Exhaust device for sewage inspection well

Abstract

The utility model provides an exhaust device for a sewage inspection well, which comprises a rotating shaft vertically and rotatably mounted in the center of the sewage inspection well; the water turbine is fixedly mounted at the bottom end of the rotating shaft and is submerged below the water surface of a sewage pipeline communicated with the bottom of the sewage inspection well; the at least one exhaust fan is fixedly mounted on the rotating shaft and is used for blowing air towards the well lid of the sewage inspection well; the net partition plate is fixedly installed at the top end of the rotating shaft, a net bag is fixed to the net partition plate, and a particle structure used for adsorbing harmful gas is arranged in the net bag. The rotating shaft is driven by the water turbine through kinetic energy of sewage flow, then the exhaust fan is driven to work, an additional power source is not needed, the exhaust efficiency is greatly improved, and meanwhile energy consumption is reduced.

Description

Technical Field

[0001] This utility model relates to the field of urban drainage facilities technology, and in particular to a sewage manhole venting device. Background Technology

[0002] In urban drainage systems, sewage manholes are an indispensable part. However, traditional sewage manhole venting methods present numerous problems. On the one hand, the flow and decomposition of sewage in pipes generate large amounts of harmful gases, such as hydrogen sulfide and methane. If these gases are not discharged in a timely manner, they will not only pollute the surrounding environment but also pose a risk of combustion and explosion, endangering the lives of maintenance personnel. On the other hand, existing venting methods are inefficient and often fail to meet actual needs. Common natural ventilation methods are greatly affected by the external environment, while some simple mechanical ventilation devices suffer from high energy consumption and complex installation. Therefore, developing a highly efficient, energy-saving, safe, and reliable sewage manhole venting device is urgently needed. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a sewage manhole venting device. To achieve the above objectives, this utility model adopts the following technical solution:

[0004] A sewage manhole venting device includes:

[0005] The rotating shaft is vertically rotatable and installed at the center of the sewage manhole;

[0006] The water turbine is fixedly installed at the bottom of the rotating shaft and submerged below the water surface of the sewage pipe connected to the bottom of the sewage manhole;

[0007] At least one exhaust fan is provided, which is fixedly installed on the rotating shaft and used to blow air towards the sewage manhole cover;

[0008] A mesh partition is fixedly installed at the top of the rotating shaft. A mesh bag is fixed on the mesh partition, and the mesh bag contains granular structures for adsorbing harmful gases.

[0009] Furthermore, at least two bearings are rotatably mounted on the rotating shaft, and several support rods are fixedly connected to the outer ring of the bearings. Insert blocks are fixedly connected to the ends of the support rods, and locking blocks that are inserted into the corresponding insert blocks are fixedly installed on the inner wall of the sewage manhole.

[0010] Furthermore, the bearing is fitted with several retaining rings, which are located at both ends of the bearing and are used to limit the bearing's position.

[0011] Furthermore, a stop block is fixedly connected to the top of the insert block to limit its movement.

[0012] Furthermore, the net bag is made of non-woven fabric, with its edges fixed around the perimeter of the mesh partition, and an opening at the top that is tied in place.

[0013] Furthermore, the mesh bag is filled along the side edge of the mesh partition.

[0014] Furthermore, the particulate structure uses activated carbon or molecular sieves.

[0015] Furthermore, the turbine and exhaust fan are made of stainless steel.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The device utilizes the kinetic energy of the sewage flow to drive a rotating shaft, which in turn powers the exhaust fan. This eliminates the need for an additional power source, significantly improving exhaust efficiency and reducing energy consumption. The granular structure within the mesh bag adsorbs harmful gases, further purifying the air inside the sewage manhole and reducing pollution to the surrounding environment. The entire device mainly consists of a rotating shaft, a water turbine, an exhaust fan, and a mesh baffle. Installation and maintenance are relatively convenient, reducing operating costs. Furthermore, it effectively removes harmful gases, reducing the safety hazards caused by the accumulation of harmful gases and ensuring the safety of maintenance personnel. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0019] Figure 1 This is a cross-sectional structural diagram of an embodiment of the present utility model.

[0020] In the above attached figures: 1. Rotating shaft, 11. Bearing, 12. Support rod, 13. Insert block, 14. Retaining ring, 15. Block, 2. Water turbine, 3. Exhaust fan, 4. Mesh partition, 5. Mesh bag, 6. Granular structure, 7. Sewage manhole, 71. Locking block. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0022] This utility model provides, for example Figure 1 The sewage manhole venting device shown includes:

[0023] Rotating shaft 1 is vertically rotatably installed at the center of the sewage manhole 7;

[0024] The water turbine 2 is fixedly installed at the bottom of the rotating shaft 1 and submerged below the water surface of the sewage pipe connected to the bottom of the sewage manhole 7;

[0025] At least one exhaust fan 3 is provided, which is fixedly installed on the rotating shaft 1 and used to blow air towards the manhole cover of the sewage manhole 7;

[0026] A mesh partition 4 is fixedly installed at the top of the rotating shaft 1. A mesh bag 5 is fixed on the mesh partition 4, and a particulate structure 6 for adsorbing harmful gases is provided inside the mesh bag 5.

[0027] When sewage flows in the sewage pipe, the water flow impacts the water turbine 2, which drives the rotating shaft 1 to rotate. Since the rotating shaft 1 is vertically mounted at the center of the sewage manhole 7, the exhaust fan 3 fixed to it rotates accordingly, blowing air towards the manhole cover of the sewage manhole 7, expelling harmful gases upwards from the manhole. Simultaneously, the mesh bag 5 on the mesh partition 4 fixed to the top of the rotating shaft 1 contains granular structures 6 for adsorbing harmful gases. During rotation, these structures further adsorb any remaining harmful gases, purifying the air inside the manhole.

[0028] In this embodiment, to facilitate the disassembly and installation of the exhaust device, such as Figure 1 As shown, at least two bearings 11 are rotatably mounted on the rotating shaft 1. Several support rods 12 are fixedly connected to the outer ring of each bearing 11. Insert blocks 13 are fixedly connected to the ends of the support rods 12. Clamping blocks 71, which engage with the corresponding insert blocks 13, are fixedly installed on the inner wall of the sewage manhole 7. By inserting the insert blocks 13 of the venting device into the clamping blocks 71 on the wall of the sewage manhole 7, the rotating shaft 1 is vertically installed in the sewage manhole 7, facilitating installation and disassembly.

[0029] In this embodiment, to prevent the bearing 11 from sliding, such as Figure 1 As shown, a plurality of retaining rings 14 are snapped onto the bearing 11, and the retaining rings 14 are located at both ends of the bearing 11 to limit the bearing 11. Alternatively, a protrusion is provided on the rotating shaft 1, the bearing 11 is sleeved on the protrusion, and the retaining rings 14 are threadedly connected to the rotating shaft 1 to limit the bearing 11.

[0030] In this embodiment, to prevent the insert block 13 from disengaging from the latch block 71, such as Figure 1 As shown, a stop block 15 is fixedly connected to the top of the insert block 13 to limit the position of the insert block 13.

[0031] In this embodiment, to facilitate cleaning or replacement of the particulate structure 6 that adsorbs harmful gases, such as Figure 1 As shown, the net bag 5 is made of non-woven fabric, the edges of the net bag 5 are fixed around the mesh partition 4, and the top is provided with an opening and tied.

[0032] In this embodiment, in order to improve the adsorption of harmful gases, such as Figure 1 As shown, the mesh bag 5 is filled along the side edge of the mesh partition 4. The gap between the mesh partition 4 and the sewage manhole 7 is filled by the mesh bag 5 filled with granular structure 6 to prevent odor from escaping.

[0033] In this embodiment, the particulate structure 6 uses activated carbon or molecular sieves. This is low-cost and more convenient.

[0034] To improve the durability of the exhaust system, the turbine 2 and the exhaust fan 3 are made of stainless steel.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A sewage manhole venting device, characterized in that, The utility model relates to a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

2. A sewage well exhaust apparatus according to claim 1, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

3. A sewage well exhaust apparatus according to claim 2, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

4. A sewage well exhaust apparatus according to claim 2, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

5. A sewage well exhaust apparatus according to claim 1, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

6. A sewage well exhaust apparatus according to claim 5, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

7. A sewage well exhaust apparatus according to claim 1, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure.

8. A sewage well exhaust apparatus according to claim 1, wherein: The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility model discloses a sewage well cover with a water turbine and a gas fan, and a net partition plate with a mesh bag filled with a granular structure. The utility

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