CN108053330B - Method and system for calculating unorganized emission of pollutants - Google Patents
Method and system for calculating unorganized emission of pollutants Download PDFInfo
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- CN108053330B CN108053330B CN201711292874.9A CN201711292874A CN108053330B CN 108053330 B CN108053330 B CN 108053330B CN 201711292874 A CN201711292874 A CN 201711292874A CN 108053330 B CN108053330 B CN 108053330B
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 51
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000356 contaminant Substances 0.000 claims abstract description 72
- 239000000571 coke Substances 0.000 claims abstract description 33
- 238000004364 calculation method Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000004939 coking Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims description 55
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention discloses a method and a system for calculating the unorganized emission of pollutants, wherein in the production process of a coking industrial enterprise, a coke oven emits pollutants in an unorganized form, and the calculating method specifically comprises the following steps: detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)(ii) a Calculating the area S and perimeter P of the top surface of the coke oven; detecting the unorganized concentration C of said contaminant in the external environmentDirt(ii) a According to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the unorganized volume V of said contaminants produced by heating said coke oven per second based on said area S and perimeter PDirt(ii) a According to the volume V of the contaminant without tissueDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirt. By detecting the unorganized concentration C of said contaminant in the external environmentDirtCalculating the discharge Q of pollutants without organizationDirtAnd the method realizes the accurate calculation of the unorganized emission of pollutants.
Description
Technical Field
The invention relates to the field of pollutant discharge amount in coking industrial production, in particular to a method and a system for calculating the unorganized pollutant discharge amount.
Background
In the prior art, the method for calculating the unorganized emission of pollutants by using a material balance method needs to accurately measure the total amount of materials put into a system, the total amount of products and byproducts produced by the system and the total amount of materials lost in the system, and the total amount of substances discharged in an unorganized mode in the system is obtained by subtracting the total amount of the products and the byproducts produced by the system and the total amount of the materials lost in the system from the total amount of the materials put into the system. Due to the fact that the proportion of the inorganization discharge amount in the total amount of the materials is very small, the discharge characteristics are not clear, and the result obtained through a statistical and calculation method is large in error, the result of the inorganization discharge amount of pollutants is inaccurate, and the error is large.
Disclosure of Invention
The invention aims to provide a method and a system for calculating the unorganized pollutant emission amount, which can improve the accuracy of the calculation result of the unorganized emission amount.
In order to achieve the purpose, the invention provides the following scheme:
a method for calculating the discharge amount of pollutants without structures in the metal smelting process of a coke oven, which comprises the following steps:
detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)；
Calculating the area S and perimeter P of the top surface of the coke oven;
detecting the unorganized concentration C of said contaminant in the external environmentDirt；
According to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirt；
According to the volume V of the contaminant without tissueDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirt。
Optionally, the detecting the unorganized concentration C of the contaminant in the external environmentDirtThe method specifically comprises the following steps:
arranging a detection surface 0.5 m higher than the top surface of the coke oven, wherein the size and the shape of the detection surface are the same as those of the top surface;
uniformly arranging n detection points without the structure of the pollutants on the detection surface, wherein n represents the number of the detection points, and n is 3,4, 5.;
detecting the concentration of the contaminant in the non-tissue state at the positions of n detection points as C1、C2......Cn；
The concentration of the contaminant in the tissue
Optionally, the uniformly setting specifically includes: a straight line uniform layout or a diagonal uniform layout or a symmetrical layout.
Optionally, said dependent on said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirtThe method specifically comprises the following steps:
according to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the qualitative temperature
Calculating the characteristic length according to the area S and the perimeter P
According to said qualitative temperature TStatorDetermining the contaminant is unorganized at the qualitative temperature TStatorThe thermal conductivity coefficient lambda, dynamic viscosity mu, kinematic viscosity upsilon and Planckian number Pr；
Grating dawn number
Nurseel number
Coefficient of heat transfer
Heat dissipation phi caused by convectionTo pair＝S·h(TWatch (A)-TRing (C))；
Radiation induced heat dissipation phiSpoke＝S··σ(TWatch (A) 4-TRing (C) 4) Wherein, the contamination is representedEmissivity of the material, σ, 5.67W/(m)2·k4)；
The oven heats the unorganized volume of said contaminants per second
Optionally, said volume V unorganized according to said contaminantsDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirtThe method specifically comprises the following steps:
the discharge Q of the pollutants is unorganizedDirt＝VDirt×CDirtX 60 seconds.
Optionally, the contaminant specifically includes: at least one of particulate matter, heavy metals, and gaseous pollutants.
Optionally, the concentration C of said gaseous contaminantFoul gas＝CDirtX A, wherein A represents the temperature T at the qualitative temperatureStatorConversion of said gaseous contaminant. In order to achieve the above object, the present invention further discloses a system for calculating the amount of inorganically discharged pollutants, wherein the system specifically comprises:
a temperature acquisition module for detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)；
An area and perimeter calculation module for calculating the area S and perimeter P of the top surface of the coke oven;
a concentration detection module for detecting the unorganized concentration C of the contaminant in the external environmentDirt；
A volume calculation module respectively connected with the area and perimeter calculation module and the temperature acquisition module and used for calculating the surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the heat generation per second of the coke oven based on the area S and the perimeter PThe unorganized volume V of the contaminantsDirt；
The emission calculation module is respectively connected with the concentration detection module and the volume calculation module and is used for calculating the unorganized volume V of the pollutantsDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirt。
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention discloses a method and a system for calculating the unorganized emission of pollutants by detecting the unorganized concentration C of the pollutants in the external environmentDirtAnd according to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirtFinally obtaining the discharge Q of pollutants without structuresDirtAnd the accurate calculation of the discharge amount of the unorganized emission is realized.
The calculation method can accurately calculate the total amount of the materials or products of each batch.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a method for calculating the amount of inorganically emitted pollutants according to the present invention;
FIG. 2 is a schematic view of n non-organized spots of the contaminant being uniformly disposed on the inspection surface;
fig. 3 is a block diagram of a system for calculating the amount of inorganically emitted pollutants according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a method and a system for calculating the unorganized pollutant emission amount, which can improve the accuracy of the calculation result of the unorganized emission amount.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a method for calculating the amount of inorganized emissions of pollutants according to the present invention, and as shown in fig. 1, the method for calculating the amount of inorganized emissions of pollutants according to the present invention is a method for calculating the amount of inorganized emissions of pollutants discharged from a coke oven during a metal smelting process, and the method specifically includes:
step 100: detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)；
Step 200: calculating the area S and perimeter P of the top surface of the coke oven;
step 300: detecting the unorganized concentration C of said contaminant in the external environmentDirt；
Step 400: according to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirt；
Step 500: according to the volume V of the contaminant without tissueDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirt。
Step 300: the detection of the unorganized concentration C of the contaminant in the external environmentDirtThe method specifically comprises the following steps:
arranging a detection surface 0.5 m higher than the top surface of the coke oven, wherein the size and the shape of the detection surface are the same as those of the top surface;
uniformly arranging n detection points without the structure of the pollutants on the detection surface, wherein n represents the number of the detection points, and n is 3,4, 5.;
detecting the concentration of the contaminant in the non-tissue state at the positions of n detection points as C1、C2......Cn；
The concentration of the contaminant in the tissue
As shown in fig. 2, 3 non-organized detection points of the contaminant are uniformly disposed on the detection surface, and the uniform disposition specifically includes: the detection surface is characterized by being in a straight line uniform layout or a diagonal uniform layout or a symmetrical layout, as shown in fig. 2-1, the straight line uniform layout is distributed in a straight line shape, a detection point 8 is arranged at the center position of the detection surface 7, the distances between the detection point 9 and the detection point 10 and the detection point 8 are equal, the detection point 8, the detection point 9 and the detection point 10 are on the same straight line, and the straight line is parallel to the long edge of the detection surface.
As shown in fig. 2-2, the diagonal layout is distributed in a diagonal shape, a detection point 8 is disposed at a center position of the detection surface 7, distances between the detection point 8 and the detection points 9 and 10 are equal, and the detection points 9 and 10 are disposed on a diagonal line of the detection surface.
As shown in fig. 2-3, in the symmetrical layout, the position of the center point of the shape formed by the detection point 8, the detection point 9 and the detection point 10 is the center position of the detection surface.
Step 400: according to the surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the unorganized volume V of said contaminants produced by heating said coke oven per second based on said area S and perimeter PDirtThe method specifically comprises the following steps:
according to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating and determiningSexual temperature
Calculating characteristic length according to the area S and the perimeter P
According to said qualitative temperature TStatorExamining the dry air thermophysical property table under atmospheric pressure, the pollutant is unorganized at the qualitative temperature TStatorThe thermal conductivity coefficient lambda, dynamic viscosity mu, kinematic viscosity upsilon and Planckian number Pr；
Grating dawn number
Nurseel number
Coefficient of heat transfer
Heat dissipation phi caused by convectionTo pair＝S·h(TWatch (A)-TRing (C))，
Radiation induced heat dissipation phiSpoke＝S··σ(TWatch (A) 4-TRing (C) 4) Wherein σ ═ 5.67W/(m) represents the emissivity of the contaminant in the absence of tissue2·k4)；
The oven heats the unorganized volume of said contaminants per second
Step 500: said volume V unorganized according to said contaminantsDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirtThe method specifically comprises the following steps:
the discharge Q of the pollutants is unorganizedDirt＝VDirt×CDirtX 60 seconds.
Optionally, the contaminant specifically includes: at least one of particulate matter, heavy metals, and gaseous contaminants, the particulate matter having a diameter in a range of 1-75 microns.
Optionally, the concentration C of said gaseous contaminantFoul gas＝CDirtX A, wherein A represents the temperature T at the qualitative temperatureStatorA conversion of said gaseous pollutants including hydrogen sulfide, sulfur dioxide, nitrogen oxides, sulfur oxides,carbon dioxide, volatile organic pollutants and benzene series, and the gaseous pollutants have different conversion rates under different temperature environments.
In order to achieve the above object, the present invention further provides a system for calculating an amount of inorganically emitted pollutants, the system specifically including:
as shown in fig. 3, the temperature acquisition module 1 is used for detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to acquire the surface temperature TWatch (A)And the ambient temperature TRing (C)；
An area and perimeter calculation module 2 for calculating the area S and perimeter P of the top surface of the coke oven;
a concentration detection module 3 for detecting the unorganized concentration C of the contaminant in the external environmentDirt；
A volume calculation module 4 respectively connected with the area and perimeter calculation module 2 and the temperature acquisition module 1, and configured to calculate the volume according to the surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the unorganized volume V of said contaminants produced by heating said coke oven per second based on said area S and perimeter PDirt；
The discharge amount calculation module 5 is respectively connected with the concentration detection module 3 and the volume calculation module 4 and is used for calculating the unorganized volume V of the pollutantsDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirt。
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. A method for calculating the unorganized emission of pollutants of a coke oven in the production process of a coking industrial enterprise is characterized by specifically comprising the following steps of:
detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)；
Calculating the area S and perimeter P of the top surface of the coke oven;
detecting the unorganized concentration C of said contaminant in the external environmentDirt；
According to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirtAccording to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the qualitative temperature
According to the volume V of the contaminant without tissueDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirtThe contaminant disorganization specifically comprises: at least one of particulate matter, heavy metals and gaseous pollutants, the concentration C of whichFoul gas＝CDirtX A, wherein A represents the temperature T at the qualitative temperatureStator(ii) conversion of said gaseous contaminant;
wherein the detection of the unorganized concentration C of the contaminant in the external environmentDirtThe method specifically comprises the following steps:
arranging a detection surface 0.5 m higher than the top surface of the coke oven, wherein the size and the shape of the detection surface are the same as those of the top surface;
uniformly arranging n detection points without the structure of the pollutants on the detection surface, wherein n represents the number of the detection points, and n is 3,4, 5.;
detecting the concentration of the contaminant in the non-tissue state at the positions of n detection points as C1、C2......Cn；
The concentration of the contaminant in the tissue
The uniform arrangement specifically comprises: a straight line uniform layout or a diagonal uniform layout or a symmetrical layout.
2. A method as claimed in claim 1, wherein said calculating is based on said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirtAccording to said surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the qualitative temperature
The method specifically comprises the following steps:
calculating the characteristic length according to the area S and the perimeter P
According to said qualitative temperature TStatorDetermining the contaminant is unorganized at the qualitative temperature TStatorThe thermal conductivity coefficient lambda, dynamic viscosity mu, kinematic viscosity upsilon and Planckian number Pr；
Grating dawn number
Nurseel number
Coefficient of heat transfer
Heat dissipation phi caused by convectionTo pair＝S·h(TWatch (A)-TRing (C))；
Heat dissipation caused by radiation
Wherein σ ═ 5.67W/(m) represents the unstructured emissivity of the contaminant2·k4)；
The oven heats the unorganized volume of said contaminants per second
3. A method according to claim 1, wherein said volume V is determined by the amount of said contaminant in said fluidDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirtThe method specifically comprises the following steps:
the discharge Q of the pollutants is unorganizedDirt＝VDirt×CDirtX 60 seconds.
4. A system for calculating the amount of inorganized emissions of pollutants, the system comprising:
a temperature acquisition module for detecting the temperature of the outer surface of the coke oven and the temperature of the external environment to obtain a surface temperature TWatch (A)And the ambient temperature TRing (C)According to said surface temperature TWatch (A)The ringAmbient temperature TRing (C)Calculating the qualitative temperature
An area and perimeter calculation module for calculating the area S and perimeter P of the top surface of the coke oven;
a concentration detection module for detecting the unorganized concentration C of the contaminant in the external environmentDirt；
A volume calculation module respectively connected with the area and perimeter calculation module and the temperature acquisition module and used for calculating the surface temperature TWatch (A)The ambient temperature TRing (C)Calculating the volume per second, V, of said contaminant inorganization produced by the heating of said coke ovenDirt；
The emission calculation module is respectively connected with the concentration detection module and the volume calculation module and is used for calculating the unorganized volume V of the pollutantsDirtAnd the concentration C of said contaminant in the tissueDirtCalculating the amount Q of said pollutants in the form of an unorganized emissionDirtThe contaminant disorganization specifically comprises: at least one of particulate matter, heavy metals and gaseous pollutants, the concentration C of whichFoul gas＝CDirtX A, wherein A represents the temperature T at the qualitative temperatureStator(ii) conversion of said gaseous contaminant;
wherein the detection of the unorganized concentration C of the contaminant in the external environmentDirtThe method specifically comprises the following steps:
arranging a detection surface 0.5 m higher than the top surface of the coke oven, wherein the size and the shape of the detection surface are the same as those of the top surface;
uniformly arranging n detection points without the structure of the pollutants on the detection surface, wherein n represents the number of the detection points, and n is 3,4, 5.;
detecting the concentration of the contaminant in the non-tissue state at the positions of n detection points as C1、C2......Cn；
Unorganized concentration of the contaminantsDegree of rotation
The uniform arrangement specifically comprises: a straight line uniform layout or a diagonal uniform layout or a symmetrical layout.
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| CN112241800B (en) * | 2019-07-16 | 2022-10-21 | 宝山钢铁股份有限公司 | Method for calculating VOCs pollutant emission amount of coke oven |
| CN111521754B (en) * | 2020-04-22 | 2021-04-13 | 中国科学院地理科学与资源研究所 | Preliminary investigation and stationing method for soil pollution in coking enterprise site |
| CN112034800B (en) * | 2020-08-30 | 2022-01-21 | 上海市环境科学研究院 | Method, system, medium and terminal for calculating unorganized emission of volatile organic pollutants |
| CN115392623A (en) * | 2022-06-27 | 2022-11-25 | 河南鑫安利安全科技股份有限公司 | Enterprise safety production hidden danger investigation system |
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