fluidized-bed boiler for burning rice hulls | |
| CN105318307A (en) | Two-drum horizontal settling chamber spraying denitration corner-tube boiler | |
| CN112413610A (en) | Novel environment-friendly sludge incineration boiler for generating steam | |
| CN201628203U (en) | Biomass high-temperature combustion chain boiler | |
| CN201401796Y (en) | Circulating fluid bed incinerator for incinerating pesticide waste residue and waste liquid | |
| CN204486101U (en) | A kind of jet module that spray gun is set in cyclone separator import and export | |
| CN210153825U (en) | Waste incineration waste heat utilization system | |
| CN111765475A (en) | Circulating fluidized bed waste incineration boiler based on fire grate and working method thereof | |
| CN111121059A (en) | Energy-saving and environment-friendly treatment system for mixed combustion and incineration of industrial three wastes | |
| CN105465796A (en) | Waste incineration boiler | |
| CN212178888U (en) | System for reducing nitrogen oxide emission of garbage incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |