5results about How to "Avoid dredging" patented technology

The invention discloses a device for improving the dredging capacity of a pump station in the tunnel sewage disposal and diversion process, and belongs to the technical field of tunnel sewage disposal and diversion. The device comprises a high-pressure air pipeline arranged outside a pump station sedimentation tank, at least one set of desilting air pipe is arranged at the bottom of each pump station sedimentation tank, the desilting air pipe comprises a desilting main air pipe, one end of the desilting main air pipe is communicated with the high-pressure air pipeline, a valve is arranged on the desilting main air pipe, and the desilting main air pipe is communicated with the high-pressure air pipeline. The other end of the dredging main air pipe at least communicates with a first dredging branch air pipe and a second dredging branch air pipe, the first dredging branch air pipe and the second dredging branch air pipe are symmetrically arranged in a square shape, and the tail end of the first dredging branch air pipe and the tail end of the second dredging branch air pipe are both closed; and a plurality of ventilation holes are formed in the pipe walls of the first desilting branch air pipe and the second desilting branch air pipe. The device is simple in structure and can be used for quickly and effectively cleaning sediments in the sedimentation tank of the pump station, so that the desilting capacity of the pump station is improved.

This utility model discloses a self-aeration sludge discharge pipe device and a sludge discharge pipeline structure. The self-aeration sludge discharge pipe device includes a sludge discharge pipe, within which an anti-clogging air pipe is installed for aeration. The anti-clogging air pipe has aeration holes on its wall, and microporous aeration membranes are installed at the aeration holes. The anti-clogging air pipe is connected to an external air source via an air supply pipeline. The air supply pipeline includes an automatic valve for controlling the opening and closing of the air supply pipeline. The automatic valve and the air source are connected to a control device that controls the opening and closing of the automatic valve and the start and stop of the air source. This utility model integrates an anti-clogging air pipe within the sludge discharge pipe and connects it to an air source via an air supply pipeline, thereby allowing for staged air flushing of the sludge discharge pipe, effectively reducing the probability of clogging and avoiding the need for unclogging after blockage.

The utility model discloses a mobile phone middle plate die-casting die exhaust structure which comprises a lower fixing plate and an ejector plate, the ejector plate is arranged at the top end of the lower fixing plate, a male die plate is arranged at the top end of the ejector plate, a female die plate is arranged at the top end of the male die plate, and an upper fixing plate is installed at the top end of the female die plate. An upper mold body is installed at the center position in the female mold plate, a lower mold base is installed at the center position in the male mold plate, a runner is formed in the lower mold base and extends into the male mold plate, and positioning plates are installed on the outer walls of the two sides of the male mold plate. According to the exhaust structure of the mobile phone middle plate die-casting die, the mobile phone middle plate die-casting die can be conveniently demolded to take out a product, multi-structure limiting supporting of the die-casting die is facilitated, convenient air suction and exhaust are facilitated, reverse blowing is facilitated to dredge an air channel, and the air channel is prevented from being blocked.

The utility model relates to the technical field of spraying devices, in particular to a uniform spraying device. According to the technical scheme, the device comprises a plate body, an anti-blocking mechanism and a driving mechanism, the anti-blocking mechanism is fixedly mounted in the center of the top of the plate body and comprises a filter box, a mounting plate is fixedly mounted at the bottom in the filter box, multiple groups of vibrators are mounted in the mounting plate at equal intervals, and a water pump is fixedly mounted at the top of the filter box through a pipe fitting. According to the utility model, the ultrasonic generator is electrified to operate to generate a high-frequency mechanical oscillation signal, the high-frequency mechanical oscillation signal is transmitted into the vibrator through the wire, the vibrator converts the high-frequency mechanical oscillation signal into high-frequency mechanical vibration, and the high-frequency mechanical vibration is transmitted into the filter box through the mounting plate; the medicament in the filter box can be fully combined with a water source, so that the atomization spray head is prevented from being blocked by particles in the medicament, and the function of preventing the atomization spray head from being blocked is realized.

The utility model relates to the technical field of bait casting devices, and discloses a bait casting device with an anti-blocking function, which comprises a bait casting device body, a base is arranged at the bottom of the bait casting device body, the top of the bait casting device body is communicated with a blanking pipe, the top of the blanking pipe is communicated with a stock bin, and the stock bin is communicated with a feeding pipe. A transmission box is fixedly connected to the top of the stock bin, a first gear motor is fixedly installed at the top of the transmission box, the output end of the first gear motor penetrates into the transmission box and is fixedly connected with a transmission rod, and a transmission disc is fixedly connected to the top of the surface of the transmission rod. According to the anti-blocking fish bait feeding device, through mutual cooperation of the first gear motor, the first sliding rod, the spiral blade, the arc-shaped sliding groove and the like, blocked fish bait can be dredged, the phenomenon that the fish bait blocks the interior of the feeding pipe is avoided, the situation that the feeding pipe needs to be dredged through a tool is avoided, trouble and labor are saved, and the anti-blocking advantage is achieved.