2results about How to "Realize the reinforcement effect" patented technology

The present application relates to solid waste recycling technical field, provide a kind of based on coal-based solid waste's anti-dispersion grouting material and its preparation method and application, the material is made of coal gangue, fly ash, silica ash, cellulose, water reducing agent and alkali activator, wherein, alkali activator is made of deionized water, sodium hydroxide and water glass.The based on coal-based solid waste's anti-dispersion grouting material is prepared according to following steps: after mixing coal gangue, fly ash, silica ash, cellulose and water reducing agent, stirring treatment is carried out, and powder precursor is prepared;Alkali activator is added to the prepared powder precursor, and alkali activator is made of deionized water, sodium hydroxide and water glass, continue to stir to prepare the based on coal-based solid waste's anti-dispersion grouting material.The present application can prepare the anti-dispersion grouting material of excellent fluidity, stability and mechanical property, provides innovative path for the resource of coal-based solid waste, significantly reduces material cost, improves environmental benefits and engineering application value.

The utility model relates to thread protection device technical field, and disclose a kind of outer turning covering type female thread protector, including outer turning covering protective sleeve and threaded pipe, the outer turning covering protective sleeve is installed to the outside of threaded pipe, the outer turning covering protective sleeve includes mounting block, inner clamping block, outer fixed block, thread segment and rotating block, the inner clamping block is fixedly connected to the inside of mounting block, the outer fixed block is fixedly connected to the outside of mounting block, the thread segment is fixedly connected to the top of mounting block, the rotating block is threadedly rotatably connected to the outside of thread segment.The outer turning covering type female thread protector, by inner clamping block, outer turning covering protective sleeve is clamped in the outside of threaded pipe, then let rotating block rotate outside thread segment, outer turning covering protective sleeve and threaded pipe are fixed, using outer fixed block can realize reinforcing effect, reduce the connecting pressure of threaded pipe, guarantee the service life of threaded pipe.