CN112462656B - Coal gangue resource comprehensive utilization system - Google Patents

Coal gangue resource comprehensive utilization system Download PDF

Info

Publication number
CN112462656B
CN112462656B CN202011304905.XA CN202011304905A CN112462656B CN 112462656 B CN112462656 B CN 112462656B CN 202011304905 A CN202011304905 A CN 202011304905A CN 112462656 B CN112462656 B CN 112462656B
Authority
CN
China
Prior art keywords
waste gas
module
information
crushing
pixel points
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011304905.XA
Other languages
Chinese (zh)
Other versions
CN112462656A (en
Inventor
陈宏胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fengtai Tianbao Building Materials Co ltd
Original Assignee
Fengtai Tianbao Building Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fengtai Tianbao Building Materials Co ltd filed Critical Fengtai Tianbao Building Materials Co ltd
Priority to CN202011304905.XA priority Critical patent/CN112462656B/en
Publication of CN112462656A publication Critical patent/CN112462656A/en
Application granted granted Critical
Publication of CN112462656B publication Critical patent/CN112462656B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24024Safety, surveillance

Abstract

The invention discloses a comprehensive utilization system for recycling coal gangue, which comprises a graded closed hammer crusher, a crushing monitoring module, a controller, an alarm module, a waste gas monitoring module, a waste gas analysis module and a judgment module, wherein the graded closed hammer crusher is connected with the controller through a pipeline; the graded closed hammer crusher is used for crushing coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, and obtaining corresponding original powder; the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment, so that the powder is crushed more thoroughly, and the utilization efficiency is improved; the waste gas analysis module is used for analyzing the waste gas information to obtain the mass concentration of the waste gas; the judgment module is used for judging whether the mass concentration of the waste gas exceeds the standard or not, giving an early warning in time, controlling the waste gas treatment device to operate, treating the waste gas, improving the resource utilization rate and protecting the environment.

Description

Coal gangue resource comprehensive utilization system
Technical Field
The invention relates to the technical field of coal gangue processing, in particular to a comprehensive utilization system for recycling coal gangue.
Background
The coal gangue is solid waste discharged in the coal mining process and the coal washing process, is a black grey rock which has lower carbon content and is harder than coal and is associated with a coal bed in the coal forming process, comprises tunneling gangue in the tunneling process, gangue mined from a top plate, a bottom plate and an interlayer in the mining process and washing gangue picked in the coal washing process, and mainly comprises Al2O3 and SiO2, as well as Fe2O3, Na2O, K2O, P2O5, SO3 and trace elements (gallium, vanadium, titanium and diamond) with different quantities.
The document with the publication number CN107986281A discloses a utilization method of coal gangue waste, which comprises the following specific steps: crushing coal gangue and waste cathode carbon blocks into powder, drying, mixing according to a certain proportion, removing alkaline soluble impurities in the mixed material by using strong alkali liquor, washing the mixed material to be neutral by using hot water, heating to 1400 ℃ in an inert or reducing atmosphere after drying, preserving the heat for a period of time to obtain mixed powder containing silicon carbide, oxidizing and burning the powder in an oxidizing atmosphere to remove residual carbon powder, dispersing the obtained powder in hydrofluoric acid to remove residual silicon dioxide, cleaning and drying to obtain silicon carbide powder. The silicon carbide product obtained by the invention has high purity, small grain size and extremely high industrial application value. Meanwhile, the industrial solid waste coal gangue and the waste cathode carbon blocks are used as raw materials, so that the method has positive significance in reducing waste pollution, protecting the environment and recycling the resources.
However, the scheme can not monitor and adjust the specific process of processing the coal gangue and the waste cathode carbon blocks, and does not treat pollution in the processing process; the above solution still needs further improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a comprehensive utilization system for recycling coal gangue. According to the invention, the quality of the original powder after the crushing treatment is monitored by the crushing monitoring module, so that the quality of the crushed coal gangue and the waste cathode carbon block can be visually displayed, the crushing is more thorough, and the utilization efficiency is improved; through the waste gas information that mixed powder produced in the oxidative combustion process under the oxidizing atmosphere of waste gas monitoring module monitoring, corresponding suggestion is made to waste gas's mass concentration, and timely early warning is handled waste gas, and the environmental protection improves work efficiency.
The purpose of the invention can be realized by the following technical scheme:
a comprehensive utilization system for recycling coal gangue comprises a graded closed hammer crusher, a crushing monitoring module, a controller, an alarm module, a display module, a waste gas monitoring module, a waste gas analysis module and a judgment module;
the graded closed hammer crusher is used for crushing coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, and obtaining corresponding original powder;
the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment, and the specific monitoring steps are as follows:
s1: shooting an original powder image subjected to crushing treatment in real time through a high-definition camera;
s2: obtaining a large particle proportionality coefficient K1;
s3: comparing the large particle proportionality coefficient K1 with a preset coefficient threshold;
when the large particle proportion coefficient K1 is larger than or equal to the preset coefficient threshold, judging that the crushing is not thorough, and generating a crushing abnormal instruction;
the crushing monitoring module is used for transmitting a crushing abnormity instruction to the controller, the controller receives the crushing abnormity instruction and then controls the alarm module to give an alarm, and the display module displays the word of 'crushing abnormity' in real time;
the waste gas monitoring module is used for monitoring waste gas information generated in the oxidation combustion process of the mixed powder under the oxidizing atmosphere and transmitting the waste gas information to the waste gas analysis module;
the waste gas analysis module is used for receiving the waste gas information transmitted by the waste gas monitoring module and analyzing the waste gas information to obtain the waste gas mass concentration Zi; the waste gas analysis module is used for transmitting the waste gas mass concentration Zi to the judgment module;
the database is used for transmitting the concentration range of various waste gases allowed to be discharged to the judging module, and the judging module receives the concentration range of various waste gases allowed to be discharged transmitted by the database, compares the mass concentration of the waste gases with the concentration range of various waste gases allowed to be discharged, and judges whether the mass concentration of the waste gases exceeds the standard or not.
Further, in step S2, a large particle proportionality coefficient K1 is obtained; the method comprises the following specific steps:
s21: converting an original powder image into a gray image, and converting the gray image into a standard image through image preprocessing; the image preprocessing comprises Gaussian filtering, image segmentation and image enhancement;
s22: acquiring the total number of pixel points in the standard image; and labeled as X1;
s23: identifying each pixel point in the standard image to identify corresponding abnormal pixel points; the method comprises the following steps:
s231: firstly, marking the gray value of a pixel point in a standard image as H1;
s232: performing difference operation on the gray value of each pixel point and the set gray value parameter of the standard powder to obtain a difference result, and marking the difference result as C1;
s233: if the difference result C1 is less than or equal to the preset difference threshold, the pixel point is considered to be a normal powder pixel point;
if the difference result C1 is greater than a preset difference threshold, the pixel point is considered as an abnormal pixel point;
s24: determining corresponding large-particle pixel points in the identified abnormal pixel points; the method comprises the following steps:
s241: scanning pixel points in the standard image line by line from left to right and from top to bottom, recording the coordinate of each abnormal pixel point and marking as (Xi, Yi);
s242: checking whether the points (Xi-1, Yi), (Xi +1, Yi), (Xi, Yi-1), (Xi, Yi + 1), (Xi, Yi-1), (Xi, Yi + 1), (Xi-1, Yi-1), (Xi +1, Yi-1) and (Xi +1, Yi + 1) adjacent to the points (Xi, Yi) are abnormal pixel points;
if the adjacent points are still abnormal pixel points, all the adjacent abnormal pixel points form a large-particle material; marking the pixel points corresponding to the large-particle materials as large-particle pixel points;
if the adjacent points are not abnormal pixel points, the abnormal pixel points are marked as specific pixel points;
s25: counting the total number of large-particle pixel points and marking the large-particle pixel points as X2; counting the total number of the specific pixel points and marking the total number as X3;
s26: the large-particle proportionality coefficient K1 is obtained by using the formula K1= α × X2/(X1-X3), where α is a preset proportionality coefficient.
Further, the mixed powder is an original powder prepared by the following steps: mixing, removing alkalinity of strong alkali liquor, washing, drying and heating to obtain the product; the exhaust gas information comprises exhaust gas molecular weight information, exhaust gas temperature information, exhaust gas pressure information and exhaust gas volume concentration information.
Further, the specific analysis process of the exhaust gas analysis module is as follows:
the method comprises the following steps: acquiring the molecular weight information of the waste gas in the waste gas information, and marking the molecular weight information of the waste gas as M1;
acquiring waste gas temperature information in the waste gas information, and marking the waste gas temperature information as T1;
acquiring waste gas pressure information in the waste gas information, and marking the waste gas pressure information as P1;
acquiring the volume concentration information of the waste gas in the waste gas information, and marking the volume concentration information of the waste gas as ppm;
step two: converting the exhaust gas volume concentration into the exhaust gas mass concentration Zi according to a calculation formula of the gas mass concentration, wherein the calculation formula of the gas mass concentration is as follows:
Zi=(M1/22.4)×[273/(273+T1)]×[P1/101325]×ppm。
further, the specific determination process of the determination module is as follows:
SS 1: marking the concentration range of the various exhaust gases allowed to be discharged as Ri, i-1.. n according to the concentration range of the various exhaust gases allowed to be discharged transmitted by the database; wherein i represents the ith exhaust gas;
SS 2: comparing the mass concentration Zi of the exhaust gas with the corresponding Ri, and judging whether the mass concentration Zi of the exhaust gas exceeds the standard or not;
when Zi < Ri, judging that the mass concentration of the exhaust gas is not overproof;
when Zi is larger than or equal to Ri, judging that the mass concentration of the waste gas exceeds the standard, and generating an early warning signal;
the judgment module is used for transmitting the early warning signal to the controller, and the controller is used for receiving the early warning signal and then controlling the alarm module to give an alarm, controlling the waste gas treatment device to operate and treating waste gas.
The invention has the beneficial effects that:
1. the graded closed hammer crusher is used for crushing coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, so as to obtain corresponding original powder; the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment; shooting an original powder image subjected to crushing treatment in real time through a high-definition camera, converting the original powder image into a gray image, converting the gray image into a standard image through image preprocessing, identifying each pixel point in the standard image, identifying corresponding abnormal pixel points, and determining corresponding large-particle pixel points in the identified abnormal pixel points; counting the total number of the large-particle pixels, obtaining a large-particle proportionality coefficient K1 by using a formula K1= alpha X X2/(X1-X3), and judging that the crushing is incomplete when the large-particle proportionality coefficient K1 is larger than or equal to a preset proportionality coefficient, so as to generate a crushing abnormal instruction; the method is favorable for visually displaying the quality of the crushed coal gangue and waste cathode carbon blocks, so that the crushed coal gangue and waste cathode carbon blocks are more thoroughly crushed, and the utilization efficiency is improved;
2. the original powder material of the invention is prepared by the following steps: the method comprises the following steps of preparing mixed powder by mixing, removing alkalinity from strong alkali liquor, washing, drying and heating, wherein a waste gas monitoring module is used for monitoring waste gas information generated in the oxidation combustion process of the mixed powder in an oxidizing atmosphere and transmitting the waste gas information to a waste gas analysis module, the waste gas analysis module analyzes the waste gas information to obtain the mass concentration Zi of the waste gas, and when Zi is larger than or equal to Ri, the mass concentration of the waste gas is judged to be over-standard to generate an early warning signal; the controller is used for receiving the early warning signal and then controlling the alarm module to give an alarm, controlling the waste gas treatment device to operate, treating waste gas, improving the resource utilization rate and protecting the environment.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of 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.
As shown in fig. 1, a comprehensive utilization system for recycling coal gangue comprises a graded closed hammer crusher, a crushing monitoring module, a controller, an alarm module, a display module, a waste gas monitoring module, a waste gas analysis module and a judgment module;
the graded closed hammer crusher is used for crushing coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, and obtaining corresponding original powder;
the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment, and the specific monitoring steps are as follows:
s1: shooting an original powder image subjected to crushing treatment in real time through a high-definition camera;
s2: obtaining a large particle proportionality coefficient K1; the method comprises the following specific steps:
s21: converting an original powder image into a gray image, and converting the gray image into a standard image through image preprocessing; the image preprocessing comprises Gaussian filtering, image segmentation and image enhancement;
s22: acquiring the total number of pixel points in the standard image; and labeled as X1;
s23: identifying each pixel point in the standard image to identify corresponding abnormal pixel points; the method comprises the following steps:
s231: firstly, marking the gray value of a pixel point in a standard image as H1;
s232: performing difference operation on the gray value of each pixel point and the set gray value parameter of the standard powder to obtain a difference result, and marking the difference result as C1;
s233: if the difference result C1 is less than or equal to the preset difference threshold, the pixel point is considered to be a normal powder pixel point;
if the difference result C1 is greater than a preset difference threshold, the pixel point is considered as an abnormal pixel point;
s24: determining corresponding large-particle pixel points in the identified abnormal pixel points; the method comprises the following steps:
s241: scanning pixel points in the standard image line by line from left to right and from top to bottom, recording the coordinate of each abnormal pixel point and marking as (Xi, Yi);
s242: checking whether the points (Xi-1, Yi), (Xi +1, Yi), (Xi, Yi-1), (Xi, Yi + 1), (Xi, Yi-1), (Xi, Yi + 1), (Xi-1, Yi-1), (Xi +1, Yi-1) and (Xi +1, Yi + 1) adjacent to the points (Xi, Yi) are abnormal pixel points;
if the adjacent points are still abnormal pixel points, all the adjacent abnormal pixel points form a large-particle material; marking the pixel points corresponding to the large-particle materials as large-particle pixel points;
if the adjacent points are not abnormal pixel points, the abnormal pixel points are marked as specific pixel points;
s25: counting the total number of large-particle pixel points and marking the large-particle pixel points as X2; counting the total number of the specific pixel points and marking the total number as X3;
s26: obtaining a large-particle proportionality coefficient K1 by using a formula K1= alpha X2/(X1-X3), wherein alpha is a preset proportionality coefficient;
s3: comparing the large particle proportionality coefficient K1 with a preset coefficient threshold;
when the large particle proportion coefficient K1 is larger than or equal to the preset coefficient threshold, judging that the crushing is not thorough, and generating a crushing abnormal instruction;
the crushing monitoring module is used for transmitting the crushing abnormity instruction to the controller, the controller receives the crushing abnormity instruction and then controls the alarm module to give an alarm, and the display module displays the character of 'crushing abnormity' in real time, so that the processing by workers is facilitated;
the crushing monitoring module monitors the quality of the original powder after crushing treatment, which is beneficial to visually displaying the quality of the crushed coal gangue and waste cathode carbon blocks, so that the crushed coal gangue and waste cathode carbon blocks are crushed more thoroughly, and the utilization efficiency is improved;
the waste gas monitoring module is used for monitoring waste gas information generated in the oxidation combustion process of the mixed powder under the oxidizing atmosphere and transmitting the waste gas information to the waste gas analysis module; the mixed powder is the original powder: mixing, removing alkalinity of strong alkali liquor, washing, drying and heating to obtain the product; the waste gas information comprises waste gas molecular weight information, waste gas temperature information, waste gas pressure information and waste gas volume concentration information;
the waste gas analysis module is used for receiving the waste gas information transmitted by the waste gas monitoring module and analyzing the waste gas information, and the specific analysis process is as follows:
the method comprises the following steps: acquiring the molecular weight information of the waste gas in the waste gas information, and marking the molecular weight information of the waste gas as M1;
acquiring waste gas temperature information in the waste gas information, and marking the waste gas temperature information as T1;
acquiring waste gas pressure information in the waste gas information, and marking the waste gas pressure information as P1;
acquiring the volume concentration information of the waste gas in the waste gas information, and marking the volume concentration information of the waste gas as ppm;
step two: converting the volume concentration of the exhaust gas into the mass concentration Zi of the exhaust gas according to a calculation formula of the mass concentration of the gas, wherein the calculation formula of the mass concentration of the gas is as follows:
Zi=(M1/22.4)×[273/(273+T1)]×[P1/101325]×ppm
the waste gas analysis module is used for transmitting the waste gas mass concentration Zi to the judgment module;
the database stores concentration ranges which are allowed to be discharged by various waste gases, the database is used for transmitting the concentration ranges which are allowed to be discharged by various waste gases to the judging module, the judging module receives the concentration ranges which are transmitted by the database and allowed to be discharged by various waste gases, compares the mass concentration of the waste gases with the concentration ranges which are allowed to be discharged by various waste gases, and judges whether the mass concentration of the waste gases exceeds the standard or not, and the specific judging process is as follows:
SS 1: marking the concentration range of the various exhaust gases allowed to be discharged as Ri, i-1.. n according to the concentration range of the various exhaust gases allowed to be discharged transmitted by the database; wherein i represents the ith exhaust gas;
SS 2: comparing the mass concentration Zi of the exhaust gas with the corresponding Ri, and judging whether the mass concentration Zi of the exhaust gas exceeds the standard or not;
when Zi < Ri, judging that the mass concentration of the exhaust gas is not overproof;
when Zi is larger than or equal to Ri, judging that the mass concentration of the waste gas exceeds the standard, and generating an early warning signal;
the judgment module is used for transmitting the early warning signal to the controller, and the controller is used for receiving the early warning signal and then controlling the alarm module to give an alarm, controlling the waste gas treatment device to operate, treating waste gas, improving the resource utilization rate and protecting the environment.
The working principle of the invention is as follows:
a comprehensive utilization system for recycling coal gangue is characterized in that during operation, a graded closed hammer crusher is used for crushing the coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, and corresponding original powder is obtained; the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment; shooting an original powder image subjected to crushing treatment in real time through a high-definition camera, converting the original powder image into a gray image, converting the gray image into a standard image through image preprocessing, identifying each pixel point in the standard image, identifying corresponding abnormal pixel points, and determining corresponding large-particle pixel points in the identified abnormal pixel points; counting the total number of the large-particle pixels, obtaining a large-particle proportionality coefficient K1 by using a formula K1= alpha X X2/(X1-X3), and judging that the crushing is incomplete when the large-particle proportionality coefficient K1 is larger than or equal to a preset proportionality coefficient, so as to generate a crushing abnormal instruction; the controller receives the crushing abnormity instruction and then controls the alarm module to give an alarm, and the display module displays the character of 'crushing abnormity' in real time, so that the processing is convenient for workers; the crushing monitoring module monitors the quality of the original powder after crushing treatment, which is beneficial to visually displaying the quality of the crushed coal gangue and waste cathode carbon blocks, so that the crushed coal gangue and waste cathode carbon blocks are crushed more thoroughly, and the utilization efficiency is improved;
the original powder material is processed by the following steps: mixing, strong alkali solution dealkalizing, washing, drying and heating to obtain mixed powder, wherein the waste gas monitoring module is used for monitoring waste gas information generated in the oxidation combustion process of the mixed powder in an oxidizing atmosphere and transmitting the waste gas information to the waste gas analysis module, and the waste gas analysis module is used for analyzing the waste gas information and combining the waste gas molecular weight information, the waste gas temperature information, the waste gas pressure information and the waste gas volume concentration information; using the formula Zi = (M1/22.4) × [273/(273+ T1) ] × [ P1/101325] × ppm
Acquiring the mass concentration of the waste gas, and when Zi is more than or equal to Ri, judging that the mass concentration of the waste gas exceeds the standard, and generating an early warning signal; the controller is used for receiving the early warning signal and then controlling the alarm module to give an alarm, controlling the waste gas treatment device to operate, treating waste gas, improving the resource utilization rate and protecting the environment.
The above formulas are all obtained by collecting a large amount of data to perform software simulation and performing parameter setting processing by corresponding experts, and the formulas are in accordance with real results.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A comprehensive utilization system for recycling coal gangue is characterized by comprising a graded closed hammer crusher, a crushing monitoring module, a controller, an alarm module, a display module, a waste gas monitoring module, a waste gas analysis module and a judgment module;
the graded closed hammer crusher is used for crushing coal gangue and waste cathode carbon blocks until the particle size is 20-40 mm, and obtaining corresponding original powder;
the crushing monitoring module is used for monitoring the quality of the original powder after crushing treatment, and the specific monitoring steps are as follows:
s1: shooting an original powder image subjected to crushing treatment in real time through a high-definition camera;
s2: obtaining a large particle proportionality coefficient K1;
s3: comparing the large particle proportionality coefficient K1 with a preset coefficient threshold;
when the large particle proportion coefficient K1 is larger than or equal to the preset coefficient threshold, judging that the crushing is not thorough, and generating a crushing abnormal instruction;
the crushing monitoring module is used for transmitting a crushing abnormity instruction to the controller, the controller receives the crushing abnormity instruction and then controls the alarm module to give an alarm, and the display module displays the word of 'crushing abnormity' in real time;
the waste gas monitoring module is used for monitoring waste gas information generated in the oxidation combustion process of the mixed powder under the oxidizing atmosphere and transmitting the waste gas information to the waste gas analysis module;
the waste gas analysis module is used for receiving the waste gas information transmitted by the waste gas monitoring module and analyzing the waste gas information to obtain the waste gas mass concentration Zi; the waste gas analysis module is used for transmitting the waste gas mass concentration Zi to the judgment module;
the database is used for transmitting the concentration range of various waste gases allowed to be discharged to the judging module, and the judging module receives the concentration range of various waste gases allowed to be discharged transmitted by the database, compares the mass concentration of the waste gases with the concentration range of various waste gases allowed to be discharged, and judges whether the mass concentration of the waste gases exceeds the standard or not.
2. The comprehensive utilization system of coal gangue resources as claimed in claim 1, wherein in step S2, a large particle proportionality coefficient K1 is obtained; the method comprises the following specific steps:
s21: converting an original powder image into a gray image, and converting the gray image into a standard image through image preprocessing; the image preprocessing comprises Gaussian filtering, image segmentation and image enhancement;
s22: acquiring the total number of pixel points in the standard image; and labeled as X1;
s23: identifying each pixel point in the standard image to identify corresponding abnormal pixel points; the method comprises the following steps:
s231: firstly, marking the gray value of a pixel point in a standard image as H1;
s232: performing difference operation on the gray value of each pixel point and the set gray value parameter of the standard powder to obtain a difference result, and marking the difference result as C1;
s233: if the difference result C1 is less than or equal to the preset difference threshold, the pixel point is considered to be a normal powder pixel point;
if the difference result C1 is greater than a preset difference threshold, the pixel point is considered as an abnormal pixel point;
s24: determining corresponding large-particle pixel points in the identified abnormal pixel points; the method comprises the following steps:
s241: scanning pixel points in the standard image line by line from left to right and from top to bottom, recording the coordinate of each abnormal pixel point and marking as (Xi, Yi);
s242: checking whether the points (Xi-1, Yi), (Xi +1, Yi), (Xi, Yi-1), (Xi, Yi + 1), (Xi, Yi-1), (Xi, Yi + 1), (Xi-1, Yi-1), (Xi +1, Yi-1) and (Xi +1, Yi + 1) adjacent to the points (Xi, Yi) are abnormal pixel points;
if the adjacent points are still abnormal pixel points, all the adjacent abnormal pixel points form a large-particle material; marking the pixel points corresponding to the large-particle materials as large-particle pixel points;
if the adjacent points are not abnormal pixel points, the abnormal pixel points are marked as specific pixel points;
s25: counting the total number of large-particle pixel points and marking the large-particle pixel points as X2; counting the total number of the specific pixel points and marking the total number as X3;
s26: the large-particle proportionality coefficient K1 is obtained by using the formula K1= α × X2/(X1-X3), where α is a preset proportionality coefficient.
3. The coal gangue resource comprehensive utilization system according to claim 1, wherein the mixed powder is an original powder obtained by: mixing, removing alkalinity of strong alkali liquor, washing, drying and heating to obtain the product; the exhaust gas information comprises exhaust gas molecular weight information, exhaust gas temperature information, exhaust gas pressure information and exhaust gas volume concentration information.
4. The coal gangue resource comprehensive utilization system according to claim 1, wherein the specific analysis process of the waste gas analysis module is as follows:
the method comprises the following steps: acquiring the molecular weight information of the waste gas in the waste gas information, and marking the molecular weight information of the waste gas as M1;
acquiring waste gas temperature information in the waste gas information, and marking the waste gas temperature information as T1;
acquiring waste gas pressure information in the waste gas information, and marking the waste gas pressure information as P1;
acquiring the volume concentration information of the waste gas in the waste gas information, and marking the volume concentration information of the waste gas as ppm;
step two: converting the exhaust gas volume concentration into the exhaust gas mass concentration Zi according to a calculation formula of the gas mass concentration, wherein the calculation formula of the gas mass concentration is as follows:
Zi=(M1/22.4)×[273/(273+T1)]×[P1/101325]×ppm。
5. the coal gangue resource comprehensive utilization system according to claim 1, wherein the specific judgment process of the judgment module is as follows:
SS 1: marking the concentration range of the various exhaust gases allowed to be discharged as Ri, i-1.. n according to the concentration range of the various exhaust gases allowed to be discharged transmitted by the database; wherein i represents the ith exhaust gas;
SS 2: comparing the mass concentration Zi of the exhaust gas with the corresponding Ri, and judging whether the mass concentration Zi of the exhaust gas exceeds the standard or not;
when Zi < Ri, judging that the mass concentration of the exhaust gas is not overproof;
when Zi is larger than or equal to Ri, judging that the mass concentration of the waste gas exceeds the standard, and generating an early warning signal;
the judgment module is used for transmitting the early warning signal to the controller, and the controller is used for receiving the early warning signal and then controlling the alarm module to give an alarm, controlling the waste gas treatment device to operate and treating waste gas.
CN202011304905.XA 2020-11-19 2020-11-19 Coal gangue resource comprehensive utilization system Active CN112462656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011304905.XA CN112462656B (en) 2020-11-19 2020-11-19 Coal gangue resource comprehensive utilization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011304905.XA CN112462656B (en) 2020-11-19 2020-11-19 Coal gangue resource comprehensive utilization system

Publications (2)

Publication Number Publication Date
CN112462656A CN112462656A (en) 2021-03-09
CN112462656B true CN112462656B (en) 2021-11-23

Family

ID=74837255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011304905.XA Active CN112462656B (en) 2020-11-19 2020-11-19 Coal gangue resource comprehensive utilization system

Country Status (1)

Country Link
CN (1) CN112462656B (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459067B1 (en) * 2002-06-12 2004-12-03 한국지질자원연구원 Treatment method for recycling of waste coal tailings
AU2003902667A0 (en) * 2003-05-28 2003-06-12 Bm Alliance Coal Operations Pty Ltd Method and apparatus for determining particle parameter and processor performance in a coal and/or mineral processing system
WO2007134367A1 (en) * 2006-05-18 2007-11-29 The University Of Queensland Apparatus for determining breakage properties of particulate material
CN201614380U (en) * 2009-12-09 2010-10-27 福州闽缘电子有限公司 Control device for utilizing waste blast furnace gas of steelmaking lime kiln
CN102617113A (en) * 2012-04-05 2012-08-01 陈宏胜 Method for manufacturing building material by using high-water content sludge in urban sewage treatment plant
CN103193424A (en) * 2013-04-07 2013-07-10 徐州工程学院 Method for producing pervious concrete through comprehensive utilization of coal gangues
CN103215077B (en) * 2013-04-10 2015-07-01 山西鑫立能源科技有限公司 Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device
RU2663599C2 (en) * 2014-03-18 2018-08-07 Метсо Минералз, Инк. Method for controlling crusher operation, installation for mineral material processing and control system
CN103992820B (en) * 2014-05-16 2017-01-11 新奥科技发展有限公司 Comprehensive utilization method of coal gangue
CN108957514B (en) * 2018-05-21 2019-10-22 北京科技大学 A kind of nuclear radiation detection method
CN109264863B (en) * 2018-11-27 2021-03-09 魏星 Water treatment percolation filler prepared from coal gangue and application method thereof
CN110340104B (en) * 2019-06-06 2021-11-05 吕梁学院 Comprehensive utilization equipment and comprehensive utilization method for ecological resource of coal gangue
CN111389763A (en) * 2020-04-26 2020-07-10 山西科泰自动化科技有限公司 Coal gangue sorting system and method based on image data processing

Also Published As

Publication number Publication date
CN112462656A (en) 2021-03-09

Similar Documents

Publication Publication Date Title
US5352419A (en) Recovery of aluminium and fluoride values from spent pot lining
CN110194474A (en) Utilize the process of aluminium ash production aluminium polychloride and calcium aluminate
CN104777830A (en) Multi-work-condition process monitoring method based on KPCA (kernel principal component analysis) mixture model
CN109534347A (en) A method of use for electronic products high purity quartz emery dust is prepared containing feldspar ore type quartzite
CN112462656B (en) Coal gangue resource comprehensive utilization system
CN110436498A (en) The method of high purity aluminium oxide is recycled in a kind of Quadratic aluminum dust of secondary aluminium melting end
Abali et al. Optimization of dolomite ore leaching in hydrochloric acid solutions
CN113667841B (en) Method for extracting rare earth and recovering fluorine resource from bastnaesite
CN112051355B (en) Detection and analysis method for steel smelting solid waste
CN110408794A (en) Asbestos deposit process for cleanly preparing
KR20170007423A (en) System and process for selective rare earth extraction with sulfur recovery
CN110093471A (en) A kind of efficient low-consume red mud method of comprehensive utilization
Owoeye et al. Effects of process variable on synthesis and characterization of amorphous silica nanoparticles using sodium silicate solutions as precursor by sol–gel method
Lang et al. Mineral characterization as a tool in the implementation of geometallurgy into industrial mineral mining
CN110358921B (en) Treatment process of zinc-containing dust and sludge solid waste
CN112391532A (en) Method for treating waste SCR catalyst by sodium roasting
CN103201221A (en) Improved synthetic rutile process a
CN108441004B (en) Device and method for preparing aluminum electrolysis anode anti-oxidation coating by utilizing aluminum ash
CN110079678B (en) Method for recycling aluminum in secondary aluminum ash
CN113735131B (en) Method for efficiently preparing water glass by using coal gangue
CN205115059U (en) System for improve carbide production quality
CN107128930A (en) The method of comprehensive utilization of flyash
CN100383053C (en) Method for recovering and making antimony oxide from antimony pentachloride solution
CN110711764A (en) Solid waste salt recycling process technology
CN115305362B (en) Method for removing alkali metal by reducing and volatilizing vanadium extraction tailings

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant