2results about How to "High curing strength" patented technology

The application discloses a kind of sludge solidifying agent using carbon fixation desulfurization ash, by cement clinker 12~15%, mineral powder 50~55%, steel slag powder 15~20%, carbon fixation desulfurization ash 10~15%, solid additive 1~2%, liquid additive 1~2% composition by mass percentage.The application uses desulfurization ash to fix CO2 in industrial tail gas to improve the activity of desulfurization ash, then carbon fixation desulfurization ash is compounded with cement clinker, mineral powder, steel slag powder, solid additive, liquid additive to obtain sludge solidifying agent.The application does not need to use various chemical means of flotation agent to enrich the carbon fixation component in desulfurization ash, and the cementation activity of desulfurization ash after carbon fixation is greatly improved, can better play sulfate activation effect, and with additive play superposition coupling effect, and with cement clinker, a kind of cementing material system, can jointly prepare sludge solidifying agent, to waste treat waste at the same time, improve the solidification strength of the sludge solidifying agent to sludge and the solidification effect of heavy metals in sludge.

The chemical plugging device comprises a visual detection module, a sealing connection module, a flushing module and a plugging module, and through modular design and flexible material innovation, accurate detection, efficient flushing and targeted plugging of a wing valve are achieved; according to the method, the pertinence and reliability of the plugging operation are remarkably improved through the closed-loop process of pressure release, visual detection, gas-liquid collaborative flushing, squeezing and plugging, and sealing checking after coagulation in combination with gas channeling speed dynamic regulation and control and a multi-slug collaborative injection strategy. The method is suitable for a pressurized gas well in which normal-temperature and normal-pressure well cementation cement does not return to a wellhead and an annulus has a treatment space, a formation fluid upward-flowing channel can be effectively plugged, the annulus plugging operation efficiency and success rate are improved, and safe production of the gas well is guaranteed.