CN105561705A - Air pollutant disposal device and method - Google Patents

Abstract

The invention discloses an air pollutant disposal device. The air pollutant disposal device comprises a water tank, a catalysis device, an exhaust pipeline and an air feed pipeline. A preset volume of water exists in the water tank, air in a room is led into the part under the water surface of the water tank by the exhaust pipeline, and air in the water tank is fed into the room by the air feed pipeline. The catalysis device is located under the water surface of the water tank. According to the disposal device, the water capable of circulating is used as a main body for air cleaning, inhalable particles and large particles in the air are insoluble in the water and can settle naturally in the water, secondary pollution to the air can be avoided, and the air can make sufficient contact with the water in the water; meanwhile, pollutants in the air are decomposed by the catalysis device, and then the air is further purified. Compared with an existing air purification device, the disposal device can achieve a good air purification effect without causing secondary pollution. The invention further discloses an air pollutant disposal method.

Description

Air pollutant treatment device and treatment method

technical field

The invention relates to the technical field of air purification, in particular to a treatment device and method for air pollutants.

Background technique

At present, air pollution is becoming more and more serious, which has seriously affected people's health. Air purification devices can absorb, decompose or transform various air pollutants, effectively improve air cleanliness, and are more and more popular among people.

Existing air purification technologies include dry purification and wet purification. The more commonly used method is dry purification. Dry purification mainly includes various filter screens built in layers to filter, absorb dust, odors, and toxic gases. Dust directly accumulates on the filter screen and other devices. Long-term accumulation will block the air pores on the filter screen and affect the filtering effect of the air. The dust accumulated on the filter screen will become a breeding body for bacteria and form secondary pollution. The existing filter screens generally cannot be cleaned and can only be replaced, which increases the use cost of the air purifier. Wet purification is the way of washing with water, which imitates the spraying of rain, and the water falls in the form of points or lines. The air to be purified cannot fully contact with the water, and the purification effect is poor.

Therefore, how to design an air purification technology with good purification effect and no secondary pollution is a technical problem urgently needed by those skilled in the art.

Contents of the invention

The object of the present invention is to provide a treatment device for air pollutants, which has a good purification effect on air and does not produce secondary pollution. Another object of the present invention is to provide a method for treating air pollutants.

In order to achieve the above technical purpose, the present invention provides a treatment device for air pollutants, including a water tank, a catalytic device, an exhaust duct, and an air supply duct; there is a predetermined volume of water in the water tank, and the exhaust duct divides the indoor The air in the water tank is introduced under the water surface of the water tank, and the air supply pipe sends the air in the water tank into the chamber; the catalytic device is located under the water surface of the water tank.

Optionally, one end of the exhaust duct communicates with the upper part of the chamber, and the port at the other end is located under the water surface of the water tank; one end of the air supply duct communicates with the top of the water tank, and the other end communicates with the interior of the chamber. The lower part is connected.

Optionally, the port of the exhaust pipe located under the water surface is provided with a porous flow divider, and an exhaust device is arranged in the exhaust pipe, and the air exhaust device allows the air in the room to pass through the The exhaust duct and the porous flow divider enter the water tank under the water surface.

Optionally, a temperature and humidity adjustment module is provided in the air supply duct, and the temperature and humidity adjustment module can change the temperature and/or humidity of the air sent into the room.

Optionally, the catalytic device is one or more of ultraviolet lamps, ozone generators, nano-catalyst nets, and high-energy ion generating devices.

Optionally, the volume of the water tank is 0.5%-1% of the volume of the chamber, and the volume of water in the water tank is 70%-90% of the volume of the water tank.

Optionally, the water tank is provided with a drain port and a water replenishment port.

Optionally, a pH value detector is provided in the water tank.

Optionally, a balance valve is also provided on the top of the water tank.

The present invention also provides a treatment method for air pollutants, comprising the following steps:

S1, passing the indoor air into the water equipped with a catalytic device;

S2, sending the air washed and purified by the catalytic device back to the room.

The treatment device for air pollutants provided by the present invention comprises a water tank, a catalytic device, an air exhaust duct and an air supply duct; there is a predetermined volume of water in the water tank, and the air exhaust duct introduces indoor air into the water surface of the water tank, and the air supply duct will The air in the water tank is sent into the chamber; the catalytic device is located under the water surface of the water tank.

The exhaust pipe of the treatment device can introduce the indoor air into the water of the water tank. After the gas enters the water, the particles and dust in the gas can be precipitated in the water to clean the air. Gas pollutants are decomposed and purified to form water-soluble substances or non-polluting gases and substances. In addition, when bacteria and other microorganisms in water pass through the catalytic device, they will be inactivated and precipitated.

The treatment device uses recyclable water as the main body of air cleaning. The inhalable particles and large particles in the air are insoluble in water and can be naturally precipitated in water without secondary pollution to the air. The air in the water can be fully mixed with water. At the same time, the catalytic device decomposes the pollutants in the air and further purifies the air. Compared with the existing air purification devices, this processing device will not produce secondary pollution and can also obtain better air quality. Purifying effect.

The present invention also provides a method for treating air pollutants. Firstly, the air in the room is passed into the water provided with the catalytic device, and then the air washed with water and purified by the catalytic device is sent back to the room. The treatment method does not produce secondary pollution, and can obtain better purification effect.

Description of drawings

Fig. 1 is a schematic structural view of a specific embodiment of an air pollutant treatment device provided by the present invention;

Fig. 2 is a flow chart of the air pollutant treatment method provided by the present invention.

Wherein, the corresponding relationship between the reference numerals and component names in Fig. 1 is as follows:

Water tank 1; drain port 11; water supply port 12; balance valve 13;

catalytic device 2;

Exhaust duct 3; porous flow divider 31; exhaust device 32;

Air supply duct 4; temperature and humidity adjustment module 41.

detailed description

The core of the present invention is to provide a treatment device for air pollutants, which has a good purification effect on air and does not produce secondary pollution. Another core of the present invention is to provide a treatment method for air pollutants.

In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 , which is a structural schematic diagram of a specific embodiment of an air pollutant treatment device provided by the present invention.

In a specific embodiment, the present invention provides a treatment device for air pollutants, comprising a water tank 1, a catalytic device 2, an exhaust duct 3 and an air supply duct 4; there is a predetermined volume of water in the water tank 1, and the exhaust The air duct 3 introduces indoor air under the water surface of the water tank 1, and the air supply duct 4 sends the air in the water tank 1 into the room; the catalytic device 2 is located under the water surface of the water tank 1.

The exhaust pipe 3 of the treatment device can introduce the indoor air into the water of the water tank 1. After the gas enters the water, the particles and dust in the gas can be precipitated in the water to clean the air and remove the inhalable particles and large particles in the air. At the same time, the water is also provided with a catalytic device 2, which can decompose and purify the gaseous pollutants in the water, and can decompose polluting gases such as organic gases, nitrogen oxides, ammonia sulfides, and make it form water-soluble substances or non-toxic Polluted gases and substances; in addition, microorganisms such as bacteria in the water float in the water, and when they pass through the catalytic device 2, they will be inactivated and then precipitated. The cleaned and purified gas overflows from the water, so that the pressure of the gas in the water tank 1 increases, and then the gas passes through the air supply pipe 4 to send the purified air back into the room.

The treatment device uses recyclable water as the main body of air cleaning, and the inhalable particles and large particles in the air can be naturally deposited in the water without causing secondary pollution to the air; during the whole process, the air can fully contact with the water, The purification effect is better; at the same time, the catalytic device 2 decomposes the pollutants in the air, further purifies the air, and obtains a better air purification effect. Compared with the existing air purification device, the treatment device not only has better purification effect, but also does not produce secondary pollution.

In a preferred embodiment, one end of the exhaust duct 3 communicates with the upper part of the room, and the port at the other end is located under the water surface of the water tank 1; one end of the air supply duct 4 communicates with the top of the water tank 1, and the other end communicates with the lower part of the room.

Exhaust duct 3 extracts air from a high position in the room, and after purification, it is sent to a low position in the room through the air supply duct 4, so that the indoor air flows upwards, and the cleaned air gradually moves upwards to improve the indoor air. The exhaust pipe 3 and the air supply pipe 4 form a gas circulation between the room and the water tank 1, so that the air in the room is purified during the circulation of the gas.

In a further specific embodiment, the port of the exhaust duct 3 located under the water surface is provided with a porous flow divider 31, and the exhaust duct 3 is provided with an exhaust device 32, and the exhaust device 32 allows indoor air to pass through the exhaust duct 3 and the porous The flow divider 31 enters under the water surface of the water tank 1 .

When the air in the room enters the water in the water tank 1 through the exhaust pipe 3, it passes through the porous flow divider 31, which has a plurality of air hole shunt passages, and the gas can be shunted when passing through, so that the gas can be fully dispersed in the water, increasing the The contact area between gas and water ensures full contact between gas and water and improves the cleaning effect of air.

An exhaust device 32 is arranged in the exhaust duct 3, and the exhaust device 32 can be a fan, an exhaust fan or the like that can extract indoor air. Specifically, the air exhaust device 32 can be selected according to the volume of the room, so that the air exhaust device 32 can extract air from the room according to a certain air volume for purification.

In another further embodiment, the air supply duct 4 is provided with a temperature and humidity adjustment module 41, and the temperature and humidity adjustment module 41 can change the temperature and/or humidity of the air sent into the room.

The purified air overflows from the water, and then is sent back to the room through the air supply duct 4. During the process of being sent back to the room, the temperature and humidity of the air are adjusted through the temperature and humidity adjustment module 41 in the air supply duct 4 to make the air The temperature and humidity meet the comfortable needs, so that the clean and comfortable air can be returned to the room, and the indoor temperature and humidity needs are taken into account while the indoor air is circulated and purified.

In each of the above specific embodiments, the catalytic device 2 is one or more of an ultraviolet lamp, an ozone generator, a nano-catalyst net, and a high-energy ion generating device.

The ultraviolet lamp tube and the ozone generator have a sterilizing effect, which can inactivate the bacteria in the air sent into the water, and the bacterial debris can settle with dust and particles to the bottom. At the same time, the light of the ultraviolet lamp can excite the active catalytic oxidizer on the nano-catalyst net, and catalytically decompose the VOC gas in the air sent into the water into carbon dioxide and water.

The high-energy ion generating device can generate high-energy ions in water, driven by the activity of water molecules, to continuously capture non-settled dust particles and bacteria in the water tank 1, and further accelerate the accumulation and settlement of dust particles and the inactivation rate of bacteria.

Specifically, different catalytic devices can decompose different air pollutants. The types of catalytic devices are not limited to the above-mentioned devices. The catalytic devices placed in water are selected according to the specific needs of air purification. The air is purified.

In a specific embodiment, the volume of the water tank 1 is 0.5%-1% of the volume of the room, and the volume of water in the water tank 1 is 70%-90% of the volume of the water tank 1 .

The volume of the water tank 1 of the treatment device is in a certain proportion to the volume of the indoor air, and all the air in the room can be purified within a certain period of time. The preferred solution is that the volume of the water tank 1 is 0.5% to 1% of the indoor volume, For example, in a room of about 100 cubic meters, with an area of 33 square meters and a height of 3 meters, a water tank 1 of 1 cubic meter can be configured to purify the indoor air.

There is a certain amount of air in the water tank 1. One solution is that the volume of the water in the water tank 1 is 70% to 90% of the volume of the water tank 1. When the purified air overflows from the water, the pressure of the air part of the water tank 1 increases, thereby making the The evolved air is sent back indoors through the air supply duct 4 under the effect of pressure.

In another specific embodiment, the water tank 1 is provided with a drain port 11 and a water replenishment port 12 .

After the treatment device cycles and evolves the air for many times, the dust and particles will settle in the water, resulting in a certain amount of sediment in the water; in addition, the catalytic device will decompose the pollutants and dissolve the substances in the water, which will change the pH value of the water. Therefore, after a period of circulation, the water in the water tank 1 can be replaced, a certain amount of water is discharged through the water outlet 11 , and then a certain amount of water is replenished through the water supply port 12 . When the sediment in the water tank 1 reaches a certain amount or when the pH value of the water reaches a certain standard, the water in the water tank 1 is replaced.

In addition, the hydrogen peroxide solution can also be replenished regularly through the water supply port 12 . Hydrogen peroxide has strong oxidizing properties, which can enhance the bactericidal effect in the water tank 1, and further maintain the cleanliness in the water tank. In addition, the hydrogen peroxide can be used to protect the surface of the catalytic device 2 without accumulating dust and mud, which will not affect the catalytic effect and continuous response effect. Moreover, the hydrogen peroxide solution has no secondary pollution and can be directly discharged into the municipal sewage pipe network.

In another specific implementation manner, a pH value detector can be set in the water tank 1 .

The PH value detector can detect the PH value of the water in the water tank 1. When the PH value of the water reaches the predetermined value, it will remind you to replace the water in the water tank 1 to ensure that the water in the water tank 1 does not exceed the dischargeable standard and will not cause environmental pollution. Secondary pollution.

In another specific embodiment, a balance valve 13 is also provided on the top of the water tank 1 .

The overflow of purified air from the water will increase the pressure of the gas in the water tank. If the speed of the gas overflowing from the water is faster, the air supply pipe 4 will deliver air to the room at a slower rate, which will cause the pressure in the water tank 1 to continuously rise. High, in order to ensure the safety of the water tank 1, a balance valve 13 is provided to avoid potential safety hazards in the water tank 1 due to excessive pressure.

Please refer to FIG. 2 , which is a flow chart of the method for treating air pollutants provided by the present invention.

The present invention also provides a treatment method for air pollutants, comprising the following steps:

Step S1, passing the indoor air into the water provided with a catalytic device;

Step S2, sending the air washed with water and purified by the catalytic device back into the room.

This treatment method uses recyclable water as the main body of air cleaning, sends indoor air into a water tank equipped with a catalytic device according to a certain air volume, and sends it back to the room after being washed and catalyzed. , the temperature and humidity of the air can be adjusted according to the comfort requirements of the indoor temperature and humidity, so that clean and comfortable air can be returned to the room. The invention utilizes the principle of particle dust precipitation in water and the catalytic decomposition technology of polluted gas to obtain indoor clean air without generating secondary pollution.

The air pollutant treatment device and treatment method provided by the present invention have been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (10)

1. a treating apparatus for air pollutants, is characterized in that, comprises water tank (1), catalytic unit (2), exhaust duct (3) and air supply duct (4); The water of predetermined is had in described water tank (1), the air of indoor is introduced the underwater of described water tank (1) by described exhaust duct (3), and the air in described water tank (1) is sent into described indoor by described air supply duct (4); Described catalytic unit (2) is positioned at the underwater of described water tank (1).

2. the treating apparatus of air pollutants as claimed in claim 1, it is characterized in that, described exhaust duct (3) one end is communicated with the top of described indoor, and the port of the other end is positioned at the underwater of described water tank (1); Described air supply duct (4) one end is communicated with the top of described water tank (1), and the other end is communicated with the bottom of described indoor.

3. the treating apparatus of air pollutants as claimed in claim 2, it is characterized in that, described exhaust duct (3) is positioned at described undersurface described port and is provided with porous current divider (31), be provided with air exhausting device (32) in described exhaust duct (3), described air exhausting device (32) makes the air of described indoor enter the underwater of described water tank (1) by described exhaust duct (3) and described porous current divider (31).

4. the treating apparatus of air pollutants as claimed in claim 2, it is characterized in that, be provided with temperature and humidity regulation module (41) in described air supply duct (4), described temperature and humidity regulation module (41) can change temperature and/or the humidity of the air sending into described indoor.

5. the treating apparatus of the air pollutants as described in any one of Claims 1-4, is characterized in that, described catalytic unit (2) is ultraviolet lamp tube, one or more in ozone generator, nano-catalyst net, energetic ion generating means.

6. the treating apparatus of air pollutants as claimed in claim 5, it is characterized in that, the volume of described water tank (1) is 0.5% ~ 1% of the volume of described indoor, and the volume of the water in described water tank (1) is 70% ~ 90% of the volume of described water tank (1).

7. the treating apparatus of air pollutants as claimed in claim 6, it is characterized in that, described water tank (1) is provided with discharge outlet (11) and water supplement port (12).

8. the treating apparatus of air pollutants as claimed in claim 7, it is characterized in that, described water tank is provided with PH value detector in (1).

9. the treating apparatus of air pollutants as claimed in claim 8, it is characterized in that, the top of described water tank (1) is also provided with balanced valve (13).

10. a processing method for air pollutants, is characterized in that, comprises the following steps:

S1, passes into the air of indoor and is provided with in the water of catalytic unit;

S2, sends the air through washing and catalytic unit purification back to indoor.