8results about How to "Effectively break" patented technology

The present application relates to the technical field of coordinated scheduling, in particular to a multi-sediment river reservoir water-sand coordinated scheduling and intelligent prevention and control system for siltation. It comprises a reservoir storage space partition unit, a siltation state detection unit and a hierarchical coordinated control unit. The present application divides the reservoir storage from top to bottom into a high groove flood control area, a middle groove benefit area and a deep groove sand control area, realizes the physical separation of water storage and sand transport functions at high water level, judges whether the sand discharge channel is blocked to implement multi-level sand discharge strategy, realizes the preferential use of the first sand discharge channel for heterogeneous flow sand discharge, switches to the second sand discharge channel when blocked, forms a larger water head difference with a lower outlet to produce backwashed scouring, expands laterally to dredge, and starts the pneumatic dredging device to spray high-pressure gas to the outlet when the channel is seriously blocked, so as to liquefy and break the siltation, and realize the continuous water supply at high benefit water level in the multi-sediment river reservoir while intelligently preventing and controlling the self-dredging and siltation of the sand discharge channel without stopping water.

The application discloses a desulfurization slurry physical defoaming device and a defoaming method, and belongs to the technical field of defoaming separation. The method comprises the following steps: overflowing the foam-containing slurry into a defoaming separation device; performing preliminary physical defoaming by using a multiple mechanical defoaming module driven by slurry flow force; performing ultrasonic defoaming on the collected slurry by a dynamic ultrasonic defoaming module; filtering and dynamically cleaning the slurry after defoaming by using a filter integration processing module; guiding the purified slurry back to a desulfurization system, and discharging the remaining foam and slurry into a pit. The application adopts a multistage physical defoaming mode combining mechanical extrusion, ultrasonic vibration and filter cleaning, has the advantages of high defoaming efficiency, online slurry recovery, filter screen blockage avoidance and pit load reduction.

The application relates to a UAV-based deicing operation robot, which comprises an integrated UAV module and a deicing robot module; the deicing robot module comprises a control module, a wire clamping module and a wire deicing module; the UAV module comprises a multi-modal sensor and a rotor tilting module, the multi-modal sensor can identify the ice type of the wire to be deiced and can also identify the wire inclination angle or the body inclination angle; the wire deicing module is arranged on the wire clamping module and located on both sides of the wire to be deiced, and can move with the wire clamping module; the control module can instruct the wire clamping module and the wire deicing module to act according to the ice type, and the control module can instruct the rotor tilting module to tilt according to the wire inclination angle or the body inclination angle. The integrated design of the application greatly improves the equipment mobility, can quickly reach various complex operation areas, and improves the deicing efficiency and operation flexibility.

The application discloses a concrete conveying pipeline anti-blocking device, and belongs to the technical field of concrete conveying. The anti-blocking device comprises a base, an annular seat fixedly installed on the base, a clamp arranged in the inner ring of the annular seat and used for fixing the outer side of a pipeline, and a knocking structure arranged on the annular seat and used for knocking the pipeline. The knocking structure comprises a knocking hammer arranged on one side of the annular seat and used for contacting the outer side of the pipeline, and a reciprocating assembly arranged on the annular seat and used for moving the knocking hammer back and forth. The concrete conveying pipeline anti-blocking device is designed in combination of the base, the annular seat, the clamp and the knocking structure, can move the knocking structure to the area in the pipeline which is prone to be blocked and knock the area in a targeted manner, can reduce invalid vibration of other parts, thereby reducing the risk of pipeline abrasion and damage, and can focus on the area in the pipeline which is most prone to be blocked, and thus the anti-blocking efficiency is improved.

The anti-blocking cyclone separator comprises a cylinder section, an inverted cone section and an anti-blocking assembly, gas containing particles enters the cylinder section from a gas inlet pipe, the gas flows along the inner wall of the cylinder section and is guided to form a rotating vortex, and the gas flows downwards towards the inverted cone section in a spiral shape along the cylinder section; the particles are thrown to the inner wall of the inverted cone section under the action of centrifugal force, the particles lose inertia force and fall to the discharging pipe along the wall face, radial airflow in the center spirally rises to enter the exhaust pipe and is discharged, the piston rod is driven to retract, the rod portion of the piston rod drives the scraping sleeve to move downwards, and the outer edge of the scraping sleeve moves downwards along the inner wall of the discharging pipe; residues on the inner wall of the discharging pipe are swept into the material box, particles are scraped into the material box, the piston rod drives the scraping sleeve to automatically scrape along the inner wall of the discharging pipe, blockage is effectively broken, the residual particles are collected, the separation efficiency is kept in continuous operation, the shutdown maintenance requirement is reduced, and the working efficiency of the cyclone separator is improved.

The utility model relates to the technical field of PCB (Printed Circuit Board) cleaning, and discloses an efficient cleaning device for a PCB, which comprises a cleaning box, a flow dividing pipe is arranged on a mounting block at the upper end of the middle position of the inner side wall of the cleaning box, and a spray head connected with the output end of the flow dividing pipe is novel in structure. A transmission wheel is installed at the input end of the sprayer and connected with a screw, the screw is in threaded fit with an internal thread sleeve, the internal thread sleeve is connected with a piston, and a sealing block is arranged at the air inlet end. In actual use, the first motor serves as a power source, and the rotating speed can be flexibly adjusted according to actual cleaning requirements. The motor runs to drive the transmission wheel, the transmission wheel transmits power to the screw rod, and when the screw rod rotates, the internal thread sleeve in threaded connection with the screw rod can do linear motion in the spray head, and then the piston is driven to move front and back. Through linkage of the mechanical structure, the pressure applied to the cleaning liquid by the piston can be accurately and continuously adjusted.

The utility model discloses a reamer bit for breaking a PE / PVC (polyethylene / polyvinyl chloride) hole sealing pipe of an underground coal mine hydraulic underground drill rig, which comprises a cylindrical drill bit body, the rear end of the drill bit body is connected with the end of a fishing drill rod, and at least five rows of alloy sawteeth are uniformly distributed on the outer wall of the drill bit body at equal angles in the circumferential direction. The heights of each row of alloy sawteeth are sequentially arranged from front to back and from low to high, the distance between the tooth tip of each alloy sawtooth with the low height and the axis of the drill bit body is smaller than the radius of the inner circumference of the hole sealing pipe, and the distance between the tooth tip of each alloy sawtooth with the high height and the axis of the drill bit body is larger than the radius of the outer circumference of the hole sealing pipe. According to the reamer bit, the alloy sawteeth distributed on the side face of the bit body are utilized, the reamer bit is rotated through a drilling machine, sharp sawtooth alloy makes full contact with a PE / PVC hole sealing pipe, and the PE / PVC hole sealing pipe from the hole opening of a drilled hole to the interior of the hole can be rapidly and effectively broken.

The application provides a method for aluminum alloy powder chlorination film breaking activation sintering densification, and relates to the technical field of aluminum alloy powder metallurgy.The method introduces trace stannous chloride into 7xxx series aluminum alloy powder, so that the stannous chloride is dispersed and attached to the surface of powder particles;in the subsequent sintering process, the stannous chloride reacts with the aluminum oxide film on the surface of the powder particles to generate volatile AlCl3, the oxidation film is changed from a continuous distribution state into several nanometer scale aluminum oxide particles, the atomic migration ability and sintering neck growth behavior between particles are enhanced, and pressureless efficient full densification sintering of the aluminum alloy powder is realized.The application solves the problem that the sintering densification of 7xxx series aluminum alloy powder is difficult due to the stability of the surface oxidation film, has simple process and simple operation, is low in cost and high in efficiency, can be used for preparing lightweight aluminum alloy structural materials with high density and high strength, and is beneficial to industrial large-scale production and application promotion.