CN111336496A - Biomass boiler safety combustion device - Google Patents
Biomass boiler safety combustion device Download PDFInfo
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- CN111336496A CN111336496A CN202010018360.XA CN202010018360A CN111336496A CN 111336496 A CN111336496 A CN 111336496A CN 202010018360 A CN202010018360 A CN 202010018360A CN 111336496 A CN111336496 A CN 111336496A
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- Prior art keywords
- combustion
- outlet
- inlet
- pipe
- waste gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
- F23B10/02—Combustion apparatus characterised by the combination of two or more combustion chambers including separate secondary combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
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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
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- 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
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- 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
- F23M5/00—Casings; Linings; Walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
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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
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a biomass boiler safe combustion device, which belongs to the technical field of combustion equipment and comprises a fuel feeding mechanism, a gasification chamber, a combustion assembly, a combustion chamber and a waste gas treatment assembly, wherein the fuel feeding mechanism comprises a feed hopper, a conveyor, an air blower and an air inlet pipe; the combustion assembly is arranged between the outlet of the gasification chamber and the air inlet of the combustion chamber; the waste gas outlet of the combustion chamber is connected with the waste gas treatment component. Through fuel feed mechanism with biomass fuel and air transport to the gasification indoor, the gas that produces through the gasification room is lighted through combustion assembly and combustion chamber, and the waste gas that the gas burning produced realizes discharge to reach standard after the exhaust-gas treatment subassembly is handled. The invention can avoid the exhaust of waste gas, is safe, environment-friendly and harmless, effectively reduces the concentration of harmful gas, prevents the environment from being polluted, and harms the human health.
Description
Technical Field
The invention belongs to the technical field of combustion equipment, and particularly relates to a safe combustion device of a biomass boiler.
Background
The biomass energy is used as a clean renewable energy source and becomes the fourth energy source following three energy sources of petroleum, natural gas and coal, more and more biomass boilers replace the original coal-fired boilers, however, a large amount of ash and dust seriously affect the ecological environment and the physical and mental health of people when the biomass boilers are combusted, carbon smoke also contains a small amount of acetaldehyde with special odor, which often causes nausea and dizziness of people, and the industrial combustion component in the current market cannot be combusted fully, so that excessive waste gas is generated, the environment is affected, and harm is caused to human bodies.
Disclosure of Invention
The invention aims to provide a safe combustion device of a biomass boiler, and aims to solve the technical problem that a large amount of dust generated by combustion of the biomass boiler influences ecological environment and human health in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a biomass boiler safe combustion device comprises a fuel feeding mechanism, a gasification chamber, a combustion assembly, a combustion chamber and a waste gas treatment assembly, wherein the fuel feeding mechanism comprises a feed hopper, a conveyor, an air blower and an air inlet pipe; the combustion assembly is arranged between the outlet of the gasification chamber and the air inlet of the combustion chamber; and the waste gas outlet of the combustion chamber is connected with the waste gas treatment assembly.
Preferably, the conveyor is a screw conveyor, an outlet of the feed hopper is communicated with a feed pipe, and the feed pipe is butted with an inlet of the screw conveyor; the outlet of the spiral conveyor is communicated with a discharge pipe, and the discharge pipe is in butt joint with the feed inlet of the gasification chamber; the side wall of the discharge pipe is connected with the air blower through the air outlet pipe.
Preferably, the gasification chamber is a hollow sealed box body, a feed inlet, an air inlet connected with an outlet of the air blower and a fuel gas outlet connected with an inlet of the combustion assembly are respectively arranged on the side wall of the box body, and a temperature controller is arranged on the outer surface of the gasification chamber.
Preferably, sealing layers are arranged on six walls of the box body; the temperature controller is arranged on the outer surface of the gasification chamber, and a display screen and a temperature control button are arranged on the surface of the temperature controller.
Preferably, an observation window is arranged on the outer surface of the gasification chamber, and the observation window is arranged below the temperature controller.
Preferably, the combustion assembly comprises a combustor, a throat, gas guns, a gun head and a combustion controller, wherein the combustor and the throat are coaxially arranged, the combustor is arranged in the middle of the throat, the plurality of gas guns are radially arranged around the throat, and the gun head of each gas gun is arranged on an installation loop line on the periphery of the throat; an igniter is arranged in the gun head; the combustor and the gas gun are electrically connected with the combustion controller.
Preferably, an igniter switch button and a mixed gas adjusting button are arranged on a control panel of the combustion controller and used for controlling the action of an igniter and the mixing ratio of gas and air.
Preferably, be equipped with the thermometer on the combustion chamber, the thermometer passes through the dead lever and sets up in the combustion chamber top.
Preferably, the waste gas treatment component comprises a pressure pipe, a waste gas processor and a negative pressure fan, wherein an inlet of the pressure pipe is connected with a waste gas outlet of the combustion chamber, an outlet of the pressure pipe is connected with an inlet of the waste gas processor, and an outlet of the waste gas processor is connected with an inlet of the negative pressure fan.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the biomass boiler safety combustion device conveys biomass fuel and air into the gasification chamber through the fuel feeding mechanism, the fuel generates fuel gas after the fuel is subjected to thermochemical reaction in the gasification chamber, the heat generated by combustion of the fuel gas is transferred to the boiler after the fuel gas is ignited through the combustion assembly and the combustion chamber, and the generated waste gas is treated by the waste gas treatment assembly and then is discharged up to the standard. The invention can avoid the exhaust of waste gas, is safe, environment-friendly and harmless, effectively reduces the concentration of harmful gas, prevents the environment from being polluted, and harms the human health.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of a biomass boiler safety combustion device provided by an embodiment of the invention;
FIG. 2 is a schematic structural view of the biomass boiler safety combustion device in FIG. 1 installed in a volute;
FIG. 3 is a schematic airflow direction diagram of the turbine of FIG. 2;
FIG. 4 is a schematic view of a prior art turbine configuration;
FIG. 5 is a state diagram of the turbine of FIG. 4 in use;
FIG. 6 is a schematic view of a combustion chamber configuration;
FIG. 7 is a schematic view of an exhaust treatment assembly;
in the figure: 1. a fuel feed mechanism; 11. a feed hopper; 12. a feed pipe; 13. a stirring device; 14. a discharge pipe; 15. an air outlet pipe; 151, a connecting nipple; 16. a blower; 17. an air inlet pipe;
2. a gasification chamber; 21. a temperature controller; 211. a display screen; 212. a temperature control button; 22. an observation window; 23. a sealing layer; 24. a feed inlet; 25. an air inlet; 26. a gas outlet;
3. a combustion assembly; 31. a burner; 32. a laryngeal opening; 33. an external air gun; 34. a gun head; 35. installing a loop line on the gun head; 36. a combustion device controller; 361. an igniter switch button; 362. a mixed gas adjusting button;
4. a combustion chamber; 41. a temperature display meter; 42. fixing the rod; 43. a heat-insulating layer; 44. an exhaust gas outlet; 45. a burner mounting port;
5. an exhaust gas treatment component; 51. a pressure resistant pipe; 52. an exhaust gas processor; 53. a negative pressure fan.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a biomass boiler safety combustion device provided by the present invention will now be described. The biomass boiler safe combustion device comprises a fuel feeding mechanism 1, a gasification chamber 2, a combustion assembly 3, a combustion chamber 4 and a waste gas treatment assembly 5, wherein the fuel feeding mechanism 1 comprises a feed hopper 11, a conveyor 13, an air blower 16 and an air inlet pipe 17, the outlet of the feed hopper 11 is connected with the inlet of the conveyor 13, the outlet of the conveyor 13 is connected with a feed inlet 24 of the gasification chamber 2, the air inlet of the air blower 16 is connected with the air inlet pipe 17, and the air outlet is connected with the gasification chamber 2; the combustion assembly 3 is arranged between the outlet of the gasification chamber 2 and the air inlet of the combustion chamber 4; the exhaust gas outlet 44 of the combustion chamber 4 is connected to the exhaust gas treatment assembly 5. For convenience of transportation, the fuel feeding mechanism 1 may be mounted on a frame through which the air inlet duct 17 extends to the outside. The biomass fuel is conveyed to the gasification chamber through the feed hopper and the conveyor, meanwhile, the air blower is used for pumping outside air into the gasification chamber, and the biomass fuel is subjected to thermochemical reaction in the gasification chamber to generate fuel gas to be discharged.
In one embodiment of the present invention, as shown in fig. 2, the conveyor 13 is a screw conveyor, the outlet of the feed hopper 11 is communicated with a feed pipe 12, and the feed pipe 12 is butted with the inlet of the screw conveyor; the outlet of the spiral conveyor is communicated with a discharge pipe 14, and the discharge pipe 14 is in butt joint with a feed inlet 24 of the gasification chamber 2; the lateral wall of discharging pipe 14 links to each other with air-blower 16 through going out tuber pipe 15, can arrange the air in the screw conveyer to the air-blower, goes out the tuber pipe and links to each other with the air-blower through connecting nipple 151, makes things convenient for loading and unloading maintenance. Because gaseous accumulation in the airtight space in screw conveyer exists the potential safety hazard of blasting, is connected out the tuber pipe between discharging pipe and air-blower, firstly can pump the gas that biomass fuel produced in screw conveyer to the vaporizer, secondly can avoid the gaseous accumulation in the screw conveyer too much to take place to blast, ensures equipment normal operating.
In one embodiment of the present invention, as shown in fig. 3, the gasification chamber 2 is a hollow sealed box, the side walls of the box are respectively provided with a feed inlet 24, an air inlet 25 connected to the outlet of the blower 16, and a gas outlet 26 connected to the inlet of the combustion assembly 3, and the outer surface of the gasification chamber 2 is provided with a temperature controller 21. Sealing layers 23 are arranged on six walls of the box body, so that a closed space is formed in the gasification chamber, the rapid reaction in the gasification chamber is ensured to generate fuel gas, the produced fuel gas is prevented from leaking, and the safety is improved; the temperature controller 21 is disposed on the outer surface of the gasification chamber 2, and a display screen 211 and a temperature control button 212 are disposed on the surface of the temperature controller 21. The best effect is achieved by controlling the appropriate temperature by means of the temperature controller 21.
In order to facilitate the visual observation of the reaction inside the gasification chamber, an observation window 22 is provided on the outer surface of the gasification chamber 2, and the observation window 22 is provided below the temperature controller 21, as shown in fig. 1.
In a specific embodiment of the present invention, as shown in fig. 4, the combustion assembly 3 includes a burner 31, a throat 32, a gas gun 33, a gun head 34 and a combustion controller 36, the burner 31 and the throat 32 are coaxially arranged, the burner 31 is arranged in the middle of the throat 32, a plurality of gas guns 33 are radially arranged around the throat 32, and the gun head 34 of the gas gun 33 is arranged on a mounting loop 35 at the periphery of the throat 32; an igniter is arranged in the gun head 34; the burner 31 and the gas gun 33 are electrically connected to a combustion controller 36. Wherein, the lateral wall of the combustion chamber 4 is provided with a burner mounting port 45, which is convenient for mounting the burner. The external air and the gas in the combustion gun are mixed in the combustor by means of the gun head, the mixed gas is ignited by the igniter, and the burning flame is sprayed to the combustion chamber through the installation opening of the combustor.
As shown in fig. 5, an igniter switch button 361 and a mixed gas adjusting button 362 are provided on a control panel of the combustion controller 36 to control the operation of the igniter and the mixing ratio of the gas and the air. The proportion of entering combustion chamber 4 is adjusted through mixing gas adjustment button 362, reaches the better area of contact of air and gas, has increased the combustion rate of gas burning, and the work is ended later through some firearm shift knob 361, closes combustion assembly 3 to prevent taking place unnecessary accident.
In one embodiment of the present invention, as shown in fig. 1 and 6, a temperature gauge 41 is provided on the combustion chamber 4, and the temperature gauge 41 is provided on the top of the combustion chamber 4 through a fixing rod 42; six walls of the combustion chamber 4 are all provided with heat preservation layers 43. The mixed gas of fuel gas and air is ignited by the igniter and then enters the combustion chamber for combustion, the boiler adjacent to the combustion chamber absorbs heat generated by combustion, and the combusted waste gas enters the waste gas treatment assembly through the waste gas outlet 44.
As shown in fig. 7, the exhaust gas treatment assembly 5 includes a pressure pipe 51, an exhaust gas processor 52 and a negative pressure fan 53, an inlet of the pressure pipe 51 is connected to the exhaust gas outlet 44 of the combustion chamber 4, an outlet of the pressure pipe 51 is connected to an inlet of the exhaust gas processor 52, and an outlet of the exhaust gas processor 52 is connected to an inlet of the negative pressure fan 53. Because the waste gas after burning has certain pressure, utilize withstand voltage pipe to carry waste gas to the exhaust-gas treatment ware in, negative-pressure air fan can accelerate filterable speed simultaneously, and the exhaust-gas after the filtration is discharged through negative-pressure air fan, realizes discharge to reach standard. Wherein, the exhaust gas processor can select a multi-stage medium-efficiency filter and/or a high-efficiency filter.
In addition, can install exhaust-gas treatment subassembly 5 in the casing, conveniently carry the aversion.
In conclusion, the biomass gasification furnace has the advantages of compact structure, safety and environmental protection, biomass fuel and air are respectively conveyed into the gasification chamber by the screw conveyer and the blower for thermochemical reaction, the generated fuel gas is ignited by the combustion assembly and then enters the combustion chamber for full combustion, and the generated waste gas enters the waste gas processor for filtration, so that the standard emission is realized. The invention can reduce the concentration of harmful gas in the discharged waste gas, and prevent the pollution to the environment and the harm to the human health.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and thus the present invention is not limited to the specific embodiments disclosed above.
Claims (10)
1. The utility model provides a biomass boiler safety burner which characterized in that: the device comprises a fuel feeding mechanism, a gasification chamber, a combustion assembly, a combustion chamber and a waste gas treatment assembly, wherein the fuel feeding mechanism comprises a feed hopper, a conveyor, a blower and an air inlet pipe, the outlet of the feed hopper is connected with the inlet of the conveyor, the outlet of the conveyor is connected with the feed inlet of the gasification chamber, the air inlet of the blower is connected with the air inlet pipe, and the air outlet of the blower is connected with the gasification chamber; the combustion assembly is arranged between the outlet of the gasification chamber and the air inlet of the combustion chamber; and the waste gas outlet of the combustion chamber is connected with the waste gas treatment assembly.
2. The biomass boiler safety combustion device according to claim 1, characterized in that: the conveyor is a screw conveyor, an outlet of the feed hopper is communicated with a feed pipe, and the feed pipe is butted with an inlet of the screw conveyor; the outlet of the spiral conveyor is communicated with a discharge pipe, and the discharge pipe is in butt joint with the feed inlet of the gasification chamber; the side wall of the discharge pipe is connected with the air blower through the air outlet pipe.
3. The biomass boiler safety combustion device according to claim 2, characterized in that: the conveyor is a screw conveyor, an outlet of the feed hopper is communicated with a feed pipe, and the feed pipe is butted with an inlet of the screw conveyor; the outlet of the spiral conveyor is communicated with a discharge pipe, and the discharge pipe is in butt joint with the feed inlet of the gasification chamber; the side wall of the discharge pipe is connected with the air blower through the air outlet pipe.
4. The biomass boiler safety combustion device according to claim 3, characterized in that: the gasification chamber is a hollow sealed box body, a feed inlet, an air inlet connected with an outlet of the air blower and a fuel gas outlet connected with an inlet of the combustion assembly are respectively arranged on the side wall of the box body, and a temperature controller is arranged on the outer surface of the gasification chamber.
5. The biomass boiler safety combustion device according to claim 4, characterized in that: sealing layers are arranged on six walls of the box body; the temperature controller is arranged on the outer surface of the gasification chamber, and a display screen and a temperature control button are arranged on the surface of the temperature controller.
6. The biomass boiler safety combustion device according to claim 4, characterized in that: and an observation window is arranged on the outer surface of the gasification chamber and is arranged below the temperature controller.
7. The biomass boiler safety combustion device according to claim 1, characterized in that: the combustion assembly comprises a combustor, a throat, gas guns, a gun head and a combustion controller, wherein the combustor and the throat are coaxially arranged, the combustor is arranged in the middle of the throat, the plurality of gas guns are radially arranged around the throat, and the gun head of each gas gun is arranged on an installation loop line on the periphery of the throat; an igniter is arranged in the gun head; the combustor and the gas gun are electrically connected with the combustion controller.
8. The biomass boiler safety combustion device according to claim 7, characterized in that: an igniter switch button and a mixed gas adjusting button are arranged on a control panel of the combustion controller and are used for controlling the action of an igniter and the mixing ratio of gas and air.
9. The biomass boiler safety combustion device according to claim 1, characterized in that: the combustion chamber is provided with a thermometer, and the thermometer is arranged at the top of the combustion chamber through a fixing rod.
10. The biomass boiler safety combustion device according to any one of claims 1 to 9, characterized in that: the waste gas treatment component comprises a pressure-resistant pipe, a waste gas processor and a negative pressure fan, wherein the inlet of the pressure-resistant pipe is connected with the waste gas outlet of the combustion chamber, the outlet of the pressure-resistant pipe is connected with the inlet of the waste gas processor, and the outlet of the waste gas processor is connected with the inlet of the negative pressure fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018360.XA CN111336496A (en) | 2020-01-08 | 2020-01-08 | Biomass boiler safety combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018360.XA CN111336496A (en) | 2020-01-08 | 2020-01-08 | Biomass boiler safety combustion device |
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| Publication Number | Publication Date |
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| CN111336496A true CN111336496A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010018360.XA Pending CN111336496A (en) | 2020-01-08 | 2020-01-08 | Biomass boiler safety combustion device |
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| CN (1) | CN111336496A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361326A (en) * | 2020-11-23 | 2021-02-12 | 河北惠华达宇科技有限公司 | Back-burning gasification type decomposition combustion method and device |
| CN112648599A (en) * | 2020-11-27 | 2021-04-13 | 山西焦化股份有限公司 | Method for prolonging service life of internal structure of waste boiler of sulfur production furnace |
-
2020
- 2020-01-08 CN CN202010018360.XA patent/CN111336496A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361326A (en) * | 2020-11-23 | 2021-02-12 | 河北惠华达宇科技有限公司 | Back-burning gasification type decomposition combustion method and device |
| CN112648599A (en) * | 2020-11-27 | 2021-04-13 | 山西焦化股份有限公司 | Method for prolonging service life of internal structure of waste boiler of sulfur production furnace |
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