CN201954528U - Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler - Google Patents
Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler Download PDFInfo
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- CN201954528U CN201954528U CN2011200242375U CN201120024237U CN201954528U CN 201954528 U CN201954528 U CN 201954528U CN 2011200242375 U CN2011200242375 U CN 2011200242375U CN 201120024237 U CN201120024237 U CN 201120024237U CN 201954528 U CN201954528 U CN 201954528U
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- generation boiler
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Abstract
The utility model discloses a secondary combustion and discharge device for the slag and smoke dust of a biomass direct combustion generating boiler, which comprises a dry slagging machine, a slag crusher, a cyclone separator, a first delivery pump, a spiral conveyor, a slag storage bin, a second delivery pump, a third delivery pump and a Roots fan, wherein a feed port of the slag crusher is connected with an outlet of the dry slagging machine; the cyclone separator is provided with a gas outlet and a slag outlet, and the gas outlet is connected with a secondary air pipe of the generating boiler by a delivery pipeline with a check baffle; the first delivery pump is connected with the slag crusher and the cyclone separator; the spiral conveyor is provided with a feed port, a forward outlet and a reverse outlet, the feed port is connected with the slag outlet of the cyclone separator, and the reverse outlet is connected with a feeding machine of the generating boiler; the slag storage bin is connected with the forward outlet of the spiral conveyor by a pipeline; the second delivery pump is connected with the cyclone separator and an ash bucket of a dust collector of the generating boiler; the third delivery pump is connected with the slag storage bin and the ash bucket of the dust collector of the generating boiler; and the Roots fan is connected with the cyclone separator. The secondary combustion and discharge device can reduce the content of substances which are not burned out in the slag and the smoke dust in the using process.
Description
Technical field
The utility model 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 utility model 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 purpose of this utility model 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 and tapping equipment again.
For realizing above-mentioned utility model purpose, the utility model 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 the deduster of described cyclone separator and electricity generation boiler;
The 3rd delivery pump connects the ash bucket of the deduster of described sludge-store cabin and electricity generation boiler;
Roots blower is connected with described cyclone separator.
The utility model is owing to adopt above design, and it has following beneficial effect:
1, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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, the utility model biomass direct combustion power generation boiler slag 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 the utility model structural representation.
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 of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model biomass direct combustion power generation boiler slag 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;
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;
The 3rd delivery pump 13, the ash bucket of the deduster 12 of connection sludge-store cabin 11 and electricity generation boiler;
The quantity of slag crusher 14, 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.The utility model biomass direct combustion power generation boiler slag 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 utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
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 the deduster of described cyclone separator and electricity generation boiler;
The 3rd delivery pump connects the ash bucket of the deduster of described sludge-store cabin and electricity generation boiler;
Roots blower is connected with described cyclone separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242375U CN201954528U (en) | 2011-01-25 | 2011-01-25 | Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242375U CN201954528U (en) | 2011-01-25 | 2011-01-25 | Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler |
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| CN201954528U true CN201954528U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200242375U Expired - Lifetime CN201954528U (en) | 2011-01-25 | 2011-01-25 | Secondary combustion and discharge device for slag and smoke dust of biomass direct combustion generating boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878569A (en) * | 2012-09-19 | 2013-01-16 | 浙江大学 | High-temperature air combustion intensifying device and method applicable to low heating value mixed garbage |
| CN103134059A (en) * | 2012-11-13 | 2013-06-05 | 北京国电富通科技发展有限责任公司 | Integrated processing system and method thereof of improving use value of coal-fired boiler ash |
-
2011
- 2011-01-25 CN CN2011200242375U patent/CN201954528U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878569A (en) * | 2012-09-19 | 2013-01-16 | 浙江大学 | High-temperature air combustion intensifying device and method applicable to low heating value mixed garbage |
| CN103134059A (en) * | 2012-11-13 | 2013-06-05 | 北京国电富通科技发展有限责任公司 | Integrated processing system and method thereof of improving use value of coal-fired boiler ash |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210119 Address after: 101200 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. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |
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| CX01 | Expiry of patent term |