CN111288449A - Biomass material yard and biomass burning power generation system - Google Patents
Biomass material yard and biomass burning power generation system Download PDFInfo
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- CN111288449A CN111288449A CN202010088228.6A CN202010088228A CN111288449A CN 111288449 A CN111288449 A CN 111288449A CN 202010088228 A CN202010088228 A CN 202010088228A CN 111288449 A CN111288449 A CN 111288449A
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- biomass
- air
- power generation
- shed
- yard
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
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- Health & Medical Sciences (AREA)
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Abstract
The invention provides a biomass stock ground and a biomass incineration power generation system. The biomass stock ground comprises: the biomass storage bin comprises a material shed and an air pumping device, wherein an air pumping hole is formed in the material shed, and the air pumping device is communicated with the air pumping hole and used for pumping and collecting air in the biomass storage bin. According to the biomass stock ground, dust and peculiar smell in the biomass stock ground are prevented from leaking out, fog channeling and the like are prevented from polluting the external environment, and meanwhile, the influence of fog caused by accumulation, fermentation and heating under the condition that the moisture content of the biomass fuel is high is avoided, and the visual field is blurred due to the fog in the process of driving and material grabbing particularly in autumn foggy weather. According to the biomass incineration power generation system, the air in the biomass storage yard is used for incineration power generation, so that the pollution of the air in the biomass storage yard to the external environment is reduced, the near zero emission of the waste gas of the biomass storage yard is realized, and the incineration power generation efficiency is improved.
Description
Technical Field
The invention relates to the field of garbage treatment, in particular to a biomass stock ground and a biomass incineration power generation system.
Background
At present, the biomass power generation industry in China is developed vigorously, and a plurality of biomass power plants are established in various places. As the fuel quantity used by the biomass power plant is large, the fuel composition is complex, the fuel mainly comprises wood boards, barks, branches, rice hulls, straws and the like which are mixed and proportioned, and places needing a certain space are used for operation, unloading, storing, batching, feeding and stacking.
However, due to the peculiar smell of the biomass fuel, ash content, combustible fine particles, evaporation of fuel fermentation water vapor and the like, the running process has the potential safety hazards that peculiar smell, dust pollution and mist influence the driving working visual field and high-concentration dust is easy to explode, and certain negative effects are caused on the surrounding environment. Meanwhile, most of the current biomass power plants adopt fuel covering, stock ground spraying or conventional exhaust fans for ventilation and dust removal, so that the national environmental gas emission requirement and the peripheral 'proximity requirement' cannot be met, and the safety index is low, so that the safety index is not beneficial to the healthy operation and development of enterprises.
Therefore, it is necessary to provide a new biomass yard and biomass incineration power generation system to solve the problems in the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The invention provides a biomass material field which comprises a material shed and an air pumping device, wherein an air pumping hole is formed in the material shed, and the air pumping device is communicated with the air pumping hole and used for pumping and collecting air in the biomass material field.
Illustratively, the material shed comprises a closed or semi-closed arrangement space arranged by adopting a daylighting panel and/or color steel tiles.
Illustratively, a discharging area and a fire fighting channel are arranged in the material shed, and a fire fighting door and/or a safety door are arranged at the end part of the fire fighting channel.
Illustratively, at least two discharge areas are provided within the shed, the fire passage being provided between the at least two discharge areas.
Exemplarily, the material shed further comprises a plurality of suction ports which are uniformly distributed in the material shed.
Illustratively, a plurality of the suction ports communicate with each other and are connected to the air pumping device by a unified duct.
The invention also provides a biomass incineration power generation system, which comprises:
an incinerator for incinerating biomass feedstock, wherein the incinerator is in communication with the air pumping device of the biomass yard of any of claims 1-6, the air pumping device pumping air in the shed to the incinerator to assist in the incineration of the biomass feedstock by the incinerator.
The incinerator also comprises a primary air fan and a secondary air fan which are communicated with the incinerator, wherein the primary air fan is used for providing primary air for the incinerator, and the secondary air fan is used for providing secondary air for the incinerator.
Illustratively, the air pumping device is also communicated with the primary air fan and the secondary air fan and is used for conveying air in the biomass stock ground to the primary air fan and the secondary air fan.
According to the biomass material field, a closed and semi-closed design is adopted, dust, peculiar smell and fog generated in the discharging, storing, batching and feeding processes in the biomass material field are effectively controlled, the air pumping device is adopted to pump the control in the material shed to the outside, the dust and peculiar smell in the biomass material field are prevented from being leaked out, the pollution to the external environment caused by fog channeling and the like is prevented, and meanwhile, the fog generated due to the storage, fermentation and heating under the condition of high moisture content of biomass fuel is prevented from influencing the visual field, particularly, the visual field is blurred due to the fog in the driving material grabbing process in autumn and heavy fog weather. According to the biomass incineration power generation system, the air in the biomass storage yard is used for incineration power generation, so that the pollution of the air in the biomass storage yard to the external environment is reduced, the near zero emission of the waste gas of the biomass storage yard is realized, and the incineration power generation efficiency is improved.
Drawings
The following drawings of the invention are included to provide a further understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic diagram of a biomass farm according to one embodiment of the present invention;
FIG. 2 is a schematic view of the arrangement of the discharge area and the fire fighting access in the shed according to the invention
FIG. 3 is a schematic diagram of the distribution of suction ports in a biomass yard according to one embodiment of the present invention;
fig. 4 is a schematic configuration diagram of an incineration power generation system according to an embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In order to provide a thorough understanding of the present invention, a detailed description will be given in the following description to illustrate the biomass yard and the biomass incineration power generation system of the present invention. It will be apparent that the practice of the invention is not limited to the specific details known to those skilled in the art of waste treatment. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
At present, due to the reasons of peculiar smell, ash content, combustible fine particles, fuel fermentation water vapor evaporation and the like of biomass fuel, the potential safety hazards that peculiar smell, dust pollution and fog influence the driving working visual field and high-concentration dust is easy to explode exist in the operation process, and certain negative effects are caused on the surrounding environment. Meanwhile, most of the current biomass power plants adopt fuel covering, stock ground spraying or conventional exhaust fans for ventilation and dust removal, so that the national environmental gas emission requirement and the peripheral 'proximity requirement' cannot be met, and the safety index is low, so that the safety index is not beneficial to the healthy operation and development of enterprises.
Example one
In order to solve the problems in the prior art, the invention provides a biomass material field, which comprises a closed or semi-closed material shed and an air pumping device, wherein the material shed is provided with an air pumping hole, and the air pumping device is communicated with the air pumping hole and used for pumping and collecting air in the biomass material field.
The biomass farm of the present invention is schematically illustrated below with reference to fig. 1, 2 and 3, wherein fig. 1 is a schematic structural view of a biomass farm according to an embodiment of the present invention; figure 2 is a schematic view of the arrangement of the discharge area and the fire fighting access in the shed according to the invention; fig. 3 is a schematic diagram of the distribution of suction openings in a biomass yard according to one embodiment of the present invention.
Referring first to fig. 1, there is shown a schematic view of the structure of a biomass farm according to the present invention. The biomass stock ground comprises a material shed 10 and an air pumping device 11.
As shown in fig. 1, the material shed 10 is in a closed or semi-closed arrangement, the air pumping device 11 is arranged outside the material shed 10,
illustratively, the material shed side wall 101 around the material shed 10 is formed by surrounding with a lighting board, and the top 102 is sealed by color steel tiles to form a closed or semi-closed material shed.
It is to be understood that the present invention is exemplary only of the use of the skylight and/or color steel tiles to make the shed, and those skilled in the art will appreciate that any material that forms a sealed or semi-sealed shed is suitable for use in the present invention.
Illustratively, a discharging area and a fire fighting channel are arranged in the material shed, and a fire fighting door and/or a safety door are arranged at the end part of the fire fighting channel.
According to one example of the invention, at least two discharge zones are provided in the shed, the fire fighting tunnel being provided between said at least two discharge zones. With reference to fig. 2, a schematic view of the arrangement of the discharge area and the fire fighting access in the shed according to the invention is shown. As shown in figure 2, 4 discharging areas are arranged in the material shed, a cross fire-fighting channel is arranged between the 4 discharging areas, and fire doors and safety doors are arranged at two ends of the fire-fighting channel.
In the biomass raw material conveying process, the biomass raw material transport vehicle conveys the biomass raw material to each unloading area through a fire fighting access from the safety door, and the biomass raw material yard is driven from the safety door, and the fire fighting access is used as an escape passage for workers when a fire disaster or other dangerous accidents happen to the biomass raw material yard. Under the setting form of fire door, emergency exit, the material canopy is the semi-enclosed design. In other embodiments according to the present invention, other forms of material sheds may be provided, and any arrangement capable of preventing dust, odor and mist in the material sheds from diffusing out of the material sheds is suitable for the present invention.
With continued reference to fig. 1, a suction port 103 is also provided in the shed, and an air pumping device 11 is in communication with the suction port 103 for suction collection of air within the biomass yard.
The traditional biomass material yard adopts a form that a fan is arranged at the top to remove dust, peculiar smell, mist and the like, and can only cause ventilation circulation in the biomass material yard and cannot play a remarkable improvement role in the air environment in the biomass material yard, while the form of the exhaust fan has poor effect, cannot meet the national environmental gas emission requirement and the peripheral 'adjacent avoidance requirement', and has lower safety index. The invention adopts the air pumping device to collect the air containing dust, peculiar smell and mist in the biological material yard, on one hand, the dust, peculiar smell and mist in the biological material yard can be discharged out of the yard, the dust concentration, gas peculiar smell and mist humidity are reduced, the working environment of workers and equipment in the yard can be improved, the safety system is improved, on the other hand, the peculiar smell gas, dust and mist can be collected, and the pollution to the surrounding environment of the yard caused by directly discharging the peculiar smell gas, dust and mist can be avoided.
As shown in fig. 1, the controlled pumping device 11 is connected to the suction port 103 via a pipe 104. A suction port 103 is provided at the top of the shed 10 to maximise controlled pumping within the biomass yard.
Referring to fig. 3, a schematic diagram of the distribution of suction openings in a biomass yard according to one embodiment of the present invention is shown. As shown in fig. 3, a plurality of suction ports 103 are provided in the material shed, and are uniformly distributed on the top in the material shed, the suction ports 103 are communicated through branch pipes 1041, and each branch pipe 1041 connected to a suction port 103 is connected to a middle main pipe 1042, and the main pipe 1042 is communicated with the air pumping device 11, so that air in the material shed 101 is uniformly pumped and collected by the air pumping device.
In one embodiment according to the invention, the position and number of the suction openings provided in the shed are determined according to the size of the discharge area in the yard and the requirements of the desired ventilation effect.
Illustratively, the air pumping device comprises a centrifugal fan. Further, exemplarily, the centrifugal fan is a variable frequency centrifugal fan. In one example according to the present invention, the air pumping device is connected to the incineration power generation system, so that the efficiency of the ventilator for pumping the air of the biomass yard and the efficiency of the incineration power generation system can be adjusted by adjusting the air volume of the ventilator, the ventilation pumping amount, and the air volume required for the incineration power generation system.
Example two
The invention also provides a biomass incineration power generation system, which comprises the biomass stock ground and an incineration power generation system, wherein the incineration power generation system is used for incinerating the biomass raw material to generate power, the biomass stock ground is communicated with the air pumping device of the incineration power generation system, and the air pumping device pumps air in the biomass stock ground to the incineration power generation system to assist the incineration power generation system in incinerating the biomass raw material.
An incineration power generation system according to an embodiment of the present invention is exemplarily described below with reference to fig. 4, and fig. 4 is a schematic configuration diagram of the incineration power generation system according to an embodiment of the present invention.
As shown in fig. 4, the biomass burning power generation system includes an incinerator 12, which is communicated with an air pumping device 11 of a biomass yard shown in one embodiment, and the air pumping device pumps air in the shed to the incinerator 12 to assist burning of biomass raw materials of the incinerator.
After being conveyed to an incinerator, the biomass garbage is incinerated in an incinerator hearth, high-temperature flue gas is generated and discharged, heat exchange is carried out between the waste heat boiler and the discharged high-temperature flue gas to generate superheated steam, and a steam turbine uses the superheated steam as a heat source to generate electricity. In the process of burning the biomass garbage by the incinerator, primary air and/or secondary air are often required to be introduced into the incinerator to fully burn the biomass garbage, the primary air enters the hearth from the lower part of the grate for ignition, and the secondary air is sprayed from the upper part of the grate to disturb airflow so that the biomass garbage is completely burnt.
Referring to fig. 4, the incineration power generation system further includes a primary fan 13 and a secondary fan 14, the primary fan 13 being configured to supply primary air to the incinerator 12, and the secondary fan 14 being configured to supply secondary air to the incinerator 12.
In one example according to the invention, the air pumping device 11 is in communication with said primary fan 13 and said secondary fan 14, delivering the air sucked and collected from the shed 10 to the primary fan 13 and the secondary fan 14.
Air pumping device sends the air pump in the material canopy to primary air fan and secondary air fan, forwards for burning furnace's primary air and overgrate air through primary air fan and secondary air fan, promotes the efficiency of burning furnace on the one hand, and on the other hand also makes the waste gas of suction burn the back through burning furnace, realizes the zero release of the waste gas in living beings stock ground, has reduced the pollution of air in the living beings stock ground to external environment.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The biomass material field is characterized by comprising a material shed and an air pumping device, wherein an air pumping hole is formed in the material shed, and the air pumping device is communicated with the air pumping hole and used for pumping and collecting air in the biomass material field.
2. The biomass yard according to claim 1, wherein said shed comprises a closed or semi-closed space provided with lighting panels and/or color steel tiles.
3. The biomass yard according to claim 1, wherein a discharge area and a fire-fighting tunnel are provided in said shed, and a fire-fighting gate and/or a safety gate is provided at the end of said fire-fighting tunnel.
4. The biomass yard of claim 2, wherein at least two discharge areas are provided within said shed, said fire-fighting tunnel being provided between said at least two discharge areas.
5. The biomass yard of claim 1, further comprising a plurality of said suction openings uniformly distributed within said shed.
6. The biomass yard according to claim 5, wherein a plurality of said suction ports are in communication with each other and connected to said air pumping means by a unified pipe.
7. A biomass incineration power generation system, comprising:
an incinerator for incinerating biomass feedstock, wherein the incinerator is in communication with the air pumping device of the biomass yard of any of claims 1-6, the air pumping device pumping air in the shed to the incinerator to assist in the incineration of the biomass feedstock by the incinerator.
8. The biomass-fired power generation system according to claim 7, further comprising a primary air fan and a secondary air fan in communication with the incinerator, the primary air fan being configured to provide primary air to the incinerator and the secondary air fan being configured to provide secondary air to the incinerator.
9. The biomass incineration power generation system of claim 8, wherein the air pumping device is further in communication with the primary air fan and the secondary air fan to deliver air in the biomass yard to the primary air fan and the secondary air fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088228.6A CN111288449A (en) | 2020-02-12 | 2020-02-12 | Biomass material yard and biomass burning power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010088228.6A CN111288449A (en) | 2020-02-12 | 2020-02-12 | Biomass material yard and biomass burning power generation system |
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| CN111288449A true CN111288449A (en) | 2020-06-16 |
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2020
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| JPS61111185A (en) * | 1984-11-02 | 1986-05-29 | 石川島播磨重工業株式会社 | Malodor-leakage preventive structure |
| CN206064101U (en) * | 2016-08-31 | 2017-04-05 | 甘肃祁牧乳业有限责任公司 | The remove device of bad smell in a kind of feces biomass fuel pressing process |
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| CN109974016A (en) * | 2019-04-15 | 2019-07-05 | 中国恩菲工程技术有限公司 | Trash repository deodoration system and method |
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| CN110567082A (en) * | 2019-09-19 | 2019-12-13 | 河北纳格新材料科技有限公司 | Device for purifying air of plant containing combustible pollutants |
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Application publication date: 20200616 |