CN111552255A - Cement production quality on-line measuring system - Google Patents
Cement production quality on-line measuring system Download PDFInfo
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- CN111552255A CN111552255A CN202010444132.9A CN202010444132A CN111552255A CN 111552255 A CN111552255 A CN 111552255A CN 202010444132 A CN202010444132 A CN 202010444132A CN 111552255 A CN111552255 A CN 111552255A
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- 239000004568 cement Substances 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims 2
- 239000011593 sulfur Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 235000012054 meals Nutrition 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 5
- 238000003908 quality control method Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009440 infrastructure construction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/361—Condition or time responsive control in hydraulic cement manufacturing processes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
-
- 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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses an online detection system for cement production quality, which comprises: the online detector group and the online analyzer group are respectively arranged at a raw material proportioning position, a raw material grinding position, a clinker warehousing position and a finished product warehousing position; the DCS is connected with each online detector and each online analyzer through interfaces and used for receiving data transmitted by the online detectors and the online analyzers; and the expert system is connected with each online detector and each online analyzer through interfaces and is used for receiving the data transmitted by the online detectors and the online analyzers, and meanwhile, the expert system also receives the data transmitted by the DCS system. The invention can realize the real-time detection and control of the cement production quality, is beneficial to improving the production process, reduces the production cost and provides the cement product quality.
Description
Technical Field
The invention relates to the field of cement production, in particular to an online detection system for cement production quality.
Background
With the strong strengthening of the infrastructure construction in China, cement is used as an essential material for the infrastructure construction, and the product quality of the cement is more and more valued by the market.
The cement production has the characteristics of large-scale and continuous production and the like, and belongs to typical flow type production. At present, most cement manufacturing enterprises adopt an off-line mode for quality detection in the aspect of production quality control, namely a mode of combining timing sampling and laboratory detection, and utilize a fluorescence analyzer and a particle size detector for quality detection in the production process. The production quality control method has the following defects:
1. part of products can not be sampled on site, and detection points are few;
2. the sampling, inspection and detection time is too long, and the quality cannot be timely, quickly and accurately mastered;
3. aiming at the problem of abnormal quality, the production process cannot be adjusted in time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an online detection system for cement production quality, which solves the problems that partial products cannot be sampled on site, the number of detection points is small, the sampling, inspection and detection time is too long, the quality cannot be mastered timely, quickly and accurately, and the production process cannot be adjusted timely aiming at the problem of abnormal quality in the quality control aspect of the existing cement production enterprises.
The technical scheme adopted by the invention for solving the problems is as follows:
an on-line cement production quality detection system, comprising:
the online detector group and the online analyzer group are respectively arranged at a raw material proportioning position, a raw material grinding position, a clinker warehousing position and a finished product warehousing position;
the DCS is connected with each online detector and each online analyzer through interfaces and used for receiving data transmitted by the online detectors and the online analyzers;
and the expert system is connected with each online detector and each online analyzer through interfaces and is used for receiving the data transmitted by the online detectors and the online analyzers, and meanwhile, the expert system also receives the data transmitted by the DCS system.
Further, as a preferred technical scheme, the online analyzer group comprises an in-grinding raw material online analyzer, the in-grinding raw material online analyzer is installed at the in-grinding raw material belt scale, and transmission type non-contact online detection is performed on all in-grinding raw materials on the convection and skin belt scale.
Further, as a preferred technical scheme, the on-line detector set comprises an on-line detector for the particle size of the raw material to be ground, and the on-line detector for the particle size of the raw material to be ground is installed at the outlet of the raw material mill.
Further, as a preferred technical scheme, the on-line analyzer group further comprises a raw material iron-calcium fluorescence on-line analyzer, and the raw material iron-calcium fluorescence on-line analyzer is installed at the outlet of the raw material mill.
The online detector set also comprises a clinker free calcium oxide online detector, and the clinker free calcium oxide online detector is arranged at the discharge port of the rotary kiln.
Further, as a preferred technical scheme, the online detector set further comprises a cement outgoing abrasive particle size online detector, and the cement outgoing abrasive particle size online detector is installed at a discharge port of the cement mill.
Further, as preferred technical scheme, the on-line detector group still includes that the cement mill goes out and contains the online detector of sulphur content, the online detector of cement mill sulphur content is installed in the discharge gate department of cement mill.
Further, as a preferred technical solution, the system further comprises a data storage unit, wherein the data storage unit is used for storing data in databases of the online detectors and the online analyzers.
Compared with the prior art, the invention has the following beneficial effects:
the invention realizes the real-time detection of the cement production quality by adopting various on-line detectors and on-line analyzers to carry out on-line real-time detection on the raw material proportion, raw material grinding, homogenization, calcination, clinker grinding and the like in the cement production link, and effectively controls the cement production process in real time by integrating with a DCS (distributed control system) and an expert system, thereby being beneficial to improving the production process, reducing the production cost and providing the cement product quality.
Drawings
FIG. 1 is a block diagram of the system components of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Examples
As shown in fig. 1, an on-line detection system for cement production quality according to a preferred embodiment of the present invention is characterized by comprising:
the online detector group and the online analyzer group are respectively arranged at a raw material proportioning position, a raw material grinding position, a clinker warehousing position and a finished product warehousing position;
the DCS is connected with each online detector and each online analyzer through interfaces and used for receiving data transmitted by the online detectors and the online analyzers;
and the expert system is connected with each online detector and each online analyzer through interfaces and is used for receiving the data transmitted by the online detectors and the online analyzers, and meanwhile, the expert system also receives the data transmitted by the DCS system.
Specifically, the on-line analyzer group of the embodiment includes an in-mill raw material on-line analyzer, the in-mill raw material on-line analyzer is installed at an in-mill raw material belt scale, gamma rays are adopted to perform transmission type non-contact on-line detection on all in-mill raw materials on the belt scale, the content of each component is analyzed, relevant quality control parameters are calculated, the proportion of each ingredient scale is adjusted, and it is ensured that three values (LSF/KH, SM and IM) of raw materials entering a kiln meet process requirements, so that the proportion of the raw materials is effectively controlled in real time, and quality control is realized in a feeding link.
In this embodiment, online detector group is including going out mill raw meal granularity online detector, goes out mill raw meal granularity online detector and installs in raw meal mill outlet department, carries out real-time detection to the granularity of going out mill raw meal, when the granularity of going out mill raw meal does not satisfy the demand of high-quality production, obtains the mill raw meal of required granularity through the amount of wind of adjusting the fan or the rotational speed of selection powder machine to improve cement production quality.
In this embodiment, the on-line analyzer set further includes a raw material iron-calcium fluorescence on-line analyzer, which is installed at the outlet of the raw material mill, detects the iron-calcium content of the raw material by using X-rays, and adjusts the raw material ratio according to the detected value and the required value, so as to obtain cement with high quality.
In this embodiment, the on-line measuring instrument set further includes a clinker free calcium oxide on-line measuring instrument, and the clinker free calcium oxide on-line measuring instrument is installed at the discharge port of the rotary kiln, so that the content of free calcium oxide in clinker coming out of the rotary kiln can be measured in time, and the measured value can be used as a control basis of a firing expert optimization system.
In this embodiment, the on-line detecting instrument set further includes a cement outgoing abrasive grain degree on-line detecting instrument, the cement outgoing abrasive grain degree on-line detecting instrument is installed at a discharge port of the cement mill, and the particle size of cement milled from the cement mill is detected by using X-rays, so that the relevant parameters of the cement mill can be adjusted in real time.
In this embodiment, online detector group still includes that the cement goes out to grind contains sulphur content on-line measuring appearance, and the cement goes out to grind contains sulphur content on-line measuring appearance and installs in the discharge gate department that the cement ground, and this cement goes out to grind contains sulphur content on-line measuring appearance and can detect out sulfur trioxide's content in the cement, provides the basis for gypsum ratio in the adjustment cement batching.
In this embodiment, the operation data of each online detector and online analyzer is transmitted to the DCS system or the expert system through an interface in real time, and meanwhile, the data in the databases of each online detector and online analyzer is stored in the data storage unit so as to facilitate application, analysis, retrieval, and the like.
It should be noted that, the DCS system is the prior art, which is a new generation of instrument control system based on a microprocessor and adopting a design principle of decentralized control function, centralized display operation, and integrated coordination, and can also be interpreted as a "decentralized control system" or a "distributed computer control system. The expert system realizes on-line regulation and control on each cement production device by collecting the data of the on-line detector and the on-line analyzer, thereby obtaining high-quality cement production.
As described above, the present invention can be preferably realized.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (8)
1. An online detection system for cement production quality is characterized by comprising:
the online detector group and the online analyzer group are respectively arranged at a raw material proportioning position, a raw material grinding position, a clinker warehousing position and a finished product warehousing position;
the DCS is connected with each online detector and each online analyzer through interfaces and used for receiving data transmitted by the online detectors and the online analyzers;
and the expert system is connected with each online detector and each online analyzer through interfaces and is used for receiving the data transmitted by the online detectors and the online analyzers, and meanwhile, the expert system also receives the data transmitted by the DCS system.
2. The system of claim 1, wherein the on-line analyzer set comprises an in-mill raw material on-line analyzer, the in-mill raw material on-line analyzer is mounted at the in-mill raw material belt scale, and the transmission-type non-contact on-line detection is performed on all in-mill raw materials on the in-mill raw material belt scale.
3. The system of claim 2, wherein the on-line detecting unit comprises an on-line particle size detecting device for raw materials discharged from the raw mill, and the on-line particle size detecting device is installed at the outlet of the raw mill.
4. The system of claim 3, wherein the on-line analyzer set further comprises a raw iron calcium fluorescence on-line analyzer installed at the outlet of the raw mill.
5. The system as claimed in claim 4, wherein the on-line detection unit further comprises an on-line detector for free calcium oxide in clinker, and the on-line detector for free calcium oxide in clinker is installed at the discharge port of the rotary kiln.
6. The system of claim 5, wherein the on-line detection unit further comprises an on-line detection instrument for the abrasion degree of the cement, and the on-line detection instrument for the abrasion degree of the cement is installed at a discharge port of the cement mill.
7. The system of claim 6, wherein the online detection unit further comprises an online detector for sulfur content in the cement mill, and the online detector is installed at a discharge port of the cement mill.
8. The system for on-line detection of cement production quality as claimed in any one of claims 1 to 7, further comprising a data storage unit for storing data in the database of each on-line detector and on-line analyzer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444132.9A CN111552255A (en) | 2020-05-22 | 2020-05-22 | Cement production quality on-line measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444132.9A CN111552255A (en) | 2020-05-22 | 2020-05-22 | Cement production quality on-line measuring system |
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| CN111552255A true CN111552255A (en) | 2020-08-18 |
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| CN202010444132.9A Pending CN111552255A (en) | 2020-05-22 | 2020-05-22 | Cement production quality on-line measuring system |
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|---|---|---|---|---|
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| CN110918244A (en) * | 2019-12-23 | 2020-03-27 | 杭州和利时自动化有限公司 | Control method and device of cement grinding mill system and related equipment |
-
2020
- 2020-05-22 CN CN202010444132.9A patent/CN111552255A/en active Pending
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| CN202486576U (en) * | 2011-09-20 | 2012-10-10 | 北京凯盛建材工程有限公司 | Cement raw material blending control device |
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Application publication date: 20200818 |