JP2002011322A - Deodorizing treatment apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a deodorizing treatment apparatus capable of efficiently and certainly removing malodorous gas (gas to be treated). SOLUTION: In the deodorizing treatment apparatus wherein the gas to be treated supplied into the apparatus 11 from a gas inflow port 14 is deodorized in the gas treatment part arranged in the apparatus 11 and the treated gas is discharged from a gas outflow port 26 after deodorizing treatment, the apparatus 11 consists of first and second gas treatment parts 12,13 and the first gas treatment part has water sprinklers 18 arranged at a predetermined interval in a vertical direction and a first packed bed 17 packed with a deodorant and arranged between the water sprinklers 18 and the second treatment part 13 has second packed beds 24 packed with the deodorant, arranged in a layered state in a horizontal direction through partition walls 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing apparatus,
More specifically, the present invention relates to a deodorizing treatment apparatus applied to the treatment of sewage, wastewater, human waste, garbage, etc., the deodorizing treatment of malodorous gas generated in the livestock industry and the like, and the malodorous gas generated from kitchens and toilets.

[0002]

2. Description of the Related Art Odor gas generated in the treatment of sewage, waste water, night soil, garbage, livestock industry, and the like, and malodor gas generated from kitchens and toilets, etc., contain a relatively large amount of hydrogen sulfide as an odor component. Contains methylcaptan, methyl sulfide, methyl disulfide and the like.

[0003] As a method of deodorizing these malodorous gases, a malodorous gas having a porous structure such as activated carbon or silica gel is passed through a packed bed filled with the deodorant to absorb the malodorous gas. There was a way to remove it.

[0004]

However, in the method using the deodorant having the porous structure, if the density of the deodorant in the packed bed is too high, the pressure loss of the gas becomes too large, and Is difficult to pass, and as a result,
If the amount of the malodorous gas is reduced and the density of the deodorant in the packed bed is reduced, on the other hand, the gas flow becomes easier, but the amount of gas that passes without being treated increases. There were drawbacks.

The present invention has been made in view of such circumstances, and has as its object to provide a deodorizing treatment apparatus capable of efficiently and surely removing a malodorous gas (gas to be treated). It is.

[0006]

In order to achieve the above object, according to the present invention, a gas to be treated supplied from a gas inlet into an apparatus is deodorized by a gas processing section disposed in the apparatus. Then, in a deodorizing treatment device configured to discharge the treated gas after the deodorizing treatment from the gas outlet, the device includes a first gas treatment unit and a second gas treatment unit, and the first gas treatment unit includes: A sprinkler arranged at intervals in the vertical direction, and a first packed bed filled with a deodorant and arranged between the sprinklers, wherein the second gas processing unit is provided with a partition The gist of the present invention is to provide a deodorizing treatment apparatus characterized by having a second packed layer filled with a deodorant arranged horizontally in layers through a wall.

The gist of the invention according to claim 2 is a deodorization treatment apparatus characterized in that a drain hole is formed at the bottom of each first packed bed of the first treatment section.

According to the third aspect of the present invention, a storage portion for receiving water dropped from each layer is provided at the bottom of the first gas processing portion, and the water in the storage portion is supplied again to the sprinkler by a pump. The gist of the present invention is a deodorizing treatment apparatus characterized by the above.

According to a fourth aspect of the present invention, the first processing section has a gas inlet at an upper portion, and the gas to be processed is blown by a gas suction fan in a gas suction cylinder connected to the gas inlet. The gist of the present invention is a deodorization treatment device characterized in that the deodorization treatment device is forcibly flowed into the first treatment section.

According to a fifth aspect of the present invention, the second processing section has a gas discharge port at an upper portion, and the processed gas is discharged by a gas discharge fan in a gas discharge cylinder connected to the gas discharge port. The gist of the present invention is a deodorization treatment apparatus characterized in that the deodorization treatment apparatus is forcibly discharged from the second processing section.

[0011]

In the deodorizing treatment apparatus of the present invention, the gas to be treated supplied from the gas inlet into the apparatus is arranged vertically in the process of moving from the upper part to the lower part in the first gas processing part. Watering device, and a first watering device disposed between the watering devices.
And through the packed bed. At this time, the gas to be treated (particularly, hydrogen sulfide) dissolves in the water by contact with the sprinkled water, and contacts the deodorant filled in the first packed bed to be treated.

Next, the gas to be treated, which has been treated by the first gas treatment section, passes through the second packed bed horizontally arranged in layers through a partition wall of the second gas treatment section. The deodorant filled in the second packed layer is brought into contact with and processed.

The processed gas processed through the first gas processing section and the second gas processing section is discharged from the gas outlet to the outside of the apparatus.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a deodorizing apparatus according to the present invention will be described in detail with reference to an embodiment shown in the drawings. Figure 1
As shown in FIG. 2 and FIG.
It comprises a gas processing unit 12 and a second gas processing unit 13.

The first gas processing section 12 has a gas inlet 1
The gas to be processed is forcibly flown into the first processing section 12 by a gas suction fan 16 in a gas suction cylinder 15 connected to the gas inlet 14. I have.

In the first processing section 12, a first packed bed 17 and a sprinkler 18 are arranged. The water spraying device 18 is disposed at an interval in the vertical direction in the first processing unit 12, and sprays the gas to be processed flowing from the gas inlet 14 (or the gas to be processed that has passed through the first packed bed 17). The gas to be treated coming into contact with this is dissolved in the water and flows down onto the lower first packed bed 17. The type and size of the watering device 18 are all arbitrary, and may be determined appropriately according to the scale of the device.

The first filling layer 17 is disposed with a space between the watering devices 18, and the inside thereof is filled with a deodorant 19. The deodorant 19 is not particularly limited, such as activated carbon or silica gel. In this example, activated carbon was used. The deodorant 19 has a porous structure, and can use a microorganism-immobilized carrier carrying microorganisms that decompose gas components as a deodorant, in addition to one that adsorbs and removes gas components in fine pores. Can also. A drain hole 20 is formed at the bottom of the first filling layer 17 so that water that has passed through the first filling layer 17 can drop downward.

In the first filling layer 17, the deodorant 19 filled therein adsorbs and removes water in which the gas to be treated is dissolved. In this embodiment, the first packed bed 17 and the sprinklers 18 are arranged alternately in the vertical direction by three each, and the gas to be treated is
In the process from the upper part to the lower part in 2, the operation of spraying water to the gas to be treated and removing by adsorption with a deodorant is performed three times.

At the bottom of the first gas processing section 12, each of the first
A storage section 21 for receiving water dropped from the filling layer 17 is provided. In this embodiment, the water in the storage section 21 is supplied to the watering device 18 again by the pump 22 and is recycled. First gas processing unit 12
The gas that has passed through moves on the surface of the water stored in the storage unit 21 and reaches the second gas processing unit 13.

The second gas treatment section 13 has a second filling layer 24 arranged horizontally in layers with a partition wall 23 interposed therebetween. As shown in FIG. 3, these second filling layers 24 are filled with the same deodorant 25 as the first filling layer 17 inside,
When the gas from the first gas processing unit 12 passes, it comes into contact with the gas and adsorbs and removes components of the gas.
Further, since the second packed bed 24 is arranged upright in the height direction of the device 11, gas passes through the second packed bed 24 in the longitudinal direction.

The treated gas thus purified through the second gas processing unit 13 is discharged out of the apparatus 11 from a gas outlet 26 formed in the upper part of the second gas processing unit 13.

In the example shown in FIG. 1, a gas discharge tube 28 in which a gas discharge fan 27 is installed at a gas discharge port 26 is provided.
Are connected, and the treated gas is forcibly discharged by the gas discharge fan 27.

The first filling layer 17 and the second filling layer 2
Reference numerals 3 denote independent cassettes, which can be easily replaced with new ones when their service life has expired.

The deodorizing treatment apparatus of the present invention is not limited to the above example. For example, the first packed bed 17 may be filled with activated carbon and the second packed bed 23 may have microorganisms immobilized thereon. Such as filling the immobilization carrier, changing the type of deodorant as appropriate depending on the type of gas to be treated, or installing it in a garbage disposal device, sewage treatment device, kitchen ventilation device, or air conditioning device, etc. It can be freely changed within the range described in the claims.

[0025]

According to the first aspect of the present invention, in the first gas processing section, the gas to be treated (particularly, hydrogen sulfide) is dissolved in water by water sprinkling, and this is treated with the deodorant. This operation is alternately repeated, and the processing with the deodorant is repeated in the second gas processing section, so that the odorous gas (the gas to be processed) can be efficiently and reliably removed.

As described in claims 4 and 5,
If gas suction and gas discharge are forcibly performed by the gas suction fan and gas discharge fan, the gas will smoothly circulate in the device at that pressure, so more effective deodorization Processing can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic view showing an outline of a deodorizing treatment apparatus according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view showing a first filling layer of FIG.

FIG. 3 is an enlarged sectional view showing a second filling layer of FIG. 1;

[Description of Signs] 12 ... first gas processing unit 13 ... second gas processing unit 17 ... first packed layer 18 ... water sprinkler 21 ... storage unit 24 ... second filling layer

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4C080 AA05 BB02 CC03 CC04 CC05 CC13 CC15 HH03 HH05 HH09 KK06 KK08 LL10 MM05 MM06 MM33 NN01 QQ11 QQ17 4D002 AB02 AC10 BA02 BA03 BA04 BA17 CA01 CA07 DA35 DA41 DA46 DA59 EA

Claims (5)

[Claims] 1. A deodorizing process in which a gas to be treated supplied into a device from a gas inlet is deodorized by a gas processing unit disposed in the device, and the treated gas after the deodorizing process is discharged from a gas outlet. In the treatment apparatus, the apparatus comprises a first gas treatment section and a second gas treatment section, wherein the first gas treatment section is provided with a sprinkler arranged at intervals in a vertical direction, and filled with a deodorant. And a first filling layer disposed between the watering devices, wherein the second gas processing unit is filled with a deodorant arranged horizontally in a layered manner via a partition wall. A deodorizing treatment device having a layer. 2. The deodorizing treatment apparatus according to claim 1, wherein a drain hole is formed at the bottom of each first packed bed of the first treatment section. 3. A storage section for receiving water dropped from each layer is provided at a bottom of the first gas processing section, and the water in the storage section is supplied again to the sprinkler by a pump. The deodorizing treatment device according to claim 1, characterized in that: 4. The first processing section has a gas inlet at an upper portion, and a gas to be processed is introduced into the first processing section by a gas suction fan in a gas suction tube connected to the gas inlet. The deodorization treatment device according to claim 1, wherein the deodorization treatment device is forcibly introduced. 5. The second processing section has a gas outlet at an upper portion, and the processed gas is removed from the inside of the second processing section by a gas discharging fan in a gas discharge tube connected to the gas discharging port. 2. The deodorizing treatment device according to claim 1, wherein the device is forcibly discharged.