CN113367419A

CN113367419A - Breathing mask for killing bacteria and viruses

Info

Publication number: CN113367419A
Application number: CN202010114543.1A
Authority: CN
Inventors: 黎奇凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2021-09-10

Abstract

The invention belongs to the technical field of sanitary protective articles, and particularly relates to a breathing mask for killing bacteria and viruses. The breathing passage of the mask is provided with a sterilizing tank, and the purpose of preventing respiratory diseases from spreading and popularizing is achieved by killing viruses and bacteria passing through the sterilizing tank. It has a sterilizing tank for killing virus and bacteria in the air, in the sterilizing tank the foam porous sterilizing material soaked with sterilizing liquor is filled, and the foam porous sterilizing material soaked with sterilizing liquor can be used for adsorbing and killing bacteria and virus in the air spray and aerosol. The anti-virus mask has small breathing resistance and high efficiency of killing bacteria and viruses, and the foam porous sterilizing material can be taken out for cleaning, burning and sterilizing and can be soaked in the sterilizing liquid again for reuse. The mask can protect healthy people from being infected by virus and bacteria in air droplets, prevent virus and bacteria-carrying droplets exhaled by a patient during breathing from polluting air, and can be reused.

Description

Breathing mask for killing bacteria and viruses

Technical Field

The invention belongs to the technical field of sanitary protective articles, and particularly relates to a mask for killing viruses and bacteria in inhaled and exhaled air and purifying the respiratory air.

Background

The mask works in a filtering mode, viruses and bacteria in the air are blocked on the mask through filtering interception and electrostatic adsorption, but the viruses and the bacteria are accumulated on the surface of the mask in high density and become the most dangerous infection source. Moreover, the viruses and bacteria exhaled by the patient and the virus carrier accumulate at high density on the surface of the mask, and are finally sprayed into the air, which causes air pollution. Air with viruses and bacteria is diffused in hospitals and public places, and enters the bodies of healthy people from eyes, so that epidemic diseases are caused. Therefore, there is a need in the world for a mask which can kill viruses and bacteria in the exhaust gas exhaled by a patient and viruses and bacteria in the air inhaled by a healthy person, and a mask which can purify the breathing air in front of the mouth and nose of the user.

Disclosure of Invention

The invention aims to provide a mask which can kill viruses and bacteria in a breathing passage, prevent healthy people from being infected by the viruses and bacteria in the air and prevent the viruses and bacteria exhaled by a patient from polluting the air. But also a reusable mask.

The basis of the invention is as follows:

1. the virus has no cell membrane, and is very fragile with bacteria outside human body, so that the virus is easily killed by various disinfection solutions.

2. As long as a hydrophilic and oleophilic sterilization material with a large specific surface area is used, all dust, spray, bacteria and viruses in the breathing air can be adsorbed as long as the air flow channel in the sterilization tank is narrow, bent and long enough.

3. The bacteria and viruses in the air can be ensured to be killed in the sterilizing tank only by soaking the foam porous sterilizing material with a disinfectant which can efficiently kill the bacteria and viruses causing epidemic situation. [ the disinfectant solution with low volatility, low irritation and no obvious damage to health should be selected. Such as a saturated solution of sodium bicarbonate or potassium permanganate. "C (B)

4. The foam porous sterilizing material with large specific surface area is used for adsorbing virus and bacteria, and the respiratory resistance is smaller than that of the filter membrane with fine filtration. Can ensure that the user breathes smoothly.

In order to achieve the purpose, the invention provides a respiratory mask for killing viruses and bacteria, which is realized by the following technical scheme:

a breathing mask for killing bacteria and viruses comprises a mask body and a fixing band and is characterized in that the mask body comprises a sterilizing tank, and foam porous sterilizing materials are filled in the sterilizing tank.

The foam porous sterilizing material is soaked in a disinfectant.

Two kinds of the disinfectant are provided, one kind is oleophilic, such as a sodium hydroxide solution, and is used for adsorbing and killing oleophilic viruses and bacteria; the second one is hydrophilic, such as potassium permanganate solution, and is used for adsorbing and killing hydrophilic virus and bacteria.

The sterilization tank is divided into an air inlet channel and an air outlet channel by a partition plate, and an air inlet one-way valve is arranged at the inlet of the air inlet channel to ensure that the air inlet channel is unblocked only during air suction; the outlet of the air outlet channel is provided with an air outlet one-way valve, so that the air outlet channel is ensured to be smooth only during expiration, and the situation that the exhaust gas exhaled from the sterilizing tank is inhaled again can be avoided.

The inner side of the sterilizing tank is provided with a dustproof spunbonded fiber layer which can finally filter harmful substances of the screen.

The inner side of the sterilization tank, which is close to the mouth and the nose, is provided with a porous inner cover for fixing components in the sterilization tank.

In the case of such a face mask,

1. the foam porous sterilizing material soaked by the disinfectant can kill bacteria and viruses in the air and decompose harmful gases in the air in the ways of adsorption, decomposition and killing.

2. The disinfectant can be liquid such as sodium bicarbonate or potassium permanganate which can kill bacteria and viruses, and the sodium bicarbonate or potassium permanganate can also decompose main harmful gases such as sulfur dioxide and nitric oxide in haze: SO2+ NaOH = NaSO3+ H2O, 5SO2+2KMnO4+2H2O = K2SO4+2MnSO4+2H2SO 4.

3. The foam porous sterilizing material adopts foam porous ceramic particles with large specific surface area or foam porous activated carbon sponge. The large enough ventilation section can be ensured, the breathing resistance is reduced, the contact specific surface area of the sterilization material and the air can be increased, and the air inlet flow channel is narrow, tortuous and long; is convenient for better adsorbing and killing bacteria and viruses in the spray and the aerosol in the air and decomposing harmful gases.

4. If a transparent and sealed eye protection window is arranged above the face mask of the sterilizing tank, bacteria, viruses and harmful gases can be prevented from invading from eyes.

6. The inner side of the sterilizing tank is provided with a porous inner cover. The foam porous ceramic sterilization material can be conveniently put in and taken out; the sterilization materials can be conveniently washed, and the disinfection solution can be soaked again; the use cost is conveniently reduced, and the device can be repeatedly used.

Therefore, the mask can kill bacteria and viruses exhaled by virus carriers, prevent air pollution, kill viruses and bacteria possibly contained in the air breathed by healthy people, and can be detached, washed and reused, thereby achieving the aim of the invention.

Drawings

FIG. 1 is a side cross-sectional schematic view of an embodiment mask.

Fig. 2 is a top view of an embodiment mask.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to fig. 1 and 2.

Fig. 1 is a schematic side sectional view of an embodiment of a respiratory mask for killing viruses and bacteria, and fig. 2 is a top view of the mask of the embodiment. A breathing mask for killing bacteria and viruses comprises a mask body 1 and a fixing band 2 and is characterized in that a sterilization tank 3 is arranged in the mask body 1, and a foam porous sterilization material 4 is filled in the sterilization tank 3. The foam porous sterilizing material 4 is soaked in a sterilizing liquid. The disinfectant is a lipophilic disinfectant, such as sodium hydroxide solution, and is used for adsorbing and killing lipophilic viruses and bacteria. The second one is hydrophilic disinfectant solution, such as potassium permanganate solution, for adsorbing and killing hydrophilic virus and bacteria. The sterilizing tank 3 is divided into an air inlet channel 5 and an air outlet channel 6 by a partition plate. An inlet check valve 8 is arranged at the inlet of the air inlet channel 5, so that the air inlet channel 5 is ensured to ventilate only during air suction; an air outlet one-way valve 9 is arranged at the outlet of the air outlet channel 6, so that the air outlet channel 6 can be ventilated only during expiration. This prevents the exhaust air from the sterilization tank 3 from being inhaled again. The inner side of the sterilization tank 3 is provided with a dustproof spun-bonded fiber layer 10 which can finally filter harmful substances of the leakage net. The inner side of the sterilizing tank 3, close to the mouth and nose, is provided with a porous inner cover 11 for fixing the components in the sterilizing tank.

The specific technical indexes of the face mask for killing bacteria and preventing virus are that according to the national standard GB 2626-2006, the cross-sectional area of the sterilization can is square 8 × 10 and the length is 0.05m, the foam porous sterilization material can be foam porous ceramic, the granularity of the particles is as follows: d90 is more than 0.5mm and less than 2 mm. Porosity is more than 50%, and porosity is more than 50 nm. The specific surface area is more than 10 square meters per gram. Under the air flow of 85L/min, the respiratory resistance is less than 350Pa, and the expiratory resistance is less than 250 Pa. The dustproof spunbonded fiber layer has the fiber diameter of 1-10 mu m.

According to the above-described embodiments, since the number of the gaps of the ceramic foam particles is large although small, the resulting breathing resistance is small; the dustproof spunbonded fiber layer has large ventilation area and small breathing resistance; the breathing is smooth by adopting the exhaust check valve. The interstitial channels of the foamed porous ceramic particles are complex, and inhaled air droplets, aerosols and PM2.5 particles travel along narrow, tortuous and long channels and are easier to contact with obstacles than short and straight channels. The disinfectant such as sodium bicarbonate, potassium permanganate and the like on the foamed porous ceramic particles can be easily adsorbed by the foamed porous ceramic particles, and bacteria and viruses can be killed. The foam porous ceramic particles can be conveniently taken out, washed, burned and disinfected; then soaking the disinfectant, thereby being convenient for repeated use.

The mask for killing bacteria and viruses can kill bacteria and viruses in the respiratory air. Not only can prevent healthy people from being infected by virus and bacteria in the air, but also can prevent the virus and bacteria exhaled by the patients from polluting the air; but also ensures smooth breathing, can be repeatedly used and reduces the use cost. The performance of the antibacterial agent can play a great role in epidemic situation of respiratory infectious diseases.

The invention is described above by way of example with reference to the accompanying drawings. It is obvious that the implementation of the present invention is not limited by the above-mentioned manner, and it is within the protection scope of the present invention to adopt various modifications of the method concept and technical scheme of the present invention, or to directly apply the concept and technical scheme of the present invention to other occasions without modification.

Claims

1. The utility model provides an exterminate breathing mask of bacterium, virus, includes the face guard body (1) and fixed band (2), its characterized in that: the mask body (1) comprises a sterilization tank (3), and the sterilization tank (3) is filled with a foam porous sterilization material (4).

2. The mask according to claim 1, wherein: the foam porous sterilizing material (4) is soaked in a disinfectant.

3. The mask according to claim 1, wherein: the sterilizing tank (3) is divided into an air inlet channel (5) and an air outlet channel (6) by a partition plate (7).

4. A mask as claimed in claim 3, wherein: and an inlet of the air inlet channel (5) is provided with an air inlet one-way valve (8).

5. A mask as claimed in claim 3, wherein: an outlet one-way valve (9) is arranged at the outlet of the outlet channel (6).

6. The mask according to claim 1, wherein: the inner side of the sterilizing tank (3) is provided with a dustproof spunbonded fiber layer (10).

7. The mask according to claim 1, wherein: the inner side of the sterilizing tank (3) close to the mouth and the nose is provided with a porous inner cover (11).