CN105435734A - Combined gas purifying device - Google Patents

Combined gas purifying device Download PDF

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Publication number
CN105435734A
CN105435734A CN201510954954.0A CN201510954954A CN105435734A CN 105435734 A CN105435734 A CN 105435734A CN 201510954954 A CN201510954954 A CN 201510954954A CN 105435734 A CN105435734 A CN 105435734A
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air inlet
polymer
screen cloth
sorbing material
casing
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CN201510954954.0A
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CN105435734B (en
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翟一鸣
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Zheng Qi Bio Tech Ltd Jinan
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • 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
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • 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
    • B01D46/10—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
    • B01D46/121—V-type arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3028—Granulating, agglomerating or aggregating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3071—Washing or leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a combined gas purifying device. The device comprises an electric dedusting box and a box body, which are connected in sequence. The box body is provided with a gas inlet and a gas outlet. A two grade filtering device is arranged in the box body. The filtering device has a V shaped sieve structure. The sieve is prepared by weaving a fiber like polymer adsorbing material. The mesh number is 200 to 300. Amino phosphonic acid polystyrene coated silica gel is filled in the primary sieve. An adsorbing material, which is prepared from fly ash, active white soil, silicon dioxide, and silicate, is filled in the secondary sieve. The electric dedusting box of the combined gas purifying device can carry out electric dedusting to eliminate suspension particles in the air, the box body can absorb heavy metal ions and harmful gas in the air, moreover, the adsorbing material can be regenerated, thus the treatment cost is largely reduced, and thus the combined gas purifying device is suitable for massive popularization and application.

Description

A kind of Combined gas purifier
Technical field
The present invention relates to environmental technology field, be specially a kind of Combined gas purifier.
Background technology
Along with the development of society, environmental problem also more and more receives the concern of people, especially atmosphere pollution, haze weather in recent years also becomes the insoluble environmental issue of China, except containing except a large amount of solid dust in haze, also due to automotive emission, defective fired coal combustion and gas a variety of causes make in haze containing a large amount of heavy metal ion and organic particle, air cleaning unit on existing market can only sedimentation fraction solids dust, helpless for above-mentioned specific pollutant, and this part pollutant is the most fatal for human body, how to process these pollutants, improve air quality, become one of insoluble difficult problem of field of Environment Protection.
Summary of the invention
For above-mentioned problem demanding prompt solution, the present inventor provides a kind of Combined gas purifier, this device comprises casing, described casing is provided with air inlet and gas outlet, dual stage filter apparatus is provided with in casing, described filter is V-type mesh structure, described screen cloth adopts the braiding of fibrous polymer sorbing material to form, order number is 200-300 order, the coated silica gel of aminophosphonic acid polystyrene has been taken up in described one-level screen cloth, take up with flyash in described secondary screen cloth, atlapulgite, silica and silicate are prepared from sorbing material, after adopting this device, electric precipitation case can carry out electric precipitation to suspended particulate in air, casing then can to the heavy metal ion in air, pernicious gas carries out adsorption treatment, and sorbing material can regenerate, greatly reduce the cost of process, be particularly suitable for large-scale promotion application.
For achieving the above object, the invention provides following technical scheme:
A kind of Combined gas purifier, comprise the electric precipitation case and casing that connect in turn, dual stage filter apparatus is provided with in described casing, described filter is V-type, be made up of two-layer screen cloth, described screen cloth adopts the braiding of fibrous polymer sorbing material to form, order number is 200-300 order, take up the coated silica gel of aminophosphonic acid polystyrene in the middle of the two-layer screen cloth of described first level filtering device, taken up in the middle of the two-layer screen cloth of described two-stage filter and be prepared from sorbing material with flyash, atlapulgite, silica and silicate;
Wherein said screen cloth is with fibrous polymer sorbing material polymer, melt-spraying spinning method is adopted to become silk, Cheng Sihou makes it sequentially pass through to be equipped with the container of the pore-foaming agent of polymer quality 0.5% and the curing agent of polymer quality 0.5%, after above-mentioned process, adopt common process to be woven into screen cloth, order number is 200-300 order;
Wherein said fibrous polymer sorbing material polymer is selected from long alkyl chain methacrylates polymer or methacrylate polymer; In described long alkyl chain methacrylates, long-chain is the straight chained alkyl of C6-C18; In alkyl methacrylate, alkyl is the straight-chain hydrocarbons of C1-C6;
The coated silica gel of described aminophosphonic acid polystyrene adopts VTES and spherical silica gel to be prepared from, and wherein the specification of spherical silica gel is 140-150 order;
The sorbing material specification that described two-stage filter takes up is 80-100 order.
Described fibrous polymer sorbing material polymer is selected from lauryl methacrylate polymer or octadecyl methacrylate polymer; Described pore-foaming agent is selected from paraffin; Curing agent is selected from DCP.
Adopt the Combined gas purifier of this structure, dual stage filter apparatus is provided with in casing, described screen cloth adopts the braiding of fibrous polymer sorbing material to form, and the screen cloth that this one-tenth is grouped into, its order number is at 200-300 order, the solid dust of the overwhelming majority in air can be filtered out, and adopt long alkyl chain methacrylates polymer or methacrylate polymer melt-spraying spinning method to become silk due to screen cloth, Cheng Sihou makes it sequentially pass through to be equipped with the container of the pore-foaming agent of polymer quality 0.5% and the curing agent of polymer quality 0.5%, after above-mentioned process, adopt common process to be woven into, in above-mentioned preparation process, the use of pore-foaming agent can make above-mentioned filament have loose structure, effective increase specific area, various adsorption group does not exist only in fiber surface, also exist in a large number in micropore, accelerate filament adsorption rate and improve adsorption capacity further, thus make screen cloth except filtering function, itself also possesses adsorption treatment function, good adsorption capacity is had for the unburned component in motor-vehicle tail-gas and other chemical exhausts, and why select pore-foaming agent and the curing agent of said sequence and consumption, mainly because fibrous material finally will be woven to screen cloth, first use curing agent that the too early crosslinking curing of material can be caused to bring difficulty to the braiding in later stage, therefore curing agent process is used after selecting, and when determining the consumption of pore-foaming agent and curing agent, as excessive in pore-foaming agent consumption, cavity on fiber can be caused too many, the mesh structure intensity difference of final acquisition is difficult to the object reaching Long-Time Service, and consumption is too little, does not have the effect increasing specific area, and hardener dose crosses the screen cloth that conference causes fiber to be cross-linked seriously being difficult to obtain desirable order number, consumption is too small, can reduce the intensity of screen cloth, the order number that inventor further defines screen cloth is 200-300 order, and under this specification, other sorbing materials taken up in the middle of two-layer screen cloth just can not spill, and improve the real contact area of unit are screen cloth and gas simultaneously, obtain better treatment effect, in order to reach the requirement of melt-spraying spinning, general control long alkyl chain methacrylates polymer or methacrylate polymer molecular weight are at 1.5-1.7 ten thousand, and fusing point is 110-130 DEG C, otherwise are difficult to obtain qualified filament.
Wherein take up the coated silica gel of aminophosphonic acid polystyrene in the middle of the two-layer screen cloth of first level filtering device, it adopts VTES and spherical silica gel to be prepared from, wherein the specification of spherical silica gel is 140-150 order, and concrete preparation technology can with reference to preparation technology disclosed in prior art and the embodiment of the present invention; Adopt the coated silica gel of this aminophosphonic acid polystyrene, aminophosphonic acid polystyrene is coated on the surface of activated silica gel, improve the area contacted with gas, and this material has good adsorption effect for heavy metal ion, particularly phosphonyl group for metal biosorption effect far above other materials of the prior art, and inventor is by the specification of adjustment spherical silica gel, it is made all to improve a lot for various metal biosorption ability; Meanwhile, this coated silica gel can carry out wash-out activation by the mode of pickling, thus realizes the recycling of material, and the hydrochloric acid of 0.1M can be adopted during pickling as eluent;
Take up with flyash in the middle of the two-layer screen cloth of two-stage filter, atlapulgite, silica and silicate are prepared from sorbing material, wherein flyash is the main component in flue gas, this solid waste has been carried out deep processing as primary attachment material by inventor, by atlapulgite, silica and silicate add the rear granulating roasting of wherein mixing, finally obtain sorbing material, take flyash as skeleton, atlapulgite, silica and silicate also sinter the porcelain layer forming adsorptivity in skeleton surface attachment, in order to reach better adsorption effect, by adding the prior aries such as the mode of pore-foaming agent before roasting, the particle that granulation obtains is processed, improve the specific area of sorbing material, but due to the reason of flyash self property, himself namely can be used as pore-foaming agent to use, therefore the interpolation of pore-foaming agent not necessarily, but in order to improve the intensity of sorbing material, the binding agent as polyvinyl alcohol and so on can be added, adopt this sorbing material to join after in two-stage filter, can be further processed the gas through first level filtering device, absorption remaining solid dust and gas pollutant wherein, realizes the final process to gas, above-mentioned sorbing material is after certain hour absorption, and the mode by washing removes the impurity of absorption, then replys its activity by the mode of roasting, realizes the recycling of sorbing material,
Combined gas purifier provided by the invention, the inside bilateral symmetry of described electric precipitation case is provided with battery lead plate, described battery lead plate is fixed on the inwall of electric precipitation case by bracing frame, the outer wall of described battery lead plate is provided with vibrating motor, the bottom of described electric precipitation case is provided with dust export, described electric precipitation case is respectively equipped with air inlet and air outlet, and described air outlet is connected with blower fan by guide duct; Described casing is provided with air inlet and gas outlet, is provided with spray equipment in the casing of described first level filtering device front end, described casing lower surface to be tilted to air inlet by gas outlet and air inlet side bottom half is provided with shower water gathering-device; The tip of described filter V-type is just to air inlet;
After adopting above-mentioned design, gas enters in electric precipitation case through electric precipitation case air inlet, now the inside bilateral symmetry of electric precipitation case is provided with battery lead plate energising work, under electric field action, solid particle in gas and other charged particles can be adsorbed on battery lead plate, thus realize the rough dusting to gas; The outer wall of described battery lead plate is provided with vibrating motor, like this can to battery lead plate power-off after battery lead plate being adsorbed onto a certain amount of particle, open vibrating motor simultaneously and concussion dedusting is carried out to battery lead plate, the particle fallen then is discharged by the dust export bottom electric precipitation case, simultaneously due to the effect of Electrostatic Absorption, the particle now obtained is generally fine grained cohesion and forms convenient process; Gas after battery lead plate absorption then enters blower fan by air outlet by guide duct, sends in casing more afterwards by blower fan by gas by casing air inlet; Spray equipment in casing operationally can carry out spray operation to the gas entering casing, realize wherein not by solid particles sediment that battery lead plate adsorbs, improve the moisture in gas simultaneously, this is very important for the present invention, main cause is the screen cloth and the filling adsorption material that form filter, and when measurement of moisture content of gas is higher, adsorption effect is better, higher than the adsorption effect to dry gas, by the mode of this spray, the adsorption efficiency of whole device greatly can be improved; And bottom half be provided with shower water gathering-device can will shower water collect filter after reuse; With another difference of the prior art, filter of the present invention is exactly V-type, and the tip of V-type is just to air inlet, after adopting this structure, gas with filtering means touch after namely split into upper and lower two parts, and shunting after gas fully can contact with screen cloth in traveling process, compared with overlapped way in prior art, there is better flowing and adsorption effect, and make distribution of gas more even, process more abundant.
Horn mouth is in order to reach air inlet and air inlet described in better effect, better can control air flow method like this, spy is in electric precipitation case air inlet, can better by the place of distribution of gas to close battery lead plate, thus reduce the energy consumption of battery lead plate, improve treatment effeciency.
Gas treatment equipment provided by the invention, can be used alone, also can with other gas treatment equipment couplings of this area to obtaining better effect.
Compared with prior art, after adopting this device, electric precipitation case can carry out electric precipitation to suspended particulate in air, casing then can carry out adsorption treatment to the heavy metal ion in air, pernicious gas, and sorbing material can regenerate, greatly reduce the cost of process, be particularly suitable for large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of Combined gas purifier of the present invention;
1 be casing, 2 be spray equipment in figure, 3 be screen cloth, 4 for first level filtering device, 5 be two-stage filter, 6 be gas outlet, 7 be shower water gathering-device, 8 for air inlet, 9 is dust mouth, 10 be electric precipitation case, 11 is battery lead plate, 12 is vibrating motor, 13 is guide duct, 14 is air outlet, 15 is bracing frame, 16 for air inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is clearly and completely described.
Embodiment 1
A kind of Combined gas purifier, comprises the electric precipitation case 10 and casing 1 that connect in turn, is provided with dual stage filter apparatus 4 and 5 in described casing 1,
The inside bilateral symmetry of described electric precipitation case 10 is provided with battery lead plate 11, described battery lead plate 11 is fixed on by bracing frame 15 on the inwall of electric precipitation case 10, the outer wall of described battery lead plate 11 is provided with vibrating motor 12, the bottom of described electric precipitation case 10 is provided with dust export 9, described electric precipitation case 10 is respectively equipped with air inlet 16 and air outlet 14, described air outlet 14 is connected with blower fan by guide duct 13;
Described casing 1 is provided with air inlet 8 and gas outlet 6, spray equipment 2 is provided with in the casing of described first level filtering device front end, described casing 1 lower surface to be tilted to air inlet 8 by gas outlet 6 and air inlet 8 side bottom half is provided with shower water gathering-device 7, and the tip of described filter V-type is just to air inlet 8;
Described fan outlet is connected with the air inlet 8 on casing 1; Described air inlet 16 and air inlet 8 are horn mouth;
Described filter 4 and 5 is V-type, be made up of two-layer screen cloth 3, described screen cloth 3 adopts fibrous polymer sorbing material to weave and forms, order number is 200-300 order, take up the coated silica gel of aminophosphonic acid polystyrene in the middle of the two-layer screen cloth of described first level filtering device 4, taken up in the middle of the two-layer screen cloth of described two-stage filter 5 and be prepared from sorbing material with flyash, atlapulgite, silica and silicate;
Wherein said screen cloth 3 is with fibrous polymer sorbing material polymer, melt-spraying spinning method is adopted to become silk, Cheng Sihou makes it sequentially pass through to be equipped with the container of the pore-foaming agent of total polymer mass 0.5% and the curing agent of total polymer mass 0.5%, after above-mentioned process, adopt common process to be woven into screen cloth, order number is 200-300 order;
Wherein said fibrous polymer sorbing material polymer is selected from octadecyl methacrylate polymer, and its molecular weight is at 1.5-1.7 ten thousand, and fusing point is 110-130 DEG C; Described pore-foaming agent is selected from paraffin; Curing agent is selected from DCP;
The coated silica gel of described aminophosphonic acid polystyrene adopts VTES and spherical silica gel to be prepared from, and wherein the specification of spherical silica gel is 140-150 order; Concrete preparation technology is as follows:
Take 50g spherical silica gel in the three-necked bottle of 500mL drying, add 70mL VTES successively, 200mL heavily steams toluene, under nitrogen protection room temperature mechanical stirring reaction 12h.Filter out solid, with absolute ethyl alcohol extracting 24h, then more than vacuum drying 48h at 50 DEG C, the obtained silane coupled silica gel SG-C=C of product ethylene base oxethyl;
Take 25gSG-C=C in the four-hole bottle of 500mL drying, add 35mL styrene successively, 0.65g polyvinylpyrrolidone, 25mL distilled water and 100mL absolute ethyl alcohol, under nitrogen protection after mechanical agitation dispersion 3h, be warming up to 70 DEG C, azodiisobutyronitrile constant voltage separatory funnel is slowly added drop-wise in four-hole bottle, 90min dropwises, and then reacts 6h; Product boils repeatedly through toluene, use toluene, absolute ethyl alcohol successively extracting 12h after hot suction filtration again, 50 DEG C of more than vacuum drying 48h, the obtained coated silica gel SG-PS of product polystyrene;
Take 20gSG-PS in the three-necked bottle of 250mL drying, add the dense HNO of 100mL 3, temperature controls below 10 DEG C, under rapid mixing conditions, continues slowly to drip the dense H of 100mL 2sO 4, in whole process, system temperature is no more than 10 DEG C; Be warming up to 30 DEG C after dropwising, reaction 12h, product water is washed till neutrality, dry at 80 DEG C, the obtained coated silica gel SG-PS-NO of product nitro polystyrene 2;
Get the dense HCl of 250mL in the three-necked bottle in 500mL drying, tail gas passes in water, and oil bath is heated to 60 DEG C, adds 40g and analyzes pure tin grain; Add 15.0gSG-PS-NO afterwards 2, continue to be warming up to 100 DEG C, reaction 24h; Product is used distilled water successively, and 10% (m/V) NaOH solution, is washed to neutrality, then washes 3 times with absolute ethyl alcohol, vacuum drying 24h at 36 DEG C, the obtained coated silica gel SG-PS-NH of product aminopolystyrene 2;
Take 9.0gSG-PS-NH 2in the three-necked bottle of 250mL drying, 12h is soaked under adding 80mL absolute ethyl alcohol room temperature, again respectively to wherein adding 10g paraformaldehyde, 28g phosphorous acid and 100ml concentrated hydrochloric acid, stirring and refluxing 10h, the NaOH solution of product 1mol/L is washed 3 times, be washed to neutrality afterwards, make resin go to Hydrogen for several times with the salt acid elution of 1mol/L again, be washed to neutrality more afterwards, by washed with methanol three times, vacuum drying at least 48h at 50 DEG C, obtains the coated silica gel of end product aminophosphonic acid polystyrene.The coated silica gel of aminophosphonic acid polystyrene that employing said method prepares compared with prior art, all has good adsorption effect for each metal ion species.
Described cascade filtration fills the sorbing material taken up and adopts acquisition with the following method:
Mix in the ratio of flyash 95g, atlapulgite 18g, ground silica 35g, polysilicate 9g, send into granulation in comminutor afterwards, obtain the particle that particle size range is 1-3 millimeter, above-mentioned particle is joined in 25g water and suspends, add 4g polyvinyl alcohol afterwards, be uniformly mixed 6 hours final vacuums and filter, send into after filtrate natural air drying in roaster, control temperature is 300-330 DEG C, and roasting time controls, at 5 hours, can obtain sorbing material; By sorbing material prepared by above-mentioned technique, because flyash large usage quantity also exists as pore-foaming agent except as except framework material, thus make the final sorbing material obtained become the spherical ceramic adsorbent particle of porous, improve adsorption efficiency; The above-mentioned sorbing material specification of general control is 80-100 order;
Combined gas purifier disclosed in the present embodiment is adopted to carry out purified treatment to gathering the air of (air pollution index is greater than 400) outdoor, through analyzing the composition of air before and after process, after finding process, heavy metal ion content declines more than 99%, PM10 index decreased 99%, PM2.5 index decreased 97%, substantially increases the quality of air.
Embodiment 2
A kind of Combined gas purifier, comprises the electric precipitation case and casing that connect in turn, is provided with dual stage filter apparatus in described casing,
The inside bilateral symmetry of described electric precipitation case is provided with battery lead plate, described battery lead plate is fixed on the inwall of electric precipitation case by bracing frame, the outer wall of described battery lead plate is provided with vibrating motor, the bottom of described electric precipitation case is provided with dust export, described electric precipitation case is respectively equipped with air inlet and air outlet, and described air outlet is connected with blower fan by guide duct;
Be provided with dual stage filter apparatus in described casing, casing be provided with air inlet and gas outlet, the tip of described filter V-type is just to air inlet; Described fan outlet is connected with the air inlet on casing; Described air inlet and air inlet are horn mouth;
Described dual stage filter apparatus is V-type, be made up of two-layer screen cloth, described screen cloth adopts the braiding of fibrous polymer sorbing material to form, order number is 200-250 order, take up the coated silica gel of aminophosphonic acid polystyrene in the middle of the two-layer screen cloth of described first level filtering device, taken up in the middle of the two-layer screen cloth of described two-stage filter and be prepared from sorbing material with flyash, atlapulgite, silica and silicate;
Described fibrous polymer sorbing material preparation method is identical with embodiment 1, and adopt lauryl methacrylate polymer, its molecular weight is 1.6 ten thousand, and fusing point is 115 DEG C; Described pore-foaming agent is selected from paraffin; Curing agent is selected from DCP;
The described coated silica gel of aminophosphonic acid polystyrene adopts the coated silica gel of preparation in embodiment 1;
The sorbing material taken up in the middle of the two-layer screen cloth of described two-stage filter is adopted and is obtained with the following method:
Mix in the ratio of flyash 80g, atlapulgite 14g, ground silica 13g, polysilicate 15g; send into granulation in comminutor afterwards; obtain the particle that particle size range is 4-6 millimeter; above-mentioned particle is joined in 20g water and suspends, add 4g starch afterwards, be uniformly mixed 6 hours final vacuums and filter; filtrate 130 DEG C of vacuum dryings were sent in roaster after 2 hours; control temperature is 300-310 DEG C, and roasting time controls, at 6 hours, can obtain sorbing material.

Claims (5)

1. a Combined gas purifier, comprise the electric precipitation case (10) and casing (1) that connect in turn, it is characterized in that: in described casing (1), be provided with dual stage filter apparatus (4) and (5), described filter is V-type, be made up of two-layer screen cloth (3), described screen cloth adopts the braiding of fibrous polymer sorbing material to form, order number is 200-300 order, the coated silica gel of aminophosphonic acid polystyrene has been taken up in the middle of described first level filtering device (4) two-layer screen cloth, take up with flyash in the middle of the two-layer screen cloth of described two-stage filter (5), atlapulgite, silica and silicate are prepared from sorbing material,
Wherein said screen cloth (3) is with fibrous polymer sorbing material polymer, melt-spraying spinning method is adopted to become silk, Cheng Sihou makes it sequentially pass through to be equipped with the container of the pore-foaming agent of polymer quality 0.5% and the curing agent of polymer quality 0.5%, after above-mentioned process, adopt common process to be woven into screen cloth, order number is 200-300 order;
Wherein said fibrous polymer sorbing material polymer is selected from long alkyl chain methacrylates or alkyl methacrylate; In described long alkyl chain methacrylates, long-chain is the straight chained alkyl of C6-C18; In alkyl methacrylate, alkyl is the straight-chain hydrocarbons of C1-C6;
The coated silica gel of described aminophosphonic acid polystyrene adopts VTES and spherical silica gel to be prepared from, and wherein the specification of spherical silica gel is 140-150 order;
It is 80-100 order that described cascade filtration fills the sorbing material specification taken up.
2. Combined gas purifier according to claim 1, it is characterized in that: the inside bilateral symmetry of described electric precipitation case (10) is provided with battery lead plate (11), described battery lead plate (11) is fixed on the inwall of electric precipitation case (10) by bracing frame (15), the outer wall of described battery lead plate (11) is provided with vibrating motor (12), the bottom of described electric precipitation case (10) is provided with dust export (9), described electric precipitation case (10) is respectively equipped with air inlet (16) and air outlet (14), described air outlet (14) is connected with blower fan by guide duct (13),
Described casing (1) is provided with air inlet (8) and gas outlet (6), be provided with spray equipment (2) in the casing of described first level filtering device front end, described casing (1) lower surface to be tilted to air inlet (8) by gas outlet (6) and air inlet (8) side bottom half is provided with shower water gathering-device (7);
Described fan outlet is connected with the air inlet (8) on casing (1).
3. Combined gas purifier according to claim 1, is characterized in that: the tip of described filter V-type is just to air inlet (8).
4. Combined gas purifier according to claim 1, is characterized in that: described fibrous polymer sorbing material polymer is selected from lauryl methacrylate polymer or octadecyl methacrylate polymer; Described pore-foaming agent is selected from paraffin; Curing agent is selected from DCP.
5. Combined gas purifier according to claim 2, is characterized in that: described air inlet (16) and air inlet (8) are horn mouth.
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Cited By (5)

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CN108031235A (en) * 2017-12-15 2018-05-15 山东佳星环保科技有限公司 A kind of removal device of indoor formaldehyde
CN110743705A (en) * 2019-09-29 2020-02-04 吕浩 Automatic mixing and collecting process for new nano material
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