CN103381321B - A kind of air purifying filter core and preparation method thereof - Google Patents

Abstract

A kind of air purifying filter core and preparation method thereof, is characterized in that being made up of the raw material of following weight portion: ethylene-methyl acrylate copolymer (EMA 1125AC) 14-16, activated carbon powder 38-45, magnesium hydroxide 2-4, calcium hydroxide 3-5, carbonic hydroammonium 6-9, ammonium chloride 4-5, the two hard esteramides 4-6 of ethylene group, stearic acid monoglyceride 8-10, dimethicone 4-6, sodium alginate 2-3, modified alta-mud 35-45.The removal rate that material for core provided by the invention can realize heavy metal reaches more than 99%, and the clearance rate of the TVOC such as formaldehyde, benzene reaches more than 95%, and degerming antibiotic rate is up to 99%.The outstanding advantages such as the present invention has that purification efficiency is high, high temperature resistant, the pressure loss is little, micronic dust in corrosion-resistant, long service life, removing air.

Description

A kind of air purifying filter core and preparation method thereof

Technical field

The invention belongs to filtering material technical field, specifically a kind of air purifying filter core and preparation method thereof.

Background technology

Filtering material purposes is very extensive, is widely used in the industry such as chemical industry, electric power, metallurgy, oil, electronic apparatus, machinery; Modal have air filter for automobile, for filtering the air entering engine, being stopped by the mechanical admixture compositions such as the particle in air, particulate, preventing these compositions from entering in gasoline, diesel oil or machine oil, ensure engine work.A large amount of filtering materials is also had to be used for air handling system, present ambient air pollutes very serious, high risks health, air filting material can by the various deleterious particle thing absorption of air, prevent the life or the working environment that enter people, reduce human lung to the suction of the harmful substances such as particle, improve the quality of life of people, reduce the generation of disease.Some is for water filtration and sewage disposal, for separating of the heavy metal in water or harmful components.Existing filtering material mainly contains ceramic honey comb, filter paper, steel wire etc.Existing honeycomb ceramic filter material feedstock joins function singleness, can not meet the requirement of technology development.

Summary of the invention

The object of this invention is to provide a kind of air purifying filter core and preparation method thereof.

The technical solution adopted in the present invention is:

A kind of air purifying filter core, is characterized in that being made up of the raw material of following weight portion:

Ethylene-methyl acrylate copolymer (EMA 1125AC) 14-16, activated carbon powder 38-45, magnesium hydroxide 2-4, calcium hydroxide 3-5, carbonic hydroammonium 6-9, ammonium chloride 4-5, the two hard esteramides 4-6 of ethylene group, stearic acid monoglyceride 8-10, dimethicone 4-6, sodium alginate 2-3, modified alta-mud 35-45.

Described modified alta-mud is obtained by following methods:

Bentonite is put into 520-540 DEG C of calcining 3-4 hour, take out, cooling, puts into 10-12% hydrochloric acid solution and soaks 2-3 hour, then puts into 10-12% sodium hydroxide solution and soak 1-2 hour, takes out, and cleans with pure water, dries pulverize; Add the aluminium nitride, the Dogbane Leaf of 16-18%, the alum powder of 2-3%, the zeolite powder of 2-3%, the tungsten carbide powder of 3-4% that are equivalent to bentonite weight 35-40% again, mix and blend 30-40 minute, and then spray into and be equivalent to bentonite weight 5-7%'s crosslinking agent TAC, under 12000-15000 rev/min, stir 40-50 minute, to obtain final product.

The preparation method of described air purifying filter core, is characterized in that comprising the following steps:

After each mixing of materials is even, compressing, 4-6 hour is placed in ageing, then sends into subregion sintering in car tunnel furnace, a district: 110-133 DEG C, time 150-160 minute; 2nd district: 450-480 DEG C, time 50-80 minute; 3rd district: 530-560 DEG C, time 40-60 minute; Take out after cooling, send in 60-70 DEG C of hot water and soak 1-2 days, take out and dry and get final product.

The removal rate that material for core provided by the invention can realize heavy metal reaches more than 99%, and the clearance rate of the TVOC such as formaldehyde, benzene reaches more than 95%, and degerming antibiotic rate is up to 99%.The outstanding advantages such as the present invention has that purification efficiency is high, high temperature resistant, the pressure loss is little, micronic dust in corrosion-resistant, long service life, removing air.

The present invention may be used for air handling system air filtration, also may be used for water filtration, automobile filter inhale filter can also be used for, be applicable to the place of various bad environments.

Detailed description of the invention

A kind of air purifying filter core, be made up of the raw material of following weight portion (kilogram):

Ethylene-methyl acrylate copolymer (EMA 1125AC) 14-16, activated carbon powder 38-45, magnesium hydroxide 2-4, calcium hydroxide 3-5, carbonic hydroammonium 6-9, ammonium chloride 4-5, the two hard esteramides 4-6 of ethylene group, stearic acid monoglyceride 8-10, dimethicone 4-6, sodium alginate 2-3, modified alta-mud 35-45.

Described modified alta-mud is obtained by following methods:

Bentonite is put into 520-540 DEG C of calcining 3-4 hour, take out, cooling, puts into 10-12% hydrochloric acid solution and soaks 2-3 hour, then puts into 10-12% sodium hydroxide solution and soak 1-2 hour, takes out, and cleans with pure water, dries pulverize; Add the aluminium nitride, the Dogbane Leaf of 18%, alum powder, the zeolite powder of 3%, the tungsten carbide powder of 4% of 3% that are equivalent to bentonite weight 40% again, mix and blend 30-40 minute, and then spray into and be equivalent to bentonite weight 7% crosslinking agent TAC, under 12000-15000 rev/min, stir 40-50 minute, to obtain final product.

Air purifying filter core preparation method, comprises the following steps:

After each mixing of materials is even, compressing, 4-6 hour is placed in ageing, then sends into subregion sintering in car tunnel furnace, a district: 110-133 DEG C, time 150-160 minute; 2nd district: 450-480 DEG C, time 50-80 minute; 3rd district: 530-560 DEG C, time 40-60 minute; Take out after cooling, send in 60-70 DEG C of hot water and soak 1-2 days, take out and dry and get final product.

Inventive samples important technological parameters is: heat shock resistance: 350 DEG C-20 DEG C air-cooled does not once split; Maximum operation (service) temperature 450 DEG C.The technical indicator of exhaust gas purification and treatment device is: process maximum gas temperature 250 DEG C; Trapping micronic dust efficiency >=99%; Outlet drain soot dust granule substrate concentration≤30mg/m3; The dust granules minimum grain size scope 1-10 μm caught.

Claims (1)

1. an air purifying filter core, is characterized in that being made up of the raw material of following weight portion:

Ethylene-methyl acrylate copolymer (EMA 1125AC) 14-16, activated carbon powder 38-45, magnesium hydroxide 2-4, calcium hydroxide 3-5, carbonic hydroammonium 6-9, ammonium chloride 4-5, the two hard esteramides 4-6 of ethylene group, stearic acid monoglyceride 8-10, dimethicone 4-6, sodium alginate 2-3, modified alta-mud 35-45;

Described modified alta-mud is obtained by following methods:

Bentonite is put into 520-540 DEG C of calcining 3-4 hour, take out, cooling, puts into 10-12% hydrochloric acid solution and soaks 2-3 hour, then puts into 10-12% sodium hydroxide solution and soak 1-2 hour, takes out, and cleans with pure water, dries pulverize; Add the aluminium nitride, the Dogbane Leaf of 16-18%, the alum powder of 2-3%, the zeolite powder of 2-3%, the tungsten carbide powder of 3-4% that are equivalent to bentonite weight 35-40% again, mix and blend 30-40 minute, and then spray into and be equivalent to bentonite weight 5-7%'s crosslinking agent TAC, under 12000-15000 rev/min, stir 40-50 minute, to obtain final product;

The preparation method of described air purifying filter core comprises the following steps:

After each mixing of materials is even, compressing, 4-6 hour is placed in ageing, then sends into subregion sintering in car tunnel furnace, a district: 110-133 DEG C, time 150-160 minute; 2nd district: 450-480 DEG C, time 50-80 minute; 3rd district: 530-560 DEG C, time 40-60 minute; Take out after cooling, send in 60-70 DEG C of hot water and soak 1-2 days, take out and dry and get final product.