A kind of self-circulation type aerochemistry filter method and filter plant thereof
Technical field
The utility model relates to a kind of air filtration purification treatment technology apparatus field, particularly a kind of self-circulation type aerochemistry filter method and filter plant thereof.
Background technology
Along with industrialization and scientific and technical progress, air pollution is more and more serious, PM10, PM2.5, sulfur dioxide, oxynitrides, formaldehyde, the frequent severe overweight of the gases such as VOC.Industry, vehicle exhaust, building materials etc. discharge a large amount of poisonous and harmful substances, to human body, to precision instrument, all exist huge injury, therefore must purify poisonous and harmful substance.
Prior art is mainly by special filtering cleaning equipment or air-conditioning box, to increase filtering function section outdoor air is carried out to filtration, purification; After filtering by new wind filter plant, outdoor new wind enters indoor, and filter plant is positioned over outdoor, and by airduct, the new wind after filter plant is filtered is introduced indoor, and the inlet of new wind is 10% left and right normally.
It is outdoor that the shortcoming/deficiency of prior art is that 1. equipment are placed in, and material requirements is higher, needs anticorrosion, puts rainwater etc.; 2. introduce air quantity in 10% left and right, air quantity is less, a little less than whole detergent power; 3. pair indoor contaminated air cannot purify; 4. indoor and outdoor is used airduct to connect, once complete construction fixing after, change cumbersome; 5. installation difficulty is high, takes up room large, and installment work is complicated.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of self-circulation type aerochemistry filter method and filter plant thereof, for deficiency of the prior art, and the self-circulation type aerochemistry filter plant arranging in design office, use cold-rolled steel sheet electrostatic plastic spraying material, manufacture processing request low; Indoor filter plant only needs to provide power supply, can directly be in place, and equipment is installed simple; Self-circulation type air quantity is large, to room air, can realize good filtration; Can increase easily number of units, improve filter capacity, so that meeting spatial and other requirements at the higher level of purification level.
For achieving the above object, the technical solution of the utility model is as follows: a kind of self-circulation type aerochemistry filter method and filter plant thereof, described self-circulation type aerochemistry filter plant, be called for short chemical filtration unit, comprise filter plant casing, roughing efficiency air filter, chemical filtering section A, blower fan, chemical filtering section B, medium effeciency filter, air feed shutter, air-out blinds, access door, frequency converter, differential pressure indicator, power cord box, door latch, cylinder filter, cylinder filters module, module framework, filter inwall, filter outer wall, fixed bolt, gasket seal, filter base, filter cover, lamination filters housing, lamination filter material layer, installation hand hole, it is characterized in that:
Described chemical filtration unit is vertical type square structure, a plurality of functional sections, consists of, and according to order from bottom to up, described a plurality of functional sections comprise the effect section-chemical filtering section A-fan section-chemical filtering section B-middle effect section-wind outlet section of wind inlet section-just; Described a plurality of functional section is used the mode of panel beating bending part welding, is fixedly connected in described filter plant casing; Described wind inlet section is arranged at described filter plant bottom half, and described wind inlet section is octahedral structure, eight air feed shutters, consists of, and lays respectively on eight faces of described filter plant casing wind inlet section; Described just effect section consists of roughing efficiency air filter, is assemblied in described filter plant casing, is positioned at described wind inlet section top; Described just effect section top is provided with homogenizing plate, described homogenizing plate top is welded with chemical filtering section A, described chemical filtering section A top is welded with fan section, in described fan section, be provided with blower fan and base plate, described base plate is connected to by being spirally connected on described filter plant casing, and the middle crash roll that uses is shockproof; The air inlet of described blower fan communicates with described chemical filtering section A, and the air outlet of described blower fan connects or metallic hard is connected to the other end of fan section in succession with soft, and communicates with described chemical filtering section B; Described blower fan top is provided with chemical filtering section B, and described chemical filtering section B top is provided with described middle effect section, and described middle effect section consists of medium effeciency filter, is assemblied in described filter plant casing, and the top of described chemical filtering section B is provided with wind outlet section; Described wind outlet section is arranged at described filter plant casing top, and described wind outlet section is octahedral structure, eight air-out blinds, consists of, and lays respectively on eight faces of described filter plant casing wind outlet section; On described filter plant casing front, be provided with the installing space of described roughing efficiency air filter, described medium effeciency filter, its excess-three face is provided with seal back plate, positive each functional section opposite position is provided with access door, described access door is connected on described filter plant casing with hinging manner, after described access door closure, by door latch, lock, described maintenance doorframe is provided with sealing strip, guarantees sealing; Described frequency converter is mounted on by being spirally connected on described filter plant casing, and described frequency converter operating surface is concordant with outside described filter plant casing front, and described frequency converter is connected with power sourced electric with described blower fan; Described differential pressure indicator is mounted on by being spirally connected on described filter plant casing, described differential pressure indicator is positive concordant with outside described filter plant casing, described differential pressure indicator is connected in the airflow direction upstream of corresponding function section by the positive pressure side of flexible pipe, negative pressure end is connected in the downstream of corresponding function section airflow direction; Described power cord box is fixedly welded on described filter plant casing side.
According to airflow filtering direction, air is inhaled into wind inlet section, enters just effect section and filters, then enter chemical filtering section A filtration, after fan section accelerates, enters chemical filtering section B and filters, and finally enters middle effect section and filters, and the air after purification is discharged via wind outlet section.
Described wind inlet section is provided with octahedral shutter, and described shutter Independent is equipped with open to shut to regulate bar, by open to shut to regulate bar, and orientable unlatching or close the air feed shutter window of some.
Described wind outlet section is provided with octahedral shutter, and described shutter Independent is equipped with open to shut to regulate bar, by open to shut to regulate bar, and orientable unlatching or close the air-out shutter of some.
Described blower fan is arranged in the middle of two groups of chemical filtering sections (A, B), described blower fan by air draught effect by roughing efficiency air filter described in air intake and described chemical filtering section A; Then through described blower fan, accelerate, be sent in described chemical filtering section B and described medium effeciency filter air is with pressure, given full play to air draught and the air-exhausting function of described blower fan.
Described roughing efficiency air filter and described medium effeciency filter, the access door by described filter plant casing front can be convenient for changing, and described medium effeciency filter can use inferior high efficiency filter to replace.
Described filter plant casing front is provided with a plurality of access doors, described just effect section, and chemical filtering section A, fan section, chemical filtering section B, middle effect section is respectively arranged with independently access door; Can be according to actual conditions needs, change or change the configuration of corresponding function section, such as ultraviolet germicidal etc.
Described self-circulation type aerochemistry filtering technique flow process is: air is under described blower fan attraction force acts, via the octahedral shape air feed shutter in the wind inlet section of bottom, enter into described roughing efficiency air filter, described roughing efficiency air filter filters air, and dispel PM10 fine particle contained in air, play the effect of protection chemical filtering section A and chemical filtering section B simultaneously, under the attraction and compression force of blower fan, air is by described chemical filtering section A and chemical filtering section B, chemical filtrate in described chemical filtering section A and chemical filtering section B carries out chemical filtering to harmful poisonous dusty gas contained in air, make the harmful dusty gas of airborne chemistry and described chemical filtrate generation chemical reaction, and further airborne harmful poisonous dusty gas is eliminated, under the compression force of described blower fan, air is compressed to be entered in described medium effeciency filter, described medium effeciency filter is placed last, air through chemical filtering is filtered, and PM2.5 fine particle contained in described air is dispelled, through roughing efficiency air filter, chemical filtering section A, what chemical filtering section B and medium effeciency filter filtered purifies air, finally by the octahedral shape air-out blinds in wind outlet section, be drained in cleaning shop.
1, dispelling of PM10 fine particle: as shown in Figure 8, airborne dust particle, has three kinds of flow regimes, the one, along with air-flow is done inertia operation; The 2nd, do random freely-movable; The 3rd, be subject to the effect of certain electric field or magnetic field force and move; In dust particle motion process, when the particle in motion bumps against barrier, described particle and barrier Surface Contact, the Van der Waals for existing between described particle and barrier surface molecular bonds together described particle and barrier; Airborne pollution dust particle is under described blower fan attraction force acts, by inertia motion or random motion under wind-force effect, enter into described roughing efficiency air filter, described fine particle contacts with filtrate or filter cloth in roughing efficiency air filter according to principle of inertia and diffusion principle, and wherein fine particle more than PM10 is hunted down.Described roughing efficiency air filter, can be used 3 months above replacings once conventionally.Middle effect, inferior high efficiency filter can be used 6 months above replacings once.
2, lamination chemical filtering process: as shown in Fig. 4, Fig. 9, described chemical filtering section A is used lamination chemical filtering, and described lamination chemical filtering is provided with the chemical module of rectangular structure; Described chemical module consists of chemical filtering piece housing and a plurality of V-type chemistry filter material layer; In described chemical filter material layer, be filled with chemical filtrate.
Described chemical module cuboid is of a size of: length 20mm-100mm, width 20mm-100mm, height 20mm-80mm; Also can customize on request size; The material of described chemical module is metal or plastics; Described chemical filter material layer thickness is 2mm-10mm.
Described chemical module adopts the mode of plug, in the direct insertion chemistry fillter section of installation hand hole housing, during unloading, directly extracts; Described chemical module relies on deadweight and gasket seal to be connected with filter plant box sealing.
Airborne chemical poisonous and harmful dusty gas dispel (1) absorption principle: chemical filtrate, as active carbon, is a kind of porous material, and it has highly developed pore structure, has macropore, mesopore and micropore; Loose structure provides a large amount of surface areas for it, can fully contact with air and impurity, by Van der Waals force, objectionable impurities (being mainly VOC) is fixed on to micropore surface, thereby reaches the target of removing objectionable impurities; After chemical filtrate absorption is full, will automatically separate adsorption desorption by manual type, circular regeneration is used.(2) chemical reaction absorption principle: same with Adsorption Phase, objectionable impurities enters after micropore surface, and described micropore surface is attached with specific chemical composition, can react with objectionable impurities, thereby be that harmless inorganic salts are fixed on micropore surface by impurity conversion; Chemisorbed can not produce the problem of desorption, is more conducive to that airborne poisonous and harmful is polluted to molecule and dispels; The chemical reaction process of described chemisorbed typical case dusty gas is as follows:
Nitrogen oxide (NOx) is dispelled reaction:
3NO+2KMnO
4+H
2O=3NO
2+2MnO
2+2KOH;
3NO
2+KMnO
4+2KOH=3KNO
3+MnO
2+H
2O;
Sulfur dioxide molecule (SO
2) dispel reaction:
2KOH+SO
2=K2SO
3+H
2O;
2K
2SO
3+O
2=2K
2SO
4
Chlorine Cl
2dispel reaction:
2Cl
2+4KOH=4KCl+2H
2O+O
2;
Ammonia NH
3dispel reaction:
H
3PO
4+NH
3=(NH
4)H
2PO
4
Chemical filtrate in described chemical filter, can be used more than 1 year conventionally.
3, blower fan transmits the attraction of air and compression stress: described blower fan is attractive to roughing efficiency air filter and chemical filtering section A, by the High Rotation Speed of described blower fan, under the effect of paddle, air is attracted from the octahedral shape blinds of wind inlet section, and under attraction force acts, make air by roughing efficiency air filter and chemical filtering section A; When air is by after described blower fan, on described blower fan, be provided with air draft paddle, the revolving force of air will further be increased, further described air is compressed, and in seal cavity, obtain higher compression ratio, force air under compression force continuously, enter into described chemical filtering section B, after described chemical filtering section B, the further compressed pressure of described air is by described medium effeciency filter, final described air is cleaned, and enters better purifying space at the octahedral shape blinds of unique wind outlet section process air-out blinds.
4, cylinder chemical filtering process: described chemical filtering section B is provided with cylinder and filters module, described cylinder filters module and is comprised of a plurality of cylinder filters, as Fig. 5, Fig. 6, Fig. 7, shown in Fig. 9, described cylinder filter is columnar structured, comprise filter inwall, chemistry filtrate, filter outer wall, fixed bolt, gasket seal, filter base, filter cover, described chemical filtrate is arranged between described filter inwall and filter outer wall, the tubular structure that described filter inwall and filter outer wall are different-diameter, in socket mode, pass through fixed bolt, by described filter base and described filter cover, gasket seal is assembled into one.
Described cylinder filters in module, and described module framework is screwed on the chemical filtering section B of described chemical filtration unit; In described module framework, be provided with the air admission hole of cylinder filter, described air admission hole is provided with the fixing hole of three fixed bolts around, described cylinder filter is placed in described module framework, rotate described cylinder filter, by three fixed bolts, described cylinder filter is fixed in described module framework; On three double-screw bolts of described cylinder filter, be equipped with a gasket seal, between described cylinder filter and described module framework, by the gasket seal on cylinder filter, seal; Described filter inwall and described filter outer wall all adopt the bending of punching web plate to form, and described filter inwall and described filter outer wall are all curling is that after cylinder, spot-welded forms, and between described filter inwall and described filter outer wall, loads chemical filtrate; Described filter base is fixedly connected with by welding manner with described filter outer wall, described filter base adopts spot welding mode to be fixedly connected with described filter inwall, between described filter inwall and described filter outer wall, use rivet, between described filter cover and filter outer wall, use screw to be fixedly connected with.
The through hole of air-flow module framework enters cylinder filter inner side, enters chemical filter material layer, and after fully contacting with the chemical filtrate in inside, by outer wall mesh, get rid of by filter inwall mesh.
Described cylinder filters 4,8,16 three kinds of mould splits, adopts 16 cylinders to filter modular structure in the utility model; Cylinder filter external diameter 145mm described in each, internal diameter 87mm, length is three kinds of specification: 250mm, 450mm, 600mm; Nonstandard length is customizable.
The filtrate amount of fill ft of described 250mm specification cylinder filter
3/ ft
2draught area: 0.41; Resistance is 120Pa@1.5m/s; The filtrate amount of fill ft of described 450mm specification cylinder filter
3/ ft
2draught area: 0.61; Resistance is 120Pa@2.6m/s; The filtrate amount of fill ft of described 600mm specification cylinder filter
3/ ft
2draught area: 0.81; Resistance is 120Pa@3.6m/s.
5, dispelling of PM2.5 fine particle: as shown in Figure 8, airborne dust particle, has three kinds of flow regimes, the one, along with air-flow is done inertia operation; The 2nd, do random freely-movable; The 3rd, be subject to the effect of certain electric field or magnetic field force and move; In dust particle motion process, when the particle in motion bumps against barrier, described particle and barrier Surface Contact, the Van der Waals force existing between described particle and barrier surface molecular bonds together described particle and barrier; Airborne pollution dust particle is under described blower fan compression force, by inertia motion or random motion under wind-force effect, enter into described medium effeciency filter, described fine particle contacts with filtrate or filter cloth in medium effeciency filter according to principle of inertia and diffusion principle, and wherein fine particle more than PM2.5 is hunted down.Described middle effect, inferior high efficiency filter, can be used 6 months above replacings once conventionally.
Described frequency converter can be controlled rotation speed of fan, and then regulates airfiltering air quantity.
Described just effect, middle effect functional section are provided with described differential pressure indicator, in order to monitor described just effect, medium effeciency filter service condition, provide filter replacement foundation.
Power cord box is in order to connect power supply, and described power supply is used three-phase 380V, 50hz distribution.
The utility model standard device separate unit air quantity reaches 1700 cubes ms/h.
The utility model use capable of being combined, the size of better purifying space and room air situation as required, available according to spatial volume rate of ventilation 6-12 times, many filter plants of corresponding configuration.
The overall work principle of described chemical filtration unit: provide air quantity by carrying blower fan, attraction and compression stress kinetic energy are provided; By homogenizing plate, make the air of suction evenly enter filter, by primarily efficient filter, dispel PM10, two sections of chemical filterings are dispelled chemical gas, as chemical gas such as SO2, NOx, formaldehyde, VOC; Through medium effeciency filter, dispel PM2.5, make room air under the purification of chemical filtration unit, improve air quality, reach the best effect of dispelling, finally obtain clean air.
Other replacement scheme: the utility model, except vertical equipment, also can be set to horizontal equipment; According to airflow direction, vertical equipment can have air-out on lower air intake, air-out mode under all right upper air inlet; Described horizontal equipment can be set to the right air-out of left air intake or two kinds of modes of the left air-out of right air intake.
By technique scheme, the beneficial effect of technical solutions of the utility model is: design can independently be placed in indoor self-circulation type aerochemistry filter plant, uses cold-rolled steel sheet electrostatic plastic spraying material, manufactures processing request low, separate unit low cost of manufacture; Indoor filter plant only needs to provide power supply, can directly be in place, and equipment is installed simple; Air is carried out to filtration, purification, can effectively dispel PM10, PM2.5 particle, and SO
2, the chemical gas such as NOx, formaldehyde, VOC; Self-circulation type air quantity is large, to room air, can realize good filtration, and having solved new wind filtration system cannot be effectively to indoor air purification problem; Installation, dilatation conveniently, by increasing number of units, improve filtration, purification ability, have solved the effectively problem to indoor air purification of new wind filtration system, meeting spatial and purification grade other requirements at the higher level.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant front view schematic diagram thereof;
Fig. 2 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant side view schematic diagram thereof;
Fig. 3 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant cutaway view schematic diagram thereof.
Fig. 4 is the disclosed a kind of self-circulation type aerochemistry filter method of this new embodiment and filter plant chemical filtering section A schematic diagram thereof, and wherein Fig. 4 a is top view, and Fig. 4 b is left view, and Fig. 4 c is front view, and Fig. 4 d is right view, and Fig. 4 e is cutaway view.
Fig. 5 is that the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant cylinder thereof filter module schematic diagram;
Fig. 6 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant cylinder filter frame schematic diagram thereof, and wherein Fig. 6 a is front view, and Fig. 6 b is left view, and Fig. 6 c is top view;
Fig. 7 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant cylinder filter schematic diagram thereof, and wherein Fig. 7 a is top view, and Fig. 7 b is front view.
Fig. 8 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant particle inertial filter schematic diagram thereof;
Fig. 9 is the disclosed a kind of self-circulation type aerochemistry filter method of the utility model embodiment and filter plant chemical filtering schematic diagram thereof, and wherein Fig. 9 a is adsorption filtration figure, and Fig. 9 b is chemical filtering figure.
Numeral and the represented corresponding component title of letter in figure:
1. filter plant casing 2. roughing efficiency air filter 3. chemical filtering section A 4. blower fans
5. chemical filtering section B 6. medium effeciency filter 7. air feed shutter 8. air-out blinds
9. access door 10. frequency converter 11. differential pressure indicator 12. power cord box
13. door latch 14. cylinder filter 15. cylinders filter module
16. module framework 17. filter inwall 18. filter outer walls
19. fixed bolt 20. gasket seal 21. filter bases
22. filter cover 23. laminations filter housing 24. lamination filter material layers
25. installation hand holes
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1 to Fig. 7, the utility model provides a kind of self-circulation type aerochemistry filter method and filter plant thereof, comprise filter plant casing 1, roughing efficiency air filter 2, chemical filtering section A3, blower fan 4, chemical filtering section B5, medium effeciency filter 6, air feed shutter 7, air-out blinds 8, access door 9, frequency converter 10, differential pressure indicator 11, power cord box 12, door latch 13, cylinder filter 14, cylinder filters module 15, module framework 16, filter inwall 17, filter outer wall 18, fixed bolt 19, gasket seal 20, filter base 21, filter cover 22, lamination filters housing 23, lamination filter material layer 24, installation hand hole 25.
Described chemical filtration unit is vertical type square structure, a plurality of functional sections, consists of, and according to order from bottom to up, described a plurality of functional sections comprise the effect section-chemical filtering section A3-fan section-chemical filtering section B5-middle effect section-wind outlet section of wind inlet section-just; Described a plurality of functional section is used the mode of panel beating bending part welding, is fixedly connected in described filter plant casing 1; Described wind inlet section is arranged at described filter plant casing 1 bottom, and described wind inlet section is octahedral structure, eight air feed shutters 7, consists of, and lays respectively on eight faces of described filter plant casing 1 wind inlet section; Described just effect section consists of roughing efficiency air filter 2, is assemblied in described filter plant casing 1, is positioned at described wind inlet section top; Described just effect section top is provided with homogenizing plate, described homogenizing plate top is welded with chemical filtering section A3, described chemical filtering section A3 top is welded with fan section, in described fan section, be provided with blower fan 4 and base plate, described base plate is connected to by being spirally connected on described filter plant casing 1, and the middle crash roll that uses is shockproof; The air inlet of described blower fan 4 communicates with described chemical filtering section A3, and the air outlet of described blower fan 4 connects or metallic hard is connected to the other end of fan section in succession with soft, and communicates with described chemical filtering section B5; Described blower fan 4 tops are provided with chemical filtering section B5, and described chemical filtering section B5 top is provided with described middle effect section, and described middle effect section consists of medium effeciency filter 6, is assemblied in described filter plant casing 1, and the top of described chemical filtering section B5 is provided with wind outlet section; Described wind outlet section is arranged at described filter plant casing 1 top, and described wind outlet section is octahedral structure, eight air-out blinds 8, consists of, and lays respectively on eight faces of described filter plant casing 1 wind outlet section; On described filter plant casing 1 front, be provided with the installing space of described roughing efficiency air filter 2, described medium effeciency filter 6, its excess-three face is provided with seal back plate, positive each functional section opposite position is provided with access door 9, described access door 9 is connected on described filter plant casing 1 with hinging manner, after described access door 9 closures, by door latch 13, lock, described maintenance doorframe is provided with sealing strip, guarantees sealing; Described frequency converter 10 is mounted on by being spirally connected on described filter plant casing 1, and described frequency converter 10 operating surfaces are concordant with the positive outside of described filter plant casing 1, and described frequency converter 10 is connected with power sourced electric with described blower fan 4; Described differential pressure indicator 11 is mounted on by being spirally connected on described filter plant casing 1, described differential pressure indicator 11 is positive concordant with described filter plant casing 1 outside, described differential pressure indicator 11 is connected in the airflow direction upstream of corresponding function section by the positive pressure side of flexible pipe, negative pressure end is connected in the downstream of corresponding function section airflow direction; Described power cord box 12 is fixedly welded on described filter plant casing 1 side.
According to airflow filtering direction, air is inhaled into wind inlet section, enters just effect section and filters 2, then enter chemical filtering section A3 filtration, after fan section accelerates, enters chemical filtering section B5 and filters, and finally enters middle effect section and filters, and the air after purification is discharged via wind outlet section.
Described wind inlet section is provided with octahedral shutter, and described shutter Independent is equipped with open to shut to regulate bar, by open to shut to regulate bar, and orientable unlatching or close the air feed shutter window of some.
Described wind outlet section is provided with octahedral shutter, and described shutter Independent is equipped with open to shut to regulate bar, by open to shut to regulate bar, and orientable unlatching or close the air-out shutter of some.
Described blower fan 4 is arranged in the middle of two groups of chemical filtering sections (A3, B5), described blower fan 4 by air draught effect by roughing efficiency air filter described in air intake 2 and described chemical filtering section A3; Then through described blower fan 4, accelerate, be sent in described chemical filtering section B5 and described medium effeciency filter 6 air is with pressure, given full play to air draught and the air-exhausting function of described blower fan 4.
Described roughing efficiency air filter 2 and described medium effeciency filter 6, the access door 9 by described filter plant casing 1 front can be convenient for changing, and described medium effeciency filter 6 can use inferior high efficiency filter to replace.
Described filter plant casing 1 front is provided with a plurality of access doors 9, described just effect section, and chemical filtering section A3, fan section, chemical filtering section B5, middle effect section is respectively arranged with independently access door 9; Can be according to actual conditions needs, change or change the configuration of corresponding function section, such as ultraviolet germicidal etc.
Described self-circulation type aerochemistry filters concrete steps: air is under described blower fan attraction force acts, via the octahedral shape air feed shutter 7 in the wind inlet section of bottom, enter into described roughing efficiency air filter 2, 2 pairs of air of described roughing efficiency air filter filter, and dispel PM10 fine particle contained in air, play the effect of protection chemical filtering section A3 and chemical filtering section B5 simultaneously, under the attraction and compression force of blower fan 4, air is by described chemical filtering section A3 and chemical filtering section B5, chemical filtrate in described chemical filtering section A3 and chemical filtering section B5 carries out chemical filtering to harmful poisonous dusty gas contained in air, make the harmful dusty gas of airborne chemistry and described chemical filtrate generation chemical reaction, and further airborne harmful poisonous dusty gas is eliminated, under the compression force of described blower fan 4, air is compressed to be entered in described medium effeciency filter 6, described medium effeciency filter 6 is placed last, air through chemical filtering is filtered, and PM2.5 fine particle contained in described air is dispelled, through roughing efficiency air filter 2, chemical filtering section A3, what chemical filtering section B5 and medium effeciency filter 6 filtered purifies air, finally by the octahedral shape air-out blinds 8 in wind outlet section, be drained in cleaning shop.
1, dispelling of PM10 fine particle: as shown in Figure 8, airborne dust particle, has three kinds of flow regimes, the one, along with air-flow is done inertia operation; The 2nd, do random freely-movable; The 3rd, be subject to the effect of certain electric field or magnetic field force and move; In dust particle motion process, when the particle in motion bumps against barrier, described particle and barrier Surface Contact, the Van der Waals for existing between described particle and barrier surface molecular bonds together described particle and barrier; Airborne pollution dust particle is under described blower fan attraction force acts, by inertia motion or random motion under wind-force effect, enter into described roughing efficiency air filter, described fine particle contacts with filtrate or filter cloth in roughing efficiency air filter according to principle of inertia and diffusion principle, and wherein fine particle more than PM10 is hunted down.Described roughing efficiency air filter, can be used 3 months above replacings once conventionally.Middle effect, inferior high efficiency filter can be used 6 months above replacings once.
2, lamination chemical filtering process: as shown in Fig. 4, Fig. 9, described chemical filtering section A is used lamination chemical filtering, and described lamination chemical filtering is provided with the chemical module of rectangular structure; Described chemical module consists of chemical filtering piece housing 23 and a plurality of V-type chemistry filter material layer 24; In described chemical filter material layer 24, be filled with chemical filtrate.
Described chemical module cuboid is of a size of: length 20mm-100mm, width 20mm-100mm, height 20mm-80mm; Also can customize on request size; The material of described chemical module is metal or plastics; Described chemical filter material layer 24 thickness are 2mm-10mm.
Described chemical module adopts the mode of plug, in the direct insertion chemistry fillter section housing 23 of installation hand hole 25, during unloading, directly extracts; Described chemical module relies on deadweight and gasket seal and filter plant casing 1 to be tightly connected.
Dispelling of airborne chemical poisonous and harmful dusty gas: (1) absorption principle: chemical filtrate, as active carbon, is a kind of porous material, and it has highly developed pore structure, has macropore, mesopore and micropore; Loose structure provides a large amount of surface areas for it, can fully contact with air and impurity, by Van der Waals force, objectionable impurities (being mainly VOC) is fixed on to micropore surface, thereby reaches the target of removing objectionable impurities; After chemical filtrate absorption is full, will automatically separate adsorption desorption by manual type, circular regeneration is used.(2) chemical reaction absorption principle: same with Adsorption Phase, objectionable impurities enters after micropore surface, and described micropore surface is attached with specific chemical composition, can react with objectionable impurities, thereby be that harmless inorganic salts are fixed on micropore surface by impurity conversion; Chemisorbed can not produce the problem of desorption, is more conducive to that airborne poisonous and harmful is polluted to molecule and dispels; The chemical reaction process of described chemisorbed typical case dusty gas is as follows:
Nitrogen oxide (NOx) is dispelled reaction:
3NO+2KMnO
4+H
2O=3NO
2+2MnO
2+2KOH;
3NO
2+KMnO
4+2KOH=3KNO
3+MnO
2+H
2O;
Sulfur dioxide molecule (SO
2) dispel reaction:
2KOH+SO
2=K2SO
3+H
2O;
2K
2SO
3+O
2=2K
2SO
4
Chlorine Cl
2dispel reaction:
2Cl
2+4KOH=4KCl+2H
2O+O
2;
Ammonia NH
3dispel reaction:
H
3PO
4+NH
3=(NH
4)H
2PO
4
Chemical filtrate in described chemical filter, can be used more than 1 year conventionally.
3, the attraction of 4 pairs of air of blower fan and compression stress transmit: 4 pairs of roughing efficiency air filters 2 of described blower fan and chemical filtering section A3 are attractive, by the High Rotation Speed of described blower fan 4, under the effect of paddle, air is attracted from the octahedral shape blinds of wind inlet section, and under attraction force acts, make air pass through roughing efficiency air filter 2 and chemical filtering section A3; When air is by after described blower fan 4, on described blower fan 4, be provided with air draft paddle, the revolving force of air will further be increased, further described air is compressed, and in seal cavity, obtain higher compression ratio, force air under compression force continuously, enter into described chemical filtering section B5, after described chemical filtering section B5, the further compressed pressure of described air is by described medium effeciency filter 6, final described air is cleaned, and enters better purifying space at the octahedral shape blinds of unique wind outlet section process air-out blinds 8.
4, cylinder chemical filtering process: described chemical filtering section B5 is provided with cylinder and filters module 15, described cylinder filters module 15 and is comprised of a plurality of cylinder filters 14, as Fig. 5, Fig. 6, Fig. 7, shown in Fig. 9, described cylinder filter 14 is columnar structured, comprise filter inwall 17, chemistry filtrate, filter outer wall 18, fixed bolt 19, gasket seal 20, filter base 21, filter cover 22, described chemical filtrate is arranged between described filter inwall 17 and filter outer wall 18, the tubular structure that described filter inwall 17 and filter outer wall 18 are different-diameter, in socket mode, pass through fixed bolt 19, by described filter base 21 and described filter cover 22, gasket seal 20 is assembled into one.
Described cylinder filters in module 15, and described module framework 16 is screwed on the chemical filtering section B5 of described chemical filtration unit; In described module framework 16, be provided with the air admission hole of cylinder filter 14, described air admission hole is provided with the fixing hole of three fixed bolts 19 around, described cylinder filter 14 is placed in described module framework 16, rotate described cylinder filter 14, by three fixed bolts 19, described cylinder filter 14 is fixed in described module framework 16; On three double-screw bolts of described cylinder filter 14, be equipped with a gasket seal 20, between described cylinder filter 14 and described module framework 16, by the gasket seal 20 on cylinder filter 14, seal; Described filter inwall 17 all adopts the bending of punching web plate to form with described filter outer wall 18, described filter inwall 17 is all curling with described filter outer wall 18 is that after cylinder, spot-welded forms, and between described filter inwall 17 and described filter outer wall 18, loads chemical filtrate; Described filter base 21 is fixedly connected with by welding manner with described filter outer wall 18, described filter base 21 adopts spot welding mode to be fixedly connected with described filter inwall 17, between described filter inwall 17 and described filter outer wall 18, use rivet, between described filter cover 22 and filter outer wall 18, use screw to be fixedly connected with.
The through hole of air-flow module framework 16 enters cylinder filter 14 inner sides, by filter inwall 17 mesh, enters chemical filter material layer, and after fully contacting with the chemical filtrate in inside, by outer wall mesh, gets rid of.
Described cylinder filters 4,8,16 three kinds of modules 15 minutes, adopts 16 cylinders to filter module 15 structures in the utility model; Cylinder filter 14 external diameter 145mm described in each, internal diameter 87mm, length is three kinds of specification: 250mm, 450mm, 600mm; Nonstandard length is customizable.
The filtrate amount of fill ft of described 250mm specification cylinder filter 14
3/ ft
2draught area: 0.41; Resistance is 120Pa@1.5m/s; The filtrate amount of fill ft of described 450mm specification cylinder filter 14
3/ ft
2draught area: 0.61; Resistance is 120Pa@2.6m/s; The filtrate amount of fill ft of described 600mm specification cylinder filter 14
3/ ft
2draught area: 0.81; Resistance is 120Pa@3.6m/s.
5, dispelling of PM2.5 fine particle: as shown in Figure 8, airborne dust particle, has three kinds of flow regimes, the one, along with air-flow is done inertia operation; The 2nd, do random freely-movable; The 3rd, be subject to the effect of certain electric field or magnetic field force and move; In dust particle motion process, when the particle in motion bumps against barrier, described particle and barrier Surface Contact, the Van der Waals force existing between described particle and barrier surface molecular bonds together described particle and barrier; Airborne pollution dust particle is under described blower fan compression force, by inertia motion or random motion under wind-force effect, enter into described medium effeciency filter, described fine particle contacts with filtrate or filter cloth in medium effeciency filter according to principle of inertia and diffusion principle, and wherein fine particle more than PM2.5 is hunted down.Described middle effect, inferior high efficiency filter, can be used 6 months above replacings once conventionally.
Described frequency converter 10 can be controlled blower fan 4 rotating speeds, and then regulates airfiltering air quantity.
Described just effect, middle effect functional section are provided with described differential pressure indicator 11, in order to monitor described just effect, medium effeciency filter service condition, provide filter replacement foundation.
Power cord box 12 is in order to connect power supply, and described power supply is used three-phase 380V, 50hz distribution.
The utility model standard device separate unit air quantity reaches 1700 cubes ms/h.
The utility model use capable of being combined, the size of better purifying space and room air situation as required, available according to spatial volume rate of ventilation 6-12 times; For example, 200 square metres, 3 meters of high rooms, volume is 600 cubic metres, air regime is poor, select 12 ventilations, self-circulation type aerochemistry filter plant need to provide 600*12=7200 cube of m/h air quantity, can be at the self-circulation type chemical filtration unit of the accurate model of indoor layout 7200/1700=4.23 ≈ 5 station symbol.
The overall work principle of described chemical filtration unit: provide air quantity by carrying blower fan, attraction and compression stress kinetic energy are provided; By homogenizing plate, make the air of suction evenly enter filter, by primarily efficient filter, dispel PM10, two sections of chemical filterings are dispelled chemical gas, as chemical gas such as SO2, NOx, formaldehyde, VOC; Through medium effeciency filter, dispel PM2.5, make room air under the purification of chemical filtration unit, improve air quality, reach the best effect of dispelling, finally obtain clean air.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: design can independently be placed in indoor self-circulation type aerochemistry filter plant, use cold-rolled steel sheet electrostatic plastic spraying material, manufacture processing request low, separate unit low cost of manufacture; Indoor filter plant only needs to provide power supply, can directly be in place, and equipment is installed simple; Air is carried out to filtration, purification, can effectively dispel PM10, PM2.5 particle, and SO
2, the chemical gas such as NOx, formaldehyde, VOC; Self-circulation type air quantity is large, to room air, can realize good filtration, has solved the effectively problem to indoor air purification of new wind filtration system; Installation, dilatation conveniently, by increasing number of units, improve filtration, purification ability, have solved the effectively problem to indoor air purification of new wind filtration system, meeting spatial and purification grade other requirements at the higher level.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.