CN105771428B - One kind can one-time formed catalyst foaming activity charcoal air filtering core and preparation method - Google Patents

One kind can one-time formed catalyst foaming activity charcoal air filtering core and preparation method Download PDF

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CN105771428B
CN105771428B CN201610250948.1A CN201610250948A CN105771428B CN 105771428 B CN105771428 B CN 105771428B CN 201610250948 A CN201610250948 A CN 201610250948A CN 105771428 B CN105771428 B CN 105771428B
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air filtering
activity charcoal
filtering core
time formed
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CN105771428A (en
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黄贤明
吴耀辉
宋英强
李明仁
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Runner Xiamen Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous 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
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/30—Porosity of filtering material

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  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

The present invention disclose one kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：5 20 parts of 100 parts of resol, 5 20 parts of curing agent, 28 parts of anion surfactant, 10 40 parts of the initial agent of cold catalyst and foaming agent.Can one-time formed catalyst foaming activity charcoal air filtering core preparation method invention additionally discloses one kind.The invention enables interconnected open cell porous structure is produced in air filtering core, so as to improve air purification effect.

Description

One kind can one-time formed catalyst foaming activity charcoal air filtering core and preparation method
Technical field
Air filtration technical field of the present invention, referring in particular to one kind can one-time formed catalyst foaming activity charcoal air filtering core And preparation method.
Background technology
Activated carbon is widely used in air purification field, generally mixes active powdered carbon with adhesive, and thermoforming resists The preferable bar of Compressive Strength.The forming method of the active carbon stick can divide into extrusion molding and sintering process：Extrusion molding uses single spiral shell The components such as the active powdered carbon of mixing, adhesive and the initial agent of cold catalyst are fed extruder by bar extruder, and usual active powdered carbon accounts for 70% to 95%, it is heated into tubular extruded, after cooling cut producing；Rule is sintered by active powdered carbon, the adhesive of mixing And the component such as initial agent of cold catalyst is poured into metal die, sintering furnace sintering is inserted, mould is then taken out, mould is opened after cooling Produce.
Wherein, the active carbon stick compression strength that prepared by extrusion molding is preferable, it is difficult to adsorption hole is formed in active carbon stick so that Impurity is simply adsorbed on the surface of active carbon stick, it is difficult to which into inside active carbon stick, adsorption effect is poor.Work prepared by sintering process Property carbon rod, its active powdered carbon blocked by adhesive fusing it is less, formed with hole in active carbon stick, however, the hole is mostly closed pore, Impurity cannot be introduced into closed pore, and impurity is still difficult to enter inside active carbon stick, and adsorption effect is still poor.
The content of the invention
It is an object of the invention to provide one kind can one-time formed catalyst foaming activity charcoal air filtering core and preparation method, So that interconnected open cell porous structure is produced in air filtering core, so as to improve air purification effect.
To reach above-mentioned purpose, solution of the invention is：
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 100 parts of phenolic resin, curing agent 5-20 parts, anion surfactant 2-8 parts, the initial agent 10-40 parts of cold catalyst and foaming agent 5-20 parts.
Further, the viscosity of resol is 2000-4000Pas at 25 DEG C.
Further, curing agent is hydrochloric acid, sulfuric acid, phosphoric acid, phenol sulfonic acid, toluene sulfonic acide or its mixed acid.
Further, anion surfactant is neopelex, poly alkyl alcohol chloroethene alkene ether sulphate, secondary alkane In base sodium sulfonate, Fatty acid methyl ester ethoxylate sulfonates, MES, poly alkyl alcohol vinyl chloride ether carboxylate One or more are used in combination.
Further, the initial agent of cold catalyst is potassium permanganate, palladium or rhodium.
Further, foaming agent is freon, chlorinated hydrocabon or pentane.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, by resol that mass fraction is 100 parts, the anion surfactant of 2-8 parts, 5-20 parts hair The initial agent stirring and emulsifying of the cold catalyst of infusion and 10-40 parts；
Two, by the resol after emulsification, anion surfactant, foaming agent and the initial agent of cold catalyst and quality Number mixes for the curing agent of 5-20 parts, and is poured into the mould after preheating, hot briquetting phenol formaldehyde foam and depanning.
Further, in addition to carbonization：Filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 5-15 DEG C/min programming rate rises to 250-300 DEG C, is incubated 20-40min, then rise to 10-15 DEG C/min programming rate 500-600 DEG C, 20-40min is incubated, is cooled to normal temperature.
Further, in addition to activation step：Non-activated catalyst foaming charcoal after shaping is impregnated in into mass fraction is In 20%-40% KOH solution, 2-24 hours, filter core is taken out and in vacuum or inert gas environment, temperature is 100-200 DEG C Lower drying and dewatering；Then filter core is placed in temperature under 600-800 DEG C of environment, to activate 30-60min；Pickling, hot water wash and steaming again Distilled water is washed and dried.
Further, pickling is the hydrochloric acid or sulfuric acid that mass concentration is 10%-30%, using the method for immersion rinse.
Further, the rotating speed stirred in step 1 is 60-300r.min-1, emulsification times 10-15min；Mixed in step 2 The conjunction time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
After such scheme, the present invention adds anion surfactant 2-8 parts, anion in air filtering core component Surfactant may advantageously facilitate formation of foam perforate micropore, and the effect of anion surfactant is the bubble in later stage foaming Collision merges, and the drop that can break parcel foaming agent in foaming process serves as demulsifier, delays the foaming agent gas of evaporation It is slow to be escaped from inside to outside from drop, interconnected open cell porous structure is produced after solidification.Formed and be interconnected in air filtering core Open cell porous structure so that impurity is easily accessible inside air filtering core, adsorption effect enhancing, improve detergent power.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment one
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 5 parts of 100 parts of phenolic resin, 5 parts of toluene sulfonic acide, 3 parts of neopelex, 40 parts of potassium permanganate and pentane.Wherein, The viscosity of resol is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 5 parts of pentane, 3 parts of neopelex for being 100 parts by mass fraction And 40 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, pentane and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating for 5 parts of toluene sulfonic acides, hot briquetting antibacterial foaming activity charcoal air filtering core is simultaneously Depanning.Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment one, its percent opening is 78.6%, and dimethylbenzene clearance is 87%, and activated carbon iodine number is 856.
Embodiment two
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 6 parts of 100 parts of phenolic resin, 5 parts of toluene sulfonic acide, 4 parts of neopelex, 30 parts of potassium permanganate and pentane.Wherein, The viscosity of resol is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 6 parts of pentane, 4 parts of neopelex for being 100 parts by mass fraction And 35 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, pentane and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating for 5 parts of toluene sulfonic acides, hot briquetting antibacterial foaming activity charcoal air filtering core is simultaneously Depanning.Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment two, its percent opening is 82.5%, and dimethylbenzene clearance is 89%, and activated carbon iodine number is 1050.
Embodiment three
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 7 parts of 100 parts of phenolic resin, 5 parts of sulfuric acid, 5 parts of neopelex, 30 parts of potassium permanganate and pentane.Wherein, first rank phenol The viscosity of urea formaldehyde is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 7 parts of pentane, 5 parts of neopelex for being 100 parts by mass fraction And 30 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, pentane and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning for 5 parts of sulfuric acid. Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 10 DEG C/min programming rate 300 DEG C are risen to, is incubated 30min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 12 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment three, its percent opening is 86.1%, and dimethylbenzene clearance is 88%, and activated carbon iodine number is 1098.
Example IV
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 5 parts of 100 parts of phenolic resin, 7 parts of toluene sulfonic acide, 6 parts of neopelex, 40 parts of potassium permanganate and pentane.Wherein, The viscosity of resol is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 5 parts of pentane, 6 parts of neopelex for being 100 parts by mass fraction And 40 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, pentane and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating for 7 parts of toluene sulfonic acides, hot briquetting antibacterial foaming activity charcoal air filtering core is simultaneously Depanning.Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In example IV, its percent opening is 85.3%, and dimethylbenzene clearance is 92%, and activated carbon iodine number is 1065.
Embodiment five
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 6 parts of 100 parts of phenolic resin, 6 parts of sulfuric acid, 3 parts of SAS, 20 parts of potassium permanganate and freon.Wherein, first rank phenolic aldehyde tree The viscosity of fat is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 6 parts of freon, 3 parts of SAS and 20 for being 100 parts by mass fraction The potassium permanganate stirring and emulsifying of part；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, it is 6 by the resol after emulsification, SAS, freon and potassium permanganate and mass fraction The sulfuric acid mixing of part, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning.Mixing Time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment five, its percent opening is 81.8%, and dimethylbenzene clearance is 85%, and activated carbon iodine number is 998.
Embodiment six
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 6 parts of 100 parts of phenolic resin, 8 parts of sulfuric acid, 7 parts of neopelex, 30 parts of potassium permanganate and freon.Wherein, first rank phenol The viscosity of urea formaldehyde is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 6 parts of freon, 7 parts of neopelex for being 100 parts by mass fraction And 30 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, freon and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning for 8 parts of sulfuric acid. Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment six, its percent opening is 82.4%, and dimethylbenzene clearance is 90%, and activated carbon iodine number is 1021.
Embodiment seven
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 8 parts of 100 parts of phenolic resin, 9 parts of toluene sulfonic acide, 5 parts of neopelex, 40 parts of potassium permanganate and freon.Wherein, The viscosity of resol is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 8 parts of freon, 5 parts of neopelex for being 100 parts by mass fraction And 40 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, freon and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating for 9 parts of toluene sulfonic acides, hot briquetting antibacterial foaming activity charcoal air filtering core is simultaneously Depanning.Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 10 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 10 DEG C/min programming rate, 40min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 8 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 50min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment seven, its percent opening is 87.2%, and dimethylbenzene clearance is 92%, and activated carbon iodine number is 1124.
Embodiment eight
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 5 parts of 100 parts of phenolic resin, 5 parts of phosphoric acid, 4 parts of SAS, 40 parts of potassium permanganate and pentane.Wherein, first rank phenolic aldehyde tree The viscosity of fat is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 5 parts of pentane, 4 parts of SAS and 40 for being 100 parts by mass fraction The potassium permanganate stirring and emulsifying of part；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, it is 5 by the resol after emulsification, SAS, pentane and potassium permanganate and mass fraction The phosphoric acid mixing of part, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning.Mixing Time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 500 DEG C are risen to 15 DEG C/min programming rate, 40min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 12 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 40min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment eight, its percent opening is 80.5%, and dimethylbenzene clearance is 88%, and activated carbon iodine number is 961.
Embodiment nine
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 6 parts of 100 parts of phenolic resin, 8 parts of toluene sulfonic acide, 5 parts of neopelex, 20 parts of potassium permanganate and freon.Wherein, The viscosity of resol is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 6 parts of freon, 5 parts of neopelex for being 100 parts by mass fraction And 20 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, by the resol after emulsification, neopelex, freon and potassium permanganate and mass fraction Mix, and be poured into the mould after preheating for 8 parts of toluene sulfonic acides, hot briquetting antibacterial foaming activity charcoal air filtering core is simultaneously Depanning.Incorporation time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 4 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment nine, its percent opening is 80.7%, and dimethylbenzene clearance is 87%, and activated carbon iodine number is 983.
Embodiment ten
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 5 parts of 100 parts of phenolic resin, 0 part of phosphatase 11,5 parts of SAS, 20 parts of potassium permanganate and pentane.Wherein, first rank phenolic aldehyde The viscosity of resin is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 5 parts of pentane, 5 parts of SAS and 20 for being 100 parts by mass fraction The potassium permanganate stirring and emulsifying of part；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, it is 10 by the resol after emulsification, SAS, pentane and potassium permanganate and mass fraction The phosphoric acid mixing of part, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning.Mixing Time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 30min, then 500 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 8 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment ten, its percent opening is 78.3%, and dimethylbenzene clearance is 81%, and activated carbon iodine number is 860.
Embodiment 11
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 7 parts of 100 parts of phenolic resin, 6 parts of sulfuric acid, 6 parts of SAS, 30 parts of potassium permanganate and freon.Wherein, first rank phenolic aldehyde tree The viscosity of fat is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, the resol, 7 parts of freon, 6 parts of SAS and 30 for being 100 parts by mass fraction The potassium permanganate stirring and emulsifying of part；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, it is 6 by the resol after emulsification, SAS, freon and potassium permanganate and mass fraction The sulfuric acid mixing of part, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning.Mixing Time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 30min, then 500 DEG C are risen to 15 DEG C/min programming rate, 40min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 16 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 30min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment 11, its percent opening is 81.9%, and dimethylbenzene clearance is 88%, and activated carbon iodine number is 996.
Embodiment 12
One kind can one-time formed catalyst foaming activity charcoal air filtering core, be made up of following components by mass fraction：First rank 5 parts of 100 parts of phenolic resin, 8 parts of phosphoric acid, 7 parts of dodecyl sodium sulfate, 40 parts of potassium permanganate and pentane.Wherein, first rank phenolic aldehyde The viscosity of resin is 2000-4000Pas at 25 DEG C.
One kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, comprise the following steps：
One, by mass fraction be 100 parts resol, 5 parts of pentane, 7 parts of dodecyl sodium sulfate and 40 parts of potassium permanganate stirring and emulsifying；The rotating speed of stirring is 60-300r.min-1, emulsification times 10-15min.
Two, it is 8 by the resol after emulsification, SAS, pentane and potassium permanganate and mass fraction The phosphoric acid mixing of part, and be poured into the mould after preheating, hot briquetting antibacterial foaming activity charcoal air filtering core and depanning.Mixing Time is 4-6min, and molding time 20-30min, forming temperature is 60-70 DEG C.
Three, the filter core after shaping is placed in vacuum or atmosphere of inert gases, from normal temperature with 15 DEG C/min programming rate 300 DEG C are risen to, is incubated 40min, then 600 DEG C are risen to 15 DEG C/min programming rate, 30min is incubated, is cooled to normal temperature.
Four, the filter core after shaping is impregnated in the KOH solution that mass fraction is 20% and impregnated 12 hours, takes out filter core simultaneously In vacuum or inert gas environment, temperature is drying and dewatering at 100 DEG C；Then filter core is placed in temperature under 600 DEG C of environment, to live Change 60min；Last time pickling, hot water wash and distillation are washed and dried.Pickling be the hydrochloric acid that mass concentration is 10%-30% or Sulfuric acid, using the method for immersion rinse.
In embodiment 12, its percent opening is 83.4%, and dimethylbenzene clearance is 89%, and activated carbon iodine number is 1069.
The preferred embodiments of the present invention are the foregoing is only, not the limitation of this case design, all designs according to this case are closed The equivalent variations that key is done, each fall within the protection domain of this case.

Claims (10)

1. one kind can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：Mixed by the raw material of following mass parts Charing is closed to be made：100 parts of resol, curing agent 5-20 parts, anion surfactant 2-8 parts, the initial agent of cold catalyst 10-40 parts and foaming agent 5-20 parts.
2. one kind as claimed in claim 1 can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：First rank The viscosity of phenolic resin is 2000-4000 Pa s at 25 DEG C.
3. one kind as claimed in claim 1 can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：Solidification Agent is hydrochloric acid, sulfuric acid, phosphoric acid, phenol sulfonic acid, toluene sulfonic acide or its mixed acid.
4. one kind as claimed in claim 1 can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：It is cloudy from Sub- surfactant is neopelex, poly alkyl alcohol chloroethene alkene ether sulphate, SAS, Fatty acid methyl ester It is one or more of in ethoxylate sulfonates, MES, poly alkyl alcohol vinyl chloride ether carboxylate to be used in combination.
5. one kind as claimed in claim 1 can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：It is cold to touch The initial agent of matchmaker is potassium permanganate, palladium or rhodium.
6. one kind as claimed in claim 1 can one-time formed catalyst foaming activity charcoal air filtering core, it is characterised in that：Foaming Agent is freon, chlorinated hydrocabon or pentane.
7. one kind can one-time formed catalyst foaming activity charcoal air filtering core preparation method, it is characterised in that comprises the following steps：
One, by resol that mass fraction is 100 parts, the anion surfactant of 2-8 parts, 5-20 parts foaming agent And the initial agent stirring and emulsifying of cold catalyst of 10-40 parts；
Two, by the resol after emulsification, anion surfactant, foaming agent and the initial agent of cold catalyst and mass fraction Mix, and be poured into the mould after preheating, hot briquetting phenol formaldehyde foam and depanning for the curing agent of 5-20 parts；3rd, carbonization step Suddenly：Filter core after shaping is placed in vacuum or atmosphere of inert gases, risen to from normal temperature with 5-15 DEG C/min programming rate 250-300 DEG C, 20-40min is incubated, then 500-600 DEG C is risen to 10-15 DEG C/min programming rate, is incubated 20-40min, drop Temperature is to normal temperature.
8. one kind as claimed in claim 7 can one-time formed catalyst foaming activity charcoal air filtering core preparation method, its feature It is, in addition to activation step：Non-activated catalyst foaming charcoal after shaping is impregnated in the KOH that mass fraction is 20%-40% In solution, 2-24 hours, filter core is taken out and in vacuum or inert gas environment, temperature is drying and dewatering at 100-200 DEG C；Then Filter core is placed in temperature under 600-800 DEG C of environment, to activate 30-60min；Pickling, hot water wash and distillation are washed and dried again.
9. one kind as claimed in claim 7 can one-time formed catalyst foaming activity charcoal air filtering core preparation method, its feature It is, pickling is the hydrochloric acid or sulfuric acid that mass concentration is 10%-30%, using the method for immersion rinse.
10. one kind as claimed in claim 7 can one-time formed catalyst foaming activity charcoal air filtering core preparation method, its feature It is, the rotating speed stirred in step 1 is 60-300 r.min-1, emulsification times 10-15min；Incorporation time is in step 2 4-6 min, molding time are 20-30 min, and forming temperature is 60-70 DEG C.
CN201610250948.1A 2016-04-21 2016-04-21 One kind can one-time formed catalyst foaming activity charcoal air filtering core and preparation method Expired - Fee Related CN105771428B (en)

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