CN108916903B - Flue gas mixes wind processing system - Google Patents
Flue gas mixes wind processing system Download PDFInfo
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- CN108916903B CN108916903B CN201811135609.4A CN201811135609A CN108916903B CN 108916903 B CN108916903 B CN 108916903B CN 201811135609 A CN201811135609 A CN 201811135609A CN 108916903 B CN108916903 B CN 108916903B
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- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000003546 flue gas Substances 0.000 title claims abstract description 92
- 239000007789 gas Substances 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 description 21
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a flue gas air mixing treatment system, which comprises an air mixing pipe, an air outlet pipe, a tail gas air pipe, a high-temperature flue gas air pipe and an air mixing treatment device arranged in the air mixing pipe, wherein the air mixing treatment device comprises a premixing air pipe and a final air mixing pipe, the premixing air pipe is arranged in a hollow cavity in the air mixing pipe, and the high-temperature flue gas air pipe is connected to the side wall of the premixing air pipe in a sealing way and penetrates through the inner cavity of the premixing air pipe; the final mixing air pipe is connected with the air outlet port of the premixing air pipe, the air inlet port of the final mixing air pipe is larger than the air outlet port of the premixing air pipe, and the final mixing air pipe is a conical pipe which gradually contracts from the air inlet end to the air outlet end; according to the technical scheme, the high-temperature flue gas and the tail gas entering the premixing air pipe and the final mixing air pipe are subjected to strong mass transfer and heat transfer mixing, so that the heat exchange between the high-temperature flue gas and the tail gas is more complete, the mixing is more uniform, and the heat transfer and mass transfer effects are better.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a flue gas air mixing treatment system.
Background
Tail flue gas generated in processing production can be discharged after flue gas denitration treatment so as to avoid environmental pollution, the tail flue gas denitration treatment generally needs to post-burn high-temperature flue gas and tail gas mixed air treatment, flue gas with various temperatures is converged in a main pipeline, the pipeline length is generally about 10 xD (D: pipeline diameter), and the temperature field distribution on the radial section can reach the use requirement. The common treatment modes are two, one is that the pipelines are directly connected, and the length of the main pipeline is prolonged to meet the use requirement; the other is to manufacture the air mixing chamber, and prolong the time of mass transfer and heat transfer of the flue gas by reducing the speed of the flue gas. In the first mode, the problem that the pipe wall is severely heated unevenly is most likely to cause the damage of the pipe wall, and the requirement of the mixing effect on the length of the pipe is considered when the pipe is arranged; the second method has independent requirements on the field, the air mixing chamber needs to reduce the fluid speed to ensure the mixing requirement, thus the volume of the air mixing chamber is increased, a separate foundation is needed to be manufactured, and when the treatment capacity is increased to a certain level, the volume of the air mixing chamber is huge.
Disclosure of Invention
The invention mainly aims to provide a flue gas air mixing treatment system, which aims to solve the problems of overlong premixed air pipeline or overlarge volume of an air mixing chamber in the existing flue gas air mixing treatment, and provides the flue gas air mixing treatment system which has the advantages of uniform flue gas air mixing, good air mixing effect, compact structure, small occupied space and low cost.
In order to achieve the above object, the present invention provides a flue gas air mixing treatment system, which comprises a mixing pipe, an air outlet pipe hermetically connected to an air outlet port of the mixing pipe, a tail gas air pipe hermetically connected to an air inlet port of the mixing pipe, and a high temperature flue gas air pipe connected to a side wall of the mixing pipe and penetrating through an inner cavity of the mixing pipe, and further comprises an air mixing treatment device arranged in the mixing pipe, wherein the air mixing treatment device comprises:
the premixing air pipe is arranged in the hollow cavity of the air mixing chamber, and the high-temperature flue gas transmission pipe is connected to the side wall of the premixing air pipe in a sealing manner and penetrates through the inner cavity of the premixing air pipe; the method comprises the steps of,
the final air mixing pipe is connected to the air outlet port of the pre-mixing pipe, the air inlet port of the final air mixing pipe is larger than the air outlet port of the pre-mixing pipe, and the final air mixing pipe is a conical pipe gradually shrinking from the air inlet end to the air outlet end of the final air mixing pipe.
Preferably, the air inlet port of the final mixing duct is fixed with a first deflector group comprising a plurality of first deflectors, the air outlet port of the final mixing duct is fixed with a second deflector group comprising a plurality of second deflectors, and the plurality of first deflectors and the plurality of second deflectors are distributed along the radial direction of the final mixing duct.
Preferably, the projections of the first guide plates and the second guide plates on the cross section of the final mixing pipe are arranged in a staggered mode.
Preferably, the first deflector group and the second deflector group are obliquely arranged relative to the cross section of the final mixing air pipe, the included angle between the first deflector group and the cross section of the final mixing air pipe is alpha, alpha is more than or equal to 40 degrees and less than or equal to 50 degrees, the included angle between the second deflector group and the cross section of the final mixing air pipe is beta, and beta is more than or equal to 40 degrees and less than or equal to 50 degrees.
Preferably, the caliber of the air inlet port of the final mixing air pipe is smaller than the caliber of the mixing air pipe so as to form an air flow passage between the mixing air pipe and the final mixing air pipe.
Preferably, the plurality of first guide plates extend to be abutted against the inner wall surface of the air mixing pipe.
Preferably, a supporting tube penetrating out of the air outlet port of the final mixing air pipe is arranged on the central shaft of the final mixing air pipe upwards, a conical stop block is arranged at the end of the supporting tube penetrating out of the air outlet port of the final mixing air pipe, and the conical stop block is gradually and outwardly expanded along the flow direction of the flue gas.
Preferably, the air inlet port of the premixing air pipe is provided with a tail gas ingress pipe, and the tail gas ingress pipe is a conical pipe gradually expanding outwards from the air inlet end to the air outlet end.
Preferably, the air inlet port of the exhaust gas inlet pipe is fixed with a third deflector group comprising a plurality of third deflectors, and the third deflectors are distributed along the radial direction of the exhaust gas inlet pipe.
Preferably, the third guide plate group is obliquely arranged relative to the cross section of the tail gas ingress pipe, and the included angle between the third guide plate group and the tail gas ingress pipe is gamma, and gamma is more than or equal to 55 degrees and less than or equal to 65 degrees.
According to the technical scheme, the premixing air pipe and the final mixing air pipe are arranged in the mixing air pipe, the premixing air pipe is arranged in a hollow cavity in the air mixing chamber, and the high-temperature flue gas transmission pipe is connected to the side wall of the premixing air pipe in a sealing manner and penetrates through the inner cavity of the premixing air pipe; the final mixing air pipe is connected to the air outlet port of the premixing air pipe, the air inlet port of the final mixing air pipe is larger than the air outlet port of the premixing air pipe, the final mixing air pipe is a conical pipe gradually shrinking from the air inlet end to the air outlet end of the final mixing air pipe, so that tail gas entering the mixing air pipe from an outer flow channel is divided into two parts, part of tail gas entering the premixing air pipe from a tail gas pipe is primarily premixed with high-temperature flue gas sprayed into the premixing air pipe from a high-temperature flue gas pipe, and after the tail gas around the premixing air pipe is actively captured and collected by the final mixing air pipe, strong mass transfer and heat transfer mixing are carried out with the premixed high-temperature flue gas sprayed out from the premixing air pipe, so that the mass transfer and heat transfer effects between the high-temperature flue gas and tail gas fluid are enhanced, the heat exchange between the high-temperature flue gas and the tail gas is more complete, and the mixing is more uniform, and the flue gas after the mixing treatment of the mixing air pipe meets the requirements of tail flue gas denitration treatment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a flue gas mixing treatment system according to the present invention;
FIG. 2 is a right side view of the first and second baffle groups of FIG. 1;
FIG. 3 is a schematic left-hand view of the third baffle group of FIG. 1;
fig. 4 is a schematic view of the flue gas split by the deflector of fig. 1.
Reference numerals illustrate: 1-air mixing pipe, 2-air outlet pipe, 3-tail gas air pipe, 4-high temperature flue gas air pipe, 5-premixed air pipe, 6-final air mixing pipe, 7-first guide plate group, 7 a-first guide plate, 8-second guide plate group, 8 a-second guide plate, 9-conical stop block, 10-tail gas inlet pipe, 11-third guide plate group, 11 a-third guide plate, 12-support pipe and 13-refractory lining plate.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
The present invention provides a flue gas mixing treatment system, and fig. 1 to fig. 4 are schematic views of an embodiment of a flue gas mixing treatment system according to the present invention.
Referring to fig. 1 to 3, the flue gas air mixing treatment system includes an air mixing pipe 1, an air outlet pipe 2 hermetically connected to an air outlet port of the air mixing pipe 1, a tail gas air pipe 3 hermetically connected to an air inlet port of the air mixing pipe 1, and a high temperature flue gas air pipe 4 connected to a side wall of the air mixing pipe 1 and penetrating through an inner cavity thereof, and further includes an air mixing treatment device disposed in the air mixing pipe 1, the air mixing treatment device includes a pre-mixing pipe 5 and a final air mixing pipe 6, the pre-mixing pipe 5 is disposed in a hollow cavity in the air mixing pipe, and the high temperature flue gas air pipe 4 is hermetically connected to a side wall of the pre-mixing pipe 5 and penetrates through an inner cavity of the pre-mixing pipe 5; the final air mixing pipe 6 is connected to the air outlet port of the pre-mixing pipe 5, the air inlet port of the final air mixing pipe 6 is larger than the air outlet port of the pre-mixing pipe 5, and the final air mixing pipe 6 is a conical pipe gradually shrinking from the air inlet end to the air outlet end.
According to the technical scheme, a premixing air pipe 5 and a final mixing air pipe 6 are arranged in a mixing air pipe 1, the premixing air pipe 5 is arranged in a hollow cavity in the air mixing chamber, and a high-temperature flue gas transmission pipe 4 is connected to the side wall of the premixing air pipe 5 in a sealing manner and penetrates through the inner cavity of the premixing air pipe 5; the final mixing air pipe 6 is connected to the air outlet port of the premixing air pipe 5, the air inlet port of the final mixing air pipe 6 is larger than the air outlet port of the premixing air pipe 5, the final mixing air pipe 6 is a conical pipe gradually shrinking from the air inlet end to the air outlet end of the final mixing air pipe, so that the tail gas entering the mixing air pipe 1 from the outer flow channel is divided into two parts, part of the tail gas entering the premixing air pipe 5 from the tail gas conveying pipe 3 and the high-temperature flue gas sprayed into the premixing air pipe 5 from the high-temperature flue gas conveying pipe 4 are preliminarily premixed, the tail gas around the premixing air pipe 5 is actively captured and collected by the final mixing air pipe 6, and then is strongly mixed with the premixed high-temperature flue gas sprayed out of the premixing air pipe 5, so that the mass transfer and heat transfer effects between the high-temperature flue gas and the tail gas fluid are enhanced, and the heat exchange between the high-temperature flue gas and the tail gas is more complete, and the mixing is more uniform, so that the flue gas after the mixing treatment of the mixing air pipe 1 meets the requirements of tail flue gas denitration treatment. In the process of mixing the tail gas and the high-temperature flue gas in the premixing air pipe 5 in a swirling manner, the high-temperature flue gas fluid is always positioned at the central position of the pipeline, and the flue gas fluid in contact with the inner wall of the premixing air pipe 5 is the tail gas fluid, so that the problem that the pipe wall of the premixing air pipe 5 is damaged due to uneven heating is avoided, and the high-temperature flue gas conveying pipe 4 and the inner wall of the premixing air pipe 5 are provided with refractory lining plates 13, so that the service life of the pipeline is prolonged, and the cost is saved.
In this embodiment, referring to fig. 2, the air inlet port of the final mixing duct 6 is fixed with a first baffle group 7 including a plurality of first baffles 7a, the air outlet port of the final mixing duct 6 is fixed with a second baffle group 8 including a plurality of second baffles 8a, and the plurality of first baffles 7a and the plurality of second baffles 8a are arranged along the radial direction of the final mixing duct 6. The arrangement is such that the flue gas sprayed or sprayed into the final mixing duct 6 along the plurality of guide plates forms a swirling flow state, so that the high-temperature flue gas and the tail gas fluid are rapidly mixed and subjected to heat exchange, and the mass transfer and heat transfer effects of the high-temperature flue gas and the tail gas in the final mixing duct 6 are enhanced.
In this embodiment, referring to fig. 2, the projections of the first deflectors 7a and the second deflectors 8a on the cross section of the final mixing duct 6 are arranged in a staggered manner. More specifically, the dislocation angle of the two is half of the included angle of two adjacent guide plates of the guide plate group. The arrangement is such that the high-temperature flue gas and the tail gas fluid entering the final mixing air pipe 6 advance along the spiral route in the pipe, the flowing distance of the high-temperature flue gas and the tail gas in the final mixing air pipe 6 is increased, the rotational flow strength of the high-temperature flue gas and the tail gas is enhanced, and the mass transfer and heat transfer effects of the high-temperature flue gas and the tail gas in the final mixing air pipe 6 are enhanced.
In this embodiment, referring to fig. 1 and 4, the cross sections of the first baffle group 7 and the second baffle group 8 are both inclined, and the included angle between the cross sections of the first baffle group 7 and the final air mixing pipe 6 is α, 40- α -50 °, and the included angle between the cross sections of the second baffle group 8 and the final air mixing pipe 6 is β, 40- β -50 °. Further, in this embodiment, α is 45 °, and β is 45 °. The arrangement is that the flue gas fluid sprayed or ejected from the air guide plate group forms stronger rotational flow along the flue gas fluid of the final mixing air pipe 6, so that the spiral route of the flue gas fluid in the pipe in which the flue gas fluid flows is more regular, the rotational flow strength of the high-temperature flue gas and the tail gas fluid is enhanced, and the mass transfer and heat transfer effects of the high-temperature flue gas and the tail gas in the final mixing air pipe 6 are further enhanced.
In this embodiment, referring to fig. 1, the caliber of the air inlet of the final air mixing pipe 6 is smaller than the caliber of the air mixing pipe 1, so as to form an air flow channel between the air mixing pipe 1 and the final air mixing pipe 6. So set up, the final mix tuber pipe 6 with clearance between the tuber pipe 1 forms the gas runner, and partial tail gas fluid flows along the gas runner, so that with the flue gas fluid of the contact of tuber pipe 1 inner wall is the lower tail gas fluid of temperature, has avoided the tuber pipe 1 is because of being heated unevenly leads to the pipe wall impaired, thereby has prolonged the life of tuber pipe 1 has practiced thrift the cost.
In this embodiment, referring to fig. 2, the plurality of first deflectors 7a extend to abut against the inner wall surface of the air mixing pipe 1. By the arrangement, the rotational flow of the tail gas which does not enter the pre-mixing air pipe 5 and the final mixing air pipe 6 in the air mixing pipe 1 is enhanced, and meanwhile, the final mixing air pipe 6 and the pre-mixing air pipe 5 are firmly and stably installed in the air mixing pipe 1.
In this embodiment, referring to fig. 1, a support tube 12 penetrating out of the air outlet port of the final mixing duct is disposed on the central axis of the final mixing duct 6, a conical stop block 9 is disposed at the end of the support tube 12 penetrating out of the air outlet port of the final mixing duct 6, and the conical stop block 9 is gradually and outwardly expanded along the flow direction of the flue gas. The arrangement is that the high-speed fluid of the mixed flue gas sprayed out from the outlet of the final mixing pipe 6 passes through the blocking of the conical stop block 9, so that the flowing direction of the mixed gas is forcedly changed, the mixed gas is enabled to be spirally diffused outwards along the periphery of the conical stop block 9, and a local reflux zone is formed at the rear side of the conical stop block 9, so that the convection heat exchange effect of the mixed gas in the mixing pipe 1 is enhanced. The supporting tube 12 also has the function of supporting the first baffle group 7 and the second baffle group 8, and the supporting tube 12 may be a solid tube or a hollow tube, in this embodiment, the supporting tube 12 is a hollow tube, so as to reduce the resistance to the swirling flow of the mixed gas in the final mixing duct 6.
In this embodiment, referring to fig. 1, the air inlet port of the pre-mixing air pipe 5 is provided with an exhaust air inlet pipe 10, and the exhaust air inlet pipe 10 is a tapered pipe gradually expanding from the air inlet end to the air outlet end. So set up, the tail gas that gets into in the tuber pipe 5 of premixing by tail gas ingress pipe 10 is the whirl state in the cavity of tuber pipe 5 of premixing to drive the high temperature flue gas that spouts tuber pipe 5 of premixing by high temperature flue gas ingress pipe and rotate together, thereby make high temperature flue gas spread to whole cavity fast, and then make the preliminary premixing of tail gas and high temperature flue gas fast even.
In this embodiment, referring to fig. 3, the air inlet port of the exhaust gas introducing pipe 10 is fixed with a third baffle group 11 including a plurality of third baffles 11a, and the third baffles 11a are arranged along the radial direction of the exhaust gas introducing pipe 10. The arrangement is such that part of the tail gas enters the premixing air pipe 5 along the plurality of third guide plates 11a, so that the part of the tail gas fluid forms a swirling flow state in the premixing air pipe 5, and the high-temperature flue gas is driven to rotate together, so that the high-temperature flue gas is rapidly diffused into the whole cavity, the swirling flow strength of the high-temperature flue gas and the tail gas is enhanced, and the mass transfer and heat transfer effects of the high-temperature flue gas and the tail gas in the premixing air pipe 5 are enhanced.
In this embodiment, referring to fig. 1 and 4, the third baffle plate group 11 is disposed obliquely with respect to the cross section of the exhaust gas inlet pipe 10, and the included angle between the two is γ, and 55+.γ+.65deg. Further, in this embodiment, the γ is 60 °. The third baffle group 11 is arranged in such a way that the flue gas fluid sprayed into the premixing air pipe 5 forms stronger rotational flow, so that the spiral route of the flue gas fluid flowing in the pipe is more regular, the rotational flow strength of the high-temperature flue gas and the tail gas fluid is enhanced, and the mass transfer and heat transfer effects of the high-temperature flue gas and the tail gas in the premixing air pipe 5 are enhanced.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The utility model provides a flue gas mixes wind processing system, includes mix tuber pipe, sealing connection in mix tuber pipe air outlet port go out tuber pipe, sealing connection in mix tail gas-supply pipe of tuber pipe air inlet port, and connect in mix the lateral wall of tuber pipe and link up its inner chamber's high temperature flue gas-supply pipe, its characterized in that: still including locating mix the interior mixed wind processing apparatus of tuber pipe, mixed wind processing apparatus includes:
the premixing air pipe is arranged in the hollow cavity of the mixing air pipe, and the high-temperature flue gas transmission pipe is connected to the side wall of the premixing air pipe in a sealing way and penetrates through the inner cavity of the premixing air pipe; the method comprises the steps of,
the final air mixing pipe is connected to the air outlet port of the pre-mixing pipe, the air inlet port of the final air mixing pipe is larger than the air outlet port of the pre-mixing pipe, and the final air mixing pipe is a conical pipe gradually shrinking from the air inlet end to the air outlet end of the final air mixing pipe.
2. A flue gas mixing treatment system according to claim 1, wherein: the air inlet port of the final mixing air pipe is fixedly provided with a first guide plate group comprising a plurality of first guide plates, the air outlet port of the final mixing air pipe is fixedly provided with a second guide plate group comprising a plurality of second guide plates, and the plurality of first guide plates and the plurality of second guide plates are distributed along the radial direction of the final mixing air pipe.
3. A flue gas mixing treatment system according to claim 2, wherein: the projections of the first guide plates and the second guide plates on the cross section of the final mixing air pipe are arranged in a staggered mode.
4. A flue gas mixing treatment system according to claim 2, wherein: the first guide plate group and the second guide plate group are obliquely arranged on the cross section of the final mixing air pipe, the included angle between the first guide plate group and the cross section of the final mixing air pipe is alpha, alpha is more than or equal to 40 degrees and less than or equal to 50 degrees, and the included angle between the second guide plate group and the cross section of the final mixing air pipe is beta, and beta is more than or equal to 40 degrees and less than or equal to 50 degrees.
5. A flue gas mixing treatment system according to claim 2, wherein: the caliber of the air inlet port of the final air mixing pipe is smaller than the caliber of the air mixing pipe so as to form an air flow passage between the air mixing pipe and the final air mixing pipe.
6. A flue gas mixing treatment system according to claim 5, wherein: the first guide plates extend to be abutted against the inner wall surface of the air mixing pipe.
7. A flue gas mixing treatment system according to claim 1, wherein: the central axis of the final mixing air pipe upwards is provided with a supporting pipe penetrating out of an air outlet port of the final mixing air pipe, the pipe end of the supporting pipe penetrating out of the air outlet port of the final mixing air pipe is provided with a conical stop block, and the conical stop block is gradually and outwardly expanded along the flow direction of flue gas.
8. A flue gas mixing treatment system according to claim 1, wherein: the air inlet port of the premixing air pipe is provided with an exhaust air ingress pipe, and the exhaust air ingress pipe is a conical pipe gradually expanding outwards from the air inlet end to the air outlet end.
9. A flue gas mixing treatment system according to claim 8, wherein: and the air inlet port of the tail gas ingress pipe is fixedly provided with a third guide plate group comprising a plurality of third guide plates, and the third guide plates are distributed along the radial direction of the tail gas ingress pipe.
10. A flue gas mixing treatment system according to claim 9, wherein: the third guide plate group is obliquely arranged relative to the cross section of the tail gas inlet pipe, and the included angle between the third guide plate group and the tail gas inlet pipe is gamma which is more than or equal to 55 degrees and less than or equal to 65 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135609.4A CN108916903B (en) | 2018-09-28 | 2018-09-28 | Flue gas mixes wind processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135609.4A CN108916903B (en) | 2018-09-28 | 2018-09-28 | Flue gas mixes wind processing system |
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| CN108916903A CN108916903A (en) | 2018-11-30 |
| CN108916903B true CN108916903B (en) | 2024-01-09 |
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| CN113357661A (en) * | 2021-07-07 | 2021-09-07 | 西安热工研究院有限公司 | Flue gas bypass system for pi-shaped boiler participating in peak shaving |
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| CN105115305A (en) * | 2015-08-24 | 2015-12-02 | 济钢集团国际工程技术有限公司 | Efficient air mixing device for sintering flue gas circulation |
| CN205592978U (en) * | 2016-04-29 | 2016-09-21 | 武汉天空蓝环保科技有限公司 | Reunion system and flue thereof |
| CN207412962U (en) * | 2017-09-19 | 2018-05-29 | 西南石油大学 | A kind of supersonic speed eddy flow for flue gas captures processing system |
| CN208886816U (en) * | 2018-09-28 | 2019-05-21 | 湖北金炉节能股份有限公司 | A kind of mixed wind processing system of flue gas |
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|---|---|
| CN108916903A (en) | 2018-11-30 |
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Denomination of invention: A flue gas mixed air treatment system Granted publication date: 20240109 Pledgee: China Postal Savings Bank Co.,Ltd. Huangshi Branch Pledgor: HUBEI JINLU ENERGY SAVING CO.,LTD. Registration number: Y2024980032134 |