CN117695843B - SCR reactor convenient to adjust - Google Patents
SCR reactor convenient to adjust Download PDFInfo
- Publication number
- CN117695843B CN117695843B CN202410139919.2A CN202410139919A CN117695843B CN 117695843 B CN117695843 B CN 117695843B CN 202410139919 A CN202410139919 A CN 202410139919A CN 117695843 B CN117695843 B CN 117695843B
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- catalyst
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- 239000003054 catalyst Substances 0.000 claims abstract description 92
- 239000000779 smoke Substances 0.000 claims abstract description 59
- 238000004140 cleaning Methods 0.000 claims description 26
- 230000007306 turnover Effects 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 239000003426 co-catalyst Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 22
- 239000003546 flue gas Substances 0.000 description 22
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses an SCR (selective catalytic reduction) reactor convenient to adjust, and relates to the field of SCR reactors. According to the invention, the telescopic shaft is driven by the starting cylinder to move, the regulating plate is driven by the telescopic shaft to move, so that the amount of smoke entering the transfer box can be regulated, the smoke feeding box horizontally moves, the smoke is uniformly fed into the filter plate, the smoke is further uniformly fed into the catalyst plate, when the catalyst plate is used for a period of time, the baffle plate is rotated by rotating the pulling rod, the catalyst plate is automatically turned over, and the top side and the bottom side of the catalyst plate are fully contacted with the smoke, so that the catalyst is further fully utilized.
Description
Technical Field
The invention relates to the technical field of SCR reactors, in particular to an SCR reactor convenient to adjust.
Background
The SCR reactor is an environmental protection device for reducing emission of nitrogen oxides generated in a combustion process, and is generally applied to large-sized combustion facilities such as a thermal power plant, an industrial boiler, and an industrial furnace, in order to reduce the influence on the environment and meet the environmental protection requirements of the country. The working principle of the denitration device is that the nitrogen oxide is converted into harmless substances such as nitrogen and water vapor by reacting the flue gas containing the nitrogen oxide with a catalyst; the type and arrangement of the catalyst will affect the efficiency and selectivity of the reaction and thus the denitration effect. Common catalysts include vanadium-titanium catalysts, tungsten catalysts, zinc oxide catalysts, and the like, and denitration equipment is generally connected to a boiler.
Chinese patent publication No. CN214051160U discloses a CO-treatment device for CO and NOx comprising: the utility model relates to a boiler, a boiler tail-to-SCR reactor inlet flue, an SCR reactor, a CO oxidation catalyst, a nitrogen air mixer and an SCR management and control system, wherein the input end of the boiler tail-to-SCR reactor inlet flue is connected with the tail of the boiler, the output end of the boiler tail-to-SCR reactor inlet flue is connected with the inlet of the SCR reactor, the nitrogen air mixer is connected with the SCR reactor front flue, so that an air source required by CO oxidation to CO 2 enters the SCR reactor through an ammonia air mixer, the CO oxidation catalyst is arranged behind the tail outlet of the boiler, and the SCR management and control system is respectively connected with the CO oxidation catalyst inlet section and the CO oxidation catalyst outlet section to monitor the CO quantity of the CO oxidation catalyst inlet section and the CO oxidation catalyst outlet section.
However, in the actual operation process, the entering amount of the flue gas is not uniform, so that CO reaction is not timely due to overlarge air inflow, and then the concentration of the flue gas CO discharged from the reactor is too high, meanwhile, the catalyst plates are flatly arranged, and the flue gas always has no fixed path in the moving process, so that the catalyst reaction at each position of the catalyst plates is uneven, the flue gas treatment effect is poor, and meanwhile, the catalyst at the lower layer cannot be fully utilized due to more contact between the catalyst at the upper layer and the flue gas, and further the catalyst waste is caused.
Disclosure of Invention
The present invention aims to provide an SCR reactor which is convenient to adjust, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
An SCR reactor convenient to adjust comprises an SCR reactor body, wherein a flue is arranged on one side of the SCR reactor body, a CO catalyst box is arranged on the flue, a plurality of frames are arranged in the SCR reactor body, a catalyst plate is movably arranged in each frame, a filter plate is arranged on the top side of each frame, and a guide plate is arranged in the SCR reactor body;
The air inlet adjusting and filtering device comprises a transfer box, the transfer box is arranged between the SCR reactor body and the flue, a filter screen is arranged in the transfer box, a cleaning frame is arranged on one side of the filter screen, a rotating rod is rotatably arranged in the transfer box, a plurality of blowing blades are annularly and equidistantly arranged on the rotating rod, the cleaning frame is movably arranged on the rotating rod, an adjusting plate is movably arranged on one side of the transfer box, and the adjusting plate is moved and used for adjusting the amount of smoke entering the transfer box;
The device comprises an SCR reactor body, a smoke filter plate, a smoke filter and a uniform smoke delivery device, wherein the smoke filter plate is arranged at the top of the SCR reactor body; the uniform smoke delivery device comprises a connecting sleeve, the connecting sleeve is sleeved on the bottom side of the guide plate, an adapter sleeve is arranged on the bottom side of the connecting sleeve, a smoke delivery box is arranged on the bottom side of the adapter sleeve, and smoke is delivered into one filter plate positioned at the uppermost part by moving the smoke delivery box;
the turnover device is arranged in the frame and is positioned below the catalyst plate; the turnover device comprises two sliding blocks, the catalyst plates are rotatably arranged on the two sliding blocks, sliding grooves are formed in the inner walls of two sides of the frame, and the two sliding blocks are respectively and slidably arranged in the two sliding grooves.
Further, in a preferred embodiment of the present invention, the air intake adjusting and filtering device further includes an air cylinder, the air cylinder is mounted on the top side of the transfer box, a telescopic shaft is mounted on an output shaft of the air cylinder, and the telescopic shaft is mounted on the bottom side of the adjusting plate;
the ash receiving box is inserted on the bottom side of the transfer box and is used for receiving the ash filtered by the transfer box.
Further, in the preferred embodiment of the present invention, two sliding holes are formed on the cleaning rack, sliding rods are slidably mounted in the two sliding holes, and the top ends of the sliding rods are mounted on the inner wall of the top side of the transfer box;
The end of the rotating rod is provided with a driving rod, the driving rod is rotatably provided with a driving shaft, the cleaning frame is provided with a driving groove, the driving shaft is movably arranged in the driving groove, the transfer box is provided with a rotating hole, the rotating rod is rotatably arranged in the rotating hole, one side of the cleaning frame is provided with dense bristles, and the cleaning frame moves to clean the filter screen through the dense bristles.
Further, in a preferred embodiment of the present invention, the uniform smoke delivery device further includes a mounting seat, the mounting seat is mounted on the smoke delivery box, a limiting hole and a driving hole are formed in the mounting seat, a limiting rod is slidably mounted in the limiting hole, and two ends of the limiting rod are respectively mounted on two side inner walls of the SCR reactor body;
and a driving rod is rotatably arranged in the driving hole, and the driving rod is rotatably arranged on the SCR reactor body.
Further, in the preferred embodiment of the present invention, gears are mounted on the ends of the driving rod and the rotating rod, and a chain is meshed with both the gears;
The surface of the driving rod is annularly and obliquely provided with a driving groove, the inner wall of the driving hole is provided with an arc-shaped driving block, and the arc-shaped driving block is positioned in the driving groove.
Further, in a preferred embodiment of the present invention, the turnover device further includes a connection shaft, and the catalyst plate is sleeved on the connection shaft;
the two sliding blocks are provided with rotary holes, and the connecting shaft is rotatably arranged in the two rotary holes.
Further, in a preferred embodiment of the present invention, a lateral movement hole is formed in one sliding groove, one end of the connecting shaft penetrates through the lateral movement hole and is provided with a rotating block, one side of the frame is provided with a pushing block, the sliding block slides, and the rotating block is driven to move by the connecting shaft, so that the rotating block is extruded and rotated by the pushing block, and the catalyst plate is driven to overturn.
Further, in a preferred embodiment of the present invention, a plurality of the frames are rotatably provided with a pulling rod, and the bottom ends of the pulling rods extend out of the SCR reactor body;
The wrenching rod is provided with a plurality of baffles, and the baffles are used for blocking the catalyst plates.
Further, in the preferred embodiment of the present invention, an expanding spring is installed on the inner wall of the sliding groove, and the other end of the expanding spring is installed on the sliding block.
Further, in a preferred embodiment of the present invention, an access door is movably installed at one side of the SCR reactor body, and the access door is opened for maintenance or replacement of the catalyst plate.
The SCR reactor convenient to adjust has the beneficial effects that:
According to the invention, through the arrangement of the air inlet adjusting and filtering device, the filter screen is used for preliminarily filtering the entering smoke, so that the problem that a great amount of impurities enter the SCR reactor body, and the filter plate cannot bear and is blocked is avoided; in addition, the starting cylinder drives the telescopic shaft to move, the telescopic shaft drives the adjusting plate to move, so that the flue gas quantity entering the transfer box can be adjusted, and meanwhile, when flue gas enters the transfer box, the plurality of blowing blades are blown to rotate, and then the rotating rod is driven to rotate, and the rotating rod rotates to drive the cleaning frame to clean the filter screen, so that smoothness of the filter screen is guaranteed.
Further, in the invention, through the arrangement of the uniform smoke delivery device, when the smoke enters the guide plate in the SCR reactor body, the smoke enters the smoke delivery box through the connecting sleeve and the adapter sleeve, the smoke delivery box horizontally moves to uniformly deliver the smoke into the filter plate, and the smoke is uniformly delivered into the catalyst plate, so that the catalyst plate is uniformly utilized, and the catalyst plate is fully utilized.
Furthermore, in the invention, through the arrangement of the turnover device, when the catalyst plate is used for a period of time, the pulling rod is rotated, so that the baffle plate is unlocked and locked when the baffle plate is separated from the catalyst plate, and automatically rotates under the action of gravity, and then the catalyst plate drives the rotating block to rotate through the connecting shaft, meanwhile, under the resilience force of the two supporting springs, the sliding block is driven to slide, the sliding block drives the rotating block to move through the connecting shaft, so that the rotating block is pushed by the pushing block, then the rotating block rotates, and the rotating block drives the catalyst plate to rotate through the connecting shaft, and then the catalyst plate is driven to move into the frame, so that the turnover of the catalyst plate is completed, and the top side and the bottom side of the catalyst plate are fully contacted with smoke, so that the catalyst is further fully utilized.
Drawings
FIG. 1 is a schematic perspective view of an SCR reactor with easy adjustment according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an internal structure of an SCR reactor with ease of adjustment according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of structural connection between a transfer box and an adjusting plate frame of an SCR reactor, which is convenient to adjust according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of an internal structure of a transfer box of an SCR reactor according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of a partial structure of a connection between a transfer box and an adjusting plate frame of an SCR reactor with easy adjustment according to an embodiment of the present invention;
FIG. 6 is a schematic illustration of a connection between a frame of an SCR reactor and a smoke delivery box for easy adjustment according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a partial cross-sectional structure of a connection between a mounting base and a driving rod of an SCR reactor for easy adjustment according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a broken structure of a driving rod of an SCR reactor with easy adjustment according to an embodiment of the present invention;
FIG. 9 is a schematic bottom view of a frame of an SCR reactor and a catalyst plate for easy adjustment according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of a frame of an SCR reactor and a catalyst plate for ease of adjustment, according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a portion a in fig. 10 of an SCR reactor with easy adjustment according to an embodiment of the present invention.
In the figure: 1-an SCR reactor body; 2-flue; a 3-CO catalyst tank; 4-a frame; 5-catalyst plate; 6-a deflector; 7-a filter plate; 8-an intake air adjusting and filtering device; 801-a transfer box; 802-filtering net; 803-ash receiving box; 804-adjusting plate; 805-cylinder; 806-telescoping shaft; 807-cleaning a rack; 808-sliding holes; 809—a sliding bar; 810-rotating a rod; 811-blowing the leaves; 812-drive rod; 813-a drive shaft; 814-a drive slot; 815-a rotation hole; 9, a uniform smoke delivery device; 901-connecting sleeve; 902-an adapter sleeve; 903-smoke box; 904-mounting base; 905-a drive hole; 906-drive rod; 907-limiting the hole; 908-restraining bar; 909-a gear; 910-a chain; 911-driving groove; 912-arc-shaped driving block; 10-turning device; 1001-a slipping slot; 1002—a slider; 1003-expanding spring; 1004-a connecting shaft; 1005-rotating holes; 1006-rotating block; 1007-pushing blocks; 1008—a trigger lever; 1009-baffle; 1010-traversing the hole; 11-access door.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-11 of the accompanying drawings in combination with the description, the embodiment of the invention provides an SCR reactor convenient to adjust, which comprises an SCR reactor body 1, a flue 2 is arranged at one side of the SCR reactor body 1, a CO catalyst box 3 is arranged on the flue 2, a plurality of frames 4 are arranged in the SCR reactor body 1, a catalyst plate 5 is movably arranged in the frames 4, a filter plate 7 is arranged at the top side of the frames 4, and a deflector 6 is arranged in the SCR reactor body 1; and still include and admit air and adjust filter equipment 8, admit air and adjust filter equipment 8 and include transfer case 801, transfer case 801 installs between SCR reactor body 1 and flue 2, installs filter screen 802 in the transfer case 801, one side of filter screen 802 is equipped with clearance frame 807, transfer case 801 internal rotation installs dwang 810, install a plurality of blowing blades 811 on the dwang 810 annular equidistance, clearance frame 807 movable mounting is on dwang 810, one side movable mounting of transfer case 801 has regulating plate 804, removes regulating plate 804 for adjust the cigarette volume that enters into in the transfer case 801.
Further, the embodiment of the invention provides an SCR reactor convenient to adjust, which further comprises a uniform smoke-feeding device 9, wherein the uniform smoke-feeding device 9 is installed in the SCR reactor body 1, and the uniform smoke-feeding device 9 is used for uniformly feeding smoke into the filter plate 7 positioned at the uppermost part; the uniform smoke delivery device 9 comprises a connecting sleeve 901, the connecting sleeve 901 is sleeved on the bottom side of the guide plate 6, an adapter sleeve 902 is arranged on the bottom side of the connecting sleeve 901, a smoke delivery box 903 is arranged on the bottom side of the adapter sleeve 902, and the smoke delivery box 903 moves to deliver smoke into one filter plate 7 positioned at the uppermost part;
In addition, the SCR reactor convenient to adjust provided by the embodiment of the invention further comprises a turnover device 10, wherein the turnover device 10 is arranged in the frame 4 and is positioned below the catalyst plate 5; the turnover device 10 comprises two sliding blocks 1002, the catalyst plate 5 is rotatably arranged on the two sliding blocks 1002, sliding grooves 1001 are formed in the inner walls of two sides of the frame 4, and the two sliding blocks 1002 are respectively and slidably arranged in the two sliding grooves 1001. It should be noted that, in the embodiment of the present invention, by setting the air intake adjusting and filtering device 8, specifically, by setting the filter screen 802, the entered flue gas is primarily filtered, so as to avoid a large amount of impurities entering the SCR reactor body 1, so that the filter plate 7 cannot bear and is blocked; and, start cylinder 805 drives telescopic shaft 806 to remove, and telescopic shaft 806 drives regulating plate 804 and removes for make the flue gas volume that transfer case 801 got into can be adjusted, when the flue gas enters into transfer case 801 simultaneously, blow a plurality of blowing leaves 811 and rotate, and then drive dwang 810 and rotate, dwang 810 rotates and drives clearance frame 807 and clear up filter screen 802, and then guarantees the unblocked of filter screen 802.
In the embodiment of the present invention, by arranging the uniform smoke-feeding device 9, when the smoke enters the guide plate 6 in the SCR reactor body 1, the smoke enters the smoke-feeding box 903 through the connecting sleeve 901 and the adapter sleeve 902, the smoke-feeding box 903 moves horizontally, and the smoke is uniformly fed into the filter plate 7, so that the smoke is uniformly fed into the catalyst plate 5, and the catalyst plate 5 is uniformly utilized, so that the catalyst plate 5 is fully utilized; in addition, in the embodiment of the present invention, through the arrangement of the turning device 10, when the catalyst plate 5 is used for a period of time, the wrenching rod 1008 is rotated, so that when the baffle 1009 rotates and is separated from the catalyst plate 5, the catalyst plate 5 is unlocked and locked, and automatically rotates under the action of gravity, then the catalyst plate 5 drives the turning block 1006 to rotate through the connecting shaft 1004, meanwhile, under the resilience force of the two expanding springs 1003, the sliding block 1002 is driven to slide, the sliding block 1002 slides and drives the turning block 1006 to move through the connecting shaft 1004, so that the turning block 1006 is pushed by the pushing block 1007, and then the turning block 1006 rotates and drives the catalyst plate 5 to move into the frame 4 through the connecting shaft 1004, so that the turning of the catalyst plate 5 is completed, and the top side and the bottom side of the catalyst plate 5 are fully contacted with flue gas, so that the catalyst is further fully utilized.
Further, referring to fig. 2-5 of the specification, in the SCR reactor provided by the embodiment of the present invention, the air intake adjusting and filtering device 8 further includes an air cylinder 805, the air cylinder 805 is installed on the top side of the transfer box 801, a telescopic shaft 806 is installed on an output shaft of the air cylinder 805, and the telescopic shaft 806 is installed on the bottom side of the adjusting plate 804; in addition, an ash receiving box 803 is inserted on the bottom side of the transfer box 801, and the ash receiving box 803 is used for receiving the soot filtered by the transfer box 801. It should be noted that, in the embodiment of the present invention, the telescopic shaft 806 is driven to move by the actuating cylinder 805, and the telescopic shaft 806 drives the adjusting plate 804 to move, so that the amount of the smoke entering the transfer case 801 can be adjusted.
More specifically, in the embodiment of the present invention, two sliding holes 808 are formed on the cleaning frame 807, sliding rods 809 are slidably installed in the two sliding holes 808, and the top ends of the sliding rods 809 are installed on the top inner wall of the transfer box 801;
In addition, a driving rod 812 is installed at the end of the rotating rod 810, a driving shaft 813 is rotatably installed on the driving rod 812, a driving groove 814 is formed in the cleaning frame 807, the driving shaft 813 is movably installed in the driving groove 814, a rotating hole 815 is formed in the middle rotating box 801, the rotating rod 810 is rotatably installed in the rotating hole 815, dense bristles are arranged on one side of the cleaning frame 807, and the cleaning frame 807 moves to clean the filter screen 802 through the dense bristles. It should be noted that, in the embodiment of the present invention, when the rotating rod 810 rotates, the rotating rod 810 drives the driving rod 812 to rotate, the driving rod 812 rotates to drive the cleaning frame 807 through the driving shaft 813, meanwhile, the driving shaft 813 slides in the driving groove 814, and when the cleaning frame 807 moves, the cleaning frame 807 vertically slides on the sliding rod 809 through the sliding hole 808, and further, when the rotating rod 810 rotates for one circle, the cleaning frame 807 moves up and down once, and the filter screen 802 is cleaned through dense bristles, so as to ensure smoothness of the filter screen 802.
Further, referring to fig. 2-8 of the specification, the SCR reactor with convenient adjustment provided by the embodiment of the invention, the uniform smoke delivery device 9 further includes a mounting seat 904, the mounting seat 904 is mounted on the smoke delivery box 903, a limiting hole 907 and a driving hole 905 are formed on the mounting seat 904, a limiting rod 908 is slidably mounted in the limiting hole 907, and two ends of the limiting rod 908 are respectively mounted on two side inner walls of the SCR reactor body 1; in addition, a driving lever 906 is rotatably installed in the driving hole 905, and the driving lever 906 is rotatably installed on the SCR reactor body 1. It should be noted that, in the embodiment of the present invention, when the mount 904 moves, it slides on the limiting rod 908 through the limiting hole 907, so that the mount 904 is limited to only horizontally slide.
Referring to fig. 2-8 of the drawings, in further detail, in the embodiment of the present invention, the end portions of the driving lever 906 and the rotating lever 810 are respectively provided with a gear 909, and the two gears 909 are engaged with a chain 910; the surface of the driving rod 906 is annularly and obliquely provided with a driving groove 911, an arc-shaped driving block 912 is arranged on the inner wall of the driving hole 905, and the arc-shaped driving block 912 is positioned in the driving groove 911. In the embodiment of the present invention, when the flue gas enters the transfer box 801, the flue gas blows the plurality of blowing blades 811 to rotate, the plurality of blowing blades 811 rotate to drive the rotating rod 810 to rotate, so that the rotating rod 810 drives one gear 909 to rotate, the gear 909 drives the other gear 909 to rotate through the chain 910, and further drives the driving rod 906 to rotate, when the driving rod 906 rotates, the arc-shaped driving block 912 is extruded to move through the driving groove 911, so that the arc-shaped driving block 912 drives the mounting seat 904 to move, the mounting seat 904 moves to drive the smoke delivery box 903 to move, and because the driving groove 911 is annularly and obliquely arranged on the surface of the driving rod 906, when the driving rod 906 rotates for one circle, the mounting seat 904 drives the smoke delivery box 903 to reciprocate and move once, and the flue gas is uniformly fed into the filter plate 7, so as to achieve the purpose of uniform smoke delivery.
Further, referring to fig. 9 to 11 of the specification, in the SCR reactor provided by the embodiment of the present invention, the turnover device 10 further includes a connection shaft 1004, and the catalyst plate 5 is sleeved on the connection shaft 1004; the two sliding blocks 1002 are provided with rotary holes 1005, and the connecting shaft 1004 is rotatably arranged in the two rotary holes 1005. In the embodiment of the present invention, the rotation of the catalyst plate 5 drives the rotation of the connection shaft 1004, and the connection shaft 1004 rotates in the two rotation holes 1005.
More specifically, in the embodiment of the present invention, a sliding hole 1010 is formed in one sliding groove 1001, one end of a connecting shaft 1004 passes through the sliding hole 1010 and is provided with a rotating block 1006, one side of the frame 4 is provided with a pushing block 1007, the sliding block 1002 slides, and the rotating block 1006 is driven to move by the connecting shaft 1004, so that the rotating block 1006 is extruded and rotated by the pushing block 1007, and the catalyst plate 5 is driven to overturn. It should be noted that, in the embodiment of the present invention, when the pulling rod 1008 is rotated to make the baffle 1009 rotate and separate from the catalyst plate 5, the catalyst plate 5 is unlocked and locked, and automatically rotates under the action of gravity, so that the catalyst plate 5 drives the rotating block 1006 to rotate through the connecting shaft 1004, and simultaneously drives the sliding block 1002 to slide under the resilience force of the two expanding springs 1003, the sliding block 1002 slides through the connecting shaft 1004 to drive the rotating block 1006 to move, so that the rotating block 1006 is pushed by the pushing block 1007, so that the rotating block 1006 rotates, and the rotating block 1006 rotates to drive the catalyst plate 5 to rotate through the connecting shaft 1004, so that the catalyst plate 5 is driven to move into the frame 4, and the turnover of the catalyst plate 5 is completed, so that the top side and the bottom side of the catalyst plate 5 are fully contacted with the flue gas, and the catalyst is further fully utilized.
More specifically, in the embodiment of the present invention, a pulling rod 1008 is rotatably installed on the plurality of frames 4, and the bottom end of the pulling rod 1008 extends out of the SCR reactor body 1; the trigger lever 1008 is provided with a plurality of baffles 1009, and the plurality of baffles 1009 are used for blocking the plurality of catalyst plates 5. It should be noted that, in the embodiment of the present invention, when the trigger lever 1008 is rotated to rotate the baffle 1009 and disengage from the catalyst plate 5, the catalyst plate 5 is unlocked and locked, and automatically rotates under the action of gravity.
Referring to fig. 9-11 of the drawings, in further detail, in the embodiment of the present invention, a supporting spring 1003 is installed on the inner wall of the sliding groove 1001, and the other end of the supporting spring 1003 is installed on the sliding block 1002. In the embodiment of the present invention, when the trigger lever 1008 is rotated to rotate the shutter 1009 and separate from the catalyst plate 5, the sliding block 1002 is driven to slide by the resilience force of the two expanding springs 1003, and the sliding block 1002 horizontally slides in the sliding groove 1001.
Further, referring to fig. 1 of the specification, in the SCR reactor according to the embodiment of the present invention, an access door 11 is movably installed at one side of the SCR reactor body 1, and the access door 11 is opened for maintenance or replacement of the catalyst plate 5. In the embodiment of the present invention, maintenance of the catalyst plate 5 in the SCR reactor body 1 can be performed by opening the access door 11.
In summary, the working principle of the SCR reactor convenient to adjust provided by the embodiment of the present invention is:
in the process of fume emission, the fume enters the SCR reactor body through the CO catalyst box 3 and the flue 2, changes the direction through the guide plate 6, is filtered by the filter plate 7, and is catalyzed by the catalyst plate 5 to finish the fume purification; in the purifying process, the telescopic shaft 806 is driven to move by the starting cylinder 805, and the telescopic shaft 806 drives the adjusting plate 804 to move, so that the amount of smoke entering the transfer box 801 can be adjusted, and further the smoke can be sufficiently purified, and the problem of overhigh content of CO at the outlet of the SCR reactor body 1 is avoided; in addition, through the arrangement of the filter screen 802, the entering flue gas is primarily filtered, a large amount of impurities are prevented from entering the SCR reactor body 1, the problem that the filter plate 7 cannot bear and is blocked is avoided, meanwhile, when the flue gas enters the transfer box 801, a plurality of blowing blades 811 rotate and drive the rotating rod 810 to rotate, when the rotating rod 810 rotates, the rotating rod 810 drives the driving rod 812 to rotate, the driving rod 812 rotates and drives the cleaning frame 807 to move through the driving shaft 813, meanwhile, the driving shaft 813 slides in the driving groove 814, when the cleaning frame 807 moves, the cleaning frame 807 vertically slides on the sliding rod 809 through the sliding holes 808, and then the cleaning frame 807 moves up and down once when the rotating rod 810 rotates for one circle, and the filter screen 802 is cleaned through dense bristles, so that smoothness of the filter screen 802 is ensured;
Further, when the flue gas enters the transfer box 801, the flue gas blows a plurality of blowing blades 811 to rotate, the plurality of blowing blades 811 rotate to drive the rotating rod 810 to rotate, the rotating rod 810 drives one gear 909 to rotate, the gear 909 drives the other gear 909 to rotate through a chain 910, and then drives the driving rod 906 to rotate, when the driving rod 906 rotates, the arc-shaped driving block 912 is extruded to move through the driving groove 911, and then the arc-shaped driving block 912 drives the mounting seat 904 to move, the mounting seat 904 moves to drive the smoke feeding box 903 to move, and because the driving groove 911 is annularly and obliquely arranged on the surface of the driving rod 906, when the driving rod 906 rotates for one circle, the mounting seat 904 drives the smoke feeding box 903 to reciprocate and transversely move once, so that the flue gas is uniformly fed into the filter plate 7, and the purpose of uniform smoke feeding is achieved;
Still further, when the catalyst plate 5 is used for a period of time, the turning lever 1008 is turned, so that the baffle 1009 is turned and separated from the catalyst plate 5, the catalyst plate 5 is unlocked and locked, and is automatically turned under the action of gravity, so that the catalyst plate 5 drives the turning block 1006 to rotate through the connecting shaft 1004, meanwhile, under the resilience force of the two expanding springs 1003, the sliding block 1002 is driven to slide, the sliding block 1002 drives the turning block 1006 to move through the connecting shaft 1004, so that the turning block 1006 is pushed by the pushing block 1007, so that the turning block 1006 rotates, the catalyst plate 5 is driven to rotate through the connecting shaft 1004, the catalyst plate 5 is driven to move into the frame 4, and the turning of the catalyst plate 5 is completed, so that the top side and the bottom side of the catalyst plate 5 are fully contacted with flue gas, and the catalyst is further fully utilized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a SCR reactor convenient to adjust, its characterized in that includes the SCR reactor body, the flue is installed to one side of SCR reactor body, install the CO catalyst case on the flue, install a plurality of frames in the SCR reactor body, movable mounting has the catalyst board in the frame, the filter is installed to the top side of frame, install the guide plate in the SCR reactor body;
The air inlet adjusting and filtering device comprises a transfer box, the transfer box is arranged between the SCR reactor body and the flue, a filter screen is arranged in the transfer box, a cleaning frame is arranged on one side of the filter screen, a rotating rod is rotatably arranged in the transfer box, a plurality of blowing blades are annularly and equidistantly arranged on the rotating rod, the cleaning frame is movably arranged on the rotating rod, an adjusting plate is movably arranged on one side of the transfer box, and the adjusting plate is moved and used for adjusting the amount of smoke entering the transfer box;
The device comprises an SCR reactor body, a smoke filter plate, a smoke filter and a uniform smoke delivery device, wherein the smoke filter plate is arranged at the top of the SCR reactor body; the uniform smoke delivery device comprises a connecting sleeve, the connecting sleeve is sleeved on the bottom side of the guide plate, an adapter sleeve is arranged on the bottom side of the connecting sleeve, a smoke delivery box is arranged on the bottom side of the adapter sleeve, and smoke is delivered into one filter plate positioned at the uppermost part by moving the smoke delivery box;
The turnover device is arranged in the frame and is positioned below the catalyst plate; the turnover device comprises two sliding blocks, the catalyst plate is rotatably arranged on the two sliding blocks, sliding grooves are formed in the inner walls of the two sides of the frame, and the two sliding blocks are respectively and slidably arranged in the two sliding grooves;
the uniform smoke delivery device further comprises a mounting seat, the mounting seat is mounted on the smoke delivery box, a limiting hole and a driving hole are formed in the mounting seat, a limiting rod is slidably mounted in the limiting hole, and two ends of the limiting rod are respectively mounted on inner walls of two sides of the SCR reactor body;
a driving rod is rotatably arranged in the driving hole and is rotatably arranged on the SCR reactor body;
the turnover device further comprises a connecting shaft, and the catalyst plate is sleeved on the connecting shaft;
The two sliding blocks are provided with rotating holes, and the connecting shaft is rotatably arranged in the two rotating holes;
One sliding groove is provided with a transverse moving hole, one end of the connecting shaft penetrates through the transverse moving hole and is provided with a rotating block, one side of the frame is provided with a pushing block, the sliding block slides, and the connecting shaft drives the rotating block to move, so that the rotating block is extruded by the pushing block to rotate, and the catalyst plate is driven to turn over;
a plurality of frames are rotatably provided with wrenching rods, and the bottom ends of the wrenching rods extend out of the SCR reactor body;
A plurality of baffles are arranged on the wrenching rod and used for blocking a plurality of catalyst plates;
a spreading spring is arranged on the inner wall of the sliding groove, and the other end of the spreading spring is arranged on the sliding block;
An access door is movably mounted on one side of the SCR reactor body and is opened for maintenance or replacement of the catalyst plate.
2. The SCR reactor as recited in claim 1, wherein the inlet air conditioning filter further comprises a cylinder mounted on a top side of the transfer box, an output shaft of the cylinder having a telescopic shaft mounted thereon, the telescopic shaft being mounted on a bottom side of the conditioning plate;
the ash receiving box is inserted on the bottom side of the transfer box and is used for receiving the ash filtered by the transfer box.
3. The SCR reactor according to claim 2, wherein the cleaning frame is provided with two sliding holes, sliding rods are slidably installed in the two sliding holes, and the top ends of the sliding rods are installed on the inner wall of the top side of the transfer box;
The end of the rotating rod is provided with a driving rod, the driving rod is rotatably provided with a driving shaft, the cleaning frame is provided with a driving groove, the driving shaft is movably arranged in the driving groove, the transfer box is provided with a rotating hole, the rotating rod is rotatably arranged in the rotating hole, one side of the cleaning frame is provided with dense bristles, and the cleaning frame moves to clean the filter screen through the dense bristles.
4. The SCR reactor as defined in claim 1, wherein gears are mounted on both ends of said driving rod and said rotating rod, and a chain is engaged with both said gears;
The surface of the driving rod is annularly and obliquely provided with a driving groove, the inner wall of the driving hole is provided with an arc-shaped driving block, and the arc-shaped driving block is positioned in the driving groove.
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| CN202410139919.2A CN117695843B (en) | 2024-02-01 | 2024-02-01 | SCR reactor convenient to adjust |
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| CN117695843B true CN117695843B (en) | 2024-04-30 |
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| CN209341450U (en) * | 2018-12-19 | 2019-09-03 | 石家庄睿晟天达科技有限公司 | A kind of air outlet mechanism of Household Air Purifier |
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| CN117695843A (en) | 2024-03-15 |
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