CN102042585B - Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler - Google Patents
Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler Download PDFInfo
- Publication number
- CN102042585B CN102042585B CN201110027245A CN201110027245A CN102042585B CN 102042585 B CN102042585 B CN 102042585B CN 201110027245 A CN201110027245 A CN 201110027245A CN 201110027245 A CN201110027245 A CN 201110027245A CN 102042585 B CN102042585 B CN 102042585B
- Authority
- CN
- China
- Prior art keywords
- slag
- generation boiler
- outlet
- cyclone separator
- electricity generation
- 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
Abstract
The invention discloses a reburning and discharging device of slag and soot of a biomass direct-fired power generation boiler. The boiler comprises a dry-type slag extractor, a slag crusher, a cyclone separator, a first delivery pump, a screw conveyor, a slag storing cabin, a second delivery pump, a third delivery pump and a Roots blower, wherein the charge hole of the slag crusher is connected with the outlet of the dry-type slag extractor; the cyclone separator is provided with a gas outlet and a slag hole, the gas outlet is connected with the secondary wind pipe of the power generation boiler through a delivery pipeline with a non-return baffle; the first delivery pump is connected with the slag crusher and the cyclone separator; the screw conveyor is provided with a charge hole, a forward outlet and a backward outlet, the charge hole is connected with the slag hole of the cyclone separator, the backward outlet is connected with the feeder of the power generation boiler; the slag storing cabin is connected with the forward outlet of the screw conveyor through a pipeline; the second delivery pump is connected with the cyclone separator and the ash bucket of the deduster of the power generation boiler; the third delivery pump is connected with the slag storing cabin and the ash bucket of the deduster of the power generation boiler; and the Roots blower is connected with the cyclone separator. When the reburning and discharging device is used, the content of the unburned substances in slag and soot can be reduced.
Description
Technical field
The present invention relates to a kind of biomass direct combustion power generation boiler slag and cigarette ash burns and tapping equipment again.
Background technology
Vigorously advocate the development and use regenerative resource in the current Chinese government, promote under the social background of sustainable economic development, biomass power generation is as the direction of giving priority to of bioenergy, and is all building energetically biomass fermentation power plant all parts of the country.The direct combustion power generation of living beings is to utilize the heat energy after living beings are directly burnt to produce steam by biomass boiler, utilizes steam to promote the steamer electricity generation system again and generates electricity.With special advantages such as its nearly zero carbon emission, Huinongs, become the Biomass Energy Utilization mode that the most ripe, the tool commercialization of development is worth.
But domestic biomass direct combustion power generation boiler comprises at present: body of heater, superheater, economizer, cigarette cooler, deduster and chimney, side wall of furnace is provided with secondary air channel and batcher, the bottom of body of heater is provided with the slag well, and the bottom of cigarette cooler has ash bucket, and the bottom of deduster also has ash bucket.The slag that this electricity generation boiler forms adopts the hydraulic slag discharging machine to discharge, the flue gas that electricity generation boiler forms is discharged by chimney after by cigarette cooler and deduster, and the cigarette ash that falls into the ash bucket of the ash bucket of cigarette cooler and deduster is handled by cigarette ash conveying device and storage apparatus for ash again.There is following problem in this invention boiler: 1) during system's deslagging, high temperature furnace slag falls into the tank of hydraulic slag discharging machine, produces a large amount of water vapours, can corrode the boiler bottom parts, increases smoke moisture, the corrosion back-end ductwork; 2) combustible species and slag institute heat content is lost by damage by water in the slag, is unfavorable for the raising of boiler efficiency; 3) the slag active material contacts destroyedly with water, and contains unburnt carbon, has reduced comprehensive utilization value; 4) slag after the dehydration contains the moisture content about 30%, still needs to continue to replenish water to system; 4) equipment attrition is serious, and poor reliability has increased the operating maintenance expense; 5) in addition, biomass fuel density is little, and part of fuel is swept along by flue gas can not be by completing combustion to back-end ductwork, and the uncombusted material that the flying dust that causes the afterbody deduster to catch contains is higher.
Summary of the invention
The object of the present invention is to provide a kind of biomass direct combustion power generation boiler slag and cigarette ash that in use can reduce uncombusted thing content in slag and the cigarette ash to burn again and tapping equipment.
For achieving the above object, the present invention adopts following technical scheme:
Biomass direct combustion power generation boiler slag and cigarette ash burn and tapping equipment again, it is characterized in that, it comprises:
Dried slag extractor, ashes import and outlet that it has the slag import that is connected with the slag well of electricity generation boiler, is connected with the ash bucket of the cigarette cooler of electricity generation boiler;
Slag crusher, it has charging aperture and discharging opening, and the charging aperture of described slag crusher is connected with the outlet of described dried slag extractor;
Cyclone separator, it has gas outlet and slag notch, and described gas outlet is connected with the secondary air channel of electricity generation boiler by the conveyance conduit that has the non-return baffle plate;
First delivery pump connects described slag crusher and cyclone separator;
Conveying worm, it has charging aperture, forward outlet and oppositely outlet, and described charging aperture is connected with the slag notch of described cyclone separator, and described reverse outlet is connected with the batcher of electricity generation boiler;
Sludge-store cabin, it is connected with the forward outlet of described conveying worm by pipeline;
Second delivery pump connects the ash bucket of close cigarette cooler of the deduster of described cyclone separator and electricity generation boiler;
The 3rd delivery pump connects the ash bucket away from the cigarette cooler of the deduster of described sludge-store cabin and electricity generation boiler;
Roots blower, its outlet and described first carry delivery side of pump and second to carry delivery side of pump to be connected and to be connected with described cyclone separator.
The present invention is owing to adopt above design, and it has following beneficial effect:
1, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, the slag of the slag well of self power generation boiler and in dried slag extractor, burn away in the future from the uncombusted material in the cigarette ash of the ash bucket of the cigarette cooler of electricity generation boiler, the heat that produces is admitted in the burner hearth of electricity generation boiler, reduced the discharging of uncombusted material, save fuel, improved the efficient of electricity generation boiler.
2, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, the burner hearth that part cigarette ash in the ash bucket of the deduster of the boiler of self power generation is in the future sent into electricity generation boiler by second delivery pump and cyclone separator burns away, reduced the discharging of uncombusted material, save fuel, improved the efficient of electricity generation boiler.
3, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, owing to the burner hearth of part cigarette ash being sent into electricity generation boiler, can save original cigarette ash induction system and storage ash system, reduce construction costs.
4, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, the thin ash that will contain combustible is sent into the burner hearth of electricity generation boiler from secondary air channel, with entrainment downward hot flue gas and mix, on the fire grate of electricity generation boiler, mix with the biomass fuel of sending into, shorten the drying time of biomass fuel, prolong burning time accordingly, improved efficiency of combustion.
5, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, are furnished with the non-return baffle plate at the conveyance conduit from cyclone separator to secondary air channel, even if malleation appears in boiler, also do not have flue gas and are delivered to cyclone separator.
6, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, and conveying worm wherein can forward and reverse twocouese operation.At boiler startup initial stage or fuel because when burning is bad under the situation such as moisture content is bigger than normal, make the conveying worm inverted running, thin ash drying, that contain the uncombusted material is mixed in the stalk batcher with second-rate biomass fuel, reduce the moisture content of going into boiler oil, accelerate rate of drying, improve ignition temperature.
7, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, make the emission of electricity generation boiler pass through abundant burning, make in the slag in the sludge-store cabin uncombusted content of material lower, can be used in cement additire or system potash fertilizer raw material, increase biomass direct combustion power generation factory by-product value, increased the business economic benefit.
8, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, and whole device seals fully, can will not improve site operation personnel's working environment greatly to the external leakage dust when normally moving.
9, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, whole device anhydrous operation, and without sewage discharge, embodiment biomass fermentation power plant is energy-saving and cost-reducing, the idea of development of green electric power supply.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The dried slag extractor of Reference numeral: 1-; 2-slag well; 3-cigarette cooler; The 4-slag crusher; The 5-cyclone separator; 6-non-return baffle plate; The 7-secondary air channel; 8-first delivery pump; The 9-conveying worm; The 10-batcher; The 11-sludge-store cabin; The 12-deduster; 13-the 3rd delivery pump; The 14-roots blower; 15-second delivery pump; The 16-electricity generation boiler.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
As shown in Figure 1, biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn and tapping equipment again, and it comprises:
Dried slag extractor 1, ashes import and outlet that it has the slag import that is connected with the slag well 2 of electricity generation boiler, is connected with the ash bucket of the cigarette cooler 3 of electricity generation boiler;
Slag crusher 4, it has charging aperture and discharging opening, and the charging aperture of slag crusher 4 is connected with the outlet of dried slag extractor 1;
Cyclone separator 5, it has gas outlet and slag notch, and the gas outlet is connected with the secondary air channel 7 of electricity generation boiler by the conveyance conduit that has non-return baffle plate 6;
First delivery pump 8 connects slag crusher 4 and cyclone separator 5;
Conveying worm 9, it has charging aperture, forward outlet and oppositely outlet, and charging aperture is connected with the slag notch of cyclone separator 5, and oppositely outlet is connected with the batcher 10 of electricity generation boiler;
Sludge-store cabin 11, it is connected with the forward outlet of conveying worm 9 by pipeline;
Second delivery pump 15, the ash bucket of the close cigarette cooler of the deduster 12 of connection cyclone separator 5 and electricity generation boiler;
The 3rd delivery pump 13, the ash bucket away from the cigarette cooler of the deduster 12 of connection sludge-store cabin 11 and electricity generation boiler;
The quantity of slag crusher 4, first delivery pump 8, cyclone separator 5 and conveying worm 9 is arranged to one or more according to actual needs respectively.
During use; the cigarette ash that the slag of the slag well 2 of dried slag extractor 1 boiler of self power generation in the future 16 reaches from the cigarette cooler 3 of electricity generation boiler drains into slag crusher 2; slag and cigarette ash are delivered to cyclone separator 5 by slag crusher 2 broken backs by first delivery pump 8; part cigarette ash in the ash bucket of the deduster 12 of electricity generation boiler is delivered to cyclone separator 5 by second delivery pump 15; roots blower 14 flows to whirlwind wind from device 5 with air simultaneously; flowing to electricity generation boiler 1 by granule lime-ash after cyclone separator 5 separation and air by pipeline and secondary air channel 8 burns; bulky grain lime-ash after separating by cyclone separator 5 is according to the big or little situation of uncombusted thing content wherein; make conveying worm 9 counter-rotating respectively and send into after lime-ash is delivered to batcher 10 and biomass fuel mixes and burn in the electricity generation boiler burner hearth; or making conveying worm 9 just transfer lime-ash is delivered to sludge-store cabin 11, the part cigarette ash in the ash bucket of the deduster 12 of electricity generation boiler directly is delivered to sludge-store cabin 11 by the 3rd delivery pump 13.Biomass direct combustion power generation boiler slag of the present invention and cigarette ash burn again and tapping equipment makes the lime-ash that is collected in the sludge-store cabin 11 contain very low uncombusted material.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. biomass direct combustion power generation boiler slag and cigarette ash burn and tapping equipment again, it is characterized in that it comprises:
Dried slag extractor, ashes import and outlet that it has the slag import that is connected with the slag well of electricity generation boiler, is connected with the ash bucket of the cigarette cooler of electricity generation boiler;
Slag crusher, it has charging aperture and discharging opening, and the charging aperture of described slag crusher is connected with the outlet of described dried slag extractor;
Cyclone separator, it has gas outlet and slag notch, and described gas outlet is connected with the secondary air channel of electricity generation boiler by the conveyance conduit that has the non-return baffle plate;
First delivery pump connects described slag crusher and cyclone separator;
Conveying worm, it has charging aperture, forward outlet and oppositely outlet, and described charging aperture is connected with the slag notch of described cyclone separator, and described reverse outlet is connected with the batcher of electricity generation boiler;
Sludge-store cabin, it is connected with the forward outlet of described conveying worm by pipeline;
Second delivery pump connects the ash bucket of close cigarette cooler of the deduster of described cyclone separator and electricity generation boiler;
The 3rd delivery pump connects the ash bucket away from the cigarette cooler of the deduster of described sludge-store cabin and electricity generation boiler;
Roots blower, its outlet and described first carry delivery side of pump and second to carry delivery side of pump to be connected and to be connected with described cyclone separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027245A CN102042585B (en) | 2011-01-25 | 2011-01-25 | Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027245A CN102042585B (en) | 2011-01-25 | 2011-01-25 | Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042585A CN102042585A (en) | 2011-05-04 |
| CN102042585B true CN102042585B (en) | 2011-12-07 |
Family
ID=43908966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110027245A Active CN102042585B (en) | 2011-01-25 | 2011-01-25 | Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042585B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444897B (en) * | 2011-09-16 | 2013-12-25 | 山东电力工程咨询院有限公司 | High concentration ash processing system in thermal power plant |
| CN102588992A (en) * | 2012-02-07 | 2012-07-18 | 浠水县福瑞德化工有限责任公司 | Ash recycling method and ash recycling system |
| CN105823069A (en) * | 2016-03-21 | 2016-08-03 | 贵州金泉生物质发电有限公司 | 130-ton biomass boiler flying ash secondary combustion device for steam turbine power generation |
| CN108592012B (en) * | 2018-04-13 | 2019-10-22 | 云南农业大学 | A kind of biomass combustion furnace of high effect cleaning |
| CN109737392A (en) * | 2019-01-25 | 2019-05-10 | 河南省锅炉压力容器安全检测研究院 | The flying dust and clinker for being applicable in the coal-burning boiler with horizontally disposed burner hearth fire system again |
| CN111336490B (en) * | 2020-03-05 | 2022-05-17 | 梁汝龙 | Biomass energy power generation equipment capable of automatically recycling waste materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032583A (en) * | 1987-10-16 | 1989-04-26 | 黄世汉 | Boiler slag second-time burning power-economizing method and device |
| CN2283188Y (en) * | 1996-09-24 | 1998-06-03 | 中国科学院工程热物理研究所 | Refuse incinerator with circulating fluidized bed |
| CN201212675Y (en) * | 2008-05-14 | 2009-03-25 | 沈阳军区联勤部工程安装大队 | Low-temperature flyash re-burning device for layered burning boiler |
| CN201297617Y (en) * | 2008-11-12 | 2009-08-26 | 李守涛 | Boiler soot secondary-combustion device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1252356A (en) * | 1983-11-09 | 1989-04-11 | Michel F.E. Couarc'h | Method and device for the reinjection of exhausted particles in a solid fuel burning furnace |
| DE102005009957B4 (en) * | 2005-03-04 | 2007-02-01 | Martin GmbH für Umwelt- und Energietechnik | Process for burning fuels, in particular waste |
-
2011
- 2011-01-25 CN CN201110027245A patent/CN102042585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032583A (en) * | 1987-10-16 | 1989-04-26 | 黄世汉 | Boiler slag second-time burning power-economizing method and device |
| CN2283188Y (en) * | 1996-09-24 | 1998-06-03 | 中国科学院工程热物理研究所 | Refuse incinerator with circulating fluidized bed |
| CN201212675Y (en) * | 2008-05-14 | 2009-03-25 | 沈阳军区联勤部工程安装大队 | Low-temperature flyash re-burning device for layered burning boiler |
| CN201297617Y (en) * | 2008-11-12 | 2009-08-26 | 李守涛 | Boiler soot secondary-combustion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102042585A (en) | 2011-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100498067C (en) | Incinerator for thermal decomposition of waste fuel | |
| CN102042585B (en) | Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler | |
| CN103542415B (en) | Cigarette pyrolysis kiln, stove combined type sludge incineration device | |
| CN203571721U (en) | Combustion heating system taking biomass as fuel | |
| CN101852438A (en) | Waste incineration boiler | |
| CN202204144U (en) | Grate boiler burning coal and biomass fuels | |
| CN101576245B (en) | Chain-grate boiler for high-temperature combustion of biomass | |
| CN101354129A (en) | Biomass and fire coal composite fuel boiler | |
| CN201954528U (en) | Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler | |
| CN103759412A (en) | Biomass boiler with automatic feeding function | |
| CN102252325B (en) | Circulating fluidized bed boiler capable of burning rice husks | |
| CN200986197Y (en) | Consumer waste burning boiler used for electricity generating | |
| CN202733916U (en) | Burning dregs fluidized bed boiler | |
| CN104654266A (en) | Water boiler with single boiler barrel and four return strokes | |
| CN201706509U (en) | Garbage incineration boiler | |
| CN203731661U (en) | Automatic feeding biomass boiler | |
| CN209840124U (en) | Combined water-cooled grate | |
| CN204534544U (en) | Biomass boiler denitration burner and double burner biomass boiler | |
| CN202382251U (en) | Novel waste incineration boiler | |
| CN101718467A (en) | Bidirectional environment-friendly energy saving boiler with three return strokes | |
| CN201662059U (en) | Horizontal type packaged chain grate biomass boiler | |
| CN201866758U (en) | Precell injection combustion biomass boiler | |
| CN206648019U (en) | A kind of biomass bundling fuel chain-grate boiler | |
| CN205782978U (en) | The boiler that straw burns with domestic garbage mixing | |
| CN205619290U (en) | Msw incineration storehouse heat supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: Room 1405, information building, No. 13, Linyin North Street, Pinggu District, Beijing Patentee after: Beijing Depu Xinyuan Ecological Technology Co., Ltd Address before: 100027 No. 5, five West Street, Chaoyang District, Beijing, Sanlitun Patentee before: BEIJING DP CLEANTECH TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |