DE1782031A1 - Process for grinding mineral binders - Google Patents
Process for grinding mineral bindersInfo
- Publication number
- DE1782031A1 DE1782031A1 DE19681782031 DE1782031A DE1782031A1 DE 1782031 A1 DE1782031 A1 DE 1782031A1 DE 19681782031 DE19681782031 DE 19681782031 DE 1782031 A DE1782031 A DE 1782031A DE 1782031 A1 DE1782031 A1 DE 1782031A1
- Authority
- DE
- Germany
- Prior art keywords
- grinding
- water
- mineral binders
- ludwig
- soluble
- 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.)
- Pending
Links
- 239000011230 binding agent Substances 0.000 title claims description 6
- 238000000034 method Methods 0.000 title claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims description 4
- 239000011707 mineral Substances 0.000 title claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000012790 confirmation Methods 0.000 claims 1
- 239000002270 dispersing agent Substances 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- 239000002562 thickening agent Substances 0.000 claims 1
- 239000000080 wetting agent Substances 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Description
ilVerfahren zum Mahlen mineralischer Bindemittel" Bei der Herstellung von mineralischen Bindemitteln,insbesondere von hydraulischen Bindemitteln,wird der 'kebrannte Klinker fein vermahlen.Diese -Mahlung,die vorzugsweise in Kugelmühlen oder ähnlichen. Vorrichtungen vorgenommen wird,ist für die Qualität dieser Bindemittel ein, wichtiger Prozees.Je feiner die Vermahlung vorgenommen wird,umso höhere_Pestigkeiten resultieren daraus,Zur Steigerung der Mahlwirkung in Kugelmühlen hat man bisher sogernannte Gleitmittel,wie zB. Äthylenglykol,Träthanolamin oder ähnliche Substanzen verwendetptamit konnte bereits eine höhere Mahlfeinheit erreicht werden.ilMethod of grinding mineral binders "During manufacture of mineral binders, especially hydraulic binders the 'burnt clinker finely ground. This -grinding, preferably in ball mills or similar. Any fixtures made is essential to the quality of these binders an important process: the finer the grinding, the higher the pests result from it, to increase the grinding effect in ball mills one has hitherto so-called lubricants, such as. Ethylene glycol, trethanolamine or similar substances This means that a higher grinding fineness has already been achieved.
Es wurde nun überraschenderweise gefundengdass durch Verwendung von Lösungen in Wasser löslicher Karbonate auf einfache und kostensparende Weise Steigerungen der Mahlfeinheit zu erreichen sindaSo ergibt z.B® der Zusatz einer 3ligen Lösung von Kaliumkarbonat mit einer Dosierung von o,o2 % (bezogen. auf das Zementgewicht)eine Steigerung der Blainewerte von 21do auf 28oo bezw. von 41oo auf 468o. Derartige Steigerungen waren bisher,bei einem solchen geringen Kostenaufwand,bei keinem anderen Verfahren möglich.It has now surprisingly been found that by using Solutions of water-soluble carbonates in a simple and cost-saving way increases the grinding fineness can be achieved, e.g. the addition of a triple solution results of potassium carbonate with a dosage of 0.02% (based on the cement weight) Increase of the Blaine values from 21do to 28oo resp. from 41oo to 468o. Such Up until now there have been no increases at such low cost with any other Procedure possible.
Diese Wirkung dr erfindungsgemässen Substanzen kann man so erklären, dass durch Reaktion der löslichen Karbonate mit dem freien. Kalk mikrokristallines Kalziumkarbonat entsteht,das sich auf der Oberfläche der zur -der zur Mahlung verwendeten Kugeln in einer praktisch monomolekularen Schicht niedersahlägt.Diese so gebildete Schicht bewirkt eine erhebliche Vergrösserung der aktiven Mahlfläche,sodass bei gleicher Mengenleistung eig wesentlich feineres Pulver resultiert oder auch bei gleicher Feinheit eine wesentlich grössere Durchsatzleistung erzielt wird.Diese erfindungsgemässen Zusätze zeigen auch noch bei Überdosierung ihre mahlleistungssteigernde Wirkung, während, die bisher verwendeten Zusatzmittel bei Überdosierung eine ungewollte "Übergleitwirkung" verursachen die ein sogenanntes "Durchgehen"-der Mühlen verursachen.This effect of the substances according to the invention can be explained as that by reaction of the soluble carbonates with the free. Lime microcrystalline Calcium carbonate is produced, which is deposited on the surface of the to-der to the Grinding used balls in a practically monomolecular layer sawn down. This The layer formed in this way causes a considerable increase in the active grinding surface, so that with the same output, a significantly finer powder results or else With the same fineness, a significantly higher throughput is achieved Additives according to the invention show their grinding performance increasing even when overdosed Effect, while, the previously used additives in overdosing an unwanted "Slippage" causes what is known as "runaway" of the mills.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681782031 DE1782031A1 (en) | 1968-07-10 | 1968-07-10 | Process for grinding mineral binders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681782031 DE1782031A1 (en) | 1968-07-10 | 1968-07-10 | Process for grinding mineral binders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1782031A1 true DE1782031A1 (en) | 1971-09-02 |
Family
ID=5704835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681782031 Pending DE1782031A1 (en) | 1968-07-10 | 1968-07-10 | Process for grinding mineral binders |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1782031A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006294A1 (en) * | 1978-05-30 | 1980-01-09 | Imperial Chemical Industries Plc | Comminution process and products thus obtained |
| US4265406A (en) * | 1979-03-30 | 1981-05-05 | Imperial Chemical Industries Limited | Comminution process |
-
1968
- 1968-07-10 DE DE19681782031 patent/DE1782031A1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006294A1 (en) * | 1978-05-30 | 1980-01-09 | Imperial Chemical Industries Plc | Comminution process and products thus obtained |
| US4265406A (en) * | 1979-03-30 | 1981-05-05 | Imperial Chemical Industries Limited | Comminution process |
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