CN115789627A

CN115789627A - High-efficient burning tail gas processing apparatus of biomass energy

Info

Publication number: CN115789627A
Application number: CN202211554490.0A
Authority: CN
Inventors: 刘珠伟; 王睿; 程强; 李敏
Original assignee: Jiangsu Ocean University
Current assignee: Jiangsu Ocean University
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-14
Anticipated expiration: 2042-12-06
Also published as: CN115789627B

Abstract

The invention discloses a biomass energy efficient combustion tail gas treatment device which comprises a biomass energy combustion furnace, wherein the biomass energy combustion furnace comprises a combustion furnace body, rotary material lifting mechanisms, dust fall spraying mechanisms, a smoke heat energy recovery cover, a top cover and a combustion detection chamber, the right end of the combustion furnace body is provided with a material inlet, the right end of the combustion furnace body is provided with a waste gas treatment chamber, the rotary material lifting mechanisms are respectively provided with two groups and symmetrically arranged inside the combustion furnace body, the dust fall spraying mechanisms are arranged in the waste gas treatment chamber and comprise water inlet pipes, spraying pipes, a drainage pipe and a blow-off pipe, and the water inlet pipes are respectively connected with the spraying pipes through the pipelines. The biological energy combustion furnace designed by the invention can improve the plant combustion efficiency, fully extract the heat in the flue gas and improve the utilization rate of heat energy, and can perform efficient dust fall and combustion treatment on the generated waste gas to reduce the emission of harmful gas in the waste gas.

Description

High-efficient burning tail gas processing apparatus of biomass energy

Technical Field

The invention relates to the technical field of biomass energy waste gas treatment, in particular to a biomass energy efficient combustion tail gas treatment device.

Background

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. The current ways of using biomass energy more efficiently are: (1) Preparing methane, wherein urban and rural organic garbage, straws, water and human and animal excrement are mainly utilized to generate combustible gas methane through anaerobic digestion for life and production; and (2) preparing alcohol by using the biomass. In the current world energy structure, the occupied proportion of biomass energy is very little, and the existing treatment mode for biomass energy mostly adopts the mode of burning, for example: the straw, the plant rhizome, the branch and the leaf and the shell are subjected to energy extraction in a combustion mode, and a special combustion furnace is required for combustion treatment.

However, the existing combustion furnaces for biomass energy combustion have the following problems in use: in the combustion process, a large amount of waste gas is usually generated, and the waste gas contains suspended matters, carbon dioxide and carbon monoxide, so that the components enter the air to cause great pollution to the air; (2) Plants are generally piled up in a burning furnace, and plants positioned inside and at the bottom are difficult to be sufficiently burnt in the burning process, so that energy sources cannot be sufficiently extracted, and toxic gases such as carbon monoxide are easily generated. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

Disclosure of Invention

The invention aims to provide a device for treating tail gas generated by high-efficiency combustion of biomass energy, which solves the technical problems that a large amount of waste gas is usually generated in the combustion process, the waste gas contains suspended matters, carbon dioxide and carbon monoxide, and the components enter the air to cause great pollution to the air.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient burning tail gas processing apparatus of biomass energy, fires burning furnace including the biomass energy, the biomass energy fires burning furnace is including firing burning furnace body, rotation type lifting mechanism, dust fall spray mechanism, flue gas heat recovery cover, overhead guard and burning detection room, the right-hand member that fires burning furnace body is provided with pan feeding mouth and right-hand member and installs the exhaust-gas treatment room, rotation type lifting mechanism divides to be equipped with two sets ofly and symmetrical installation in the inside that fires burning furnace body, dust fall spray mechanism installs in the exhaust-gas treatment room and includes oral siphon, shower, drainage tube and blow off pipe, the oral siphon is connected with a plurality of groups shower respectively through a plurality of groups pipeline, a plurality of groups shower evenly distributed is in the top of exhaust-gas treatment room, the drainage tube is installed in the bottom of exhaust-gas treatment room and the end is connected with the blow off pipe, the top machine-shaping of burning furnace body has the mounting groove, the flue gas heat recovery cover is embedded in the mounting groove, the overhead guard is installed in the top of flue gas heat recovery cover, the bottom of flue gas heat recovery cover is linked together with the mounting groove and one end is connected with burning detection room and is connected with burning detection room, the air exhauster is installed to the outer end and is connected with the exhaust pipe, the valve control platform through the circuit.

As a preferable mode of the invention, the rotary lifting mechanism comprises a driving motor, a rotating shaft, lifting plates, return springs and baffles, wherein the driving motor is installed on the combustion furnace body, the power output end of the driving motor is fixed at the end part of the rotating shaft through bolts, the lifting plates are divided into a plurality of groups and are uniformly distributed on the rotating shaft in an annular shape, the lifting plates are movably connected with the rotating shaft through hinges, one side of each lifting plate is connected with the return springs, the tail ends of the return springs are fixed on the rotating shaft, and the baffles are installed on the inner wall of the combustion furnace body and are matched with the lifting plates for use.

As a preferable mode of the present invention, the baffle includes a base and a plate body mounted on the base, the lower surface of the plate body is of a cambered surface structure, and the outer end of the material raising plate located below is in contact with the plate body.

As a preferable mode of the present invention, the shower pipe includes a drainage pipe and a plurality of groups of shower heads installed below the drainage pipe, and two adjacent groups of the shower heads are distributed at equal intervals.

As a preferable mode of the invention, the flue gas heat energy recovery cover comprises a substrate and an arched cover arranged on the substrate, an airflow channel is arranged on the substrate and communicated with the waste gas treatment chamber, a cavity is formed between the substrate and the arched cover, a plurality of groups of air holes are uniformly arranged on the surface of the arched cover, and a heat absorption pipe is laid on the surface of the arched cover.

As a preferable mode of the invention, one end of the heat absorption pipe is connected with the water inlet pipe and is distributed on the surface of the arched cover in a snake shape, and the heat absorption pipe is positioned among the air holes.

As a preferred mode of the present invention, the combustion detection chamber includes a gas pipe, a mounting ring, ignition heads, a guiding inner cover, and a carbon monoxide concentration sensor, the gas pipe is laid on the mounting ring, the ignition heads are divided into a plurality of groups and uniformly distributed on the mounting ring, the ignition heads of the plurality of groups are connected to the gas pipe through a pipeline, the guiding inner cover is placed inside the mounting ring, and the carbon monoxide concentration sensor is connected to the console through a line.

As a preferred mode of the present invention, the guide inner cover is of a cambered surface structure, the left end of the guide inner cover is formed with an airflow ring, a plurality of sets of airflow channels are formed inside the airflow ring, and the tail ends of the plurality of sets of airflow channels are distributed in one-to-one correspondence with the plurality of sets of ignition heads.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention improves the structure of a biomass energy efficient combustion furnace, the combustion furnace is provided with a set of waste gas treatment mechanism, the biomass energy combustion furnace comprises a combustion furnace body, a rotary material lifting mechanism, a dust fall spraying mechanism, a smoke heat energy recovery cover, a top cover and a combustion detection chamber, plants to be combusted are guided into the furnace body from a feed inlet of the combustion furnace body for combustion treatment, the plants in the combustion process can be lifted and turned by the rotary material lifting mechanism, the combustion effect of the plants is improved, the waste gas generated by combustion enters the dust fall spraying mechanism, dust fall treatment is carried out on suspended matters and dust in the waste gas in a spraying mode, the sewage after dust fall is discharged, the waste gas enters the smoke heat energy recovery cover along a channel after dust removal, the heat in the smoke can be absorbed and fully utilized by the smoke heat energy recovery cover, the gas absorbed by the heat enters the top cover, the gas is guided into the combustion detection chamber in a sucking mode, and carbon monoxide in the combustion is fully combusted, and the emission of harmful gas is reduced.

2. The biological energy combustion furnace designed by the invention can improve the plant combustion efficiency, fully extract the heat in the flue gas and improve the utilization rate of heat energy, and can perform high-efficiency dust reduction and combustion treatment on the generated waste gas to reduce the emission of harmful gas in the waste gas.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a structural diagram of the rotary material lifting mechanism of the present invention;

FIG. 3 is a schematic view of the shower of the present invention;

FIG. 4 is a schematic view of the flue gas heat recovery hood of the present invention;

FIG. 5 is a view showing the construction of a combustion detecting chamber according to the present invention;

fig. 6 is a structural view of a guide inner cover according to the present invention.

In the figure, 1, a combustion furnace body; 2. a rotary material lifting mechanism; 3. a dust fall spraying mechanism; 4. a flue gas heat energy recovery cover; 5. a top cover; 6. a combustion detection chamber; 7. a feeding port; 8. an exhaust gas treatment chamber; 9. a water inlet pipe; 10. a shower pipe; 11. a drainage tube; 12. a blow-off pipe; 13. mounting grooves; 14. an exhaust fan; 15. a valve; 16. a console; 17. a drive motor; 18. a rotating shaft; 19. a material raising plate; 20. a return spring; 21. a baffle plate; 22. a base; 23. a plate body; 24. a drainage conduit; 25. a shower head; 26. a substrate; 27. an arch cover; 28. an air flow channel; 29. a cavity; 30. air holes are formed; 31. a heat absorbing tube; 32. a gas pipe; 33. a mounting ring; 34. an ignition head; 35. a guide inner cover; 36. a carbon monoxide concentration sensor; 37. an airflow ring; 38. an airflow channel; 39. a smoke exhaust pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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. 1-6, the present invention provides a technical solution: the utility model provides a high-efficient burning tail gas processing apparatus of biomass energy, fire burning furnace including the biomass energy, biomass energy fires burning furnace including firing burning furnace body 1, rotation type lifting mechanism 2, dust fall sprays mechanism 3, flue gas heat recovery cover 4, overhead guard 5 and burning detection room 6, the right-hand member that fires burning furnace body 1 is provided with pan feeding mouth 7 and right-hand member and installs exhaust-gas treatment room 8, rotation type lifting mechanism 2 branch is equipped with two sets of and symmetrical installation in the inside that fires burning furnace body 1, dust fall sprays mechanism 3 and installs in exhaust-gas treatment room 8 and including oral siphon 9, shower 10, drainage tube 11 and blow off pipe 12, oral siphon 9 is connected with a plurality of groups shower 10 respectively through a plurality of groups pipeline, a plurality of groups shower 10 evenly distributed are in exhaust-gas treatment room 8's top, drainage tube 11 is installed in exhaust-gas treatment room 8's bottom and end and is connected with blow off pipe 12, the top machine-shaping of burning furnace body 1 has mounting groove 13, flue gas heat recovery cover 4 is embedded in mounting groove 13, overhead guard 5 installs in flue gas heat recovery cover 4's top, the bottom of flue gas heat recovery cover 4 is linked together and is connected with mounting groove 13 and exhaust fan 15, exhaust-pipe 15 is connected with exhaust fan 15 through exhaust pipe 15.

Further improved, as shown in fig. 2: the rotary type lifting mechanism 2 comprises a driving motor 17, a rotating shaft 18, lifting blades 19, reset springs 20 and baffles 21, the driving motor 17 is installed on the combustion furnace body 1, the power output end of the driving motor is fixed at the end part of the rotating shaft 18 through bolts, the lifting blades 19 are respectively provided with a plurality of groups and are uniformly distributed on the rotating shaft 18 in an annular mode, the lifting blades 19 are movably connected with the rotating shaft 18 through hinges, one side of each lifting blade is connected with the reset springs 20, the tail ends of the reset springs 20 are fixed on the rotating shaft 18, the baffles 21 are installed on the inner wall of the combustion furnace body 1 and are matched with the lifting blades 19 for use, the driving motor 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the lifting blades 19 to synchronously rotate in the rotating process, when the lifting blades 19 rotate to the positions of the baffles 21, the reset springs 20 extrude, the lifting blades are contracted and accumulate force due to blocking of the baffles 21, when the lifting blades 19 are separated from the baffles 21 due to angle adjustment, the elastic force of the reset springs 20 can quickly reset the lifting blades 19, thereby achieving the purpose of lifting internal plant fuel, and improving the combustion efficiency of the internal plant.

Further improved, as shown in fig. 2: the baffle 21 comprises a base 22 and a plate body 23 arranged on the base 22, the lower surface of the plate body 23 is of an arc surface structure, and the outer end of the material lifting plate 19 positioned below is in contact with the plate body 23, so that the design mode can provide resistance for the material lifting plate 19 and provide power storage for the material lifting plate 19.

In a further improvement, as shown in fig. 3: shower 10 includes drainage tube 24 and installs a plurality of groups shower head 25 in drainage tube 24 below, and two sets of adjacent shower head 25 equidistance distribute, can carry out the dust fall through shower head 25 to the waste gas of below and handle.

Further improved, as shown in fig. 4: the flue gas heat energy recovery cover 4 comprises a base plate 26 and an arched cover 27 arranged on the base plate 26, an air flow channel 28 is arranged on the base plate 26, the air flow channel 28 is communicated with the waste gas treatment chamber 8, a cavity 29 is formed between the base plate 26 and the arched cover 27, a plurality of groups of air holes 30 are uniformly arranged on the surface of the arched cover 27, a heat absorption pipe 31 is laid on the surface of the arched cover 27, and water flows through the heat absorption pipe 31.

Further improved, as shown in fig. 4: one end of the heat absorbing pipe 31 is connected with the water inlet pipe 9 and distributed on the surface of the arched cover 27 in a snake shape, and the heat absorbing pipe 31 is positioned among the air holes 30, so that the heat in the smoke can be better absorbed in the distribution mode.

Further improved, as shown in fig. 5: combustion detection room 6 includes gas pipe 32, collar 33, ignition head 34, guide inner cover 35 and carbon monoxide concentration sensor 36, gas pipe 32 lays on collar 33, ignition head 34 divides to be equipped with a plurality of groups and evenly distributed on collar 33, a plurality of groups ignition head 34 is connected with gas pipe 32 through the pipeline, place the inboard of collar 33 in the guide inner cover 35 in, carbon monoxide concentration sensor 36 is connected with control cabinet 16 through the circuit, the upper end of collar 33 is domes and lower extreme for the horizontal structure, can carry out abundant combustion processing to carbon monoxide through combustion detection room 6.

Specifically, guide inner cover 35 is arc surface structure and the left end machine-shaping has airflow ring 37, airflow ring 37's inside machine-shaping has a plurality of air current chamber ways 38 of organizing, the end and the first 34 one-to-one distribution of ignition of a plurality of air current chamber ways 38 of organizing, will be located exhaust gas to the suction of burning detection room 6 one side in top shield 5 through air exhauster 14, owing to the blockking of guide inner cover 35, exhaust gas enters into burning detection room 6 along airflow chamber way 38 in airflow ring 37, because airflow chamber way 38 is close to ignition head 34, burn the carbon monoxide in the exhaust gas through the ignition of ignition head 34, such combustion method can improve combustion efficiency and the effect to carbon monoxide greatly.

When in use: the plant fuel to be combusted is introduced into the combustion furnace body 1 through the feed inlet 7, the rotary lifting mechanism 2 is opened in the process of combusting the plant in the combustion furnace body 1, the driving motor 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the lifting plate 19 to synchronously rotate in the rotating process, when the lifting plate 19 rotates to the position of the baffle 21, the reset spring 20 is extruded and contracted and stores power due to the blocking of the baffle 21, when the lifting plate 19 is separated from the baffle 21 due to angle adjustment, the lifting plate 19 is quickly reset through the elastic force of the reset spring 20, so that the purpose of lifting the internal plant fuel is achieved, the combustion efficiency of the internal plant is improved, the waste gas generated by combustion enters the waste gas treatment chamber 8 on one side, the waste gas below is subjected to dust fall treatment through the spray header 25, the sewage generated by dust fall enters the drainage tube 11 and is discharged through the drain pipe 12, the flue gas enters the flue gas heat energy recovery hood 4 on the upper side, the heat in the flue gas can be absorbed by the heat absorption pipe 31, the treated, the sewage enters the drainage tube 11 and enters the combustion chamber 5 and is discharged through the top exhaust pipe 12, the top gas flow of the combustion chamber 34, the combustion chamber, the flue gas is greatly improved, the carbon monoxide detection effect that the carbon monoxide detection is achieved by the combustion detection device, and the ignition detection device, the ignition device, and the ignition device, the carbon monoxide detection device can greatly improve the carbon monoxide detection effect of the combustion chamber 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient burning tail gas processing apparatus of biomass energy, includes that biomass energy fires burning furnace, its characterized in that: the biomass energy combustion furnace comprises a combustion furnace body (1), a rotary material lifting mechanism (2), a dust fall spraying mechanism (3), a flue gas heat energy recovery cover (4), a top cover (5) and a combustion detection chamber (6), wherein a feeding port (7) is formed in the right end of the combustion furnace body (1), the right end of the combustion furnace body is provided with the waste gas treatment chamber (8), the rotary material lifting mechanism (2) is respectively provided with two groups of material lifting mechanisms which are symmetrically arranged in the combustion furnace body (1), the dust fall spraying mechanism (3) is arranged in the waste gas treatment chamber (8) and comprises a water inlet pipe (9), spraying pipes (10), a drainage pipe (11) and a blow-off pipe (12), the water inlet pipe (9) is respectively connected with the spraying pipes (10) through a plurality of groups of pipelines, the spraying pipes (10) are uniformly distributed on the top of the waste gas treatment chamber (8), the drainage pipe (11) is arranged at the bottom of the waste gas treatment chamber (8), the tail end of the drainage pipe is connected with the blow-off pipe (12), the top of the combustion furnace body (1) is machined and formed with a plurality of the flue gas heat energy recovery mounting groove (13), the mounting groove (4) is embedded in the mounting groove (13), the top cover (5) and one end of the heat energy recovery cover (6) is connected with the combustion detection chamber (6), air exhauster (14) are installed to the outer end of combustion detection room (6), there is exhaust pipe (39) in the outer end of air exhauster (14), install valve (15) on exhaust pipe (39), valve (15) have control cabinet (16) through the line connection.

2. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 1, is characterized in that: the rotary type material lifting mechanism (2) comprises a driving motor (17), a rotating shaft (18), material lifting plates (19), reset springs (20) and baffle plates (21), wherein the driving motor (17) is installed on the combustion furnace body (1), the power output end of the driving motor is fixed at the end of the rotating shaft (18) through bolts, the material lifting plates (19) are respectively provided with a plurality of groups and are uniformly distributed on the rotating shaft (18) in an annular mode, the material lifting plates (19) are movably connected with the rotating shaft (18) through hinges, one side of the material lifting plates are connected with the reset springs (20), the tail ends of the reset springs (20) are fixed on the rotating shaft (18), and the baffle plates (21) are installed on the inner wall of the combustion furnace body (1) and are matched with the material lifting plates (19) for use.

3. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 2, is characterized in that: the baffle (21) comprises a base (22) and a plate body (23) arranged on the base (22), the lower surface of the plate body (23) is of an arc surface structure, and the outer end of the material raising plate (19) located below is in contact with the plate body (23).

4. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 1, is characterized in that: the spray pipe (10) comprises a drainage pipeline (24) and a plurality of groups of spray heads (25) arranged below the drainage pipeline (24), and the adjacent two groups of spray heads (25) are distributed at equal intervals.

5. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 1, is characterized in that: flue gas heat recovery cover (4) include base plate (26) and install dome cover (27) on base plate (26), airflow channel (28) have been seted up on base plate (26), airflow channel (28) are linked together with exhaust-gas treatment room (8), be formed with cavity (29) between base plate (26) and dome cover (27), a plurality of groups bleeder vent (30) have evenly been seted up on the surface of dome cover (27) and heat absorption pipe (31) have been laid on the surface.

6. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 5, characterized in that: one end of the heat absorption pipe (31) is connected with the water inlet pipe (9) and is distributed on the surface of the arched cover (27) in a snake shape, and the heat absorption pipe (31) is positioned among the air holes (30).

7. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 1, is characterized in that: combustion detection room (6) are including gas pipe (32), collar (33), ignition head (34), guide inner cover (35) and carbon monoxide concentration sensor (36), gas pipe (32) are laid on collar (33), ignition head (34) branch is equipped with a plurality of groups and evenly distributed on collar (33), a plurality of groups ignition head (34) are connected with gas pipe (32) through the pipeline, place the inboard of collar (33) in guide inner cover (35), carbon monoxide concentration sensor (36) are connected with control cabinet (16) through the circuit.

8. The device for treating the tail gas generated by the efficient combustion of the biomass energy source as claimed in claim 7, is characterized in that: the guide inner cover (35) is of a cambered surface structure, an airflow ring (37) is formed at the left end of the guide inner cover in a machining mode, a plurality of groups of airflow channels (38) are formed in the airflow ring (37) in a machining mode, and the tail ends of the airflow channels (38) are distributed in a one-to-one correspondence mode with the ignition heads (34).