CN106492583B - Air purifying mask - Google Patents

Air purifying mask Download PDF

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CN106492583B
CN106492583B CN201610925233.1A CN201610925233A CN106492583B CN 106492583 B CN106492583 B CN 106492583B CN 201610925233 A CN201610925233 A CN 201610925233A CN 106492583 B CN106492583 B CN 106492583B
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CN106492583A (en
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吴东海
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Gao Sheng
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Weihai Haina Baichuan Pharmaceutical Group Co ltd
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    • 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
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/16—Separation devices for cleaning ambient air, e.g. air along roads or air in cities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • 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

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  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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Abstract

The utility model provides an air purification face guard, includes the face guard body, the face guard body be used for the cover at the head, the face guard body has eye observation area, face guard body facial position and is preceding baffle and backplate, space formation cavity between preceding baffle and the backplate, preceding baffle and backplate all have the breathing through-hole of evenly arranging, the air purification filter material package is equipped with in the cavity.

Description

Air purifying mask
Technical Field
The invention relates to an air purification mask, and belongs to the field of daily life.
Background
In recent years, haze weather is more and more serious, particularly in winter, pm2.5 is seriously exceeded, the formaldehyde content of a decorated place is often exceeded, fog brings great threat to the health of people, the existing common mask adsorbent basically takes active carbon as a main material, but the adsorption and filtration effects of the active carbon on particle pollutants are limited, various organic waste gas pollutants in the atmosphere are gradually increased, the active carbon adsorbent cannot decompose and remove the pollutants, and the active carbon adsorbent has influence on human health even if adsorbed on a mask.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the air purification mask which is good in formaldehyde filtering effect and good in heat preservation performance.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an air purification face guard, includes the face guard body, the face guard body be used for the cover at the head, the face guard body has eye observation area, face guard body facial position and is preceding baffle and backplate, space formation cavity between preceding baffle and the backplate, preceding baffle and backplate all have the breathing through-hole of evenly arranging, the air purification filter material package is equipped with in the cavity.
The eye observation area is made of transparent glass.
The front and rear flaps are made of plastic.
The surface of the air purification filter material bag is provided with micropores, and the air purification filter material bag is internally provided with a modified nano filter material.
The mask body is a sealing structure.
The mask body is provided with the front baffle and the rear baffle, a cavity is formed in a gap between the front baffle and the rear baffle, the front baffle and the rear baffle are provided with breathing through holes which are uniformly distributed, the air purification filter material bag is arranged in the cavity, the ventilation strength can be guaranteed, air is purified through the purification filter material bag, the haze and formaldehyde purification effect is good, and the mask is of a sealed structure and has good cold resistance in winter.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a diagram of an air purification filter material bag.
1. Face guard body, 2, eye observation zone, 3, cavity, 4, air purification filter material package, 5, backplate, 6, preceding baffle.
Detailed Description
The invention will be further illustrated with reference to the accompanying figures 1-2 and examples.
The utility model provides an air purification face guard, includes face guard body 1, the face guard body be used for the cover at the head, the face guard body has eye observation area 2, face guard body facial position and is preceding baffle 6 and backplate 5, space formation cavity 3 between preceding baffle and the backplate, preceding baffle and backplate all have the breathing through-hole of evenly arranging, air purification filter material package 4 is equipped with in the cavity.
The eye observation area is made of transparent glass.
The front and rear flaps are made of plastic.
The surface of the air purification filter material bag is provided with micropores, and the air purification filter material bag is internally provided with purification filter materials.
The mask body is a sealing structure.
The mask body is provided with the front baffle and the rear baffle, a cavity is formed in a gap between the front baffle and the rear baffle, the front baffle and the rear baffle are provided with breathing through holes which are uniformly distributed, the air purification filter material bag is arranged in the cavity, the ventilation strength can be guaranteed, air is purified through the purification filter material bag, the haze and formaldehyde purification effect is good, and the mask is of a sealed structure and has good cold resistance in winter.
The filter material is a modified nano filter material and is used for adsorbing formaldehyde: the preparation method of the modified nano filter material comprises the following steps:
example 1
Two organic templates, namely choline chloride and hexadecyl trimethyl ammonium bromide, are prepared according to the molar ratio of 1: 3.
0.02mol of choline chloride, 0.06mol of hexadecyl trimethyl ammonium bromide, 5ml of silica sol, 0.06mol of sodium metaaluminate, 2mol/L of 12ml of sodium hydroxide solution, 24ml of 98% sulfuric acid, 0.01mol of silicon dioxide powder, 0.001mol of praseodymium nitrate, 0.001mol of cerium nitrate and 300ml of deionized water.
Step 1, firstly, ultrasonically oscillating NaAlO2, NaOH and deionized water for 3 hours in a neon atmosphere;
step 2, heating 0.06mol NaAlO2, 2 mol/L12 ml NaOH solution in oil bath at 90 ℃ under magnetic stirring, and completely dissolving in 200ml deionized water to form sodium aluminate transparent solution;
step 3, ultrasonically oscillating silica sol and sulfuric acid for 3 hours in a neon atmosphere, then dropwise adding 5ml of silica sol into sodium aluminate transparent liquid at a speed of 40 drops per minute, magnetically stirring the solution in an oil bath at 90 ℃ for heating for 2 hours, and then dropwise adding 10ml of 98% sulfuric acid into the solution at a speed of 15 drops per minute, and heating the solution in the oil bath for 2 hours to prepare gel liquid;
step 4, ultrasonically oscillating 0.02mol of choline chloride and 0.06mol of hexadecyl trimethyl ammonium bromide organic template agent under the argon atmosphere for 3 hours, and then adding the template agent into the solution; adding the mixture in 4 times, adding one fourth of the mixture in each time, and heating the mixture in a magnetic stirring oil bath for 2 hours at the temperature of 90 ℃;
step 5, pouring the solution into a reaction kettle with a polytetrafluoroethylene lining through a flow diverter, then putting the reaction kettle into a microwave reactor, raising the pressure to 250kpa at the speed of 15kap/min, raising the temperature to 180 ℃ at the speed of 25 ℃/min, and crystallizing for 48 hours in a helium atmosphere;
step 6, adding 0.01mol of silicon dioxide powder into the crystallization liquid, and heating the crystallization liquid in a magnetic stirring oil bath for 6 hours at the temperature of 90 ℃;
step 7, adjusting the pH value of the solution to be weakly acidic (the pH value is about 6-7) by using 98% sulfuric acid;
8, performing ultrasonic oscillation on 0.001mol of praseodymium nitrate and 0.001mol of cerium nitrate for 3 hours in the atmosphere of 20% of Ar, 50% of CO2 and 30% of CO, and then respectively dropwise adding the solutions into a magnetic stirring oil bath to heat for 2 hours at the temperature of 90 ℃;
step 9, pouring the solution into a reaction kettle with a polytetrafluoroethylene lining through a flow diverter, then putting the reaction kettle into a microwave reactor, raising the pressure to 550kpa at the speed of 20kap/min, raising the temperature to 450 ℃ at the speed of 25 ℃/min, and crystallizing for 12 hours in the atmosphere of 30% Ar +70% CO 2;
and step 10, filtering under a vacuum pump, removing water under a vacuum rotary evaporator, and drying at 110 ℃ in an air drying oven to obtain the nano-scale crystal Pr, Ce-Y/Beta modified filter material.
Example 2 two organic templates, choline chloride and cetyltrimethylammonium bromide, were prepared in a molar ratio of 1:1, i.e. 0.02mol choline chloride and 0.02mol cetyltrimethylammonium bromide, and the remaining raw materials were the same as in example 1, and the preparation method was the same as in example 1.
Example 3 two organic templates, choline chloride and cetyltrimethylammonium bromide, were prepared in a molar ratio of 1:2, i.e. 0.02mol choline chloride and 0.04mol cetyltrimethylammonium bromide, and the remaining raw materials were the same as in example 1, and the preparation method was the same as in example 1.
Example 4 preparation of choline chloride, cetyl trimethyl ammonium bromide two organic template agent molar ratio of 1:5, namely 0.02mol choline chloride, 0.1mol cetyl trimethyl ammonium bromide, the other raw materials and preparation method of example 1 the same.
Example 5 preparation of choline chloride, cetyl trimethyl ammonium bromide two organic template agent molar ratio of 2:1, namely 0.04mol choline chloride, 0.02mol cetyl trimethyl ammonium bromide, the other raw materials and preparation method is the same as example 1.
Example 6 two organic templates, choline chloride and cetyltrimethylammonium bromide, were prepared in a molar ratio of 3:1, i.e. 0.06mol choline chloride and 0.02mol cetyltrimethylammonium bromide, and the remaining starting materials were the same as in example 1, and the procedure was the same as in example 1.
Comparative example 1, the preparation method was the same as in example 1, except that all steps did not involve magnetic stirring.
Comparative example 2, the preparation method was the same as in example 1, except that the organic template contained only 0.02mol of choline chloride alone.
Comparative example 3, prepared in the same manner as in example 1, except that the organic template contained only 0.02mol of cetyltrimethylammonium bromide.
Comparative example 4, the same preparation method as in example 1, except that in step 8, 0.001mol of praseodymium nitrate and 0.001mol of cerium nitrate were subjected to ultrasonic oscillation for 3 hours under helium atmosphere, and then added dropwise to the above solution while heating in a magnetic stirring oil bath for 2 hours at 90 ℃.
Comparative example 5, the preparation method is the same as that of example 1, except that, in step 9, the solution is poured into a reaction kettle with a polytetrafluoroethylene lining through a flow diverter, then the reaction kettle is put into a microwave reactor, the pressure is increased to 550kpa at the speed of 20kap/min, the temperature is increased to 450 ℃ at the speed of 25 ℃/min, and crystallization is carried out for 12 hours in an oxygen atmosphere.
The effect of adsorbing methanol was evaluated and,
at 2m3In a sealed box, measuring 0.6ml of formaldehyde solution, placing the formaldehyde solution in a watch glass, placing the watch glass on one of two trays at a position of 1m in the sealed box to naturally volatilize formaldehyde, standing for 24 hours, and measuring the concentration of the formaldehyde by using formaldehyde tachymeter. After 24h, the prepared filter materials in various proportions are placed in a watch glass and placed in the other upper meter tray of the two sealed middle trays, the filter materials are exposed to air containing formaldehyde, the formaldehyde concentration is measured after one week, and then 0.4ml of formaldehyde is measured and added into the watch glass with the thickness of 1 m. A total of 12 such devices were tested together.
Table one comparison of formaldehyde adsorption for different filter materials:
Figure DEST_PATH_IMAGE001
the experimental result shows that the nano filter material prepared in the example 1 has the best formaldehyde adsorption effect, and the difference between the adsorption effects of other proportion groups and the adsorption effect of the nano filter material in the example 1 is larger, thus, the organic template agent utilizes the mol ratio of choline chloride to hexadecyl trimethyl ammonium bromide to be 1:3, 0.001mol of praseodymium nitrate and 0.001mol of cerium nitrate are subjected to ultrasonic oscillation for 3 hours in the atmosphere of 20% of Ar, 50% of CO2 and 30% of CO, then respectively dripping the solution into the reaction kettle, heating the solution for 2 hours at 90 ℃ in a magnetic stirring oil bath while dripping the solution, pouring the solution into the reaction kettle with polytetrafluoroethylene as an inner lining through a drainage device, then the reaction kettle is put into a microwave reactor to be pressurized to 550kpa at the speed of 20kap/min, the temperature is raised to 450 ℃ at the speed of 25 ℃/min, the modification factors of crystallization for 12 h' in the atmosphere of 30% Ar +70% CO2 have good effect on adsorbing formaldehyde by the filter material. The nano-scale crystal Pr, Ce-Y/Beta modified filter material has excellent formaldehyde absorption performance, and the effect of filtering haze is very outstanding, and the filter material in the embodiment 1 can reach 98% blocking rate for haze particles with the diameter of 5 microns.

Claims (4)

1. An air purification mask comprises a mask body, wherein the mask body is used for being sleeved on the head, the mask body is provided with an eye observation area, the face part of the mask body is provided with a front baffle and a rear baffle, a cavity is formed by a gap between the front baffle and the rear baffle, the front baffle and the rear baffle are provided with breathing through holes which are uniformly distributed, and an air purification filter material bag is arranged in the cavity; for adsorbing formaldehyde: the preparation method of the modified nano filter material comprises the following steps:
step 1, firstly, NaAlO is added2Performing ultrasonic oscillation on NaOH and deionized water for 3 hours in a neon atmosphere;
step 2, 0.06mol NaAlO22mol/L of 12ml NaOH solution is heated in oil bath at 90 ℃ under magnetic stirring and is completely dissolved in 200ml deionized water to form sodium aluminate transparent solution;
step 3, ultrasonically oscillating silica sol and sulfuric acid for 3 hours in a neon atmosphere, then dropwise adding 5ml of silica sol into sodium aluminate transparent liquid at a speed of 40 drops per minute, magnetically stirring the solution in an oil bath at 90 ℃ for heating for 2 hours, and then dropwise adding 10ml of 98% sulfuric acid into the solution at a speed of 15 drops per minute, and heating the solution in the oil bath for 2 hours to prepare gel liquid;
step 4, ultrasonically oscillating 0.02mol of choline chloride and 0.06mol of hexadecyl trimethyl ammonium bromide organic template agent under the argon atmosphere for 3 hours, and then adding the template agent into the solution; adding the mixture in 4 times, adding one fourth of the mixture in each time, and heating the mixture in a magnetic stirring oil bath for 2 hours at the temperature of 90 ℃;
step 5, pouring the solution into a reaction kettle with polytetrafluoroethylene as a lining through a flow diverter, then putting the reaction kettle into a microwave reactor, increasing the pressure to 250kPa at the speed of 15kPa/min, increasing the temperature to 180 ℃ at the speed of 25 ℃/min, and crystallizing for 48 hours in a helium atmosphere;
step 6, adding 0.01mol of silicon dioxide powder into the crystallization liquid, and heating the crystallization liquid in a magnetic stirring oil bath for 6 hours at the temperature of 90 ℃;
step 7, adjusting the pH value of the solution to 6-7 by using 98% sulfuric acid;
step 8, passing 0.001mol of praseodymium nitrate and 0.001mol of cerium nitrate through 20% of Ar and 50% of CO2Performing ultrasonic oscillation for 3h in the atmosphere of 30% CO, and then respectively dropwise adding the solution into the solution while heating the solution in a magnetic stirring oil bath for 2h at 90 ℃;
step 9, pouring the solution into a reaction kettle with polytetrafluoroethylene as a lining through a flow diverter, then putting the reaction kettle into a microwave reactor, increasing the pressure to 550kPa at the speed of 20kPa/min, increasing the temperature to 450 ℃ at the speed of 25 ℃/min, and adding 30% Ar and 70% CO2Crystallizing for 12 hours in the atmosphere;
and step 10, filtering under a vacuum pump, removing water under a vacuum rotary evaporator, and drying at 110 ℃ in an air drying oven to obtain the nano-scale crystal Pr, Ce-Y/Beta modified filter material.
2. An air purifying mask as claimed in claim 1, wherein said eye viewing area is clear glass.
3. An air purifying mask as claimed in claim 2, wherein the front and rear panels are made of plastic.
4. An air purifying mask as claimed in claim 1, wherein said mask body is a sealed structure.
CN201610925233.1A 2016-10-30 2016-10-30 Air purifying mask Active CN106492583B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109603023A (en) * 2018-11-08 2019-04-12 泉州台商投资区华林设计有限公司 A kind of portable air cleaning mask being used in industrial environment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063926A (en) * 1990-04-12 1991-11-12 Donaldson Company, Inc. Respirator cartridge with sealant dispersion member
CN1173138A (en) * 1995-01-20 1998-02-11 美国3M公司 Respirator and filter cartridge
CN2650791Y (en) * 2003-09-19 2004-10-27 宋争放 Sealed protective head mask
CN101415467A (en) * 2006-03-31 2009-04-22 3M创新有限公司 Full face respiratory protection device
CN201256642Y (en) * 2008-08-07 2009-06-17 崔艳明 Multifunctional mask
CN204601417U (en) * 2015-05-12 2015-09-02 李杭 A kind of haze helmet
CN105142734A (en) * 2013-03-15 2015-12-09 斯科特科技公司 Reconfigurable full facemask having a cartridge module for respiratory protection

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063926A (en) * 1990-04-12 1991-11-12 Donaldson Company, Inc. Respirator cartridge with sealant dispersion member
CN1173138A (en) * 1995-01-20 1998-02-11 美国3M公司 Respirator and filter cartridge
CN2650791Y (en) * 2003-09-19 2004-10-27 宋争放 Sealed protective head mask
CN101415467A (en) * 2006-03-31 2009-04-22 3M创新有限公司 Full face respiratory protection device
CN201256642Y (en) * 2008-08-07 2009-06-17 崔艳明 Multifunctional mask
CN105142734A (en) * 2013-03-15 2015-12-09 斯科特科技公司 Reconfigurable full facemask having a cartridge module for respiratory protection
CN204601417U (en) * 2015-05-12 2015-09-02 李杭 A kind of haze helmet

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