FIELD: process engineering.
SUBSTANCE: invention relates to construction materials, particularly, to production of binder on the basis of acid coal-tar ash and can be used in production of mortars and concretes. Proposed method comprises combined mechanical-chemical activation by grinding of acid ash-and-slag removal, lime and gypsum. Note here that said used ash-and-slag features calcination losses of 15.11%, activity of 0 MPa and grain size not over 1 mm. Said used green hydrated line features grain size of at least 500 mcm and dehydrate gypsum are taken at the following ratio, wt %: ash-and-slag - 54.8-78.4, lime - 18.9-41.1, dehydrate gypsum - 2-5.6.
EFFECT: higher strength.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCING BINDER FOR CONCRETE AND MORTAR MIXES | 2017 |
|
RU2664567C1 |
| METHOD OF GYPSUM ACTIVATION | 2017 |
|
RU2667756C1 |
| METHOD OF LIME ACTIVATION | 2017 |
|
RU2667746C1 |
| METHOD FOR PRODUCING BINDING AGENT | 1995 |
|
RU2101245C1 |
| ASH-CEMENT BINDER (ZOLCIT) BASED ON ACID ASHES OF THERMAL POWER PLANTS | 2010 |
|
RU2452703C2 |
| METHOD FOR PROCESSING ASH-SLAG WASTES FROM DUMPS OF SYSTEM OF HYDRAULIC ASH REMOVAL OF THERMAL POWER PLANTS IN ORDER TO OBTAIN STANDARD ASH PRODUCTS AND ASH PRODUCT | 2018 |
|
RU2700612C1 |
| METHOD FOR ENRICHING ASH AND SLAG MIXTURES OF THERMAL POWER PLANTS FOR PRODUCTION OF CONSTRUCTION BINDERS | 2023 |
|
RU2806396C1 |
| METHOD OF ACH PORTLAND CEMENT PRODUCTION FROM HIGH LIME ACH FROM COMBINED HEAT AND POWER PLANTS | 2007 |
|
RU2376253C2 |
| METHOD TO PREPARE ASH-CONCRETE MIX | 2013 |
|
RU2526072C1 |
| PRODUCTION OF NON-FIRED SOOT GRAVEL | 2014 |
|
RU2572429C1 |
