CN113713536A - Waste gas pollution source analysis method - Google Patents
Waste gas pollution source analysis method Download PDFInfo
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Abstract
The invention relates to a method for analyzing a waste gas pollution source, which comprises the following steps: s1: acquiring material data, acquiring input data and output data in a waste printed circuit board processing system, and performing steady-state cleaning; s2: establishing a material balance table, and transmitting a data packet acquired by a monitoring station to an ERP system by a cloud server to form the material balance table; s3: the method comprises the following steps of (1) calculating the exhaust emission according to data in a material balance table by using a material balance general formula, establishing an organized dust exhaust emission condition list and an unorganized dust exhaust emission condition list in an ERP system, and filling the data of the exhaust emission into the lists; s4: and (3) treating dust waste gas, respectively installing a gas collecting hood and a pulse bag dust removal device in a matched manner on the coarse crusher and the fine crusher, and combining the treated dust and discharging the combined dust in the high altitude by a 15m exhaust funnel. The method realizes the visualization of the waste gas pollution data and the spatialization of the pollution monitoring condition in the waste printed circuit board processing system.
Description
Technical Field
The invention relates to the technical field of waste gas analysis, in particular to a waste gas pollution source analysis method.
Background
In recent years, the industrialization construction of China has a breakthrough progress, a systematic and huge industrial system is gradually formed, and the industrial production and manufacturing capacity is in the forefront of the world, thus becoming a credible 'world factory'. However, while the rapid development of the economy of China is pulled by a huge industrial system, the pollution to the environment is more and more serious, and the environmental pollution caused by frequent environmental deterioration makes us pay attention to the environmental problems.
Atmospheric pollution is the most direct harm to human health, and pollutants can directly enter human bodies through respiratory tracts, so that the harm to human health is caused. The problem of air pollution in China mainly comes from the emission of industrial waste gas, in order to control the continuous deterioration of air quality, the treatment strength of the industrial waste gas is gradually enhanced in China, the emission of the industrial waste gas is controlled from legislation and policy, and meanwhile, the research of the industrial waste gas treatment technology is greatly supported, so that the mature industrial waste gas treatment technology is formed in China.
In the prior art, the waste printed circuit board is usually made of epoxy resin and metal materials, wherein the waste printed circuit board, leftover materials and epoxy resin dust can be used for producing concrete road bricks and concrete road bricks, and the metal materials can be used for processing and manufacturing other electronic components, so that the waste printed circuit board has high recycling value. However, the waste printed circuit board processing system usually includes processes of crushing, sorting and brick making, wherein a large amount of dust and waste gas is generated in the processes of crushing and brick making, the technology for analyzing the emission amount of the dust and waste gas is weak, a set of data analysis method for the pollution source of the waste gas is not formed, and the waste gas is generally directly emitted into the atmosphere, so that the environment is damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an analysis method for a waste gas pollution source, which realizes the visualization of waste gas pollution data and the spatialization of a pollution monitoring condition in a waste printed circuit board processing system by means of the advantage of data analysis based on material balance, not only lays a foundation for the research of an industrial atmospheric environment information system, but also provides a scientific basis for local regional environment management and planning.
The above object of the present invention is achieved by the following technical solutions:
an exhaust gas pollution source analysis method comprises the following steps:
s1: the method comprises the steps of obtaining material data, establishing a monitoring station at a feeding point of each process to obtain input data and output data in a waste printed circuit board processing system, and performing stable cleaning on the input data and the output data;
s2: establishing a material balance table, sending a data packet consisting of the input data and the output data to a cloud server by the monitoring station at a fixed period, and transmitting the data packet to an ERP system by the cloud server to form the material balance table;
s3: the method comprises the following steps of establishing an exhaust gas production and discharge condition list table of organized dust and exhaust gas and an exhaust gas production and discharge condition list table of unorganized dust in an ERP system, and filling data of the exhaust gas discharge amount into the exhaust gas production and discharge condition list table, wherein the exhaust gas discharge amount is calculated by using a material balance general formula according to data in a material balance table;
s4: treating dust waste gas, namely respectively installing a gas collecting hood and a pulse cloth bag dust removing device in a matching way on a coarse crusher and a fine crusher aiming at organized dust generated in the feeding and crushing processes, and combining the processed dust and discharging the dust in the high air by an exhaust funnel with the height of 15 m;
aiming at unorganized dust in the process of loading and crushing the cement silo, a pulse bag type dust collector is arranged on the cement silo to process the dust, and the dust is inorganically discharged through an air outlet at the top of the silo.
The present invention in a preferred example may be further configured to: in step S2, the material balance meter includes an input module including waste epoxy, scrap, fine sand, cement, fresh water, ground wash water, dust recovery, and input recycle water, and an output module including finished bricks, metal mixture, output dust, scrap, precipitated slag, lost water, dust discharge, and output recycle water.
The present invention in a preferred example may be further configured to: in step S3, the general formula of the material balance is Σ G input ═ Σ G product + ∑ G recovery + ∑ G loss, where Σ G input is the total amount of material input into the system, Σ G product is the total amount of products and byproducts produced by the system, Σ G recovery is the total amount of material recovered in the system, Σ G loss is the total amount of material lost in the system, and the total amount of material lost is the emission amount of exhaust gas.
The present invention in a preferred example may be further configured to: in step S3, the organized dust/exhaust emission schedule includes an emission module and an emission module, the emission module includes a feeding crushing procedure, a pollutant name, an amount of exhaust gas, an exhaust emission concentration, an exhaust emission rate, and an exhaust emission amount, and the emission module is configured to monitor the exhaust emission concentration, the exhaust emission rate, and the exhaust emission amount;
the list of the unorganized dust and waste gas production and discharge conditions comprises a cement loading process, pollutants, a speed, a production amount, a non-point source area and a non-point source height.
The present invention in a preferred example may be further configured to: in the feeding and crushing process and the cement charging process, laser generators are respectively arranged at the coarse crusher, the fine crusher and the cement charging port, and the step of measuring the concentration of waste gas comprises the following steps:
the laser generator applies a laser beam to exhaust gas discharged from the system;
receiving, by a laser receiver, a laser beam through the exhaust gas;
the laser receiver measures a concentration of the exhaust gas based on the received laser beam.
The present invention in a preferred example may be further configured to: an exhaust fan is installed in the gas collecting hood, the exhaust fan and the laser receiver are respectively connected with a single chip microcomputer, the single chip microcomputer is used for adjusting the rotating speed of the exhaust fan, and a waste gas standard concentration value C is set in the single chip microcomputerSign boardThe concentration of the waste gas measured by the laser receiver is CMeasuring；
The laser receiver transmits the exhaust gas concentration data to the singlechip, if CMeasuring≥CSign boardThe single chip microcomputer increases the output power of the exhaust fan to improve the rotating speed of the exhaust fan;
if CMeasuring＜CSign boardAnd the single chip microcomputer reduces the output power of the exhaust fan so as to reduce the rotating speed of the exhaust fan.
The present invention in a preferred example may be further configured to: said C isSign boardHas a value of 135mg/m3。
The present invention in a preferred example may be further configured to: the ERP system is connected with a block link system, the block link system is respectively connected with a block chain and a shared database with block numbers and common identification numbers, and the shared database is established on nodes of the block chain;
the block linking system carries out multiple signature consensus management on the form data transmitted by the ERP system, and stores multiple signature consensus management processes and results into the block chain and the shared database, and the shared database is in data connection with the pollution discharge supervision management platform.
The present invention in a preferred example may be further configured to: an air outlet of the exhaust fan is connected with an intelligent water curtain dust removal system, the intelligent water curtain dust removal system comprises a water pump, a water tank, a spray tower and a water pipe, the spray tower is arranged above the water tank and communicated with the inside of the water tank, circulating water is arranged in the water tank, and the water pump is in control connection with the single chip microcomputer;
the air outlet of air exhauster with the bottom of spray column is connected, the vent has been seted up at the top of spray column, the water tank passes through the water pipe with the spray column is close to the one end of vent is connected, the water pump is installed be used for on the water pipe with circulating water in the water tank is taken out extremely the inside top of spray column, the internally mounted of spray column have a plurality of with water piping connection's shower head, the heater is installed to the bottom of water tank.
The present invention in a preferred example may be further configured to: a plurality of filter plates are arranged in the water tank, and a water inlet and a water outlet are respectively formed in the side walls of the left side and the right side of the water tank.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the invention combines the material balance table with input data and output data in the waste printed circuit board processing system, and establishes the waste gas production and discharge condition table based on the material balance method of the waste printed circuit board processing system. The dust and waste gas treatment method has the advantages that the corresponding treatment measures are selected to treat the dust and waste gas on the basis of the organized dust and waste gas discharge condition list and the unorganized dust and waste gas discharge condition list, so that the visualization of waste gas pollution data and the spatialization of pollution monitoring conditions in the waste printed circuit board treatment system are realized, the foundation can be laid for the research of an industrial atmospheric environment information system, scientific basis can be provided for local regional environment management and planning, and the ecological environment around the waste printed circuit board treatment system is effectively protected.
2. The laser generator analyzes the exhaust gas by transmitting a laser beam passing through the exhaust gas to a laser receiver, which is capable of calculating a gas concentration of a specific component in the exhaust gas using an absorption spectrum of the laser beam, and correcting a temperature-related error and a pressure-related error of the calculated gas concentration in real time. Accurate gas concentration values can thus be calculated, measured and analyzed. Further, since the pressure is calculated using the shape of the absorption spectrum in the pressure detection process without requiring a manometer, the configuration of the apparatus is simplified, and the pressure measurement can be performed quickly.
And 3, the ERP system can transmit the real-time emission data of the dust and the waste gas in each production process of the waste printed circuit board processing enterprise to the block link system and store the data in the shared database. The environment supervision and management personnel can inquire the pollution discharge condition of each enterprise by logging in the pollution discharge supervision and management platform, and the block chain is based on the characteristics of decentralization, openness, independence, safety and anonymity, so that the data cannot be falsified, the authenticity and reliability of the pollution discharge data are ensured, and the environment management is facilitated to be enhanced.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Fig. 2 is a block diagram showing an intelligent water curtain dust removal system according to the present invention.
Reference numerals: 1. an exhaust fan; 2. a water pump; 3. a water tank; 31. a heater; 32. a filter plate; 33. a water inlet; 34. a water outlet; 4. a spray tower; 41. a vent; 42. a shower head; 5. a water pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the invention discloses a method for analyzing a pollution source of exhaust gas, which is characterized in that: the method comprises the following steps:
s1: acquiring material data, establishing a monitoring station at a feeding point of each process to acquire input data and output data in a waste printed circuit board processing system, and performing steady-state cleaning on the input data and the output data;
s2: establishing a material balance table, sending a data packet consisting of input data and output data to a cloud server by a monitoring station at a fixed period, and transmitting the data packet to an ERP system by the cloud server to form the material balance table;
s3: the method comprises the following steps of (1) calculating the exhaust emission according to data in a material balance table by using a material balance general formula, establishing an organized dust exhaust emission condition list and an unorganized dust exhaust emission condition list in an ERP system, and filling the data of the exhaust emission into the lists;
s4: treating dust waste gas, namely respectively installing a gas collecting hood and a pulse cloth bag dust removing device in a matching way on a coarse crusher and a fine crusher aiming at organized dust generated in the feeding and crushing processes, and combining the processed dust and discharging the dust in the high air by an exhaust funnel with the height of 15 m;
aiming at unorganized dust in the process of loading and crushing the cement silo, a pulse bag type dust collector is arranged on the cement silo to process the dust, and the dust is inorganically discharged through an air outlet at the top of the silo.
TABLE 1 Material balance (unit: t/a)
In step S2, referring to table 1 above, the material balance table includes an input module and an output module, the input module includes waste epoxy resin, leftover material, fine sand, cement, fresh water, ground washing water, dust recovery and input circulating water, and the output module includes finished brick, metal mixture, output dust, leftover material, sediment, waste water, dust discharge and output circulating water. The materials input and output are recorded in detail in the material balance table, on one hand, the waste gas production and discharge condition table is convenient to generate, various data are visually presented to workers, and the workers can optimize and adjust various material data in time.
In step S3, the general mass balance is:
sigma G is put into a sigma G product, and plus sigma G is recovered and lost;
the sigma G input is the total amount of materials put into the system, the sigma G product is the total amount of products and byproducts produced by the system, sigma G recovery is the total amount of materials recovered in the system, sigma G loss is the total amount of materials lost in the system, and the total amount of lost materials is the emission amount of waste gas.
Wherein the product of output is metal mixture and finished product brick, and the byproduct is the sediment, and the material of retrieving is output circulating water and leftover bits, and the material that runs off is the output dust. The general formula of the material balance is adopted, so that workers can know and control the production operation process, account for the economic benefit of the production process, determine the yield of main and auxiliary products, determine the consumption quota of raw materials and the loss amount of the production process, and are convenient for technical personnel to analyze the existing process, select the most effective process route and determine the capacity, the quantity and the main size of equipment.
TABLE 2 organized dust exhaust gas generation & emission situation summary
In step S3, referring to table 2, the organized dust/exhaust emission schedule includes an emission module and an emission module, the emission module includes a feeding crushing process, a pollutant name, an amount of exhaust gas, an exhaust gas generation concentration, an exhaust gas generation rate, and an exhaust gas generation amount, and the emission module is configured to monitor the exhaust gas emission concentration, the exhaust gas emission rate, and the exhaust gas emission amount. The atmospheric pollutants in the waste printed circuit board treatment system are mainly dust generated in the processes of feeding and crushing waste epoxy resin, waste copper clad laminate, waste circuit board blank leftover materials and the like. The crushing and the process adopt dry crushing, and the generation amount of dust is 1 percent of the using amount of the resin powder.
The system adopts wet crushing, the dust generation amount is greatly reduced compared with dry crushing, the wet crushing dust suppression efficiency is calculated according to 90%, the annual dust generation amount generated in the feeding and crushing processes of the system is about 0.1% of the total amount of raw materials, and the annual waste epoxy resin, the waste copper-clad plate and the waste circuit board blank leftover material 18000t/a is about 18 t/a. Aiming at the dust generated in the feeding and crushing processes, a construction unit is respectively matched with a gas collecting hood and 1 set of pulse bag dust removing devices (2 sets in total) for a coarse crusher and a fine crusher, and the dust is treated by a dust remover and then is combined and discharged from an exhaust funnel with the height of 15m at high altitude.
The collection efficiency of the gas collecting hood is about 95% (the air volume of the fan is 15000m3/h), the dust quantity collected by the gas collecting hood is 17.1t/a (7200 h of annual production of a mixer), the dust removal efficiency of the pulse cloth bag is about 99%, the organized discharge quantity of the treated dust is 1.7t/a, and the treated dust is discharged from an exhaust funnel with the height of 15 meters.
TABLE 3 summary of the unorganized dust exhaust gas generation and emission
Further, referring to the above table 3, the list of the production and emission of the unstructured dust and exhaust gas includes the cement charging process, pollutants, rate, production amount, area of the surface source, and height of the surface source. For unstructured dust, the following two categories can be distinguished:
1. charging dust of a cement silo;
the cement silo generates dust during charging, in the embodiment, the dust generates concentration of about 500g/m3 (cement), the transport amount of the cement is 7220 tons/year (720 h), and the generation amount of the dust is about 2.8t/a according to 1.29t/m3 cement. The cement silo is matched with 1 set of pulse bag type dust collector to process dust, the processing efficiency is calculated according to 99%, the dust discharge amount is 0.028t/a, and the dust is discharged through an air outlet at the top of the silo and is discharged in an unorganized manner.
2. The crushing process is free of organized dust;
the collection efficiency of the gas collecting hood in the crushing process is about 95%, 5% of the gas collecting hood is scattered as the unorganized dust, the generated amount of the dust in the crushing process is about 18t/a, and the generated amount of the unorganized dust is 0.9 t/a.
In throwing material crushing process and cement charging process, install laser generator respectively in coarse crusher, fine crusher and cement charging port department, measure the step of exhaust gas concentration and include: a laser generator applies a laser beam to exhaust gas discharged from the system; receiving, by a laser receiver, a laser beam through the exhaust gas; the laser receiver measures the concentration of the exhaust gas based on the received laser beam.
The laser generator analyzes the exhaust gas by transmitting a laser beam passing through the exhaust gas to a laser receiver, which is capable of calculating a gas concentration of a specific component in the exhaust gas using an absorption spectrum of the laser beam, and correcting a temperature-related error and a pressure-related error of the calculated gas concentration in real time. Accurate gas concentration values can thus be calculated, measured and analyzed. Further, since the pressure is calculated using the shape of the absorption spectrum in the pressure detection process without requiring a manometer, the configuration of the apparatus is simplified, and the pressure measurement can be performed quickly.
Wherein, an exhaust fan is arranged in the gas collecting hood, the exhaust fan and the laser receiver are respectively connected with a single chip microcomputer, the single chip microcomputer is used for adjusting the rotating speed of the exhaust fan, and a waste gas standard concentration value C is set in the single chip microcomputerSign boardThe exhaust gas concentration measured by the laser receiver is CMeasuring. The laser receiver transmits the exhaust gas concentration data to the singlechip if CMeasuring≥CSign boardThe single chip increases the output power of the exhaust fan to improve the rotating speed of the exhaust fan; if CMeasuring＜CSign boardAnd the single chip microcomputer reduces the output power of the exhaust fan so as to reduce the rotating speed of the exhaust fan. In this embodiment, CSign boardHas a value of 135mg/m3。
When C is presentMeasuring≥CSign boardIf the concentration of the waste gas generated in the system is too high and the speed is too high, the single chip microcomputer automatically sends a signal instruction to the exhaust fan, the output power of the exhaust fan is increased, the rotating speed of the exhaust fan is increased, and larger wind power is generated, so that the waste gas emission efficiency is improved. When C is presentMeasuring＜CSign boardIf the concentration of the waste gas generated in the system is low, the single chip microcomputer automatically sends a signal instruction to the exhaust fan, the output power of the exhaust fan is reduced, and the rotating speed of the exhaust fan is reduced, so that the loss of electric energy is reduced. Mutually support between air exhauster, singlechip and the laser receiver, according to the concentration of waste gas, produce the linkage effect of an automatic control air exhauster rotational speed, intelligent degree is high.
The ERP system is connected with a block linking system, the block linking system is respectively connected with a block chain and a shared database with block numbers and consensus numbers, and the shared database is established on nodes of the block chain. The block linking system carries out multiple signature consensus management on the form data transmitted by the ERP system, and stores multiple signature consensus management processes and results into a block chain and a shared database, wherein the shared database is in data connection with the pollution discharge supervision management platform.
The ERP system can transmit real-time emission data of dust and waste gas in each production process of a waste printed circuit board processing enterprise to the block link system and store the real-time emission data in the shared database. The environment supervision and management personnel can inquire the pollution discharge condition of each enterprise by logging in the pollution discharge supervision and management platform, and the block chain is based on the characteristics of decentralization, openness, independence, safety and anonymity, so that the data cannot be falsified, the authenticity and reliability of the pollution discharge data are ensured, and the environment management is facilitated to be enhanced.
Wherein, referring to fig. 2, air outlet of air exhauster 1 is connected with intelligent water curtain dust pelletizing system, and intelligent water curtain dust pelletizing system includes water pump 2, water tank 3, spray column 4 and water pipe 5, and spray column 4 sets up in the top of water tank 3 and with the inside intercommunication of water tank 3, is provided with the circulating water in the water tank 3, water pump 2 and single chip microcomputer control connection.
The air outlet of air exhauster 1 is connected with the bottom of spray column 4, and vent 41 has been seted up at the top of spray column 4, and water tank 3 leads to pipe 5 to be connected with the one end that spray column 4 is close to vent 41, and water pump 2 is installed and is used for pumping the circulating water in the water tank 3 to the inside top of spray column 4 on water pipe 5, and the internally mounted of spray column 4 has a plurality of shower heads 42 of being connected with water pipe 5, and heater 31 is installed to the bottom of water tank 3.
The waste gas is conveyed into a spray tower 4 and a water tank 3 through an exhaust fan 1, and if the concentration C of the waste gas is measured by a laser receiverMeasuring≥CSign boardWhen the water pump 2 is turned on automatically, the circulating water in the water tank 3 can adsorb a part of dust in water, the rest waste gas flows upwards from the bottom after being uniformly distributed, the water in the water tank 3 is pumped into the spray header 42 by the water pump 2, the water is sprayed into water mist from the top to the bottom after being pressurized by the spray header 42, the rest dust particles are collected, and the filtering efficiency of the water mist spray filter can reach more than 85%. The intelligent water curtain dust removal system can effectively remove liquid or solid particles with the diameter of 0.1-20 microns from the gas flow, and can also remove part of gaseous pollutants. The device has the advantages of simple structure, small occupied area, convenience in operation and maintenance, high purification efficiency and the like, and can treat high-temperature and high-humidity airflow and minimize the possibility of ignition and explosion. If the exhaust gas concentration C measured by the laser receiverMeasuring＜CSign boardWhen the water pump 2 is closed, the single chip microcomputer automatically closes the water pump, and waste gas can be directly discharged from the vent 41 at the top of the spray tower 4. The intelligent water curtain dust removal system can be automatically opened or closed according to the concentration of the waste gas, so that the loss of electric energy is reduced, and the intelligent water curtain dust removal system is improvedThe utilization rate of energy is improved.
A plurality of filter plates 32 are arranged in the water tank 3, and a water inlet 33 and a water outlet 34 are respectively arranged on the side walls of the left side and the right side of the water tank 3. The circulating water in the water tank 3 can be filtered to polylith filter 32 for the water impurity that gets into water pump 2 becomes fewly, with the purity that improves water smoke, guarantees the clearance of dust particle in the waste gas.
Wherein, the water in the water tank 3 freezes when the setting up of 3 bottom heaters 31 of water tank can avoid discharging the flue gas winter on the one hand, on the other hand is when the waste gas volume is great, refer to above-mentioned experimental table, it makes it heat water tank 3 to open heater 31, open water pump 2 simultaneously makes shower head 42 produce water smoke, it rises to combine with the solid particle in the waste gas to treat to produce the vapor behind the water boiling in the water tank 3, under the effect of the water smoke of shower head 42 downward spraying again, can catch the dirt particle in the waste gas, make its filtration efficiency can reach more than 95%, the clearance of dirt particle in the waste gas has further been promoted, thereby the effectual environment that has protected.
The implementation principle of the embodiment is as follows: the invention combines the material balance table with input data and output data in the waste printed circuit board processing system, and establishes the waste gas production and discharge condition table based on the material balance method of the waste printed circuit board processing system. The dust and waste gas treatment method has the advantages that the corresponding treatment measures are selected to treat the dust and waste gas on the basis of the organized dust and waste gas discharge condition list and the unorganized dust and waste gas discharge condition list, so that the visualization of waste gas pollution data and the spatialization of pollution monitoring conditions in the waste printed circuit board treatment system are realized, the foundation can be laid for the research of an industrial atmospheric environment information system, scientific basis can be provided for local regional environment management and planning, and the ecological environment around the waste printed circuit board treatment system is effectively protected.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. An exhaust gas pollution source analysis method is characterized in that: the method comprises the following steps:
s1: the method comprises the steps of obtaining material data, establishing a monitoring station at a feeding point of each process to obtain input data and output data in a waste printed circuit board processing system, and performing stable cleaning on the input data and the output data;
s2: establishing a material balance table, sending a data packet consisting of the input data and the output data to a cloud server by the monitoring station at a fixed period, and transmitting the data packet to an ERP system by the cloud server to form the material balance table;
s3: the method comprises the following steps of establishing an exhaust gas production and discharge condition list table of organized dust and exhaust gas and an exhaust gas production and discharge condition list table of unorganized dust in an ERP system, and filling data of the exhaust gas discharge amount into the exhaust gas production and discharge condition list table, wherein the exhaust gas discharge amount is calculated by using a material balance general formula according to data in a material balance table;
s4: treating dust waste gas, namely respectively installing a gas collecting hood and a pulse cloth bag dust removing device in a matching way on a coarse crusher and a fine crusher aiming at organized dust generated in the feeding and crushing processes, and combining the processed dust and discharging the dust in the high air by an exhaust funnel with the height of 15 m;
aiming at unorganized dust in the process of loading and crushing the cement silo, a pulse bag type dust collector is arranged on the cement silo to process the dust, and the dust is inorganically discharged through an air outlet at the top of the silo.
2. The exhaust gas pollution source analysis method according to claim 1, characterized in that: in step S2, the material balance meter includes an input module including waste epoxy, scrap, fine sand, cement, fresh water, ground wash water, dust recovery, and input recycle water, and an output module including finished bricks, metal mixture, output dust, scrap, precipitated slag, lost water, dust discharge, and output recycle water.
3. The exhaust gas pollution source analysis method according to claim 1, characterized in that: in step S3, the general formula of the material balance is Σ G input ═ Σ G product + ∑ G recovery + ∑ G loss, where Σ G input is the total amount of material input into the system, Σ G product is the total amount of products and byproducts produced by the system, Σ G recovery is the total amount of material recovered in the system, Σ G loss is the total amount of material lost in the system, and the total amount of material lost is the emission amount of exhaust gas.
4. The exhaust gas pollution source analysis method according to claim 1, characterized in that: in step S3, the organized dust/exhaust emission schedule includes an emission module and an emission module, the emission module includes a feeding crushing procedure, a pollutant name, an amount of exhaust gas, an exhaust emission concentration, an exhaust emission rate, and an exhaust emission amount, and the emission module is configured to monitor the exhaust emission concentration, the exhaust emission rate, and the exhaust emission amount;
the list of the unorganized dust and waste gas production and discharge conditions comprises a cement loading process, pollutants, a speed, a production amount, a non-point source area and a non-point source height.
5. The exhaust gas pollution source analysis method according to claim 4, wherein: in the feeding and crushing process and the cement charging process, laser generators are respectively arranged at the coarse crusher, the fine crusher and the cement charging port, and the step of measuring the concentration of waste gas comprises the following steps:
the laser generator applies a laser beam to exhaust gas discharged from the system;
receiving, by a laser receiver, a laser beam through the exhaust gas;
the laser receiver measures a concentration of the exhaust gas based on the received laser beam.
6. The exhaust gas pollution source analysis method according to claim 5, wherein: install air exhauster (1) in the gas collecting channel, air exhauster (1) with laser receiver is connected with the singlechip respectively, the singlechip is used for adjusting the rotational speed of air exhauster (1), it has waste gas standard concentration value C to set for in the singlechipSign boardThe concentration of the waste gas measured by the laser receiver is CMeasuring；
The laser receiver transmits the exhaust gas concentration data to the singlechip, if CMeasuring≥CSign boardThe single chip microcomputer increases the output power of the exhaust fan (1) to improve the rotating speed of the exhaust fan (1);
if CMeasuring＜CSign boardAnd the single chip microcomputer reduces the output power of the exhaust fan (1) so as to reduce the rotating speed of the exhaust fan (1).
7. The exhaust gas pollution source analysis method according to claim 6, characterized in that: said C isSign boardHas a value of 135mg/m3。
8. The exhaust gas pollution source analysis method according to claim 1, characterized in that: the ERP system is connected with a block link system, the block link system is respectively connected with a block chain and a shared database with block numbers and common identification numbers, and the shared database is established on nodes of the block chain;
the block linking system carries out multiple signature consensus management on the form data transmitted by the ERP system, and stores multiple signature consensus management processes and results into the block chain and the shared database, and the shared database is in data connection with the pollution discharge supervision management platform.
9. The exhaust gas pollution source analysis method according to claim 6, characterized in that: an air outlet of the exhaust fan (1) is connected with an intelligent water curtain dust removal system, the intelligent water curtain dust removal system comprises a water pump (2), a water tank (3), a spray tower (4) and a water pipe (5), the spray tower (4) is arranged above the water tank (3) and communicated with the inside of the water tank (3), circulating water is arranged in the water tank (3), and the water pump (2) is in control connection with the single chip microcomputer;
the air outlet of air exhauster (1) with the bottom of spray column (4) is connected, vent (41) have been seted up at the top of spray column (4), water tank (3) are passed through water pipe (5) with spray column (4) are close to the one end of vent (41) is connected, water pump (2) are installed be used for on water pipe (5) with circulating water in water tank (3) is taken out extremely the inside top of spray column (4), the internally mounted of spray column (4) have a plurality ofly with shower head (42) that water pipe (5) are connected, heater (31) are installed to the bottom of water tank (3).
10. The exhaust gas pollution source analysis method according to claim 6, characterized in that: a plurality of filter plates (32) are arranged in the water tank (3), and a water inlet (33) and a water outlet (34) are respectively arranged on the side walls of the left side and the right side of the water tank (3).
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