CN204661633U - A kind of biomass generator - Google Patents
A kind of biomass generator Download PDFInfo
- Publication number
- CN204661633U CN204661633U CN201520083407.5U CN201520083407U CN204661633U CN 204661633 U CN204661633 U CN 204661633U CN 201520083407 U CN201520083407 U CN 201520083407U CN 204661633 U CN204661633 U CN 204661633U
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- Prior art keywords
- biomass
- biological particles
- generator
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- combustion equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The utility model discloses a kind of biomass generator, biomass material is entered drying plant after being pulverized by pulverizer and dries.Raw material after oven dry enters water cooler and cools.Cooled raw material, by entering biomass pellet fuel forming machine after preheater preheats, makes biological particles.Biological particles enters biological particles combustion equipment, and stirling generator heats.The tail gas of biological particles combustion equipment discharge, by after the process of combustion engine exhaust gas treating device, carries out preheating by air preheater to the air entering biological particles combustion equipment.The utility model realizes biological particles and cogeneration, the waste heat that can utilize biomass material efficiently and produce in power generation process, while generation economic benefit, alleviates the environmental pollution that crop straw burning causes.
Description
Technical field
The utility model belongs to biomass fermentation electrical domain, is specifically related to a kind of device and method of biomass power generation.
Background technology
The biomass resource of China is very abundant, and according to statistics, the stalk amount being often only farm crop generation just reaches 700,000,000 tons.Nearly 1.45 hundred million tons of existing stalk is used as livestock feed, and 0.91 hundred million ton is used as also field fertilizer, and 0.14 hundred million ton is used as industrial raw material, 1.8 hundred million tons of life fuels as peasant convention, and remaining stalk is almost all burned, and greatly wastes biomass resource; The main harm that crop straw burning produces has: cause serious topsoil, be detrimental to health.Cause traffic accident, affect road traffic and aviation safety.Initiation fire.Spoiled soil structure, causes farm land quality to decline.For this reason, utilize biomass power generation, the problem of environmental pollution that not only can solve stalk waste and cause due to crop straw burning; Can also energy-saving and emission-reduction be realized, drive related industries development; And can increase farmers' income and solve the problem of employment of peasant.
Biomass generation mainly contains biomass burning electricity generation, Biomass Gasification & Power Generation, the mixed combustion generating of biomass and marsh gas power generation.Wherein be most widely used with biomass burning electricity generation.Biomass burning electricity generation mode conventional is at present that biomass straw burns in the boiler, produces steam, drives steam turbine generating.This mode feature is technology maturation, compares the area being suitable for raw material and easily collecting, installed capacity larger (>25 megawatt), but also there are problems.Such as cost of investment high (specific investment 7519.77 yuan/KW, 30MW gross investment about 22559.3 ten thousand yuan), cost of electricity-generating are higher, biomass straw fuel purchase difficulty and the problem such as transportation cost is high.Cost of electricity-generating is lowered usually through cogeneration, but because biomass straw resource is all be distributed in from areas such as the rural areas away from city, cause by generating time produce delivery to the transport needed for densely populated city or pipeline laying expense higher, therefore cause to reduce cost of electricity-generating by cogeneration.Another one problem is that the biomass material density such as stalk are low, and has seasonality, therefore needing when generating electricity large-area raw material to pile up place, if raw material ratio is moister, raw material also can be caused mouldy, cause using.
Utility model content
The purpose of this utility model is to provide a kind of biomass generator and method, and to solve, the facility investment of existing biomass burning electricity generation is high, cost of electricity-generating is high, generating hot water cannot make full use of and need big area starting material to pile up the problem in place.
The utility model is achieved by the following technical solution:
A kind of biomass generator, comprise pulverizer, drying plant, feed cooler, feed preheater, biomass pellet fuel forming machine, biological particles combustion equipment, generator, second air preheater, combustion engine exhaust gas treating device, heat collector, described pulverizer connects described drying plant, described drying plant connects described feed cooler, described feed cooler connects described feed preheater, described feed preheater connects described biomass pellet fuel forming machine, described biomass pellet fuel forming machine connects described biological particles combustion equipment, described biological particles combustion equipment connects described generator, described biological particles combustion equipment connects described combustion engine exhaust gas treating device, described combustion engine exhaust gas treating device connects described second air preheater and heat collector, described heat collector connects described feed preheater, described second air preheater connects described biological particles combustion equipment.
Further, also comprise the first air preheater, hotblast stove, described feed cooler is connected described heat collector with described generator, described heat collector connects described first air preheater, described first air preheater connects described hotblast stove, and described hotblast stove connects described drying plant.
Further, described drying plant comprises air-flowing type baker or roller drying device.
Further, described generator is stirling generator, and described stirling generator connects described heat collector.
Further, described biomass pellet fuel forming machine comprises flat die forming machine or ring die forming machine.
Further, described biological particles combustion equipment, comprises biomass particle burning machine or biomass boiler burner.
A kind of biomass generation method, the method step is:
Step 1 biomass material is pulverized by pulverizer;
Raw material after step 2 pulverizing adds drying plant and carries out drying and processing;
Step 3, from drying plant raw material out, adds feed cooler and cools;
The incoming stock preheater of the cooled raw material of step 4 carries out preheating, and the heat needed for feed preheater comes from heat collector;
Biomass pellet fuel forming machine sent into by raw material after step 5 preheating, is pressed into biomass granule fuel;
Step 6 biomass granule fuel sends into biological particles combustion equipment, and biological particles combustion equipment burning particles, heats stirling generator;
The electricity that step 7 stirling generator sends, is powered to electrical network by transformer.
Further, the biomass material described in described step 1 comprises agricultural wastes and forestry waste.
Further, the feed cooler described in described step 3, uses water as heat-eliminating medium, and the moisture volatilized when discharging raw material cooling by blower fan.
Further, heat collector described in described step 4, comprise high temperature pond, middle Wen Chi and water cooling pond, comprise high temperature pond, middle Wen Chi and water cooling pond, described high temperature pond provides hot water to described feed preheater and described first air preheater, described water cooling pond provides cold water to described stirling generator, and the water that described feed preheater and described first air preheater return all enters middle Wen Chi.
The beneficial effects of the utility model are:
(1) the utility model adopts Stirling stirling generator, has that structure is simple, volume is little and efficiency high advantage, reduces cost of investment.
(2) the utility model adopts the waste heat produced during generating, dries and preheating, reduces energy consumption during biomass grain forming, realize the efficiency utilization of waste heat, reduce cost of electricity-generating starting material.
(3) loose biomass material is pressed into highdensity biological particles by the utility model, is convenient to starting material and deposits, and prevents raw material mouldy, decreases raw-material storage area simultaneously.
Accompanying drawing explanation
Fig. 1 process schematic representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of biomass generator of the utility model and method, device of the present utility model, comprises pulverizer, drying plant, feed cooler, feed preheater, biomass pellet fuel forming machine, biological particles combustion equipment, generator, second air preheater, combustion engine exhaust gas treating device, heat collector, first air preheater, hotblast stove, described pulverizer connects described drying plant, described drying plant connects described feed cooler, described feed cooler connects described feed preheater, described feed preheater connects described biomass pellet fuel forming machine, described biomass pellet fuel forming machine connects described biological particles combustion equipment, described biological particles combustion equipment connects described generator, described biological particles combustion equipment connects described second air preheater, described second air preheater connects described biological particles combustion equipment, described feed cooler, described combustion engine exhaust gas treating device is connected described heat collector with described generator, and described heat collector connects described first air preheater, and described first air preheater connects described hotblast stove, and described hotblast stove connects described drying plant.Described heat collector by hot water to described feed preheater heat supply.Described drying plant comprises air-flowing type baker or roller drying device.Described generator is stirling generator.Described biomass pellet fuel forming machine comprises flat die forming machine or ring die forming machine.Described biological particles combustion equipment, comprises biomass particle burning machine or biomass boiler burner.
Described pulverizer is used for pulverizing biomass material, described drying plant is used for carrying out drying and processing to raw material, the hot blast of described drying plant comes from hotblast stove, the hot water of described heat collector is by the first air preheater heat supply, preheating is carried out to the air entering hotblast stove, described feed cooler is used for cooling raw material, the water coolant of described feed cooler is from described heat collector, described feed preheater is used for carrying out preheating to raw material, described heat collector provides heat, raw material is pressed into biomass granule fuel by described biomass pellet fuel forming machine, described biological particles combustion equipment biomass burning granular fuel, described stirling generator is heated, described combustion engine exhaust gas treating device carries out preheating by the air in biological particles combustion equipment described in the second air preheater opponent.
The method steps of the present embodiment carries out in the following order:
Pulverized by pulverizer by the agriculture and forestry organic waste material such as stalk, branch, the granularity after pulverizing is for being less than 10mm.
The raw material of humidity feeding cylinder or air current drying machine are dried, controls its moisture between 10% ~ 15%.Need during oven dry to send into hot blast in drying plant, hot blast comes from hotblast stove.In order to make full use of the waste heat in power generation process, the hot water in heat collector being imported in the heat exchanger of the first air preheater, preheating being carried out to the air entering hotblast stove, saves the energy consumption of hotblast stove in this way.
Raw material after oven dry, because surface exists free water content, therefore needs to cool, moisture could be separated out from raw material.In order to the heat improving cooling efficiency and collect in drying material, the raw material out in baker is sent in water cooler and cools.During cooling, by the cold water in heat collector, be sent in the heat exchanger of water cooler, heat exchanger turns over throwing to raw material, thus cools raw material.The heat collected from raw material turns back in heat collector and reclaims.
Before being processed into biological particles by biomass pellet fuel forming machine, by feed preheater, preheating is carried out to raw material.Theoretical investigation shows, by biomass material waste heat to certain temperature, the xylogen in biomass material can be made more easily to soften, and then cause the easier compression moulding of biomass material, and reduce the energy consumption in pressing process.The heat of preheating comes from the high-temperature pool of heat collector.
Raw material after preheating is sent into biomass pellet fuel forming machine and is compressed into biological particles.Biomass pellet fuel forming machine can be flat die forming machine or ring die forming machine.From forming machine biological particles temperature out greatly about 50 ~ 100 DEG C, in order to make full use of heat, biological particles, without the need to cooling, is directly sent to biological particles combustion equipment and burns.
Biological particles combustion equipment burns to biological particles, carries out preheating during burning by the second air preheater to the air entering into combustion equipment, and the heat of preheating comes from the high-temperature tail gas of combustion equipment discharge.From the thermal-flame of combustion equipment ejection, stirling generator is heated, drive stirling generator to generate electricity.When stirling generator generates electricity, cold water in heat collector water cooling pond is transported to stirling generator, the water cooler of stirling generator is cooled, the temperature difference maintaining stirling generator high-temperature space and low temperature space is invariable, and then make generator speed keep constant, the quality of generating can be improved, be beneficial to, by transformer, voltage be transported to electrical network.
Heat collector of the present utility model plays the effect of heat collection and distribution, be made up of high temperature pond, middle Wen Chi and water cooling pond, in collector, there is water distribution system, this system is by the temperature in sensor automatic decision three ponds, the hot water entering into feed preheater and the first air preheater all comes from high temperature pond, water cooling pond is come to the water that stirling generator cools, and the hot water that feed preheater and the first air preheater return all enters middle Wen Chi process.
Ash content in power generation process is high-quality fertilizer, can collect and be processed into biomass fertilizers, is sold to peasant and uses, and then improve income, reduce costs.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.
Claims (6)
1. a biomass generator, it is characterized in that, comprise pulverizer, drying plant, feed cooler, feed preheater, biomass pellet fuel forming machine, biological particles combustion equipment, generator, second air preheater, combustion engine exhaust gas treating device, heat collector, described pulverizer connects described drying plant, described drying plant connects described feed cooler, described feed cooler connects described feed preheater, described feed preheater connects described biomass pellet fuel forming machine, described biomass pellet fuel forming machine connects described biological particles combustion equipment, described biological particles combustion equipment connects described generator, described biological particles combustion equipment connects described combustion engine exhaust gas treating device, described combustion engine exhaust gas treating device connects described second air preheater and heat collector, described heat collector connects described feed preheater, described second air preheater connects described biological particles combustion equipment.
2. a kind of biomass generator according to claim 1, it is characterized in that, also comprise the first air preheater, hotblast stove, described feed cooler is connected described heat collector with described generator, described heat collector connects described first air preheater, described first air preheater connects described hotblast stove, and described hotblast stove connects described drying plant.
3. a kind of biomass generator according to claim 1, it is characterized in that, described drying plant comprises air-flowing type baker or roller drying device.
4. a kind of biomass generator according to claim 1, it is characterized in that, described generator is stirling generator, and described stirling generator connects described heat collector.
5. a kind of biomass generator according to claim 1, it is characterized in that, described biomass pellet fuel forming machine comprises flat die forming machine or ring die forming machine.
6. a kind of biomass generator according to claim 1-5 any one, is characterized in that, described biological particles combustion equipment, comprises biomass particle burning machine or biomass boiler burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083407.5U CN204661633U (en) | 2015-02-06 | 2015-02-06 | A kind of biomass generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083407.5U CN204661633U (en) | 2015-02-06 | 2015-02-06 | A kind of biomass generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204661633U true CN204661633U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520083407.5U Withdrawn - After Issue CN204661633U (en) | 2015-02-06 | 2015-02-06 | A kind of biomass generator |
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| CN (1) | CN204661633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629850A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Biomass generating device and method |
| CN106047435A (en) * | 2016-07-08 | 2016-10-26 | 光大生物能源(含山)有限公司 | Pine needle burning power generation method |
-
2015
- 2015-02-06 CN CN201520083407.5U patent/CN204661633U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629850A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Biomass generating device and method |
| CN104629850B (en) * | 2015-02-06 | 2017-04-05 | 江苏大学 | A kind of biomass generator and method |
| CN106047435A (en) * | 2016-07-08 | 2016-10-26 | 光大生物能源(含山)有限公司 | Pine needle burning power generation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |