CN102748772B - High-moisture vinasse fuel direct-fired boiler system - Google Patents
High-moisture vinasse fuel direct-fired boiler system Download PDFInfo
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- CN102748772B CN102748772B CN201210258521.8A CN201210258521A CN102748772B CN 102748772 B CN102748772 B CN 102748772B CN 201210258521 A CN201210258521 A CN 201210258521A CN 102748772 B CN102748772 B CN 102748772B
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Abstract
The invention discloses a high-moisture vinasse fuel direct-fired boiler system which comprises a screw conveyer, a boiler, a dust remover, a drying gasification combustion device and an air distribution system, wherein the boiler comprises a hearth, a hearth feed inlet, a hearth discharge hole, hearth air inlets positioned on the front side wall and the rear side wall of the hearth, a hearth air outlet, a chain grate arranged between the hearth feed inlet and the hearth discharge hole and a water cooling grate arranged at the hearth feed inlet; an inlet end of the drying gasification combustion device is connected with the screw conveyer, and an outlet end of the drying gasification combustion device is connected to the front side wall of the hearth between the hearth air inlets and the hearth feed inlet; and the air distribution system comprises primary air sent into the hearth from the hearth air outlet, secondary air sent into the hearth respectively from the hearth air inlet and the hearth feed inlet and circulation air which is introduced from the rear end of the dust remover and sent into the drying gasification combustion device. The high-moisture vinasse fuel direct-fired boiler system can be used for realizing the direct burning of high-moisture vinasse and reducing the quantity of support equipment.
Description
Technical field
The present invention relates to a kind of steam generator system, be specifically related to a kind of high-moisture vinasse fuel direct combustion steam generator system.
Background technology
At present, the vinasse water content that brewery's wine brewing produces generally will be in 60% left and right, and the resource that takes up room is large, and environment is produced to serious pollution.How vinasse are carried out to the problem that recycling treatment becomes liquor industry and other industry research.If as fuel, the first kind of way conventionally adopting is first vinasse to be dried and burnt by it, the second way is by vinasse and coal mixed combustion.
What first kind of way adopted is vinasse drying system (seeing Fig. 1) and vinasse combustion system.Vinasse drying system comprises incinerator 1, drying roller 2, water dust scrubber 3 and air-introduced machine 4.First use coal as fuel, in the burner hearth of incinerator 1, burn, produce high-temperature flue gas, again high-temperature flue gas is introduced to 2 li of drying rollers, moisture from vinasse notch 21 enters drying roller 2 is divided into 60% wet vinasse and dries moisture 15% the distiller's dried grain that is divided into, by distiller's dried grain, export 22 again and draw, using this as fuel, then deliver to burning generation steam in chain fire-gate boiler.The shortcoming of which is:
(1) need to as auxiliary fuel, dry wet vinasse with coal, so energy consumption is large;
(2) whole system is complicated, equipment is many, floor space is large;
(3) operating cost is high.
What the second way adopted is vinasse combustion system (seeing Fig. 2), and this system comprises conveying worm 5, boiler 6 and deduster 3 and air-introduced machine 4 etc.After coal is mixed by a certain percentage with wet vinasse, directly by conveying worm 5, send into burning in the burner hearth of boiler 6 and produce steam.The shortcoming of which is:
(1) need to use coal as auxiliary fuel, so energy consumption is also larger, energy-saving effect is not obvious;
(2) treating capacity of vinasse is restricted.
Summary of the invention
The object of this invention is to provide a kind of high-moisture vinasse fuel direct combustion steam generator system, it can reduce energy consumption greatly, has realized the direct burning of high-moisture vinasse, can also reduce the quantity of corollary equipment, simplifies whole system, dwindles site area.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of high-moisture vinasse that utilize are as the method for boiler direct combustion fuel, be implemented in a kind of high-moisture vinasse fuel direct combustion steam generator system, this steam generator system comprises conveying worm, boiler, deduster, drying, gasifying burner and blowing system, described boiler comprises burner hearth, be positioned at the burner hearth feeding port of the bottom of burner hearth front side wall, be positioned at the burner hearth discharging opening of the bottom of burner hearth rear wall, be positioned at before burner hearth, burner hearth uptake on rear wall, be located at air port under the burner hearth on burner hearth base plate and be located at the bottom of burner hearth and be applied in described burner hearth feeding port and described burner hearth discharging opening between traveling-grate stoker, described boiler also comprises the water-cooled grate that is located at described burner hearth feeding port, described drying, gasifying burner is drum-type device, the entrance point of this drying, gasifying burner is connected with described conveying worm, the port of export of this drying, gasifying burner be connected to and described burner hearth front side wall on and between described burner hearth uptake and burner hearth feeding port, described blowing system comprises that air port is sent into a wind of burner hearth, at described burner hearth uptake and described burner hearth feeding port, sent into the Secondary Air of burner hearth and the circulated air of being introduced and being sent into from the import of described dry gasification device by the rear end of described deduster respectively from described burner hearth,
Said method comprising the steps of:
Step 1, described high-moisture vinasse enter in described drying, gasifying burner, and the radiant heat that utilizes described circulated air and absorb described burner hearth is dried, the anoxycausis of gasification and part vinasse;
Step 2, the vinasse of failing to carry out anoxycausis enter the burner hearth of described boiler, first on described water-cooled grate, utilize described Secondary Air to sow to suspend in described burner hearth combustion, the vinasse that fire of failing to suspend drop on described traveling-grate stoker by deadweight, utilize a described wind to carry out grate firing, until whole vinasse after-flame.
Above-mentioned utilizes high-moisture vinasse as the method for boiler direct combustion fuel, and wherein, when carrying out step 1, described high-moisture vinasse are first by the described drying, gasifying burner of delivering into of conveying worm.
The advantage that high-moisture vinasse fuel direct combustion steam generator system of the present invention compared with prior art has is:
1. without adopting auxiliary fuel coal, greatly reduce energy consumption, realized the direct burning of high moisture content vinasse;
2. in drying, gasifying burner, make high-moisture vinasse be dried and make part vinasse anoxycausis to realize gasification of biomass simultaneously, reduced the quantity of corollary equipment, make whole system simplification and dwindle site area;
3. what fire grate adopted is preposition water-cooled grate and chain fire-gate combination, realizes suspension combustion and the grate firing of vinasse, guarantees vinasse completing combustion, improves efficiency of combustion;
4. what air distribution adopted is the mode that primary and secondary air and circulated air combine, and wind provides the required air that burns of the vinasse in burner hearth; Secondary Air makes vinasse fully mix with the air in burner hearth, promotes burning; Circulation wind energy plays the effect of dry vinasse.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vinasse drying system of prior art;
Fig. 2 is the structural representation of the vinasse combustion system of prior art;
Fig. 3 is the structural representation of high-moisture vinasse fuel direct combustion steam generator system.
The specific embodiment
In order to make those skilled in the art can understand better technical scheme of the present invention, below in conjunction with accompanying drawing, its specific embodiment is described in detail:
Refer to Fig. 3, high-moisture vinasse fuel direct combustion steam generator system, comprises conveying worm 5, boiler 6, deduster 7, drying, gasifying burner 8 and blowing system, wherein:
Boiler 6 comprise burner hearth 60, the burner hearth feeding port 61 of the bottom of burner hearth front side wall, the burner hearth discharging opening 62 of the bottom of burner hearth rear wall, the burner hearth uptake 63,64 of the forward and backward sidewall of burner hearth, be located at air port 65 under the burner hearth on burner hearth base plate, be located at the bottom of burner hearth 60 and be applied in burner hearth feeding port 61 and burner hearth discharging opening 62 between traveling-grate stoker 66 and be located at the water-cooled grate 67 of burner hearth feeding port 61;
Drying, gasifying burner 8 is drum-type device, and its entrance point is connected with the tail end of conveying worm 5, and the port of export of drying, gasifying burner 8 is connected on burner hearth front side wall and between burner hearth uptake 63 and burner hearth feeding port 61;
Blowing system comprises that wind 91, Secondary Air 92 and 93, wind 91 of circulated air air port 65 from burner hearth sends into burner hearth 60, and vinasse in the burner hearth 60 required air that burns is provided; Secondary Air 92 is sent into burner hearth 60 at burner hearth uptake 63,64 and burner hearth feeding port 61 respectively, and vinasse are fully mixed with the air in burner hearth 60, promotes burning; Circulated air 93 is introduced and is sent into dry gasification device 8 from the import of dry gasification device 8 by the rear end of deduster 7, can play dry vinasse.
The high-moisture vinasse that utilize of the present invention, as the method for boiler direct combustion fuel, are implemented in above-mentioned high-moisture vinasse fuel direct combustion steam generator system, and the method comprises the following steps:
Step 1, high-moisture vinasse enter drying, gasifying burner 2 by conveying worm 5, and the radiant heat that utilizes circulated air 93 and absorb burner hearth 60 is dried, the anoxycausis of gasification and part vinasse;
Step 2, the vinasse of failing to carry out anoxycausis enter the burner hearth 60 of boiler 6, first on water-cooled grate 67, utilize Secondary Air 92 that vinasse are blown afloat, broken up and sow the combustion that suspends in burner hearth 60, the vinasse of failing to carry out suspension combustion drop on traveling-grate stoker 66 and utilize a wind 91 to carry out grate firing by deadweight, until whole vinasse after-flames.
The high-moisture vinasse that utilize of the present invention as the square ratio juris of boiler direct combustion fuel are: water content is that 60% high-moisture vinasse are transported in drying, gasifying burner 8 by conveying worm 5, utilize the radiant heat of circulated air 93 absorption boiler, by thermal conversion make that vinasse are dry, gasification and anoxycausis, complete the ignition process of vinasse; Then enter boiler 6, first on the water-cooled grate in burner hearth 60 67, utilize Secondary Air 92 to form suspension combustion, then on traveling-grate stoker 66, utilize a wind 91 to realize grate firing, complete burning and the after-flame process of vinasse.The heat that part vinasse produce when anoxycausis promotes again dry, gasification and the anoxycausis of vinasse with the radiant heat stack of boiler 6.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present invention.
Claims (2)
1. one kind is utilized high-moisture vinasse as the method for boiler direct combustion fuel, be implemented in a kind of high-moisture vinasse fuel direct combustion steam generator system, this steam generator system comprises conveying worm, boiler, deduster, drying, gasifying burner and blowing system, described boiler comprises burner hearth, be positioned at the burner hearth feeding port of the bottom of burner hearth front side wall, be positioned at the burner hearth discharging opening of the bottom of burner hearth rear wall, be positioned at before burner hearth, burner hearth uptake on rear wall, be located at air port under the burner hearth on burner hearth base plate and be located at the bottom of burner hearth and be applied in described burner hearth feeding port and described burner hearth discharging opening between traveling-grate stoker, described boiler also comprises the water-cooled grate that is located at described burner hearth feeding port, described drying, gasifying burner is drum-type device, the entrance point of this drying, gasifying burner is connected with described conveying worm, the port of export of this drying, gasifying burner be connected to and described burner hearth front side wall on and between described burner hearth uptake and burner hearth feeding port, described blowing system comprises that air port is sent into a wind of burner hearth, at described burner hearth uptake and described burner hearth feeding port, sent into the Secondary Air of burner hearth and the circulated air of being introduced and being sent into from the import of described dry gasification device by the rear end of described deduster respectively from described burner hearth,
It is characterized in that, said method comprising the steps of:
Step 1, described high-moisture vinasse enter in described drying, gasifying burner, and the radiant heat that utilizes described circulated air and absorb described burner hearth is dried, the anoxycausis of gasification and part vinasse;
Step 2, the vinasse of failing to carry out anoxycausis enter the burner hearth of described boiler, first on described water-cooled grate, utilize described Secondary Air to sow to suspend in described burner hearth combustion, the vinasse that fire of failing to suspend drop on described traveling-grate stoker by deadweight, utilize a described wind to carry out grate firing, until whole vinasse after-flame.
2. the high-moisture vinasse that utilize according to claim 1, as the method for boiler direct combustion fuel, is characterized in that, when carrying out step 1, described high-moisture vinasse are first by the described drying, gasifying burner of delivering into of conveying worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258521.8A CN102748772B (en) | 2012-07-25 | 2012-07-25 | High-moisture vinasse fuel direct-fired boiler system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258521.8A CN102748772B (en) | 2012-07-25 | 2012-07-25 | High-moisture vinasse fuel direct-fired boiler system |
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| CN102748772A CN102748772A (en) | 2012-10-24 |
| CN102748772B true CN102748772B (en) | 2014-10-15 |
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| CN201210258521.8A Active CN102748772B (en) | 2012-07-25 | 2012-07-25 | High-moisture vinasse fuel direct-fired boiler system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138676A (en) * | 1995-06-16 | 1996-12-25 | 东方锅炉厂 | Garbage incineration furnace |
| CN1519062A (en) * | 2003-01-25 | 2004-08-11 | 徐宝安 | Tail gas combustion-supporting equipment for retrieving condensation water by dehydrating housedhold garbage |
| EP1772511A1 (en) * | 2004-06-01 | 2007-04-11 | Japan Science and Technology Agency | Solid-fuel gasification system |
| CN102042584A (en) * | 2011-01-04 | 2011-05-04 | 华北电力大学 | Novel biomass direct-fired boiler |
| CN202709161U (en) * | 2012-07-25 | 2013-01-30 | 上海工业锅炉研究所 | High-moisture vinasse fuel direct-fired boiler system |
-
2012
- 2012-07-25 CN CN201210258521.8A patent/CN102748772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138676A (en) * | 1995-06-16 | 1996-12-25 | 东方锅炉厂 | Garbage incineration furnace |
| CN1519062A (en) * | 2003-01-25 | 2004-08-11 | 徐宝安 | Tail gas combustion-supporting equipment for retrieving condensation water by dehydrating housedhold garbage |
| EP1772511A1 (en) * | 2004-06-01 | 2007-04-11 | Japan Science and Technology Agency | Solid-fuel gasification system |
| CN102042584A (en) * | 2011-01-04 | 2011-05-04 | 华北电力大学 | Novel biomass direct-fired boiler |
| CN202709161U (en) * | 2012-07-25 | 2013-01-30 | 上海工业锅炉研究所 | High-moisture vinasse fuel direct-fired boiler system |
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| CN102748772A (en) | 2012-10-24 |
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Address after: 201114 Room 101 and 201, 4 building, 138 new Chun Ring Road, Minhang District, Shanghai. Co-patentee after: SHANGHAI JIELIAN ELECTROMECHANICAL WHOLE SET Co.,Ltd. Patentee after: SHANGHAI INDUSTRIAL BOILER RESEARCH INSTITUTE Co.,Ltd. Address before: 200071 Shanghai city Zhabei District Baochang Road No. 297 Co-patentee before: SHANGHAI JIELIAN ELECTROMECHANICAL WHOLE SET Co.,Ltd. Patentee before: SHANGHAI INDUSTRIAL BOILER Research Institute |
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