8results about How to "Relieve clogging" patented technology

The invention relates to a permeable aerobic biological reaction wall based on piezoelectric effect enhancement, which is characterized in that a piezoelectric material is used as a filler to be filled into a permeable biological reaction wall body, and pulse hydraulic pressure generated by flow field potential energy formed by underground water extraction is utilized to enable the surface of the piezoelectric material to deform to generate charges to form a local potential field to stimulate microbial activity; therefore, the microbial colonization and pollutant degradation capabilities are improved. Meanwhile, a partition plate of a hollow fiber membrane assembly is arranged in the permeable biological reaction wall, the in-situ aerobic metabolism efficiency of microorganisms is improved through ultra-micro bubble aeration, and the situation that volatile and semi-volatile organic pollutants in underground water are released and dissipated to influence the surrounding environment is avoided. According to the method, long-term efficient green low-carbon sustainable biological process control of the underground water composite organic pollutants is realized, the remediation efficiency of the underground water composite organic pollutants is remarkably improved, secondary pollution and remediation trailing rebound phenomena are avoided, and long-term underground water pollution risk management and control are realized.

The invention discloses application of an anaerobic baffle plate-microbial electrolysis-constructed wetland coupling process in the aspect of rural domestic sewage treatment. The principle is based on a novel volatile fatty acid (VFAs) comprehensive utilization technology. The anaerobic baffle plate-microbial electrolysis-constructed wetland coupling process is mainly composed of a four-compartment anaerobic baffle plate reactor and a multi-section multi-stage microbial electrolysis and horizontal subsurface flow type constructed wetland coupling reactor, and the specific working process is as follows: (1) rural domestic sewage is used as inlet water, firstly enters the anaerobic baffle plate reactor and then enters the horizontal subsurface flow type constructed wetland coupling reactor; carrying out anaerobic hydrolysis to produce VFAs and gas production reaction; (2) starting a microbial electrolysis-constructed wetland coupling reactor; and (3) respectively introducing effluent and produced gas of the anaerobic baffled reactor into a microbial electrolysis-constructed wetland coupling reactor, integrally regulating and controlling the structure and activity of a microbial community, efficiently degrading VFAs into CO2 and CH4, and simultaneously removing nitrogen and phosphorus pollutants, thereby realizing the recycling of sewage treatment.

The present application relates to the technical field of sludge treatment, in particular to a sludge suction dredging device for landscaping and a using method thereof. The device comprises a suction machine and a chassis connected with the liquid inlet end of the suction machine, the inside of the chassis is provided with a suction port assembly for regulating the size of the liquid inlet, the suction port assembly at least comprises two symmetrical elastic rods fixedly connected with the inner wall of the chassis, and the opposite ends of the two elastic rods are rotatably connected with a disturbance plate, the two symmetrical disturbance plates are rotatably arranged in the inside of the chassis, the compression and rebound force generated in the inside of the elastic rod resists the "eight" shape formed by the rotation of the surface of the two symmetrical disturbance plates, so that the flow rate of the sludge is accelerated when the sludge passes through the liquid inlet, and the impact force generated when the sludge enters the liquid inlet opened in the side wall of the chassis is buffered, the rotation shaft of the disturbance plate is connected with an auxiliary disturbance assembly, the elastic rod slides in the inside of the chassis, pushes the disturbance plate to rotate in the inside of the chassis, and regulates the size of the liquid inlet of the chassis.

The utility model relates to a rock ballast separating device used in a bin of a tube push bench, which comprises a separating cylinder, a filter separating net arranged in the middle of the inner wall of the separating cylinder, a slurry inlet pipe joint arranged at the upper end of the side wall of the separating cylinder, and a slurry outlet pipe joint arranged at the lower end of the side wall of the separating cylinder, an interception lifting mesh bag is arranged above the filtering separation net in the separation barrel, hanging rings are arranged on the two sides of the interception lifting mesh bag, hooks are arranged on the inner walls of the two sides of the separation barrel, the height of the hook located on one side of the pulp inlet pipe connector is lower than that of the pulp inlet pipe connector, and the hanging rings are hung on the corresponding hooks. According to the utility model, stones can be screened out, and then slurry without stones is discharged into a slurry pipeline, so that the pipeline blockage phenomenon can be relieved to a great extent, extra time for dredging the pipeline is not needed, the purpose of reducing the cost is effectively achieved, and meanwhile, the intercepted stones can be cleared more conveniently and quickly.

The present application relates to a method for preventing sticky sludge from expanding and blocking a denitrification system, characterized in that a plate-and-frame tank is arranged between a secondary sedimentation tank and a filter tank to intercept sticky sludge in an expanded state; the plate-and-frame filler adhering to the sticky expanded sludge is collected for air flushing and chemical micro-stimulation, growth factors generated by promoting the expansion of the sticky sludge are returned to a biochemical tank, the hydraulic retention time of the biochemical tank is shortened, the expansion of the sticky sludge is promoted, and then physical separation of the sticky sludge is performed, so that the treatment cycle of the sticky sludge expansion is reduced, and a simple, energy-saving, economical and easy-to-control water treatment process is provided for relieving the sticky sludge expansion.

The present invention belongs to the technical field of geotechnical engineering sludge solidification, and in particular, relates to a vacuum electrochemical dredged sludge rapid solidification system and method, wherein the system comprises an electroosmosis component, which is inserted in a reinforced sludge area and used to drive the water in the reinforced sludge area to flow from the anode to the cathode; an electrode conversion part, which is electrically connected to the electroosmosis component and used to switch the flow direction of the water in the electroosmosis component; a power supply part, which is electrically connected to the electrode conversion part; a vacuum membrane, which covers the surface of the reinforced sludge area; a drainage component, which is connected to the electroosmosis component and used to discharge the water flowing into the electroosmosis component; a grouting self-heating part, which is inserted in the reinforced sludge area and located in the action area of ​​the electroosmosis component, and is used to react chemically with water to improve the strength of the soil; and a pressure and temperature detection part, which is arranged in the reinforced sludge area. The device can change the direction of water flow and improve the uniformity of drying in the soil by setting the electrode conversion part, and improve the solidification strength of the soil by setting the grouting self-heating part.

The utility model discloses a kind of waste chip cleaning devices for numerical control turning and milling composite machine tool, including bearing auxiliary assembly and recycling processing mechanism, the middle part inside of bearing auxiliary assembly is provided with the main cleaning component of bolt assembly, the inside of one end of bearing auxiliary assembly is provided with the recycling processing mechanism of bolt sleeve joint, the recycling processing mechanism includes bolt base, empty slot shell, end-to-end frame, isolation plate, non-woven fabric cover, evacuation fan, rotary motor, rotary stick, flexible hammer and cleaning box;The waste chip cleaning device for numerical control turning and milling composite machine tool utilizes rotary motor in the both end side of empty slot shell, so that, rotary motor carries out output power according to the need in time, let rotary stick and flexible hammer carry out rotation and then beat non-woven fabric cover, so that the waste attached on non-woven fabric cover falls into cleaning box due to the power of impact, to be able to timely alleviate jamming phenomenon, keep efficient recycling cleaning effect.

The invention discloses a two-dimensional permeation tank blind pass filter material filling drainage test device and method. The device comprises a permeation mechanism, a water supply mechanism connected with the permeation mechanism and providing a water source for the permeation mechanism, and an overflow mechanism connected with the permeation mechanism; the permeation mechanism comprises a supporting frame, a permeation box arranged on the supporting frame, a water permeable partition plate arranged on the upper portion of the interior of the permeation box, a blind pass arranged in the permeation box, and a water injection opening, a blind pass water outlet, a salinity detection hole, an overflow opening and a pressure measuring hole which are formed in the permeation box, and the blind pass is filled with a sand gravel filter material; the pressure measuring hole is connected with the pressure measuring assembly through a pipeline. According to the device, an indoor mechanical clogging backwashing experiment is carried out by adopting a hydraulic infiltration box, multi-dimensional control and monitoring of the infiltration process are realized, and the water flow change, the clogging condition and the stability of a blind pass structure in the drainage process are observed and analyzed by simulating actual soil conditions and combining filter material filling and blind pass systems; therefore, the recovery condition of the clogging condition is judged conveniently and reliably.