CN112459216A - Accident pool with functions of dirt removal, diversion and rainwater utilization - Google Patents
Accident pool with functions of dirt removal, diversion and rainwater utilization Download PDFInfo
- Publication number
- CN112459216A CN112459216A CN202011262333.3A CN202011262333A CN112459216A CN 112459216 A CN112459216 A CN 112459216A CN 202011262333 A CN202011262333 A CN 202011262333A CN 112459216 A CN112459216 A CN 112459216A
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- Prior art keywords
- accident
- rainwater
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- distribution well
- water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention provides an accident pool with functions of dirt removal, diversion and rainwater utilization. The invention comprises an accident distribution well, a precipitation tank, a rainwater recycling area and an accident wastewater area, wherein the input end of the accident distribution well is connected with an accident wastewater pipeline, a first outlet of the accident distribution well is connected with the accident wastewater area through a first electric valve, a second outlet of the accident distribution well is connected with the precipitation tank through a second electric valve, the precipitation tank is connected with the rainwater recycling area, a water quality detector is arranged in the accident distribution well and connected with a control system, and based on the detection result of the water quality detector, the water entering the accident distribution well is judged to be accident sewage or rainwater, so that the control system controls the opening and closing state of each electric valve. The invention solves the problem of dirt removal and confluence of the accident pool and realizes the function of recycling clean rainwater. The sewage disposal and flow distribution can realize automatic control, reduce the risk of manual control and reduce the water treatment load of the sewage treatment station.
Description
Technical Field
The invention relates to the technical field of water supply and drainage in a factory, in particular to an accident water tank with functions of sewage disposal and diversion and rainwater utilization.
Background
The accident water pool is a safety measure for collecting production accident wastewater, fire accident wastewater and initial rainwater in petrochemical plants and other industrial plants, and is particularly suitable for a device area or a tank area provided with a cofferdam. When the accident happens or after the accident happens, initial rainwater and rainstorm can be caused to enter the accident pool during raining, the initial rainwater stage is judged whether to pass by according to the duration of rainfall or the depth of rainfall by manpower, a large amount of clean rainwater can be caused to enter the accident pool to be mixed with polluted wastewater, the problem of sewage disposal and confluence is caused, the volume of the accident pool is larger, the construction cost is increased, and the burden of subsequent sewage treatment can be increased.
Disclosure of Invention
In view of the above-mentioned technical problems, an emergency pool with functions of sewage disposal and rainwater diversion is provided. According to the invention, the polluted wastewater and the clean rainwater are guided by the pool body structure and the automatic control detection mode, the polluted wastewater enters the sewage area, and the clean rainwater enters the reuse area for storage and utilization. The technical means adopted by the invention are as follows:
the utility model provides an accident pond that possesses reposition of redundant personnel of decontaminating and rainwater utilization function, includes accident distribution well, precipitation tank, rainwater retrieval and utilization district and accident waste water district, accident waste water pipeline is connected to accident distribution well's input, accident distribution well's first export through first motorised valve with accident waste water district links to each other, accident distribution well's second export through the second motorised valve with the precipitation tank links to each other, the precipitation tank with rainwater retrieval and utilization district links to each other, be equipped with the water quality testing appearance in the accident distribution well, the water quality testing appearance links to each other with control system, and based on water quality testing appearance testing result, judges that the water that gets into accident distribution well is accident sewage or rainwater, and then the on-off state of each motorised valve of control system control.
Further, the reuse water tank is connected with a municipal rainwater pipe network.
Further, the precipitation tank is connected with the accident wastewater area through a third electric valve, and a water inlet of the precipitation tank is connected with a plant area rainwater pipe network.
Furthermore, a first submersible centrifugal pump is arranged in the polluted area of the accident water tank and used for conveying sewage to a sewage treatment station; and the rainwater recycling area is provided with a second submersible centrifugal pump for conveying rainwater to a water utilization pipe network in the plant area.
Further, first dive centrifugal pump and second dive centrifugal pump all link to each other with control system, all be equipped with the level gauge in accident waste water district and the rainwater retrieval and utilization district, based on the preset pump liquid level of opening and the liquid level of stopping pumping, control opening of dive centrifugal pump stops.
The invention has the functions of cleaning and shunting sewage and utilizing rainwater, and can realize two working conditions through an accident distribution well, a water quality detector, an electric gate, a settling tank and the like. The first working condition is the sewage cleaning and distributing function of sewage and rainwater in the device area and the tank area, accident wastewater enters the polluted area, and clean rainwater enters the recycling area. And under the second working condition, rainwater in the whole plant area passes through the precipitation tank, so that a rainwater utilization function is realized, and meanwhile, overflowing rainwater enters the municipal rainwater pipe network without increasing the extra volume of a rainwater reuse area.
Compared with the prior art, the invention has the following advantages:
1. the problem of dirt removal and confluence of the accident pool is solved, and the function of recycling clean rainwater is realized.
2. The sewage disposal and flow distribution can realize automatic control, reduce the risk of manual control and reduce the water treatment load of the sewage treatment station.
3. The storage and utilization of clean rainwater in the whole plant area are realized, the water consumption for green land watering and road cleaning watering can be reduced, the water resource utilization rate is improved, the integral volume of an accident pool is reduced, the construction cost is reduced, and certain economic benefits are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a plan view of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
In the figure: 1. an accident distribution well; 2. a settling tank; 3. a rainwater recycling area; 4. an accident waste water area; 5. a control cabinet; 6. a first electrically operated valve; 7. a second electrically operated valve; 8. a third electrically operated valve; 9. a water quality detector; 10. A liquid level detector; 11. a first submersible centrifugal pump; 12. a second submersible centrifugal pump; 13. to a sewage treatment station; 17. a first manual gate; 18. a second manual gate; 19. a third manual gate; 20. intercepting a grating; 21. a breathing tube; 22. a manhole; 23. a plant area rainwater pipe network; 24. connecting an accident sewage pipeline; 25. an overflow weir; 26. and (6) an access hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the invention discloses an accident pool with functions of sewage disposal and rainwater utilization, which comprises an accident distribution well, a precipitation tank, a rainwater recycling area and an accident wastewater area, wherein the input end of the accident distribution well 1 is connected with an accident wastewater pipeline 24, the first outlet of the accident distribution well is connected with the accident wastewater area 4 through a first electric valve 6, the second outlet of the accident distribution well is connected with the precipitation tank 2 through a second electric valve 7, the precipitation tank 2 is connected with the rainwater recycling area 3, a water quality detector 9 is arranged in the accident distribution well 1, the water quality detector 9 is connected with a control system, and based on the detection result of the water quality detector, whether water entering the accident distribution well is accident sewage or rainwater is judged, so that the control system controls the opening and closing states of the electric valves.
The reuse tank is connected to a municipal storm water pipe network 14.
The precipitation tank is connected with the accident wastewater area through a third electric valve 8, a water inlet of the precipitation tank is connected with a plant area rainwater pipe network 23, and accordingly, each electric door is further provided with a manual valve, such as a first manual gate 17, a second manual gate 18 and a third manual gate 19.
The accident water tank is provided with a first submersible centrifugal pump 11 in a polluted area and conveys sewage to a sewage treatment station 13; the rainwater recycling area is provided with a second submersible centrifugal pump 12 for conveying rainwater to a water recycling pipe network 15 in the plant area.
First dive centrifugal pump and second dive centrifugal pump all link to each other with control system, all be equipped with level gauge 10 in accident waste water district and the rainwater retrieval and utilization district, based on predetermined pump liquid level of opening and the liquid level of stopping pumping, control opening of dive centrifugal pump stops.
Two working conditions can be realized through the accident distribution well and the settling tank at the front end of the accident pool.
The first working condition is a decontamination and shunting function, when production materials are leaked or a fire disaster occurs to generate fire-fighting accident water in a device area or a tank area, accident wastewater enters an accident water pool front-end accident distribution well, COD (chemical oxygen demand) and other on-line monitors in a well detect water quality pollution and then feed back to a control cabinet, the control cabinet is interlocked to open a normally closed electric gate 1, and the accident wastewater enters a pollution accident water pool. After rainfall is generated in the device area or the tank area, initial rainwater enters the accident distribution well, after the distribution well detects polluted water quality initially, the polluted water quality is fed back to the control cabinet to open the normally closed first electric gate in a linkage mode, the water quality is gradually improved after the initial rain, after the water quality index detected by the online water quality detector meets the rainwater utilization water quality standard, the first electric gate is closed in a linkage mode, the second electric gate is opened, clean rainwater enters the clean rainwater reuse tank through the overflow of the settling tank, and when rainstorm occurs, the rainwater amount exceeds the set volume of the clean rainwater reuse tank, and then the rainwater amount overflows into the municipal rainwater pipe network.
Working condition two is the rainwater utilization function, clean rainwater of initial stage rainwater and follow-up rainwater accessible accident distribution well water conservancy diversion gets into the retrieval and utilization pond part in device district and the jar district, factory's rainwater pipe network 16 inserts the precipitation tank in accident pond in addition, initial stage rainwater overflow gets into pollutes the accident pond, treat that radar level gauge detects chain closure third electric gate after the end of the first rain, clean rainwater passes through overflow weir 25 and interception grid 20 and gets into clean rainwater retrieval and utilization pond this moment, when meetting the torrential rain, the rainfall exceeds after clean rainwater retrieval and utilization pond sets up the volume, the overflow gets into municipal rainwater pipe network.
The data communication of the accident pool control system adopts the industrial Ethernet with a star-shaped topological structure, and the central node of the industrial Ethernet adopts a 100M industrial Ethernet switch, so that the rapidness and the reliability of the network are ensured.
The control system selects PLC automatic control, which is integrated in the control cabinet 5, when the manual/automatic switch on the field box selects the automatic mode, the sewage disposal and distribution device is automatically controlled by the PLC, the PLC automatically collects the data of the water inlet COD detector and the radar level gauge, and controls the switch of the electric gate.
Manual control: when the PLC fails or needs manual operation, the manual/automatic switch on the field box is selected to be manual, and the switch of the electric valve can be controlled through the start-stop button on the field box.
The longest delay time of the detection and the linkage valve opening does not exceed 60s, and the specific delay time can be manually adjusted; the display screen and the operation panel are arranged outside the whole control box body, the opening and closing state of the electric gate can be seen, the water inflow COD detection numerical value can be seen, the display screen can display equipment fault signals at the same time, and the control functions of manually modifying set data on site and the like are achieved.
The clearance of the project interception grating is 5mm, and the material is SS304 stainless steel; the overflow weir is 730mm higher than the bottom of the pool;
the height of the accident distribution pool is lower than the height of 900-1000mm in the accident water inlet pipeline, and the height of the accident waste water area and the rainwater recycling area is lower than the height of 1600mm in the accident and rainwater inlet pipeline. The water absorption pit depth of the first submersible pump and the second submersible pump is about 1000mm lower than the tank bottom elevation of the accident wastewater area and the rainwater recycling area. In addition, the water basin also comprises an access hole 26, a manhole 22 and a breathing pipe 21.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides an accident pond that possesses reposition of redundant personnel of decontaminating and rainwater utilization function, its characterized in that, includes accident distribution well, precipitation tank, rainwater retrieval and utilization district and accident waste water district, accident waste water pipeline is connected to accident distribution well's input, accident distribution well's first export through first motorised valve with accident waste water district links to each other, accident distribution well's second export through the second motorised valve with the precipitation tank links to each other, the precipitation tank with rainwater retrieval and utilization district links to each other, be equipped with the water quality testing appearance in the accident distribution well, the water quality testing appearance links to each other with control system, based on the water quality testing appearance testing result, judges that the water that gets into accident distribution well is accident sewage or rainwater, and then the on-off state of each motorised valve of control system control.
2. The emergency pool with functions of sewage disposal and rainwater utilization according to claim 1, wherein the reuse pool is connected to a municipal rainwater pipe network.
3. The emergency pool with functions of sewage disposal and rainwater utilization according to claim 1, wherein the settling tank is connected to the emergency waste water area through a third electric valve, and the water inlet of the settling tank is connected to the plant rainwater pipe network.
4. The emergency pool with functions of sewage disposal and rainwater diversion according to claim 1, wherein a first submersible centrifugal pump is arranged in a polluted area in the emergency pool and used for conveying sewage to a sewage treatment station; and the rainwater recycling area is provided with a second submersible centrifugal pump for conveying rainwater to a water utilization pipe network in the plant area.
5. The accident pond with functions of cleaning, distributing and utilizing rainwater according to claim 4, wherein the first submersible centrifugal pump and the second submersible centrifugal pump are both connected with a control system, liquid level meters are arranged in the accident waste water area and the rainwater recycling area, and the start and stop of the submersible centrifugal pumps are controlled based on preset pump starting liquid levels and preset pump stopping liquid levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262333.3A CN112459216A (en) | 2020-11-12 | 2020-11-12 | Accident pool with functions of dirt removal, diversion and rainwater utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262333.3A CN112459216A (en) | 2020-11-12 | 2020-11-12 | Accident pool with functions of dirt removal, diversion and rainwater utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112459216A true CN112459216A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011262333.3A Pending CN112459216A (en) | 2020-11-12 | 2020-11-12 | Accident pool with functions of dirt removal, diversion and rainwater utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112459216A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390894A (en) * | 2011-10-28 | 2012-03-28 | 杭州杭氧化医工程有限公司 | Accident waste water treatment and collection system |
| CN210597541U (en) * | 2019-03-29 | 2020-05-22 | 中铁建设集团有限公司 | Multi-effect regulation and storage tank capable of dynamically storing rainwater according to quality |
| CN111364582A (en) * | 2020-04-07 | 2020-07-03 | 重庆卡贝斯环保技术有限公司 | Intelligent rainwater and sewage diversion system and method |
| CN211226785U (en) * | 2019-08-26 | 2020-08-11 | 交通运输部公路科学研究所 | Integrated system for considering runoff treatment of pavement and emergency storage of hazardous chemical transportation accident wastewater |
| CN111535430A (en) * | 2020-05-07 | 2020-08-14 | 中国中建设计集团有限公司 | Anti-sewage overflow intercepting well and control method thereof |
-
2020
- 2020-11-12 CN CN202011262333.3A patent/CN112459216A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390894A (en) * | 2011-10-28 | 2012-03-28 | 杭州杭氧化医工程有限公司 | Accident waste water treatment and collection system |
| CN210597541U (en) * | 2019-03-29 | 2020-05-22 | 中铁建设集团有限公司 | Multi-effect regulation and storage tank capable of dynamically storing rainwater according to quality |
| CN211226785U (en) * | 2019-08-26 | 2020-08-11 | 交通运输部公路科学研究所 | Integrated system for considering runoff treatment of pavement and emergency storage of hazardous chemical transportation accident wastewater |
| CN111364582A (en) * | 2020-04-07 | 2020-07-03 | 重庆卡贝斯环保技术有限公司 | Intelligent rainwater and sewage diversion system and method |
| CN111535430A (en) * | 2020-05-07 | 2020-08-14 | 中国中建设计集团有限公司 | Anti-sewage overflow intercepting well and control method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |