CN210507744U - Automatic balanced treatment system for harmful gas in municipal drainage pipe network - Google Patents
Automatic balanced treatment system for harmful gas in municipal drainage pipe network Download PDFInfo
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- CN210507744U CN210507744U CN201921303128.XU CN201921303128U CN210507744U CN 210507744 U CN210507744 U CN 210507744U CN 201921303128 U CN201921303128 U CN 201921303128U CN 210507744 U CN210507744 U CN 210507744U
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Abstract
The utility model provides an automatic balanced treatment system of municipal drainage pipe network harmful gas, including municipal drainage pipe network, air flow gravitation section of thick bamboo, intercommunication pipeline, air inlet mouth of pipe control valve, velocity of flow detection device and regulator. The drainage pipe network is distributed underground; the air flow attraction cylinder is a chimney type induced draft device which is vertically arranged on the ground of the edge of the city; the communicating pipeline is connected with the air flow gravity cylinder and the municipal drainage pipe network; the air inlet control valve is used for controlling the air inlet volume of the air inlet pipe orifice by controlling the opening size of the air inlet pipe orifice; the flow velocity detection device is used for detecting the flow velocity of gas in the main pipeline; the regulator is used for controlling the opening and closing degree of the air inlet control valve at the position of the air inlet pipe orifice at the far end of each main pipeline. The utility model discloses a directional flow of harmful gas and at flow in-process purification treatment in the underground piping is realized to the atmospheric pressure difference of low-order air inlet mouth of pipe and high-order air outlet, have that the energy consumption is low, the security is good, open and stop advantage such as nimble and service period limit for length.
Description
Technical Field
The utility model relates to a device is administered in drainage pipe network's environmental protection, and specifically speaking is a municipal administration drainage pipe network harmful gas's automatic balanced treatment system.
Background
Municipal drainage pipe network is one of the most important infrastructures in cities, wherein rainwater/sewage pipelines are as dense as cobweb and are distributed all over corners, the water flow of normal pipe network is tiny, the diameters of 1 meter, 1.5 meters and 2 meters are main drainage main pipelines, the tiny space of water flow in the pipelines is large, meanwhile, harmful gas generated and stored in the pipelines is counted by hundreds of millions of cubes, the harmful gas is scattered and diffused in disorder and is diffused and diffused in low altitude of cities, and the production and the life of citizens are seriously influenced, and the process of modern civilization is influenced.
According to the research and analysis of relevant experts, the daily excrement and domestic wastewater produced by families in a medium city can reach tens of thousands of tons, restaurants can leave hundreds of tons of food and dishes, and industrial wastewater can reach thousands of tons. The waste water is mixed in the rainwater/sewage pipeline, and is decomposed, mildewed and oxidatively decomposed to form harmful gases mainly comprising ammonia, ammonia oxide, chlorine, phosgene, hydrogen fluoride, sulfur dioxide, dipotassium sulfate and the like, the gases are mixed and reacted in the pipeline under the anaerobic condition to generate highly toxic gases such as chlorine, ethane, ethylene, carbon monoxide, nitrobenzene, hydrogen cyanide, hydrogen sulfide and the like, and the highly toxic gases are emitted from large and small orifices in urban areas through the star-and-roll chess cloth and spread in urban areas.
The toxic and harmful gases are accumulated and diffused and discharged in disorder for a long time under the ground, the urban air is polluted to the home, the toxic and harmful gases are diffused all the time and all the time, people are poisoned chronically, strange diseases show a growing trend, accidents of direct and rapid disability or death frequently occur, and the toxic gas fumigating injury events of operating personnel and drainage pipeline and septic tank explosion events which continuously occur in cities all over the country reported by media are enough for explaining the huge destructiveness of the harmful gases. It poses a great threat to the safety of urban infrastructure and people's life and property.
From the above, harmful gas in municipal rainwater and sewage pipelines becomes a hidden killer for the health of citizens, a serious hidden danger of urban public safety, and the biggest stubborn disease of urban management and operation for a long time. The method has the advantages of thoroughly treating harmful gases, playing an important role in improving the working and living environment of citizens, improving the health level and the quality of life, guaranteeing the safe operation of urban infrastructure, and preventing and stopping public safety accidents, and is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic balanced treatment system of municipal drainage pipe network harmful gas to solve the problem that the harmful gas in the municipal drainage pipe network is difficult to handle.
The utility model discloses a realize like this: the utility model provides an automatic balanced treatment system of municipal drainage pipe network harmful gas, includes:
the municipal drainage pipe network is formed by connecting a plurality of main pipelines, branch pipelines and local branch pipelines and is distributed under the ground of a city, each main pipeline is provided with at least one air inlet pipe opening with a far end connected in an open and exposed shape, and the main pipelines are connected to the lower end part of one air flow attraction cylinder distributed on the ground of the city through communication pipelines;
the air flow attraction cylinder is at least one chimney type air inducing device which is vertically arranged on the ground of the edge of the city and has the height of more than 10 meters;
the communicating pipeline is used for connecting a main pipeline of the municipal drainage pipe network and the air flow gravity cylinder;
the air inlet control valve is an electric control valve, is provided with a communication module for receiving a control instruction of the regulator, is arranged at the opening of the air inlet pipe and is used for controlling the air inlet volume passing through the opening of the air inlet pipe by controlling the opening size of the air inlet pipe;
the flow velocity detection device is arranged in the main pipeline adjacent to the air inlet pipe orifice, is used for detecting the flow velocity of gas in the main pipeline and transmits a flow velocity signal to the regulator; and
and the regulator is arranged in the central control room, communicates with all the air inlet control valves and all the flow detection devices through the communication module arranged in the central control room, and is used for controlling the opening and closing degree of the air inlet control valve at the far end air inlet pipe orifice of each main pipe according to the gas flow velocity signal in each main pipe so as to keep the air flow velocity in each main pipe in the whole municipal drainage pipe network basically consistent.
The utility model discloses still include:
and the gas purification device is respectively installed in a main pipeline of a municipal drainage pipe network and the air flow gravitation cylinder and is used for purifying harmful gas flowing through the drainage pipe network and the air flow gravitation cylinder.
The air inlet pipe mouth is a cone-shaped concrete structure body or a steel structure body which is arranged obliquely, the top opening end of the air inlet pipe mouth is a flat mouth end, the top opening end of the air inlet pipe mouth is higher than the ground by more than 10 meters, and the bottom opening end of the air inlet pipe mouth is a vertical mouth end connected with the main pipeline.
The air inlet control valve comprises a valve plate and a valve plate opening and closing mechanism; the valve plate opening and closing mechanism is a hydraulic cylinder or a driving motor capable of controlling the valve plate to move horizontally, the valve plate is erected on the top opening end of the air inlet pipe through a guide rail, and the valve plate opening and closing mechanism controls the valve plate to move on the top opening end according to an instruction sent by the regulator.
The utility model discloses an air flow gravitation section of thick bamboo of subaerial vertical setting and underground municipal drainage pipe network intercommunication, the atmospheric pressure difference that utilizes municipal drainage pipe network air inlet and air flow gravitation section of thick bamboo suitable for reading forms the directional convection current of the inside and outside conversion of pipeline air and flows, forms "convection effect", "siphon effect", "narrow tube effect" flow situation, makes the harmful gas flow gravitation section of thick bamboo direction flow to air flow in the whole municipal drainage pipe network, provides the initiative condition for eliminating the harmful gas. The utility model discloses an install air purification device again in municipal drainage pipe network and the air flow gravitation section of thick bamboo, can purify the harmful gas that forms in the municipal drainage pipe network after the discharge high altitude from the air flow gravitation section of thick bamboo, avoid in the municipal drainage pipe network harmful gas store up in the underground for a long time and unordered diffusion discharges.
The utility model discloses an inside velocity of flow detection device that sets up of municipal drainage pipe network, and set up the air inlet control valve at the orificial top open end of admitting air, the regulator is according to the opening and closing of the velocity of flow signal control air inlet control valve of the harmful gas in each municipal drainage pipe network that velocity of flow detection device sent, and then the intake in control municipal drainage pipe network, whole system's automatic control has both been realized, make the air flow rate in each municipal drainage pipe network unanimous basically again, thereby can guarantee each main line in the whole municipal drainage pipe network system, the harmful gas in branch pipeline and the local area network is whole effectively to the high altitude, and obtain purifying, healthy with the vast citizen of guarantee, reduce the pathogenic factor, improve the quality of living environment. The utility model discloses to the collection and the improvement of each city municipal administration drain pipe network in the whole country harmful gas, slow down and the suppression all have important realistic meaning and guide meaning.
Drawings
Figure 1 is the utility model discloses a municipal drainage pipe network distribution structure sketch map.
FIG. 2 is a schematic view of the connection structure between the main pipeline of the municipal drainage pipe network and the air flow gravity cylinder.
FIG. 3 is a schematic view of the structure of the air intake nozzle.
In the figure: 1. municipal drainage pipe networks; 2. a communicating pipeline; 3. an air flow gravity cylinder; 4. an air intake control valve; 5. an air inlet pipe orifice; 6. a valve plate; 7. and a hydraulic cylinder.
Detailed Description
The utility model discloses an take measures with current municipal drainage pipe network as the unit, take measures at drainage pipe network edge and city periphery, the original pipe network in urban area need not to change, makes the air flow in the municipal drainage pipe network and make it directional flow to the fermentation environment who breaks original pipe network "suppresses municipal drainage pipe network harmful gas from the root.
As shown in fig. 1 and 2, the utility model discloses a municipal drainage network 1, an air flow gravity cylinder 3, a communicating pipeline 2, an air inlet control valve 4, a flow velocity detection device, a regulator and a gas purification device.
The municipal drainage pipe network 1 is formed by connecting a plurality of main pipelines, branch pipelines and local branch pipelines, is distributed underground in a city, the far end of each main pipeline is provided with an air inlet pipe orifice 5 communicated to the ground, the air inlet pipe orifice 5 is arranged at the far end of the main pipeline, and each main pipeline is provided with at least one air inlet pipe orifice 5. As shown in fig. 3, the air inlet 5 is a concrete masonry or steel inclined cone-shaped structure, the top opening end of the air inlet 5 is a flat opening end horizontally arranged, the top opening end of the air inlet 5 is higher than the ground, the bottom opening end of the air inlet 5 is a vertical opening end connected with the end of a main pipeline, and the top opening end is higher than the ground, so that rainwater can be prevented from flowing backwards. For smooth ventilation, the sectional area of the smallest part of the air inlet pipe mouth 5 should be larger than that of the main pipeline, the inner wall of the air inlet pipe mouth 5 should be kept as smooth as possible, and the slope of the bottom surface of the air inlet pipe mouth 5 butted with the opening of the pipeline is preferably not more than 30 degrees. The air inlet pipe mouth 5 can also be made into a flat-bottom open groove-shaped concrete structure or a steel structure. If the air inlet pipe orifice is not constructed at the ground of the far-end part of the main pipeline, the air inlet pipe orifice can also be constructed at a proper position adjacent to the far-end part, at the moment, a port needs to be led out from a certain position of the far-end part of the main pipeline through a tee joint, and the port is horizontally led to the constructed air inlet pipe orifice, so that the aim of opening the far end of the main pipeline can also be fulfilled.
The number of the air flow gravity cylinders 3 can be set according to the area size of the main urban area of the city, and can be one or more than one. The air flow gravity cylinder 3 is a chimney type air inducing device vertically arranged on the ground of the edge of the city, and the height of the air flow gravity cylinder is more than 10 meters so as to increase the suction force of harmful gas in the sewage drainage network pipe 1.
As shown in fig. 2, the communication pipe 2 is an inclined pipe, one part of which is arranged underground and the other part of which is arranged on the ground, the port of the overground part of the communication pipe 2 is connected with the opening on the side wall of the bottom of the air flow gravity cylinder 3, and the port of the underground part is communicated with the main pipeline of the municipal drainage pipe network 1.
The air inlet control valve 4 is an electric control valve arranged in the air inlet pipe orifice 5, a communication module used for receiving a control instruction sent by the regulator is arranged in the electric control valve, and the air inlet control valve 4 controls the air inlet quantity passing through the air inlet pipe orifice by controlling the opening size of the air inlet pipe orifice. As shown in fig. 3, the intake control valve includes a valve plate 6 and a valve plate opening and closing mechanism, the valve plate 6 is erected on the top opening end of the intake pipe through a guide rail, the valve plate opening and closing mechanism is a hydraulic cylinder or a driving motor capable of controlling the translation of the valve plate 6, and the valve plate opening and closing mechanism of this embodiment is a hydraulic cylinder 7. The regulator sends out the automatically controlled instruction, and pneumatic cylinder 7 drives valve plate 6 and slides on the plain end at the top of air inlet pipe mouth 5, and then adjusts the aperture size of open end at the top.
The flow velocity detection device (not shown) can adopt a commercially available product and is respectively arranged in a main pipeline at the connection part of each air inlet pipe orifice 5, and a communication module used for signal interaction with the regulator is arranged in the flow velocity detection device and is mainly used for detecting the air velocity in the main pipeline and transmitting the flow velocity signal to the regulator in a wireless mode.
The regulator (not shown) may be a desktop computer, and is installed in the central control room of the system, and a communication module for communicating with all the intake air control valves 4 and all the flow rate detection devices is installed therein. The regulator can control the opening degree of the air inlet control valve 4 at the far end air inlet pipe orifice of each main pipeline according to the gas flow velocity signal in each main pipeline, so that the air velocity in the whole municipal drainage pipe network 1 is kept balanced and consistent.
A gas purification device (not shown) is installed in the municipal drainage pipe network 1 and the air flow gravity cylinder 3, and a commercially available product is used as the gas purification device to purify the harmful gas passing through the municipal drainage pipe network 1 and the air flow gravity cylinder 3.
The utility model discloses can realize automatic regulation control, flow velocity detection device will be responsible for the air speed signal transmission in the line and give the regulator when using, and the regulator passes through communication module control pneumatic cylinder 7 actions according to every air speed signal of being responsible for in the line, makes valve plate 6 horizontal migration to suitable position on the guide rail of installation on air inlet pipe orifice 2's open-top end to adjust and this strip of air inlet pipe orifice 5's that is responsible for the line and meets opening size, and then adjust the intake. Through the regulation to the air inlet pipe mouth 2 on each main line, finally make the air flow rate in whole municipal administration drain pipe net unanimous, avoided because of the resistance difference in each main line leads to some main line displacement big, some main line displacement is little phenomenon production.
The gas purification device in each municipal drainage pipe network 1 is classified and graded according to the characteristics of harmful gas in the pipeline, so that the harmful gas can be thoroughly removed.
The utility model discloses an based on aerodynamic principles such as "convection effect", "air siphon effect", "narrow tube effect", under the condition that need not other power basically, make the city use the district piece as the air in the municipal drainage pipe network of unit to flow constantly, provide the initiative condition for eliminating harmful gas and production.
The utility model discloses a have obvious technical characterstic and a kind of novel underground piping exhaust technique who uses the prospect, its main application advantage shows:
(1) the system realizes the pumping and discharging of the gas in the underground pipeline through the high-low port gas pressure difference convection during the operation, and has the advantages of low energy consumption, good safety, flexible start-stop, long service period and the like;
(2) large-scale electromechanical ventilation equipment is prevented from being arranged in the pipeline, the construction is simple, the maintenance workload is small, and the labor intensity and the maintenance burden of workers are effectively reduced;
(3) the influence on the structural form of the existing underground pipe network is small, the underground pipe network is convenient to be applied to the construction of a newly-built pipe network and the modification and upgrading of the existing pipe network, and the underground pipe network can be widely applied to the modification and upgrading of various large industrial parks and municipal drainage pipe networks.
Claims (4)
1. The utility model provides an automatic balanced treatment system of municipal drainage pipe network harmful gas, characterized by includes:
the municipal drainage pipe network is formed by connecting a plurality of main pipelines, branch pipelines and local branch pipelines and is distributed under the ground of a city, each main pipeline is provided with at least one air inlet pipe opening with a far end connected in an open and exposed shape, and the main pipelines are connected to the lower end part of one air flow attraction cylinder distributed on the ground of the city through communication pipelines;
the air flow attraction cylinder is at least one chimney type air inducing device which is vertically arranged on the ground of the edge of the city and has the height of more than 10 meters;
the communicating pipeline is used for connecting a main pipeline of the municipal drainage pipe network and the air flow gravity cylinder;
the air inlet control valve is an electric control valve, is provided with a communication module for receiving a control instruction of the regulator, is arranged at the opening of the air inlet pipe and is used for controlling the air inlet volume passing through the opening of the air inlet pipe by controlling the opening size of the air inlet pipe;
the flow velocity detection device is arranged in the main pipeline adjacent to the air inlet pipe orifice, is used for detecting the flow velocity of gas in the main pipeline and transmits a flow velocity signal to the regulator; and
and the regulator is arranged in the central control room, communicates with all the air inlet control valves and all the flow detection devices through the communication module arranged in the central control room, and is used for controlling the opening and closing degree of the air inlet control valve at the far end air inlet pipe orifice of each main pipe according to the gas flow velocity signal in each main pipe so as to keep the air flow velocity in each main pipe in the whole municipal drainage pipe network basically consistent.
2. The automatic balanced treatment system of municipal drainage pipe network harmful gas according to claim 1, characterized by further comprising:
and the gas purification device is respectively installed in a main pipeline of a municipal drainage pipe network and the air flow gravitation cylinder and is used for purifying harmful gas flowing through the drainage pipe network and the air flow gravitation cylinder.
3. The automatic balanced treatment system of the harmful gases in the municipal drainage pipe network according to claim 1 or 2, characterized in that the air intake pipe opening is an inclined conical concrete structure or steel structure, the top opening end of which is a flat end and is more than 10 meters higher than the ground, and the bottom opening end of which is a vertical end connected with the main pipeline.
4. The automatic balanced treatment system of municipal drainage pipe network harmful gases according to claim 3, characterized in that the inlet control valve comprises a valve plate and a valve plate opening and closing mechanism; the valve plate opening and closing mechanism is a hydraulic cylinder or a driving motor capable of controlling the valve plate to move horizontally, the valve plate is erected on the top opening end of the air inlet pipe through a guide rail, and the valve plate opening and closing mechanism controls the valve plate to move on the top opening end according to an instruction sent by the regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303128.XU CN210507744U (en) | 2019-08-13 | 2019-08-13 | Automatic balanced treatment system for harmful gas in municipal drainage pipe network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303128.XU CN210507744U (en) | 2019-08-13 | 2019-08-13 | Automatic balanced treatment system for harmful gas in municipal drainage pipe network |
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| CN210507744U true CN210507744U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117422271A (en) * | 2023-11-07 | 2024-01-19 | 南通恒源自控工程有限公司 | Pipe network scheduling adjustment method and system based on water quality data |
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2019
- 2019-08-13 CN CN201921303128.XU patent/CN210507744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117422271A (en) * | 2023-11-07 | 2024-01-19 | 南通恒源自控工程有限公司 | Pipe network scheduling adjustment method and system based on water quality data |
| CN117422271B (en) * | 2023-11-07 | 2024-05-14 | 南通恒源自控工程有限公司 | Pipe network scheduling adjustment method and system based on water quality data |
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