CN102679305A - Double-grate biomass boiler - Google Patents

Double-grate biomass boiler Download PDF

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Publication number
CN102679305A
CN102679305A CN2012101729043A CN201210172904A CN102679305A CN 102679305 A CN102679305 A CN 102679305A CN 2012101729043 A CN2012101729043 A CN 2012101729043A CN 201210172904 A CN201210172904 A CN 201210172904A CN 102679305 A CN102679305 A CN 102679305A
Authority
CN
China
Prior art keywords
chamber
combustion chamber
biomass boiler
fire
grating
Prior art date
Application number
CN2012101729043A
Other languages
Chinese (zh)
Inventor
郭丰亮
Original Assignee
郭丰亮
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 郭丰亮 filed Critical 郭丰亮
Priority to CN2012101729043A priority Critical patent/CN102679305A/en
Publication of CN102679305A publication Critical patent/CN102679305A/en

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Abstract

The invention discloses a double-grate biomass boiler which comprises a high temperature-resistant shell, an evaporation chamber, a steam outlet arranged above the evaporation chamber, a water level gauge in the evaporation chamber, a chimney penetrating through the evaporation chamber, an economizer connected with the chimney, a combustion chamber below the evaporation chamber, a feeding device connected with the combustion chamber, a fan, an annular baffle plate in the combustion chamber, an ash exhaust hole at the bottom of the combustion chamber, and a base below the combustion chamber. With the adoption of the double-grate biomass boiler, the burn-off rate of biomass fuel and the thermal efficiency of the boiler can be improved.

Description

A kind of double grate biomass boiler

 

Technical field

The present invention relates to field of boilers, particularly relate to a kind of double grate biomass boiler.

Background technology

Biomass energy is the important energy source that the mankind depend on for existence always, and it is to be only second to coal, oil and natural gas and the energy that occupy the 4th of world energy sources total quantity consumed, in whole energy resource system, occupies critical role.The relevant expert estimates, biomass energy very likely becomes the part of following sustainable energy system, and to the middle of this century, the various living beings alternative fuel of producing of employing new technology will account for more than 40% of global total energy consumption.

Biomass boiler is that to adopt biomass fuel be the boiler of raw material, and it has and pollutes lowly, and the regenerated raw materials and the advantage such as extensive that distributes more and more receive the attention of society in industry, civilian production.Present biomass boiler adopts the structure of single fire grate mostly, exists a series of shortcoming, as: burn insufficient, burn-off rate is undesirable, etc., caused the waste of resource.

Summary of the invention

The technical problem that the present invention mainly solves provides a kind of double grate biomass boiler, can improve the burn-off rate and the thermal efficiency of biomass boiler.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of double grate biomass boiler is provided, comprises: high temperature resistant housing, vaporization chamber; Water level meter in the steam (vapor) outlet of vaporization chamber top, vaporization chamber passes the chimney of vaporization chamber, connects the economizer of chimney; The combustion chamber of vaporization chamber below, the pay-off of connection combustion chamber, blower fan; Ring baffle in the combustion chamber, the ash discharging hole of bottom, combustion chamber, the base of below, combustion chamber.

In preferred embodiment of the present invention, said biomass boiler adopts the double grate structure.

In preferred embodiment of the present invention, said combustion chamber inner packet contains upper fire-grating and lower fire grating, and the combustion chamber is divided into the combustion chamber, preheating chamber and deashing chamber.

In preferred embodiment of the present invention, said upper fire-grating and lower fire grating all adopt resistant to elevated temperatures basalt fibre as material.

In preferred embodiment of the present invention, the heat exchanger tube that connects vaporization chamber is equipped with in said chimney inside.

The invention has the beneficial effects as follows: the present invention adopts the double grate structure, can improve the burn-off rate of fuel, makes burning more abundant, has improved the thermal efficiency of boiler.

Description of drawings

Fig. 1 is the cross-sectional view of a kind of double grate biomass boiler of the present invention;

Fig. 2 is the vertical view of a kind of double grate biomass boiler of the present invention;

Fig. 3 is the vertical view of upper fire-grating;

Fig. 4 is the vertical view of lower fire grating.

The mark of each parts is following in the accompanying drawing: 1, vaporization chamber, 2, the combustion chamber, 3, preheating chamber, 4, high temperature resistant housing, 5, pay-off; 6, blower fan, 7, ring baffle, 8, upper fire-grating, 9, lower fire grating; 10, deashing chamber, 11, ash discharging hole, 12, heat exchanger tube, 13, the water level meter; 14, steam (vapor) outlet, 15, economizer, 16, chimney, 17, base.

The specific embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.

Be illustrated in figure 1 as the profile of a kind of double grate biomass boiler of the present invention, comprise: high temperature resistant housing 4, vaporization chamber 1, the steam (vapor) outlet 14 of vaporization chamber top; Water level meter 13 in the vaporization chamber passes the chimney 16 of vaporization chamber, connects the economizer 15 of chimney; The combustion chamber 2 of vaporization chamber below, the pay-off 5 of connection combustion chamber, blower fan 6; Ring baffle 7 in the combustion chamber, the ash discharging hole 11 of bottom, combustion chamber, the base 17 of below, combustion chamber.

Further, said biomass boiler adopts the double grate structure.

Further, said combustion chamber inner packet contains upper fire-grating 8 and lower fire grating 9, and the combustion chamber is divided into combustion chamber 2, preheating chamber 3 and deashing chamber 10.Upper fire-grating adopts bigger slot; Can smaller particles be leaked on the lower fire grating; Lower fire grating adopts less circular hole, make after the fuel combustion ash can after be put in the deashing chamber, the particle burning of upper fire-grating is that vaporization chamber provides heat; The particle burning of lower fire grating plays the effect of a preheating to the particle of upper fire-grating, has improved the speed of firing of combustion chamber granular fuel.

Further, said upper fire-grating 8 all adopts resistant to elevated temperatures basalt fibre as material with lower fire grating 9.

Further; The heat exchanger tube 12 that connects vaporization chamber is equipped with in said chimney 16 inside; The exhaust temperature that boiler combustion is emitted is higher, and some heat exchanger tubes that communicate with vaporization chamber of the inner installation of chimney are realized the conversion of exhaust temperature; The use of economizer 15 has further reduced the temperature of tail gas, has improved the thermal efficiency.

The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (4)

1. a double grate biomass boiler comprises: high temperature resistant housing (4), vaporization chamber (1); Water level meter (13) in the steam (vapor) outlet (14) of vaporization chamber top, vaporization chamber passes the chimney (16) of vaporization chamber; The economizer (15) that connects chimney, the combustion chamber (2) of vaporization chamber below, the pay-off (5) of connection combustion chamber; Blower fan (6), the ring baffle in the combustion chamber (7), the ash discharging hole (11) of bottom, combustion chamber; The base (17) of below, combustion chamber is characterized in that said biomass boiler adopts the double grate structure.
2. a kind of double grate biomass boiler according to claim 1 is characterized in that, said combustion chamber inner packet contains upper fire-grating (8) and lower fire grating (9), and the combustion chamber is divided into combustion chamber (2), preheating chamber (3) and deashing chamber (10).
3. a kind of double grate biomass boiler according to claim 2 is characterized in that, said upper fire-grating (8) and lower fire grating (9) all adopt resistant to elevated temperatures basalt fibre as material.
4. a kind of double grate biomass boiler according to claim 1 is characterized in that, the heat exchanger tube (12) that connects vaporization chamber is equipped with in said chimney (16) inside.
CN2012101729043A 2012-05-30 2012-05-30 Double-grate biomass boiler CN102679305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101729043A CN102679305A (en) 2012-05-30 2012-05-30 Double-grate biomass boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101729043A CN102679305A (en) 2012-05-30 2012-05-30 Double-grate biomass boiler

Publications (1)

Publication Number Publication Date
CN102679305A true CN102679305A (en) 2012-09-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101729043A CN102679305A (en) 2012-05-30 2012-05-30 Double-grate biomass boiler

Country Status (1)

Country Link
CN (1) CN102679305A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266196A (en) * 2014-09-19 2015-01-07 王惠生 Biomass fuel pre-heating technique for garbage incineration treatment
CN104633917A (en) * 2015-02-10 2015-05-20 金俊青 Downward flame jet combustion energy-saving environment-friendly boiler and heat energy utilization method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2804612Y (en) * 2005-04-25 2006-08-09 阮玲君 Double-grate boiler for burning block-shape fuel
CN200961943Y (en) * 2006-07-11 2007-10-17 朱柏璋 Smoke-free water-cooling double-grate vertical right-combustion top-combustion normal atmosphere pressure boiler
CN202101218U (en) * 2011-05-17 2012-01-04 湖南三锦节能环保科技有限公司 Coal burning steam engine
CN102425785A (en) * 2011-10-28 2012-04-25 清华大学 Biomass combustion equipment with double fire grates
CN202675240U (en) * 2012-05-30 2013-01-16 郭丰亮 Biomass steam generator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2804612Y (en) * 2005-04-25 2006-08-09 阮玲君 Double-grate boiler for burning block-shape fuel
CN200961943Y (en) * 2006-07-11 2007-10-17 朱柏璋 Smoke-free water-cooling double-grate vertical right-combustion top-combustion normal atmosphere pressure boiler
CN202101218U (en) * 2011-05-17 2012-01-04 湖南三锦节能环保科技有限公司 Coal burning steam engine
CN102425785A (en) * 2011-10-28 2012-04-25 清华大学 Biomass combustion equipment with double fire grates
CN202675240U (en) * 2012-05-30 2013-01-16 郭丰亮 Biomass steam generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266196A (en) * 2014-09-19 2015-01-07 王惠生 Biomass fuel pre-heating technique for garbage incineration treatment
CN104633917A (en) * 2015-02-10 2015-05-20 金俊青 Downward flame jet combustion energy-saving environment-friendly boiler and heat energy utilization method thereof

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Application publication date: 20120919

C02 Deemed withdrawal of patent application after publication (patent law 2001)