A device for the extraction and treatment of malodorous gases for sewage plants

Abstract

The utility model discloses a device for foul gas extraction and processing of sewage station, including gas collection part, gas transmission part and gas processing part, the gas collection part sets up on waste gas generating part, the gas transmission part sets up between gas collection part and gas processing part, be provided with first detection unit for detecting waste gas concentration in the gas collection part, the gas processing part's gas -out end is provided with second detection unit for detecting waste gas concentration, in this scheme, set up the gas collection part on waste gas generating part, can effectively collect the waste gas that waste gas generating part generates, set up first detection unit in the gas collection part, can adjust the power size of power unit in gas transmission part according to concentration, when waste gas concentration is higher, with high -power record carries out the work, makes waste gas to be transported to the gas processing part in time and handle, when waste gas concentration is lower, with low power carries out the work, can effectively save energy.

Description

Technical Field

[0001] This utility model relates to the field of environmental protection technology, and in particular to a device for extracting and treating odorous gases in sewage treatment plants. Background Technology

[0002] In modern wastewater treatment, the commonly used process is a combination of physicochemical and biological treatment. The physicochemical process oxidizes insoluble or large molecules, converting them into soluble smaller molecules, thus creating a basis for subsequent biological treatment. The biological treatment process utilizes anaerobic, facultative anaerobic, and aerobic microorganisms to further decompose pollutants in wastewater. These microorganisms typically break down organic matter into substances such as NH3, H2S, CH4, CO2, H2, acetic acid, propionic acid, butyric acid, and aldehydes. This stage is the primary source of odor in the entire wastewater treatment plant, with the main odorous substances being NH3, H2S, CH4, acids, and aldehydes. These malodorous gases not only pollute the environment and cause serious occupational health problems for operators, but also pose significant safety hazards because the gases produced, such as H2S, CH4, and H2, are flammable and explosive, forming explosive mixtures with air. When exposed to an ignition source, these mixtures can ignite and explode, creating a significant safety risk.

[0003] Therefore, a device that can promptly extract and treat odorous gases during the sewage treatment process is of paramount importance. Utility Model Content

[0004] The purpose of this invention is to provide a device for extracting and treating odorous gases from sewage treatment plants, addressing the aforementioned shortcomings and solving the problem of inefficient extraction and treatment of odorous gases from sewage treatment plants in the prior art.

[0005] This utility model is achieved through the following solution:

[0006] An apparatus for extracting and treating odorous gases in a wastewater treatment plant includes a gas collection section, a gas transmission section, and a gas treatment section. The gas collection section is located on a waste gas generation section, and the gas transmission section is located between the gas collection section and the gas treatment section. The gas collection section is equipped with a first detection unit for detecting the concentration of waste gas, and the gas treatment section is equipped with a second detection unit for detecting the concentration of waste gas at its outlet end.

[0007] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the gas collection unit includes multiple gas collection hoods, each equipped with an automatic air valve; the first detection unit is located inside the gas collection hood, and the gas collection hood is fitted onto the waste gas generating unit.

[0008] Based on the above-mentioned device for extracting and treating odorous gases in a wastewater treatment plant, the waste gas generating unit includes a first UASB wastewater tank, a second UASB wastewater tank, a third UASB wastewater tank, an A / O tank, and an aeration tank; the first UASB wastewater tank, the second UASB wastewater tank, the third UASB wastewater tank, the A / O tank, and the aeration tank are connected sequentially through a connecting channel; the gas collecting unit includes a first hood, a second hood, and a third hood; the first hood is installed on the first UASB wastewater tank, the second hood is installed on the second UASB wastewater tank, and the third hood is installed on the third UASB wastewater tank.

[0009] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the first, second, and third air hoods have the same structure. The first air hood includes a hood body structure and an air outlet pipe. The hood body structure is generally conical, and the air outlet pipe is cylindrical. The air outlet pipe is located at the end of the hood body structure away from the sewage tank. The first detection unit is located in the hood body structure, and the automatic air valve is located at the end of the air outlet pipe away from the hood body structure.

[0010] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the gas transmission unit includes a main pipeline, branch pipelines, a blower, and an exhaust chimney; the main pipeline is connected to the exhaust pipes of the first, second, and third gas hoods respectively through the branch pipelines; the main pipeline is connected to the inlet end of the blower, and the exhaust chimney is connected to the outlet end of the blower; a second detection unit is installed on the exhaust chimney.

[0011] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, a first flexible pipe is provided on the branch pipeline; a frequency converter is connected to the blower, and the frequency converter is connected to the first detection unit and the automatic air valve.

[0012] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the gas treatment unit includes a housing structure and a treatment structure; the treatment structure is disposed in the housing structure, and the housing structure is connected to the main pipeline and the air inlet of the blower respectively; the treatment structure is a chemical treatment unit and / or a spray treatment box.

[0013] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the reagent treatment section is an activated carbon box.

[0014] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the air inlet of the blower is connected to the housing structure through a second flexible hose, the air outlet of the blower is connected to the exhaust chimney through a third flexible hose, the exhaust chimney is vertically arranged, a vertical ladder is arranged next to the exhaust chimney, the top of the vertical ladder is connected to the exhaust chimney through a detection platform, and the second detection unit is arranged on the detection platform.

[0015] Based on the above-mentioned device for extracting and treating odorous gases in a sewage treatment plant, the gas collection hood is made of engineering plastics and lightweight stainless steel, and the main pipeline and branch pipelines are made of electrostatic conductive materials.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0017] 1. In this solution, the gas collection unit is located on top of the waste gas generation unit, which can effectively collect the waste gas generated by the waste gas generation unit. The gas collection unit is equipped with a first detection unit, which can adjust the power of the power component in the gas transmission unit according to the concentration. When the waste gas concentration is high, it operates at high power, so that the waste gas can be quickly transported to the gas treatment unit for treatment. When the waste gas concentration is low, it operates at low power, which can effectively save energy. A second detection unit is installed at the outlet of the gas treatment unit, which can detect the effect of waste gas treatment and determine whether to increase or decrease the intensity of waste gas treatment. On the one hand, it can ensure the cleanliness of the gas emitted into the atmosphere. On the other hand, it can increase or decrease the waste gas treatment methods based on the detection results, which can also save energy to a certain extent. This solution can perform waste gas treatment flexibly, with low energy consumption and high efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the first air hood in this utility model;

[0020] Figure Descriptions: 1. Gas Collection Unit; 2. Gas Transmission Unit; 3. Gas Treatment Unit; 4. Waste Gas Generation Unit; 5. First Detection Unit; 6. Second Detection Unit; 7. Automatic Air Valve; 8. Frequency Converter; 11. First Air Hood; 12. Second Air Hood; 13. Third Air Hood; 111. Hood Structure; 112. Exhaust Pipe; 21. Main Pipe; 22. Branch Pipe; 23. Fan; 24. Exhaust Chimney; 25. First Flexible Pipe; 31. First UASB Wastewater Tank; 32. Second UASB Wastewater Tank; 33. Third UASB Wastewater Tank; 34. A / O Tank; 35. Aeration Tank; 36. Box Structure; 37. Chemical Treatment Unit; 38. Spray Treatment Box; 39. Second Flexible Hose; 310. Third Flexible Hose; 311. Vertical Ladder. Detailed Implementation

[0021] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0022] Any feature disclosed in this specification (including any appended claims and abstract) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature.

[0025] Example 1

[0026] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution:

[0027] An apparatus for extracting and treating odorous gases in a wastewater treatment plant includes, but is not limited to, a gas collection unit 1, a gas transmission unit 2, and a gas treatment unit 3. The gas collection unit 1 is disposed on a waste gas generating unit 4, and the gas transmission unit 2 is disposed between the gas collection unit 1 and the gas treatment unit 3. A first detection unit 5 for detecting the concentration of waste gas is disposed in the gas collection unit 1, and a second detection unit 6 for detecting the concentration of waste gas is disposed at the outlet end of the gas treatment unit 3.

[0028] Based on the above structure, the gas collection unit 1 is installed on the waste gas generating unit 4, which can effectively collect the waste gas generated by the waste gas generating unit 4. The gas collection unit 1 is equipped with a first detection unit 5, which can adjust the power of the power component in the gas transmission unit 2 according to the concentration. When the waste gas concentration is high, it operates with high power, so that the waste gas can be quickly transported to the gas treatment unit 3 for treatment. When the waste gas concentration is low, it operates with low power, which can effectively save energy. A second detection unit 6 is installed on the gas outlet of the gas treatment unit 3, which can detect the effect of waste gas treatment and determine whether to increase or decrease the intensity of waste gas treatment. On the one hand, it can ensure the cleanliness of the gas discharged into the atmosphere. On the other hand, it can increase or decrease the waste gas treatment method according to the detection result, which can also save energy to a certain extent. This solution can perform waste gas treatment flexibly, with low energy consumption and high efficiency.

[0029] As an example, the gas collection unit 1 may include multiple gas collection hoods, each equipped with an automatic air valve 7; the first detection unit 5 is disposed inside the gas collection hood, which is fitted onto the waste gas generating unit 4.

[0030] Based on the above structure, the automatic air valve 7 can adjust the air flow rate by adjusting its opening size, making the entire gas delivery process more flexible. At the same time, the exhaust gas can be collected by the gas collection hood, which can achieve exhaust gas collection efficiently and at low cost.

[0031] As an example, the exhaust gas generating unit 4 may include a first UASB wastewater tank 31, a second UASB wastewater tank 32, a third UASB wastewater tank 33, an A / O tank 34, and an aeration tank 35; the first UASB wastewater tank 31, the second UASB wastewater tank 32, the third UASB wastewater tank 33, the A / O tank 34, and the aeration tank 35 are connected sequentially through a connecting channel, and the gas collecting unit 1 may include a first air hood 11, a second air hood 12, and a third air hood 13; the first air hood 11 is disposed on the first UASB wastewater tank 31, the second air hood 12 is disposed on the second UASB wastewater tank 32, and the third air hood 13 is disposed on the third UASB wastewater tank 33.

[0032] Based on the above structure, the exhaust gas is usually generated in the UASB wastewater tank. Therefore, a gas collection hood is installed on each UASB wastewater tank to collect all the exhaust gas.

[0033] As an example, the first air hood 11, the second air hood 12, and the third air hood 13 have the same structure. Taking the first air hood 11 as an example, the first air hood 11 may include a hood structure 111 and an air outlet pipe 112. The hood structure 111 is generally conical, and the air outlet pipe 112 is cylindrical. The air outlet pipe 112 is located at the end of the hood structure 111 away from the sewage tank. The first detection unit 5 is located in the hood structure 111, and the automatic air valve 7 is located at the end of the air outlet pipe 112 away from the hood structure 111.

[0034] Based on the above structure, by setting the cover structure 111 as a conical structure, it is convenient to collect the exhaust gas. At the same time, the first detection unit 5 can detect the concentration of exhaust gas in the cover structure 111. Setting an automatic air valve 7 on the exhaust pipe 112 can further facilitate the control of exhaust gas.

[0035] As an example, the gas transmission unit 2 may include a main pipeline 21, branch pipelines 22, a fan 23, and an exhaust chimney 24; the main pipeline 21 is connected to the exhaust pipes 112 of the first gas hood 11, the second gas hood 12, and the third gas hood 13 respectively through the branch pipelines 22; the main pipeline 21 is connected to the air inlet of the fan 23, and the exhaust chimney 24 is connected to the air outlet of the fan 23; the second detection unit 6 is disposed on the exhaust chimney 24.

[0036] Based on the above structure, the exhaust gas in the first hood 11, the second hood 12 and the third hood 13 is transmitted through the branch pipe 22, and the return exhaust gas is transmitted through the main pipe 21. After passing through the gas treatment unit 3, it is delivered to the exhaust chimney 24 by the fan 23. Finally, the gas is discharged into the atmosphere by the exhaust chimney 24. A second detection unit 6 is provided at the exhaust end of the exhaust chimney 24 to detect the content of exhaust gas discharged into the atmosphere.

[0037] As an example, a first flexible pipe 25 is provided on the branch pipe 22, which allows the branch pipe 22 to rotate arbitrarily within a certain range, so that it can be quickly connected to the main pipe 21 and the gas collection hood.

[0038] As an example, a frequency converter 8 is connected to the fan 23, and the frequency converter 8 is connected to the first detection unit 5 and the automatic air valve 7.

[0039] Based on the above structure, the power of the fan 23 is adjusted by the data fed back by the first detection unit 5. This allows for more flexible and energy-efficient wind speed adjustment. When the exhaust gas concentration is high, the opening angle of the automatic air valve 7 is increased, and the power of the fan 23 is increased. Conversely, the opening angle is decreased, and the power of the fan 23 is decreased.

[0040] As an example, the gas processing unit 3 may include a housing structure 36 and a processing structure; the processing structure is disposed in the housing structure 36, and the housing structure 36 is connected to the main pipeline 21 and the air inlet of the fan 23 respectively.

[0041] The treatment structure can be a chemical treatment unit 37 and / or a spray treatment box 38;

[0042] Based on the above structure, the exhaust gas enters the gas treatment unit 3 through the box structure 36, is treated by the treatment structure, and then enters the fan 23 through the pipeline, and is discharged through the exhaust chimney 24 of the fan 23. The treatment structure can be selected according to the actual site conditions, using separate chemical treatment, separate spray treatment, or chemical treatment and spray treatment together.

[0043] As an example, the reagent treatment unit 37 can be an activated carbon box, through which activated carbon can quickly absorb the components of the waste gas.

[0044] As an example, the air inlet of the fan 23 is connected to the housing structure 36 via the second hose 39, and the air outlet of the fan 23 is connected to the exhaust chimney 24 via the third hose 310, which allows for faster pipe connection. The exhaust chimney 24 is vertically arranged, and a vertical ladder 311 is provided next to the exhaust chimney 24. The top of the vertical ladder 311 is connected to the exhaust chimney 24 via a detection platform, and the second detection unit 6 is set on the detection platform.

[0045] As an example, the first detection unit 5 and the second detection unit 6 can be exhaust gas concentration monitoring instruments, and the specific type can be selected according to the on-site time conditions.

[0046] As an example, the gas collection hood can be made of engineering plastics, lightweight stainless steel, etc., while the main pipe 21 and branch pipes 22 are made of electrostatic conductive material. This ensures safety during use.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for extracting and treating odorous gases in a sewage treatment plant, characterized in that: It includes a gas collection section (1), a gas transmission section (2), and a gas processing section (3); the gas collection section (1) is disposed on the waste gas generation section (4), the gas transmission section (2) is disposed between the gas collection section (1) and the gas processing section (3), the gas collection section (1) is provided with a first detection unit (5) for detecting the waste gas concentration, and the gas processing section (3) is provided with a second detection unit (6) for detecting the waste gas concentration at the outlet end.

2. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 1, characterized in that: The gas collection unit (1) includes multiple gas collection hoods, and an automatic air valve (7) is provided on the gas collection hood; the first detection unit (5) is located inside the gas collection hood, and the gas collection hood is fitted onto the waste gas generating unit (4).

3. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 2, characterized in that: The waste gas generating unit (4) includes a first UASB wastewater tank (31), a second UASB wastewater tank (32), a third UASB wastewater tank (33), an A / O tank (34), and an aeration tank (35); the first UASB wastewater tank (31), the second UASB wastewater tank (32), the third UASB wastewater tank (33), the A / O tank (34), and the aeration tank (35) are connected sequentially through a connecting channel. The gas collecting unit (1) includes a first air hood (11), a second air hood (12), and a third air hood (13); the first air hood (11) is installed on the first UASB wastewater tank (31), the second air hood (12) is installed on the second UASB wastewater tank (32), and the third air hood (13) is installed on the third UASB wastewater tank (33).

4. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 3, characterized in that: The first air hood (11), the second air hood (12) and the third air hood (13) have the same structure. The first air hood (11) includes a hood structure (111) and an air outlet pipe (112). The hood structure (111) is a conical structure, and the air outlet pipe (112) is a cylindrical structure. The air outlet pipe (112) is located at the end of the hood structure (111) away from the sewage tank. The first detection unit (5) is located in the hood structure (111), and the automatic air valve (7) is located at the end of the air outlet pipe (112) away from the hood structure (111).

5. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 4, characterized in that: The gas transmission unit (2) includes a main pipeline (21), branch pipelines (22), a fan (23), and an exhaust chimney (24); the main pipeline (21) is connected to the exhaust pipes (112) of the first gas hood (11), the second gas hood (12), and the third gas hood (13) respectively through the branch pipelines (22); the main pipeline (21) is connected to the air inlet of the fan (23), and the exhaust chimney (24) is connected to the air outlet of the fan (23); the second detection unit (6) is installed on the exhaust chimney (24).

6. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 5, characterized in that: The branch pipeline (22) is provided with a first flexible pipe (25); the fan (23) is connected to a frequency converter (8), and the frequency converter (8) is connected to the first detection unit (5) and the automatic air valve (7).

7. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 6, characterized in that: The gas treatment unit (3) includes a housing structure (36) and a treatment structure; the treatment structure is disposed in the housing structure (36), and the housing structure (36) is connected to the main pipeline (21) and the air inlet of the fan (23) respectively; the treatment structure is a reagent treatment unit (37) and / or a spray treatment box (38).

8. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 7, characterized in that: The reagent processing unit (37) is an activated carbon box.

9. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 8, characterized in that: The air inlet of the fan (23) is connected to the housing structure (36) through the second hose (39), and the air outlet of the fan (23) is connected to the exhaust chimney (24) through the third hose (310). The exhaust chimney (24) is vertically arranged, and a vertical ladder (311) is provided next to the exhaust chimney (24). The top of the vertical ladder (311) is connected to the exhaust chimney (24) through a detection platform, and the second detection unit (6) is set on the detection platform.

10. The apparatus for extracting and treating odorous gases in a sewage treatment plant as described in claim 9, characterized in that: The gas collection hood is made of engineering plastic and lightweight stainless steel, and the main pipeline (21) and branch pipeline (22) are made of electrostatic conductive material.

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