CN112023600B - Air purifying device in tunnel and purifying method thereof - Google Patents
Air purifying device in tunnel and purifying method thereof Download PDFInfo
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- CN112023600B CN112023600B CN202011007492.9A CN202011007492A CN112023600B CN 112023600 B CN112023600 B CN 112023600B CN 202011007492 A CN202011007492 A CN 202011007492A CN 112023600 B CN112023600 B CN 112023600B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000443 aerosol Substances 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 12
- 238000004887 air purification Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052782 aluminium Inorganic materials 0.000 claims description 25
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000178 monomer Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 4
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 7
- 239000012855 volatile organic compound Substances 0.000 abstract description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002041 carbon nanotube Substances 0.000 abstract description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 abstract description 4
- 238000010891 electric arc Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000004417 polycarbonate Substances 0.000 abstract description 2
- 229920000515 polycarbonate Polymers 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 150000004770 chalcogenides Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an air purification device in a tunnel and a purification method thereof, comprising a frame main body, a front air inlet fan cover and an air outlet fan cover, wherein one side of the frame main body is fixedly connected with the front air inlet fan cover, the other side is fixedly connected with the air outlet fan cover, and a sensor module, a front filtering module, a PM2.5 aerosol removing module, a high-voltage electrical box, an ASF decomposition module and a power module are arranged in the frame main body. The air purifying device in the tunnel adopts uniform coincidence materials composed of Polycarbonate (PC), carbon Nano Tube (CNT) and the like, combines with a peculiar gradient type ballast inlet structure, does not need to change the existing fan, can realize low power and no arc discharge phenomenon, and simultaneously realizes SO (sulfur dioxide) discharge 2 、NO 2 、O 3 Efficient removal of VOCs, PM1.0, PM2.5, PM 10.
Description
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an air purification device in a tunnel and a purification method thereof.
Background
The tunnel belongs to a relatively airtight space, and has high vehicle flow density and large exhaust emission. SO generated by automobile exhaust emission during long-time operation 2 、NO 2 The more the toxic and harmful gases and dust such as O3, VOC, PM1.0, PM2.5 and PM10 are accumulated, the more the air environment in the space is influenced, the air environment is further mutually communicated with microorganisms and the like in automobile passengers and tunnel environments, the environment index is easily out of standard, and the physical and mental health of traffic personnel and tunnel maintainers is influenced. Therefore, it is necessary to sterilize and dedust the air of the tunnel system, and to cool the temperature, humidity, pressure and SO 2 NO2, O3, VOC, PM1.0, PM2.5, PM10, etc. The existing air sterilization and dust removal method mainly comprises a filling type air filter, an electrostatic precipitator and the like. The method has the following defects that (one) the air filter filters the particulate matters and simultaneously has high resistance so as to bring difficulty to the fan model selection of the tunnel. For this purpose, to reduceThe air filter resistance, the selected air filter is generally low in efficiency and cannot realize the sterilization function, and the electrostatic precipitator is easy to generate ozone, which is unfavorable for traffic flow personnel and tunnel maintenance personnel passing under a relatively airtight tunnel and generates potential harm to the respiratory tract.
Disclosure of Invention
The invention aims to provide an air purification device in a tunnel and a purification method thereof, which can realize low power, no arc discharge phenomenon and SO (SO) at the same time by changing the existing fan 2 、NO 2 、O 3 Efficient removal of VOCs, PM1.0, PM2.5, PM10 to solve the problems mentioned in the background art above.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an air purification device and purification method in tunnel, includes frame main part, preceding air inlet fan housing and air outlet fan housing, the one side fixedly connected with preceding air inlet fan housing of frame main part, and the opposite side fixedly connected with air outlet fan housing, the inside of frame main part is equipped with sensor module, preceding filtration module, PM2.5 aerosol and gets rid of module, high-voltage electrical apparatus box, ASF decomposition module and power module.
Preferably, the front air inlet fan cover is of a strip-shaped hollow structure, the cross section of the front air inlet fan cover is a fan shape with a central angle not larger than 90 degrees, one side face of the front air inlet fan cover is attached to the side face of the frame main body, and a plurality of air inlets are formed in the bottom of the other side face of the front air inlet fan cover.
Preferably, the sensor module comprises a front sensor module arranged on the inner side of the front air inlet cover and a rear sensor module arranged on the outer side of the ASF decomposition module.
Preferably, the front filter module sets up in one side of front sensor module, including filter screen and the aluminium alloy frame, the central horizontal aluminium strip of drawing and the handle one of encircling the lock all around the filter screen, the locating hole has all been seted up at the middle part of two sides of aluminium alloy frame, the equal vertical direction welded fastening in both ends has the locating piece about the handle one, locating piece and the position assorted of locating hole and through bolt fixed connection, be equipped with the horizontal aluminium strip of drawing in the center on the horizontal central line of filter module main part one side, the both ends of the horizontal aluminium strip of drawing in the center welded fastening respectively are in the surface of aluminium alloy frame, the overall structure of filter screen is the rectangle, and inside is equipped with the fold of a plurality of vertical directions, and its material is synthetic fiber filter cotton in addition, the aluminium alloy frame includes four frame strips through pivot swing joint in proper order, wherein, first and fourth the head and the tail of frame strip pass through bolt fixed connection.
Preferably, the PM2.5 aerosol is got rid of the module and is set up in one side of preceding filtration module, the high-voltage electrical apparatus box sets up in PM2.5 aerosol and gets rid of one side of module and electric connection with it, PM2.5 aerosol is got rid of the module and is included apron one, end plate, major axis, electrode plastic cover plate, positive plate and negative plate, the apron is equipped with two piece from top to bottom altogether and equal fixedly connected with top string silk board on the internal surface, the end plate is equipped with left and right sides two altogether, and the upper and lower both ends of every end plate all through fixed plate with apron one fixed connection, be equipped with a plurality of mounting hole on the end plate, two symmetrical the mounting hole passes through the major axis is connected, crisscross positive plate and the negative plate of being fixed with on the major axis, one side fixedly connected with string silk guide rail of top string silk board, the center department vertical fixation of apron one has the division board, the middle string silk board of nested being fixed with in middle of division board one side, the both ends fixedly connected with two, equal electric connection has the electrode on positive plate and the negative plate.
Preferably, the ASF decomposes the setting of module and is in one side of high-voltage electrical apparatus box, the ASF decomposes the module and includes two and gets rid of oxynitride module and one and get rid of the chalcogenide module, wherein, the both sides of three module mutually independent and every module all fixedly connected with handle three, it is the same with the structure of getting rid of the chalcogenide module to get rid of oxynitride module, all includes the module main part, the module main part includes two apron two that upper and lower two symmetries set up, left and right sides door plant, front and back two front plates that symmetries set up and the filter screen subassembly of vertical direction fixing in its inside, the front plate is fence column structure and the inboard of every montant all is equipped with the spacing groove, the surface of door plant is equipped with a square recess, through screw fixedly connected with spring handle in the square recess, the filter screen subassembly includes a plurality of head and tail alternate connection's filter screen monomer, the filter screen monomer includes two aluminum meshes, mixes cloth and nestification in the aluminum mesh all around the side strip of two aluminum meshes, the surface of the single oxygen compound module of getting rid of oxynitride of removal in the filter screen surface has the reduction agent of the surface of oxynitride of the monooxide of the surface of the filter screen of the removal of oxynitride module.
Preferably, the power module comprises two fans with ten thousand air volumes and symmetrically arranged, wherein the outer sides of the two fans are electrically connected with a power distribution cabinet, a pressure difference switch electrically connected with the fans is arranged on an upright column on the inner side of the power module, and a fan upper cover plate is fixedly connected above the fans through bolts.
Preferably, lifting lugs are fixedly connected to four corners of the frame body through bolts.
The purification method of the air purification device in the tunnel comprises the following steps:
step 1): firstly, a steel wire rope passes through a lifting lug, and then equipment is lifted and fixed at the top of a tunnel;
step 2): switching on a power supply, starting a fan, and sucking air in the tunnel from a front air inlet fan cover by purifying equipment;
step 3): the front sensor module analyzes, displays and uploads the sucked air quality data;
step 4): the front filtering module carries out coarse filtration on the passed air;
step 5): the high-voltage electric box provides power support for the PM2.5 aerosol removal module, and PM2.5 aerosol filtration is carried out on the passing air through a high-voltage electric field formed by positive and negative plates in the PM2.5 aerosol removal module;
step 6): then the tail gas sequentially passes through a oxynitride removal module and a oxysulfide removal module in the ASF decomposition module, and the oxynitride and the oxysulfide are removed from the passing air;
step 7): the rear sensor module analyzes, displays and uploads the passing air quality data;
step 8): finally, the air is discharged from the air outlet fan cover through the fan.
The invention has the technical effects and advantages that: the air purifying device in the tunnel adopts uniform coincidence materials composed of Polycarbonate (PC), carbon Nano Tube (CNT) and the like, combines with a peculiar gradient type ballast inlet structure, does not need to change the existing fan, can realize low power and no arc discharge phenomenon, and simultaneously realizes SO (sulfur dioxide) discharge 2 、NO 2 、O 3 Efficient removal of VOCs, PM1.0, PM2.5, PM 10.
Drawings
FIG. 1 is an exploded construction view of the present invention;
FIG. 2 is an exploded view of the front filter module of the present invention;
FIG. 3 is an exploded block diagram of the PM2.5 aerosol removal module of the present invention;
fig. 4 is an exploded view of an ASF decomposition module according to the present invention for removing nitrogen oxides.
In the figure: 1. a frame body; 2. a front air intake fan housing; 3. a sensor module; 301. a front sensor module; 302. a rear sensor module; 4. a front filter module; 5. PM2.5 aerosol removal module; 6. a high voltage electrical apparatus box; 7. an ASF decomposition module; 701. removing the oxynitride module; 702. removing the sulfur oxide module; 703. a third handle; 8. a power module; 9. an air outlet fan cover; 10. a blower; 11. a power distribution cabinet; 12. lifting lugs; 13. a differential pressure switch; 14. an upper cover plate of the fan; 402. a filter screen; 403. aluminum profile frames; 404. horizontally pulling an aluminum strip at the center; 405. a first handle; 406. positioning holes; 407. a positioning block; 408. a frame strip; 501. a cover plate I; 502. an end plate; 503. a top filament hanging plate; 504. a long axis; 505. a fixing plate; 506. an electrode plastic cover plate; 507. a positive plate; 508. a negative plate; 509. an electrode; 510. a wire hanging guide rail; 511. a second handle; 512. a middle wire hanging plate; 513. a partition plate; 514. a mounting hole; 71. a module body; 72. a cover plate II; 73. a front plate; 74. a filter screen assembly; 75. side door panels; 76. a spring handle; 77. square grooves; 78. a threaded hole; 79. a limit groove; 740. a filter screen monomer; 7401. a filter screen; 7402. cloth; 7403. edge strips.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an air purification device in a tunnel as shown in a drawing, which comprises a frame main body 1, a front air inlet fan cover 2 and an air outlet fan cover 9, wherein one side of the frame main body 1 is fixedly connected with the front air inlet fan cover 2, the other side of the frame main body 1 is fixedly connected with the air outlet fan cover 9, and a sensor module 3, a front filtering module 4, a PM2.5 aerosol removing module 5, a high-voltage electrical box 6, an ASF decomposition module 7 and a power module 8 are arranged in the frame main body 1.
In addition, front air inlet fan housing 2 is rectangular form hollow structure, and the cross section is the fan-shaped that the central angle is not greater than 90, front air inlet fan housing 2's a side is laminated mutually with the side of frame main part 1, and the bottom of another side is equipped with a plurality of air intake, convenient better suction air. The sensor module 3 is favorable for collecting and comparing air quality data before and after purification in real time and combining a remote monitoring platform, can realize statistic analysis and display of the data, and can realize visualization of equipment use, thereby being convenient and intuitive and knowing the air purification effect in real time. The front filter module 4 is arranged on one side of the front sensor module 301 and comprises a filter screen 402, an aluminum profile frame 403, a central transverse pulling aluminum strip 404 and a first handle 405, wherein the aluminum profile frame 403 is buckled around the filter screen 402 in a surrounding mode, positioning holes 406 are formed in the middle of the two sides of the aluminum profile frame 403, positioning blocks 407 are welded and fixed to the upper end and the lower end of the first handle 405 in the vertical direction, and the positioning blocks 407 and the positioning holes 406 are positioned in the first handle 405Put assorted and through bolt fixed connection, be equipped with the horizontal aluminium strip 404 that draws in the center on the horizontal central line of filtration module main part one side, the both ends of horizontal aluminium strip 404 that draws in the center welded fastening respectively are in the surface of aluminium alloy frame 403, the overall structure of filter screen 402 is the rectangle, and inside is equipped with the fold of a plurality of vertical directions, and its material is synthetic fiber filter cotton in addition, the aluminium alloy frame includes four frame strips 408 that pass through swing joint in proper order in the pivot, wherein, first and fourth the head and the tail of frame strip 408 pass through bolt fixed connection, conveniently carry out coarse filtration to the air that gets into. The PM2.5 aerosol removal module 5 is arranged at one side of the front filter module 4, the high-voltage electric box 6 is arranged at one side of the PM2.5 aerosol removal module 5 and is electrically connected with the PM2.5 aerosol removal module 5, the PM2.5 aerosol removal module 5 comprises a cover plate I501, an end plate 502, a long shaft 504, an electrode plastic cover plate 506, a positive plate 507 and a negative plate 508, the cover plate I501 is provided with an upper part and a lower part, the inner surface is fixedly connected with a top wire hanging plate 503, the end plate 502 is provided with a left part and a right part, the upper end and the lower end of each end plate 502 are fixedly connected with the cover plate I501 through a fixing plate 505, the end plate 502 is provided with a plurality of mounting holes 514, the two symmetrical mounting holes 514 are connected through the long shaft 504, the positive plate 507 and the negative plate 508 are fixed on the long shaft 504 in a staggered manner, a wire hanging guide rail 510 is fixedly connected to one side of the top wire hanging plate 503, a partition plate 513 is vertically fixed to the center of the first cover plate 501, a middle wire hanging plate 512 is fixedly nested in the middle of one side of the partition plate 513, two handles 511 are fixedly connected to two ends of the middle wire hanging plate 512, electrodes 509 are electrically connected to the positive plate 507 and the negative plate 508, electric power support is conveniently provided for the PM2.5 aerosol removing module 5, efficient air filtration is facilitated for the positive plate and the negative plate of the high-voltage electric field inside the PM2.5 aerosol removing module, and higher broad-spectrum sterilization efficiency is achieved under lower voltage. The ASF decomposition module 7 is disposed on one side of the high-voltage electrical apparatus box 6, and the ASF decomposition module 7 includes two modules 701 and 702 for removing oxynitride, wherein the three modules are independent from each other, and two sides of each module are fixedly connected with three handles 703, and the module for removing oxynitride701 and get rid of sulphur oxide module 702 the structure is the same, all include module main part 71, module main part 71 includes two apron two 72 that upper and lower two symmetries set up, two limit door plant 75 that left and right sides set up that bilateral symmetry set up, front bezel 73 that front bezel 73 and back two symmetries set up and the filter screen subassembly 74 of perpendicular orientation fixing in its inside, front bezel 73 is fence-like structure and the inboard of every montant all is equipped with spacing groove 79, the surface of limit door plant 75 is equipped with a square recess 77, the bottom surface of square recess 77 is equipped with four at least screw holes 78, through screw fixedly connected with spring handle 76 in the square recess 77, filter screen subassembly 74 includes a plurality of head and the tail alternative connection's filter screen monomer 740, filter screen monomer 740 includes two aluminium nets 7401, mix with cloth and nested fixing in the strake around the aluminium net between two aluminium nets, the single surface of getting rid of nitrogen oxide in the nitrogen oxide module 701 scribbles the reductant of getting rid of nitrogen oxide, the single surface of sulphur oxide removal filter screen in the sulphur oxide module 702 gets rid of the quick reduction agent of sulphur oxide in the single surface of the quick-operation SOx material has been adopted, can be decomposed with the most efficient in the tail gas decomposition material fast 2 And the like.
It should be noted that the power module 8 includes two fans 10 with 1 ten thousand air volumes of processing capacity symmetrically arranged, two power distribution cabinets 11 are electrically connected to the outer sides of the fans 10, a differential pressure switch 13 electrically connected to the fans 10 is arranged on an upright column on the inner side, and a fan upper cover plate 14 is fixedly connected to the upper side of the fans 10 through bolts, so that ultra-large air processing capacity is provided for the environment, and ultra-large fresh air volume is provided. Four corners of the frame main body 1 are fixedly connected with lifting lugs 12 through bolts, so that the air purifying device in the tunnel is conveniently fixed in a top-mounted adsorption type mounting mode.
Working principle: before the air purification device in the tunnel is used, equipment is firstly lifted and fixed at the top of the tunnel through lifting lugs 12, tail gas in the tunnel is sucked by purification equipment from a front air inlet fan housing 2, a front sensor module 301 analyzes, displays and uploads sucked air quality data, coarse filtration is carried out by a front filtration module 4, PM2.5 aerosol filtration is carried out by a PM2.5 aerosol removal module 5,then removing oxynitride and oxysulfide through an ASF module 7, analyzing, displaying and uploading air quality data to be discharged through a rear sensor module 302, and finally discharging air from an air outlet fan housing 9 through a fan 10 to obtain PM2.5 particulate matters and NOX/SO 2 The gas pollutants such as/O3 and the like have good removal effect.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides an air purification device in tunnel, includes frame main part (1), preceding air inlet fan housing (2) and air outlet fan housing (9), its characterized in that: one side of the frame main body (1) is fixedly connected with a front air inlet fan cover (2), the other side of the frame main body is fixedly connected with an air outlet fan cover (9), and a sensor module (3), a front filtering module (4), a PM2.5 aerosol removing module (5), a high-voltage electrical box (6), an ASF decomposing module (7) and a power module (8) are arranged in the frame main body (1);
the front air inlet fan cover (2) is of a strip-shaped hollow structure, the cross section of the front air inlet fan cover is in a fan shape with a central angle not larger than 90 degrees, one side face of the front air inlet fan cover (2) is attached to the side face of the frame main body (1), and a plurality of air inlets are formed in the bottom of the other side face of the front air inlet fan cover; the sensor module (3) comprises a front sensor module (301) arranged on the inner side of the front air inlet fan cover (2) and a rear sensor module (302) arranged on the outer side of the ASF decomposition module (7);
the front filter module (4) is arranged on one side of the front sensor module (301) and comprises a filter screen (402) and an aluminum profile frame (403), a central transverse aluminum strip (404) and a first handle (405) which are buckled around the filter screen (402), positioning holes (406) are formed in the middle of two sides of the aluminum profile frame (403), positioning blocks (407) are welded and fixed at the upper end and the lower end of the first handle (405) in the vertical direction, the positioning blocks (407) are matched with the positioning holes (406) in position and are fixedly connected through bolts, a central transverse aluminum strip (404) is arranged on the horizontal central line of one side of the filter module body, two ends of the central transverse aluminum strip (404) are welded and fixed on the surface of the aluminum profile frame (403) respectively, the utility model discloses a filter screen, including filter screen (402), filter screen, PM2.5 aerosol removal module (5), high-voltage electrical apparatus box (6) are equipped with the fold of a plurality of vertical directions, and its material is synthetic fiber filter cotton in addition, the aluminium alloy frame includes four frame strips (408) that pass through swing joint in proper order in the pivot, wherein, first and fourth the head and the tail of frame strip (408) pass through bolt fixed connection, PM2.5 aerosol removal module (5) set up one side in preceding filter module (4), high-voltage electrical apparatus box (6) set up one side and electric connection with it in PM2.5 aerosol removal module (5), PM2.5 aerosol removal module (5) include apron one (501), end plate (502), major axis (504), electrode plastics apron (506), positive plate (507) and negative plate (508), two and equal fixedly connected with top string silk board (503) on the internal surface about apron one (501) are equipped with altogether, end plate (502) are equipped with about two altogether, and the upper and lower both ends of every end plate (502) all through fixed plate (505) with apron one (501) fixed connection, be equipped with a plurality of mounting hole (514) on end plate (502), two of symmetry mounting hole (514) pass through major axis (504) are connected, crisscross positive plate (507) and the negative plate (508) of being fixed with on major axis (504), one side fixedly connected with string silk guide rail (510) of top string silk board (503), the center department of apron one (501) is fixed with division board (513) perpendicularly, the middle nested middle string silk board (512) of being fixed with in middle of division board (513) one side, the both ends fixedly connected with handle two (511) of middle string silk board (512), electrode (509) and negative plate (508) are all electrically connected with electrode (509).
2. An in-tunnel air cleaning apparatus according to claim 1, wherein: ASF decomposes one side of setting in high-voltage apparatus box (6) of module (7), ASF decomposes module (7) including two get rid of nitrogen oxide module (701) and one get rid of sulfur oxide module (702), wherein, the both sides of three module mutually independent and every module all fixedly connected with handle three (703), get rid of nitrogen oxide module (701) and get rid of the structure of sulfur oxide module (702) the same, all include module main part (71), module main part (71) including upper and lower two apron two (72) that the symmetry set up, two limit door plant (75) that the bilateral symmetry set up, front bezel (73) that the fore-and-aft two symmetry set up and filter screen subassembly (74) that the vertical direction is fixed in its inside, front bezel (73) are fence form structure and the inboard of every montant all are equipped with spacing groove (79), the surface of limit door plant (75) is equipped with square recess (77), the bottom surface of square recess (77) is equipped with four at least screw holes (78), filter screen (740) are connected with filter screen assembly (740) monomer (740) through the spring, filter screen assembly (740) are connected with in turn around (740) monomer (740) including two filter screen assembly (740) monomer (740) are connected with each other, cloth (7402) and nested strakes (7403) fixed around the aluminum mesh (7401) are mixed between the two aluminum meshes (7401), the surface of a filter screen single body in the nitrogen oxide removal module (701) is coated with a reducing agent for removing nitrogen oxide, and the surface of the filter screen single body in the sulfur oxide removal module (702) is coated with the reducing agent for removing sulfur oxide.
3. An in-tunnel air cleaning apparatus according to claim 2, wherein: the power module (8) comprises two fans (10) with 1 ten thousand air volumes and symmetrically arranged, wherein the outer sides of the fans (10) are electrically connected with a power distribution cabinet (11), a pressure difference switch (13) electrically connected with the fans (10) is arranged on an upright column on the inner side, and a fan upper cover plate (14) is fixedly connected above the fans (10) through bolts.
4. A tunnel interior air cleaning apparatus according to claim 3, wherein: the panel of the bearing part of the frame main body (1) adopts a high-quality carbon structural steel plate with the thickness of 1.2mm and is stamped into a wave plate structure.
5. The in-tunnel air cleaning apparatus according to claim 4, wherein: lifting lugs (12) are fixedly connected to four corners of the frame main body (1) through bolts.
6. The method for purifying an air purifying apparatus in a tunnel according to claim 5, comprising the steps of:
step 1): firstly, a steel wire rope passes through a lifting lug (12), and then equipment is lifted and fixed at the top of a tunnel;
step 2): switching on a power supply, starting a fan, and sucking air in a tunnel from a front air inlet fan housing (2) by purifying equipment;
step 3): the front sensor module (301) analyzes, displays and uploads the sucked air quality data;
step 4): the front filtering module (4) carries out rough filtering on the passed air;
step 5): the high-voltage electrical box (6) provides power support for the PM2.5 aerosol removal module (5), and PM2.5 aerosol filtration is carried out on the passing air through a high-voltage electric field formed by positive and negative plates in the PM2.5 aerosol removal module (5);
step 6): then the tail gas sequentially passes through a nitrogen oxide removal module (701) and a sulfur oxide removal module (702) in the ASF decomposition module (7), and nitrogen oxides and sulfur oxides are removed from the passing air;
step 7): the rear sensor module (302) analyzes, displays and uploads the passing air quality data;
step 8): finally, the air is discharged from the air outlet fan cover (9) through the fan (10).
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| CN113415300B (en) * | 2020-12-31 | 2022-08-12 | 星诺大气环境科技(南京)有限公司 | High-voltage electrical framework structure for installing air purification device in high-speed rail passenger room air conditioner |
| CN112678007B (en) * | 2020-12-31 | 2022-03-25 | 星诺大气环境科技(南京)有限公司 | Air purification integrated device for high-speed rail passenger room |
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