CN114893973A - Efficient energy-saving equipment using biomass as fuel - Google Patents

Efficient energy-saving equipment using biomass as fuel Download PDF

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Publication number
CN114893973A
CN114893973A CN202210458077.8A CN202210458077A CN114893973A CN 114893973 A CN114893973 A CN 114893973A CN 202210458077 A CN202210458077 A CN 202210458077A CN 114893973 A CN114893973 A CN 114893973A
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CN
China
Prior art keywords
combustion
fuel
biomass
conveyor belt
drying
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210458077.8A
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Chinese (zh)
Inventor
柴敏
洪志伟
郑水华
李宁
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Filing date
Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN202210458077.8A priority Critical patent/CN114893973A/en
Publication of CN114893973A publication Critical patent/CN114893973A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F26B23/06—Heating arrangements using electric heating resistance heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/06—Mechanically-operated devices, e.g. clinker pushers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • F23K1/04—Heating fuel prior to delivery to combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M11/00—Safety arrangements
    • F23M11/04—Means for supervising combustion, e.g. windows
    • F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2201/00—Pretreatment of solid fuel
    • F23K2201/10—Pulverizing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2201/00—Pretreatment of solid fuel
    • F23K2201/20—Drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/02—Biomass, e.g. waste vegetative matter, straw
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a high-efficiency energy-saving device using biomass as fuel, which uses biomass material as fuel, is convenient to obtain and relatively cheap on one hand, and uses a new energy source on the other hand, reduces the use pressure of primary energy, and responds to the call of national energy conservation and emission reduction.

Description

Efficient energy-saving equipment using biomass as fuel
Technical Field
The invention relates to the field of energy and energy conservation and emission reduction, in particular to high-efficiency energy-saving equipment using biomass as fuel.
Background
Biomass refers to various organisms produced by photosynthesis using the atmosphere, water, land, and the like, and all living organic substances that can grow are generally called biomass. Biomass includes all plants, microorganisms and animals that feed on plants, microorganisms and their waste products. Representative biomass materials include crops, crop wastes, wood wastes, and animal wastes. Has the characteristics of reproducibility, low pollution and wide distribution. The biomass energy is energy provided by living plants in nature, and the plants store solar energy by taking the biomass as a medium, and belong to renewable energy sources. Biomass stores energy calculated to be 2 times greater than the total world energy consumption. Therefore, biomass energy is used as fuel, on one hand, the biomass energy is convenient and cheap, on the other hand, a new energy source is used, the use pressure of primary energy is reduced, the national call for energy conservation and emission reduction is responded, some traditional biomass combustion equipment cannot well know the temperature in the furnace, and the biomass fuel is fed into the furnace to be combusted, so that the combustion effect is poor due to overhigh moisture and the combustion efficiency is low.
Disclosure of Invention
The invention provides a reasonable solution mainly aiming at the defects of the prior art, improves the combustion efficiency, monitors the temperature in the furnace and realizes the recycling of heat.
The technical scheme of the invention is as follows:
an efficient energy-saving device using biomass as fuel comprises a drying system, a conveying system, a combustion system and a waste heat recovery system, wherein one end of the conveying system is arranged in the drying system, and the conveying system conveys the fuel out after the fuel is dried by the drying system; the other end of the conveying system is connected with a combustion system to burn the fuel, and a waste heat recovery system is arranged between the combustion system and the drying system and used for conveying the heat of the combustion system to the drying system to be reused.
Further, drying system includes the drying cabinet, the inside division of separating into upper and lower two-layer with a division board of drying cabinet, upper and lower floor all are equipped with the door that can independently open, and a plurality of electric heating pipe have been arranged to upper top, and the lower floor links to each other with waste heat recovery system.
Further, conveying system includes conveyer belt shell, conveyer belt and curtain, the upper right side of drying cabinet is equipped with the opening that is used for installing the conveyer belt at the height of waiting, conveyer belt shell one end and the butt joint of drying cabinet upper right side opening, the other end sets up the curtain, conveyer belt one end sets up inside the upper right side opening of drying cabinet, and the other end passes the conveyer belt shell, extends to combustion system position department.
Further, the combustion system comprises a crusher and a combustion furnace, the crusher receives the fuel of the conveying system, and the crushed fuel is fed into the combustion furnace for combustion; the combustion furnace is divided into three layers, an ash collector is arranged on the lower layer and used for collecting waste residues after combustion, the middle layer is a fuel area, a burner is arranged at the bottom of the middle layer and used for igniting fuel, the lower layer and the middle layer are separated by a porous fence, and objects needing to be heated are arranged on the upper layer according to actual needs.
Furthermore, the waste heat recovery system comprises a smoke exhaust fan and a conveying pipeline, a waste heat air exhaust hole is formed in a combustion area of the combustion system, a waste heat air inlet hole is formed in the lower layer of a drying box of the drying system, the waste heat air exhaust hole is communicated with the waste heat air inlet hole through the conveying pipeline, and high-temperature smoke of the combustion system is conveyed to the drying system through the smoke exhaust fan.
Furthermore, the combustion furnace is made of refractory materials, an accident treatment hole and an observation hole are formed in the combustion furnace, a thermocouple is arranged in the combustion furnace, and a temperature instrument is arranged on the surface of the combustion furnace and used for displaying the temperature in the furnace.
Furthermore, a conveyor belt accident treatment hole is formed in the top of the conveyor belt shell.
Furthermore, the surface of the drying box is provided with an electric heating pipe forced closing button, an electric heating pipe closing button and an electric heating pipe opening button.
The beneficial effects of the invention are: the dry fuel that makes the dry fuel in dry stage can be faster reaches the ignition point, and the burning of catching fire, improve combustion efficiency, the further broken fuel of breaker makes the fuel can fully burn, increase combustion efficiency once more, the design in accident handling hole provides convenience for maintenance in the future, the burning condition in the stove can be observed better in the design of observation hole, the design of thermocouple heat shield, make the accurate temperature instrument that reflects of temperature, at last through the recycle of waste heat, improve energy utilization, the energy can be saved, full automation control basically, the manual operation that significantly reduces, it is very convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a waste heat recovery system of the present invention;
FIG. 3 is a schematic view of the crusher of the present invention;
FIG. 4 is a schematic view of the ash collector structure of the present invention;
FIG. 5 is a schematic view of a perforated barrier construction of the present invention;
in the figure: 1. a drying oven; 2. an electric heating pipe forced shutdown button; 3. an electric heating tube off button; 4. an electric heating pipe is provided with a button; 5. an electric heating tube; 6. a waste heat air inlet; 7. a separator plate; 8. a conveyor belt accident handling hole; 9. a conveyor belt; 10. a support pillar; 11. a crusher; 12. an ash collector; 13. a perforated barrier; 14. a burner; 15. a combustion furnace; 16. a temperature display instrument; 17. a waste heat exhaust hole; 18. a conveyor belt housing; 19. a curtain; 20. an observation hole; 21. accident disposal holes; 22. a smoke exhaust fan.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-5, an energy-efficient device using biomass as fuel comprises a drying box 1, an electric heating pipe forced closing button 2, an electric heating pipe closing button 3, an electric heating pipe opening button 4, an electric heating pipe 5, a waste heat air inlet 6, a partition plate 7, a conveyor belt accident handling hole 8, a conveyor belt 9, a support column 10, a crusher 11, an ash collector 12, a porous fence 13, a burner 14, a combustion furnace 15, a temperature display 16, a waste heat air extraction hole 17, a conveyor belt shell 18, a curtain 19, an observation hole 20, an accident handling hole 21 and a smoke exhaust fan 22.
Drying system, drying cabinet 1 surface has electric heating pipe force to close button 2, electric heating pipe and closes button 3, electric heating pipe start button 4, prevents to appear the condition that electric heating pipe 5 can not close, puts into drying cabinet 1 upper strata after with biomass fuel, if dry just directly put into on conveyer belt 9, the energy can be saved, otherwise opens electric heating pipe 5 to the quantity of selective electric heating pipe 5 of opening, after heating a period, fuel moisture basically removed, later gets into conveying system.
The conveying system is used for conveying dried fuel through a conveying belt 9, the conveying belt is heat-resistant and is driven by a motor, and the tail end of the conveying system is shielded by a curtain 19, so that heat loss is reduced. By tilting, allowing itself to fall into the crusher 11, the speed of the conveyor belt can be adjusted as required to control the rate at which fuel enters the crusher 11.
The combustion system, open breaker 11 switch, after breaker 11, the fuel falls into combustion area 15, can control broken degree through the blade of adjustment breaker 11 as required, the fuel that gets into combustion area 15 still has certain temperature this moment, reach the ignition point more fast like this, make it burn easily, get into combustion area 15 after ignition combustor 14, make the fuel burn up, the ashes that burn out have special ashes collector 12, ashes can pour fertile land in the field into, waste utilization, emergent incident can be handled to the incident treatment hole 21 of external surface, the burning condition in the stove can be observed to observation hole 20, temperature display 16 can show the stove temperature, and is very convenient.
The waste heat recovery system starts the smoke exhaust fan 22, high-temperature smoke generated by combustion is conveyed to the drying stage through the smoke exhaust fan 22 through a smoke exhaust pipeline, heat recycling is achieved, and therefore the electric heating pipe 5 in the drying box can be closed, and energy is saved.
The working principle is as follows:
the fuel is put into drying cabinet 1 and is dried, open electric heating pipe 5 and select the quantity that needs to open as required, if dry more just save dry stage, directly send to breaker 11 through conveyer belt 9 for conveying system, after breaker 11's breakage, the fuel can burn more fully, increase combustion efficiency, the fuel gets into the combustion area, ignite combustor 14, make the fuel burning, open smoke exhaust fan 22 simultaneously, pass through the pipe-line transportation to dry stage with the flue gas heat, constitute a circulation, realize the high-efficient utilization of energy.

Claims (8)

1. The efficient energy-saving equipment using the biomass as the fuel is characterized by comprising a drying system, a conveying system, a combustion system and a waste heat recovery system, wherein one end of the conveying system is arranged in the drying system, and the fuel is dried by the drying system and then is sent out by the conveying system; the other end of the conveying system is connected with a combustion system to burn the fuel, and a waste heat recovery system is arranged between the combustion system and the drying system and used for conveying the heat of the combustion system to the drying system to be reused.
2. The efficient energy-saving equipment using biomass as fuel according to claim 1, wherein the drying system comprises a drying box (1), the inside of the drying box (1) is divided into an upper layer and a lower layer by a partition board (7), the upper layer and the lower layer are respectively provided with a door capable of being opened independently, the top of the upper layer is provided with a plurality of electric heating pipes (5), and the lower layer is connected with a waste heat recovery system.
3. The efficient energy-saving equipment using biomass as fuel according to claim 2, wherein the conveying system comprises a conveyor belt housing (18), a conveyor belt (9) and a curtain (19), the right side of the upper layer of the drying box (1) is provided with an opening for installing the conveyor belt (9) at a constant height, one end of the conveyor belt housing (18) is butted with the right side opening of the upper layer of the drying box (1), the other end of the conveyor belt housing is provided with the curtain (19), one end of the conveyor belt (9) is arranged in the right side opening of the upper layer of the drying box (1), and the other end of the conveyor belt (9) penetrates through the conveyor belt housing (18) and extends to the position of a combustion system.
4. The device for high efficiency and energy saving by using biomass as fuel according to claim 2, characterized in that the combustion system comprises a crusher (11) and a combustion furnace (15), the crusher (11) receives the fuel of the conveying system, and the crushed fuel is fed into the combustion furnace (15) for combustion; the combustion furnace is divided into three layers, an ash collector is arranged on the lower layer and used for collecting waste residues after combustion, the middle layer is a fuel area, a burner (14) is arranged at the bottom of the middle layer and used for igniting fuel, the lower layer and the middle layer are separated by a porous fence (13), and things needing to be heated are arranged on the upper layer according to actual needs.
5. The efficient energy-saving equipment using biomass as fuel according to claim 4, wherein the waste heat recovery system comprises a smoke exhaust fan (22) and a conveying pipeline, a waste heat air exhaust hole (17) is formed in a combustion area of the combustion system, a waste heat air inlet hole (6) is formed in the lower layer of a drying box (1) of the drying system, the waste heat air exhaust hole (17) is communicated with the waste heat air inlet hole (6) through the conveying pipeline, and high-temperature smoke of the combustion system is conveyed into the drying system through the smoke exhaust fan (22).
6. The device of claim 1, wherein the combustion furnace (15) is made of refractory material, the combustion furnace (15) is provided with an accident handling hole (21) and an observation hole (20), the combustion furnace (15) is provided with a thermocouple, and the surface of the combustion furnace (15) is provided with a temperature meter (16) for displaying the temperature in the furnace.
7. The energy-saving efficient equipment using biomass as fuel according to claim 3, wherein the top of the conveyor belt housing (18) is provided with a conveyor belt accident disposal hole (8).
8. The efficient energy-saving device using biomass as fuel according to claim 2, characterized in that the surface of the drying box (1) is provided with an electric heating pipe forced shutdown button (2), an electric heating pipe shutdown button (3) and an electric heating pipe on button (4).
CN202210458077.8A 2022-04-28 2022-04-28 Efficient energy-saving equipment using biomass as fuel Pending CN114893973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210458077.8A CN114893973A (en) 2022-04-28 2022-04-28 Efficient energy-saving equipment using biomass as fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210458077.8A CN114893973A (en) 2022-04-28 2022-04-28 Efficient energy-saving equipment using biomass as fuel

Publications (1)

Publication Number Publication Date
CN114893973A true CN114893973A (en) 2022-08-12

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201531867U (en) * 2009-10-18 2010-07-21 秦玉林 Boiler burning device using biomass fuels
CN202141309U (en) * 2011-06-07 2012-02-08 郑水成 Integration device of biomass fuel burning and residual-heat utilization
CN203731462U (en) * 2014-02-08 2014-07-23 福建省牧爱生物科技有限公司 Biomass fuel integrated cyclone combustion boiler
CN210486365U (en) * 2019-07-04 2020-05-08 湘潭电化科技股份有限公司 System for drying iron phosphate by using waste heat of roasting furnace
CN113587560A (en) * 2021-07-30 2021-11-02 华中科技大学 Solar energy and trumpet creeper coupled heating biomass drying system and using method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201531867U (en) * 2009-10-18 2010-07-21 秦玉林 Boiler burning device using biomass fuels
CN202141309U (en) * 2011-06-07 2012-02-08 郑水成 Integration device of biomass fuel burning and residual-heat utilization
CN203731462U (en) * 2014-02-08 2014-07-23 福建省牧爱生物科技有限公司 Biomass fuel integrated cyclone combustion boiler
CN210486365U (en) * 2019-07-04 2020-05-08 湘潭电化科技股份有限公司 System for drying iron phosphate by using waste heat of roasting furnace
CN113587560A (en) * 2021-07-30 2021-11-02 华中科技大学 Solar energy and trumpet creeper coupled heating biomass drying system and using method thereof

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