CN209900999U

CN209900999U - Odor treatment system

Info

Publication number: CN209900999U
Application number: CN201920681192.5U
Authority: CN
Inventors: 陆日明
Original assignee: Guangdong Yuefeng Environmental Protection Co Ltd
Current assignee: Guangdong Yuefeng Environmental Protection Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-07
Anticipated expiration: 2029-05-13

Abstract

A malodor treatment system comprising: the spray tower is used for spraying odor; the gas-water separator is connected with the spray tower and is used for separating gas and water in the sprayed odor; the adsorption tower comprises a filler area filled with compost decomposed products, and the filler area is used for adsorbing the separated odor; and the artificial wetland is connected with the adsorption tower and is used for purifying the odor discharged by the adsorption tower. The utility model discloses an odor treatment system carries out physical adsorption to the foul smell through the spray column, then carries out biofiltration to the foul smell through the adsorption tower, carries out final purification to the foul smell through constructed wetland at last, and its purification mode is various, effective combination, has improved the efficiency of getting rid of the foul smell greatly, and the implementation mode is simple, the running cost is low.

Description

Odor treatment system

Technical Field

The utility model relates to an odor treatment field.

Background

Microorganisms in compost systems such as livestock and poultry manure or sludge can decompose organic substances in compost matrixes under the condition of sufficient oxygen to generate gases with pungent odor such as NH₃Etc.; in the case of insufficient oxygen, the organic substances are decomposed into incomplete products with a foul odor, such as H₂S、SO₂Thiols and nitrogen-containing compounds such as amines, amides, and the like. If the odor is not collected and treated, the odor not only threatens the physical and psychological health of workers, but also pollutes the atmosphere if the odor is emitted into the outside air. The existing odor treatment system has poor deodorization effect, is easy to cause secondary pollution and is not friendly to the environment.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide an odor treatment system to solve the above problems.

According to an aspect of the utility model, an odor treatment system is provided, it includes:

the spray tower is used for spraying odor;

the gas-water separator is connected with the spray tower and is used for separating gas and water in the sprayed odor;

the adsorption tower comprises a filler area filled with compost decomposed products, and the filler area is used for adsorbing the separated odor;

and the artificial wetland is connected with the adsorption tower and is used for purifying the odor discharged by the adsorption tower.

The utility model discloses an odor treatment system carries out physical adsorption to the foul smell through the spray column, then carries out biofiltration to the foul smell through the adsorption tower, carries out final purification to the foul smell through constructed wetland at last, and its purification mode is various, effective combination, has improved the efficiency of getting rid of the foul smell greatly, and the implementation mode is simple, the running cost is low.

In some embodiments, the artificial wetland comprises a substrate layer for physically adsorbing odor and plants planted on the substrate layer.

Therefore, the artificial wetland is adopted to treat the tail gas with odor, and the adsorption of the matrix, the microbial degradation and the plant absorption are adopted, so that the process condition is simple, the treatment effect is good, and the greening and environmental protection are facilitated.

In some embodiments, the artificial wetland further comprises a gas distribution pipe network arranged below the substrate layer, and odor discharged from the adsorption tower is discharged into the artificial wetland through the gas distribution pipe network.

Therefore, the odor can be uniformly released into the artificial wetland through the gas distribution pipe network, upwards adsorbed by the substrate layer and absorbed by plants and then discharged to the atmosphere, so that the odor can be uniformly and fully purified.

In some embodiments, the plant comprises canna indica and carex chartarsa; the matrix layer comprises sand, ceramsite and slag.

With this type of plant and the matrix material, the purification effect of the plant and the adsorption effect of the matrix layer are superior.

In some embodiments of the present invention, the substrate is,

the bottoms of the spray tower, the gas-water separator and the adsorption tower are respectively provided with a drain valve;

and the circulating water tank is used for collecting the wastewater discharged by the drain valve and supplying the wastewater to the spray tower.

Therefore, the wastewater generated in the odor treatment is recycled, so that the operation cost is reduced, and the environment is protected.

In some embodiments, the circulating water tank is also connected with the artificial wetland, and the wastewater after multiple cycles is discharged to the artificial wetland for purification.

Therefore, the wastewater generated in the odor treatment process is purified through the artificial wetland, so that the secondary pollution can be effectively avoided, and the environment is protected.

In some embodiments, the artificial wetland further comprises a drainage pipe network arranged above the substrate layer and a water outlet arranged below the substrate layer, and the wastewater discharged from the circulating water tank is discharged into the artificial wetland through the drainage pipe network and is discharged out of the artificial wetland through the water outlet.

Therefore, the wastewater is uniformly discharged into the artificial wetland through the drainage pipe network, absorbed by plants, adsorbed and purified downwards through the substrate layer, and discharged from the lower part, so that the wastewater is fully purified.

In some embodiments, a spray tower comprises:

a spray tower body;

the spraying pipeline is arranged at the top of the spraying tower body;

the first air inlet is arranged at the upper part of the spray tower body and is positioned below the spray pipeline;

and the first air outlet is arranged at the lower part of the spray tower body and is positioned at the opposite side of the first air inlet.

Therefore, the spraying path of the odor can be maximized, and the spraying efficiency is improved.

In some embodiments, water baffles are provided in the gas-water separator in a staggered arrangement so that the odor gas passes through the water baffles in a serpentine path.

Therefore, the path of the odor for gas-water separation can be increased, the odor changes the flowing direction between the water baffles for a plurality of times, accumulates on the water baffles for condensation and falls to the bottom of the gas-water separation tower body, and the gas-water separation effect is more sufficient.

In some embodiments, the adsorption column further comprises:

an adsorption tower body;

the feeding hole is formed in the top of the adsorption tower body;

the discharge hole is arranged at one side of the filling area;

a third air inlet arranged below the filling area;

and a third air outlet arranged above the filler region and on the opposite side of the third air inlet.

Therefore, when the filler needs to be replaced, the filler is discharged from the discharge hole and poured from the top feed hole, so that the replacement and the operation are convenient; can maximize the odor adsorption path and improve the adsorption efficiency.

Drawings

FIG. 1 is a schematic view of the odor treatment system of the present invention;

FIG. 2 is a schematic structural view of the spray tower shown in FIG. 1;

FIG. 3 is a schematic structural view of the gas-water separator shown in FIG. 1;

FIG. 4 is a schematic view of the structure of the adsorption column shown in FIG. 1;

fig. 5 is a schematic structural view of the constructed wetland shown in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows an odor treatment system according to the present invention, which comprises a spray tower 1, a gas-water separator 2, an adsorption tower 3, an artificial wetland 4, a drain valve 5 and a circulation water tank 6.

As shown in fig. 2, the spray tower 1 includes a spray tower body 11, a spray pipe 12, a first air inlet 13, and a first air outlet 14. The spray pipe 12 is provided at the top of the spray tower body 11 and sprays downward. The first air inlet 13 is disposed at an upper portion of the spray tower body 11 below the spray pipe 12, and the first air outlet 14 is disposed at a lower portion of the spray tower body 11 at an opposite side of the first air inlet 13. When the odor enters from the first air inlet 13, the particles and water-soluble organic matters carried in the odor are cleaned by spraying of the spraying water, the cooling effect is achieved, and finally the odor is discharged from the first air outlet 14.

As shown in FIG. 3, the gas-water separator 2 includes a gas-water separation tower 21, a water guard 22, a second gas inlet 23 and a second gas outlet 24. The second air inlet 23 and the second air outlet 24 are respectively arranged at two sides of the gas-water separation tower body 21, and the second air inlet 23 is connected with the first air outlet 14 of the spray tower 1. A plurality of water baffles 22 are provided in the gas-water separation tower body 21 in a staggered manner such that the odor gas enters from the second gas inlet 23, passes through the water baffles 22 in a serpentine path, and is finally discharged from the second gas outlet 24. Since the water droplets suspended in the bad smell have large mass and inertia, the bad smell accumulates on the water guard 22 to be condensed when the flow direction is changed between the water guards 22 several times, thereby falling to the bottom of the gas-water separation tower 21.

As shown in fig. 4, the adsorption tower 3 includes an adsorption tower body 31, a feed inlet 32, a discharge outlet 33, a third gas inlet 34, a third gas outlet 35, and a packing region 36. This packing district 36 sets up in the middle part of adsorption tower body 31, and feed inlet 32 sets up at adsorption tower body 31 top, and discharge gate 33 sets up in one side of packing district 36, when needs are changed and is packed, from the discharge gate 33 ejection of compact, then pours into from top feed inlet 32 and packs, is convenient for change convenient operation. The filler is a compost decomposed product, and can absorb and adsorb ammonia gas, hydrogen sulfide, VOC (volatile organic compounds) and the like in odor. The third gas inlet 34 is disposed below the packing region 36, and the third gas outlet 35 is disposed above the packing region 36 and on the opposite side of the third gas inlet 34, so that the path of the gas passing therethrough is the longest, thereby improving the adsorption efficiency. Preferably, more than two adsorption towers 3 are arranged, the adsorption towers 3 are connected in parallel, each third air inlet 34 is connected with the second air outlet 24 of the gas-water separator 2, and each third air outlet 35 is connected with the artificial wetland 4.

As shown in fig. 1, drain valves 5 are provided at the bottoms of the spray tower 1, the gas-water separator 2, and the adsorption tower 3, and each drain valve 5 is connected to a circulation tank 6 to collect wastewater discharged from the drain valve 5 and supply the wastewater to the spray tower 1 for spraying. After multiple cycles, when the content of the pollution particles and organic matters carried by the wastewater exceeds a certain content, the wastewater is discharged to the artificial wetland 4 and is purified by the artificial wetland 4 to be discharged, so that secondary pollution is prevented. The number of the circulation is more than two, a certain circulation number or circulation time can be set, the water quality can be detected through a sensor, and after the water quality reaches a preset threshold value, the circulation is quitted and the water is discharged to the artificial wetland 4.

As shown in fig. 5, the artificial wetland 4 comprises plants 41, a drainage pipe network 42, a substrate layer 43, a gas distribution pipe network 44 and a water outlet 45. The matrix layer 43 comprises sand, ceramsite and slag, and can adsorb pollutants in odor and wastewater. The plant 41 is planted above the substrate layer 43, specifically canna indica and brachycanthus praecox, and has excellent purification capability. The drainage pipe network 42 is arranged above the substrate layer 43, is positioned below the plants 41, is connected with the circulating water tank 6, discharges the wastewater in the circulating water tank 6 to the artificial wetland 4, absorbs a part of the wastewater by the plants 41, and discharges a part of the wastewater from a water outlet 45 below the substrate layer 43 after the evolution of the substrate layer 43. The gas distribution pipe network 44 is laid below the substrate layer 43, is positioned above the water outlet 45, is connected with the gas outlet of each adsorption tower 3, discharges the odor to the artificial wetland 4, and discharges the odor to the atmosphere after the odor is upwards adsorbed by the substrate layer 43 and absorbed by the plants 41.

In other embodiments, there may be a plurality of spray towers 1 and gas-water separators 2; the positions of the first air inlet 13, the first air outlet 14, the second air inlet 23, the second air outlet 24, the third air inlet 34, the third air outlet 35, the feed inlet 32, the discharge outlet 33 and the water outlet 45 can also be adjusted according to actual needs; the components of the plant 41 and the substrate layer 43 of the artificial wetland 4 are not limited to the above.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, or the above technical solutions can be freely combined, which all belong to the protection scope of the present invention.

Claims

1. A malodor treatment system comprising:

a spray tower (1) for spraying odor;

a gas-water separator (2) connected with the spray tower (1) and used for separating gas and water in the sprayed odor;

the gas-water separator (2) is connected with at least one adsorption tower (3), the adsorption tower (3) comprises a packing area (36) filled with compost decomposed products, and the packing area (36) is used for adsorbing the separated odor;

and the artificial wetland (4) is connected with the adsorption tower (3) and is used for purifying the odor discharged by the adsorption tower (3).

2. The odor treatment system according to claim 1, wherein: the artificial wetland (4) comprises a substrate layer (43) for carrying out physical adsorption on odor and plants (41) planted on the substrate layer (43).

3. The odor treatment system according to claim 2, wherein: the artificial wetland (4) further comprises an air distribution pipe network (44) arranged below the substrate layer (43), and odor discharged by the adsorption tower (3) is discharged into the artificial wetland (4) through the air distribution pipe network (44).

4. The odor treatment system according to claim 2, wherein: the plant (41) comprises canna indica and Gracilaria lemaneiformis; the matrix layer (43) comprises sand, ceramsite and slag.

5. The odor treatment system according to claim 2, wherein:

the bottoms of the spray tower (1), the gas-water separator (2) and the adsorption tower (3) are respectively provided with a drain valve (5);

and the circulating water tank (6) is used for collecting the wastewater discharged by the drain valve (5) and supplying the wastewater to the spray tower (1).

6. The odor treatment system according to claim 5, wherein: the circulating water tank (6) is also connected with the artificial wetland (4) and discharges the wastewater subjected to multiple cycles to the artificial wetland (4) for purification.

7. The odor treatment system according to claim 6, wherein: the artificial wetland (4) further comprises a drainage pipe network (42) arranged above the substrate layer (43) and a water outlet (45) arranged below the substrate layer (43), and the wastewater discharged by the circulating water tank (6) is discharged into the artificial wetland (4) through the drainage pipe network (42) and is discharged out of the artificial wetland (4) through the water outlet (45).

8. The odor treatment system according to any one of claims 1 to 7, wherein said spray tower (1) comprises:

a spray tower body (11);

the spray pipeline (12) is arranged at the top of the spray tower body (11);

a first air inlet (13) which is arranged at the upper part of the spray tower body (11) and is positioned below the spray pipeline (12);

and the first air outlet (14) is arranged at the lower part of the spray tower body (11) and is positioned at the opposite side of the first air inlet (13).

9. The odor treatment system according to any one of claims 1 to 7 wherein: the gas-water separator (2) is internally provided with water baffles (22) which are distributed in a staggered way, so that odor passes through the water baffles (22) in a snake-shaped path.

10. The odor treatment system according to any one of claims 1 to 7, wherein said adsorption tower (3) further comprises:

an adsorption tower body (31);

a feed inlet (32) arranged at the top of the adsorption tower body (31);

a discharge port (33) arranged on one side of the filling area (36);

a third air inlet (34) disposed below the packing region (36);

a third air outlet (35) disposed above the packing region (36) and on an opposite side of the third air inlet (34).