A biological deodorization device for a sewage treatment plant

Abstract

The utility model discloses a biological deodorization device for a sewage treatment plant, which belongs to the technical field of biological deodorization for sewage treatment plants, and includes an odor collection component, a pretreatment component and a biological filtration component. The odor collection component includes a fan; the pretreatment component includes a shell, a filter bag, a heat-conducting sleeve and a heating element. The shell forms a flow channel for gas to pass through, the air inlet end of the flow channel is connected to the air outlet end of the fan, the filter bag is arranged in the flow channel, the heat-conducting sleeve is arranged on the filter bag, and the heating element is arranged on the side of the heat-conducting sleeve away from the filter bag; the biological filtration component includes a filter tower and a packing layer, the air inlet end of the filter tower is connected to the air outlet end of the flow channel, and the packing layer is built in the filter tower. The utility model provides a filter bag, and the filter bag can intercept dust, prevent dust from entering the filter tower, and prevent dust from clogging the biological filler in the packing layer.

Description

Technical Field

[0001] The utility model relates to the technical field of biological deodorization in sewage treatment plants, in particular to a biological deodorization device in sewage treatment plants. Background Art

[0002] During the sewage treatment process at the sewage treatment plant, the sewage will emit odor, which needs to be treated.

[0003] Announcement No. CN 203244916U discloses a biological deodorization device for a sewage treatment plant, including a filter tank body, an odor treatment area and an odor inlet area are arranged above and below the filter tank body, an air inlet pipeline is arranged on the left wall of the filter tank body in the odor inlet area, a drain outlet is arranged on the right wall of the filter tank body in the odor inlet area, a plurality of nozzles are arranged on the filter tank body at the top of the odor treatment area, the nozzles are installed on the reclaimed water pipeline, one end of the reclaimed water pipeline passes through the left wall of the filter tank body, an odor biological treatment mechanism is arranged below the nozzles, and an exhaust pipe is arranged on the top of the filter tank body corresponding to the odor treatment area. The odor biological treatment mechanism includes biological filter material and a filter material support orifice plate with holes, the filter material support orifice plate is arranged on a filter material support frame, the filter material support frame is installed on the bottom of the filter tank body, and the biological filter material is arranged on the filter material support orifice plate.

[0004] Usually, the collected odor is passed into the biological deodorization device through a fan. When the fan is exhausting air, dust and odor in the air enter the biological deodorization device together. The dust will block the micropores on the surface of the biological filter material, hindering the filter material from contacting the odor and affecting the deodorization effect. Utility Model Content

[0005] In view of this, it is necessary to provide a biological deodorization device for a sewage treatment plant to solve the technical problem in the prior art that dust adheres to the biological filter material.

[0006] In order to achieve the above technical objectives, the technical solution of the utility model provides a biological deodorization device for a sewage treatment plant, including an odor collection component, a pretreatment component and a biological filtration component, the odor collection component including a fan; the pretreatment component including a shell, a filter bag, a heat-conducting sleeve and a heating element, the shell forming a flow channel for gas to pass through, the air inlet end of the flow channel is connected to the air outlet end of the fan, the filter bag is arranged in the flow channel, the heat-conducting sleeve is arranged on the filter bag, and the heating element is arranged on the side of the heat-conducting sleeve away from the filter bag; the biological filtration component includes a filter tower and a packing layer, the air inlet end of the filter tower is connected to the air outlet end of the flow channel, and the packing layer is built into the filter tower.

[0007] In one embodiment, the interior of the shell is hollow and has an air inlet and an air outlet at both ends, the air inlet is connected to the air outlet end of the fan, and the air outlet is connected to the air inlet end of the filter tower; the filter bag is detachable and built into the shell.

[0008] In one embodiment, the pretreatment component further includes a partition, which is built into the shell and separates two ends of the shell, and the partition is provided with a connecting port connecting the air inlet and the air outlet;

[0009] The filter bag is detachably connected to the partition plate and communicates with the communication port.

[0010] In one embodiment, the interior of the heat-conductive sleeve is hollow and one end is open. The heat-conductive sleeve is sleeved on the filter bag through the opening and is detachably connected to the partition. The heat-conductive sleeve is provided with a plurality of fixing holes connecting the air inlet and the air outlet.

[0011] In one embodiment, the heating element is disposed around the heat-conductive sleeve.

[0012] In one embodiment, the pre-treatment assembly further comprises a fixing ring, which is connected to the open end of the filter bag and is detachably connected to the partition.

[0013] In one embodiment, an inspection port is provided on the top of the housing relative to the filter bag;

[0014] The pre-treatment component also includes a cover plate, which is arranged relative to the inspection port and is detachably connected to the shell.

[0015] In one embodiment, the pre-treatment component further comprises a fixing bar, wherein the fixing bar and the partition plate are combined to form a slot with an upward opening, and the slot is arranged around the communication port;

[0016] The fixing ring can be slidably disengaged or slidably locked in the slot.

[0017] In one embodiment, the pretreatment component further includes a sealing gasket, which is connected to the fixing ring and is disposed on a side of the fixing ring facing the partition.

[0018] In one embodiment, the biological filtration component also includes a spray part, which includes a nozzle, a solution tank and a delivery pump. The nozzle is arranged above the packing layer, and the liquid inlet end of the delivery pump is connected to the solution tank, and the liquid outlet end is connected to the liquid inlet end of the nozzle.

[0019] Compared with the prior art, the beneficial effects of the utility model include: collecting and transporting the odor generated in the sewage treatment process into the flow channel of the shell through the fan, filtering through the filter bag in the shell to remove dust in the gas; since there may be moisture in the gas, the moisture adheres to the filter bag and makes the filter bag wet, and the dust contacts the wet filter bag and adheres to the filter bag, and agglomerates on the filter bag, which will hinder the subsequent passage of gas. For this reason, in the utility model, a heat-conducting sleeve and a heating element are provided, the heating element generates heat, and the heat is transferred to the heat-conducting sleeve, and the heat-conducting sleeve transfers the heat evenly to the filter bag, so that the moisture on the filter bag evaporates and the filter bag is prevented from getting wet. Moreover, when the gas passes through the heated filter bag and the heat-conducting sleeve, the gas can be heated so that the temperature of the gas is suitable for subsequent biological filtration component treatment; by providing the heat-conducting sleeve between the heating element and the filter bag, the filter bag can be prevented from directly contacting the heating element, and the heating element can be prevented from directly contacting the filter bag to scald the filter bag.

[0020] The gas treated by the pretreatment component enters the filter tower and fully contacts the packing layer built into the filter tower. The packing layer contains a large number of microorganisms, which use the organic pollutants in the odor as their nutrition source and decompose them into harmless substances such as water and carbon dioxide through the metabolic process, thereby achieving the purpose of deodorization; at the same time, the filter bag can intercept dust, prevent dust from entering the filter tower, and prevent dust from clogging the biological packing in the packing layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a biological deodorization device for a sewage treatment plant according to an embodiment of the utility model;

[0022] Figure 2 It is a structural schematic diagram of a pretreatment component in a biological deodorization device of a sewage treatment plant according to an embodiment of the utility model;

[0023] Figure 3 It is a cross-sectional view of a pretreatment component in a biological deodorization device of a sewage treatment plant according to an embodiment of the utility model;

[0024] Figure 4 yes Figure 3 A local enlarged schematic diagram of the middle A;

[0025] Figure 5 It is an exploded view of a partial structure of a pretreatment component in a biological deodorization device of a sewage treatment plant described in one embodiment of the utility model.

[0026] Description of reference numerals:

[0027] Odor collecting component 1;

[0028] Fan 11;

[0029] Preprocessing component 2;

[0030] Housing 21;

[0031] Filter bag 22;

[0032] Heat conducting sleeve 23;

[0033] Ring 231;

[0034] Heating element 24;

[0035] Partition 25;

[0036] Fixed ring 26;

[0037] Cover plate 27;

[0038] Fixed strip 28;

[0039] slot 28a;

[0040] First stop bar 281;

[0041] Second stop bar 282;

[0042] Sealing gasket 29;

[0043] Biofiltration component 3;

[0044] Filter tower 31;

[0045] Filling layer 32;

[0046] Spraying element 33;

[0047] Nozzle 331;

[0048] Solution tank 332;

[0049] Delivery pump 333;

[0050] Drain pipe 34;

[0051] Valve 35. DETAILED DESCRIPTION

[0052] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0053] like Figure 1 , 4 and Figure 5As shown, the utility model provides a biological deodorization device for a sewage treatment plant, including an odor collecting component 1, a pretreatment component 2 and a biological filtering component 3, the odor collecting component 1 includes a fan 11; the pretreatment component 2 includes a shell 21, a filter bag 22, a heat-conducting sleeve 23 and a heating element 24, the shell 21 forms a flow channel for gas to pass through, the air inlet end of the flow channel is connected to the air outlet end of the fan 11, the filter bag 22 is arranged in the flow channel, the heat-conducting sleeve 23 is sleeved on the filter bag 22, and the heating element 24 is arranged on the side of the heat-conducting sleeve 23 away from the filter bag 22; the biological filtering component 3 includes a filter tower 31 and a packing layer 32, the air inlet end of the filter tower 31 is connected to the air outlet end of the flow channel, and the packing layer 32 is built in the filter tower 31.

[0054] The odor generated in the sewage treatment process is collected by the fan 11 and transported to the flow channel of the shell 21, and filtered by the filter bag 22 in the shell 21 to remove dust in the gas; because there may be moisture in the gas, the moisture adheres to the filter bag 22, causing the filter bag 22 to be moistened, and the dust contacts the moistened filter bag 22 and adheres to the filter bag 22, and agglomerates on the filter bag 22, which will hinder the subsequent passage of gas. For this reason, in the utility model, a heat-conducting sleeve 23 and a heating element 24 are provided, and the heating element 24 generates heat, and the heat transfer The heat is passed to the heat-conducting sleeve 23, and the heat-conducting sleeve 23 transfers the heat to the filter bag 22 evenly, so that the moisture on the filter bag 22 evaporates, and the filter bag 22 is prevented from getting wet. Moreover, when the gas passes through the heated filter bag 22 and the heat-conducting sleeve 23, the gas can be heated up, so that the temperature of the gas is suitable for the subsequent treatment by the biological filtration component 3; by arranging the heat-conducting sleeve 23 between the heating element 24 and the filter bag 22, the filter bag 22 can be prevented from directly contacting the heating element 24, and the heating element 24 can be prevented from directly contacting the filter bag 22 to scald the filter bag 22.

[0055] The gas treated by the pretreatment component 2 enters the filter tower 31 and is fully in contact with the packing layer 32 built in the filter tower 31. The packing layer 32 contains a large number of microorganisms, which use the organic pollutants in the odor as a source of nutrition and decompose them into harmless substances (such as water, carbon dioxide, etc.) through the metabolic process, thereby achieving the purpose of deodorization; at the same time, the filter bag 22 can intercept dust, prevent dust from entering the filter tower 31, and prevent dust from clogging the biological fillers in the packing layer 32.

[0056] It should be understood that the material of the heat-conducting sleeve 23 can be copper, stainless steel, aluminum, etc.

[0057] It should be understood that the heating element 24 may be an electric heating wire, a PTC heater, or the like.

[0058] It should be understood that the air inlet of the fan 11 can be connected to a collection hood (not shown in the figure) for collecting odor through a pipeline (not shown in the figure), so that the odor can be better collected through the collection hood.

[0059] like Figure 2 and Figure 3 As shown, in one of the embodiments, the interior of the shell 21 is hollow and has an air inlet and an air outlet at both ends, the air inlet is connected to the air outlet end of the fan 11, and the air outlet is connected to the air inlet end of the filter tower 31; the filter bag 22 is detachable and built into the shell 21.

[0060] The fan 11 collects the odor generated during the sewage treatment process and passes it into the housing 21 through the air inlet. The odor is filtered by the filter bag 22 in the housing 21, and the filtered odor enters the subsequent treatment steps through the air outlet of the housing 21. The filter bag 22 is detachable, which is convenient for regular cleaning and replacement, reducing maintenance costs.

[0061] It should be understood that the filter bag 22 can be detachably fixed in the housing 21 by means of bolts, screws and snaps.

[0062] like Figures 3 to 5 As shown, in one embodiment, the pretreatment component 2 also includes a partition 25, which is built into the shell 21 and separates the two ends of the shell 21. The partition 25 is provided with a connecting port connecting the air inlet and the air outlet; the filter bag 22 is detachably connected to the partition 25 and is connected to the connecting port.

[0063] By setting the partition 25, the partition 25 separates the air inlet and the air outlet of the shell 21. When the odor enters the shell 21, it can only pass through the connecting port of the partition 25. The connecting port is set in the filter bag 22, and the filter bag 22 can filter the odor passing through the shell 21.

[0064] It should be understood that the filter bag 22 can be removably fixed to the partition 25 by means of bolts, bolts and snaps.

[0065] like Figure 5 As shown, in one embodiment, the interior of the heat-conducting sleeve 23 is hollow and one end is open. The heat-conducting sleeve 23 is sleeved on the filter bag 22 through the opening and is detachably connected to the partition 25. The heat-conducting sleeve 23 is provided with a plurality of fixing holes connecting the air inlet and the air outlet.

[0066] Specifically, through the above configuration, after the heat-conducting sleeve 23 is sleeved on the filter bag 22 , when the filter bag 22 is impacted by gas, the heat-conducting sleeve 23 can support the filter bag 22 , and the fixing holes on the heat-conducting sleeve 23 can allow filtered gas to pass through the heat-conducting sleeve 23 .

[0067] like Figure 5 As shown, in one embodiment, the heating element 24 is disposed around the heat-conducting sleeve 23 .

[0068] Specifically, after the heating element 24 surrounds the heat-conducting sleeve 23 , the heating element 24 can heat various locations around the heat-conducting sleeve 23 , and can evenly heat the heat-conducting sleeve 23 around the circumference.

[0069] like Figure 3 and Figure 5 As shown, in one embodiment, the pre-treatment assembly 2 further includes a fixing ring 26 , which is connected to the open end of the filter bag 22 and is detachably connected to the partition plate 25 .

[0070] Specifically, by providing a fixing ring 26 connected to the open end of the filter bag 22 , the filter bag 22 is detachably connected to the partition plate 25 via the fixing ring 26 .

[0071] Specifically, the fixing ring 26 and the partition plate 25 can be detachably connected by bolts, screws, buckles, etc.

[0072] like Figure 2 As shown, in one embodiment, an inspection port is provided at the top of the shell 21 relative to the filter bag 22; the pretreatment assembly 2 also includes a cover plate 27, which is provided relative to the inspection port and is detachably connected to the shell 21.

[0073] Specifically, when the filter bag 22 needs to be replaced, the cover plate 27 is opened, and the fixing ring 26 fixed to the partition plate 25 and the filter bag 22 are replaced through the inspection port on the top of the shell 21, so as to facilitate the replacement of the filter bag 22.

[0074] It should be understood that the cover plate 27 can be detachably fixed to the housing 21 by means of bolts, screws and snaps.

[0075] It should be understood that the heating element 24 can be powered by a flexible cable so that the heating element 24 sleeved with the heat-conductive sleeve 23 can enter and exit the housing 21 through the inspection port.

[0076] like Figure 4 and Figure 5 As shown, in one embodiment, the pretreatment component 2 also includes a fixing bar 28, and a slot 28a with an upward opening is formed between the fixing bar 28 and the partition 25, and the slot 28a is arranged around the connecting port; the fixing ring 26 can slide out or slide into the slot 28a.

[0077] Specifically, when it is necessary to connect the fixing ring 26 with the partition 25, the fixing ring 26 is inserted into the slot 28a along the direction of the inspection port, so that the fixing ring 26 slides and is locked in the slot 28a, thereby connecting the fixing ring 26 with the partition 25; when it is necessary to replace the filter bag 22, the fixing ring 26 is slid upward along the direction of the inspection port, so that the fixing ring 26 slides out of the slot 28a, thereby separating the fixing ring 26 from the partition 25 and realizing a detachable connection between the fixing ring 26 and the partition 25.

[0078] It should be understood that the slot 28a may be square, semicircular, etc.

[0079] It should be understood that the fixing bar 28 may be a first bar 281 and a second bar 282 connected to each other, wherein the first bar 281 is connected to the partition 25, and the second bar 282 is connected to the side of the first bar 281 away from the partition 25, and the second bar 282, the first bar 281 and the partition 25 together form a slot 28a.

[0080] like Figure 4 and Figure 5 As shown, in one embodiment, the pretreatment component 2 further includes a sealing gasket 29 , which is connected to the fixing ring 26 and is disposed on a side of the fixing ring 26 facing the partition 25 .

[0081] By setting the sealing gasket 29, when the fixing ring 26 is inserted into the slot 28a, in order to seal the gap between the fixing ring 26 inserted into the slot 28a and the partition 25, a sealing gasket 29 is set between the fixing ring 26 and the partition 25. The gap between the partition 25 and the fixing ring 26 is sealed by the sealing gasket 29 to prevent impurities from overflowing outward through the gap between the fixing ring 26 and the partition 25.

[0082] like Figure 4 and Figure 5 As shown, in one embodiment, a circular ring 231 is formed on the side of the heat-conducting sleeve 23 facing the partition 25 . The circular ring 231 is inserted into the slot 28 a and is disposed on the side of the fixing ring 26 away from the partition 25 .

[0083] By providing the circular ring 231 , the heat-conducting sleeve 23 can be plugged into the slot 28 a , thereby achieving a detachable connection between the heat-conducting sleeve 23 and the partition plate 25 .

[0084] like Figure 1 As shown, in one embodiment, the biological filtration component 3 also includes a spraying part 33, which includes a nozzle 331, a solution tank 332 and a delivery pump 333. The nozzle 331 is arranged above the packing layer 32, and the liquid inlet end of the delivery pump 333 is connected to the solution tank 332, and the liquid outlet end is connected to the liquid inlet end of the nozzle 331.

[0085] After the pre-treated odor enters the filter tower 31, it is fully contacted with the packing layer 32 built in the filter tower 31. The microorganisms in the packing layer 32 decompose the organic pollutants in the odor into harmless substances. At the same time, the spraying part 33 starts to work, and the delivery pump 333 delivers the liquid in the solution tank 332 to the spray head 331, and the spray head 331 sprays the liquid onto the packing layer 32. These liquids contain nutrients required by the microorganisms, which help maintain the growth and activity of the microorganisms, thereby improving the treatment effect of the biological filtration component 3.

[0086] It should be understood that the packing layer 32 can be fixed in the filter tower 31 by means of a support net, a support frame, etc.

[0087] It should be understood that the filler layer 32 may be a honeycomb filler, biological ceramsite, suspended fiber, etc.; nitrifying bacteria and sulfur bacteria, etc. are attached to the filler layer 32, the nitrifying bacteria are responsible for decomposing ammonia, and the sulfur bacteria decompose hydrogen sulfide.

[0088] like Figure 1 As shown, it should be understood that the solution filled in the solution tank 332 is the nutrients required by the organisms in the packing layer 32, and may contain water, inorganic salts, and acid-base regulators; a drainage hole is opened at the bottom of the filter tower 31, and the drainage hole is connected to a drain pipe 34, and a valve 35 is provided on the drain pipe 34.

[0089] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A biological deodorization device for a sewage treatment plant, characterized in that: include: Odor collection components, including fans; A pretreatment component, comprising a shell, a filter bag, a heat-conducting sleeve and a heating element, wherein the shell is formed with a flow channel for gas to pass through, the air inlet end of the flow channel is connected to the air outlet end of the fan, the filter bag is arranged in the flow channel, the heat-conducting sleeve is sleeved on the filter bag, and the heating element is arranged on a side of the heat-conducting sleeve away from the filter bag; and The biological filtration component comprises a filter tower and a packing layer, wherein the air inlet end of the filter tower is connected with the air outlet end of the flow channel, and the packing layer is built in the filter tower.

2. The biological deodorization device for a sewage treatment plant according to claim 1, characterized in that: The interior of the shell is hollow and has an air inlet and an air outlet at both ends, the air inlet is connected to the air outlet of the fan, and the air outlet is connected to the air inlet of the filter tower; The filter bag is detachably built into the shell.

3. The biological deodorization device for a sewage treatment plant according to claim 2, characterized in that: The pretreatment component further includes a partition, which is built into the shell and separates two ends of the shell, and the partition is provided with a communication port connecting the air inlet and the air outlet; The filter bag is detachably connected to the partition plate and communicates with the communication port.

4. The biological deodorization device for a sewage treatment plant according to claim 3, characterized in that: The interior of the heat-conducting sleeve is hollow and one end is open. The heat-conducting sleeve is sleeved on the filter bag through the opening and is detachably connected to the partition. The heat-conducting sleeve is provided with a plurality of fixing holes connecting the air inlet and the air outlet.

5. The biological deodorization device for a sewage treatment plant according to claim 4, characterized in that: The heating element is arranged around the heat-conducting sleeve.

6. The biological deodorization device for a sewage treatment plant according to claim 3, characterized in that: The pre-treatment assembly further comprises a fixing ring, which is connected to the open end of the filter bag and is detachably connected to the partition.

7. The biological deodorization device for a sewage treatment plant according to claim 6, characterized in that: The top of the shell is provided with an inspection port relative to the filter bag; The pre-treatment component also includes a cover plate, which is arranged relative to the inspection port and is detachably connected to the shell.

8. The biological deodorization device for a sewage treatment plant according to claim 7, characterized in that: The pretreatment component further includes a fixing bar, wherein the fixing bar and the partition plate are combined to form a slot with an upward opening, and the slot is arranged around the communication port; The fixing ring can be slidably disengaged or slidably locked in the slot.

9. The biological deodorization device for a sewage treatment plant according to claim 8, characterized in that: The pretreatment component also includes a sealing gasket, which is connected to the fixing ring and is arranged on a side of the fixing ring facing the partition.

10. The biological deodorization device for a sewage treatment plant according to claim 1, characterized in that: The biological filtration component also includes a spraying part, which includes a nozzle, a solution tank and a delivery pump. The nozzle is arranged above the packing layer, and the liquid inlet end of the delivery pump is connected to the solution tank, and the liquid outlet end is connected to the liquid inlet end of the nozzle.

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