CN2829736Y

CN2829736Y - Gas purifier

Info

Publication number: CN2829736Y
Application number: CN 200520106554
Authority: CN
Inventors: 李忠汉; 裵周汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-31
Filing date: 2005-08-31
Publication date: 2006-10-25
Anticipated expiration: 2015-08-31

Abstract

The utility model discloses a gas purifier. The gas purifier comprises a gas inlet chamber, a neutralization chamber and a gas outlet chamber, wherein the gas inlet chamber and the gas outlet chamber are not communicated; the gas inlet chamber is provided with a high-temperature gas inlet pipe; the gas inlet chamber is communicated with the neutralization chamber through a gas inlet which is arranged on the neutralization chamber; the gas outlet chamber is communicated with the neutralization chamber through a gas outlet which is arranged on the neutralization chamber; filtering agent is arranged inside the neutralization chamber; the gas outlet chamber is provided with a water isolation device and a gas outlet pipe which is communicated with outside; the water isolation device is arranged on a gas flowing passage between the gas outlet and the gas outlet pipe. The utility model not only can eliminate fine dust of 0.1 mum or less in gas, but also can purify various harmful gas in air, which ensures the purifying degree of exhausted gas; the gas purifier has the advantages of simple structure, convenient installation, no special final-period management, less investment and low running cost. The utility model can be used as a substitute of a dust collecting device which is used by a conventional thermal power station, incineration equipment, commerce, families, etc.

Description

Gas purification device

Technical Field

The utility model relates to a gaseous purification product in the environmental protection field especially relates to a small dust in the purified gas and harmful gas's gaseous purifier.

Background

While the industry is greatly developed, pollutants discharged from factories are also generated, and the natural environment on which people live is seriously damaged by atmospheric pollution. Dust collectors, which remove these airborne solid or liquid particles, are typically installed in the plant's chimneys to prevent the emission of soot and other particles into the air. The traditional dust gas treatment generally adopts equipment such as a filter type dust collector, an electronic dust collector, a fine type dust collector, a gravity type dust collector and the like, but due to technical limitation, particulate harmful substances such as dioxin and harmful gases such as carbon monoxide, hydrocarbon and Nitrogen Oxide (NO) in the gas_x) Etc. cannot be completely eliminated. In addition, with the conventional dust collecting technique, since fine dust and particles of the polluted gas are made to flow with the air flow from 1 μm or less, even if they are separated from the polluted gas, the fine dust is mixed into the purified air and is discharged therewith. For such particulate harmful substances and harmful gases, only purification equipment containing a catalyst is currently used for treatment, but such equipment is expensive and expensive to operate.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a gas purification device which can eliminate the tiny dust and harmful gas in the gas simultaneously.

In order to achieve the purpose, the utility model discloses a gas purification device, which comprises an air inlet chamber, a neutralization chamber and an exhaust chamber, wherein the air inlet chamber is not communicated with the exhaust chamber; the air inlet chamber is provided with a high-temperature gas inlet pipe, the air inlet chamber is communicated with the neutralizing chamber through an air inlet arranged on the neutralizing chamber, the exhaust chamber is communicated with the neutralizing chamber through an air outlet arranged on the neutralizing chamber, the neutralizing chamber is internally provided with a filtering agent, the exhaust chamber is provided with a water isolating device and an exhaust pipe communicated with the outside, and the water isolating device is arranged on a gas flow channel between the air outlet and the exhaust pipe.

Furthermore, a water tank is arranged and is positioned below the air inlet chamber and the neutralizing chamber, and a part of the air inlet is positioned in the water tank.

Furthermore, the filtering agent is a plurality of plastic balls, each plastic ball comprises a hollow cylinder in the middle and an external circular ring, the axis of each cylinder is perpendicular to the radial direction of the corresponding circular ring and passes through the circle center of the corresponding circular ring, and a plurality of connecting ribs are arranged between the corresponding cylinder and the corresponding circular ring.

Further, the basin is provided with drain pipe, inlet tube and perspective window.

Compared with the prior art, the utility model discloses not only can clear away the slight dust below 0.1 mu m in the gas, still various harmful gas in the air-purifying simultaneously has guaranteed the purification degree of exhaust gas, is favorable to environmental protection, and this equipment investment is few, simple structure, simple to operate does not need special later stage management, and the operation expense is low.

Drawings

FIG. 1 is a schematic structural diagram of a gas purification device according to the present invention;

fig. 2 is a schematic structural view of the filtering agent of fig. 1.

Detailed Description

In fig. 1, an air inlet chamber 2, a neutralization chamber 3, and an exhaust chamber 4 are arranged in parallel in the upper part of a chamber 1, and a water tank 5 is arranged in the lower part of the chamber 1. The upper end of the neutralization chamber 3 is connected with the top of the cavity 1 through a partition 35, a part of the lower end is immersed in the water tank 5, the front side and the rear side are respectively connected with the inner surface of the cavity 1, a plurality of filtering agents 18 are filled in the neutralizing chamber 3, the neutralizing chamber 3 is provided with an air inlet 32 and an air outlet 33, the air inlet 32 and the air outlet 33 are both provided with a separation net, to prevent the filtering agent 18 from scattering out of the neutralizing chamber 3, an air inlet 32 is provided at a position slightly above the bottom of the neutralizing chamber 3, an air outlet 33 is provided at a position slightly below the topof the neutralizing chamber 3, the air inlet 32 is directed to one side of the air inlet chamber 2 and a part of the air inlet 32 is located in the water tank 5, the outlet 33 faces the exhaust chamber 4, and the neutralizing chamber 3 is divided into two spaces sealed from each other by itself and the water tank 5, the inlet chamber 2 and the exhaust chamber 4 on both left and right sides. The air inlet chamber 2 is provided with a high-temperature gas inlet pipe 21, and the air inlet chamber 2 is communicated with the neutralization chamber 3 through an air inlet 32. An exhaust pipe 41 communicated with the outside is arranged above the exhaust chamber 4, a water isolating device 42 is arranged between the exhaust pipe 41 and the exhaust port 33 of the neutralization chamber 3, the water isolating device 42 is a plurality of pipes with small holes, two ends of each pipe are respectively connected with the outer surface of the neutralization chamber 3 and the inner surface of the cavity 1, one end of each pipe connected with the cavity 1 is communicated with an outside water source, and water sprayed from the small holes on each pipe forms a water curtain on a gas channel between the exhaust port 33 and the exhaust pipe 41. The water tank 5 is provided with a water supply pipe 51, a perspective window 52 and a drain pipe 53, the water supply pipe 51 is connected with an external water source, the drain pipe 53 is positioned at the middle lower part of the water tank 5, and one end of the drain pipe 53 is communicated with the outside.

As shown in figures 1 and 2, two similar semi-spheres are staggered and connected together to form a neutralization chamber 3, the filtering agent 18 in the neutralization chamber 3 is spherical made of plastic materials, the filtering agent 18 comprises a cylinder 181 with a hollow middle part, a ring 182 is arranged in the middle of the outer part of the cylinder 181, the radial direction of the ring 182 is vertical to the axis of the cylinder 181, the axis of the cylinder 181 passes through the center of the ring 182, and the cylinder 181 and the ring 182 are connected together by a plurality of connecting ribs 183.

When the high-temperature gas containing fine dust and various harmful gases or industrial exhaust gas is treated by a conventional purifying device in operation, large-particle dust in the gas is effectively removed, but the fine dust with the particle size of less than 0.1 mu m and various harmful gases exist in the gas. The temperature of the gas containing fine dust and various harmful gases is kept at a high temperature of 250-700 ℃ before entering the device, the high temperature gas firstly enters the gas inlet chamber 2 through the gas inlet pipe 21, and because the gas inlet chamber 2 is a closed chamber, the high-temperature gas can enter the neutralizing chamber 3 only through the gas inlet 32 of the neutralizing chamber 3, and when the high-temperature gas moves in the neutralizing chamber 3, the harmful gas in the high-temperature gas and the filtering agent 34 in the neutralizing chamber 3 are subjected to neutralization reaction and are converted into harmless gas, then the harmless gas enters the exhaust chamber 4 through the gas outlet 33 at the upper part of the neutralization chamber 3, passes through the water curtain between the gas outlet 33 and the exhaust pipe 41 of the exhaust chamber 4, under the action of the water curtain, the fine dust in the gas enters the water tank 5 along with the water, thereby removing the fine dust in the gas, the purified gas free of harmful gases and fine dusts is then discharged through the gas discharge pipe 41.

In the working process, the temperature of the high-temperature gas entering the air inlet chamber 2 is 250-700 ℃, and the high-temperature gas contains harmful gases such as nitrogen oxide (NOx), carbon monoxide (CO) and Hydrocarbon (HC). When the high-temperature gas enters the neutralizing chamber 3 through the gas inlet 32, a part of the gas inlet 32 is positioned in the water tank 5, and the temperature of the high-temperature gas is greatly different from the temperature of the filtering agent 18 in the neutralizing chamber 3 and the water in the water tank 5, so that water vapor generated by the water in the water tank 5 can generate a condensation phenomenon on the surface of the filtering agent 18, and the water vapor is attached to the plastic ball filtering agent 18 along with the movement of the high-temperature gas, so that part of fine dust in the high-temperature gas is attached to the plastic balls. When high-temperature gas enters the neutralizing chamber 3 at a certain pressure instantly, certain impact force is generated on the filtering agent 18, and in addition, due to the special structures of the neutralizing chamber 3 and the filtering agent 18, a vortex phenomenon is generated in the neutralizing chamber 3, so that harmful gas and water vapor are subjected to a neutralization reaction and are converted into nitrogen (N)₂) And carbon dioxide (CO)₂) Harmless gas and water. The chemical reaction is as follows:

1. for NOX in high temperature gases:

2. for HC in high-temperature gas:

3. for CO in high temperature gas:

the special structure of the neutralizing chamber 3 and the filtering agent 18 increases the contact area and the contact reaction time of the high-temperature gas and the filtering agent 18, and is beneficial to the neutralization reaction of the harmful gas.

When the see-through window 52 is provided in the water tank 5, the water level in the water tank 5 can be directly observed from the outside, and the water level in the water tank 5 and the replacement water can be timely adjusted through the water supply pipe 51 and the water discharge pipe 53.

It can be seen from the data in the following table, the utility model discloses gaseous purifier compares with traditional filtration formula dust arrester, electrostatic dust arrester, washing formula dust arrester and gravity type dust catcher, not only can clear away the slight dust below 0.1 mu m in the gas, still purifies various harmful gas in the air simultaneously, has guaranteed the purification degree of getting rid of gas, is favorable to environmental protection, and equipment investment is few, simple structure, simple to operate, need not special later stage management, and the operating cost is low. The utility model can be used as a substitute of the original dust collecting device of a thermal power station, an incineration device, a commercial and household dust collector, and the like.

Claims

1. A gas purification device is characterized by comprising an air inlet chamber, a neutralization chamber and an air outlet chamber, wherein the air inlet chamber and the air outlet chamber are not communicated with each other; the air inlet chamber is provided with a high-temperature gas inlet pipe, the air inlet chamber is communicated with the neutralizing chamber through an air inlet arranged on the neutralizing chamber, the exhaust chamber is communicated with the neutralizing chamber through an air outlet arranged on the neutralizing chamber, the neutralizing chamber is internally provided with a filtering agent, the exhaust chamber is provided with a water isolating device and an exhaust pipe communicated with the outside, and the water isolating device is arranged on a gas flow channel between the air outlet and the exhaust pipe.

2. The apparatus of claim 1, further comprising a water reservoir located below the inlet and neutralizing chambers, a portion of the inlet being located within the water reservoir.

3. The device of claim 2, wherein the filtering agent is a plurality of plastic balls, the plastic balls comprise a hollow cylinder in the middle and a circular ring outside, the axis of the cylinder is perpendicular to the radial direction of the circular ring and passes through the center of the circular ring, and a plurality of connecting ribs are arranged between the cylinder and the circular ring.

4. The apparatus of claim 3, wherein the sink is provided with a drain pipe, a feed pipe, and a see-through window.