CN210674794U - Flue gas denitration equipment - Google Patents
Flue gas denitration equipment Download PDFInfo
- Publication number
- CN210674794U CN210674794U CN201921499937.2U CN201921499937U CN210674794U CN 210674794 U CN210674794 U CN 210674794U CN 201921499937 U CN201921499937 U CN 201921499937U CN 210674794 U CN210674794 U CN 210674794U
- Authority
- CN
- China
- Prior art keywords
- shell
- rigid coupling
- flue gas
- filter
- inner chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a flue gas denitration device, which comprises a housin, the symmetrical rigid coupling in casing bottom left and right sides has the supporting legs, the rigid coupling has the filter between the casing inner chamber lateral wall, casing left side lateral wall intercommunication has the intake pipe, casing right side lateral wall rigid coupling has cleaning device, casing inner chamber left and right sides wall symmetry rigid coupling has the installation piece, and the installation piece is located the filter top, and the installation piece top can be dismantled the rigid coupling and have the catalyst to inhale nitrogen net, and the even rigid coupling in installation piece inner chamber bottom has a plurality of groups of fixing device blast pipes to be provided with the draught fan, the utility model discloses a through setting up filter and cleaning device, make can carry out filtration treatment through the filter in advance before tail gas carries out denitration treatment, fully eliminate the dust granule in the tail gas to avoid dust granule to pile up on the catalyst inhales nitrogen net; and the cleaning device can clean the filter plate regularly, thereby avoiding the problem of filter blockage of the filter plate.
Description
Technical Field
The utility model relates to a flue gas denitration device technical field specifically is a flue gas denitration equipment.
Background
In the so-called denitration plant, flue gas, which is one of the main emissions of a thermal power plant, is generated by burning combustible materials in a burner, and since flue gas usually contains a large amount of nitrogen oxides NOx such as NO, which, if directly emitted into the atmosphere, would cause highly corrosive acid rain, the flue gas must be subjected to denitration treatment before being emitted.
When the existing denitration equipment is used for denitration treatment, dust particles in flue gas cannot be filtered, so that the dust particles are easy to adhere to a denitration plate during denitration, and further the denitration efficiency is influenced; and the denitration board among the current denitration equipment is inconvenient to be changed, leads to the problem that can reduce the efficiency of denitration after the denitration board uses a period. Based on this, the utility model designs a flue gas denitration equipment to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas denitration device to solve above-mentioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a flue gas denitration device comprises a shell, wherein supporting legs are symmetrically and fixedly connected to the left side and the right side of the bottom of the shell, a filter plate is fixedly connected between the side walls of an inner cavity of the shell, the left side wall of the shell is communicated with an air inlet pipe, the air inlet pipe is positioned below the filter plate, a cleaning device is fixedly connected to the right side wall of the shell, and the left end of the cleaning device penetrates through the right side wall of the shell and abuts against the bottom of the filter plate;
the left side wall and the right side wall of the inner cavity of the shell are symmetrically and fixedly connected with mounting blocks, the mounting blocks are positioned above the filter plate, the tops of the mounting blocks are detachably and fixedly connected with catalyst nitrogen adsorption nets, the bottom of the inner cavity of each mounting block is uniformly and fixedly connected with a plurality of groups of fixing devices, and the catalyst nitrogen adsorption nets are detachably connected with the mounting blocks through the fixing devices;
the top of the shell is communicated with an exhaust hood, the top of the exhaust hood is spliced with an exhaust pipe, and a draught fan is arranged on the exhaust pipe.
Preferably, the cleaning device comprises a protective shell, a reciprocating telescopic motor is fixedly connected to the right side wall of the inner cavity of the protective shell, a telescopic end of the reciprocating telescopic motor penetrates through the left side wall of the shell and is fixedly connected with a scraper, a brush is fixedly connected to the top of the scraper, and the top of the brush is abutted to the bottom of the filter plate.
Preferably, the bottom of the inner cavity of the shell is provided with a dust collecting box which can be pulled out towards the front surface of the shell and is provided with an opening, and the bottom of the dust collecting box is provided with a roller and is in sliding connection with the bottom of the inner cavity of the shell through the roller.
Preferably, fixing device includes solid fixed cylinder, slider, spring, erection column and round pin axle, and solid fixed cylinder rigid coupling is in installation piece inner chamber bottom, sliding connection has the slider between the solid fixed cylinder inner chamber lateral wall, slider bottom rigid coupling has the spring, and bottom of the spring and the bottom butt of the installation piece inner chamber, slider top rigid coupling has the erection column, and the erection column top runs through the installation piece inner chamber, the mounting hole has been seted up to the erection column inner chamber, and round pin axle and mounting hole activity peg graft.
Preferably, the catalyst nitrogen absorption net is symmetrically provided with through holes matched with the mounting columns at the left side and the right side.
Preferably, the front surface of the shell is provided with a hinged door for dismounting the catalyst nitrogen absorption net.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up filter and cleaning device, make can carry out filtration treatment through the filter in advance before tail gas carries out denitration treatment, fully eliminate the dust granule in the tail gas, thereby avoid dust granule to pile up on catalyst nitrogen absorption net when carrying out denitration treatment, influence denitration efficiency; the cleaning device can clean the filter plate regularly, so that the problem of filter blockage of the filter plate is avoided;
2. inhale the nitrogen net through setting up installation piece, fixing device and catalyst for can inhale the nitrogen net through the catalyst and carry out efficient denitration treatment to tail gas, and the catalyst inhales and can dismantle through fixing device between nitrogen net and the installation piece and be connected, thereby make the catalyst inhale the nitrogen net and be convenient for the dismouting, and then can make things convenient for the catalyst to inhale the change of nitrogen net, thereby improve equipment's denitration efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the interior of the housing of the present invention;
FIG. 3 is a schematic structural diagram of a catalyst nitrogen absorption net according to the present invention;
fig. 4 is a schematic structural view of the middle fixing device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-shell, 2-supporting legs, 3-filter plates, 4-air inlet pipes, 5-cleaning devices, 501-protective shell, 502-reciprocating telescopic motor, 503-scraper plates, 504-brushes, 6-mounting blocks, 7-catalyst nitrogen adsorption net, 701-through holes, 8-fixing devices, 801-fixing barrel, 802-slide blocks, 803-springs, 804-mounting columns, 805-pin shafts, 9-exhaust hood, 10-exhaust pipe, 11-induced draft fan, 12-dust collection box and 13-hinged door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a flue gas denitration device comprises a shell 1, wherein supporting legs 2 are symmetrically and fixedly connected to the left side and the right side of the bottom of the shell 1, a filter plate 3 is fixedly connected between the side walls of an inner cavity of the shell 1, the left side wall of the shell 1 is communicated with an air inlet pipe 4, the air inlet pipe 4 is positioned below the filter plate 3, a cleaning device 5 is fixedly connected to the right side wall of the shell 1, and the left end of the cleaning device 5 penetrates through the right side wall of the shell 1 and abuts against the bottom of the filter;
the left side wall and the right side wall of the inner cavity of the shell 1 are symmetrically and fixedly connected with mounting blocks 6, the mounting blocks 6 are positioned above the filter plate 3, the top of each mounting block 6 is detachably and fixedly connected with a catalyst nitrogen absorption net 7, the bottom of the inner cavity of each mounting block 6 is uniformly and fixedly connected with a plurality of groups of fixing devices 8, and the catalyst nitrogen absorption net 7 is detachably connected with the mounting blocks 6 through the fixing devices 8;
the top of the shell 1 is communicated with an exhaust hood 9, the top of the exhaust hood 9 is spliced with an exhaust pipe 10, and the exhaust pipe 10 is provided with an induced draft fan 11.
Specifically, cleaning device 5 device includes protective housing 501, protective housing 501 inner chamber right side wall rigid coupling has reciprocal flexible motor 502, the flexible end of reciprocal flexible motor 502 runs through 1 left side wall of casing and rigid coupling has scraper blade 503, scraper blade 503 top rigid coupling has brush 504, and brush 504 top and 3 bottom looks butt of filter, can promote the brush in filter bottom reciprocating motion through reciprocal flexible motor, and then carry out reciprocal cleaning operation to the filter, avoid the dust to pile up in the filter bottom, influence filtration efficiency.
Specifically, the bottom of the inner cavity of the shell 1 is provided with a dust collecting box 12 which can be pulled out towards the front surface of the shell 1 and is provided with an opening, the bottom of the dust collecting box 12 is provided with a roller, the roller is connected with the bottom of the inner cavity of the shell 1 in a sliding manner, the dust collecting box can collect the particle dust filtered by the filter plate, and the dust collecting box can be pulled out for cleaning.
Specifically, fixing device 8 includes solid fixed cylinder 801, slider 802, spring 803, erection column 804 and round pin axle 805, and solid fixed cylinder 801 rigid coupling is in 6 inner chambers bottom of installation piece, sliding connection has slider 802 between the solid fixed cylinder 801 inner chamber lateral wall, slider 802 bottom rigid coupling has spring 803, and spring 803 bottom and 6 inner chambers bottom looks butt of installation piece, slider 802 top rigid coupling has erection column 804, and erection column 804 top runs through the 6 inner chambers of installation piece, the mounting hole has been seted up to erection column 804 inner chamber, and round pin axle 805 is pegged graft with the mounting hole activity, through the installation and the dismantlement of the nitrogen net of catalyst that carry on that fixing device can be swift, thereby make the nitrogen net of catalyst inhale convenient the change.
Specifically, the catalyst nitrogen absorption net 7 is symmetrically provided with through holes 701 which are matched with the mounting columns 804 at the left side and the right side, so that the mounting columns can penetrate through the inner cavity of the catalyst nitrogen absorption net through the through holes and then are matched with the pin shafts, and the catalyst nitrogen absorption net is fixed.
Specifically, the front surface of the shell 1 is provided with a hinged door 13 for dismounting the catalyst nitrogen absorption net 7, and the catalyst nitrogen absorption net can be more conveniently dismounted through the hinged door.
One specific application example of this embodiment is:
this device is a flue gas denitration equipment, when the device uses, connects the intake pipe 4 of device with the flue gas delivery pipe.
The smoke is discharged into the shell 1 from the air inlet pipe, dust particles in the smoke are filtered through the filter plate 3, the reciprocating telescopic motor 502 is started, the reciprocating telescopic motor 502 pushes the scraper 503 and the brush 504 to reciprocate left and right, and then the bottom of the filter plate 3 is cleaned in a reciprocating mode, so that the situation that the dust particles block filter holes to influence the filtering efficiency is avoided; the filtered dust particles can directly fall into the dust collecting box 12 for collection and can be cleaned by pulling out the dust collecting box 12 at regular intervals, so that the dust particles are prevented from being accumulated in the shell 1;
the filtered flue gas flows into the catalyst nitrogen absorption net 7 and fully contacts with the catalyst nitrogen absorption net 7 to react, so that the flue gas is subjected to denitration treatment; the flue gas after denitration is discharged through an exhaust hood 9 and an exhaust pipe 10, and in the treatment process, an induced draft fan 11 can be started to improve the flow velocity of the flue gas in the shell 1, so that the denitration efficiency of the flue gas is improved.
After the catalyst nitrogen absorption net 7 is used for a period of time, the hinged door 13 is opened, the mounting column 804 is pulled up, the pin shaft 805 is taken down, and then the catalyst nitrogen absorption net 7 is taken down for replacement; when the catalyst nitrogen absorption net 7 is installed, the catalyst nitrogen absorption net 7 is fixed on the installation block 6 through the matching of the through hole and the installation column 804, then the installation column 804 is pulled up, the installation hole in the installation column 804 is exposed out of the top of the catalyst nitrogen absorption net 7, the plug pin 805 is inserted into the installation hole, the fixation of the catalyst nitrogen absorption net 7 is completed, and after the plug pin 805 is inserted, the plug pin 805 can cling to the surface of the catalyst nitrogen absorption net 7 through the restoring force action of the spring 803, so that the installation of the catalyst nitrogen absorption net 7 is more stable.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. The utility model provides a flue gas denitration device which characterized in that: the cleaning device comprises a shell (1), wherein supporting legs (2) are symmetrically and fixedly connected to the left side and the right side of the bottom of the shell (1), a filter plate (3) is fixedly connected between the side walls of an inner cavity of the shell (1), the left side wall of the shell (1) is communicated with an air inlet pipe (4), the air inlet pipe (4) is positioned below the filter plate (3), a cleaning device (5) is fixedly connected to the right side wall of the shell (1), and the left end of the cleaning device (5) penetrates through the right side wall of the shell (1) and abuts against the bottom of the filter plate (3);
the left side wall and the right side wall of the inner cavity of the shell (1) are symmetrically and fixedly connected with mounting blocks (6), the mounting blocks (6) are positioned above the filter plate (3), the top of each mounting block (6) is detachably and fixedly connected with a catalyst nitrogen absorption net (7), a plurality of groups of fixing devices (8) are uniformly and fixedly connected to the bottom of the inner cavity of each mounting block (6), and the catalyst nitrogen absorption nets (7) are detachably connected with the mounting blocks (6) through the fixing devices (8);
the top of the shell (1) is communicated with an exhaust hood (9), an exhaust pipe (10) is inserted into the top of the exhaust hood (9), and an induced draft fan (11) is arranged on the exhaust pipe (10).
2. The flue gas denitration device of claim 1, characterized in that: cleaning device (5) device includes protective housing (501), protective housing (501) inner chamber right side wall rigid coupling has reciprocal flexible motor (502), the flexible end of reciprocal flexible motor (502) runs through casing (1) left side wall and rigid coupling has scraper blade (503), scraper blade (503) top rigid coupling has brush (504), and brush (504) top and filter (3) bottom looks butt.
3. The flue gas denitration device of claim 1, characterized in that: the dust collecting box (12) which can be pulled out towards the front surface of the shell (1) and is provided with an opening is arranged at the bottom of the inner cavity of the shell (1), and the bottom of the dust collecting box (12) is provided with a roller and is in sliding connection with the bottom of the inner cavity of the shell (1) through the roller.
4. The flue gas denitration device of claim 1, characterized in that: fixing device (8) are including solid fixed cylinder (801), slider (802), spring (803), erection column (804) and round pin axle (805), and gu fixed cylinder (801) rigid coupling is in installation piece (6) inner chamber bottom, sliding connection has slider (802) between solid fixed cylinder (801) inner chamber lateral wall, slider (802) bottom rigid coupling has spring (803), and spring (803) bottom and installation piece (6) inner chamber bottom looks butt, slider (802) top rigid coupling has erection column (804), and installation piece (6) inner chamber is run through at erection column (804) top, the mounting hole has been seted up to erection column (804) inner chamber, and round pin axle (805) are pegged graft with the mounting hole activity.
5. The flue gas denitration device of claim 1, characterized in that: the left side and the right side of the catalyst nitrogen absorption net (7) are symmetrically provided with through holes (701) matched with the mounting columns (804).
6. The flue gas denitration device of claim 1, characterized in that: the front surface of the shell (1) is provided with a hinged door (13) for dismounting the catalyst nitrogen absorption net (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499937.2U CN210674794U (en) | 2019-09-10 | 2019-09-10 | Flue gas denitration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499937.2U CN210674794U (en) | 2019-09-10 | 2019-09-10 | Flue gas denitration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210674794U true CN210674794U (en) | 2020-06-05 |
Family
ID=70899004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499937.2U Expired - Fee Related CN210674794U (en) | 2019-09-10 | 2019-09-10 | Flue gas denitration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210674794U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888907A (en) * | 2020-07-23 | 2020-11-06 | 安徽中煊锅炉有限公司 | Boiler flue gas denitration device and denitration method thereof |
| CN111925835A (en) * | 2020-07-06 | 2020-11-13 | 福建省气柜设备安装有限公司 | Separated gas desulfurization device |
| CN112090262A (en) * | 2020-09-11 | 2020-12-18 | 谢能丹 | Volatilization kiln desulfurization equipment for treating waste steel slag and use method thereof |
| CN112973309A (en) * | 2021-02-23 | 2021-06-18 | 张善龙 | Flue gas filtering device capable of avoiding dust accumulation and automatically cleaning |
| CN115463491A (en) * | 2022-08-16 | 2022-12-13 | 郴州市竹源竹业有限公司 | Smoke filtering, treating and discharging device for bamboo charcoal processing |
-
2019
- 2019-09-10 CN CN201921499937.2U patent/CN210674794U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925835A (en) * | 2020-07-06 | 2020-11-13 | 福建省气柜设备安装有限公司 | Separated gas desulfurization device |
| CN111888907A (en) * | 2020-07-23 | 2020-11-06 | 安徽中煊锅炉有限公司 | Boiler flue gas denitration device and denitration method thereof |
| CN112090262A (en) * | 2020-09-11 | 2020-12-18 | 谢能丹 | Volatilization kiln desulfurization equipment for treating waste steel slag and use method thereof |
| CN112973309A (en) * | 2021-02-23 | 2021-06-18 | 张善龙 | Flue gas filtering device capable of avoiding dust accumulation and automatically cleaning |
| CN115463491A (en) * | 2022-08-16 | 2022-12-13 | 郴州市竹源竹业有限公司 | Smoke filtering, treating and discharging device for bamboo charcoal processing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |