Biomass boiler and discharge structure
By installing a dust collection tower and purification mechanism in the biomass boiler, activated carbon powder is used to adsorb and filter harmful gases, and the flue gas is further purified by a negative pressure fan and dust collection bags. This solves the pollution problem of unpurified emissions during the combustion process of biomass boilers and achieves environmental protection effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-10
AI Technical Summary
Particulate matter, nitrogen oxides, sulfur dioxide, carbon monoxide, and volatile organic compounds generated during the combustion of biomass boilers are emitted directly without purification, leading to environmental pollution.
Design a biomass boiler and its emission structure, including a dust collection tower, a purification mechanism and a collection mechanism, which utilizes activated carbon powder to adsorb and filter harmful gases, and further purifies the flue gas through a negative pressure fan and dust collection bags.
It effectively removes harmful gases produced during boiler combustion, reduces environmental pollution, prevents acid rain formation, and protects air quality.
Smart Images

Figure CN223980315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of biomass boiler, especially relates to a biomass boiler and emission structure. BACKGROUND
[0002] Biomass boiler is a kind of boiler equipment using biomass fuel as energy, and biomass fuel usually includes wood, straw, rice husk, sugarcane residue, forestry waste and other renewable resources, biomass boiler generates heat energy by burning these organic substances for heating, power generation or industrial production, and the pollutants generated during biomass combustion mainly include particulate matter, nitrogen oxides, sulfur dioxide, carbon monoxide and volatile organic compounds, therefore, the boiler emission structure without gas purification will have a significant negative impact on the environment, and if directly discharged without purification, these substances will seriously endanger air quality, and the fine particles can be suspended in the air for a long time, and the emission of nitrogen oxides and sulfur dioxide will lead to the formation of acid rain, thereby causing environmental pollution, therefore, we hope to design a biomass boiler and emission structure to solve this problem. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model aims to provide a biomass boiler and emission structure to solve the problems raised in the background art.
[0004] The utility model discloses the following technical scheme realizes: a kind of biomass boiler and emission structure, comprising: dust collection tower, the lower end of the dust collection tower is provided with support leg, the lower end of the dust collection tower is provided with the collecting hopper for collecting activated carbon powder, the inside of the dust collection tower is provided with the collection mechanism for filtering activated carbon powder, the right side of the dust collection tower is provided with the purification mechanism for purifying boiler exhaust gas;
[0005] The purification mechanism includes purification pipe, the left and right ends of the purification pipe are fixedly connected with connection flange two, the right end of the purification pipe is fixedly penetrated with feeding pipe inside, the lower end of the feeding pipe is fixedly connected with flow divider, the lower side of the flow divider is provided with nozzle, the right end of the purification pipe is provided with storage assembly, by setting purification mechanism, harmful gas generated during the combustion process of boiler can be effectively removed by purification mechanism, to reduce pollution to the environment.
[0006] As a preferred embodiment, the inside of the purification pipe is fixedly connected with several baffles and is staggered distribution for S-shaped channel, by setting S-shaped channel, turbulent mixing is enhanced.
[0007] As a preferred embodiment, the purification mechanism further includes connecting pipe, one end of the connecting pipe is fixedly connected to the right side surface of dust collection tower, the other end of the connecting pipe is fixedly connected with connection flange one;
[0008] The first connecting flange and the second connecting flange on the left end of the purification pipe are connected by a sealing gasket and screws.
[0009] In a preferred embodiment, an air compressor is provided on the upper surface of the right end of the purification pipe, and the output end of the air compressor is connected to the inside of the right end of the distributor through a guide pipe.
[0010] In a preferred embodiment, the storage assembly includes a carbon storage bin, the interior of which is filled with activated carbon powder, and a support frame is provided on the lower side of the carbon storage bin, the support frame being fixedly connected to the upper right surface of the purification pipe.
[0011] An installation plate is fixedly connected to the upper interior of the carbon storage bin, and a cover plate is movably fitted onto the installation plate to prevent the activated carbon from being exposed to the air for a long time, which would cause it to lose its activity and reduce its effectiveness.
[0012] In a preferred embodiment, a conveying motor is provided on the upper side of the mounting plate, and one end of a conveying auger is connected to the output shaft of the conveying motor via a bushing, and the other end of the conveying auger extends into the interior of the distributor.
[0013] In a preferred embodiment, the collection mechanism includes a connecting plate, which is fixedly connected to the inside of the dust collection tower. A connecting block is fixedly connected to the lower surface of the connecting plate, and a dust collection bag is fixedly connected to the connecting block. By setting up the collection mechanism, activated carbon that has adsorbed harmful gases and impurities generated by boiler production are collected, further reducing environmental pollution.
[0014] In a preferred embodiment, an air outlet is fixedly connected to the left side of the dust collection tower, and a negative pressure fan is installed inside the air outlet to create a pressure difference between the inside of the dust collection tower and the outside.
[0015] After adopting the above technical solution, the beneficial effects of this utility model are:
[0016] 1. By setting up a purification mechanism, activated carbon powder is sprayed into the purification pipe to adsorb and filter harmful gases in the flue gas emitted by the boiler, thereby reducing environmental pollution.
[0017] 2. By setting up a collection mechanism, activated carbon that has adsorbed harmful gases and solid impurities generated by boiler production are filtered and collected, further reducing environmental pollution. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a right-side oblique view of the overall structure of a biomass boiler and its emission structure according to this utility model.
[0020] Figure 2 This is a cross-sectional view of the overall structure of a biomass boiler and its emission structure according to this utility model.
[0021] Figure 3 This is a partial cross-sectional view of the purification mechanism of a biomass boiler and its emission structure according to this utility model.
[0022] Figure 4 This is an exploded view of the storage component of a biomass boiler and its discharge structure according to this utility model.
[0023] In the diagram, 1-dust collection tower, 2-support leg, 3-dust collection hopper, 4-collection mechanism, 5-purification mechanism;
[0024] 41-Connecting plate, 42-Connecting block, 43-Dust collection bag, 44-Air outlet, 45-Negative pressure fan;
[0025] 51-Connecting pipe, 52-Connecting flange one, 53-Purification pipe, 54-Connecting flange two, 55-Baffle, 56-Feeding pipe, 57-Diverter, 58-Air compressor, 59-Storage assembly, 591-Carbon storage bin, 592-Support frame, 593-Mounting plate, 594-Conveyor motor, 595-Conveyor auger, 596-Cover plate. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Please see Figures 1 to 4This utility model provides a technical solution: a biomass boiler and emission structure, including: a dust collection tower 1, a support leg 2 at the lower end of the dust collection tower 1, a collection hopper 3 at the lower end of the dust collection tower 1 for collecting activated carbon powder, a collection mechanism 4 for filtering activated carbon powder inside the dust collection tower 1, and a purification mechanism 5 for purifying boiler exhaust gas on the right side of the dust collection tower 1.
[0028] The purification mechanism 5 includes a purification pipe 53, with connecting flanges 54 fixedly connected to both ends of the purification pipe 53. A feeding pipe 56 is fixedly inserted through the right end of the purification pipe 53, and a distributor 57 is fixedly connected to the lower end of the feeding pipe 56. A nozzle is provided on the lower side of the distributor 57, and a material storage assembly 59 is provided on the right end of the purification pipe 53. By setting up the purification mechanism 5, the purification mechanism 5 can effectively remove harmful gases generated during boiler combustion, thereby reducing environmental pollution.
[0029] The purification pipe 53 has several baffles 55 fixedly connected inside, which are staggered vertically to form an S-shaped channel. By setting the S-shaped channel, turbulent mixing is enhanced.
[0030] The purification mechanism 5 also includes a connecting pipe 51, one end of which is fixedly connected to the right side surface of the dust collection tower 1, and the other end of which is fixedly connected to a connecting flange 52.
[0031] The connecting flange 52 and the connecting flange 54 at the left end of the purification pipe 53 are connected by a sealing gasket and screws.
[0032] An air compressor 58 is installed on the upper right side surface of the purification pipe 53. The output end of the air compressor 58 is connected to the inside of the right end of the distributor 57 through a guide pipe.
[0033] The material storage assembly 59 includes a carbon storage bin 591, which is filled with activated carbon powder. A support frame 592 is provided on the lower side of the carbon storage bin 591, and the support frame 592 is fixedly connected to the upper right side surface of the purification pipe 53.
[0034] An installation plate 593 is fixedly connected to the upper interior of the carbon storage bin 591. A cover plate 596 is movably fitted onto the installation plate 593 to prevent the activated carbon from being exposed to the air for a long time, which would cause it to lose its activity and reduce its effectiveness.
[0035] A conveyor motor 594 is provided on the upper side of the mounting plate 593. One end of a conveyor auger 595 is connected to the output shaft of the conveyor motor 594 via a bushing. The other end of the conveyor auger 595 extends into the interior of the distributor 57.
[0036] The collection mechanism 4 includes a connecting plate 41, which is fixedly connected to the inside of the dust collection tower 1. A connecting block 42 is fixedly connected to the lower surface of the connecting plate 41, and a dust collection bag 43 is fixedly connected to the connecting block 42. By setting up the collection mechanism 4, the activated carbon after adsorbing harmful gases and the impurities generated by the boiler production are collected, further reducing the pollution to the environment.
[0037] An air outlet 44 is fixedly connected to the left side of the dust collection tower 1. A negative pressure fan 45 is installed inside the air outlet 44 to create an air pressure difference between the inside of the dust collection tower 1 and the outside.
[0038] Please see Figure 1 , Figure 3 , Figure 4 As the first embodiment of this utility model: In use, firstly, the purification pipe 53 is connected to the external boiler discharge port through the connecting flange 54 on the right end. Then, the conveying motor 594 is started. The output shaft of the conveying motor 594 drives the conveying auger 595 to rotate. During the rotation of the conveying auger 595, the activated carbon powder in the carbon storage bin 591 is conveyed to the inside of the distributor 57. Then, the air compressor 58 is started. After the air compressor 58 compresses the air, it is discharged into the inside of the distributor 57 through the guide pipe and then sprayed out through the nozzle. At the same time, the activated carbon powder is sprayed out from the nozzle. Then, the harmful gases produced by boiler combustion are adsorbed and filtered inside the purification pipe 53, thereby reducing the pollution to the environment when the boiler combustion gas is emitted.
[0039] Please see Figure 1 as well as Figure 2 As a second embodiment of this utility model: based on the above embodiments, further, while purifying the gas generated by boiler combustion, the negative pressure fan 45 is started. The negative pressure fan 45 creates a pressure difference between the inside of the dust collection tower 1 and the outside, causing the purified gas to flow to the left end of the dust collection tower 1 and be discharged. During the gas flow, the dust collection bag 43 filters the activated carbon after adsorbing harmful gases and the solid particles generated by boiler combustion, further reducing environmental pollution.
[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A biomass boiler and emissions structure, comprising: The dust collection tower (1) is characterized in that the lower end of the dust collection tower (1) is provided with supporting legs (2), the lower end of the dust collection tower (1) is provided with a collecting hopper (3) for collecting activated carbon powder, the inside of the dust collection tower (1) is provided with a collecting mechanism (4) for filtering activated carbon powder, and the right side of the dust collection tower (1) is provided with a purification mechanism (5) for purifying boiler exhaust gas. The purification mechanism (5) comprises a purification pipe (53), the left and right ends of the purification pipe (53) are fixedly connected with connecting flanges (54), the right end of the purification pipe (53) is fixedly penetrated with a feeding pipe (56), the lower end of the feeding pipe (56) is fixedly connected with a flow divider (57), the lower side of the flow divider (57) is provided with a nozzle, and the right end of the purification pipe (53) is provided with a storage assembly (59).
2. A biomass boiler and exhaust structure as claimed in claim 1, wherein: The inside of the purification pipe (53) is fixedly connected with a plurality of baffles (55) and is staggered in up-down direction to form an S-shaped channel.
3. A biomass boiler and exhaust structure as claimed in claim 1, wherein: The purification mechanism (5) further comprises a connecting pipe (51), one end of the connecting pipe (51) is fixedly connected to the right side surface of the dust collection tower (1), and the other end of the connecting pipe (51) is fixedly connected with a connecting flange (52). The connecting flange (52) and the connecting flange (54) on the left end of the purification pipe (53) are attached through a sealing gasket and are connected through screws.
4. A biomass boiler and exhaust structure as claimed in claim 1, wherein: The right end of the purification pipe (53) is provided with an air compressor (58) on the upper side surface, and the output end of the air compressor (58) is connected in communication with the right end of the flow divider (57) through a conveying pipe.
5. A biomass boiler and exhaust structure as claimed in claim 1, wherein: The storage assembly (59) comprises a carbon storage bin (591), the inside of the carbon storage bin (591) is filled with activated carbon powder, the lower side of the carbon storage bin (591) is provided with a support frame (592), and the support frame (592) is fixedly connected to the right end of the upper side surface of the purification pipe (53). The inside of the upper end of the carbon storage bin (591) is fixedly connected with a mounting plate (593), and the mounting plate (593) is movably embedded with a cover plate (596).
6. A biomass boiler and exhaust structure as claimed in claim 5 wherein: The upper side of the mounting plate (593) is provided with a conveying motor (594), one end of a conveying auger (595) is connected to the output shaft of the conveying motor (594) through a shaft sleeve, and the other end of the conveying auger (595) extends into the inside of the flow divider (57).
7. A biomass boiler and exhaust structure as in claim 1, wherein: The collecting mechanism (4) comprises a connecting plate (41), the connecting plate (41) is fixedly connected to the inside of the dust collection tower (1), the lower side surface of the connecting plate (41) is fixedly connected with a connecting block (42), and the connecting block (42) is fixedly connected with a dust collection bag (43).
8. A biomass boiler and emissions structure as claimed in claim 7, wherein: The left side of the dust collection tower (1) is fixedly connected with an air outlet (44), and the inside of the air outlet (44) is provided with a negative pressure fan (45) for forming a pressure difference between the inside of the dust collection tower (1) and the outside.