CN216498362U

CN216498362U - Biomass burner flue gas purification device

Info

Publication number: CN216498362U
Application number: CN202123152424.4U
Authority: CN
Inventors: 王志平; 强建国; 李哲; 姜智慧
Original assignee: Changzhou Bo Ai Biomass Energy Technology Co ltd
Current assignee: Changzhou Bo Ai Biomass Energy Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-13
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a biomass burner flue gas purification device which comprises a first purification chamber and a second purification chamber, wherein a flue gas flow pipe is connected between the first purification chamber and the second purification chamber, the bottom of the first purification chamber is connected with a flue gas inlet, a supporting iron screen plate is inserted into the inner side of the flue gas inlet, a plurality of fiber balls are arranged at the bottom of the inner side of the first purification chamber, a ball inlet pipe is arranged on the side edge of the first purification chamber, a sealing cover is arranged above the ball inlet pipe, a first activated carbon plate, a second activated carbon plate and a third activated carbon plate are obliquely arranged in the middle of the first purification chamber, the first activated carbon plate, the second activated carbon plate and the third activated carbon plate are sequentially arranged from top to bottom, and the surfaces of the first activated carbon plate, the second activated carbon plate and the third activated carbon plate are of a net structure.

Description

Biomass burner flue gas purification device

Technical Field

The utility model belongs to the technical field of purification devices, and particularly relates to a biomass burner flue gas purification device.

Background

The biomass burner is a burner for burning biomass fuel, the biomass fuel is a novel fuel prepared by screening, drying, extruding and forming straw sawdust, organic household garbage and the like, and the fuel is waste, so the biomass fuel is environment-friendly. However, the biomass burners in the current market are generally used in boiler equipment, and if the flue gas discharged after combustion of the biomass burners is directly discharged, the air is polluted, and the heat brought by the discharged flue gas influences the atmospheric environment.

The application number that applicant applied before is 2014208137614 china utility model discloses a can realize high-efficient device that purifies in living beings gas furnace, including the reacting furnace, the reacting furnace is equipped with reaction zone, purification channel and gas export, and the bottom export of reaction zone and the entry intercommunication of purification channel bottom, gas export are located purification channel's top, are equipped with atomizing spray set in the purification channel, and atomizing spray set's spraying direction is opposite with purification channel's gas flow direction. The atomization spraying device is integrated into the reaction furnace, and the atomized water sprayed by the atomization spraying device is in countercurrent contact with the high-temperature biomass fuel gas rising in the purification channel, so that dust is adhered to the reaction furnace to achieve a dust removal effect; on the other hand, tar is adsorbed, and tar and water mist settle to a high-temperature carbon residue area to generate reforming reaction, and meanwhile, the temperature of the fuel gas can be reduced, so that the quality of the biomass fuel gas is improved, and the stability and the convenience of the treatment and the application of the rear-end biomass fuel gas are realized. The utility model can be applied to the purification of biomass gas. However, the above patents have certain disadvantages that the treatment of the purified material is not very convenient, and the water pollution amount caused by the direct contact of the atomized water and a large amount of dust is too large to treat.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a biomass burner flue gas purification device, which comprises a first purification chamber and a second purification chamber, wherein a flue gas flow pipe is connected between the first purification chamber and the second purification chamber, the bottom of the first purification chamber is connected with a flue gas inlet, a support iron mesh plate is inserted into the inner side of the flue gas inlet, a plurality of fiber balls are arranged at the bottom of the inner side of the first purification chamber, a ball inlet pipe is arranged at the side edge of the first purification chamber, a sealing cover is arranged above the ball inlet pipe, a first activated carbon plate, a second activated carbon plate and a third activated carbon plate are obliquely arranged in the middle of the first purification chamber, the first activated carbon plate, the second activated carbon plate and the third activated carbon plate are sequentially arranged from top to bottom, the surfaces of the first activated carbon plate, the second activated carbon plate and the third activated carbon plate are of a net structure, flow cavities are arranged inside the first activated carbon plate, the second activated carbon plate and the third activated carbon plate, and each flow cavity is communicated with each other, and the two sides of the first purifying chamber are respectively provided with a carbon inlet and a carbon outlet, and the carbon inlet and the carbon outlet are respectively connected and communicated with the flowing cavities in the first activated carbon plate and the third activated carbon plate.

Preferably, a spray pipe is arranged at the top of the second purification chamber, a plurality of spray heads are arranged at the bottom of the spray pipe, a water supply pump is arranged at the side edge of the second purification chamber, a water supply pipe is arranged at the top of the water supply pump, a water injection pipe is arranged at the top of the water supply pipe, and the water injection pipe extends into the second purification chamber and is connected with the spray pipe.

Preferably, the smoke gas flow pipe is internally provided with a fine sand net filter layer and a ceramic surface filter layer respectively.

Preferably, a plurality of flow baffle plates are arranged below the spray pipe inside the second purification chamber, the flow baffle plates are sequentially arranged in a staggered mode, and a purification channel is formed between the flow baffle plates.

Preferably, a water tank is arranged below the second purification chamber, and an input end of the water supply pump is connected with the water tank.

Preferably, the upper part of the water injection pipe is connected with a medicine injection pipe.

The utility model has the advantages that:

1. this application can adsorb through fibre ball and active carbon in the first clean room before water smoke purifies in advance, adsorbs a large amount of dusts and harmful substance in the flue gas, and later rethread water smoke purifies, so make the water smoke after the purification can not have too big pollution when the bottom converges rivers, conveniently purify reuse, fibre ball and active carbon can conveniently be changed simultaneously, sparingly change energy.

2. Be equipped with in this application and keep off the class board, can prolong the flue gas transit time to it is long when increasing water smoke and flue gas contact, plays the effect that promotes the purification performance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the structure of a first clean room according to the present invention;

FIG. 3 is a view showing the structure of a second clean room according to the present invention;

FIG. 4 is a structural view of a flue gas flow pipe of the present invention;

in the figure: 1 a first purifying chamber, 2 a second purifying chamber, 3 a smoke circulating pipe, 4 a smoke inlet, 5 a supporting iron mesh plate, 6 fiber balls, 7 a ball inlet pipe, 8 a sealing cover, 9 a first activated carbon plate, 10 a second activated carbon plate, 11 a third activated carbon plate, 12 a carbon inlet, 13 a carbon outlet, 14 a spray pipe, 15 a spray head, 16 a water supply pump, 17 a water supply pipe, 18 a water injection pipe, 19 a fine sand mesh filtering layer, 20 a porcelain surface filtering layer, 21 a flow baffle plate, 22 a purifying channel, 23 a water tank and 24 a medicine injection pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1-4, a biomass burner flue gas purification device comprises a first purification chamber 1 and a second purification chamber 2, a flue gas flow pipe 3 is connected between the first purification chamber 1 and the second purification chamber 2, a flue gas inlet 4 is connected to the bottom of the first purification chamber 1, a support iron mesh plate 5 is inserted into the inner side of the flue gas inlet 4, a plurality of fiber balls 6 are arranged at the bottom of the inner side of the first purification chamber 1, a ball inlet pipe 7 is arranged at the side of the first purification chamber 1, a sealing cover 8 is arranged above the ball inlet pipe 7, a first activated carbon plate 9, a second activated carbon plate 10 and a third activated carbon plate 11 are obliquely arranged in the middle of the first purification chamber 1, the first activated carbon plate 9, the second activated carbon plate 10 and the third activated carbon plate 11 are sequentially arranged from top to bottom and have mesh structures on the surfaces, flow cavities are arranged inside the first activated carbon plate 9, the second activated carbon plate 10 and the third activated carbon plate 11 and are communicated with each other, the flowing cavity is filled with oil-containing activated carbon, two sides of the first purifying chamber 1 are respectively provided with a carbon inlet 12 and a carbon outlet 13, and the carbon inlet 12 and the carbon outlet 13 are respectively communicated with the flowing cavities inside the first activated carbon plate 9 and the third activated carbon plate 11. The top of the second purifying chamber 2 is provided with a spray pipe 14, the bottom of the spray pipe 14 is provided with a plurality of spray heads 15, the side of the second purifying chamber 2 is provided with a water supply pump 16, the top of the water supply pump 16 is provided with a water supply pipe 17, the top of the water supply pipe 17 is provided with a water injection pipe 18, the water injection pipe 18 extends into the second purifying chamber 2 and is connected with the spray pipe 14

When the device is used, the burner enters the first purifying chamber 1 through the flue gas inlet 4 at the bottom of the first purifying chamber 1, the fiber balls 6 can adsorb dust in flue gas, meanwhile, the active carbon in the three active carbon plates can adsorb harmful gas in the flue gas, the fiber balls 6 enter from the ball inlet pipe 7, during purification, the sealing cover 8 above the ball inlet pipe 7 is closed, the supporting iron screen plate 5 inserted in the inner side of the flue gas inlet 4 plays a role in preventing the fiber balls 6 from falling off, after the purification is finished, the supporting iron screen plate 5 is pulled out, the fiber balls 6 which are used up are discharged from the flue gas inlet 4, then new fiber balls 6 are put in through the ball inlet pipe 7, the replacement can be finished, the active carbon for replacing the active carbon plates is the same, the carbon inlet 12 and the carbon outlet 13 are opened, because the three active carbon plates are all obliquely arranged, the internal active carbon is discharged from the carbon outlet 13 under the action of gravity, then closing the carbon outlet 13, and newly putting active carbon from the carbon inlet 12 until the flowing cavities in the three active carbon plates are filled; after the absorption through active carbon cover and fibre ball 6, the flue gas continues to get into second clean room 2 through flue gas circulation pipe 3, the inside of flue gas circulation pipe 3 still is equipped with fine sand net filter layer 19 and porcelain face filter layer 20 respectively, can further filter the flue gas, reach second clean room 2 when the flue gas, the dust and the harmful substance that contain are less, supply water through working shaft 16, shower nozzle 15 water spray forms the water smoke and further purifies the flue gas, because flue gas dust content greatly reduced, the water smoke drops down in its contact and forms behind the rivers, this rivers can carry out manifold cycles and utilize. The purified flue gas is discharged from a smoke outlet at the side of the first purifying chamber 1.

Example 2

This embodiment has the same portions as embodiment 1, and is different in that: the inside of the second purifying chamber 2 is provided with a plurality of flow baffle plates 21 below the spray pipe 14, the flow baffle plates 21 are arranged in a staggered manner in sequence, and a purifying channel 22 is formed between the flow baffle plates 21. The flow blocking plate 21 can prolong the smoke passing time, so that the contact time of water mist and smoke is prolonged, the effect of improving the purification capacity is achieved, the medicine injection pipe 24 is connected above the water injection pipe 18, the purification powder can be put in the medicine injection pipe 24, and the water mist formed after being mixed with water can have a better purification effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biomass burner gas cleaning device which characterized in that: comprises a first purifying chamber (1) and a second purifying chamber (2), a flue gas circulation pipe (3) is connected between the first purifying chamber (1) and the second purifying chamber (2), the bottom of the first purifying chamber (1) is connected with a flue gas inlet (4), a supporting iron mesh plate (5) is inserted into the inner side of the flue gas inlet (4), a plurality of fiber balls (6) are arranged at the bottom of the inner side of the first purifying chamber (1), a ball inlet pipe (7) is arranged at the side edge of the first purifying chamber (1), a sealing cover (8) is arranged above the ball inlet pipe (7), a first activated carbon plate (9), a second activated carbon plate (10) and a third activated carbon plate (11) are obliquely arranged in the middle of the first purifying chamber (1), the first activated carbon plate (9), the second activated carbon plate (10) and the third activated carbon plate (11) are sequentially arranged from top to bottom, and the surfaces of the first activated carbon plate (9), the second activated carbon plate (10) and the third activated carbon plate (11) are of a net structure, the inside of first activated carbon board (9), second activated carbon board (10), third activated carbon board (11) all is equipped with the chamber that flows and every flows the chamber and communicates each other, the both sides of first clean room (1) are equipped with respectively into charcoal mouth (12) and go out charcoal mouth (13), advance charcoal mouth (12) and go out charcoal mouth (13) and link to each other the switch-on with the inside chamber that flows of first activated carbon board (9), third activated carbon board (11) respectively.

2. The biomass burner flue gas purification device of claim 1, characterized in that: the top of second clean room (2) is equipped with shower (14), the bottom of shower (14) is equipped with a plurality of shower nozzles (15), the side of second clean room (2) is equipped with working shaft (16), the top of working shaft (16) is equipped with delivery pipe (17), the top of delivery pipe (17) is equipped with water injection pipe (18), water injection pipe (18) extend to in second clean room (2) and are connected with shower (14).

3. The biomass burner flue gas purification device of claim 2, characterized in that: the smoke circulating pipe (3) is also internally provided with a fine sand net filter layer (19) and a porcelain surface filter layer (20) respectively.

4. The biomass burner flue gas purification device of claim 3, wherein: the inside of second clean room (2) is located the below of shower (14) and is equipped with a plurality of fender and flow board (21), and a plurality of fender is flowed board (21) and is crisscross the setting in proper order, a plurality of fender is flowed and is formed with purification passageway (22) between board (21).

5. The biomass burner flue gas purification device of claim 4, wherein: a water tank (23) is arranged below the second purifying chamber (2), and the input end of the water supply pump (16) is connected with the water tank (23).

6. The biomass burner flue gas purification device of claim 5, wherein: and a medicine injection pipe (24) is connected above the water injection pipe (18).