CN104446038A - Method for improving machine hour production of cement grinding mill for producing P.O42.5 cement - Google Patents
Method for improving machine hour production of cement grinding mill for producing P.O42.5 cement Download PDFInfo
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- CN104446038A CN104446038A CN201410689712.9A CN201410689712A CN104446038A CN 104446038 A CN104446038 A CN 104446038A CN 201410689712 A CN201410689712 A CN 201410689712A CN 104446038 A CN104446038 A CN 104446038A
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- 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
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a method for improving machine hour production of a cement grinding mill for producing P.O42.5 cement. The method comprises the following steps: regulating mill ball distribution; and regulating proportion and a sequence of mineral powder mixed into the mill for production, to be specific, (1) carrying out proportioning on the following components in parts by weight: 7.9 parts of limestone and 10.8 parts of granulated blast-furnace slags, and (2) according to the proportion, sequentially mixing the limestone and the granulated blast-furnace slag into the mill to produce the P.O42.5 cement. The method for improving machine hour production of the cement grinding mill for producing P.O42.5 cement, which is disclosed by the invention, can overcome the defects of poor discharging accuracy, unreasonable mill ball distribution, low machine hour production and the like in the prior art so as to realize the advantages of high discharging accuracy, reasonable mill ball distribution and high machine hour production.
Description
Technical field
The present invention relates to cement processing technique field, particularly, relate to a kind of method improving cement grinding mill production P.O42.5 cement unit-hour output.
Background technology
Unit-hour output 2# line 1# cement grinding mill in October ,-2012 in June, 2012 being produced to P.O42.5 is added up, and sees the following form:
unit-hour output cartogram, unit: t/h
| June | July | August | September | October | Average aggregate |
| 95.9 | 78.1 | 72.4 | 74.1 | 75.4 | 79.2 |
As can be seen from the above table, when 1# cement grinding mill produces P.O42.5 cement, unit-hour output is all lower, should reach more than 95t/h when producing P.O42.5 cement according to 2# line cement grinding mill design scale.
For above situation, at the beginning of 2012 11 months, data summarization is carried out, as following table to the condition of production in 2# line in October ,-2012 in June, 2012:
unit-hour output production data is analyzed
When cement grinding mill produces cement, 1# ore grinding powder system breeze blanking curve out of true, but there is curve can be for reference.Metering outfit fault is many, blanking curve out of true; Cement grinding mill improper ventilation, easily full mill, paste ball, grinding machine ball is joined unreasonable; Raw material is complicated, Wingdale poor quality, and clinker discharging directly enters cement grinding mill bistrique storehouse, and powdered ore quality is unstable; Technological design is unreasonable, and breeze mixes production and gets a little unreasonable, mixes grinding aid volatile; Breeze mixes rear airborne dust and has a strong impact on.
When cement grinding mill produces cement, 1# ore grinding powder system breeze blanking curve out of true, but there is curve can be for reference.Grinding machine ball is joined unreasonable, and cement fineness requires: 45um≤15.0%, 80um≤3.0%.
From in July, 2013 and August mill steel ball grating with produce 45um and the 80um fineness data of P.O42.5 cement as following table:
Data can be found out, 45um and 80um fineness is and can reaches requirement.Wingdale poor quality, sees the following form:
Clinker discharging directly enters cement grinding mill bistrique storehouse, data according to statistics, in October ,-2012 in June, 2012 bistrique clinker temperature average out to 168 DEG C, no greater than the requirement of 180 DEG C.Powdered ore quality is unstable, sees the following form:
Breeze mixes grinding machine and produces and get a little unreasonable, according to table 1, produces and be all mixed with breeze and produce after July, and after breeze mixes, the decline of cement grinding mill unit-hour output straight line.
Mix grinding aid volatile, during in September ,-2012 in June, 2012, hot weather just, clinker temperature and envrionment temperature higher, grinding aid directly drips on grog at cement grinding mill mill, often see that grinding aid emits white cigarette, directly vapor away, cause incorporation not enough, cause without grinding-aid effect, but from October, 2012, increase tap water and grinding aid mixing device, stop grinding aid volatilization, reach non-volatile object.
Breeze mixes rear airborne dust and has a strong impact on, and after in July, 2012, admixture breeze was produced, but have and find airborne dust serious problems at the scene, after repeatedly linking up with total activation room environmental protection section, after adding the air quantity that gathers dust of dust-precipitator, on-the-spot dust collection effect is obvious.
Realizing in process of the present invention, contriver is finding at least there is blanking poor accuracy in prior art, the defects such as unreasonable and unit-hour output is low joined by grinding machine ball.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of method improving cement grinding mill production P.O42.5 cement unit-hour output, to realize the advantage that blanking tolerance range is good, grinding machine ball coordinates reason and unit-hour output is high.
For achieving the above object, the technical solution used in the present invention is: a kind of method improving cement grinding mill production P.O42.5 cement unit-hour output, comprising:
A, adjustment grinding machine ball are joined;
B, adjustment breeze mix proportioning and the order of grinding machine production:
(1) Wingdale and GBFS are pressed following parts by weight proportioning:
Wingdale: 7.9 parts;
GBFS: 10.8 parts;
(2), by proportioning, by Wingdale and GBFS by the order of mixing GBFS after first mixing Wingdale, mix grinding machine, produce P.O42.5 cement.
Further, described step a, specifically comprises:
(1), according to presetting cement fineness situation, regulating grinding element, making cement fineness reach 80um≤3.0%, 45um≤15.0%;
(2) regularly tail over tracing analysis;
(3) utilize laser particle size analyzer analysis.
The raising cement grinding mill of various embodiments of the present invention produces the method for P.O42.5 cement unit-hour output, owing to comprising: adjustment grinding machine ball is joined; Adjustment breeze mixes the proportioning and order that grinding machine produces: (1) by Wingdale and GBFS by following parts by weight proportioning: Wingdale: 7.9 parts; GBFS: 10.8 parts; (2), by proportioning, by Wingdale and GBFS by the order of mixing GBFS after first mixing Wingdale, mix grinding machine, produce P.O42.5 cement; Thus blanking poor accuracy in prior art can be overcome, grinding machine ball joins unreasonable and that unit-hour output is low defect, to realize the advantage that blanking tolerance range is good, grinding machine ball coordinates reason and unit-hour output is high.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification sheets, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 be in the present invention adjustment after inspection by sampling in December tail over tracing analysis figure;
Fig. 2 is laser particle size analysis graphic representation in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Producing P.O42.5 cement unit-hour output to improve cement grinding mill, according to the embodiment of the present invention, as depicted in figs. 1 and 2, providing a kind of method improving cement grinding mill production P.O42.5 cement unit-hour output, comprising:
A, adjustment grinding machine ball are joined; Step a, specifically comprises:
(1), according to presetting cement fineness situation, regulating grinding element, making cement fineness reach 80um≤3.0%, 45um≤15.0%;
(2) regularly tail over tracing analysis;
(3) utilize laser particle size analyzer analysis;
B, adjustment breeze mix proportioning and the order of grinding machine production:
(1) Wingdale and GBFS are pressed following parts by weight proportioning:
Wingdale: 7.9 parts;
GBFS: 10.8 parts;
(2), by proportioning, by Wingdale and GBFS by the order of mixing GBFS after first mixing Wingdale, mix grinding machine, produce P.O42.5 cement.
The target of technical solution of the present invention: 2# line 1# cement grinding mill produces P.O42.5 cement unit-hour output >=95t/h.
The output of the 2# line in June, 2012 P.042.5 cement reaches 95.9t/h; 2. represent according to pertinent data, cement mill specification is Φ 4.2m × 11m, and the cement grinding mill unit-hour output of colleague's same specification can reach more than 98t/h.
gameeing of technical solution of the present invention, see the following form:
the countermeasure of technical solution of the present invention is implemented:
One, solve grinding machine ball and join unreasonable problem
1, according to fineness adjustment grinding element proportioning
During in February ,-2013 in November, 2012,80um, 45um fineness of P.O42.5 cement and specific surface area data are arranged as following table:
Can find out from upper table, 45um fineness is bigger than normal, illustrates that the forging of bead in grinding machine, steel is on the low side, after grinding through stopping repeatedly, choose shuttles, check, adding the screenings such as ball, can adjust according to data after inspection fineness, by 80um, 45um fineness data preparation of cement as following table, reach controlled area charactert.
The ball auxiliary tone of grinding machine is whole as following table:
2, regularly tail over tracing analysis, two subsidiary factories sampling, Technical Research Center analytic sample also makes curve, production on give technical support, Fig. 1 be adjustment after inspection by sampling in December tail over tracing analysis figure.
3, utilize laser particle size analyzer analysis, join in order to instruct the ball of cement mill and change direction, laser particle size analysis curve is as Fig. 2.
Two, solve breeze mix grinding machine produce get a little unreasonable
Adding coal ash system before breeze is utilization is mixed before 2# line 1# cement grinding mill, breeze is poured into after flyash silo is brought down stocks, directly mix the first-born product of cement grinding mill (being referred to as " front mix " system), do not increase the equipment of any breeze system, from the production data in June, 2012-October, this flyash system can not adapt to the system condition after the production of breeze admixture completely, just causes cement grinding mill mill hourly output too low, and in cement grinding mill, steel ball paste ball is serious.
According to after mix technology, increase sub-fraction device at 2# line 1# cement grinding mill mill tail, can realize distinctive after mix technology, mix when breaking down simultaneously, mix before can adopting to maintain and produce.
the effect inspection of technical solution of the present invention:reach the object of expection in February, 2013 after activity in May ,-2013, details is as following table:
Can find out from upper table, in the past in October ,-2012 in June, 2012 in February, 2013-May, it is comparatively obvious that 2# line 1# cement grinding mill produces P.O42.5 cement unit-hour output, improves about 16.9t/h, and more than the 95.0t/h that makes it, and reaches activity object.
the benefit inspection of technical solution of the present invention:substantially Wingdale (7.9%), GBFS (10.8%) two kind of blended material co-production is utilized in May ,-2013 in February, 2013; the blended material mechanism in October ,-2012 in June, 2012 comparatively: Wingdale (6.9%), flyash (1.6%), granulated blast-furnace slag (1.1%) GBFS (7.6%) change, and cost reduces.
the consolidation effect of technical solution of the present invention:in June, 2013, in July, 2013 are consolidation, and consolidation P.O42.5 manufacture of cement data are as shown in the table:
As can be seen from the table, consolidation effect more obvious, reach and improve the object of unit-hour output.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. improve the method that cement grinding mill produces P.O42.5 cement unit-hour output, it is characterized in that, comprising:
A, adjustment grinding machine ball are joined;
B, adjustment breeze mix proportioning and the order of grinding machine production:
(1) Wingdale and GBFS are pressed following parts by weight proportioning:
Wingdale: 7.9 parts;
GBFS: 10.8 parts;
(2), by proportioning, by Wingdale and GBFS by the order of mixing GBFS after first mixing Wingdale, mix grinding machine, produce P.O42.5 cement.
2. raising cement grinding mill according to claim 1 produces the method for P.O42.5 cement unit-hour output, and it is characterized in that, described step a, specifically comprises:
(1), according to presetting cement fineness situation, regulating grinding element, making cement fineness reach 80um≤3.0%, 45um≤15.0%;
(2) regularly tail over tracing analysis;
(3) utilize laser particle size analyzer analysis.
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| CN201410689712.9A CN104446038A (en) | 2014-11-25 | 2014-11-25 | Method for improving machine hour production of cement grinding mill for producing P.O42.5 cement |
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| CN201410689712.9A CN104446038A (en) | 2014-11-25 | 2014-11-25 | Method for improving machine hour production of cement grinding mill for producing P.O42.5 cement |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030311A (en) * | 2012-11-30 | 2013-04-10 | 广西鱼峰水泥股份有限公司 | Heavily-doped blast furnace slag cement and preparation method thereof |
| JP2013103865A (en) * | 2011-11-16 | 2013-05-30 | Ube Industries Ltd | Method of manufacturing cement paste |
| CN103908994A (en) * | 2014-03-27 | 2014-07-09 | 沭阳县沂淮水泥有限公司 | Method for increasing yield of cement grinding system and reducing power consumption |
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2014
- 2014-11-25 CN CN201410689712.9A patent/CN104446038A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013103865A (en) * | 2011-11-16 | 2013-05-30 | Ube Industries Ltd | Method of manufacturing cement paste |
| CN103030311A (en) * | 2012-11-30 | 2013-04-10 | 广西鱼峰水泥股份有限公司 | Heavily-doped blast furnace slag cement and preparation method thereof |
| CN103908994A (en) * | 2014-03-27 | 2014-07-09 | 沭阳县沂淮水泥有限公司 | Method for increasing yield of cement grinding system and reducing power consumption |
Non-Patent Citations (3)
| Title |
|---|
| 武汉建筑材料工业学院等: "《水泥生产机械设备》", 30 September 1981 * |
| 韩仲琦: "《水泥和粉体—制备、改性与应用》", 31 May 2006 * |
| 高会中: "提高Φ3.2×13m水泥磨台时产量的措施", 《四川水泥》, no. 2, 28 February 2013 (2013-02-28), pages 96 - 98 * |
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Application publication date: 20150325 |