CN116375451A - Raw material processing technology for producing ceramsite from coal gangue - Google Patents
Raw material processing technology for producing ceramsite from coal gangue Download PDFInfo
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- CN116375451A CN116375451A CN202310054017.4A CN202310054017A CN116375451A CN 116375451 A CN116375451 A CN 116375451A CN 202310054017 A CN202310054017 A CN 202310054017A CN 116375451 A CN116375451 A CN 116375451A
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- 239000003245 coal Substances 0.000 title claims abstract description 39
- 239000002994 raw material Substances 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 30
- 239000004615 ingredient Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 27
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004088 foaming agent Substances 0.000 claims abstract description 20
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 36
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 12
- 229910000514 dolomite Inorganic materials 0.000 claims description 12
- 239000010459 dolomite Substances 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000012797 qualification Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
- C04B2235/321—Dolomites, i.e. mixed calcium magnesium carbonates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a raw material processing technology for producing ceramsite by using coal gangue, which comprises a data acquisition module and comprises the following steps: s1, selecting materials: selecting coal gangue and ingredients for producing ceramsite; s2, crushing: crushing gangue and ingredients respectively; s3, drying: drying the crushed gangue and ingredients; s4, mixing: adding a foaming agent and ferric oxide into the powder material subjected to the step S3, and uniformly mixing; s5, data acquisition: and (3) collecting the process parameters of the steps S1-S4 through a data collecting module, and comparing the process parameters with the set process parameters. The invention can detect the components and the radioactivity index of the gangue raw material, collect and monitor the technological parameters in real time, and ensure the qualification of the raw material and the compound production technological requirements of related parameters.
Description
Technical Field
The invention relates to the technical field of ceramsite preparation by coal gangue, in particular to a raw material processing technology for producing ceramsite by coal gangue.
Background
The gangue is solid waste generated in the coal mining process, china is a large country of coal mining and use, the annual gangue output accounts for about 25% of the national industrial waste residue discharge, and a large amount of land occupied by the gangue is reserved; the ceramsite produced by adopting the coal gangue is a lightweight aggregate with wide application range, and can be used in the fields of industry, building industry, agriculture and the like; the production of the ceramsite by the coal gangue can be roughly divided into the steps of raw material processing, granulating, drying, preheating, roasting and the like, and in order to reduce the carbon content in the ceramsite and improve the foaming effect, auxiliary raw materials such as dolomite, sodium carbonate and the like are added into the coal gangue, and the auxiliary raw materials and the coal gangue are mixed according to a proportion after being ground to be used as the raw materials for producing the ceramsite. The traditional raw material processing technology only comprises the processes of crushing, grinding, sieving and drying, lacks detection of gangue components (such as indexes of carbon content and the like) and radioactivity before crushing, collects and monitors parameters of each link, disperses data, and cannot trace back when bad products appear; these problems make the dependency of the producer on the ingredients and the radioactivity index provided by the gangue provider great, and the collection and treatment efficiency of each process parameter is low.
Disclosure of Invention
The invention aims to provide a raw material processing technology for producing ceramsite by using coal gangue, which is characterized in that the coal gangue is a component, particularly carbon content, is detected before crushing, meanwhile, the radioactivity index of the coal gangue is detected, and all links of the technology are collected and monitored through a data collection module, so that workers can know all parameters in real time, and the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the processing technology of the raw material for producing the ceramsite by using the coal gangue comprises a data acquisition module, and comprises the following steps:
s1, selecting materials: selecting coal gangue and ingredients for producing ceramsite;
s2, crushing: crushing gangue and ingredients respectively;
s3, drying: drying the crushed gangue and ingredients;
s4, mixing: adding a foaming agent and ferric oxide into the powder material subjected to the step S3, and uniformly mixing;
s5, data acquisition: and (3) collecting the process parameters of the steps S1-S4 through a data collecting module, and comparing the process parameters with the set process parameters.
Preferably, the data acquisition module comprises a gangue component detection module used in the step S1, a crushed particle number detection module used in the step S2, a drying temperature monitoring module used in the step S3, a data transmission module and a monitoring computer, wherein the data acquisition module is used for providing connection between the data transmission module and the monitoring computer.
Preferably, the gangue component detection module is an X-ray diffraction device, the particle mesh number detection module is a laser diffraction device, and the drying temperature monitoring module is a temperature sensor.
Preferably, the data transmission module comprises a wireless communication module and an internet of things communication module.
Preferably, in step S1, the ingredients include shale, dolomite, iron oxide and sodium carbonate; one or more of them.
Preferably, in step S2, the following sub-steps are included:
s2.1, coarse grinding: crushing the gangue and the ingredients respectively by a crusher;
s2.2, fine grinding: finely grinding the coal gangue and ingredients subjected to coarse grinding through a ball mill;
s2.3, sieving: passing the finely ground powder raw material through a standard sieve with 100 meshes;
s2.4, sampling: the raw material powder remained on the 100-mesh standard sieve is sampled and prepared into suspension, the particle size is detected by a laser diffraction device, and the particle size is transmitted to a monitoring computer by a data transmission module.
Preferably, in step S3, the raw material powder after step S2 is dried by an oven at a drying temperature of 100-110 ℃ for 1-2 hours, the temperature sensor is arranged in the oven, and the temperature sensor transmits temperature information to the monitoring computer through the data transmission module.
Preferably, in step S4, the following sub-steps are included:
s4.1, mixing the gangue with shale powder in a mixing ratio of 4:1-5:1;
s4.2, adding a foaming agent and ferric oxide into the mixed powder in the step S4.1, wherein the foaming agent accounts for 0.5% -2% of the total amount of the powder, the foaming agent comprises one or two of dolomite and sodium carbonate, and the ferric oxide is powder of ferric oxide with the purity of 99.9%.
Preferably, the foaming agent is dolomite and sodium carbonate according to 1:1 mass ratio.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the components of the gangue are detected and analyzed through the gangue component detection module, and the gangue with low carbon content is selected. Meanwhile, the radioactivity of the coal gangue is detected through an X-ray detection device, the internal irradiation index and the external irradiation index of the coal gangue are obtained, and compared with the national requirement on the radioactivity level of the radioactive waste, whether the use requirement of the A-class material is met or not is judged.
2. The particle size detection module detects the particle size of the powder which fails to pass through the 100-target standard sieve, and transmits the particle size information to the monitoring computer; the grain size information of the staff is used for adjusting the fine grinding process; the drying temperature monitoring module is matched with the oven to monitor the temperature of the oven and transmit the temperature information to the monitoring computer in real time.
3. The invention is provided with a monitoring computer which is communicated with a data acquisition module on the production line site through an Internet of things communication module and a wireless communication module; each technological parameter of the raw material treatment process is obtained in real time through a monitoring computer, and when the defect of a product occurs, a worker can call the current production technological parameter in real time, so that the defect cause can be conveniently analyzed; in the production process, if some parameters are not consistent with the requirements of the production process, staff can also inform on-site staff to check.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a block diagram of the steps of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution: the processing technology of the raw material for producing the ceramsite by using the coal gangue comprises a data acquisition module, and comprises the following steps:
s1, selecting materials: selecting coal gangue and ingredients for producing ceramsite;
s2, crushing: crushing gangue and ingredients respectively;
s3, drying: drying the crushed gangue and ingredients;
s4, mixing: adding a foaming agent and ferric oxide into the powder material subjected to the step S3, and uniformly mixing;
s5, data acquisition: and (3) collecting the process parameters of the steps S1-S4 through a data collecting module, and comparing the process parameters with the set process parameters.
The data acquisition module comprises a gangue component detection module used in the step S1, a crushed particle mesh detection module used in the step S2, a drying temperature monitoring module used in the step S3, a data transmission module and a monitoring computer, wherein the data acquisition module provides the data transmission module to be connected with the monitoring computer.
The gangue component detection module is an X-ray diffraction device, the particle mesh number detection module is a laser diffraction device, and the drying temperature monitoring module is a temperature sensor.
The data transmission module comprises a wireless communication module and an Internet of things communication module.
In step S1, ingredients comprise shale, dolomite, ferric oxide and sodium carbonate; one or more of them.
In step S2, the following sub-steps are included:
s2.1, coarse grinding: crushing the gangue and the ingredients respectively by a crusher;
s2.2, fine grinding: finely grinding the coal gangue and ingredients subjected to coarse grinding through a ball mill;
s2.3, sieving: passing the finely ground powder raw material through a standard sieve with 100 meshes;
s2.4, sampling: the raw material powder remained on the 100-mesh standard sieve is sampled and prepared into suspension, the particle size is detected by a laser diffraction device, and the particle size is transmitted to a monitoring computer by a data transmission module.
In the step S3, the raw material powder after the step S2 is dried by an oven, the drying temperature is 100 ℃, the drying time is 1 hour, a temperature sensor is arranged in the oven, and the temperature sensor transmits temperature information to a monitoring computer through a data transmission module.
In step S4, the following sub-steps are included:
s4.1, mixing the gangue with shale powder in a mixing ratio of 4:1;
s4.2, adding a foaming agent and ferric oxide into the mixed powder in the step S4.1, wherein the foaming agent accounts for 0.5% of the total powder, the foaming agent comprises one or two of dolomite and sodium carbonate, and the ferric oxide is ferric oxide powder with the purity of 99.9%.
The foaming agent is dolomite and sodium carbonate according to the following ratio of 1:1 mass ratio.
Example two
Referring to fig. 1-2, the present invention provides a technical solution: the processing technology of the raw material for producing the ceramsite by using the coal gangue comprises a data acquisition module, and comprises the following steps:
s1, selecting materials: selecting coal gangue and ingredients for producing ceramsite;
s2, crushing: crushing gangue and ingredients respectively;
s3, drying: drying the crushed gangue and ingredients;
s4, mixing: adding a foaming agent and ferric oxide into the powder material subjected to the step S3, and uniformly mixing;
s5, data acquisition: and (3) collecting the process parameters of the steps S1-S4 through a data collecting module, and comparing the process parameters with the set process parameters.
The data acquisition module comprises a gangue component detection module used in the step S1, a crushed particle mesh detection module used in the step S2, a drying temperature monitoring module used in the step S3, a data transmission module and a monitoring computer, wherein the data acquisition module provides the data transmission module to be connected with the monitoring computer.
The gangue component detection module is an X-ray diffraction device, the particle mesh number detection module is a laser diffraction device, and the drying temperature monitoring module is a temperature sensor.
The data transmission module comprises a wireless communication module and an Internet of things communication module.
In step S1, ingredients comprise shale, dolomite, ferric oxide and sodium carbonate; one or more of them.
In step S2, the following sub-steps are included:
s2.1, coarse grinding: crushing the gangue and the ingredients respectively by a crusher;
s2.2, fine grinding: finely grinding the coal gangue and ingredients subjected to coarse grinding through a ball mill;
s2.3, sieving: passing the finely ground powder raw material through a standard sieve with 100 meshes;
s2.4, sampling: the raw material powder remained on the 100-mesh standard sieve is sampled and prepared into suspension, the particle size is detected by a laser diffraction device, and the particle size is transmitted to a monitoring computer by a data transmission module.
In the step S3, the raw material powder after the step S2 is dried by an oven, the drying temperature is 110 ℃, the drying time is 2 hours, a temperature sensor is arranged in the oven, and the temperature sensor transmits temperature information to a monitoring computer through a data transmission module.
In step S4, the following sub-steps are included:
s4.1, mixing the gangue with shale powder in a mixing ratio of 5:1;
s4.2, adding a foaming agent and ferric oxide to the mixed powder in the step S4.1, wherein the foaming agent accounts for 2% of the total powder, and the ferric oxide is ferric oxide powder with the purity of 99.9%.
The foaming agent is dolomite and sodium carbonate according to the following ratio of 1:1 mass ratio.
Working principle: the gangue is selected through the gangue component detection module, and the gangue with low carbon content is selected mainly in consideration of the fact that the carbon content of the gangue required by firing the ceramsite is low. Meanwhile, the radioactivity of the coal gangue is detected through an X-ray detection device, so that an internal irradiation index and an external irradiation index of the coal gangue are obtained, and compared with the national requirement on the radioactivity level of the radioactive waste, whether the use requirement of the A-class material is met or not is judged;
the drying temperature monitoring module is matched with the oven to monitor the temperature of the oven and transmit the temperature information to the monitoring computer in real time;
detecting the particle size of the powder which fails to pass through the 100-target standard sieve through a particle size detection module, and transmitting particle size information to a monitoring computer; and adjusting the fine grinding process by the particle size information of the staff.
The drying temperature monitoring module is matched with the oven to monitor the temperature of the oven and transmit the temperature information to the monitoring computer in real time.
The monitoring computer can be arranged outside the production line and is communicated with a data acquisition module on the site of the production line through the communication module of the Internet of things and the wireless communication module.
Each technological parameter of the raw material treatment process is obtained in real time through a monitoring computer, and when the defect of a product occurs, a worker can call the current production technological parameter in real time, so that the defect cause can be conveniently analyzed; in the production process, if some parameters are not consistent with the requirements of the production process, staff can also inform on-site staff to check.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A processing technology of a raw material for producing ceramsite by using coal gangue is characterized by comprising the following steps: the method comprises a data acquisition module, and comprises the following steps:
s1, selecting materials: selecting coal gangue and ingredients for producing ceramsite;
s2, crushing: crushing gangue and ingredients respectively;
s3, drying: drying the crushed gangue and ingredients;
s4, mixing: adding a foaming agent and ferric oxide into the powder material subjected to the step S3, and uniformly mixing;
s5, data acquisition: and (3) collecting the process parameters of the steps S1-S4 through a data collecting module, and comparing the process parameters with the set process parameters.
2. The raw material processing technology for producing ceramsite by using coal gangue according to claim 1, which is characterized in that: the data acquisition module comprises a gangue component detection module used in the step S1, a crushed particle mesh detection module used in the step S2, a drying temperature monitoring module used in the step S3, a data transmission module and a monitoring computer, wherein the data acquisition module is used for providing connection between the data transmission module and the monitoring computer.
3. The raw material processing technology for producing ceramsite by using coal gangue according to claim 2, which is characterized in that: the gangue component detection module is an X-ray diffraction device, the particle mesh number detection module is a laser diffraction device, and the drying temperature monitoring module is a temperature sensor.
4. The raw material processing technology for producing ceramsite by using coal gangue according to claim 2, which is characterized in that: the data transmission module comprises a wireless communication module and an Internet of things communication module.
5. The raw material processing technology for producing ceramsite by using coal gangue according to claim 1, which is characterized in that: in step S1, the ingredients include shale, dolomite, iron oxide and sodium carbonate; one or more of them.
6. The raw material processing technology for producing ceramsite by using coal gangue according to claim 1, which is characterized in that: in step S2, the following sub-steps are included:
s2.1, coarse grinding: crushing the gangue and the ingredients respectively by a crusher;
s2.2, fine grinding: finely grinding the coal gangue and ingredients subjected to coarse grinding through a ball mill;
s2.3, sieving: passing the finely ground powder raw material through a standard sieve with 100 meshes;
s2.4, sampling: the raw material powder remained on the 100-mesh standard sieve is sampled and prepared into suspension, the particle size is detected by a laser diffraction device, and the particle size is transmitted to a monitoring computer by a data transmission module.
7. The raw material processing technology for producing ceramsite by using coal gangue according to claim 1, which is characterized in that: in the step S3, the raw material powder after the step S2 is dried by an oven, the drying temperature is 100-110 ℃, the drying time is 1-2 hours, the temperature sensor is arranged in the oven, and the temperature sensor transmits temperature information to the monitoring computer by a data transmission module.
8. The raw material processing technology for producing ceramsite by using coal gangue according to claim 1, which is characterized in that: in step S4, the following sub-steps are included:
s4.1, mixing the gangue with shale powder in a mixing ratio of 4:1-5:1;
s4.2, adding a foaming agent and ferric oxide into the mixed powder in the step S4.1, wherein the foaming agent accounts for 0.5% -2% of the total amount of the powder, the foaming agent comprises one or two of dolomite and sodium carbonate, and the ferric oxide is powder of ferric oxide with the purity of 99.9%.
9. The raw material processing technology for producing ceramsite by using coal gangue as claimed in claim 8, wherein the raw material processing technology is characterized in that: the foaming agent is dolomite and sodium carbonate according to the following ratio of 1:1 mass ratio.
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| CN202310054017.4A CN116375451A (en) | 2023-02-03 | 2023-02-03 | Raw material processing technology for producing ceramsite from coal gangue |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0124130D0 (en) * | 2001-10-08 | 2001-11-28 | Millennium Venture Holdings Lt | Improvements relating to staged production in volume manufacture |
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