47results about How to "Achieve drainage effect" patented technology

The invention discloses a tunnel primary support and waterproof and drainage combined system and a construction method. The tunnel primary support and waterproof and drainage combined system comprisesa hollow anchor rod arranged along the radial direction of a tunnel contour line, the hollow anchor rod is filled with gravels, and the inner wall of the tunnel contour line is provided with shotcrete; the hollow anchor rod is provided with a punched hole and is wrapped with geotextile; and a reinforcing mesh is arranged along the shotcrete. The hollow anchor rod is filled with the gravels and wrapped with the permeable geotextile, underground water in a tunnel permeates into the hollow anchor rod, the tunnel is filled with the anchor rod, the rigidity of the tunnel is improved, and deformation is prevented. Besides, the H-shaped side of I-shaped steel is coated with waterproof paint, the I-shaped steel abuts against the rock wall and is installed at the lower side of the hollow anchor rod, underground water and seepage water in the hollow anchor rod are guided and drained through the I-shaped steel and a shotcrete U-shaped groove, the drainage function is achieved, and the supportingand stabilizing functions of the hollow anchor rod are not affected.

The invention discloses a fuel cell purging system and a control method. The control method comprises the following steps of: after a galvanic pile stops power generation and starts purging, acquiring purging preset parameters of an air system and a hydrogen system, and control parameters of a thermal management system; controlling a rotating speed of an air compressor, an opening degree of a hydrogen inlet proportional valve and a rotating speed of a hydrogen circulating pump according to the purging preset parameters, controlling and selectively communicating a heat dissipation branch and a heating branch according to control parameters of a heat management system, and controlling on and off of a corresponding heat dissipater and a corresponding heater; and acquiring a change value of alternating current impedance in an electric pile, and controlling the ending of in-pile purging according to the change value of the internal resistance of the electric pile. Through switching of the heating branch and the heat dissipation branch, purging of moisture in the electric pile is accelerated.

The invention discloses a feed mixer for promoting fast growth of domestic pigs. The feed mixer comprises a shell, a feeding opening, a crushing mixing cavity, a first telescopic rod, a discharging cavity and a feed basin; the upper part of the left side of the shell is provided with the feeding opening; the lower part of the feeding opening is connected with the crushing mixing cavity; the rightside of the crushing mixing cavity is provided with a stirring box; the front side of the stirring box is provided with a front feeding opening; the rear side of the stirring box is provided with a rear discharging opening; the lower part of the stirring box is provided with the discharging cavity; the upper part of the right side of the discharging cavity is provided with a lower discharging opening; the upper part of the right side of the shell is provided with an electric telescopic device; the left side of the electric telescopic device is connected with the first telescopic rod; and the lower part of the discharging cavity is provided with the feed basin. According to the invention, quick and efficient crushing of feed can be realized, and meanwhile, a nutrient solution can be fully mixed with the feed, so that the feeding of the domestic pigs is facilitated, the purpose of energy conservation and environmental friendliness can be fully realized, the working efficiency is improved, and the chewing and digestion of domestic pigs are facilitated.

The invention provides a sound-controlled plunger which comprises a shell, a signal acquisition module and a controller, wherein a driver module is arranged in the shell; the signal acquisition moduleis electrically connected with the driver module and the signal acquisition module; a command signal transmitted by a user is acquired by the signal acquisition module and transmitted to the controller, the command signal is received by the controller, and the driver module is controlled to work. According to the sound-controlled plunger provided by the invention, opening and closing of the plunger can be realized by virtue of a voice command of the user, so that connection and isolation between the water tank and a sewer line can be realized. Furthermore, on one hand, under the condition that hands of the user do not enter water, the drainage effect can be achieved, and the operation is convenient and reliable; on the other hand, the condition that the water in the sewer line flows backinto the water tank to cause secondary pollution can be avoided, and the using reliability of the plunger is improved.

The invention discloses a rotor assembly, a motor and a compressor, the rotor assembly comprises a rotor main body, a balance block, a fence and a fan, the rotor main body is provided with a plurality of vent holes, and the plurality of vent holes extend along the axial direction of the rotor main body to penetrate through the rotor main body; the balance block is arranged at one end of the rotor body and used for scattering a refrigerating medium discharged from a silencer of a compressor, the fence is arranged at one end of the rotor body and surrounds the balance block, and the fan is arranged at the other end of the rotor body. And the fan is used for promoting the refrigerating medium to be pumped from one end of the rotor main body to the other end of the rotor main body through the vent hole. According to the rotor assembly, the oil spitting amount of the compressor using the rotor assembly can be reduced, and the operation performance of the compressor is improved.

The invention discloses a high-sealing sliding window with hidden drainage structures. The high-sealing sliding window comprises a bottom frame profile, the bottom frame profile is mainly composed ofan outer frame profile body and an inner frame profile body, the outer frame profile body and the inner frame profile body are arranged side by side in parallel, and a gap is formed between the outerframe profile body and the inner frame profile body; C-shaped heat insulation strips are installed at the gaps between the outer frame profile body and the inner frame profile body, the hidden water drainage structures are installed in the outer frame profile body and the inner frame profile body, three sets of frame profile body are arranged on the upper surfaces of the outer frame profile body at intervals, and adjacent pulley installation grooves and sash transverse profile body installation grooves are formed among the three sets of frame profile body. According to the high-sealing slidingwindow, the hidden drainage structures are installed in the cavities of the outer frame profile body and the inner frame profile body, water outlet holes in the side walls of the drainage cavities flow out of the outer frame profile body, the drainage effect is achieved, the water outlet holes are formed in the outer wall of the outer frame profile body, drainage is not associated with the innerframe profile body, the sealing performance is improved, and the problem that the sliding window is low in water tightness is solved.

The invention relates to drainage equipment, in particular to multifunctional energy-saving drainage equipment for a reservoir. The multifunctional energy-saving drainage equipment for the reservoir guarantees flood discharge and discharge of the reservoir, and is convenient to operate, safe and reliable. The multifunctional energy-saving drainage equipment for the reservoir comprises a connecting plate frame and protective covers, and the protective covers are arranged on the two sides of the connecting plate frame; the power mechanism is arranged between the two protective covers; the waterwheel wheel discs are symmetrically arranged on the power mechanism, and the waterwheel wheel discs are matched with the protective cover; and the water source conveying mechanism is arranged on the connecting plate frame. By arranging the power mechanism and the water source conveying mechanism, the waterwheel wheel disc rotates to drive the power mechanism to move, then the water source conveying mechanism is driven to operate to rapidly drain water, and then the water drainage effect is achieved.

The invention discloses a cooling and heat preservation assembly for a high-temperature magnetic drive pump. The cooling and heat preservation assembly comprises a cooling and heat preservation assembly body, the interior of the cooling and heat preservation assembly body is divided into a cooling and heat preservation inner cavity and a drainage inner cavity through a partition plate assembly, and a plurality of first drainage holes and second drainage holes are annularly and uniformly formed in the cooling and heat preservation inner cavity. As the interior of the cooling and heat preservation assembly body is divided into the cooling and heat preservation inner cavity and the drainage inner cavity through the partition plate assembly, and the multiple first drainage holes and the second drainage holes are annularly and uniformly formed in the cooling and heat preservation inner cavity, so that the problem that in the prior art, a pipe is welded in a cooling and heat preservation assembly body, due to the fact that the reserved position in the cooling and heat preservation assembly body is limited, the pipe can only be obliquely welded in a cooling hole in the cooling and heat preservation assembly body, and welding is not firm are solved, then a drainage loop is formed between a water inlet section and the first drainage holes, the drainage inner cavity and the second drainage holes from left to right without welding the pipe, and the drainage effect is achieved.

The embodiment of the invention provides an artificial intelligence diagnosis traffic operation and maintenance service management and control method and system. The method is used for a background server and comprises the following steps: acquiring a congested section of an urban road and a corresponding congestion condition; acquiring a bus route influenced by the urban road congestion section and a passenger waiting condition of each bus station corresponding to the bus route from an urban bus management system; passenger waiting conditions of light rail stations close to the bus stations are obtained from a light rail operation and maintenance system; receiving a bus station position and a target terminal point from the user side; and determining and executing drainage alarm information and a drainage control strategy of the light rail station according to the bus station position, the target terminal point, the congestion condition, the passenger waiting condition of the bus station and the passenger waiting condition of the light rail station. According to the artificial intelligence diagnosis traffic operation and maintenance service management and control method and system, coordination control and management can be carried out on various public traffics, and traffic diagnosis and cooperative evacuation of passengers are realized.

The invention relates to the technical field of waste express recycling, in particular to waste express package recycling equipment which comprises a shell and a control processor located at the right end of the shell, the right side of the top end of the shell is rotationally connected with an opening cover through a hinge, and the inner side of the right end of the shell is fixedly connected with a filter screen. According to the waste express package recycling equipment, by means of a fan, a material blocking slope, an air pipe, a fan cover and other components in a plastic bag sorting device, plastic bag packages and carton packages can be classified and recycled, and good practicability is achieved; when the fan starts to work, negative pressure can be generated on the right side of the top end of the shell, air can enter from the filter screen at the right end of the shell; and after the plastic bag sorting device works for a fixed time, two situations can occur, wherein one situation is that when expresses are packaged by plastic bags, the plastic bags can penetrate through transmission rollers located at the upper position and the lower position along with air circulation to enter the left side of the shell, and the other situation is that when the expresses are packaged by cartons, the cartons can be blocked by the material blocking slope and placed on the upper side of a material falling baffle.

The invention relates to the technical field of medical devices, and particularly discloses a medical intubation tube and a preparation method and use thereof. The medical intubation tube comprises atube body used for communicating with a to-be-drained part, an insertion end arranged at one end of the tube body, a drainage cavity formed in the tube body and a reinforcing part arranged in a side wall of the tube body and used for supporting the tube body. The reinforcing part is arranged in a middle of the tube body, a situation that the tube body is bent or tightly folded or blocked due to temperature changes or external pressure or other factors can be eradicated, the insertion end is connected with an external traction part, a clinical traction rope and the like can penetrate conveniently, therefore when the medical intubation tube makes contact with the to-be-drained part, a substance from the to-be-drained part is transferred to one end, away from the insertion end, of the tube body, a problem that an existing drainage intubation tube is greatly influenced by temperature changes, and consequently the tube body is prone to being bent in a drainage process is solved, and the medical intubation tube has wide market prospects.