CN115155272A - Reaction tower and system for capturing and reducing noise of tail gas carbon of natural gas boiler - Google Patents
Reaction tower and system for capturing and reducing noise of tail gas carbon of natural gas boiler Download PDFInfo
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- CN115155272A CN115155272A CN202210794482.7A CN202210794482A CN115155272A CN 115155272 A CN115155272 A CN 115155272A CN 202210794482 A CN202210794482 A CN 202210794482A CN 115155272 A CN115155272 A CN 115155272A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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Abstract
The invention belongs to the technical field of tower type electro-hydraulic noise reduction treatment, and provides a carbon capture noise reduction reaction tower for tail gas of a natural gas boiler and a system thereof. The reaction tower comprises: the tower body and the noise reduction mechanism; the noise reduction mechanism is arranged in the tower body and is used for reducing noise; the tower body is provided with an inlet pipe and an outlet pipe; the inlet pipe and the outlet pipe are both positioned on the tower body; the noise reduction mechanism comprises a fixed sleeve, a piezoelectric plate and an active noise reduction vibration film; the piezoelectric plate is installed in the tower body for generating electricity. The system comprises an absorption tower, a flash regeneration tower, a separator, a regeneration tower and a purification gas separator which are connected in sequence. The device utilizes the gas flow or liquid flow in the reaction tower as an electric energy source, greatly saves electric energy, effectively utilizes the liquid characteristic, and greatly reduces noise propagation, thereby being suitable for industrial popularization.
Description
Technical Field
The invention relates to the technical field of tower type electro-hydraulic noise reduction treatment, in particular to a carbon capture noise reduction reaction tower for tail gas of a natural gas boiler and a system thereof.
Background
In the actual application process of the traditional reaction tower, noise is often generated due to chemical combination reaction; as a source of noise, the noise is too high around, and production and life are affected;
in the traditional noise reduction idea, noise reduction is performed through the internal structure of the reaction tower, so that sound transmission is reduced; the noise can be reduced; however, the method has the main limitations that the processing of the internal material is complicated and the cost is too high. Therefore, in order to solve the current situation and reduce noise propagation, an electro-hydraulic hybrid design noise reduction idea is adopted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a natural gas boiler tail gas carbon capture noise reduction reaction tower and a system thereof, so as to reduce noise and reduce energy supply.
In a first aspect, the present invention provides a reaction tower and a system for carbon capture and noise reduction of tail gas of a natural gas boiler, comprising: the tower body and the noise reduction mechanism; the noise reduction mechanism is arranged in the tower body and is used for reducing noise; the tower body is provided with an inlet pipe and an outlet pipe; the inlet pipe and the outlet pipe are both positioned on the tower body; the noise reduction mechanism comprises a fixed sleeve, a piezoelectric plate and an active noise reduction vibration film; the fixed sleeve is arranged in the tower body, and the active noise reduction vibration film is arranged in the fixed sleeve; the piezoelectric plate is arranged in the tower body and used for generating electric quantity, and the piezoelectric plate is electrically connected with the active noise reduction vibration film.
Further, the piezoelectric plate is installed in the inlet pipe and the outlet pipe at one place or more. In practical application, the design utilizes the fluidity of the fluid to realize the acquisition of electric quantity so as to provide electric quantity for the whole electric noise reduction device. Of course, in practice, many electronic components, including a rectifier, a battery, etc., are also needed in order to store the current generated by the piezoelectric plate for subsequent use.
Further, the sound absorption layer is further included, and the fixing sleeve is provided with a noise reduction cavity; the noise reduction cavity is provided with a vortex cavity section, an expansion section and a sound absorption section, and is sequentially arranged in the direction far away from the bottom of the tower body and communicated with the tower body; the sound absorption layer is arranged in the sound absorption section and is positioned on the side wall of the sound absorption section; the active noise reduction diaphragm is installed in the sound absorption section. In practical application, the sound absorption layer is a composite material consisting of organic fiber materials, hemp cotton felt, inorganic fiber materials, glass cotton, rock wool and the like. The cross section of the vortex cavity section is in a vortex shape, the expansion section is in a sleeve shape, the cavity hole is arranged in the sleeve hole, and the expansion section is provided with at least one through hole and is communicated with the external sleeve hole; the pressure is reduced, the sound of the pressure is diffused to the periphery, and the noise is reduced. Meanwhile, the active noise reduction vibrating membrane is used for generating noise and offsetting the original noise.
The noise reduction liquid sleeve is arranged on the sound absorption section and is far away from the bottom of the tower body; the noise reduction liquid sleeve is communicated with the sound absorption section; the noise reduction liquid sleeve comprises a bent main pipe and a liquid wave sleeve; one end of the bent main pipe is fixedly arranged on the sound absorption section, and the liquid wave sleeve is arranged in the bent main pipe and attached to the pipe wall of the bent main pipe. In practical application, when noise is transmitted to the bent main pipe, the noise is in contact with the liquid wave sleeve, and the liquid wave sleeve is made of flexible materials, so that the flexible materials can be used for offsetting the transmission of the sound, and the noise is reduced.
Furthermore, the noise reduction liquid sleeve further comprises a main sleeve, the main sleeve is installed on the sound absorption section, liquid is filled in the main sleeve in a sealed mode, and the other end of the bent main pipe extends into the main sleeve and is submerged into the liquid. In practical application, the liquid is the antifreeze, and the design effectively utilizes the characteristics of slow sound transmission and small sound in the liquid; the liquid wave sleeve is used for reducing noise, and meanwhile, the design of the liquid wave sleeve also has the function of reducing vibration, so that the liquid wave sleeve is matched with the scheme, so that the sound vibration appearing in the main sleeve is reduced, large irregular bubbles appearing in the main sleeve are reduced, and more continuous small bubbles are formed; meanwhile, the characteristics of the antifreeze solution for generating foam are considered to be less, and the noise is reduced.
Further, the liquid wave sleeve comprises a rubber sleeve and a magnetic block; the rubber sleeve is in an annular sleeve shape, the bent main pipe is made of metal, liquid is hermetically filled in the rubber sleeve, the inner wall of the rubber sleeve is abutted with the magnetic block, and the outer wall of the rubber sleeve is abutted with the bent main pipe; the magnetic block is fixedly connected with the bent main pipe. In practical application, the liquid is antifreeze and is not completely filled, so that the device can be effectively ensured to be used in a special cold environment, and the device is simple to mount and convenient to detach and replace.
Furthermore, at least one active noise reduction vibration film is arranged in the sound absorption section, and one side of the active noise reduction vibration film is fixedly arranged on the side wall of the sound absorption section and is close to the center of the sound absorption section; the active noise reduction diaphragm is used for generating sound to offset noise. In practical application, the design is that the sound waves which generate the offset noise by the multiple layers of the active noise reduction vibration film are in up-down cross sequencing in order to realize noise reduction, so that the noise sound waves are continuously offset by the active noise reduction vibration film in the sound absorption section after being transmitted.
Furthermore, the piezoelectric plate is further arranged below the fixed sleeve, and at least one part of the piezoelectric plate is uniformly distributed. In practical use, the noise influence on the position is the largest, so the arrangement of the piezoelectric plate enables the power generation efficiency to be optimal.
In a second aspect, the invention relates to a carbon capture and noise reduction reaction system for tail gas of a natural gas boiler, which comprises an absorption tower, a catalytic converter, an exhaust gas boiler system, an exhaust gas cooling and collecting system and a carbon dioxide capture system;
the catalytic converter, the waste gas boiler system, the waste gas cooling and collecting system and the carbon dioxide trapping system are connected in sequence;
the waste gas boiler system is used for collecting waste gas in the boiler system;
the waste gas cooling and collecting system is used for cooling gas entering the waste gas boiler system;
the carbon dioxide capture system is used for collecting carbon dioxide in the exhaust gas.
According to the technical scheme, the carbon capture noise reduction reaction tower for the tail gas of the natural gas boiler and the system thereof have the beneficial effects that: in practical application, noise transmission is reduced through various sound insulation facilities in the design; and multiple composite sound insulation effects are realized by using various devices in combination. And adopt the mode and the use of integral erection, improved the intensification to the piezoelectricity design thinking that adopts provides the energy for whole noise reduction system, especially need not the condition that external current inserts, more improvement holistic energy-conserving effect, of course fallen to make an uproar in order to improve the sound insulation, still covered relevant soundproof cotton etc. on the tower body.
Drawings
In order to more clearly illustrate the embodiments of the present invention, reference will now be made briefly to the embodiments or to the accompanying drawings that are needed in the description of the prior art. The elements or parts are not necessarily drawn to scale in all figures.
FIG. 1 is a schematic structural diagram of a carbon capture noise reduction reaction tower for tail gas of a natural gas boiler and a system thereof;
FIG. 2 is an enlarged schematic view of the point A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the point B shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the point C shown in FIG. 1;
reference numerals are as follows:
the noise reduction device comprises a tower body 1, an inlet pipe 11, an outlet pipe 12, a noise reduction mechanism 2, a fixing sleeve 21, a noise reduction cavity 211, a vortex cavity section 2110, an expansion section 2112, a sound absorption section 2113, a piezoelectric plate 22, an active noise reduction vibration film 23, a sound absorption layer 3, a noise reduction liquid sleeve 4, a bent main pipe 41, a liquid wave sleeve 42, a main sleeve 43, a rubber sleeve 421, a magnetic block 422, soundproof cotton 100, a through hole 200, an inner sleeve hole 300, an outer sleeve 400 and a soundproof felt 500.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
The embodiment is basically as shown in the attached figures 1 to 3:
example 1:
as shown in fig. 1-3, the present invention provides a reaction tower for capturing and reducing noise of exhaust gas of a natural gas boiler and a system thereof, so as to reduce noise, improve human-machine efficiency, and reduce energy supply.
A natural gas boiler tail gas carbon capture noise reduction reaction tower comprises: the tower body 1 and the noise reduction mechanism 2; the noise reduction mechanism 2 is arranged in the tower body 1, and the noise reduction mechanism 2 is used for reducing noise; the tower 1 has an inlet pipe 11 and an outlet pipe 12; the inlet pipe 11 and the outlet pipe 12 are both positioned on the tower body 1; the noise reduction mechanism 2 comprises a fixed sleeve 21, a piezoelectric plate 22 and an active noise reduction vibration film 23; the fixed sleeve 21 is installed in the tower body 1, and the active noise reduction vibration film 23 is installed in the fixed sleeve 21; the piezoelectric plate 22 is installed in the tower body 1 and used for generating electricity, and the piezoelectric plate 22 is electrically connected with the active noise reduction vibration film 23. In practical application, noise transmission is reduced through various sound insulation facilities in the design; and multiple composite sound insulation effects are realized by using various devices in combination. And adopt the mode and the use of integral erection, improved intensification to the piezoelectricity design thinking that adopts provides the energy for whole noise reduction system, especially need not the condition that external current inserts, more improvement holistic energy-conserving effect, of course in order to improve the sound insulation and fall the noise, still cover relevant soundproof cotton 100 etc. on tower body 1.
In the present embodiment, the piezoelectric plate 22 is installed in the inlet pipe 11 and the outlet pipe 12 at not less than one place. In practical application, the design utilizes the fluidity of the fluid to realize the acquisition of electric quantity so as to provide electric quantity for the whole electric noise reduction device. Of course, in practice, many electronic components, including a rectifier, a battery, etc., are also needed in order to reserve the current generated by the piezoelectric plate 22 for subsequent use.
In this embodiment, the sound absorption layer 3 is further included, and the fixing sleeve 21 is provided with a noise reduction cavity 211; the noise reduction cavity 211 is provided with a vortex cavity section 2110, an expansion section 2112 and a sound absorption section 2113, and is sequentially arranged in a direction away from the bottom of the tower body 1 and communicated with the same; the sound absorption layer 3 is installed in the sound absorption section 2113 and is located on the side wall of the sound absorption section 2113; the active noise reduction diaphragm 23 is installed in the sound absorbing section 2113. In practical application, the sound absorption layer 3 is a composite material composed of organic fiber materials, hemp cotton felt, inorganic fiber materials, glass cotton, rock wool and the like. The cross section of the vortex cavity section 2110 is in a vortex shape, the expansion section 2112 is in an inner sleeve shape and an outer sleeve shape, the cavity hole is formed in the inner sleeve hole 300, and the expansion section 2112 is provided with at least one through hole 200 and communicated with the outer sleeve 400; for reducing pressure, diffusing sound to the surroundings, and reducing noise, and a sound-insulating felt 500 and other composite materials are provided between the inner sleeve hole 300 and the outer sleeve 400. Meanwhile, the active noise reduction vibration film 23 is used for generating noise and offsetting the original noise.
In this embodiment, the noise reduction device further includes a noise reduction liquid jacket 4, where the noise reduction liquid jacket 4 is installed on the sound absorption section 2113 and in a direction away from the bottom of the tower body 1; the noise reduction liquid sleeve 4 is communicated with the sound absorption section 2113; the noise reduction liquid sleeve 4 comprises a bent main pipe 41 and a liquid wave sleeve 42; one end of the main bent pipe 41 is fixedly installed on the sound absorption section 2113, and the liquid wave sleeve 42 is installed in the main bent pipe 41 and attached to the pipe wall of the main bent pipe 41. In practical application, when noise is transmitted to the bent main pipe 41, the noise will contact with the liquid wave sleeve 42, and the liquid wave sleeve 42 is made of a flexible material, so that the transmission of sound can be counteracted by using the flexible material, and the noise is reduced.
In this embodiment, the noise reduction liquid jacket 4 further includes a main jacket 43, the main jacket 43 is mounted on the sound absorption section 2113 and is hermetically filled with liquid in the main jacket 43, and the other end of the bent main pipe 41 extends into the main jacket 43 and is submerged in the liquid. In practical application, the liquid is the antifreeze, and the design effectively utilizes the characteristics of slow sound transmission and small sound in the liquid; the design of the liquid wave sleeve 42 is used for reducing noise, and meanwhile, the vibration is also reduced, so that in cooperation with the scheme, the sound vibration appearing in the main sleeve 43 is reduced, large irregular bubbles appearing in the main sleeve 43 are reduced, and more continuous small bubbles exist; meanwhile, the aim of reducing noise is to consider the less foaming property of the antifreeze.
In this embodiment, the liquid wave sleeve 42 includes a rubber sleeve 421 and a magnetic block 422; the rubber sleeve 421 is in an annular sleeve shape, the bent main pipe 41 is made of metal, liquid is hermetically filled in the rubber sleeve 421, the inner wall of the rubber sleeve 421 abuts against the magnetic block 422, and the outer wall of the rubber sleeve 421 abuts against the bent main pipe 41; the magnetic block 422 is fixedly connected with the bent main pipe 41. In practical application, the liquid is antifreeze liquid and is not completely filled, so that the device can be effectively ensured to be used in a special and cold environment, and is simple to install and convenient to disassemble and replace.
In this embodiment, at least one position of the active noise reduction vibration film 23 is installed in the sound absorption section 2113, and one side of the active noise reduction vibration film 23 is fixedly installed on the side wall of the sound absorption section 2113 and approaches to the center of the sound absorption section 2113; the active noise reduction diaphragm 23 is used to generate sound to cancel noise. In practical applications, the design is to realize noise reduction, and the sound waves are ordered in the sound absorption section 2113 in a vertically staggered manner, so that the sound waves of the active noise reduction vibration film 23, which generate cancellation noise in a multi-layer and multi-interaction manner, are generated, and the noise sound waves are continuously cancelled by the active noise reduction vibration film 23 when being transmitted into the sound absorption section 2113.
In this embodiment, the piezoelectric plate 22 is further installed below the fixing sleeve 21, and at least one position is uniformly distributed. In actual use, the noise influence is greatest at this position, and therefore the piezoelectric plate 22 is provided so that the power generation efficiency thereof is optimized.
Example 2:
the tail gas carbon capture system of the natural gas boiler comprises an absorption tower, a catalytic converter, a waste gas boiler system, a waste gas cooling and collecting system and a carbon dioxide capture system; the catalytic converter, the waste gas boiler system, the waste gas cooling and collecting system and the carbon dioxide trapping system are connected in sequence; the waste gas boiler system is used for collecting waste gas in the boiler system; the waste gas cooling and collecting system is used for cooling gas entering the waste gas boiler system; the carbon dioxide capture system is used for collecting carbon dioxide in the exhaust gas.
In actual operation, the inlet tube 11 is opened and fluid or gas is waited for.
In summary, the reaction tower and the system for capturing and reducing noise of the carbon in the tail gas of the natural gas boiler have the advantages of reasonable design, convenience in use and simplicity in operation, especially, the gas flow or the liquid flow in the reaction tower is used as an electric energy source, so that the electric energy is greatly saved, the liquid characteristic is effectively utilized, and the noise propagation is greatly reduced, so that the reaction tower and the system are suitable for industrial popularization.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. The utility model provides a reaction tower of making an uproar falls in natural gas boiler tail gas carbon capture which characterized in that includes: the tower body and the noise reduction mechanism; the noise reduction mechanism is arranged in the tower body and is used for reducing noise;
the tower body is provided with an inlet pipe and an outlet pipe; the inlet pipe and the outlet pipe are positioned on the tower body;
the noise reduction mechanism comprises a fixed sleeve, a piezoelectric plate and an active noise reduction vibration film; the fixed sleeve is arranged in the tower body, and the active noise reduction vibration film is arranged in the fixed sleeve; the piezoelectric plate is installed in the tower body for generating electric quantity, the piezoelectric plate with the vibration membrane electricity of making an uproar is fallen in the initiative is connected.
2. The natural gas boiler tail gas carbon capture noise reduction reaction tower of claim 1, wherein no less than one piezoelectric plate is installed in the inlet pipe and the outlet pipe.
3. The reaction tower of reducing noise of carbon capture of natural gas boiler tail gas of claim 1, further comprising a sound absorbing layer, said stationary sleeve having a noise reduction cavity; the noise reduction cavity is provided with a vortex cavity section, an expansion section and a sound absorption section, and is sequentially arranged in the direction far away from the bottom of the tower body and communicated with the tower body; the sound absorption layer is arranged in the sound absorption section and is positioned on the side wall of the sound absorption section; the active noise reduction diaphragm is installed in the sound absorption section.
4. The natural gas boiler tail gas carbon capture noise reduction reaction tower of claim 3, further comprising a noise reduction liquid jacket, wherein the noise reduction liquid jacket is mounted on the sound absorption section and in a direction away from the bottom of the tower body; the noise reduction liquid sleeve is communicated with the sound absorption section; the noise reduction liquid sleeve comprises a bent main pipe and a liquid wave sleeve; one end of the bent main pipe is fixedly arranged on the sound absorption section, and the liquid wave sleeve is arranged in the bent main pipe and is attached to the pipe wall of the bent main pipe.
5. The natural gas boiler tail gas carbon capture noise reduction reaction tower of claim 4, wherein the noise reduction liquid jacket further comprises a main jacket, the main jacket is mounted on the sound absorption section and is sealed and filled with liquid, and the other end of the bent main pipe extends into the main jacket and is submerged into the liquid.
6. The natural gas boiler tail gas carbon capture noise reduction reaction tower of claim 4, wherein the liquid wave sleeve comprises a rubber sleeve and a magnetic block; the rubber sleeve is in an annular sleeve shape, the bent main pipe is made of metal, liquid is hermetically filled in the rubber sleeve, the inner wall of the rubber sleeve is abutted with the magnetic block, and the outer wall of the rubber sleeve is abutted with the bent main pipe; the magnetic block is fixedly connected with the bent main pipe.
7. The carbon capturing and noise reducing reaction tower for the tail gas of the natural gas boiler according to claim 4, wherein at least one active noise reducing vibration membrane is installed in the sound absorption section, and one side of the active noise reducing vibration membrane is fixedly installed on the side wall of the sound absorption section and approaches to the center of the sound absorption section; the active noise reduction diaphragm is used for generating sound to offset noise.
8. The natural gas boiler tail gas carbon capture noise reduction reaction tower of claim 4, wherein the piezoelectric plate is further installed below the fixing sleeve, and at least one piezoelectric plate is uniformly distributed, and the piezoelectric plate is electrically connected with the active noise reduction vibrating membrane.
9. A natural gas boiler tail gas carbon capture system is characterized by comprising an absorption tower, a catalytic converter, a waste gas boiler system, a waste gas cooling and collecting system and a carbon dioxide capture system;
the catalytic converter, the waste gas boiler system, the waste gas cooling and collecting system and the carbon dioxide trapping system are connected in sequence;
the waste gas boiler system is used for collecting waste gas in the boiler system;
the waste gas cooling and collecting system is used for cooling gas entering the waste gas boiler system;
the carbon dioxide capture system is used for collecting carbon dioxide in the exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210794482.7A CN115155272B (en) | 2022-07-05 | 2022-07-05 | Natural gas boiler tail gas carbon capturing noise reduction reaction tower and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210794482.7A CN115155272B (en) | 2022-07-05 | 2022-07-05 | Natural gas boiler tail gas carbon capturing noise reduction reaction tower and system thereof |
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| CN115155272B CN115155272B (en) | 2023-07-18 |
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| KR101993833B1 (en) * | 2018-04-09 | 2019-06-27 | 황성일 | Reduced noise car muffler |
| CN213193123U (en) * | 2020-05-13 | 2021-05-14 | 太仓新瑞节能设备有限公司 | Noise-reduction type multistage waste gas environment-friendly treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB270541A (en) * | 1926-06-19 | 1927-05-12 | Marcel Von Wertaur | Means for eliminating carbon-monoxide in the exhaust of internal combustion engines |
| US2216763A (en) * | 1939-06-03 | 1940-10-08 | Glenn W Pierce | Carbon monoxide purifier and muffler |
| US4596306A (en) * | 1983-04-12 | 1986-06-24 | Nissan Motor Co., Ltd. | Exhaust silencing system |
| US6386317B1 (en) * | 1998-12-21 | 2002-05-14 | Nissan Motor Co., Ltd. | Sound-absorbing duct structure |
| US20100314884A1 (en) * | 2007-12-21 | 2010-12-16 | Vestas Wind Systems A/S | Wind turbine, a method for reducing noise emission from a wind turbine tower and use of a wind turbine |
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