39results about How to "Stop clogging" patented technology

The invention provides a negative pressure drainage device, aiming at solving the problem that a traditional drainage device is easily blocked when in use and pus is easily deposited in a pressure cavity. The device comprises a vacuum pump, wherein the vacuum pump is connected with a cylinder body through a pressure pipe; the cylinder body has a split structure, and is connected with a drainage pipe; the drainage pipe is connected with a wound seal part for forming a sealed negative pressure environment at a wound, and a plurality of wound seal parts can be combined for use; and an anti-blocking device is arranged between the wound seal part and the drainage pipe; two opposite wheel bodies are arranged in the anti-blocking device, are provided with blades, and rotate oppositely under the action of a flexible shaft for stirring and crushing a passing-through fluid, so that mass tissues or caking can be crushed. The negative pressure drainage device is mainly used for draining a fluid in a wound, so that the pressure pipe is prevented from being blocked, and a fluid is prevented from entering the pressure pipe.

A method for conducting grouting construction at the back of the pile bottom of a cast-in-place pile sequentially includes the following steps: (1) manufacturing and arranging a grouting pipe which comprises a plurality of grouting steel pipe sections sequentially connected from top to bottom with the lower end of the lowest grouting steel pipe section connected with a grouting spraying nozzle; (2) assembling a grouting station and a slurry transportation pipeline; (3) grouting. The method is characterized in that the grouting spraying nozzle used in the step (1) comprises a slurry spraying pipe body, a slurry inlet is formed in the upper end of the slurry spraying pipe body, a plurality of slurry discharging holes are formed in the lateral wall of the slurry spraying pipe body, a grouting one-way valve is installed on the slurry discharging holes, a sand wrapping device is arranged on the outside of the slurry spraying pipe body, a sand isolation layer is arranged between the sand wrapping device and the outer side of the slurry spraying pipe body, and the sand isolation layer covers the grouting one-way valve. When the grouting spraying nozzle reaches the bottom of a pile hole, and the portion of the upper end of the grouting pipe higher than the ground reaches preset height, the upper end of the grouting pipe is fixedly connected with a protection barrel at the top of the pile hole. By means of the method, smooth grouting can be achieved, grouting quality is ensured, and success ratio is ensured.

The invention relates to a novel direct slag-feeding washing mixed material application method in a converter tapping process. A mixed material comprises the following components in parts by weight: 5-40 parts of aluminium powder, 35-60 parts of alumina, 30-50 parts of calcined lime, 1-6 parts of magnesium oxide, 0-6 parts of fluorite and 5-6 parts of silicon dioxide powder. The application method is used in a tapping process according to the following steps: firstly, adding 30% of the novel direct slag-feeding washing mixed material into the bottom of a steel ladle; adding the rest 70% of the material and the calcined lime along with molten steel flow when 1/4 tapping is completed; and moreover, feeding the mixed material into an argon blowing station, blowing argon to stir for 10-15 minutes, and then directly and continuously casting blanks so as to form finished products. The slag washing mixed material has high desulfurization degree in the converter tapping process, the refining time can be effectively shortened, and the cost of each ton of steel can be greatly lowered.

The present invention is a new type of desulfurization tower, which includes a tower body, the bottom and top of the tower body are respectively provided with a flue gas inlet and a clean gas outlet, the inside of the tower body is provided with a gas distributor, and the gas distributor is sequentially above the gas distributor. There are four layers of parallel spraying main pipelines, and the spraying main pipelines are provided with spraying pipelines, and the spraying pipelines are connected with nozzles, and a supporting frame is arranged above the uppermost spraying main pipelines, and the supporting frame There are a plurality of rotating impeller groups on the top, and a regular flow demister is arranged above the support frame, and the regular flow demister includes a central fixing device and a surrounding ring-shaped demist chamber, and the ring-shaped demister Filling balls are installed inside the bin, and a tuned mass damper is provided on the tower body at the outlet of the clean gas. The invention not only improves the mist removal efficiency, eliminates fouling and blockage of the mist eliminator, but also avoids wind-induced vibration accidents in towering desulfurization towers, ensuring safe and smooth production.

The invention discloses a device for avoiding buried pipeline sedimentation in a room subsoil backfill region and a construction method. The device comprises a pipe hanger. The upper end of the pipe hanger is connected with anchoring components in a concrete ground beam or a reinforced concrete floor. The center of the bottom of the pipe hanger is connected with a U-shaped clamp. The construction method includes the steps of arranging the pipe hanger in a pipeline trench, arranging a pipeline at the bottom of the pipe hanger and fixing the pipeline through the U-shaped clamp, performing a hydraulic test or a closed water test, performing trench backfill, performing floor construction and the like. The device and the construction method have the beneficial effects that defects existing in the prior art are overcome, the stress carrier of the pipeline is changed fundamentally, the problems of pipeline blocking and breakage and the like caused by foundation settlement are eliminated completely, and the safety and normal use of the pipeline are guaranteed, so that construction quality is guaranteed, the economic loss is reduced, and good practicability is achieved.

The invention discloses a rubbish can. The rubbish can is characterized by comprising a box body, a sewage conveying assembly, bottom sewage collecting assemblies, side sewage collecting assemblies and a sewage storage device. A front side board of the box body is provided with a front sewage hole, a rear side board is provided with a rear sewage hole, and a box bottom board is provided with a bottom board sewage port. The sewage conveying assembly is arranged on the lower side of the box bottom board. The bottom sewage collecting assemblies are arranged between the bottom board sewage port and the sewage conveying assembly respectively and used for guiding sewage in the box body into the sewage conveying assembly. The side sewage collecting assemblies are arranged on the outer side of the front side board and the outer side of the rear side board respectively and are communicated with a pipeline of the sewage conveying assembly in a sealed mode. The side sewage collecting assemblies are used for guiding the sewage, in the box body, flowing out of the front sewage hole in the front side board and the rear sewage hole in the rear side board into the sewage conveying assembly. The sewage storage device comprises a sewage collecting groove communicated with the sewage conveying assembly in a sealed mode.

The invention relates to a method for preparing electrolysis water by electrolyzing dual-quality water and belongs to the technical field of water treatment. The method is characterized in that: pure water output by a pure water machine is input to a water inlet on one side of the cathode of an electrolytic bath; concentrated water output by the pure water machine is input to a water inlet on one side of the anode of the electrolytic bath; and the two kinds of water entering the electrolytic bath is electrolyzed by the electrolytic bath with a diaphragm, alkalic water is output from the water outlet on one side of the cathode of the electrolytic bath, and acidulous water is output from the water outlet on one side of the anode of the electrolytic bath. The method has the advantages of: obtaining alkalescent pure water which contains mineral substance and has sweet mouthfeel, improving the health performance of the pure water and relatively reducing waste water discharging at the same time. The method contributes to the use of electrolysis water machines under the condition of high hardness water quality and contributes to popularization of electrolyzed-functional water.

The invention relates to an intelligent management system for integrated distribution and control of fire fighting. In a user-defined site, a DIY distribution and control remote thread and fire monitoring subsystem can be easily connected with a property management center, a miniature fire station terminal and a business mobile terminal through wireless signal transmission. The inconvenience brought to public places by large-scale wiring construction is avoided. A series of problems such as destroying decoration, affecting normal business and high cost caused by the installation of an ordinaryautomatic fire alarm system are solved. Through intelligent management, the site and a fire fighting management terminal are connected in real time. The reception and response efficiency of a micro fire station to the fire situation in the jurisdiction area is improved.

The invention discloses an extrusion grinding type kitchen waste pulping machine and a pulping method thereof, and belongs to the technical field of waste treatment. The extrusion grinding type kitchen waste pulping machine comprises a stirring pulverizer, a pulping device and a power system of the pulping device, wherein the stirring pulverizer comprises a stirring and pulverizing barrel, a stirring barrel seat, a stirring motor box, a holding plate, a paste discharge pipe and a paste discharge solenoid valve; the pulping device comprises a pulp storage disk, an upper grinding disk, a lower grinding disk, a pulp discharge pipe and a pulp discharge solenoid valve; and the power system comprises a reduction gearbox mounting base, a reduction gearbox and a pulping motor. The extrusion grinding type kitchen waste pulping machine has the beneficial effects that waste particles are small after waste is extruded and pulverized, and the kitchen waste pulping machine is simple in structure andhigh in pulverizing efficiency.

The invention discloses a three-stage negative pressure evaporation crystallization treatment process and a device for titanium dioxide waste sulfuric acid. The process comprises the following steps:crystallizing and separating of ferrous sulfate in a titanium dioxide waste sulfuric acid stock solution by using a stock solution crystallization system is carried out, and centrifugally separating are carried out to obtain a ferrous sulfate heptahydrate solid and mother liquor; through the cooperative cooperation of a double-effect evaporation system, a single-effect evaporation system and a concentration and crystallization system, the possibility of crystallization and blockage of materials in the evaporator is eliminated, and the stable operation of the device is ensured; centrifugate from the stock solution crystallization system is evaporated and concentrated in the double-effect evaporation system to improve acidity and then is introduced into a front section of the concentration and crystallization system; cooling, crystallizing and filter pressing are carried out to obtain a large amount of sulfate solids; wherein the mass concentration of sulfuric acid in filtrate reaches 50%, the filtrate is continuously introduced into the single-effect evaporation system for forced circulation, the concentration of waste sulfuric acid is increased to the maximum extent, the concentrated waste sulfuric acid solution is introduced into the rear section of the concentration and crystallization system, cooling crystallization is performed, a large amount of sulfate solids are obtained through filter pressing, and a regenerated sulfuric acid solution with the mass concentration larger than or equal to 70% is obtained.

The invention belongs to the field of household garbage treatment, in particular to a garbage anti-blocking device, which comprises a shaft and a power device for driving the shaft to rotate, wherein the body of the shaft is provided with a crushing part, and the power device drives the shaft so that the crushing part is in a rotating garbage-loosening state or static state. By the scheme, in theinvention, as the garbage crushing part is arranged, when the garbage is blocked or arched in a garbage hopper, the power device drives the shaft to enable the crushing part to work, thus, the blocked garbage can be scattered and crushed, further, the blocking or arching phenomena caused in the garbage transmission process can be greatly reduced and even completely eradicated, and the stable operation of the whole garbage treatment system is ensured.

The invention discloses crushing equipment for fused silica powder production and processing. The crushing equipment is characterized in that a driving motor is fixedly installed in the center of the top end of a base, and damping struts are fixedly installed at four corners of the top end of the base; a main body is composed of a coarse crushing box and a fine crushing box, a feeding hopper and a stirring device are installed at the top end of the coarse crushing box, the stirring device comprises a transmission rod, a rotating motor and a stirring paddle, a fixed crushing block is fixedly installed at the top of the coarse crushing box, an inner shock absorber is installed on the side wall of the fixed crushing block, and a shaking crushing head is installed at the bottom end of the fixed crushing block. The crushing equipment for fused silica powder production and processing is simple and reasonable in structure, novel in design and easy to operate, the blockage problem caused by the difference between the feeding speed and the processing speed is prevented through the stirring device, multiple extrusion crushing and fine grinding are achieved through the coarse crushing box and the fine crushing box, the raw materials can be processed into the required particle mesh number of the fused silica powder at a time, and high practical value is achieved.

The invention relates to an efficient geothermal energy heat exchange system. The efficient geothermal energy heat exchange system comprises a booster fan, an air amplifier, an air vortex tube, a draft tube, a bearing column, heat exchange plates, temperature sensors, a thermal energy conversion device and a control circuit. The bearing column is of a hollow tubular structure, and the heat exchange plates are embedded in the bearing column and communicate with the air vortex tube. The air vortex tube is connected with the booster fan, and the booster fan communicates with the air amplifier. The air amplifier separately communicates with the outlet ends of the heat exchange plates and the thermal energy conversion device. The efficient geothermal energy heat exchange system can effectivelyimprove the utilization rate of geothermal energy collection and reduce the equipment construction, operation and maintenance cost on the one hand, and on the other hand, the efficient geothermal energy heat exchange system can efficiently perform collection according to geothermal energy distribution conditions of different formations, thereby greatly improving the working efficiency and scope ofgeothermal energy resource collection operation and avoiding waste of resources.

The invention provides a chemical fiber single-bundle water repellent and oil repellent treatment device unit. The device unit is simple in structure and is in an integral shape of a square box, and the device unit is in size suitable for mounting on a yarn guide machine, a winding machine, a twisting machine, a doubling machine and a cabling machine in an existing textile engineering process andis simple and convenient to mount and easy to operate and control. In addition, when equipment on which the device unit is mounted does not need water repellent and oil repellent functional treatment,original processing functional processes of the equipment can be carried out normally without demounting the device unit. The device unit can be used as an independent treatment device to independently set and complete chemical fiber single-bundle water repellent and oil repellent treatment.