Three-stage prevention and control facility and prevention and control method for fire-fighting wastewater of box-type power charging and battery replacing station

Abstract

The invention relates to a three-level prevention and control facility and a three-level prevention and control method for fire-fighting wastewater of a box-type power charging and replacing station, and relates to the field of accident wastewater treatment. The facility comprises a three-stage pipe network composed of a first-stage pipe network, a second-stage pipe network and a third-stage pipe network, a battery charging and replacing operation area and an outer side road. The first-stage pipe network is an operation area drainage open trench and is arranged on the periphery of a charging and battery replacing operation area; the second-stage pipe network is a storage yard drainage open trench, is arranged on the edge of an outer side road and is arranged close to a charging and battery replacing operation area; the third-stage pipe network is a rainwater pipe network and is arranged on the center line of an outer road; and the third-stage gates are respectively arranged in the connected third-stage pipe networks. The method comprises the following steps: during normal operation, clean rainwater of a storage yard passes through a rainwater pipe network, and when a fire accident occurs, the three-stage gate is closed according to the amount of waste water through remote or field operation, and the waste water is intercepted in the three-stage pipe network in a grading manner. The three-level prevention and control body facility is adopted to collect wastewater, and the device has the advantages of small occupied area, high operation flexibility, low engineering investment cost and high safety.

Description

Technical Field

[0001] The present invention belongs to the field of wastewater treatment in sudden accidents in box-type power charging and swapping stations, and specifically relates to a three-level prevention and control facility and a prevention and control method for firefighting wastewater in box-type power charging and swapping stations. Background Art

[0002] With the continuous advancement of zero-carbon container transport ship technology, many units have successfully completed the launch of pure electric ships, mainly container ships. The power supply of pure electric ships basically adopts lithium battery charging and discharging technology. The form of the battery is generally integrated in a 20-foot container, called a container battery or box battery, and its charging and discharging can be plugged in and out. Since the box battery is a battery pack formed by connecting lithium battery modules in series, and multiple battery packs are connected in parallel to form a large-capacity energy storage unit, this high-density, centralized distribution feature will increase the probability and degree of danger of accidents in large-scale energy storage application scenarios.

[0003] Considering that there are generally few personnel on site at port charging and swapping stations, once a fire occurs, slow response or untimely handling will often cause large-scale pollution in the port area, and even cause serious accidents such as explosions. It will cause pollution incidents to the surrounding environment, and the polluted environment will bring immeasurable losses. In the event of a fire, the accident wastewater generated must be properly disposed of in a timely manner.

[0004] Domestic electric container ship port charging and swapping stations are in the initial stage. At present, there are no standardized regulations for emergency treatment of box-type battery charging and swapping stations, and there are no regulations on how to standardize accident wastewater collection measures. The general wastewater treatment method is mainly to move the dangerous goods container where the accident occurred to the emergency treatment site and carry out disinfection and washing. The sewage collection pool located at the bottom of the emergency treatment site collects the disinfection and washing wastewater generated by the emergency treatment site through a control pipeline. For example, Chinese patent CN213477126U (publication date: June 18, 2021) discloses an initial rainwater and firefighting wastewater collection device, including a special-shaped drain ditch, a rectangular drain ditch, a liquid level gauge, an electric valve, a wastewater collection pool and an automatic control system; a wastewater collection pool and a wastewater drainage pump and pipeline are provided on one side of the special-shaped drain ditch. When used in combination with specific drainage ditches, the automatic collection of initial rainwater and firefighting wastewater can be achieved.

[0005] Chinese patent CN116005769A (publication date: April 25, 2023) discloses an automated control and collection system for fire accident wastewater in a chemical warehouse, which receives the signal from the fire accident wastewater signal detection well through an electrical control cabinet, and automatically controls the opening and closing of different electric valves in the wastewater diversion well connected to the outdoor wastewater pipeline, outdoor rainwater pipeline, and accident pool. The automatic control diversion of outdoor wastewater pipelines and outdoor rainwater pipelines is realized, and the application in wastewater collection of box-type power charging and swapping stations, as well as the facility footprint and cost, needs to be further optimized.

[0006] Therefore, how to provide a new solution for emergency treatment of wastewater collection and leakage in box-type power charging and swapping stations is a problem to be solved by technical personnel in this field. Summary of the invention

[0007] In order to solve the above problems, the present invention provides a three-level prevention and control facility for fire wastewater in a box-type power charging and swapping station. The three-level prevention and control facility is used to collect wastewater. The facility has a small footprint, strong operational flexibility, low engineering investment cost, and high safety, which can greatly reduce the impact of environmental pollution after an emergency occurs.

[0008] A three-level fire-fighting wastewater prevention and control facility of a box-type power charging and swapping station, including a first-level pipe network, a second-level pipe network, a third-level pipe network, a third-level gate, a charging and swapping operation area, an outer road, and a control console;

[0009] The charging and swapping operation area is arranged on one side of the wharf yard, and the outer side of the yard is provided with the outer road;

[0010] The first-level pipe network, the second-level pipe network, and the third-level pipe network constitute a three-level pipe network;

[0011] The first-level pipe network is an open drainage ditch in the operation area, which is arranged around the charging and swapping operation area. The open drainage ditch in the operation area is gathered at a corner of the charging and swapping operation area close to the outer road, and extends to connect with the open drainage ditch in the yard;

[0012] The second-level pipe network is an open drainage ditch for the storage yard, which is arranged at the edge of the outer road and close to the charging and swapping operation area;

[0013] The third-level pipe network is a rainwater pipe network, which is arranged on the center line of the outer road and has branches connected to the open drainage ditch of the storage yard;

[0014] The three-level gates are respectively arranged in the three-level pipe network to intercept the fire-fighting wastewater in stages;

[0015] The control console is used to remotely operate the opening and closing of the three-stage gate.

[0016] Furthermore, the third-level pipe network rainwater pipe network is provided with a rainwater inspection well, and a rainwater inspection well is provided at the branch corner where the third-level pipe network rainwater pipe network connects to the second-level pipe network yard drainage open ditch, and a rainwater inspection well is provided every 30-50m above the third-level pipe network rainwater pipe network.

[0017] Furthermore, the charging and swapping operation area includes a charging and swapping system cabin and a box-type power supply charging and swapping area. The charging and swapping system cabin is distributed in parallel with the charging and swapping operation area, and box-type power supply charging and swapping areas are arranged on both sides of the charging and swapping system cabin.

[0018] Furthermore, the three-level gate includes a first-level gate, a second-level gate, and a third-level gate;

[0019] The first-level gate is set at the confluence of the open drainage ditches in the first-level pipe network operation area;

[0020] The second-level gate is arranged at the place where the second-level pipe network yard drainage ditch is connected to the rainwater pipe network;

[0021] The third-level gate is arranged at the end of the third-level rainwater pipe network.

[0022] Furthermore, the three-stage gate is provided with a water volume sensing device, and is signal-connected to the control console to transmit water volume information to the control console in real time.

[0023] Furthermore, the volume of the tertiary pipe network meets the maximum amount of fire waste water in the event of a fire in the charging and swapping station.

[0024] A three-level prevention and control method for fire-fighting wastewater in a box-type power charging and swapping station includes the following steps:

[0025] S1. When the amount of accident wastewater is small, the wastewater in the charging and swapping operation area is first confined to the open drainage ditch in the first-level pipe network operation area;

[0026] S2. When the amount of wastewater is large and overflows outside the charging and swapping operation area, the first-level gate is opened and the wastewater is collected by the second-level pipe network yard drainage ditch, and the second-level gate remains closed;

[0027] S3. When the accident wastewater continues to increase, the second gate is opened to collect it through the third-level rainwater pipe network, and the third gate remains closed to achieve comprehensive collection of firefighting wastewater;

[0028] S4. Use tank trucks to separately transport the firefighting wastewater intercepted in the tertiary pipe network under different wastewater volumes for external treatment.

[0029] Furthermore, when the prevention and control facilities are operating normally, clean rainwater from the storage yard passes through the three-level pipe network in the operation area; when a fire accident occurs, the three-level gates are closed remotely or on-site to intercept the wastewater in stages in the three-level pipe network.

[0030] Compared with the prior art, the advantages and effects of the technical solution of this application are as follows:

[0031] 1. The present invention provides a three-level fire-fighting wastewater prevention and control facility for a box-type power charging and swapping station. The three-level pipe network is adopted. The facility can share a set of facilities with rainwater drainage, and there is no need to set up a collection pool to collect wastewater and rainwater respectively. This not only saves the construction site of the accident pool, but also improves the site utilization rate of the box-type power charging and swapping station, as well as the safety of wastewater treatment in the event of an accident in the box-type power charging and swapping station.

[0032] 2. The present invention provides a three-level fire wastewater prevention and control facility for a box-type power charging and swapping station. A three-level valve is used to throttle the fire wastewater. According to the amount of fire wastewater, three-level prevention and control of fire wastewater can be achieved, and accident wastewater can be collected in sections, thereby greatly reducing the risk of pollution of the surrounding water environment and soil by fire accident wastewater.

[0033] 3. The present invention provides a three-level prevention and control method for fire-fighting wastewater in a box-type power charging and swapping station. When an accident occurs in the box-type power charging and swapping station, the wastewater can be quickly intercepted in different levels according to the amount of wastewater generated. The three-level gates at different positions can be remotely controlled through the control console, with fast response speed and good implementation effect. At the same time, the fire-fighting wastewater can be treated separately to reduce water pollution.

[0034] The above is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application so that it can be implemented in accordance with the contents of the specification, and to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings as follows.

[0035] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0037] Figure 1 It is a schematic diagram of a three-level fire wastewater prevention and control facility of a box-type power charging and swapping station according to an embodiment of the present invention;

[0038] Figure 2 It is a schematic diagram of a box-type power supply charging and swapping operation area applicable to the three-level fire wastewater prevention and control facilities of a box-type power supply charging and swapping station according to an embodiment of the present invention;

[0039] Figure numerals: 1. Charging and swapping system cabin; 2. Box-type power charging and swapping area; 3. Open drainage ditch in the working area; 4. First-level gate; 5. Open drainage ditch in the yard; 6. Second-level gate; 7. Rainwater pipe network; 8. Rainwater inspection well; 9. Outer road; 10. Third-level gate. DETAILED DESCRIPTION

[0040] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all the embodiments. In the following description, specific details such as specific configurations and components are provided only to help fully understand the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, for clarity and brevity, the description of known functions and structures is omitted in the embodiment. It should be understood that "one embodiment" or "this embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "one embodiment" or "this embodiment" appearing in various places throughout the specification may not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner.

[0041] In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0042] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association relationship between associated objects, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0043] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusions.

[0044] Example 1

[0045] like Figure 1 The figure shows a schematic diagram of the three-level fire prevention and control facilities of the box-type power charging and swapping station, which includes a first-level pipe network 3, a second-level pipe network 5, a third-level pipe network 7, a third-level gate, a charging and swapping operation area, an outer road 9, and a control console;

[0046] The charging and swapping operation area is arranged at one side of the wharf yard, and the outer side of the yard is provided with the outer road 9;

[0047] The first-level pipe network 3, the second-level pipe network 5, and the third-level pipe network 7 constitute a three-level pipe network;

[0048] The first-level pipe network is an open drainage ditch 3 in the operation area, which is arranged around the charging and swapping operation area. The open drainage ditch 3 in the operation area is gathered at a corner of the charging and swapping operation area close to the outer road 9, and extends to connect the open drainage ditch 5 in the yard;

[0049] The second-level pipe network is an open drainage ditch 5 for the storage yard, which is arranged at the edge of the outer road 9 and close to the charging and swapping operation area;

[0050] The third-level pipe network is a rainwater pipe network 7, which is arranged at the center line of the outer road 9 and has branches connected to the open drainage ditch 5 of the yard;

[0051] The three-level gates are respectively arranged in the three-level pipe network to intercept the fire-fighting wastewater in stages;

[0052] The control console is used to remotely operate the opening and closing of the three-stage gate.

[0053] Furthermore, the third-level pipe network 7 rainwater pipe network is provided with a rainwater inspection well 8, and a rainwater inspection well 8 is provided at the branch corner where the third-level pipe network 7 rainwater pipe network connects to the second-level pipe network 5 yard drainage open ditch, and a rainwater inspection well 8 is provided above the third-level pipe network 7 rainwater pipe network every 30-50m to facilitate daily maintenance and inspection.

[0054] Furthermore, the charging and swapping operation area includes a charging and swapping system cabin 1 and a box-type power supply charging and swapping area 2. The charging and swapping system cabin 1 is distributed in parallel in the charging and swapping operation area, and box-type power supply charging and swapping areas 2 are arranged on both sides of the charging and swapping system cabin 1.

[0055] Further, the three-stage gate includes a first-stage gate 4, a second-stage gate 6, and a third-stage gate 10;

[0056] The first-level gate 4 is arranged at the confluence of the open drainage ditch in the working area of ​​the first-level pipe network 3;

[0057] The second-level gate 6 is arranged at the place where the second-level pipe network 5 yard drainage open ditch connects to the rainwater pipe network 7;

[0058] The third-level gate 10 is arranged at the end of the third-level pipe network 7 rainwater pipe network.

[0059] Furthermore, the three-stage gate is provided with a water volume sensing device, and is signal-connected to the control console to transmit water volume information to the control console in real time.

[0060] Furthermore, the volume of the tertiary pipe network meets the maximum fire waste water volume of the charging and swapping station. The total effective capacity of the tertiary pipe network is determined based on factors such as the fire water consumption in the event of an accident and the amount of precipitation that may enter the tertiary pipe network. The tertiary pipe network is mainly paved with acid and alkali resistant materials, and its volume is much larger than the leakage volume of the container, which can meet the operation of containers of different sizes when leakage occurs.

[0061] Technical effect of this embodiment: The use of three-level prevention and control facilities saves space for building accident water pools, improves the site utilization rate of box-type power charging and swapping stations, and improves the safety of wastewater treatment in sudden accidents at box-type power charging and swapping stations.

[0062] Example 2

[0063] This embodiment relates to an applicable scenario of the three-level fire wastewater prevention and control facilities of the box-type power charging and swapping station described in the above embodiment.

[0064] like Figure 2 As shown, it is a schematic diagram of a box-type power supply charging and swapping operation area applicable to the three-level fire wastewater prevention and control facilities of the box-type power supply charging and swapping station in the above embodiment;

[0065] The charging and swapping operation area is set on the side of the wharf yard away from the water, close to the outer road outside the yard; the setting close to the road is convenient for handling machinery to directly carry the box-type power supply, and the design of separating water and electricity avoids the safety hazards of charging on the waterside.

[0066] The charging and swapping operation area includes a charging and swapping system cabin 1 and a box-type power supply charging and swapping area 2. The charging and swapping system cabin 1 and the box-type power supply charging and swapping area 2 are distributed in parallel in the charging and swapping operation area. One charging and swapping system cabin 1 is arranged every four rows of box-type power supply charging and swapping areas 2, and the charging and swapping system cabin 1 and the box-type power supply charging and swapping area 2 are arranged at a safety distance of 5-10m;

[0067] The box-type power supply is arranged vertically and parallel to the charging and swapping system cabin 1 and placed in the box-type power supply charging and swapping area 2. One box-type power supply charging and swapping area 2 can hold five box-type power supplies.

[0068] Generally, box-type power supply charging and swapping is only performed in the box-type power supply charging and swapping area 2 on both sides of the charging and swapping system cabin 1.

[0069] Technical effect of this embodiment: This embodiment reasonably designs the box-type power supply charging and swapping operation area to ensure a certain fire safety distance, which can minimize losses when fire hazards occur and achieve the effect of disaster reduction.

[0070] Example 3

[0071] This embodiment relates to a prevention and control method for the three-level prevention and control facilities for fire wastewater in the box-type power charging and swapping station described in the above embodiment, including the following steps:

[0072] S1. When the amount of accident wastewater is small, the wastewater in the charging and swapping operation area is first limited to be stored in the open drainage ditch in the first-level pipe network 3 operation area;

[0073] S2. When the amount of wastewater is large and overflows outside the charging and swapping operation area, the first-level gate 4 is opened and the wastewater is collected by the second-level pipe network 5, and the second-level gate 6 remains closed;

[0074] S3. When the accident wastewater continues to increase, the second gate is opened to collect the firefighting wastewater through the third-level pipe network 7 rainwater pipe network, and the third gate remains closed to achieve comprehensive collection of firefighting wastewater;

[0075] S4. Use tank trucks to separately transport the firefighting wastewater intercepted in the tertiary pipe network under different wastewater volumes for external treatment.

[0076] Furthermore, when the prevention and control facilities are operating normally, clean rainwater from the storage yard passes through the three-level pipe network in the operation area; when a fire accident occurs, the three-level gates are closed remotely or on-site to intercept the wastewater in stages in the three-level pipe network.

[0077] Technical effect of this embodiment: This embodiment uses a three-level fire wastewater prevention and control method to timely collect and store corresponding fire wastewater according to the fire water consumption in the event of an accident, thereby reducing unnecessary pollution. It can separately treat the fire wastewater generated in the event of an accident, effectively improving the efficiency and safety of the treatment in the event of an accident.

[0078] The above description is only the preferred embodiment of the present invention, which does not limit the protection scope of the present invention. For those skilled in the art, the present invention can be modified and varied in various ways. Within the spirit and principle of the present invention, any change, modification, replacement, integration and parameter change of these embodiments by conventional substitution or capable of achieving the same function without departing from the principle and spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. A three-level fire-fighting wastewater prevention and control facility for a box-type power charging and swapping station, characterized in that: It includes a first-level pipe network (3), a second-level pipe network (5), a third-level pipe network (7), a third-level gate, a charging and swapping operation area, an outer road (9), and a control console; The charging and swapping operation area is arranged on one side of the wharf yard, and the outer periphery of the yard is provided with the outer road (9); The first-level pipe network (3), the second-level pipe network (5), and the third-level pipe network (7) constitute a three-level pipe network; The first-level pipe network is an open drainage ditch (3) in the operation area, which is arranged around the charging and swapping operation area. The open drainage ditch (3) in the operation area is gathered at a corner of the charging and swapping operation area close to the outer road (9), and extends to connect with the open drainage ditch (5) in the storage yard; The second-level pipe network is an open drainage ditch (5) for the storage yard, which is arranged at the edge of the outer road (9) and close to the charging and swapping operation area; The third-level pipe network is a rainwater pipe network (7), which is arranged on the center line of the outer road (9) and has branches connected to the open drainage ditch (5) of the storage yard; The three-level gates are respectively arranged in the three-level pipe network to intercept the fire-fighting wastewater in stages; The control console is used to remotely operate the opening and closing of the three-stage gate.

2. According to claim 1, a three-level fire wastewater prevention and control facility of a box-type power charging and swapping station is characterized in that: The rainwater pipe network of the third-level pipe network (7) is provided with a rainwater inspection well (8), and a rainwater inspection well (8) is provided at a branch corner where the rainwater pipe network of the third-level pipe network (7) is connected to the open drainage ditch of the second-level pipe network (5) yard, and a rainwater inspection well (8) is provided above the rainwater pipe network of the third-level pipe network (7) at intervals of 30-50m.

3. According to claim 1, a three-level fire wastewater prevention and control facility of a box-type power charging and swapping station is characterized in that: The charging and swapping operation area comprises a charging and swapping system cabin (1) and a box-type power supply charging and swapping area (2); the charging and swapping system cabin (1) is distributed in parallel in the charging and swapping operation area; and box-type power supply charging and swapping areas (2) are arranged on both sides of the charging and swapping system cabin (1).

4. According to claim 1, a three-level fire wastewater prevention and control facility of a box-type power charging and swapping station is characterized in that: The three-stage gate comprises a first-stage gate (4), a second-stage gate (6), and a third-stage gate (10); The first-level gate (4) is arranged at the confluence of the open drainage ditches in the operation area of ​​the first-level pipe network (3); The second-level gate (6) is arranged at the point where the open drainage ditch of the storage yard of the second-level pipe network (5) is connected to the rainwater pipe network (7); The third-level gate (10) is arranged at the end of the rainwater pipe network of the third-level pipe network (7).

5. A three-level fire wastewater prevention and control facility of a box-type power charging and swapping station according to any one of claims 1 to 4, characterized in that: The three-stage gate is provided with a water volume sensing device, and is connected to the control console by signal, so as to transmit water volume information to the control console in real time.

6. A three-level fire wastewater prevention and control facility of a box-type power charging and swapping station according to any one of claims 1 to 4, characterized in that: The volume of the tertiary pipe network can meet the maximum fire wastewater volume in the event of a fire at the charging and swapping station.

7. A three-level prevention and control method for fire wastewater in a box-type power charging and swapping station, using a three-level prevention and control facility for fire wastewater in a box-type power charging and swapping station as described in any one of claims 1 to 5, comprising the following steps: S1. When the amount of accident wastewater is small, the wastewater in the charging and swapping operation area is first confined to the open drainage ditch in the operation area of ​​the first-level pipe network (3); S2. When the amount of wastewater is large and overflows outside the charging and swapping operation area, the first-level gate (4) is opened and the wastewater is collected by the second-level pipe network (5) and the open drainage ditch of the yard. The second-level gate (6) remains closed; S3. When the amount of accident wastewater continues to increase, the second gate is opened to collect the wastewater through the third-level pipe network (7) rainwater pipe network, and the third gate remains closed to achieve comprehensive collection of firefighting wastewater; S4. Use tank trucks to separately transport the firefighting wastewater intercepted in the tertiary pipe network under different wastewater volumes for external treatment.

8. A three-level prevention and control method for firefighting wastewater in a box-type power charging and swapping station according to claim 7, characterized in that: When the prevention and control facilities are operating normally, clean rainwater from the storage yard passes through the three-level pipe network in the operation area; when a fire accident occurs, the three-level gates are closed remotely or on-site to intercept the wastewater in stages in the three-level pipe network.

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