5results about How to "Increase solid content" patented technology

The utility model relates to a horizontal screw centrifuge technical field discloses a kind of powder spraying type drying horizontal screw centrifuges, to solve the defect of overcoming the high moisture content of solid phase material of existing horizontal screw centrifuge easy to stick. The utility model is under the centrifugal field by superstrong instantaneous mixing and penetration: in the centrifugal field of up to hundreds even thousands of times gravity acceleration, dry powder particles spouted from powder spout can be "pressed into" the filter cake being extruded by screw conveyor dehydration with very high relative speed, this forced mixing under high G force, far more than ordinary mixer can compare, it can make dry powder instantaneously, uniformly penetrate into the micro-pore structure of filter cake, realize molecular level contact, greatly improve the reaction efficiency and hygroscopic efficiency of drying agent (such as quicklime, fly ash etc.), make the filter cake discharged solid rate significantly improve, and texture loose, uniform.

The present application relates to the application field of water purification plant production wastewater treatment, in particular to a high-iron-manganese backwashing wastewater treatment method. The high-iron-manganese backwashing wastewater treatment method provided by the present application integrates coagulation, reaction, sedimentation and concentration, and magnetic powder is added in the coagulation sedimentation tank. The magnetic powder serves as a crystal nucleus, more easily forms alum flowers, greatly improves the specific gravity of the alum flowers, speeds up the sedimentation speed, and can improve the sedimentation efficiency of the high-iron-manganese backwashing wastewater. In combination with the addition of coagulants and coagulant aids, the treatment efficiency of the high-iron-manganese backwashing wastewater is further improved, the content of iron, manganese and SS in the effluent is reduced, and the solid content of the sludge is improved. The high-iron-manganese backwashing wastewater treatment method provided by the present application has the characteristics of small land occupation, high surface load, short hydraulic retention time and good treatment effect, improves the effluent water quality, the formed sedimentation sludge has a lower water content, the sludge discharge is more conducive to dewatering, and the subsequent sludge treatment pressure is reduced.

Disclosed is a circulating kneading pulping system, including a pulping machine and a kneading tank; the pulping machine is provided with a powder feed port, a pulping chamber connected to the powder feeding port, and a slurry outlet communicated with the pulping chamber, and the screw rod of the pulping machine is provided in the pulping chamber; the slurry outlet of the pulping machine is connected with the kneading inlet of the kneading tank through a first pipeline, and the kneading tank is equipped with a liquid solvent inlet, and the kneading outlet of the kneading tank is connected with the circulation pulping inlet of the pulping machine through a second pipeline. Through the external circulation between the pulping machine and the kneading tank, the powder material and the liquid solvent can be fully kneaded to increase the solid content of the slurry. Moreover, the screw of the pulping machine is used as a power source to stir and propel the slurry, so that it can also be used as a power source for external circulation kneading of the slurry, achieving dual purposes.

This invention discloses a gridded precision dredging and mud collection component, relating to the field of underwater dredging technology. It includes a mud collection hood with an expandable inner cavity depth, a mud pump installed inside the hood, and stirring heads symmetrically arranged relative to the mud pump. At least one one-way outlet valve is provided on the top and side walls of the mud collection hood. A mesh grid is fixedly installed at the bottom opening of the mud collection hood. The mud collection hood can be expanded in two ways: telescopic expansion and tilting expansion. By setting up the mud collection hood, the sludge is agitated and sucked in the sealed cavity, increasing the solids content, thus eliminating the need for a sedimentation tank. This allows for direct chemical conditioning and pressure filtration, avoiding the difficulties and high costs associated with sedimentation tank site selection and construction. Expanding the mud collection hood allows the entire mud collection component to adapt to different dredging depths, reducing costs. For the depth expansion of the mud collection hood, the stirring heads are driven to move up and down while rotating and agitating throughout the entire sludge depth layer, fully agitating the sludge.

The utility model discloses a kind of biogas residue field application systems, it is related to livestock breeding technical field, above-mentioned for biogas residue field application system is used to extract biogas slurry in biogas tank and field application, including at least two groups of pump body, mixing tank, delivery pump and spray gun, at least two groups of pump body are installed in different preset depth in biogas tank, and are used to extract different solid content rate's biogas slurry, reduce the content of biogas slurry in different positions in biogas tank, realize cleaning a large amount of biogas residue, increase the effective pool volume of pool, increase the caching time of biogas residue, again through delivery pump and spray gun cooperation, realize the biogas slurry extracted is sprayed to farmland, reasonably applied to land, conducive to the crop's reduction of fertilizer and income increase, realize the utilization of resource.