CN110787612A - Biomass power generation recycling device and method - Google Patents
Biomass power generation recycling device and method Download PDFInfo
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- CN110787612A CN110787612A CN201911019527.8A CN201911019527A CN110787612A CN 110787612 A CN110787612 A CN 110787612A CN 201911019527 A CN201911019527 A CN 201911019527A CN 110787612 A CN110787612 A CN 110787612A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/343—Heat recovery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a biomass power generation recycling device which comprises a power generation cell, a first heat exchanger, a second heat exchanger, a first pipeline, a second pipeline, a third pipeline, a dust remover, an induced draft fan, a fourth pipeline and a desulfurizing tower, wherein the first heat exchanger and the second heat exchanger are arranged on one side of the power generation cell; the dust remover is connected with the first heat exchanger; the induced draft fan is arranged on one side of the dust remover and is connected with the dust remover through a fourth pipeline; the desulfurizing tower is connected with the induced draft fan through the heat exchanger II, and the device can recycle the flue gas generated after biomass combustion, so that the heat generated by combustion is transferred to water resources, and the cyclic utilization of the heat of the flue gas is realized.
Description
Technical Field
The invention relates to the technical field of biomass power generation, in particular to a biomass power generation recycling device and method.
Background
The biomass power generation is power generation by using biomass energy of biomass, is one of renewable energy power generation, and comprises direct combustion power generation of agricultural and forestry waste, gasification power generation of agricultural and forestry waste, waste incineration power generation, landfill gas power generation and methane power generation. World biomass power generation originated in the 70 th 20 th century, and when global oil crisis had broken out, danish began to actively develop clean renewable energy and vigorously pursue biomass power generation such as straw.
In recent years, with the continuous development of the industrial level of China, the energy consumption is also increased year by year. In order to realize the strategic goal of sustainable development in China, on one hand, the utilization of new energy needs to be developed, on the other hand, the energy utilization efficiency of the existing industrial process needs to be improved, and reasonable and full utilization of energy is realized under the double-pipe condition. Biomass power generation is always the main industry in the power generation industry of China, and the exhaust gas temperature of a boiler is generally over 120 ℃. The amount of flue gas generated by the boiler is huge, so that the heat has great application prospect. At present, boiler smoke exhaust waste heat utilization mainly has two kinds of modes: firstly, directly utilize the flue gas waste heat, for example: drying coal types with high moisture such as brown coal and the like by using the waste heat of the flue gas; secondly, carry out thermal transmission with the flue gas waste heat through heat transfer device, for example: the method provides a stable heat source for a low-temperature waste heat power generation device (ORC waste heat power generation device) based on organic working medium Rankine cycle, converts the waste heat of the flue gas into electric energy, and utilizes the electric energy more efficiently.
At present, few developments are available in the market of devices for generating electricity by recycling biomass, which directly causes unreasonable and insufficient utilization of resources and is not beneficial to the development process of the sustainable society of China.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a biomass power generation recycling device which can recycle flue gas generated after biomass combustion, so that heat generated by combustion is transferred to water resources, and recycling of the heat of the flue gas is realized.
The invention provides a biomass power generation recycling device which comprises a power generation cell, a heat exchanger I, a heat exchanger II, a first pipeline, a second pipeline, a third pipeline, a dust remover, an induced draft fan, a fourth pipeline and a desulfurizing tower, wherein the power generation cell is arranged on the ground and is used for burning fuel and generating power; the first heat exchanger and the second heat exchanger are arranged on one side of the hair-generating battery, the hair-generating battery is connected with the first heat exchanger through a first pipeline, the hair-generating battery is connected with the second heat exchanger through a second pipeline, the first heat exchanger is connected with the second heat exchanger through a third pipeline, liquid water is contained in the first pipeline, the second pipeline and the third pipeline, and the first heat exchanger and the second heat exchanger are dividing wall type heat exchangers; the dust remover is connected with the first heat exchanger; the induced draft fan is arranged on one side of the dust remover and is connected with the dust remover through a fourth pipeline; the desulfurizing tower is arranged on the ground, and the desulfurizing tower is connected with the induced draft fan through a heat exchanger II.
The first pipeline, the second pipeline, the third pipeline and the fourth pipeline are double flues.
And a chimney is arranged at the top of the desulfurizing tower and is vertically and upwards arranged.
The end part of the chimney is connected with a sealed pool filled with sodium hydroxide solution.
The first heat exchanger and the second heat exchanger are made of corrosion-resistant high-quality steel.
The lowest working temperature of the desulfurizing tower is 80 ℃, and the desulfurizing tower is made of high-temperature resistant materials.
The dividing wall type heat exchanger is a serpentine tube type dividing wall type heat exchanger.
A biomass power generation recycling method adopts a biomass power generation recycling device, and comprises the following steps: performing fuel combustion in a power generation cell to generate power; opening the first heat exchanger and the second heat exchanger; opening a dust remover and an induced draft fan in sequence; and opening a switch between the desulfurizing tower on the second heat exchanger and the induced draft fan.
The biomass power generation recycling device provided by the invention has the advantages that: according to the biomass power generation recycling device provided by the structure, flue gas generated by biomass combustion is recycled, so that the recycling efficiency of resources is improved; the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all double flues, so that the backflow phenomenon of smoke generated by boiler combustion can be prevented; the chimney is arranged at the top of the desulfurizing tower and used for discharging harmful gases such as sulfur dioxide, sulfur trioxide and the like generated by combustion; the end part of the chimney is connected with the sealing pool filled with the sodium hydroxide solution, so that sulfur dioxide generated by combustion of biomass discharged from the chimney is absorbed by the sodium hydroxide solution when sulfur trioxide gas is introduced into the sealing pool, and the pollution to the atmosphere caused by discharge of the sulfur trioxide gas is prevented; through setting up the dividing wall type heat exchanger for snakelike tubular dividing wall type heat exchanger, be favorable to increasing the inside thermal transmission stroke of dividing wall type heat exchanger, make the heat fully transmit, improve the cyclic utilization efficiency of living beings.
Drawings
Fig. 1 is a schematic structural diagram of a biomass power generation recycling device and method provided by the invention.
In the figure: 100. the device comprises a generator cell, 200, a first heat exchanger, 300, a second heat exchanger, 400, a first pipeline, 500, a second pipeline, 600, a third pipeline, 700, a dust remover, 800, an induced draft fan, 900, a fourth pipeline, 1000, a desulfurizing tower, 1100 and a chimney.
Detailed Description
As shown in fig. 1, fig. 1 is a biomass power generation recycling device disclosed by the present invention, which can recycle flue gas generated after biomass combustion, so that heat generated by combustion is transferred to water resources, thereby realizing recycling of flue gas heat.
Referring to fig. 1, the biomass power generation recycling device provided by the invention comprises a power generation cell 100, a first heat exchanger 200, a second heat exchanger 300, a first pipeline 400, a second pipeline 500, a third pipeline 600, a dust remover 700, an induced draft fan 800, a fourth pipeline 900 and a desulfurizing tower 1000, wherein the power generation cell 100 is arranged on the ground, and the power generation cell 100 is used for combusting fuel and generating power; the first heat exchanger 200 and the second heat exchanger 300 are arranged on one side of the power generation pool 100, the power generation pool 100 is connected with the first heat exchanger 200 through a first pipeline 400, the power generation pool 100 is connected with the second heat exchanger 300 through a second pipeline 500, the first heat exchanger 200 is connected with the second heat exchanger 300 through a third pipeline 600, liquid water is filled in the first pipeline 400, the second pipeline 500 and the third pipeline 600, the first heat exchanger 200 and the second heat exchanger 300 are dividing wall type heat exchangers, smoke of the dividing wall type heat exchangers flows outside the tubes, and water flows inside the tubes; the dust remover 700 is connected with the first heat exchanger 200; the induced draft fan 800 is arranged on one side of the dust remover 700, and the induced draft fan 800 is connected with the dust remover 700 through a fourth pipeline 900; the desulfurizing tower 1000 is arranged on the ground, and the desulfurizing tower 1000 is connected with the induced draft fan 800 through the second heat exchanger 300.
No. one pipeline 400, No. two pipeline 500, No. three pipeline 600 and No. four pipeline 900 are two flues. The arrangement of the double flues can prevent the backflow phenomenon of the flue gas generated by the combustion of the boiler.
The top of the desulfurizing tower 1000 is provided with a chimney 1100, and the chimney 1100 is arranged vertically upwards. The stack 1100 is used to discharge harmful gases such as sulfur dioxide and sulfur trioxide generated by combustion.
The end of the chimney 1100 is connected to a sealed tank containing sodium hydroxide solution. Sulfur dioxide generated by the combustion of biomass discharged from the chimney 1100 is absorbed by sodium hydroxide solution when sulfur trioxide gas is introduced into the sealed pool, so that the pollution to the atmosphere caused by the discharge of the sulfur trioxide gas is prevented.
The first heat exchanger 200 and the second heat exchanger 300 are made of corrosion-resistant high-quality steel. The corrosion-resistant high-quality steel can ensure that the first heat exchanger 200 and the second heat exchanger 300 can work stably.
The lowest working temperature of the desulfurizing tower 1000 is 80 ℃, and the desulfurizing tower 1000 is made of high-temperature resistant materials. The flue gas temperature generated by the fuel combustion in the power generation cell 100 is very high, and the high temperature resistant material ensures the smooth and normal desulfurization work of the desulfurization tower 1000.
The dividing wall type heat exchanger is a serpentine tube type dividing wall type heat exchanger. The serpentine tube type heat exchanger is beneficial to increasing the transfer stroke of heat inside the dividing wall type heat exchanger, so that the heat is fully transferred, and the recycling efficiency of biomass is improved.
A biomass power generation recycling method adopts a biomass power generation recycling device, and comprises the following steps: fuel combustion is performed in the power generation cell 100 to generate power; opening the first heat exchanger 200 and the second heat exchanger 300; sequentially opening a dust remover 700 and an induced draft fan 800; and opening a switch between the desulfurizing tower 1000 on the second heat exchanger 300 and the induced draft fan 800.
In conclusion, the biomass power generation recycling device provided by the structure of the invention recycles the flue gas generated by biomass combustion, so that the recycling efficiency of resources is improved; the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all double flues, so that the backflow phenomenon of smoke generated by boiler combustion can be prevented; the chimney is arranged at the top of the desulfurizing tower and used for discharging harmful gases such as sulfur dioxide, sulfur trioxide and the like generated by combustion; the end part of the chimney is connected with the sealing pool filled with the sodium hydroxide solution, so that sulfur dioxide generated by combustion of biomass discharged from the chimney is absorbed by the sodium hydroxide solution when sulfur trioxide gas is introduced into the sealing pool, and the pollution to the atmosphere caused by discharge of the sulfur trioxide gas is prevented; through setting up the dividing wall type heat exchanger for snakelike tubular dividing wall type heat exchanger, be favorable to increasing the inside thermal transmission stroke of dividing wall type heat exchanger, make the heat fully transmit, improve the cyclic utilization efficiency of living beings.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equivalent replacement or change according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The biomass power generation recycling device is characterized by comprising a power generation cell (100), a first heat exchanger (200), a second heat exchanger (300), a first pipeline (400), a second pipeline (500), a third pipeline (600), a dust remover (700), an induced draft fan (800), a fourth pipeline (900) and a desulfurizing tower (1000), wherein the power generation cell (100) is arranged on the ground, and the power generation cell (100) is used for combusting fuel and generating power; the heat exchanger I (200) and the heat exchanger II (300) are arranged on one side of the power generation cell (100), the power generation cell (100) is connected with the heat exchanger I (200) through a first pipeline (400), the power generation cell (100) is connected with the heat exchanger II (300) through a second pipeline (500), the heat exchanger I (200) is connected with the heat exchanger II (300) through a third pipeline (600), liquid water is filled in the first pipeline (400), the second pipeline (500) and the third pipeline (600), and the heat exchanger I (200) and the heat exchanger II (300) are recuperative heat exchangers; the dust remover (700) is connected with the first heat exchanger (200); the induced draft fan (800) is arranged on one side of the dust remover (700), and the induced draft fan (800) is connected with the dust remover (700) through a fourth pipeline (900); the desulfurizing tower (1000) is arranged on the ground, and the desulfurizing tower (1000) is connected with the induced draft fan (800) through the second heat exchanger (300).
2. The biomass power generation recycling device according to claim 100, wherein the first pipeline (400), the second pipeline (500), the third pipeline (600) and the fourth pipeline (900) are double flues.
3. The biomass power generation recycling device according to claim 100, wherein a chimney (1100) is disposed at the top of the desulfurizing tower (1000), and the chimney (1100) is disposed vertically upward.
4. The biomass power generation recycling apparatus of claim 300, wherein the end of the chimney (1100) is connected to a sealed pool containing sodium hydroxide solution.
5. The biomass power generation recycling apparatus of claim 100, wherein the first heat exchanger (200) and the second heat exchanger (300) are made of corrosion-resistant high-quality steel.
6. The biomass power generation recycling device according to claim 100, wherein the minimum working temperature of the desulfurizing tower (1000) is 80 ℃, and the desulfurizing tower (1000) is made of high temperature resistant materials.
7. The biomass power generation recycling apparatus of claim 500, wherein the dividing wall heat exchanger is a serpentine-type dividing wall heat exchanger.
8. A biomass power generation recycling method, characterized in that the biomass power generation recycling device of claims 100 to 800 is used, and the method comprises the following steps: performing fuel combustion in a power generation cell (100) to generate power; opening the first heat exchanger (200) and the second heat exchanger (300); sequentially opening a dust remover (700) and an induced draft fan (800); and opening a switch between the desulfurizing tower (1000) on the second heat exchanger (300) and the induced draft fan (800).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911019527.8A CN110787612A (en) | 2019-10-25 | 2019-10-25 | Biomass power generation recycling device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911019527.8A CN110787612A (en) | 2019-10-25 | 2019-10-25 | Biomass power generation recycling device and method |
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| CN110787612A true CN110787612A (en) | 2020-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624862A (en) * | 2023-07-21 | 2023-08-22 | 光大环境科技（中国）有限公司 | Biomass gasification synthetic gas direct-combustion heat supply device and processing method |
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| US20130062883A1 (en) * | 2011-09-12 | 2013-03-14 | Hitachi, Ltd. | Heat Recovery System of the Boiler with CO2 Capture System |
| CN103691259A (en) * | 2013-12-11 | 2014-04-02 | 北京中能诺泰节能环保技术有限责任公司 | Energy-saving and water-saving purification system for processing smoke by using wet process and energy-saving and water-saving purification process |
| CN205208601U (en) * | 2015-12-24 | 2016-05-04 | 哈尔滨锅炉厂有限责任公司 | A closed cigarette water heat exchange system for low temperature flue gas |
| CN107339709A (en) * | 2016-12-02 | 2017-11-10 | 国网（北京）节能设计研究院有限公司 | A kind of device for handling biomass electric power plant flue gas and Mist heat recovering |
| CN108731012A (en) * | 2018-05-30 | 2018-11-02 | 河北华强科技开发有限公司 | A kind of device and method eliminated for the wet plume in coal-burning power plant |
| CN108939808A (en) * | 2018-07-12 | 2018-12-07 | 中冶长天国际工程有限责任公司 | A kind of active carbon processing system and its application method improving utilization rate of waste heat and denitrification rate |
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2019
- 2019-10-25 CN CN201911019527.8A patent/CN110787612A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102454980A (en) * | 2010-10-19 | 2012-05-16 | 上海成信建业节能科技有限公司 | Method for recycling flue gas waste heat of thermal power plant boiler |
| US20130062883A1 (en) * | 2011-09-12 | 2013-03-14 | Hitachi, Ltd. | Heat Recovery System of the Boiler with CO2 Capture System |
| CN103691259A (en) * | 2013-12-11 | 2014-04-02 | 北京中能诺泰节能环保技术有限责任公司 | Energy-saving and water-saving purification system for processing smoke by using wet process and energy-saving and water-saving purification process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624862A (en) * | 2023-07-21 | 2023-08-22 | 光大环境科技（中国）有限公司 | Biomass gasification synthetic gas direct-combustion heat supply device and processing method |
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Application publication date: 20200214 |