30results about How to "The filtering effect is thorough" patented technology

The invention discloses a sewage purification treatment device of a municipal sewage pipe network. The sewage purification treatment device comprises a tank body, wherein a medicament adding hole is formed in the central position of the top of the tank body; a sewage branch pipe is mounted on an outer side of the medicament adding hole; an exhausting hole and a washing pipe are mounted on left and right sides of the sewage branch pipe; stop valves are mounted on outer walls of the sewage branch pipe, the medicament adding hole, the exhausting hole and the washing pipe; a motor is mounted at the top of the outer wall on the right side of the tank body; an external power supply is mounted on the right side of the motor; the motor is electrically connected with the external power supply through a connecting wire; a rotary shaft is mounted at the left end of the motor; the rotary shaft penetrates through the tank body; a crushing paddle is mounted on the outer wall of the rotary shaft; and a rotary shaft ring is mounted at a connecting part of the rotary shaft. According to the sewage purification treatment device of the municipal sewage pipe network, crushing and filtering are more complete under the matching of a coarse filter screen, a fine filter screen, the crushing paddle and a hairbrush, and thus the requirements of people are greatly met.

The invention relates to the technical field of high-salinity wastewater treatment, in particular to a mixed bed regenerated high-salinity wastewater zero discharging treatment device and solves technical problems of high difficulty in high-salinity wastewater reclamation and poor reclamation effects in the prior art. The mixed bed regenerated high-salinity wastewater zero discharging treatment device comprises a pre-treatment unit, a concentration treatment unit and a fresh water tank. The concentration treatment unit comprises a nanofiltration concentration device and a recycling device. After wastewater passes through the nanofiltration concentration device, water molecules and a small part of dissolved salts pass through a nanofiltration membrane to be delivered into the fresh water tank through a fresh water pipe, and remaining thick water is delivered into the recycling device to be subjected to separation treatment. Therefore, the wastewater is filtered and separated more thoroughly to achieve a higher utilization ratio.

The invention discloses a cucumber juice filtering device. The cucumber juice filtering device comprises a hollow columnar cavity body which is connected with an openable seal cover and is internally provided with a filtering component; the upper end of the cavity body is provided with a liquid inlet; the lower end of the cavity body is provided with a liquid outlet; the filtering component comprises an upper coarse filtering component and a lower fine filtering component; the coarse filtering component comprises a filtering screen and a hollow fiber filter element which are arranged sequentially from top to bottom; the fine filtering component comprises a filtering screen, a hollow fiber filter element and a liquid collecting tank which are arranged sequentially from top to bottom, wherein the lower part of the liquid collecting tank is provided with a plurality of through holes, each through hole is connected with the liquid outlet by a liquid guide pipe, and the outlet of the liquid guide pipe is provided with a suction filtering head. The filtering device provided by the invention comprises the coarse filtering component and the fine filtering component from top to bottom, each filtering component comprises the filtering screen and the hollow filtering filter element, and the filtering effect can be ensured by filtration twice.

The invention relates to a water filtration and purification system for mill dust. The water filtration and purification system comprises an upper cover part, a water filtration and purification system component, a dust collection barrel and a dust collection area, wherein the water filtration and purification system component and the dust collection area are arranged inside the dust collection barrel; an upper cover is arranged at the upper part of the dust collection barrel. The water filtration and purification system mainly solves that a dust collection bag of an existing dust-free dry milling system is easily blocked, or a water filtration cavity is too small and the separation capacity of the mill is poor, compared with the prior art, is not provided with the dust collection bag, uses water as a filtration medium, is simple in structure and good in filtration effect, and is particularly applicable to the absorption of the mill dust from architectural decoration and finishing, vehicle maintenance and repair, equipment manufacturing and the like.

The invention relates to the technical field of automobile spot welding, and especially relates to a front floor positioning device for automobile spot welding and a using method thereof. The device comprises a positioning frame, a processing device, a monitoring device and a positioning device. The processing device is arranged at the right end of the positioning frame; the left end face of the positioning frame is slidably connected with a display screen; a through hole is formed in the left end surface of the positioning frame; the display screen blocks the left side of the through hole; asliding block is fixedly connected to the bottom end of the right end surface of the display screen; the sliding block penetrates through the positioning frame; the sliding block is in sliding connection with the positioning frame; and the monitoring device is arranged at the top end of the positioning frame. According to the device, through arrangement of a first adapter pipe and a filter screen,and through cooperation of communication of the first adapter pipe and an exhaust pipe, sliding connection of the filter screen and a treatment box and communication of the air pump and the exhaust pipe and an air outlet pipe, when the device is used, welding fume can be thoroughly adsorbed and filtered, and therefore, the health of workers and the health of the working environment are guaranteed.

The invention discloses an oil filter and relates to a filter, comprising a filter element, a filter housing, an oil inlet and an oil outlet. The filter element comprising an alkaline filter layer, an acidic filter layer and an activated carbon layer is of cylindrical shape and in sleeve connection from inside to outside. The filter housing is hermetically fixed to an outer wall of the filter element, the oil inlet with an upward opening is disposed in the middle of the filter housing, and the oil outlet with a rightward opening is disposed in the bottom of the filter housing. The oil filter has the advantages that the structure is simple, the process includes filtering out the acidic and alkaline substances in oil stain through the filter element and adsorbing oil contaminants through the activated carbon layer, and the filtering effect is thorough. Therefore, the oil filter is applicable to filtration of all types of oils and deserved to be promoted and used.

The invention discloses a sand-wind-proof mechanical filter for a rail vehicle. The filter comprises a shell with an opening, wherein a first filter screen is arranged on the front part of an inner chamber of the shell, a sand wind filtering device is arranged in the middle of the inner chamber of the shell, a wind hole is formed in the side surface, away from the opening, of the shell, and the wind hole is fixedly connected with an air inlet of a wind gathering pipe; the sand wind filtering device comprises a first air induction plate, a first wind shield, a second air induction plate, a second wind shield, a rear filter screen and a housing with the two ends open, the first air induction plate with the outer end higher and the inner end lower is fixed to the side, close to the first filter screen, of the interior of the housing, and the first wind shield is fixed to the position of an air outlet of the first air induction plate. According to the sand-wind-proof mechanical filter forthe rail vehicle, because multiple filter screens are used for filtration, the complete filtration effect is achieved, high-speed wind is induced into the sand wind filtering device by an air induction pipe, the filtration efficiency is improved, and it is avoided that secondary pollution is caused when the sand wind filtering device is saturated.

The invention discloses a radar speedometer with a damping function in the radar speed measuring anti-seismic and shock absorption technology field. The center of the top of a protection box is provided with a support seat. The top of the support seat is provided with a buffer cavity. A support block is nested in the buffer cavity. The left and right sides of the bottom of the support block are provided with two groups of spring rod with a same structure. The top of a support frame is provided with a buffer plate. The top of the buffer plate is provided with a speedometer. The left and right side walls of the support frame are provided with second buffer devices. One side wall of each second buffer device, which is far away from the support frame, is nested with a support plate. The bottomof the support plate is provided with a support rod. The bottom end of the support rod passes through the top of the protection box and then is extended into a first buffer device. The vibration of avehicle passing a road surface next to the installation position of the speedometer can be effectively absorbed so that an influence on the speedometer can be reduced, and the accuracy of the speed measurement of the passing vehicle by the speedometer is increased.

The invention discloses a screening device used for cement production. The screening device is reasonable and simple in structure, low in production cost, convenient to install, complete in function,thorough in filtering effect, low in screening noise, convenient to operate and high in production efficiency. Cement is input through a feeding nozzle. A first motor drives a feeding shaft to transport the cement and disengage the cement into a stirring chamber from a discharging pipe. In the transporting process, a permanent magnet adsorbs metal impurities in the cement, the cement is located inthe stirring chamber, a second motor drives a rotating shaft to rotate, and a first stirring rod and a second stirring rod are used for stirring the cement and sufficiently scattering the solidifiedcement. Then the cement enters a filtering net of a screening chamber, a third motor drives a cam to rotate, the cam is used for knocking an L-shaped supporting rod, and therefore the cement is filtered. Meanwhile, a fourth motor drives an induced draught fan to rotate to extract the cement in the air, and the cement is stored in a cement collecting chamber. By means of the above technical scheme,the problems in the background technology are sufficiently solved.

The invention discloses a chemical sewage treatment device with ozone sterilizing and harmful gas treatment, which comprises a chemical sewage inlet, a sewage connecting pipe, a water volume control valve, a water inlet pipe, a sewage filtering device, a first rotator, a first filter, a second Second filter, sewage transition pipe, ozone sterilizing device, sewage detector, internal circulation reactor, ozone generator, second rotator, water outlet pipe and water outlet pipe interface, the water inlet pipe is connected with the sewage filter device, the The right side of the sewage filtering device is connected to the ozone sterilizing device through the sewage transition pipe, and the inner circulation reactor and the ozone generator are installed in the ozone sterilizing device. The chemical sewage treatment device with ozone sterilization and harmful gas treatment has more thorough filtration and sterilization, which greatly improves the working efficiency of the device, and the filtration efficiency is higher, and the device is not only more stable in structure, not easy to damage, and can be used for a long time. And it works more smoothly.

The invention discloses a high-temperature smoke efficient filtering fiberboard including a shell, a filtering cavity is formed in the shell; a smoke guide cover is inserted into the top of the filtering cavity; a smoke inlet pipe is fixedly mounted at the top of the smoke guide cover; a first filter plate and a second filter plate are fixedly mounted in the cover; threaded holes are formed in theside walls of the two sides of the smoke guide cover; bolts are in threaded connection with the interiors of the threaded holes; threaded holes matched with the bolts are also formed in the outer walls of the two sides of the shell, a plurality of fiberboard bodies are fixedly installed on the inner walls of the two sides of the filtering cavity, a plurality of smoke outlet holes are formed in the bottom of the shell, heat dissipation cavities are formed in the two sides of the shell, and air guide cavities are formed in the outer walls of the two sides of the shell. The high-temperature smoke efficient filtering fiberboard has the characteristics of reasonable structural design, thorough filtration, high efficiency and the like.

The invention discloses a phase shift type high-definition wireless audio receiving system. The system is characterized in mainly comprising a processing chip U, a capacitor C12 and a capacitor 13. The anode of the capacitor C12 passes through a resistor R12 and then is connected with the -IN pin of the processing chip U, and the cathode is connected with the GND pin of the processing chip U and is connected to the ground at the same time. The anode of the capacitor C13 is connected with the OUT pin of the processing chip U, and the cathode is taken as an output end. According to the system, an interference signal doped into an audio signal in a wireless transmission process can be filtered at a receiving end and an output end; the double-filtering mode is adopted to filter the interference signal, so that a filtering effect is more thorough, an output audio signal is more clean, the playing quality of sound is improved, and a hearing effect of people is better.

The invention discloses a salinized soil improvement system and method, and belongs to the technical field of salinized soil improvement. The salinized soil improvement system comprises planting parts, the planting parts are long-strip-shaped soil piles arranged in an array, the tops of the planting parts are provided with planting platforms, and planting grooves are formed in the planting platforms; and water seepage blind pipes with notches formed at the tops for plant planting are arranged in the planting grooves, slopes are arranged at the two sides of each planting platform, and the slopes and the corresponding planting platform are covered with water retention covering films at the same time through a film covering trolley. An irrigation device comprises deep ditches formed between the planting parts, water outlets of the deep ditches communicate with a water outlet pipe, the water outlet pipe communicates with a reservoir and a filter tank through a reservoir water inlet pipe and a filter tank water inlet pipe correspondingly, and multiple layers of partition plate filter devices are arranged in the filter tank; and the reservoir and the filter tank are both communicated with a mixing box through a mixing box water inlet pipe, the mixing box is connected with an irrigation water pipe, and the irrigation water pipe is arranged on the planting grooves and conducts drip irrigation through irrigation droppers.

The invention provides a garbage incinerator feeding device with multiple screening structures. The garbage incinerator feeding device with the multiple screening structures comprises an incinerator body, a first crushing mechanism, a secondary crushing mechanism, an aeration mechanism and a conveying mechanism. A feeding pipe is arranged in the middle of the top of the incinerator body; a crushing bin is formed in the incinerator body; the first crushing mechanism is arranged at the upper position in the crushing bin; and a filtering mechanism is detachably arranged in the crushing bin and located below the first crushing mechanism. According to the garbage incinerator feeding device with the multiple screening structures provided by the invention, the first crushing mechanism and the secondary crushing mechanism are arranged, so that the first crushing mechanism and the secondary crushing mechanism can crush garbage; meanwhile, a second filter screen is arranged below the first crushing mechanism, and a third filter screen is arranged below the secondary crushing mechanism, so that the crushed garbage can be filtered through the second filter screen and the third filter screen; and the mesh diameter of the third filter screen is smaller than the mesh diameter of the second filter screen, so that the garbage subjected to multiple screening is ensured to be crushed and filteredmore thoroughly.

The invention belongs to the technical field of auxiliary equipment for automobile production lines, particularly relates to a metal filing removing device for an automobile production line, and provides the following scheme now to solve the problems that the cleaning effect is poor and the filtering effect is not thorough. The metal filing removing device comprises a shell, supporting plates are fixedly connected to the two sides of the top of the shell, a frame is fixedly connected to the tops of the supporting plates, and a motor is fixedly connected to the left side of an inner cavity of the frame. The device is provided with the shell, the supporting plate, the frame, the motor, a screw rod, a screw sleeve, a supporting block, a sliding sleeve, a cleaning plate, a collecting shell, a material guiding cover, a material guiding pipe, a material leading cover, an air suction cover, an air suction pipe, a fan, an air outlet pipe, a filtering shell, a filtering cotton plate, a filtering cloth plate, an activated carbon adsorption plate, a sliding plate, a baffle, a material guiding opening, a filtering net plate, a sliding groove, a sliding block, a mounting plate, a PP cotton filtering plate, a non-woven fabric filtering plate, a fixing block, a base and a bearing seat which cooperate with one another, so that the advantages of good cleaning effect and thorough filtering effect are achieved.

The invention discloses a signal high-fidelity wireless audio receiving system based on phase processing. The system is characterized in that the system is mainly composed of a processing chip U, a capacitor C12 of which the positive electrode is connected with the -IN pin of the processing chip U through a resistor R12 and the negative electrode is connected with the GND pin of the processing chip U and grounded, and a capacitor C13 of which the positive electrode is connected with the OUT pin of the processing chip U and the negative electrode acts as the output end. The interference signals doped in audio signals in the wireless transmission process can be filtered at the receiving end and the output end, and the interference signals can be filtered by using the mode of double filtering so that the filtering effect is enabled to be more thorough, the outputted audio signals are enabled to be cleaner, the playing quality of sound can be enhanced and the people's auditory effect is enabled to be better.