8 results about "Sewage farm" patented technology

The utility model relates to sewage treatment equipment technical field, concretely disclose a kind of self-cleaning sewage treatment equipment, including bottom plate, the upper end surface of the bottom plate is fixedly connected with filter box, the inside of the filter box is movably provided with filter plate, the upper end surface of the bottom plate is provided with cleaning mechanism;The cleaning mechanism includes two support plates fixedly connected to the upper end surface of bottom plate, two The inside of the support plate is rotatably connected with two shafts, the opposite side of four The shaft is fixedly connected with sprocket, the outer wall of two sprocket located in the same side is all engaged with chain, and the automatic lifting and overturning of filter plate are realized by the cooperation of chain transmission mechanism and servo motor, reverse flushing is carried out to filter plate in combination with high-pressure spray system, and impurity removal efficiency is significantly improved;Meanwhile, the scraper synchronously scrapes the adherend on the inner wall of filter box when filter plate moves, realizes overall cleaning.The design greatly reduces the demand of manual intervention, reduces labor intensity, especially suitable for continuous sewage treatment scene.

This utility model relates to the field of integrated pump station technology, and in particular to an integrated pump station debris interception and silt prevention device. It includes a cylindrical body, which is fixedly installed on the top surface of a concrete foundation. An inlet V-shaped wall is fixedly connected to the outer wall of the cylindrical body. A debris trap is provided inside the inlet V-shaped wall, and the debris trap is connected to one end of an inlet pipe. The outer wall of the inlet pipe is fixedly connected to the inner wall of the cylindrical body. A debris trap is placed on the lower surface of the cylindrical body. A submersible sewage pump is fixedly installed on the side wall of the cylindrical body via a pump body bracket. The submersible sewage pump is connected to the cylindrical body and a pressure pipeline via a coupling base. This device, by adding a debris trap at the inlet, filters out garbage and silt in the water, preventing pump blockage and equipment damage, reducing maintenance costs, and further improving the service life of the equipment and the pump's lifting efficiency. It is suitable for various sewage treatment scenarios, is easy to maintain, and has a long service life.

The application provides a red soil-based copolymer coagulant, a preparation method thereof and a wastewater treatment method. The method uses red soil as a raw material, and the red soil is subjected to alkali fusion activation, acid leaching extraction and induced copolymer aging treatment to prepare a red soil copolymer coagulant containing silicon, aluminum and iron and having a synergistic effect of multiple components. The coagulant has a high charge density and a three-dimensional network structure, and when treating combined overflow sewage, the coagulant realizes efficient removal of pollutants through rapid mixing, slow loading flocculation and rapid sedimentation. Compared with traditional coagulants, the preparation method of the application is simple, the cost is low, the coagulation and sedimentation speed is fast, the treatment efficiency is high, and the application is suitable for the treatment of combined overflow sewage with high flow and short residence time.

This invention provides a sand coagulation sedimentation device and method, relating to the field of wastewater treatment technology. It includes a tank containing a gradient mixing reaction unit and a sedimentation unit, with an integrated sand-sludge separation and circulation unit. The reaction unit employs multi-stage series mixing chambers and graded stirring to achieve gradient loading flocculation of the sand medium. The core feature is that the sand-sludge separation and circulation unit uses a set of linked drive components to synchronously drive a sludge pushing and scraping component, a grading and screening component, and a vibration-promoting sedimentation component, achieving sand-sludge separation, sludge pushing, and anti-clogging and sedimentation promotion in the sedimentation zone with a single power source. The sedimentation method includes gradient mixing reaction, sedimentation separation, linked sand-sludge separation and sedimentation promotion, and closed-loop reuse of the sand medium. This invention features highly integrated device, low energy consumption, advanced process technology, high sand medium recovery rate, excellent flocculation and sedimentation effect, stable and reliable operation, and is suitable for various high-requirement wastewater treatment scenarios.

The application discloses a device and method for removing yellow grease and pretreating coal-to-olefin waste alkali liquor, wherein the treatment device comprises a yellow grease remover, a yellow grease tank, a buffer tank, a sulfuric acid filling bag, a catalyst filling bag, an ozone oxidation reactor A, an ozone oxidation reactor B, an ozone generator and a catalyst recovery device. The treatment device and method can automatically remove yellow grease by water power and automatically discharge yellow grease by instruments, and are more flexible in operation. In addition, a pipeline for returning waste alkali at the bottom of the yellow grease tank to the yellow grease remover is additionally arranged, ozone catalytic oxidation is carried out on the waste alkali liquid after yellow grease removal, most of the organic matters are removed, the catalyst is recycled, the effluent water meets the receiving requirements of a sewage treatment plant, and the treatment load of the sewage treatment plant is reduced.

This invention relates to the field of wastewater treatment technology and discloses a two-stage sedimentation tank with a lateral sludge discharge system and a wastewater treatment method. The two-stage sedimentation tank includes a tank body, a lateral sludge discharge matrix system, a non-powered scum self-separation device, and an integrated maintenance system. The lateral sludge discharge matrix system achieves precise sludge collection through a matrix of pipes and laterally inclined anti-clogging sludge discharge ports. The non-powered scum self-separation device utilizes water film tension to automatically separate scum. The integrated maintenance system achieves self-cleaning of the pipes through wire-controlled barrier blades. This invention solves the problems of existing two-stage sedimentation tanks, such as numerous dead zones in sludge discharge, high energy consumption in scum separation, easy pipe blockage, and inconvenient maintenance. It eliminates the need for additional power to drive scum separation, significantly improves sludge discharge efficiency and reliability, facilitates maintenance, and is suitable for various wastewater treatment scenarios.

The utility model discloses a kind of mountainous rural sewage treatment integrated devices, including filter assembly, the filter assembly includes filter box, flow guide pipe, storage box, filter plate, linear module, mounting seat, shower head, collection filter cartridge, limit ring and backflow pipe;The filter box is communicated with the top of storage box by flow guide pipe, and is communicated with the bottom of storage box by backflow pipe, the filter plate is obliquely installed in the inside of filter box, and the linear module is obliquely installed in the inner back wall of filter box.The utility model is matched by linear module, mounting seat, shower head, water pump and other structures, realizes the automatic cleaning of filter plate, and then saves the tedious operation of manual disassembly, handling filter plate and completing flushing reset, operator only needs to pour the particulate in collection filter cartridge periodically, it is easy to operate, labor intensity is low, cleaning efficiency is high, meets the actual demand of mountainous rural sewage treatment scene to equipment automation, low maintenance, high efficient operation.

This invention discloses an embedded side-flow wastewater treatment device for enhanced in-situ sludge hydrolysis, comprising an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, and a dynamic hydrolysis tank connected sequentially from front to back. Each of the anaerobic, anoxic, and aerobic tanks is equipped with a first stirring device. A gas vent pipe is located at the top of the anaerobic tank, and a water inlet pipe is located at the front end of the anaerobic tank. A sludge discharge pipe is located at the bottom of the sedimentation tank, and a sludge return pump is installed on the sludge discharge pipe. This invention embeds the dynamic hydrolysis tank within a traditional AAO process system, achieving integrated in-situ sludge hydrolysis for carbon source production, water quantity and quality regulation, and mainstream biological nitrogen and phosphorus removal. Furthermore, this invention can flexibly adapt to the characteristics of wastewater with large fluctuations in water quantity and quality and generally low carbon-to-nitrogen ratios, and can be widely applied in decentralized wastewater treatment scenarios such as villages, scenic areas, and industrial parks.