CN106500110A - Middle flow pattern chamber structure and secondary combustion system - Google Patents
Middle flow pattern chamber structure and secondary combustion system Download PDFInfo
- Publication number
- CN106500110A CN106500110A CN201611260131.9A CN201611260131A CN106500110A CN 106500110 A CN106500110 A CN 106500110A CN 201611260131 A CN201611260131 A CN 201611260131A CN 106500110 A CN106500110 A CN 106500110A
- Authority
- CN
- China
- Prior art keywords
- incinerator
- burner hearth
- flow pattern
- chamber structure
- nozzle
- 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
Classifications
-
- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
-
- 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
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/101—Arrangement of sensing devices for temperature
Abstract
In the middle of of the invention, flow pattern chamber structure and secondary combustion system, including incinerator, are provided with fire grate in incinerator body, and the fire grate has an inlet air plenum, and the burner hearth of the incinerator is provided with one section to inside contracting the burner hearth throat to be formed；Nozzle is provided with the burner hearth throat, overfire air fan is passed through auxiliary smoke combustion Secondary Air into the burner hearth by nozzle described in pipeline connection.In the middle of of the invention, flow pattern chamber structure and secondary combustion system, simple structure, are greatly improved combustion rate, it is ensured that rubbish is thoroughly burned, and energy-conserving and environment-protective, with preferable application prospect.
Description
Technical field
The invention belongs to technical field of waste treatment, more particularly, it relates to middle flow pattern chamber structure and second-time burning
System.
Background technology
The process of rubbish is the Tough questions faced by Process of Urbanization and economic development, and in prior art, refuse depot exists
Incinerator burns not thorough, it is impossible to which enough adaptation country high-moisture, low-calorie waste incineration, waste incineration are incomplete, its
Emission affects to surrounding enviroment.
Content of the invention
Present invention aim to address the problem that prior art is present, there is provided a kind of simple structure, combustion rate can be improved, be protected
Card rubbish is thoroughly burned, the middle flow pattern chamber structure of energy-conserving and environment-protective and secondary combustion system.
To achieve these goals, the technical scheme taken of the present invention is：This middle flow pattern chamber structure for being provided
And secondary combustion system, including incinerator, in incinerator body, fire grate being provided with, the fire grate has inlet air plenum, the burning
The burner hearth of stove is provided with one section to inside contracting the burner hearth throat to be formed；Nozzle is provided with the burner hearth throat, by pipeline connection institute
Stating nozzle, auxiliary smoke combustion Secondary Air is passed through into the burner hearth.
For making above-mentioned technical proposal more detailed and concrete, the present invention also provides optimization technique side further below
Case, to obtain satisfied practical function：
The Secondary Air is extracted out by the burning furnace upper end by overfire air fan, and the overfire air fan air intake is connected by pipeline
It is connected to the burning furnace upper end, nozzle of the outlet air end through pipeline communication to the burner hearth throat.
The incinerator rear connects flue gas purification system by pipeline, and flue gas purifies heel row through the flue gas purification system
Go out.
EGR blower fans are connected with the pipeline of the flue gas purification system rear, nozzle are provided with the burner hearth throat, described
EGR blower and pipelines are communicated to the nozzle.
The incinerator is provided with the temperature sensor of start-up burner and detection combustion temperature in hearth.
Auxiliary burner is additionally provided with the incinerator.
The present invention compared with prior art, with advantages below：Flow pattern chamber structure and after burner system in the middle of of the invention
System, simple structure are greatly improved combustion rate, it is ensured that rubbish is thoroughly burned, energy-conserving and environment-protective, with preferable application prospect.
Description of the drawings
Below the content expressed by the accompanying drawing of this specification and the mark in figure are briefly described：
Fig. 1 is refuse burning system of the present invention and its air and gas system schematic diagram；
Fig. 2 is middle flow pattern chamber structure schematic diagram；
It is labeled as in figure：1st, doffer, 2, pay-off, 3, leachate collection groove；
4th, fire grate, 41, dry fire grate, 42, combustion grate, 43, burn-out grate, 5, inlet air plenum, 6, burner hearth, 7, First air
Machine, 8, preheater, 9, overfire air fan, 10, incinerator, 11, flue gas purification system, 12, EGR blower fans, 13, air-introduced machine, 14, burner hearth
Throat, 15, combustion zone again.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, the specific embodiment of the present invention is made further details of
Explanation.
This middle flow pattern chamber structure of the present invention and secondary combustion system, as shown in Figure 1, 2, rubbish by garbage crane from
Garbage pool hangs in doffer 1, is fallen into by doffer 1, then pushes to rubbish in incinerator 10 through pay-off 2, diafiltration
Liquid feeder 3 receives percolate below pay-off 2.Be provided with fire grate 4 in incinerator body, fire grate 4 have into
Air compartment 5.Fire grate 4 includes drying fire grate 41, combustion grate 42 and burn-out grate 43 in step arrangement successively, distinguishes thereunder
It is provided with inlet air plenum 5 corresponding with each fire grate.The burner hearth of incinerator 10 is provided with one section to inside contracting the burner hearth throat 14 to be formed；In stove
Lead portion 14 is provided with nozzle, and overfire air fan 9 is passed through auxiliary smoke combustion Secondary Air into burner hearth 6 by pipeline connection nozzle.
Secondary Air is extracted out by 10 upper end of incinerator by overfire air fan 9, and 9 air intake of overfire air fan is connected to burning by pipeline
10 upper end of stove, nozzle of the outlet air end through pipeline communication to burner hearth throat 14.
10 rear of incinerator connects flue gas purification system 11 by pipeline, and flue gas is that 11 systems purify heel row through gas cleaning
Go out.EGR blower fans 12 being connected with 11 rear pipeline of flue gas purification system, nozzle being provided with burner hearth throat 14, EGR blower fans 12 pass through
Pipeline communication is to nozzle.
Nozzle adopts high pressure nozzle, and the flue gas that rubbish burns on fire grate has burner hearth to converge to burner hearth throat 14 upwards,
High pressure sprays into burning wind at this necking again, forms combustion zone 15 again, and disturbance stirring flue gas, the mixing of combustion gas are eliminated unburned
Volatile matter so which fully burns.Flue gas after burning, realizes fully burning after Secondary Air stirring, reduces containing for CO
Amount, and flue gas is stopped more than 2 seconds under 850 DEG C of environment, to guarantee that two English fully decompose.
Incinerator 10 is provided with the temperature sensor of start-up burner and detection combustion temperature in hearth.It is additionally provided with incinerator 10
Auxiliary burner.When burning furnace igniting in stove under without rubbish state, after burner makes heater outlet temperature rise to 600 DEG C, then
Input waste incineration makes furnace temperature slowly rise to more than nominal operating temperature (850 DEG C).Incinerator side wall is provided with auxiliary burner, cloth
Put in adiabatic furnace, when the refuse thermal value for entering stove relatively low so that when fire box temperature is less than 850 DEG C, the system will be automatically engaged.
Auxiliary burner is designed to keep the temperature of secondary combustion chamber more than 850 DEG C and gas residence time is no less than 2 seconds.Point
Ignition combustor and auxiliary burner make fuel using diesel oil.
Incinerator combustion air fan is by the primary air fan 7 and supply secondary combustion chamber combustible for supplying fire grate garbage combustion air
The overfire air fan 9 and EGR blower fans 12 of combustion air is constituted.Primary air fan 7 is evacuated from dump pit, pre- by a preheater 8
It is supplied to fire grate garbage to burn after heat.Overfire air fan 9 is evacuated from the top of incinerator workshop, and EGR blower fans 12 are from smoke processing system
It is exported on 13 flue of air-introduced machine and extracts, the combustion zone again 15 for being all sent to secondary combustion chamber is burnt.First air is through steam air
Fire grate bottom inlet air plenum 5 sent into by preheater 8 after being heated to 220 DEG C, rubbish high for low for calorific value, moisture content is effectively disturbed by hot-air
Dynamic and just dry.Auxiliary air and EGR (flue gas recirculation) wind of after-burner extracts incineration plants top by overfire air fan 9 respectively
Portion's air and being exported on 13 flue of air-introduced machine by smoke processing system is extracted, as combustion air, logical in 14 position of burner hearth throat
Cross nozzle to spray into very high speed, stir flue gas, strengthen the disturbance of gas in burner hearth, it is ensured that the mixing of combustion gas, eliminate
Unburned volatile matter.
In the middle of of the invention, flow pattern chamber structure and secondary combustion system, simple structure, are greatly improved combustion rate, it is ensured that rubbish
Rubbish is thoroughly burned, energy-conserving and environment-protective, with preferable application prospect.
The present invention is exemplarily described above in conjunction with accompanying drawing, but the present invention is not limited to aforesaid way, only
The improvement of the various unsubstantialities to be carried out using method of the present invention design and technical scheme directly applies to other occasions
, all fall within protection scope of the present invention.
Claims (6)
1. middle flow pattern chamber structure and secondary combustion system, including incinerator, it is characterised in that：Stove is provided with incinerator body
Row, the fire grate have an inlet air plenum, and the burner hearth of the incinerator is provided with one section to inside contracting the burner hearth throat to be formed；Described
Burner hearth throat is provided with nozzle, and it is secondary that overfire air fan is passed through auxiliary smoke combustion into the burner hearth by nozzle described in pipeline connection
Wind.
2. according to the middle flow pattern chamber structure described in claim 1 and secondary combustion system, it is characterised in that：The Secondary Air
Extracted out by the burning furnace upper end by overfire air fan, the overfire air fan air intake is connected on the incinerator by pipeline
End, nozzle of the outlet air end through pipeline communication to the burner hearth throat.
3. according to the middle flow pattern chamber structure described in claim 1 and secondary combustion system, it is characterised in that：The incinerator
Rear connects flue gas purification system by pipeline, and flue gas is discharged after flue gas purification system purification.
4. according to the middle flow pattern chamber structure described in claim 3 and secondary combustion system, it is characterised in that：The flue gas is net
EGR blower fans are connected with the pipeline of change system rear, nozzle are provided with the burner hearth throat, the EGR blower and pipelines connection
To the nozzle.
5. according to the middle flow pattern chamber structure described in claim 1 and secondary combustion system, it is characterised in that：The incinerator
It is provided with the temperature sensor of start-up burner and detection combustion temperature in hearth.
6. according to the middle flow pattern chamber structure described in claim 5 and secondary combustion system, it is characterised in that：The incinerator
On be additionally provided with auxiliary burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260131.9A CN106500110A (en) | 2016-12-30 | 2016-12-30 | Middle flow pattern chamber structure and secondary combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260131.9A CN106500110A (en) | 2016-12-30 | 2016-12-30 | Middle flow pattern chamber structure and secondary combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106500110A true CN106500110A (en) | 2017-03-15 |
Family
ID=58333456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260131.9A Pending CN106500110A (en) | 2016-12-30 | 2016-12-30 | Middle flow pattern chamber structure and secondary combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106500110A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304512A (en) * | 2000-04-21 | 2001-10-31 | Takuma Co Ltd | Waste incinerator |
| CN102168852A (en) * | 2010-12-23 | 2011-08-31 | 北京机电院高技术股份有限公司 | Method and device for reducing emission limits of nitrogen oxides in waste incineration flue gas |
| CN104566389A (en) * | 2015-01-16 | 2015-04-29 | 光大环保技术装备（常州）有限公司 | Low-nitrogen combustion type garbage incinerator and combustion method |
| CN204986979U (en) * | 2015-07-31 | 2016-01-20 | 哈尔滨锅炉厂有限责任公司 | High temperature gas recirculation device of high sodium metal coal pi type boiler |
| CN205717228U (en) * | 2016-04-27 | 2016-11-23 | 杭州绿能环保发电有限公司 | One way of life junk-free incinerator |
| CN206430149U (en) * | 2016-12-30 | 2017-08-22 | 安徽海螺川崎工程有限公司 | A kind of secondary combustion system of middle flow pattern chamber structure |
-
2016
- 2016-12-30 CN CN201611260131.9A patent/CN106500110A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304512A (en) * | 2000-04-21 | 2001-10-31 | Takuma Co Ltd | Waste incinerator |
| CN102168852A (en) * | 2010-12-23 | 2011-08-31 | 北京机电院高技术股份有限公司 | Method and device for reducing emission limits of nitrogen oxides in waste incineration flue gas |
| CN104566389A (en) * | 2015-01-16 | 2015-04-29 | 光大环保技术装备（常州）有限公司 | Low-nitrogen combustion type garbage incinerator and combustion method |
| CN204986979U (en) * | 2015-07-31 | 2016-01-20 | 哈尔滨锅炉厂有限责任公司 | High temperature gas recirculation device of high sodium metal coal pi type boiler |
| CN205717228U (en) * | 2016-04-27 | 2016-11-23 | 杭州绿能环保发电有限公司 | One way of life junk-free incinerator |
| CN206430149U (en) * | 2016-12-30 | 2017-08-22 | 安徽海螺川崎工程有限公司 | A kind of secondary combustion system of middle flow pattern chamber structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170315 |