CN115030297A - A collection and recycling device for the initial rainwater on the wharf surface for loading and unloading oil products - Google Patents

Abstract

The invention discloses a collecting and recycling device for initial rainwater on the wharf surface of a loaded oil product, which comprises a drainage ditch surrounding a loading and unloading area of the wharf surface process of the loaded oil product, wherein an oil blocking ridge is arranged on the outer side of the drainage ditch, the drainage ditch is connected with a water collecting pit, an outlet of the water collecting pit is connected with a water collecting main pipe, the water collecting main pipe is simultaneously connected with a first branch pipe and a second branch pipe, the first branch pipe is communicated with a sewage pool, and the second branch pipe is communicated with a clean water pool; the first branch pipe and the second branch pipe are respectively provided with a first valve; a sewage pump is arranged in the sewage pool, and a water outlet pipe of the sewage pump is connected with a sewage treatment station; the outlet of the sump is also provided with a trash rack. The collecting and recycling device for initial rainwater on the wharf surface for loading and unloading oil products can avoid the initial rainwater from polluting the water environment, fully utilizes the rainwater to flush the wharf surface, protects the water ecological environment to the maximum extent, fully utilizes natural resources, changes waste into valuable, saves energy and reduces emission.

Description

A collection and recycling device for the initial rainwater on the wharf surface for loading and unloading oil products

technical field

The invention relates to the technical field of water supply and drainage in ports, in particular to a collection and recycling device for initial rainwater on a wharf surface for loading and unloading oil products.

Background technique

The initial rainwater is the rainwater containing certain pollutants produced in the early stage of rainfall. In the process loading and unloading area of the oil product terminal, the rainfall not only dissolves a large amount of acid gas in the air, but also washes and washes the oil product handling device and the wharf surface, resulting in a large amount of oil pollution, COD _Cr and suspended solids in the initial rainwater. , if not collected and treated in time, it will have a serious impact on the water ecological environment. In the prior art, the initial rainwater in the process loading and unloading area of the oil wharf is collected and sent directly to the rear for centralized treatment, ignoring the resource utilization of the clean rainwater in the later stage. At the same time, due to the strong pollution of the initial rainwater on the wharf surface, the wharf sewage pump fails. At this time, the collected initial rainwater may overflow and pollute the environment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a collection and recycling device for the initial rainwater on the wharf surface for loading and unloading oil products, which can avoid the pollution of the water environment caused by the initial rainwater, and can make full use of the rainwater to wash the wharf surface. It maximizes the protection of the water ecological environment and makes full use of natural resources, turns waste into treasure, and saves energy and reduces emissions. It greatly improves the environmental friendliness and sustainable utilization of resources of the oil loading and unloading terminal.

In order to achieve the above purpose, the present invention provides a collection and recycling device for initial rainwater on the wharf face of oil loading and unloading, which includes a drainage ditch enclosed around the loading and unloading area of the wharf surface for loading and unloading oil products. The drainage ditch is connected with a water collecting pit, the outlet of the water collecting pit is connected with a water collecting main pipe, the water collecting main pipe is connected with a first branch pipe and a second branch pipe at the same time, the first branch pipe is connected to the sewage pool, and the first branch pipe is connected to the sewage pool. The two branch pipes are connected to the cleaning pool;

The first branch pipe and the second branch pipe are both provided with a first valve;

A sewage pump is arranged in the sewage pool, and the sewage pump is connected to the sewage treatment station;

The outlet of the sump is also provided with a trash grill;

The cleaning pool is provided with a flushing water pump, and the outlet pipe of the cleaning water pump is connected to the flushing pipe network on the dock surface.

As a preferred solution, it also includes a valve well;

A second valve is provided on the main pipe between the connection point of the first branch pipe and the main pipe and the connection point of the second branch pipe and the main pipe;

The connection point between the second branch pipe and the main pipe is also connected with a water supply pipe, and the water supply pipe is provided with a third valve;

The first valve, the second valve and the third valve are all disposed in the valve well.

As a preferred solution, the sewage pool is provided with a sewage pool suction pit, the sewage pool suction pump is arranged in the sewage pool suction pit, and the outlet of the suction pump is connected to the sewage treatment station through a sewage pipe, and the sewage treatment station reaches the Rinse water standard outlet connection to clean sink.

As a preferred solution, it also includes a controller, and the sewage pool is provided with a first water level sensor and a second water level sensor;

The controller is respectively electrically connected to the first valve, the second valve and the third valve, the first sensor, the second sensor and the sewage pool suction pump;

The first sensor transmits the detected first set water level value in the sewage pool to the controller, and the controller controls the first valve on the first branch pipe to close and the first valve on the second branch pipe to close. open and the second valve is opened;

The second sensor transmits the detected second set water level value in the sewage tank to the controller, and the controller controls the sewage tank suction pump to turn on.

The cleaning pool is provided with a cleaning pool water absorption pit, and the flushing water pump is arranged in the cleaning pool water absorption pit;

The flushing pipe network is provided with a plurality of nozzles, and the outlet of the flushing water pump is connected to the jetty surface flushing pipe network.

As a preferred solution, a flushing pipe network is arranged in the sewage pool, a plurality of flushing nozzles are arranged on the flushing pipe network, and the outlet of the flushing water pump is also connected to the flushing pipe network in the sewage pool.

As a preferred solution, a detachable concrete cover is provided on the sewage pool, and a detachable steel grille cover is provided on the top of the cleaning pool.

The beneficial effects compared with the prior art are:

The device for collecting and recycling rainwater at the initial stage of loading and unloading oil products wharf surface of the present invention includes a drainage ditch enclosed around the loading and unloading area of the wharf surface for loading and unloading oil products. It flows into the drainage ditch. The drainage ditch is connected with a sump. The initial rainwater is collected into the sump through the drainage ditch. The outlet of the sump is connected with a water collection main pipe, and the water main pipe is connected with the first branch pipe and the second branch pipe at the same time. The first branch pipe is connected to the sewage pool, and the second branch pipe is connected to the clean water tank; the outlet of the sump is also provided with a pollution-retaining grille, which filters the large particles of impurities in the initial rainwater and then enters the sewage tank and the cleaning pool. The first branch pipe and the second branch pipe are both provided with a first valve; the first branch pipe and the second branch pipe are opened or closed by using the first valve. In the early stage of rainfall, the first valve on the first branch pipe is opened, and the rainwater enters the sewage pool. , There is a sewage pump in the sewage pool, the sewage pump is connected to the sewage treatment station, and a certain amount of sewage is stored in the sewage pump and enters the sewage treatment station for treatment; after a certain period of time, the first valve on the first branch is closed, and the second branch on the second branch The first valve and the second valve are opened, so that the clean rainwater after the initial rainwater enters the clean pool for storage.

The device for collecting and recycling the initial rainwater on the wharf surface for loading and unloading oil products of the present invention collects the initial rainwater and the clean rainwater separately, which can avoid the pollution of the water environment caused by the initial rainwater, and can make full use of the rainwater to wash the wharf surface, which not only protects the wharf surface to the greatest extent It improves the water ecological environment and makes full use of natural resources, turns waste into treasure, saves energy and reduces emissions, which greatly improves the environmental friendliness of the oil terminal and the sustainable utilization of resources.

The invention collects and treats the initial rainwater on the wharf face, makes full use of the precipitation resources, collects and stores the clean rainwater and finally uses it for washing the wharf face, thereby realizing resource saving and sustainable development; realizing the self-collection of the wharf face Rainwater is used for its own flushing function; sewage pools and cleaning pools are jointly built on one side of the wharf face, making full use of wharf resources, effectively controlling the space occupied by the water quality sorting unit, and saving land; ensuring initial rainwater and process loading and unloading 100% collection and treatment of the flushing water on the dock surface in the district; after the initial rainwater collection is completed, the valve of the sewage tank is closed in time, and a concrete cover plate is set on the top of the sewage tank to avoid the disturbance of the collected sewage in the sewage tank caused by the rainwater in the later stage. 100% of the collected sewage can be pumped into the rear sewage treatment station for centralized treatment, and there will be no influx of rainwater in the later stage, so that part of the initial rainwater will be disturbed or overflow into the water body, resulting in water pollution.

Description of drawings

Fig. 1 is a schematic plan view of the initial rainwater collection device on the wharf face of a kind of oil loading and unloading of the present invention;

Figure 2 is a schematic structural diagram of a sewage pool and a cleaning pool;

Fig. 3 is a schematic cross-sectional view of the structure of the sewage pool;

Fig. 4 is the structural sectional schematic diagram of cleaning pool;

Fig. 5 is the flow chart of the early stage rainwater collecting device of the present invention for loading and unloading oil product wharf;

In the figure, 1. The dock face of the process loading and unloading area, 2. The oil sill, 3. The drainage ditch, 4. The sump, 5. The main pipe, 51, The first branch pipe, 52, The second branch pipe, 53, The water supply pipe, 6 , grille, 7, valve well, 8, first valve, 81, second valve, 82, third valve, 9, sewage pool, 10, cleaning pool, 11, sewage pump, 12, flushing pump, 13, flushing Pipe network, 14. Rinse sprinkler, 15. Sump sink, 16. Clean sink sink, 17. Movable concrete cover, 18. Movable steel grille cover.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but these information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The preferred embodiment of the device for collecting and recycling rainwater at the initial stage of the oil loading and unloading wharf surface of the present invention, as shown in Figures 1 to 5, includes a drainage ditch 3 enclosed around the oil loading and unloading wharf surface. Oil retaining sill 2, the rainwater generated in the early stage of rainfall on the wharf surface of oil loading and unloading flows into the drainage ditch 3. The drainage ditch 3 is connected with a sump 4, and the drainage ditch 3 collects the initial rainwater into the sump 4. The sump 4 The outlet is connected with a water collecting main pipe 5, the water collecting main pipe 5 is connected with a first branch pipe 51 and a second branch pipe 52, the first branch pipe 51 is connected to the sewage pool 9, and the second branch pipe 52 is connected to the clean pool 10; the outlet of the sump 4 It is also provided with a pollution blocking grille 6, which filters the large particles of impurities in the initial rainwater and enters the sewage pool 9 and the cleaning pool 10, wherein the first branch pipe 51 and the second branch pipe 52 are provided with a second pipe. A valve 8; use the first valve 8 to open or close the first branch pipe 51 and the second branch pipe 52, in the early stage of rainfall, the first valve 8 on the first branch pipe 51 is opened, and the rainwater at the initial stage of the wharf enters the sewage pool 9, and the sewage There is a sewage pump 11 in the pool 9, the sewage pump 11 is connected to the sewage treatment station, and a certain amount of sewage is stored in the sewage treatment station through the sewage pump 11 for treatment; after a certain time, the first valve 8 on the first branch pipe 51 is closed, and the second The first valve 8 on the second branch pipe 52 is opened, so that the clean rainwater after the initial rainwater enters the clean water tank 10 for storage, and is used for washing the wharf surface and the sewage pool in sunny weather.

The enclosed area of the oil sill 2 can accommodate the volume of all the initial rainwater. When the sewage tank 9, the water pump or any part fails, the oil sill 2 can effectively and temporarily store the initial rainwater that pollutes the environment. The environmental pollution has the effect of double insurance.

Wherein, the specific application device for collecting and recycling rainwater at the initial stage of loading and unloading oil product wharf surface also includes valve well 7; A second valve 81 is provided on the main pipe 5 between the connection point of the second branch pipe 52 and the main pipe 5; the connection point of the second branch pipe 52 and the main pipe 5 is also communicated with a water supplement pipe 53, and the water supplement pipe 53 is provided with a third The valve 82; the water supply pipe 53 is connected to reclaimed water or tap water, and is used to supply water to the clean pool 10. Among them, in the specific embodiment of the present application, the first valve 8, the second valve 81 and the third valve 82 are all arranged in the valve well 7, the main pipe 5 and the water supply pipe 53 are arranged to extend downward, and the first branch pipe 51 and the second The sub-pipes 52 are arranged horizontally, the sewage pool 9 is located on the side of the cleaning pool 10, and the sewage pool 9 and the cleaning pool 10 share a partition wall. The joints of the pool 10 are also provided with sealant pads. In other embodiments of the present application, the main pipe 5 and the water supply pipe 53 may also be arranged horizontally.

Further, the sewage tank 9 is provided with a sewage tank suction pit 15, and the suction pump 11 is arranged in the sewage tank suction pit 15. The outlet of the sewage pump is connected to the sewage treatment station through a sewage pipe, and the effluent of the sewage treatment station reaches the flushing water standard after treatment. The clean water tank 10 is connected, and the initial rainwater in the sewage tank 9 is collected and then processed by the sewage treatment station, so as to be re-entered into the clean water tank 10 for recycling.

Further, the device for collecting and recycling rainwater at the initial stage of loading and unloading oil products dock surface of the present application also includes a controller, and a first water level sensor and a second water level sensor are arranged in the sewage pool 9; the controller is connected to the first valve 8 by electrical signals respectively , the second valve 81 and the third valve 82 , the first sensor, the second sensor and the sewage pump 11 . Specifically, the first sensor transmits the detected first set water level value in the sewage tank 9 to the controller, and the first water level value is the estimated value after the initial rainwater flows into the sewage tank 9, and the controller controls the first branch pipe 51 The first valve 8 on the first branch pipe 52 is closed, the first valve 8 on the second branch pipe 52 is opened and the second valve 81 is opened, the first valve 8 on the first branch pipe 51 is closed and the entrance of the sewage pool 9 can be closed, and the second branch pipe 52 is closed. The first valve 8 is opened, which can open the entrance of the clean pool 10, and collect clean rainwater into the clean pool 10; the second sensor transmits the detected second set water level value in the sewage pool 9 to the controller, and the controller The sewage pump is controlled to be turned on, and the second set water level value is that after the sewage in the sewage pool accumulates to a certain amount, the controller controls the sewage pump to be turned on, and the sewage is transmitted to the sewage treatment station for purification through the sewage pump.

In the embodiment of the present application, the cleaning pool 10 is temporarily used for the collection and storage of cleaning rainwater in rainy days, and the clean rainwater exceeding the volume of the cleaning pool 10 can be directly overflowed and discharged into the water body.

The cleaning pool 10 is provided with a cleaning pool suction pit 16, and the cleaning pool suction pit 16 is provided with a flushing water pump 12; a flushing pipe network 13 is also provided on the dock surface, and a plurality of flushing nozzles 14 are arranged on the flushing pipe network 13, The outlet of the flushing water pump 12 is connected to the flushing pipe network 13. When the flushing water pump 12 is turned on, the clean water can be sucked into the flushing pipe network 13, and the flushing nozzle 14 is used to flush the process loading and unloading area on the wharf surface for loading and unloading oil products. The sewage pool 9 is provided with a removable concrete cover, and the top of the cleaning pool 10 is provided with a removable steel grid cover 18 .

The sewage pool 9 is provided with a flushing pipe network 13 on which a plurality of flushing nozzles 14 are arranged. The outlet of the flushing water pump 12 is also connected to the flushing pipe network 13 for flushing the sewage pool 9 .

The device for collecting and recycling the rainwater at the initial stage of the dock surface for loading and unloading oil products of the present application automatically starts the flushing water pump 12 located in the suction pit of the cleaning pool 10 when it is necessary to flush the dock surface 1 of the process loading and unloading area on sunny days, and the flushing water pump 12 After startup, the flushing water is pumped into the flushing pipe network 13, and the jetty surface 1 of the process loading and unloading area is flushed by the flushing nozzles 14 arranged at intervals on the flushing pipe network 13. The flushing wastewater adopts the same collection method as the initial rainwater and enters the sewage pool again. 9. The sewage pump 11 located in the suction pit 15 of the sewage pool is driven into the rear sewage treatment station for centralized treatment.

When the sewage pool 9 needs to be cleaned, the flushing water pump 12 is turned on, and the water flow is lifted by the flushing pump 12 into the flushing pipe network 13 and the flushing nozzle 14 in the sewage pool 9 to wash the sewage pool 9, and the rinsed water is located in the sewage pool suction pit. The sewage pump 11 in 15 is driven into the rear sewage treatment station for centralized treatment.

The invention ensures 100% collection and treatment of the initial rainwater and flushing water of the wharf face 1 in the process loading and unloading area; while collecting and processing the initial rainwater of the wharf face, the precipitation resources are fully utilized, and the clean rainwater is collected, stored and finally used for The washing of the wharf face realizes resource saving and sustainable development; the sewage pool 9 and the cleaning pool 10 are jointly built on one side of the wharf face, making full use of wharf resources, and effectively controlling the space occupied by the water quality sorting unit, saving the occupied space. After the initial rainwater is collected, the valve of the sewage tank 9 is closed in time, and a concrete cover is set on the top of the sewage tank 9 to avoid the disturbance of the collected sewage in the sewage tank 9 caused by the rainwater in the later stage, so that the collected sewage can be 100%. It is driven into the rear sewage treatment station for centralized treatment, and there will be no influx of rainwater in the later stage, so that part of the initial rainwater will be disturbed or overflow into the water body, resulting in water pollution.

The device for collecting and recycling the initial rainwater on the wharf surface for loading and unloading oil products of the present invention collects the highly polluting initial rainwater and clean rainwater separately, which can effectively avoid the pollution of the water environment caused by the initial rainwater, and can fully utilize the rainwater resources to carry out the operation of the wharf surface. Flushing not only protects the water ecological environment to the greatest extent, but also makes full use of natural resources, turns waste into treasure, saves energy and reduces emissions, greatly improves the environmental friendliness of oil loading and unloading terminals and the sustainable utilization of resources, and is green, ecological and environmentally friendly. specialty.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (7)

1. a collection and recycling device for the initial stage rainwater of loading and unloading oil product wharf surface, it is characterized in that, comprise the drainage ditch that is enclosed around the craft loading and unloading area of loading and unloading oil product wharf surface, the outside of the drainage ditch is provided with oil blocking sill, described drainage The ditch is connected with a water collecting pit, the outlet of the water collecting pit is connected with a water collecting main pipe, the water collecting main pipe is connected with a first branch pipe and a second branch pipe at the same time, the first branch pipe is connected to the sewage pool, and the second branch pipe Connected to the cleaning pool; The first branch pipe and the second branch pipe are both provided with a first valve; A sewage pump is arranged in the sewage pool, and the sewage pump is connected to the sewage treatment station; The outlet of the sump is also provided with a trash grill; The cleaning pool is provided with a flushing water pump, and the outlet pipe of the cleaning water pump is connected to the flushing pipe network on the dock surface. 2. The collection and recycling device of the initial rainwater for loading and unloading oil products wharf face as claimed in claim 1, characterized in that, it also comprises a valve well; A second valve is provided on the main pipe between the connection point of the first branch pipe and the main pipe and the connection point of the second branch pipe and the main pipe; The connection point between the second branch pipe and the main pipe is also connected with a water supply pipe, and the water supply pipe is provided with a third valve; The first valve, the second valve and the third valve are all disposed in the valve well. 3. The device for collection and recycling of rainwater at the initial stage of loading and unloading oil products wharf surface according to claim 2, characterized in that, the sewage pool is provided with a sewage pool suction pit, and the sewage pump is arranged in the sewage pool suction pit, and the The outlet of the sewage pump is connected to the sewage treatment station through the sewage pipe, and the water outlet that reaches the flushing water standard after the sewage treatment station is treated is connected to the cleaning pool. 4. The device for collecting and recycling the initial rainwater on the wharf face of oil loading and unloading as claimed in claim 2, further comprising a controller, wherein a first water level sensor and a second water level sensor are provided in the sewage tank; The controller is respectively electrically connected to the first valve, the second valve and the third valve, the first sensor, the second sensor and the sewage pool suction pump; The first sensor transmits the detected first set water level value in the sewage pool to the controller, and the controller controls the first valve on the first branch pipe to close and the first valve on the second branch pipe to close. open and the second valve is opened; The second sensor transmits the detected second set water level value in the sewage tank to the controller, and the controller controls the sewage tank suction pump to turn on. 5. The device for collecting and recycling the rainwater in the initial stage of loading and unloading oil products dock surface as claimed in claim 1, wherein the cleaning pool is provided with a cleaning pool suction pit, and the flushing water pump is arranged in the cleaning pool suction pit; The flushing pipe network is provided with a plurality of nozzles, and the outlet of the flushing water pump is connected to the jetty surface flushing pipe network. 6 . The device for collecting and recycling initial rainwater on the wharf surface of oil loading and unloading according to claim 5 , wherein a flushing pipe network is arranged in the sewage pool, and a plurality of flushing nozzles are arranged on the flushing pipe network, and the The outlet of the flushing pump is also connected to the flushing pipe network in the sump. 7. The device for collecting and recycling the initial rainwater on the wharf surface for loading and unloading oil products as claimed in claim 1, wherein the top of the sewage pool is provided with a removable concrete cover, and the top of the cleaning pool is provided with a removable steel cover Grille cover.

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