CN216195333U - Rainwater regulation and storage tank for preventing sediment deposition - Google Patents
Rainwater regulation and storage tank for preventing sediment deposition Download PDFInfo
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- CN216195333U CN216195333U CN202122607711.3U CN202122607711U CN216195333U CN 216195333 U CN216195333 U CN 216195333U CN 202122607711 U CN202122607711 U CN 202122607711U CN 216195333 U CN216195333 U CN 216195333U
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Abstract
The utility model discloses a rainwater storage tank for preventing sediment deposition, which comprises a tank body, a rainwater storage tank and a rainwater storage tank, wherein a primary rainwater inlet is formed in the side wall of the front end of the tank body; a water collecting pit is arranged at the bottom of the rear end in the tank body; the sewage pump is arranged in the sump through lifting equipment, and an output pipeline of the sewage pump is connected with a municipal sewage pressure pipe network; the aeration main pipe extends from the front end of the bottom in the tank body to the sump, and a plurality of aeration jet inclined pipes inclined towards the sump are uniformly arranged at the bottom of the aeration main pipe; the blower arranged outside the tank body is connected with one end of the main aeration pipe through an air pipe. This rainwater regulation pond can spray to the silt of piling up in regulation pond bottom and avoid piling up, and silt flows to the sump pit and makes things convenient for the sewage pump to take silt out, has that the energy consumption is low, easy operation, just can the outside maintenance in the regulation pond, has improved maintenance personal's security.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to a rainwater storage tank capable of preventing sediment deposition.
Background
In recent years, the pollution problem of initial rainwater in runoff of rainwater is widely concerned at home and abroad, and the initial rainwater refers to the rainwater at the initial stage of the runoff formed in different catchment surfaces and pipe ducts. Under the rainfall condition, the urban ground is flushed by rainwater and runoff, so that the initial rainwater contains a large amount of pollutants. If this part of rainwater is directly discharged, the pollution of surface water and receiving water body is increased. When the concentration of the pollutants exceeds the self-purification capacity of the received water body, environmental problems such as eutrophication, water bloom and the like are easily caused, and the sustainable utilization of water resources is influenced. Therefore, it is necessary to treat the initial rainwater of the city.
The function of the initial rain storage tank is that when rainfall increases, initial rain and domestic sewage which are too late to be discharged in public areas such as urban squares and residential quarters are temporarily stored in the initial rain storage tank, and are discharged to a sewage treatment plant after the rainfall. However, the rainwater in the initial stage has higher pollution load, and the pollutant is remained on the ground, and simultaneously, the rainwater can carry a large amount of accumulated black mud in the pipeline to enter the regulation and storage tank, and after a period of storage, a large amount of silt is deposited at the bottom of the tank, and the silt at the bottom of the tank can be blackened and smelled, and toxic and harmful combustible gas is generated, and once the sewage is emptied, the silt at the bottom of the tank is difficult to remove.
At present, the method for clearing sludge in the storage tank mainly comprises the following steps: manual cleaning, submersible stirring flushing, water ejector flushing, hydraulic tipping bucket flushing and gate type self-flushing. The methods have the defects of more operation flows of different programs, more potential safety hazards of the bottom of the pool under personnel, easy damage of equipment, high construction cost, complex management and maintenance and the like.
SUMMERY OF THE UTILITY MODEL
Based on the problems in the prior art, the utility model aims to provide a rainwater storage tank for preventing sediment deposition, which can solve the problems of the existing primary rainwater storage tank that the number of operation processes is large, the potential safety hazard of workers on the bottom of the tank is large, the equipment is easy to damage, the construction cost is high, and the management and maintenance are complex due to the cleaning mode of a large amount of sediment deposition tank bottoms.
The purpose of the utility model is realized by the following technical scheme:
the embodiment of the utility model provides a rainwater storage tank for preventing sediment deposition, which comprises,
a primary rain inlet is arranged on the side wall of the front end of the tank body;
a water collecting pit is arranged at the bottom of the rear end in the tank body; the sewage pump is arranged in the sump through lifting equipment, and an output pipeline of the sewage pump is connected with a municipal sewage pressure pipe network;
the aeration main pipe extends from the front end of the bottom in the tank body to the sump, and a plurality of aeration jet inclined pipes inclined towards the sump are uniformly arranged at the bottom of the aeration main pipe;
and the blower arranged outside the tank body is connected with one end of the main aeration pipe through an air pipe.
According to the technical scheme provided by the utility model, the rainwater storage tank for preventing sediment deposition provided by the embodiment of the utility model has the beneficial effects that:
the aeration main pipe with a plurality of inclined aeration injection inclined pipes is arranged at the bottom of the tank body, and is matched with a sewage pump in the sump, sludge accumulated at the bottom of the regulation and storage tank is injected through a plurality of groups of aeration injection inclined pipes to avoid accumulation, and meanwhile, the sludge flows to the sump to be convenient for the sewage pump to pump out the sludge; when equipment fails, the equipment can be maintained outside the storage tank, so that the safety of maintenance personnel is improved; this rainwater regulation pond can be fine solution prior art to regulation pond desilting mud operation flow many, personnel down the bottom of the pool potential safety hazard many, equipment fragile, engineering cost is high, the problem of management maintenance complicacy, have the energy consumption low, the device is simple, low maintenance volume, safety and stability's advantage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of a rainwater storage tank for preventing sediment deposition according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
the parts corresponding to each mark in the figure are: 1-a pool body; 2-a blower; 3-an aeration one-way valve; 4-aeration manual gate valve; 5-aeration main pipe; 6-aeration jet inclined pipe; 7-initial rainwater sludge layer; 8-a sewage pump; 9-sewage one-way valve; 10-sewage manual gate valve; 11-a lifting device; 12-a sump; 13-initial rain inlet.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. Details which are not described in detail in the embodiments of the utility model belong to the prior art which is known to the person skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a rainwater storage tank for preventing sediment deposition, including,
a primary rain inlet 13 is arranged on the side wall of the front end of the tank body 1;
a water collecting pit 12 is arranged at the bottom of the rear end in the tank body 1; the sewage pump 8 is arranged in the sump 12 through a lifting device 11, and an output pipeline of the sewage pump 8 is connected with a municipal sewage pressure pipe network;
the aeration main pipe 5 extends from the front end of the bottom in the tank body 1 to the sump 12, and a plurality of aeration injection inclined pipes 6 inclined to the sump 12 are uniformly arranged at the bottom of the aeration main pipe 5;
and a blower 2 arranged outside the tank body 1 is connected with one end of the main aeration pipe 5 through an air pipe.
Among the above-mentioned rainwater regulation pond, install the sewage pump in the sump pit through jacking equipment, can conveniently promote the sewage pump to the pond external maintenance, need not like this that operating personnel down can maintain the sewage pump to the pond body bottom, guaranteed operating personnel's security.
Referring to fig. 2, in the rainwater storage tank, an included angle between the inclined direction of each aeration injection inclined pipe 6 and the horizontal plane is 45-60 degrees;
the distance between two adjacent aeration jet inclined pipes 6 is 0.5-1 m;
the distance between each aeration jet inclined pipe 6 and the bottom wall of the tank body 1 is 25-35 cm.
Set up according to this kind of mode and set up a plurality of aeration injection pipe chute 6 in 5 bottoms of aeration main pipe, can be under the effect of air-blower aeration, the sedimentary sediment of disturbance cell body 1 bottom, flow direction sump 12, convenient taking out to municipal sewage pressure pipe network by sewage pump 8 again, avoid the sedimentary sediment in cell body 1, this kind of mode of washing bottom of the pool mud is simple, convenient, controllability and cleaning performance are good, and is with low costs.
In the rainwater regulation pond, a sewage pump 8 is connected with an output pipeline of a municipal sewage pressure pipe network and is sequentially provided with a sewage check valve 9 and a manual sewage gate valve 10. The convenience of sludge discharge control can be improved.
In the rainwater regulation pond, an aeration one-way valve 3 and an aeration manual gate valve 4 are sequentially arranged on an air pipe of the air blower 2. The convenience of cleaning control can be improved.
According to the rainwater storage tank, the aeration main pipe with the plurality of inclined aeration injection inclined pipes is arranged at the bottom of the tank body, and is matched with a sewage pump in the sump, sludge accumulated at the bottom of the storage tank is injected through the plurality of groups of inclined aeration injection pipes to avoid accumulation, and meanwhile, the sludge flows to the sump to be convenient for the sewage pump to pump out the sludge; when equipment fails, the equipment can be maintained outside the storage tank, so that the safety of maintenance personnel is improved; this rainwater regulation pond can be fine solution prior art to regulation pond desilting mud operation flow many, personnel down the bottom of the pool potential safety hazard many, equipment fragile, engineering cost is high, the problem of management maintenance complicacy, have the energy consumption low, the device is simple, low maintenance volume, safety and stability's advantage.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an embodiment of the present invention provides a rainwater storage tank for preventing sediment deposition, including: cell body 1, air-blower 2 and sewage pump 8, sump pit 12 has been seted up to 1 diapire of cell body, sewage pump 8 arranges in sump pit 12 through jacking equipment 11, 8 output ends of sewage pump are connected with municipal sewage pressure pipe network, 1 lateral wall of cell body is seted up and is supplied the first rain entry 13 that just rain got into, 1 outside of cell body is arranged in to air- blower 2, 2 output ends of air-blower are connected with the aeration and are responsible for 5, 5 horizontal ends of aeration is responsible for and is on a parallel with 1 diapire of cell body and extend to sump pit 12, 5 horizontal end bottom of aeration is responsible for evenly communicates the aeration injection pipe chute 6 to the 12 slopes of sump pit.
Further, the output end of the sewage pump 8 is connected with the municipal sewage pressure pipe network through a sewage check valve 9 and a sewage manual gate valve 10, and the sewage check valve 9 prevents the sewage in the municipal sewage pressure pipe network from entering the pool body 1.
Further, the included angle between the inclined direction of the aeration injection inclined pipe 6 and the horizontal plane is 45-60 degrees, the distance between every two adjacent aeration injection inclined pipes 6 is 0.5-1 m, and the distance between the aeration injection inclined pipe 6 and the bottom wall of the tank body 1 is 25-35 cm, so that the sludge injection force of the aeration injection inclined pipe 6 to the bottom wall of the tank body 1 is a better position and angle.
Further, be provided with aeration hand gate valve 4 and aeration check valve 3 between air-blower 2 and the aeration main pipe 5, aeration check valve 3 makes aeration main pipe 5 inside have certain air to carry out the pressurize when not using, avoids the more silt of cell body 1 to get into aeration main pipe 5, causes the jam of aeration main pipe 5 and aeration injection pipe chute 6, avoids sewage, the silt in the cell body 1 to pass through aeration main pipe 5 and reverse flow to the air-blower 2 in.
One embodiment of the utility model:
the blower 2 is a roots blower, and the sewage pump 8 and the lifting device 11 are all directly purchased in the prior art.
Initial rain and domestic sewage which are not discharged in time in public areas such as urban squares and residential quarters are temporarily discharged into the pool body 1 through the initial rain inlet 13, an initial rain sludge layer 7 is formed in the pool body 1, and the sewage is prevented from being discharged to a sewage treatment plant in the peak period of drainage of municipal sewage pipes after rainfall.
Before sewage in the pool body 1 needs to be discharged to a sewage treatment plant, the air blower 2 needs to be started to work for 5-10 min, at the moment, the sewage pump 8 stops working, the air blower 2 conveys external air into the aeration main pipe 5 through the aeration one-way valve 3 and the aeration manual gate valve 4, the air in the aeration main pipe 5 is sprayed towards the bottom wall of the pool body 1 through the multiple groups of aeration spraying inclined pipes 6, sludge on the bottom wall of the pool body 1 can be effectively disturbed, the sludge is in a suspension state, and the sludge is pushed towards the direction of the water collecting pit 12 under the pushing flow effect of the aeration spraying inclined pipes 6, so that a vortex effect is generated in the pool body 1 to keep the sludge not deposited on the bottom wall of the pool body 1;
the aeration jet inclined pipes 6 are uniformly distributed at the position 30cm above the bottom wall of the tank body 1, the included angle between each aeration jet inclined pipe 6 and the horizontal plane is 50 degrees, the distance between every two adjacent aeration jet inclined pipes 6 is 0.6m, and the aeration jet inclined pipes 6 are inclined towards the water collecting pit 12, so that the gas sprayed by the aeration jet inclined pipes 6 blows up the sludge on the bottom wall of the tank body 1 and flows towards the water collecting pit 12, the dissolved oxygen in the sewage is increased by the gas sprayed by the aeration jet inclined pipes 6, the problem that the sludge and the sewage at the bottom of the regulating and storing tank are black and smelly is solved, the generation amount of toxic and harmful combustible gas in a water storage area of the regulating and storing tank is greatly reduced, and the operation safety of the regulating and storing tank is improved;
the air blower 2 is placed in an equipment room above the surface of the tank body 1, and the sewage pump 8 can be separated from the tank body 1 through the lifting equipment 11, so that the maintenance and the repair of electromechanical facilities are in safe areas, the arrangement of pipes is mainly arranged under the tank, the facilities under the tank are maintenance-free, and the operation safety of the tank body facilities is greatly improved.
The lifting device 11 and the sewage pump 8 are driven to lift by coupling connection, which is a conventional technical means of people in the field, and the lifting device 11 is not the key point of protection of the technical scheme and is not specifically described;
when the sewage pump 8 pumps the sewage in the pool body 1 to the municipal sewage pressure pipe network, the liquid level of the sewage pump 8 is kept lower than the horizontal plane by 20 cm;
the inner diameter of the aeration jet inclined pipe 6 is 12mm, so that the sufficient jet force of the gas is ensured and the blockage by the sludge is avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A rainwater storage tank for preventing sediment deposition is characterized by comprising,
a primary rain inlet (13) is arranged on the side wall of the front end of the tank body (1);
a water collecting pit (12) is arranged at the bottom of the rear end in the tank body (1); the sewage pump (8) is arranged in the sump (12) through a lifting device (11), and an output pipeline of the sewage pump (8) is connected with a municipal sewage pressure pipe network;
the aeration main pipe (5) extends from the front end of the bottom in the tank body (1) to the sump (12), and a plurality of aeration injection inclined pipes (6) inclined to the sump (12) are uniformly arranged at the bottom of the aeration main pipe (5);
and the blower (2) arranged outside the tank body (1) is connected with one end of the main aeration pipe (5) through an air pipe.
2. The rainwater storage tank for preventing sediment deposition according to claim 1,
the inclined angle between the inclined direction of each aeration jet inclined pipe (6) and the horizontal plane is 45-60 degrees;
the distance between two adjacent aeration jet inclined pipes (6) is 0.5-1 m;
the distance between each aeration jet inclined pipe (6) and the bottom wall of the tank body (1) is 25-35 cm.
3. A rainwater storage tank for preventing sediment according to claim 1 or 2, wherein the sewage pump (8) is connected with the output pipeline of the municipal sewage pressure pipe network and is sequentially provided with a sewage check valve (9) and a sewage manual gate valve (10).
4. A rainwater storage tank for preventing sediment according to claim 1 or 2, wherein an aeration check valve (3) and an aeration manual gate valve (4) are arranged on the wind pipe of the blower (2) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607711.3U CN216195333U (en) | 2021-10-28 | 2021-10-28 | Rainwater regulation and storage tank for preventing sediment deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607711.3U CN216195333U (en) | 2021-10-28 | 2021-10-28 | Rainwater regulation and storage tank for preventing sediment deposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216195333U true CN216195333U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122607711.3U Active CN216195333U (en) | 2021-10-28 | 2021-10-28 | Rainwater regulation and storage tank for preventing sediment deposition |
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| Country | Link |
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| CN (1) | CN216195333U (en) |
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2021
- 2021-10-28 CN CN202122607711.3U patent/CN216195333U/en active Active
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