82results about How to "Fast filtering effect" patented technology

The present invention is the preparation process of composite inorganic flame retardant with nanometer attapulgite clay core and coating of Mg, Al, Sb, etc. The preparation process of the composite inorganic flame retardant includes the following steps: compounding water suspension of nanometer attapulgite clay with solid content of 10-200g/L; heating to 40-100 deg.c and coating the nanometer attapulgite clay with inorganic material Al2O3 hydrate, MgO hydrate, antimony oxide hydrate, ZnO hydrate and/or zinc borate via stirring; letting stand for the coated nanometer attapulgite clay to deposit; solid-liquid separation; filtering, washing, drying at 80-150 deg.c and crushing to obtain the composite inorganic flame retardant. The composite inorganic flame retardant of nanometer attapulgite clay has both flame retarding and excellent reinforcing effects.

The invention relates to a multi-level mixed three-dimensional space index method which comprises the following steps: 1, building a united three-dimensional space index framework; 2, dividing a large-scale city space into a plurality of small regions, and building a first level grid index; 3, in the first level grid index region, building a second level multi-type mixing index for three-dimensional space data with different types; and 4, based on the multi-level mixed three-dimensional space index, carrying out multi-level query search on a three-dimensional space database. The three-dimensional space index method improves the searching efficiency of the large-scale three-dimensional space database through multi-level filter and search.

The present invention discloses a dust filtration system of gas mixture of high temperature oil gas, water vapor and precipitation-prone carbides, which comprises a closed separation chamber connecting intake duct and exhaust duct. The closed separation chamber comprises a filter mechanism inside, the outer surface of the filter mechanism connects to the intake duct and the inner surface connects to the exhaust duct, and the dust filtration system comprises a filter regeneration mechanism. The present invention includes a filter regeneration mechanism set in the closed separation chamber connecting intake duct and exhaust duct, which can recover the filtering capacity greatly decreased due to the adhesion of tar and ash to the filter surface and pores. The repeated regeneration directly reduces the cost of filter and greatly improves its service life.

The invention provides an aztreonam anhydrous crystal compound. An X-ray diffractive map comprises the following X-ray diffractive peaks: 18.2 degrees +/- 0.2 degree, 24.0degrees +/- 0.2 degree, 9.1 degrees +/- 0.2 degree, 4.1 degrees +/- 0.2 degree and 17.2 degrees +/- 0.2 degree disclosed by 2 theta angles. The invention also provides a method for preparing the aztreonam anhydrous crystal compound. The aztreonam anhydrous crystal compound has a sharp outline, can be perfectly reappeared, has powder flowbility, intrinsic dissolution rate, solid stability, and the like which are obviously better than that of the traditional aztreonam crystal compound and can be prepared into a medical composition for treating various types of infection caused by sensitive oxybiontic gram-negative bacteria.

The invention provides a ventilation device with a rapid gas exchange function for a mobile toilet. A toilet body is involved, the top of the toilet body is fixedly connected with a top plate, the left side of the front face of the toilet body is movably connected with a movable door through a hinge, and the top of the right side of the toilet body is fixedly connected with a fixed box. Through the cooperation of an air suction mechanism, a purification mechanism and a first air pump, a user can conveniently mix fresh air and turbid gas to reduce the concentration of the turbid gas, then a filter cotton plate, an activated carbon filter screen and an HEPA filter screen quickly filter and adsorb dust and harmful gas in the diluted turbid gas, and at the moment, the first air pump quickly transmits the purified gas back to the toilet body, so that a user can rapidly replace turbid gas in the toilet body, and the problems that a traditional ventilation device for the mobile toilet cannotrapidly exchange gas and cannot purify the replaced turbid gas are solved.

The invention discloses an electric welding machine with an environmental protection function for building construction. The electric welding machine comprises a shock absorption base, a shock absorption groove is formed in the top of the shock absorption base, a shock absorption plate is slidably connected between both sides of the inner wall of the shock absorption groove, and a chassis is fixedly connected to the top of the shock absorption plate. A mounting plate is fixedly connected between both sides of the inner wall of the chassis, a mounting block is fixedly connected to the bottom ofthe inner wall of the chassis, a filter block is fixedly connected to the top of the mounting block, and a filter tank is formed in the top of the filter block. The invention relates to the technicalfield of construction welding facilities. The electric welding machine with the environmental protection function for building construction solves the problem that the electric welding machine does not have the function of environmental protection and prevents welding fume from drifting in the air to cause serious damage to the physical health of construction workers. The rapid absorption, filtration and purification treatment of the welding fume produced by welding are achieved and the welding operations of the construction workers are greatly facilitated.

The invention provides an industrial wastewater treatment type biochemical precipitation device. The industrial wastewater treatment type biochemical precipitation device comprises a sealing mechanism, a sedimentation tank and a supporting mechanism, wherein the sedimentation tank is mounted at the lower end of the sealing mechanism; the supporting mechanism is assembled at the lower end of the sedimentation tank; the sealing mechanism comprises a sealing cover, a left baffle plate, a retractable hose, a cavity, a filtering screen, a right baffle plate, a guide rod, a screw rod and a motor; the supporting mechanism comprises thread rods, springs I, fixed plates, retractable plates, movable wheels, a supporting plate, springs II and a connecting plate. Compared with the prior art, the industrial wastewater treatment type biochemical precipitation device provided by the invention has the following beneficial effects that a sealing function is realized and sediment is also convenient to rapidly filter and aggregate; the precipitation time is short and the sediment is also convenient to take out rapidly; the device is also convenient to move.

The invention relates to the food oil preparation technology field, and concretely provides a filtering and sterilization device for sesame oil after cold pressing. The filtering and sterilization device comprises a first-grade filtering device, a second-grade filtering device, an oil collection plate, an oil transportation groove, a bactericidal lamp and a fixed shell. The first-grade filtering device is used for filtering particle with large diameters in the pressed oil. The second-grade filtering device is used for filtering residual particles in the pressed oil after filtering the No.1 filter funnel. The fixed shell is cylindrical. A through hole is arranged in the bottom of the side wall of the fixed shell. The oil collection plate is placed in the cavity of the fixed shell in an inclined manner. An oil leakage hole is arranged at the lowest position of the oil collection plate. The oil transportation groove with a U-shaped cross section is distributed on the side wall of the inner cavity of the fixed shell in a spiral manner. The top of the oil transportation groove is arranged directly under the oil leakage hole in the oil collection plate, and the bottom of the oil transportation groove is fixed at a through hole at the bottom of the fixed shell. The filtering and sterilization device can achieve filtering and rapid sterilization of the pressed sesame oil, operation is simple and fast, and damage of excess mycin such as aspergillus flavus or the like in food oil to people is avoided.

Provided is an improvement method of a preparation technique of 3-(2,2,2-trimethylhydrazine) propionate dihydrate. The 3-(2,2,2-trimethylhydrazine) propionate dihydrate is a drug for a cardiovasculardisease and is a product after basic hydrolysis and acidification of an intermediate 3-(2,2,2-trimethylhydrazine) methyl propionate salt (CH3)3N<+>NHCH2CH2COOCH3X<-> (wherein X represents Cl<->, Br<->, I<-> and CH3SO4<->). Due to the fact that the acidification purification process adopted after hydrolysis is complicated, no better process for solving the problem has been provided so far. According to the method, mixed liquor for acidification is added before and after acidification, the complex (emulsible) or double salt of 3-(2,2,2-trimethylhydrazine) propionate dihydrate is not produced, and the steps of electrodialysis, separation and purification are omitted. Besides, another novel acid agent is added, a high-purity product can be further obtained, and the advantages of commercial scale production, cost reduction, simple equipment and the like are achieved.

The invention discloses a non-ferrous metal smelting circulating water filter pressing device, and relates to the field of non-ferrous metals, the non-ferrous metal smelting circulating water filter pressing device comprises a base, a main body is arranged at the middle position of the top of the base, the top end of the interior of the main body is rotatably connected with a rotating bin, the interior of the rotating bin is slidably connected with a pressing column, and the bottom of the pressing column is provided with a clamping head; a filter plate is arranged in the main body, a mounting frame is rotatably connected to the outer side of the filter plate, and a rotary button is arranged on one side of the mounting frame. By arranging a floating ball, when impurities block a filter plate, water entering is affected, water is gradually increased, the floating ball moves upwards under buoyancy, a pressing column is driven to move downwards under the action of a telescopic column in cooperation with the lever principle, a clamping head enters a clamping groove block, and at the moment, a rotating motor is started to drive second conical teeth to rotate; and the rotating bin drives the filter plate to rotate, so that impurities at the top of the filter plate rotate, and water can pass through conveniently.

The invention relates to a photovoltaic power generation device based on the Internet of Things with rain prevention and cleaning functions. The device comprises a casing, a lifting mechanism, a rainproof mechanism, a water collecting mechanism and a cleaning mechanism. The rainproof mechanism comprises a second motor, a screw and two moving units. The cleaning mechanism includes a third motor, arotating rod, a sliding sleeve, a cleaning rod, a fixed shaft and a nozzle. According to the device, the height of the solar panel is accurately adjusted by the lifting mechanism, through the cooperation of the rainproof mechanism and the water collecting mechanism, the corrosion of the whole device by acid rain is reduced, the rainwater is quickly collected and initially filtered, the service life of the whole device is prolonged, water resources are saved, the practicability is improved, the dust accumulated on the surface of the solar panel is washed through the cleaning mechanism to keep the solar panel clean, the power generation efficiency is improved, and the practicality is improved.

The invention provides a filter bank for temperature increase and decrease segmentation interception of extract. Filter bank comprises a refrigerating system Q1, a liquid inlet system, a cooling circulating system, a heat storage circulating system, a heat energy circulating system, a heating medium circulating system, a refrigerant circulating system, a circulating temperature system, a filteringsystem, a circulating flow cutting system A, a circulating flow cutting system B, a filtering type interceptor C5 temperature supplementation system, a filtering type interceptor C3 temperature supplementation system, a circulating temperature supplementation system A and a circulating temperature supplementation system B. The filter bank adopts a scientific technology, is simple and practical, and realizes temperature increase and decrease extraction, rapid cleaning and continuous filtration.

The invention relates to the field of manure treatment machinery, in particular to a manure dehydrator. The manure dehydrator comprises a dehydrator body, wherein a filter cavity is formed in the rear end of the dehydrator body, a blow-off pipe is arranged at the lower end of the filter cavity, an overflow groove is formed in the upper end of the filter cavity, a feeding pipe is arranged at the lower end of the overflow groove, the upper edge of the overflow groove is connected with a filter net, the lower end of the filter net communicates with a feeding port of a dehydration chamber, a motor fixedly arranged at one end of the dehydration chamber is connected with a screw rotating shaft through a speed reducer, a liquid discharging port is formed in the lower part of the other end of the dehydration chamber, a manure discharging outlet is formed in the rear part of the other end of the dehydration chamber, and a bearing block is fixedly arranged on one side of the manure discharging outlet. The manure dehydrator can quickly filter and dehydrate manure and is high in filter efficiency, and the filter net cannot be blocked easily.

The invention relates to recycling equipment, in particular to a rainwater recycling device which is novel in structure, convenient to use and capable of filtering rainwater. The rainwater recycling device comprises a left frame, a bottom plate, a right frame, first fixing rods, a water collection tank, a filtering device, a water delivery device, a first one-way valve, a first pipeline, a secondfixing rod and a second one-way valve, the left frame is welded on the left side of the top of the bottom plate, the first fixing rods are welded on the right side of the left frame in up-down symmetry, and the water collection tank is welded at the right ends of the first fixing rods. By controlling a first electric push rod to extend and contract, the first electric push rod drives a gear to rotate through a rack to finally enable a net cover to rotate, and the net cover rotates to enable active sand to sufficiently contact with rainwater.

The invention provides a low-temperature multistage filter flow cutting device. The device comprises a refrigerating system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulation system, a cooling system, a filtration system, an A circulating flow cutting system, a B circulating flow cutting system and a C circulating flow cutting system. The low-temperature multistagefilter flow cutting device has the advantages that the work efficiency is improved, the production cost is reduced, the process accords with the science, the operation is simple and practical, a freezing filtration system with a filtration aiding medium is abandoned, the mineral resources are saved, and the cleanness and environmental protection are achieved.

The invention provides a heavy metal recovering device for industrial wastewater. The heavy metal recovering device comprises a filtering mechanism, a treatment box and a supporting mechanism, whereinthe filtering mechanism is arranged on the treatment box; the supporting mechanism is arranged at the lower end of the treatment box; the filtering mechanism comprises a motor, a screw I, a filter screen I, a rubber bar, a 45-degree connector, a fixed column, a U-shaped guide groove, an electromagnet, an iron ingot, a guide rod and a push plate; the supporting mechanism comprises a holding box, an electric motor, a base plate, a bottom plate, a connecting plate, a screw II, an L-shaped supporting plate, a sliding rod, a connecting ring, a threaded rod and a filter screen II. Compared with theprior art, the heavy metal recovering device provided by the invention has the following beneficial effects that the functions of quickly filtering and taking out are realized, a secondary filteringfunction is also realized and the supporting effect is improved.

The invention provides a freezing and filtering device which comprises a refrigerating system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulating system, a cooling system, a filtering system, a circulation flow cutting system, a filtering type intercepting machine C3 temperature supplementing system and a circulating temperature supplementing system, the technology disclosed by the invention is scientific in process, the operation is simple, a freezing and filtering system with a filter aid medium is avoided, mineral resources are saved, and the freezing and filtering device is clean and environment-friendly.

The invention provides a cold and heat dual-filtration system. The system includes a refrigeration system Q1, a liquid inlet system, a cooling cycle system, a refrigerant cycle system, a cooling system, a filtering system, a circulating flow cutting system A, a circulating flow cutting system B, a filtering interceptor C3 temperature compensation system, a circulating temperature compensation system, an intake system A, a heat medium circulation system, a heat energy circulation system, a heating cycle system, a filtering system A, a circulating flow cutting system AA, a circulating flow cutting system BB, a filtering interceptor C3 temperature compensation system and a circulating temperature compensation system A. The system has the advantages that the technology is scientific and practical, the system has cold and hot filtering functions, fast cleaning and continuous filtering can be achieved, the system can replace a freezing and filtering system with filter aids, mineral resourcesare saved and the system is clean and environmentally friendly.