Water plant waste gas treatment device

Abstract

The utility model provides a waste gas treatment device for a water plant. The waste gas treatment device comprises a structure, a waste gas collection device, a waste gas adsorption device, an air inducing device and an exhaust device, the waste gas collecting device is arranged at the top of the structure; the waste gas collecting range of the waste gas collecting device covers the whole structure; the waste gas collecting device is of a hollow structure, and an exhaust hole is formed in the top of the waste gas collecting device; and the waste gas adsorption device, the air inducing device and the exhaust device are mounted above the exhaust hole of the waste gas collection device in a layer-by-layer overlapping manner from bottom to top. According to the device, a waste gas collecting and treating facility is arranged above a building, an air pipe is not needed, the energy consumption of an induced draft fan is low, and independent land occupation is not needed.

Description

Technical Field

[0001] This utility model relates to the field of municipal engineering facilities technology, specifically to a water plant waste gas treatment device. Background Technology

[0002] During the treatment of sewage and sludge, the structures generate a large amount of waste gas, which contains harmful substances such as hydrogen sulfide, ammonia, and methane. Currently, the common waste gas treatment method in water plants is to collect the waste gas generated by each structure separately and transport it to a waste gas treatment tower for centralized treatment through large induced draft fans and long-distance ducts. This method has the following drawbacks: (1) Due to the long length of the ducts, the investment is large; (2) Due to the need for long-distance transportation, the energy consumption of the induced draft fans is high, resulting in high operating costs; (3) The waste gas treatment tower needs to be built on a separate site, increasing the land area of ​​the water plant. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the technical problem to be solved by this utility model is to provide a water plant exhaust gas treatment device. The device has exhaust gas collection and treatment facilities set above the structure, does not require air ducts, has low energy consumption of the exhaust fan, and does not require separate land.

[0004] The technical solution adopted in this utility model is as follows:

[0005] This utility model provides a water plant waste gas treatment device, including a structure 1, a waste gas collection device 2, a waste gas adsorption device 3, an exhaust fan 4, and an exhaust device 5;

[0006] The exhaust gas collection device 2 is installed on the top of the structure 1; the exhaust gas collection range of the exhaust gas collection device 2 covers the entire structure 1; the exhaust gas collection device 2 is a hollow structure, and an exhaust hole is opened on the top of the exhaust gas collection device 2; above the exhaust hole of the exhaust gas collection device 2, the exhaust gas adsorption device 3, the air extraction device 4 and the exhaust device 5 are installed in layers from bottom to top.

[0007] Preferably, the exhaust gas collection device 2 includes a bottom exhaust gas collection device 21 and a top exhaust gas collection device 22; the bottom exhaust gas collection device 21 is a hollow cylinder with the same diameter as the structure 1 and is fixed to the top of the structure 1; the top exhaust gas collection device 22 is an inverted hollow semi-ellipse and is fixed to the top surface of the bottom exhaust gas collection device 21; the exhaust hole is opened at the top of the top exhaust gas collection device 22.

[0008] Preferably, the bottom exhaust gas collection device 21 is provided with an inspection door 6; the height of the bottom exhaust gas collection device 21 is the same as that of the inspection door 6, both being 2000-2500mm.

[0009] Preferably, the diameter of the exhaust port of the top-level exhaust gas collection device 22 is the same as the inner diameter of the exhaust gas adsorption device 3, the air intake device 4 and the exhaust device 5, which is 800-1200mm.

[0010] Preferably, the waste gas adsorption device 3 includes a fixed outer wall 31, a movable outer wall 32, a handle 33, a protrusion 34, a groove 35, a guardrail 36, an adsorption filler 37, and a filter grid 38.

[0011] The fixed outer wall 31 is fixedly connected to the waste gas collection device 2, and the handle 33 is provided on the outer side of the movable outer wall 32; the protrusions 34 are respectively provided at both ends of the inner side of the movable outer wall 32, and the grooves 35 are respectively provided at both ends of the inner side of the fixed outer wall 31. The positions of the protrusions 34 and the grooves 35 are matched to achieve the engaging connection between the movable outer wall 32 and the fixed outer wall 31. The movable outer wall 32 and the fixed outer wall 31 form a waste gas adsorption cavity.

[0012] A filter grid 38 is provided at the bottom of the waste gas adsorption chamber, and the filter grid 38 is fixedly connected to the bottom of the movable outer wall 32; an adsorption packing 37 is provided inside the waste gas adsorption chamber, and the adsorption packing 37 is located above the filter grid 38; a guardrail 36 is provided on the inner wall of the waste gas adsorption chamber that is attached to the fixed outer wall 31, the bottom of the guardrail 36 is fixed to the filter grid 38, and the two ends of the guardrail 36 are fixed to the two ends of the movable outer wall 32; the guardrail 36 and the inner wall of the movable outer wall 32 form a cavity for accommodating the adsorption packing 37.

[0013] Preferably, both the guardrail 36 and the filter mesh 38 are made of stainless steel; the filter mesh 38 has a pore size of 1-2 mm.

[0014] Preferably, the adsorption filler 37 is activated carbon.

[0015] Preferably, the air-expelling device 4 is equipped with an air-expelling fan 41.

[0016] Preferably, the water plant exhaust gas treatment device is further provided with a maintenance unit; the maintenance unit includes walkway 7, stairs 8, railings 9 and ladders 10;

[0017] The walkway 7 is arranged around the top perimeter of the structure 1, and the staircase 8 is arranged from the bottom of the structure 1 to the walkway 7. The walkway 7 and the staircase 8 are both equipped with railings 9. A row of ladders 10 is arranged from the bottom of the walkway 7 along the side wall of the exhaust gas collection device 2 to the top of the exhaust gas collection device 2.

[0018] Preferably, the height difference between the top of the exhaust device 5 and the walkway slab 7 is ≥15m.

[0019] The water plant waste gas treatment device provided by this utility model has the following advantages:

[0020] 1. Installing exhaust gas collection and treatment facilities above the structure eliminates the need for ductwork, reduces investment, lowers the energy consumption of the exhaust fan, and does not require separate land occupation;

[0021] 2. An inspection door is installed at the bottom of the waste gas collection device so that the collection and treatment of waste gas does not affect the maintenance of the structure;

[0022] 3. The installation of stairs, walkways, ladders, etc., facilitates manual operation. The adsorption packing can be easily pulled out by pulling the handle, making it convenient to replace the packing and clean the filter screen. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the water plant waste gas treatment device of this utility model;

[0024] Figure 2 This is a schematic diagram of the waste gas collection device structure of the water plant waste gas treatment device of this utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the waste gas adsorption device in the water plant waste gas treatment device of this utility model;

[0026] Figure 4 This is a schematic diagram showing the disassembled state of the waste gas adsorption device of the water plant waste gas treatment device of this utility model.

[0027] Figure 5 This is a schematic diagram of the induced draft device of the water plant waste gas treatment device of this utility model.

[0028] In the diagram: 1. Structure, 2. Waste gas collection device, 3. Waste gas adsorption device, 4. Exhaust fan, 5. Exhaust device, 6. Inspection door, 7. Walkway, 8. Staircase, 9. Railing, 10. Ladder, 21. Bottom floor waste gas collection device, 22. Top floor waste gas collection device, 31. Fixed outer wall, 32. Movable outer wall, 33. Handle, 34. Protrusion, 35. Groove, 36. Guardrail, 37. Adsorption packing, 38. Filter grid, 41. Exhaust fan. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] like Figures 1-5 As shown, this utility model provides a water plant waste gas treatment device, including a structure 1, a waste gas collection device 2, a waste gas adsorption device 3, an exhaust fan 4, and an exhaust device 5.

[0033] The exhaust gas collection device 2 is installed on the top of the structure 1; the exhaust gas collection range of the exhaust gas collection device 2 covers the entire structure 1; the exhaust gas collection device 2 is a hollow structure, and an exhaust hole is opened on the top of the exhaust gas collection device 2; above the exhaust hole of the exhaust gas collection device 2, the exhaust gas adsorption device 3, the exhaust fan 4, and the exhaust device 5 are installed in layers from bottom to top. Among them, the exhaust fan 41 is installed inside the exhaust fan 4.

[0034] As a specific structure, the exhaust gas collection device 2 includes a bottom exhaust gas collection device 21 and a top exhaust gas collection device 22. The bottom exhaust gas collection device 21 is a hollow cylinder with the same diameter as the structure 1 and is fixed to the top of the structure 1. The top exhaust gas collection device 22 is an inverted hollow semi-ellipse and is fixed to the top surface of the bottom exhaust gas collection device 21. The exhaust port is opened at the top of the top exhaust gas collection device 22. The bottom exhaust gas collection device 21 is equipped with an inspection door 6. The height of the bottom exhaust gas collection device 21 is the same as that of the inspection door 6, both being 2000-2500mm. The opening diameter of the exhaust port of the top exhaust gas collection device 22 is the same as the inner diameter of the exhaust gas adsorption device 3, the induced draft device 4, and the exhaust device 5, all being 800-1200mm.

[0035] As a specific structure, the waste gas adsorption device 3 includes a fixed outer wall 31, a movable outer wall 32, a handle 33, a protrusion 34, a groove 35, a guardrail 36, an adsorption filler 37, and a filter grid 38.

[0036] The fixed outer wall 31 is fixedly connected to the waste gas collection device 2, and the handle 33 is provided on the outer side of the movable outer wall 32; the protrusions 34 are respectively provided at both ends of the inner side of the movable outer wall 32, and the grooves 35 are respectively provided at both ends of the inner side of the fixed outer wall 31. The positions of the protrusions 34 and the grooves 35 are matched to achieve the engaging connection between the movable outer wall 32 and the fixed outer wall 31. The movable outer wall 32 and the fixed outer wall 31 form a waste gas adsorption cavity.

[0037] A filter grid 38 is provided at the bottom of the waste gas adsorption chamber, and the filter grid 38 is fixedly connected to the bottom of the movable outer wall 32; an adsorption packing 37 is provided inside the waste gas adsorption chamber, and the adsorption packing 37 is located above the filter grid 38; a guardrail 36 is provided on the inner wall of the waste gas adsorption chamber that is attached to the fixed outer wall 31, the bottom of the guardrail 36 is fixed to the filter grid 38, and the two ends of the guardrail 36 are fixed to the two ends of the movable outer wall 32; the guardrail 36 and the inner wall of the movable outer wall 32 form a cavity for accommodating the adsorption packing 37.

[0038] In practical applications, both the guardrail 36 and the filter grid 38 are made of stainless steel; the pore size of the filter grid 38 is 1-2 mm. The adsorption filler 37 is activated carbon.

[0039] To facilitate maintenance, inspection, and replacement of the adsorption packing 37, the water plant exhaust gas treatment device is also equipped with a maintenance unit; the maintenance unit includes a walkway 7, stairs 8, railings 9, and ladders 10;

[0040] The walkway 7 is installed around the top perimeter of the structure 1. A staircase 8 is installed from the bottom of the structure 1 to the walkway 7. Railings 9 are installed on both sides of the walkway 7 and the staircase 8. A row of ladders 10 is installed from the bottom of the walkway 7 along the side wall of the exhaust gas collection device 2 to the top of the exhaust gas collection device 2. The height difference between the top of the exhaust device 5 and the walkway 7 is ≥15m.

[0041] The following is an example:

[0042] This embodiment provides a water plant waste gas treatment device, including a structure 1, a waste gas collection device 2, a waste gas adsorption device 3, an exhaust fan 4, and an exhaust device 5;

[0043] The exhaust gas collection device 2 is installed on the top of the structure 1. The exhaust gas collection device 2 consists of a bottom exhaust gas collection device 21 and a top exhaust gas collection device 22. The bottom exhaust gas collection device 21 is a hollow cylinder with the same diameter as the structure 1. An opening and an inspection door 6 are provided on the bottom exhaust gas collection device 21. The top exhaust gas collection device 22 is an inverted hollow semi-ellipse with an opening at the top. An exhaust gas adsorption device 3 is installed above the exhaust gas collection device 2. The exhaust gas adsorption device 3 consists of a fixed outer wall 31, a movable outer wall 32, a handle 33, a protrusion 34, a groove 35, a guardrail 36, adsorption packing 37, and a filter grid 38. The fixed outer wall 31 is fixedly connected to the exhaust gas collection device 2. The outer side of the movable outer wall 32... The handle 33 is provided. Two protrusions 34 are respectively provided at both ends of the inner side of the movable outer wall 32. Two grooves 35 are respectively provided at both ends of the inner side of the fixed outer wall 31. The positions of the protrusions 34 and the grooves 35 are matched. The filter grid 38 is provided at the bottom of the waste gas adsorption device 3. The filter grid 38 is fixedly connected to the movable outer wall 32. The adsorption filler 37 is provided above the filter grid 38. The guardrail 36 is provided on one side of the adsorption filler 37. The guardrail 36 is fixedly connected to the movable outer wall 32 and the filter grid 38. The exhaust fan 4 is provided above the waste gas adsorption device 3. The exhaust fan 41 is provided inside the exhaust fan 4. The exhaust device 5 is provided above the exhaust fan 4.

[0044] A walkway 7 is provided around the top perimeter of the structure 1. A staircase 8 is provided from the bottom of the structure 1 to the walkway 7. Railings 9 are provided on both sides of the walkway 7 and the staircase 8. A row of ladders 10 is provided from the bottom of the walkway 7 along the top of the exhaust gas collection device 2.

[0045] Wherein: the top opening diameter of the top-level exhaust gas collection device 22 is the same as that of the exhaust gas adsorption device 3, the exhaust fan 4, and the exhaust device 5, all being 800-1200mm. The height of the bottom-level exhaust gas collection device 21 is the same as that of the inspection door 6, both being 2000-2500mm. The guardrail 36 and the filter grid 38 are both made of stainless steel. The adsorption filler 37 is activated carbon or other fillers with adsorption function. The pore size of the filter grid 38 is 1-2mm. The height difference between the top of the exhaust device 5 and the walkway 7 is ≥15m.

[0046] This utility model provides a water plant waste gas treatment device, the working process of which is as follows:

[0047] This utility model provides a waste gas treatment device for a water plant. A waste gas collection device 2 is installed on the top of a structure 1, covering the entire structure. When the induced draft fan 41 in the induced draft device 4 is turned on, the waste gas generated during the operation of the structure 1 moves upward under the suction of the fan 41. It first passes through the filter grid 38 at the bottom of the waste gas adsorption device 3, which filters out larger impurities and prevents blockage of the adsorption device 3. Then it enters the adsorption device 3, where the adsorption packing 37 absorbs harmful substances from the waste gas. The adsorbed gas is then discharged into the atmosphere from the top of the exhaust device 5. When the adsorption packing 37 needs to be replaced periodically, it can be moved to the vicinity of the waste gas adsorption device 3 via the stairs 8, walkway 7, or ladder 10. Pulling the handle 33 will easily pull out the adsorption packing 37, facilitating the replacement of the adsorption packing 37 and the cleaning of the filter screen 38. After replacing the adsorption packing 37, the waste gas adsorption device 3 is equipped with protrusions 34 and grooves 35, which can accurately push the adsorption packing 37 back to its original position. Moreover, the guardrail 9 can prevent the adsorption packing 37 from spilling out during the pulling out and pushing back process. An inspection door 6 is set at the bottom of the waste gas collection device 2, so that the collection and treatment of waste gas does not affect the maintenance of the structure 1.

[0048] The water plant waste gas treatment device provided by this utility model has the following advantages:

[0049] 1. Installing exhaust gas collection and treatment facilities above the structure eliminates the need for ductwork, reduces investment, lowers the energy consumption of the exhaust fan, and does not require separate land occupation;

[0050] 2. An inspection door is installed at the bottom of the waste gas collection device so that the collection and treatment of waste gas does not affect the maintenance of the structure;

[0051] 3. The installation of stairs, walkways, ladders, etc., facilitates manual operation. The adsorption packing can be easily pulled out by pulling the handle, making it convenient to replace the packing and clean the filter screen.

[0052] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A water plant waste gas treatment device, characterized in that, It includes structures (1), waste gas collection devices (2), waste gas adsorption devices (3), exhaust devices (4), and exhaust devices (5); The exhaust gas collection device (2) is installed on the top of the structure (1); the exhaust gas collection range of the exhaust gas collection device (2) covers the entire structure (1); the exhaust gas collection device (2) is a hollow structure, and an exhaust hole is opened on the top of the exhaust gas collection device (2); above the exhaust hole of the exhaust gas collection device (2), the exhaust gas adsorption device (3), the air extraction device (4) and the exhaust device (5) are installed layer by layer from bottom to top.

2. The water plant waste gas treatment device according to claim 1, characterized in that, The exhaust gas collection device (2) includes a bottom exhaust gas collection device (21) and a top exhaust gas collection device (22); the bottom exhaust gas collection device (21) is a hollow cylinder with the same diameter as the structure (1) and is fixed to the top of the structure (1); the top exhaust gas collection device (22) is an inverted hollow semi-ellipse and is fixed to the top surface of the bottom exhaust gas collection device (21); the exhaust hole is opened at the top of the top exhaust gas collection device (22).

3. The water plant waste gas treatment device according to claim 2, characterized in that, The bottom exhaust gas collection device (21) is equipped with an inspection door (6); the height of the bottom exhaust gas collection device (21) is the same as that of the inspection door (6), both being 2000-2500mm.

4. The water plant waste gas treatment device according to claim 2, characterized in that, The diameter of the exhaust port of the top-level exhaust gas collection device (22) is the same as the inner diameter of the exhaust gas adsorption device (3), the air intake device (4) and the exhaust device (5), which is 800-1200mm.

5. The water plant waste gas treatment device according to claim 1, characterized in that, The waste gas adsorption device (3) includes a fixed outer wall (31), a movable outer wall (32), a handle (33), a protrusion (34), a groove (35), a guardrail (36), an adsorption filler (37), and a filter grid (38); The fixed outer wall (31) is fixedly connected to the waste gas collection device (2), and the handle (33) is provided on the outer side of the movable outer wall (32); the protrusions (34) are respectively provided at both ends of the inner side of the movable outer wall (32), and the grooves (35) are respectively provided at both ends of the inner side of the fixed outer wall (31). The positions of the protrusions (34) and the grooves (35) match, thereby realizing the engaging connection between the movable outer wall (32) and the fixed outer wall (31). The movable outer wall (32) and the fixed outer wall (31) form a waste gas adsorption cavity. A filter grid (38) is provided at the bottom of the waste gas adsorption chamber, and the filter grid (38) is fixedly connected to the bottom of the movable outer wall (32); an adsorption filler (37) is provided inside the waste gas adsorption chamber, and the adsorption filler (37) is located above the filter grid (38); a guardrail (36) is provided on the inner wall of the waste gas adsorption chamber that is attached to the fixed outer wall (31), the bottom of the guardrail (36) is fixed to the filter grid (38), and the two ends of the guardrail (36) are fixed to the two ends of the movable outer wall (32); the guardrail (36) and the inner wall of the movable outer wall (32) form a cavity for accommodating the adsorption filler (37).

6. The water plant waste gas treatment device according to claim 5, characterized in that, Both the guardrail (36) and the filter grid (38) are made of stainless steel; the filter grid (38) has a pore size of 1-2 mm.

7. A water plant waste gas treatment device according to claim 5, characterized in that, The adsorption filler (37) is activated carbon.

8. The water plant waste gas treatment device according to claim 1, characterized in that, The induced draft device (4) is equipped with an induced draft fan (41).

9. A water plant waste gas treatment device according to claim 1, characterized in that, The waste gas treatment device of the water plant is also equipped with a maintenance unit; the maintenance unit includes walkway (7), stairs (8), railings (9) and ladder (10); The walkway slab (7) is provided around the top perimeter of the structure (1), and the staircase (8) is provided from the bottom of the structure (1) to the walkway slab (7). The railings (9) are provided on both sides of the walkway slab (7) and the staircase (8). A row of ladders (10) is provided from the bottom of the walkway slab (7) along the side wall of the exhaust gas collection device (2) to the top of the exhaust gas collection device (2).

10. A water plant waste gas treatment device according to claim 9, characterized in that, The height difference between the top of the exhaust device (5) and the walkway plate (7) is ≥15m.

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