The quality that the Shi Fenhan in product line of artificial sand stone measures is controlled
Content of pink of artificial sand stone points to to the content of the grain of 0.16mm is less than in artificial sand, the grain that 0.08mm is less than in pink of artificial sand stone can regard a kind of inert sophisticate as makings look upon, proper stone pink content can improve the workability of concrete, raise concrete close-grained , advantageous to improving concrete performance. In home, concrete of great majority hydroelectric station asks with arenaceous technology parameter in, stone pink content asks to be in 6-18% , press concrete to measure requirement 12-22% with arenaceous Shi Fenhan to grinding. Stone system grinds domestic large artificial sand mostly press arenaceous Shi Fenhan to measure inadequacy, also the project measures phenomenon exceeding bid to happen with arenaceous Shi Fenhan.
Requirement of standard of general more high-energy and contented quality also has the stone pink content in the artificial sand in arenaceous craft of dry legal system the circumstance that discovers content of existence stone pink is more than a standard, should consider a share at this moment wet production, pink of stone of scour off part or choose fan cleaner equipment pink of epispastic part stone, in order to satisfy standard requirement. At present a kind of 3 depart choose powdery machine to use Yu Jinbing successfully project of one class hydroelectric station, test result obtained favorable result.
The Shi Fenhan in the artificial sand in arenaceous craft of wet legal system measures general and inferior most project to all ask to reclaim partial stone pink needs with satisfying a project. The stone pink in artificial sand of project of water and electricity reclaims to basically machinery reclaims means and return debit form artificially two kinds. In scale of production of stone of large artificial sand, or the project with narrow field, need to design stone pink to reclaim on craft workshop (or say fine arenaceous reclaim workshop) . Be about to screening workshop and the stone pink that in making water of overflow of grader of arenaceous workshop helix, take away shed a pool through collect, farewell closes use. Choose international to go up to come back advancedly at present stream vacuum dewatering equipment is more. In scale of production of stone of small-sized artificial sand, or the project with capacious field, also collect labour of choose and employ persons to return debit form, will control the stone pink content in artificial sand. Namely arenaceous to be being washed in manufacturing process machine discharges overflow water to undertake depositing dehydration naturally, what deposit dehydration hind naturally is fine arenaceous can cooperate straight discharge with fork-lift truck motor transportation undertakes additive. To control stone pink content effectively, often take the following step:
(1) passes ceaseless test, the accretion that controls stone pink effectively is measured.
(2) adds a bottle of powdery wall in Shi Fentian with pulsator, fight next installation grader of a helix, through helix grader even ground is added to machine of adhesive plaster of finished product arenaceous stored in a barn, make stone pink gets mixture equably.
(3) liquid waste handles a workshop to stand by machine of finished product arenaceous adhesive plaster as far as possible, can use adhesive plaster machine successful have a change of luck, classics filter press does the Shi Fengan cake after changing to process inattentive and pulverous account via Shuang Gun crusher, prevent Shi Fencheng group.
(4) should consider field of store up of pink of a stone in construction general arrangement, store up field can adjust already add a capacity, can reduce moisture content through natural dehydrate again, adjust on certain level the moisture content with arenaceous finished product.
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