Method for calculating environmental protection distance of industrial park

Abstract

The invention discloses an industrial park environment protection distance calculation method. Comprising the following steps: checking key pollution source enterprises, and determining enterprise coordinates, distances from the enterprises to the fourth and the boundary of a park, and an enterprise environment protection distance EDPi; determining a wind direction adjustment factor w and a terrain adjustment factor t; calculating an effective protection distance from each enterprise to the outside of the park range; calculating the protection distance in each direction of the park; and calculating the protection distance of each boundary of the park by using a grid method or Monte Carlo simulation, and taking the maximum value of the protection distances of all points on each boundary as the final protection distance in the direction. According to the method, the potential influence of the industrial park on the surrounding environment can be evaluated more accurately, and powerful support can be provided for an environment management department to formulate scientific prevention and control measures, optimize park layout and guide enterprise pollution control.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental protection, and in particular to a method for calculating an environmental protection distance. Background Art

[0002] In the process of rapid industrialization, industrial parks, as crucial vehicles for industrial agglomeration and economic development, are facing increasing environmental management challenges. Industrial parks often house numerous businesses, particularly those in key management sectors such as chemical, metallurgical, and energy. These enterprises' production activities may generate various pollutant emissions, posing a potential threat to the surrounding environment and residents' health. Therefore, scientifically and rationally determining environmental protection distances within industrial parks is crucial for preventing environmental pollution accidents, safeguarding public health, and promoting sustainable development.

[0003] Traditional environmental protection distance calculations are often based on factors such as the pollution source intensity, pollutant type, and diffusion pattern of a single enterprise. This approach ignores the interplay between multiple pollution sources within an industrial park and the complexity of regional environmental conditions. In particular, natural factors such as wind direction and topography can significantly alter pollutant diffusion and deposition patterns. Consequently, the calculated environmental protection distance for a single enterprise often fails to accurately reflect the environmental risk profile of the entire industrial park.

[0004] In view of this, it is particularly important to develop a calculation method that can comprehensively consider the superposition effect of environmental protection distances of multiple key management enterprises in the park and incorporate environmental influencing factors such as wind direction and terrain. Summary of the Invention

[0005] In order to overcome the above-mentioned defects, the purpose of the present invention is to provide a method for calculating the environmental protection distance of an industrial park.

[0006] To achieve the above-mentioned purpose, a method for calculating the environmental protection distance of an industrial park according to the present invention comprises the following steps:

[0007] Step 1: Investigate key pollution source enterprises, determine the enterprise coordinates, the distance from the enterprise to the four boundaries of the park, and the enterprise environmental protection distance EDPi.

[0008] Step 2: Based on the key pollution source enterprises identified in step 1, determine the wind direction adjustment factor w and terrain adjustment factor t according to the geographical location of the enterprises.

[0009] Step three: Based on the key pollution source enterprises identified in step one, calculate the effective protection distance from each enterprise to outside the park.

[0010] Step 4: Calculate the protection distance in each direction of the park based on the adjustment factor in step 2 and the effective protection distance in step 3.

[0011] Step 5: Use the grid method or Monte Carlo simulation to calculate the protection distance of each boundary of the park, and take the maximum protection distance of all points on each boundary as the final protection distance in that direction.

[0012] Furthermore, it also includes:

[0013] Step six: Use geographic information system (GIS) tools to visualize the calculation results and draw a protection distance map of the park to provide a basis for planning and management.

[0014] The present invention has the following advantages:

[0015] 1) Comprehensive adjustment of multiple factors: When calculating the environmental protection distance of an industrial park, not only the distance between the enterprise and the park boundary and the enterprise's own environmental protection distance (EDPi) are taken into account, but also the wind direction adjustment factor (w) and terrain adjustment factor (t) are introduced. This makes the calculation of the protection distance more scientific and reasonable, and can better reflect the impact of actual environmental conditions on pollution diffusion.

[0016] 2) Combination of grid method and Monte Carlo simulation: When calculating the protection distances of each boundary of the park, advanced numerical calculation methods such as grid method or Monte Carlo simulation are used, which can more accurately simulate the pollution diffusion process. By taking the maximum value of the protection distances of all points on each boundary as the final protection distance, the conservatism and safety of the protection distance are ensured.

[0017] 3) Application of GIS visualization technology: By using geographic information system (GIS) tools, the calculation results are visualized and a protective distance map of the park is drawn. This provides an intuitive basis for park planning and management, improving the scientific nature and operability of decision-making.

[0018] 4) Systematic calculation method: This invention proposes a systematic method for calculating the environmental protection distance of industrial parks, which forms a complete calculation process from pollution source identification, adjustment factor determination, effective protection distance calculation to final protection distance determination and visualization, with strong operability and practicality.

[0019] This method can not only more accurately assess the potential impact of industrial parks on the surrounding environment, but also provide strong support for environmental management departments to formulate scientific prevention and control measures, optimize park layout, and guide enterprises in pollution control. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Flowchart of the present invention. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0025] The present invention aims to develop a calculation method that comprehensively considers the cumulative effect of environmental protection distances for multiple key enterprises within an industrial park, incorporating environmental factors such as wind direction and topography. This method not only more accurately assesses the potential impact of industrial parks on the surrounding environment but also provides strong support for environmental management departments to formulate scientific prevention and control measures, optimize park layout, and guide enterprises in pollution control.

[0026] Example:

[0027] Step 1: In accordance with the provisions of the "Management Regulations for the List of Key Pollution Sources (Trial)" and daily management requirements, check the key pollution source enterprises. Determine the coordinates of the key pollution source enterprises, using (x i ,y i ) is measured from the enterprise to a point on the park's four edges, and d is the distance from the enterprise to a point on the park's four edges. i，n count.

[0028] Calculate the environmental protection distance (EDP) of key pollution source enterprises according to the technical documents such as the "Technical Guidelines for Environmental Impact Assessment of Atmospheric Environment" (HJ 2.2-2018). i .

[0029] Step 2: Based on the key pollution source enterprises identified in step 1, determine the wind direction adjustment factor w and terrain adjustment factor t according to the geographical location of the enterprises.

[0030] Step three: Based on the key pollution source enterprises identified in step one, calculate the effective protection distance from each enterprise to outside the park.

[0031] Effective protection distance = max(0, EDP i -d i )

[0032] Step 4: Calculate the protection distance in each direction of the park based on the adjustment factor in step 2 and the effective protection distance in step 3.

[0033]

[0034] in:

[0035] D i，n : Protection distance of a certain point on the park boundary.

[0036] (x,y): Any point on the boundary.

[0037] d i，n : The distance from the key enterprise to a certain point on the park boundary.

[0038] w i : Wind direction adjustment factor, taking wind direction factors into consideration.

[0039] t i : Terrain adjustment factor, taking terrain factors into consideration.

[0040] Step 5: Use the grid method or Monte Carlo simulation to calculate the protection distance of each boundary of the park, and take the maximum protection distance of all points on each boundary as the final protection distance in that direction.

[0041] Step six: Use geographic information system (GIS) tools to visualize the calculation results and draw a protection distance map of the park to provide a basis for planning and management.

[0042] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-described embodiments. Various modifications may be made within the scope of knowledge of those skilled in the art without departing from the spirit of the present invention. Many other changes and modifications that do not depart from the spirit and scope of the present invention should be considered within the scope of protection of the present invention.

[0043] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0044] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A method for calculating the environmental protection distance of an industrial park, characterized in that: The method comprises the following steps: Step 1: Identify key pollution source enterprises, determine the enterprise coordinates, the distance from the enterprise to the park boundaries, and the enterprise environmental protection distance EDPi; Step 2: Based on the key pollution source enterprises identified in step 1, determine the wind direction adjustment factor w and terrain adjustment factor t according to the geographical location of the enterprises; Step 3: Based on the key pollution source enterprises identified in step 1, calculate the effective protection distance from each enterprise to the outside of the park; Step 4: Calculate the protection distance in each direction of the park based on the adjustment factor in step 2 and the effective protection distance in step 3; Step 5: Use the grid method or Monte Carlo simulation to calculate the protection distance of each boundary of the park, and take the maximum protection distance of all points on each boundary as the final protection distance in that direction.

2. The method for calculating the environmental protection distance of an industrial park as described in claim 1, characterized in that: Also includes: Step six: Use geographic information system (GIS) tools to visualize the calculation results and draw a protection distance map of the park to provide a basis for planning and management.

3. The method for calculating the environmental protection distance of an industrial park as described in claim 1, characterized in that: The method described is specifically as follows: Step 1: Check the key pollution source enterprises; determine the coordinates of the key pollution source enterprises, using (x i ,y i ) is measured from the enterprise to a point on the park's four edges, and d is the distance from the enterprise to a point on the park's four edges. i，n Calculate the environmental protection distance (EDP) of key pollution source enterprises i ; Step 2: Based on the key pollution source enterprises identified in step 1, determine the wind direction adjustment factor w and terrain adjustment factor t according to the geographical location of the enterprises; Step 3: Based on the key pollution source enterprises identified in step 1, calculate the effective protection distance from each enterprise to the outside of the park; Effective protection distance = max(0, EDP i -d i ) Step 4: Calculate the protection distance in each direction of the park based on the adjustment factor in step 2 and the effective protection distance in step 3; in: D i，n : Protection distance of a certain point on the park boundary; (x,y): any point on the boundary; d i，n : The distance from the key enterprise to a certain point on the park boundary; w i : Wind direction adjustment factor, taking wind direction into account; t i : Terrain adjustment factor, taking terrain factors into account; Step 5: Use the grid method or Monte Carlo simulation to calculate the protection distance of each boundary of the park, and take the maximum protection distance of all points on each boundary as the final protection distance in that direction.

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