KR20020059149A - Apparatus for managing emission sources of chemical materials and method thereof - Google Patents

Abstract

PURPOSE: A system and a method for managing chemical emission source are provided to manage chemical emission source by accurately analyzing the amount of chemical emitted in respective processes, and to make a chemical company and an administrator reduce the emission of chemical. CONSTITUTION: A user terminal(110) is connected with emission source(180) via the Internet or a communication network. An input unit(120) receives the information on the characteristics of chemical, on emission source(180), and on the operating conditions of the emission source. A database unit(130) databases the information inputted via the input unit and stores the data in a chemical database(131), an emission source database(133), a weather data database(135), and an emission coefficient database(137). An emission degree calculating unit(140) calculates the amount of emitted chemical by reading necessary information from respective databases. An emission degree measuring unit(150) periodically measures the amount of emitted chemical. A management reference selecting unit(170) provides the optimal emission source management method to a user.

Description

Apparatus for managing emission sources of chemical materials and method

The present invention relates to an apparatus and a method for managing a chemical, and more particularly, to an apparatus and a method for controlling a chemical discharged from all processes handling the chemical.

In the past, the emission of chemicals for each process was measured to manage the process. For example, an apparatus for obtaining air emissions for a storage process, obtaining air emissions from a wastewater treatment plant, or managing fugitive emission sources. However, these devices do not estimate and control the emission of chemicals from the overall process of handling them.

The technical problem to be achieved by the present invention is to provide an apparatus for managing the emission source of the chemical to solve the above problems.

Another technical problem to be solved by the present invention is to provide a method for managing the emission source of the chemical to solve the above problems.

Another object of the present invention is to provide a computer-readable recording medium having recorded thereon a program for executing the method on a computer.

1 is a view of a device for managing a discharge source of a chemical according to the present invention.

2 is a view of a method for managing a discharge source of a chemical according to the present invention.

FIG. 3 is a diagram illustrating an embodiment in which an emission amount for toluene is calculated at a workplace to which the method of FIG. 2 is applied according to the present invention.

4 is a diagram of a method for integrated management of business places to which the method of FIG. 2 is applied according to the present invention.

FIG. 5 is a diagram illustrating a relationship between the amount of toluene handled and the amount of discharge / handled in the workplace for data on the amount of toluene input by the relevant company of FIG. 4.

FIG. 6 is a view showing a main emission source of a chemical known by analyzing the result file described in FIG. 4.

FIG. 7 is a view showing the amount of chemicals discharged from the main emission source which can be known by analyzing the result file described in FIG.

Apparatus for managing a source of chemicals according to the present invention for achieving the above object, the information on the characteristics of the chemicals, the information on the source of the discharge of chemicals, the information on the location of the source, the operation of the source An input unit for receiving information about a condition; A database unit storing data received from the input unit into data; An emission calculation unit for calculating an emission amount by analyzing the information received from the input unit and the information stored in the database unit; An emission measurement unit for measuring an emission amount of the chemical substance discharged from the discharge source at a predetermined time interval; An emission comparison unit for comparing the emission calculated by the emission calculation unit with the emission measured by the emission measurement unit; And a management baseline for selecting a management standard amount of the discharge source according to the value compared by the discharge comparison unit.

Method for managing the source of the chemical according to the present invention for achieving the another object, (a) information on the characteristics of the chemical, information on the source of the discharge of the chemical, information on the location of the source, the Receiving information on an operating condition of a discharge source; (b) converting the information received in step (a) into data; (c) an emission calculation unit for calculating an emission amount by analyzing the information input in step (a); (d) measuring the amount of chemicals emitted from the source at predetermined time intervals; (e) comparing the emissions calculated in step (c) with the emissions measured in step (d); (f) selecting a management reference amount of the discharge source according to the value compared in the step (e); (g) providing a command to the discharge source of the management content selected in step (f).

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a view of a device for managing the discharge source 180 of the chemical according to the present invention, the user terminal 110 and the discharge source 180 is connected to the Internet or a communication network and generally a plurality of devices according to the present invention Manages the two discharge sources 180. The input unit 12 provides information on the characteristics of chemical substances, including names, compositional components, etc., regarding chemicals handled by the user through the user terminal 110, and information on the type of the discharge source 180 for discharging the chemicals. (For example, fugitive emission source, air pollution prevention facility outlet, wastewater treatment plant), information on the region or location where the discharge source 180 is installed, and information on the operating conditions of the discharge source 180. Receive information online including the. When receiving the above information from the user may be directly input through the user interface of the input unit 120.

The database unit 130 data-stores the information received through the input unit 120, and each data-formed information is stored in the following database. Information on the types of chemicals is stored in the chemical database 131. For the chemical database 131, about 7,000 chemicals, chemical name, molecular formula, molecular weight, boiling point, melting point, specific gravity, solubility, Physical and chemical properties and thermodynamic properties such as critical temperature, critical pressure, vapor pressure, vapor pressure function, thermodynamic data, gas phase diffusion coefficient, liquid phase diffusion coefficient, viscosity, surface tension, biodegradation rate, semisaturation rate constant, octanol-water partition coefficient It contains information on the substance transfer properties and biodegradable properties, and the user can add, change and manage the chemicals and their properties. It also provides the characteristics of the chemicals necessary for estimating emissions.

Information about the source 180 is stored in the source database 133, the characteristics of each source 180, namely, the plant name, process name, source name, type of source 180, the chemical flowing through the source 180 It is possible to input and manage data such as the type and concentration, operation time, and to provide the necessary information to calculate the emission for each source 180. By providing information on the type of the discharge source 180, it is possible to select the method of calculating the discharge, so that the corresponding item in the emission factor database can be called. The chemical type and substance name are provided so that the physicochemical properties of the chemical can be recalled from the chemical database.

Meteorological data database (135) is a database containing the weather data of major domestic branches, the monthly average temperature, annual average temperature, daily average value of daily high temperature, daily average value of daily maximum temperature, monthly average value of daily minimum temperature, daily minimum temperature It contains information such as annual average value, monthly average wind speed, annual average wind speed, monthly average solar radiation and saves the weather data entered by the user. In addition, when calling through the location information of the discharge source 180, it provides the weather data necessary for calculating the discharge.

The emission factor database 137 is a database containing information on emission factors required to calculate the emission of chemicals according to the type of process, the type of discharge source 180, the type of prevention facility, the type of chemicals to be handled and the operation method. As a user, if the user has a measurement value for the discharge source 180, it is possible to develop and add a new emission coefficient through the process of data analysis, statistical processing on this. When the emission factor database 137 calls the emission factor through the discharge source 180 and the chemical name to be handled, the emission factor database 137 provides the emission factor data required for the emission calculation.

Emission calculation unit 140 is a database (131, 133) necessary information from the data received the type, characteristics and location of the discharge source 180, the type and composition of chemicals, operating conditions, etc. input through the input unit 120 135 and 137) to estimate chemical emissions by using methods that include direct measurement, balance of materials, emission factor, and engineering calculations for each chemical source.

The emission measuring unit 150 is configured of a device including a scattering emission measuring unit, an atmosphere and a stack emission measuring unit, and a wastewater and waste analysis device according to the type of the discharge source 180. The fugitive emission measurement unit is composed of a fugitive emission detection device that periodically measures the concentration of emissions from each fugitive emission source, and a fugitive emission measurement device that measures the mass emission through periodic sampling and analysis. Atmospheric and stack emission measuring units and air and stack emission detectors that periodically measure the concentration of emissions from indoor and outdoor atmospheres that handle chemicals, vent lines, stacks, and outlets of air pollution prevention facilities. It consists of atmospheric and stack emission measuring devices that measure mass emissions through sampling and analysis. Wastewater and waste analysis devices measure mass emissions of wastewater and wastes discharged through wastewater treatment plants and waste treatment systems through periodic sampling and analysis.

The emission comparison unit 160 measures the calculated emission amount calculated by the emission calculation unit 140 and the measured emission amount measured by the emission measurement unit 150 by using a program embedded in the emission comparison unit 160. By calculating the excess emissions compared to classify the abnormal discharge source 180. Emissions are measured in ppm or mass units in the international system of units (SI units).

The management baseline selection unit 170 selects a management standard amount discharged according to the state of the discharge source 180 classified by the emission comparison unit 160, provides a list of discharge sources having abnormalities, or replaces the device for these discharge sources 180, Suggest to the source manager the best management measures, including equipment repair, changing operating conditions and calibration of the measuring device. In addition, the user receives the changed data after the management for each discharge source 180 in the management method. In addition, the fugitive emission measurement unit, air and stack emission measurement unit, wastewater and waste analysis device can receive the detection concentration and mass measurement value after the management, and evaluate and analyze the improvement efficiency and provide it to the user.

2 is a diagram of a method for managing a source 180 of chemicals according to the present invention. Information on the characteristics of the chemical material handled by the user in the input unit 120, information on the discharge source 180 for discharging the chemical, information on the location of the discharge source 180, the operating conditions of the discharge source 180 The information is input (step 220) and stored in the database unit 130 (step 230). Emission source calculated by analyzing the data stored in the database unit 130 to calculate the chemical emissions of the discharge source 180 for handling chemicals (step 240) and the discharge source measured (250 steps) by the emission measurement unit 150 ( And compare it with the emission measurement (step 260). If the measured value is less than the estimated value, it is regulated by the general management source 180 (step 263), and it is measured and managed by mitigating with a measuring cycle including once / year. If the measured value exceeds the estimated value, the source 180 is defined as the central management source 180 (step 261), and the management standard for the source 180 is selected (step 270), and the management standard is assigned to the source manager. Present or order (step 271). The emission source 180 is managed in a new way according to the management standard (step 272), and the measurement of the emission is measured at a cycle suggested by the management standard (step 273). The measured value is compared with the management standard value (step 274), and when the measured value exceeds the management standard value, an instruction including repair, supplementation, and repair of the discharge source 180 is presented (step 275).

In the method of FIG. 2, information about a company handling chemicals is inputted, and the conditions of the workplace (for example, the name of the environmental pollution prevention facility in the workplace, wastewater and waste disposal companies outside the workplace, and the unit process in the workplace) are additionally added. Input and store in the database unit 130 and the data and chemicals required for each process by each company using the data of each database of the database unit 130 to calculate the emissions and movement amount by chemical, media, and process by the result Can be made into a file In addition, the result file may be analyzed to determine which chemicals are emitted in the workplace, in which process, and in what medium. That is, the main emission source 180 for each chemical can be identified.

FIG. 3 is a diagram illustrating an example of calculating an emission amount of toluene at a workplace to which the method of FIG. 2 is applied. At this site, the air or fugitive emissions of toluene through the fugitive spouts, including valves, account for 49.8% of the total, suggesting appropriate measures for the fugitive spouts. It can be seen that the emissions from the air pollution control system are 40.8%, 8.3% from the storage tanks, and 1.1% from other processes. When the main source of each chemical is determined through the result analysis, the management cycle is assigned to each source, and then the amount of chemicals from the source is first measured and analyzed by using a detector and measuring equipment. As a result, when the quantity is similar to or larger than the calculated value, the relevant source is defined as the central management source, and the management criteria are determined and measured and analyzed from time to time. As a result, if the analytical value is higher than the management standard, some abnormality (leakage due to the aging, operation error, etc.) of the device has occurred. Therefore, the countermeasures should be taken to take measures such as maintenance, supplementation, repair, and change of operating conditions. . If the process is improved, repeat the above process by entering new data. This method enables continuous emission reduction (environmental management) and safety management for each device.

4 is a diagram of a method for integrated management of business places to which the method of FIG. 2 is applied according to the present invention. The integrated management organization may be a private enterprise or an administrative office. Receive information (chemical step 420) including information on chemical substances handled by the business site, type of discharge source, location, and chemical emission amount (step 420), and save it as data (step 430). Calculate the amount of emissions and movements into a result file and analyze the result file (step 440) to find out which chemicals are emitted the most in the workplace, in what process, and in what media. Compared to exceed (step 460) can identify the major emissions by chemical (step 461). After identifying the major emission sources for each chemical (step 461), the area where the source is located, the company and the process in which the source is used are designated as a special management area, a special management company and a special management process (step 470). In addition, the integrated management agency issues a corrective order to the company (step 471), conducts a field inspection, and confirms execution of the corrective order (step 475). In this way, it can be used to manage the national chemical emission sources.

5 is a view showing the relationship between the amount of toluene and the amount of toluene handled in the workplace and the amount of toluene inputted by the relevant company of FIG. 4. It's a graph based on what's going to be proportional. Therefore, the companies at the bottom of the graph are doing a good job of managing the environment, and the companies at the top are emitting more chemicals than their peers. Therefore, based on this result, the integrated management agency can identify the environmental facilities of the upstream companies through on-site due diligence and review the clean technologies of the downstream companies.

FIG. 6 is a view showing the main emission sources of chemicals that can be known by analyzing the result file mentioned in the description of FIG. 4, where the movement by waste treatment occupies 62.5%, and the emission of chemicals by waste treatment is the highest. You can see plenty.

FIG. 7 is a view showing the emissions of chemicals emitted from the main emission sources, which can be found by analyzing the result file mentioned in the description of FIG. 4, and it can be seen from which source each chemical is most emitted. For example, in the case of toluene, it can be seen that the largest amount is emitted from the main emission source.

The invention can also be embodied as computer readable code on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, hard disk, floppy disk, flash memory, optical data storage device, and also carrier waves (for example, transmission over the Internet). It also includes the implementation in the form of. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

As described above, according to the present invention, the physical properties of the mixture by adding the basic knowledge of the chemical engineering such as thermodynamics, mass transfer, etc. to the physical properties database of the single pure chemical substance by extending the data of the conventional single pure chemical substance to the mixture By predicting, utilizing, and automatically receiving and analyzing data measured by using a portable detector, it saves the effort of inputting measured data by the user and eliminates errors that may occur during data input. In addition, it is possible to prepare a source management plan based on the results of emissions and movement calculations, identify the main sources of emissions based on the calculated emissions and movement results, and then reduce emissions through centralized management of each source. Make it possible.

Claims (14)

An input unit for receiving information on characteristics of a chemical substance, information on an emission source for discharging the chemical, information on the location of the emission source, and information on operating conditions of the emission source; A database unit storing data received from the input unit into data; An emission calculation unit for calculating an emission amount by analyzing the information received from the input unit and the information stored in the database unit; An emission measurement unit for measuring an emission amount of the chemical substance discharged from the discharge source at a predetermined time interval; An emission comparison unit for comparing the emission calculated by the emission calculation unit with the emission measured by the emission measurement unit; And And a management reference line for selecting a management reference amount of the emission source according to the value compared by the emission comparison unit. The method of claim 1, wherein the database unit A chemical database that stores information about the properties of the chemical; A source database that stores information about sources of processes or facilities that handle chemicals; A meteorological data database for storing information on meteorological data of major domestic branches on the location of the discharge source; And And an emission factor database for storing information on the emission factor required to calculate the emission of the chemical according to the operating conditions of the emission source. The method of claim 1, wherein An apparatus for managing the emission source of the chemical substance by calculating the emission amount of the chemical substance, characterized in that for calculating the emission amount of the chemical substance to be discharged from the discharge source using a predetermined calculation method. The method of claim 1, wherein the emission measurement unit The apparatus for calculating the emission of the chemical substance and managing the emission source of the chemical substance, characterized in that for periodically measuring the discharge from the discharge source of the chemical substance. The method of claim 1, wherein the emission measurement unit The apparatus for calculating the emission of the chemical substance and managing the emission source of the chemical substance, characterized in that for measuring the emission concentration or the emission amount according to the type of the discharge source of the chemical substance. The method of claim 1, wherein the emission measurement unit A fugitive emission concentration detection unit for measuring an emission concentration of the chemical from a fugitive emission source for discharging the chemical in a gas state; And An apparatus for managing the emission source of the chemical by calculating the emission of the chemical substance, characterized in that it comprises a scattering emission measurement unit for converting the emission concentration measured by the scattering emission concentration measurement unit to measure the mass. The method of claim 1, wherein the emission measurement unit Atmospheric and stack emission concentration detection unit for measuring the emission concentration of the chemical discharged from the chemical handling facility, including the indoor and outdoor air handling the chemical, a stack for discharging the chemical or an outlet of the air pollution prevention facility. ; And Apparatus for managing the emission source of the chemical to calculate the emission of the chemical substance, characterized in that it comprises an air and the stack emission measurement unit for measuring the emission concentration measured in the air and the stack emission concentration measurement unit in terms of mass. The method of claim 1, wherein the emission measurement unit To calculate the discharge amount of the chemical to the wastewater or wastewater discharged through the wastewater treatment plant or wastewater treatment apparatus for handling the chemical as a mass to calculate the discharge of the chemical to manage the source of the chemical Device. The method of claim 1, wherein the discharge comparison unit A device for calculating a discharge amount of a chemical substance and comparing the discharge amount of the chemical substance measured by the emission measuring unit with a range of the discharge amount of the chemical substance calculated by the emission calculation unit, and managing the discharge source of the chemical substance. . The method of claim 1, wherein the management baseline 3. An apparatus for managing the emission source of the chemical substance by calculating the emission amount of the chemical substance, characterized in that for selecting the management standard amount including the chemical management standard amount of the discharge source, repair, replacement or operation conditions change. The method of claim 1, And a management command unit for instructing the discharge source of the management content selected by the management baseline government. (a) receiving information on characteristics of a chemical substance, information on an emission source for discharging the chemical, information on the location of the emission source, and information on operating conditions of the emission source; (b) converting the information received in step (a) into data; (c) an emission calculation unit for calculating an emission amount by analyzing the information input in step (a); (d) measuring the amount of chemicals emitted from the source at predetermined time intervals; (e) comparing the emissions calculated in step (c) with the emissions measured in step (d); (f) selecting a management reference amount of the discharge source according to the value compared in the step (e); And and (g) instructing the emission source of the management content selected in step (f) to calculate the emission of the chemical substance and managing the emission source of the chemical substance. The method of claim 12, Instructing a management command to the discharge source, and measuring a chemical discharge amount of the discharge source; If the chemical measurement amount of the discharge source exceeds the management standard amount, the step of calculating the discharge of the chemical substance, characterized in that it comprises the step of repairing, supplementing, repair or replacement of the discharge source to manage the discharge source of the chemical Way. In a computer-readable recording medium for recording a program, (a) receiving information on characteristics of a chemical substance, information on an emission source for discharging the chemical, information on the location of the emission source, and information on operating conditions of the emission source; (b) converting the information received in step (a) into data; (c) an emission calculation unit for calculating an emission amount by analyzing the information input in step (a); (d) measuring the amount of chemicals emitted from the source at predetermined time intervals; (e) comparing the emissions calculated in step (c) with the emissions measured in step (d); (f) selecting a management reference amount of the discharge source according to the value compared in the step (e); And (g) A computer-readable recording medium having recorded thereon a program for causing a computer to execute a step of instructing the discharge source of the management content selected in step (f).