31results about How to "Avoid continuous accumulation" patented technology

The invention discloses an air purifier. The air purifier structurally comprises a base, a key, an outer frame, and an ozone dust-preventing device; after a convex block ejecting plate is subjected tovibration impact, in the cooperation of vibration of an auxiliary compression rod, a vibration linkage rod and the inner wall of a vibration connection pipe continuously impact to drive a filter screen to vibrate, dust is spread into air, at the moment, a dust collector is used for preliminarily sucking the filter screen, so that the problem that when the air is purified, a large amount of dust is accumulated is solved, the cruising ability of the purifier is improved, and the purification efficiency is improved after cleaning; and when ozone is generated, an electromagnet pushes a heat transmission rod to slide leftwards together with a movable switch, a sliding electric heating device is started, a heating wire and a conduction convex block are heated at the same time, the heating wireis of a spiral net structure, so that the effect of reducing a through hole is achieved, and overflow of the ozone is avoided; and meanwhile, the temperature of a constant-temperature straight rod isa constant-temperature sixty DEG C, the ozone is timely removed on the premise of not blocking the purifier and in a mode of air contact heating, so that continuous accumulation of the ozone is prevented.

The invention relates to a dispersive sewage multilayer soil ecological treatment device which comprises a raw water tank, a first sedimentation tank, a contact oxidation tank, a biological filter tank, a second sedimentation tank, a flow regulating tank, a soil treatment tank and a water collection tank which are connected in sequence,, wherein the raw water tank, the contact oxidation tank, the biological filter tank, and the soil treatment tank are respectively connected to an air blower, and the soil treatment tank comprises a tank body, a water distributing pipe, a water passing layer, a soil layer, a ventilation layer, an air layer, a quartz sand layer, a cobblestone layer and a water collecting pipe. A treatment method comprises the following steps of: (1) lifting sewage to the first sedimentation tank for anaerobic sedimentation after collecting the sewage by using the raw water tank; (2) entering the contact oxidation tank, and then making discharged water pass through the biological filter tank; (3) after passing through the second sedimentation tank, making the discharged water enter the flow regulation tank, and then delivering the discharged water to the soil treatment tank; and (4) intermittently performing water intake and ventilation on the soil treatment tank. The invention effectively improves the osmotic coefficient of a soil layer, the hydraulic loading is up to above 2.0-8.0m and is increased by dozens of times higher than the traditional soil treatment method, and the treatment efficiency is obviously improved.

The invention discloses a drying device for a powder material for biochemical engineering, and belongs to the field of drying of biochemical engineering materials. The drying device for the powder material for biochemical engineering comprises a drying box, electric heating plates are fixedly arranged on the inner wall of the drying box, and a storage disc is fixedly arranged at the lower portion of the interior of the drying box. Three conveying pipes which perpendicularly communicate with one another are laid in the drying box, the conveying pipes communicate with the storage disc and the upper portion of the interior of the drying box, in cooperation with rotation of spiral conveying blades, the powder material stored on the storage disc is continuously and effectively conveyed upwards and then scattered down from a discharging opening, so that caking caused by long-time standing of the powder material is conveniently avoided, meanwhile, a dispersing assembly is installed above the storage disc, scattered powder can be fully scattered through screening of the dispersing assembly, the heating effect is improved through contact with the dispersing assembly, and the drying efficiency effect of the device on the powder material can be better improved.

The invention discloses a camera mounting support with an insect trapping function. The mounting support comprises a support body, a left-and-right rotating shaft is arranged on the upper surface of the support body in a connected manner, a mounting bottom plate is arranged on the lower surface of the support body, an insect trapping lamp is arranged on the side face of the support body, a cavity in interference fit with a left-and-right rotating disc is arranged in the support body, and the left-and-right rotating disc is a disc; the center of the left-and-right rotating disc is connected with one end of a left-and-right rotating shaft, and the other end of the left-and-right rotating shaft is connected with the middle of the lower surface of a mounting clamping sleeve; a U-shaped mounting groove is formed in the mounting clamping sleeve, and can be in interference fit with a camera, and up-and-down rotating shafts are oppositely arranged on two side faces of the U-shaped mounting groove; and the camera mounting support has the beneficial effects that the insect trapping function is achieved, winged insects can be trapped to leave a lens of the camera, the winged insects can be prevented from sheltering the lens, and the video picture recording quality of the camera is ensured; and through a connecting hole in the center of the left-and-right rotating disc, the left-and-right rotating shafts and the left-and-right rotating disc are in threaded connection, the aim that under the condition that the support body is not detached, the camera is replaced can be achieved, and daily maintenance is facilitated.

The invention discloses a protection type multi-angle welding device for steel machining, and belongs to the technical field of steel machining and welding. The protection type multi-angle welding device comprises a rack, a direction adjusting mechanism is fixedly connected to the bottom of the rack, clamping mechanisms are arranged on two sides of the direction adjusting mechanism correspondingly, and a laser welding mechanism is arranged on one side of an inner cavity of the rack; and one side of the bottom of the laser welding mechanism is connected with a clearing mechanism, one side of the top of the laser welding mechanism communicates with a cooling mechanism, the cooling mechanism is arranged at the top of the rack, ventilation door mechanisms are arranged at openings in the two sides of the rack correspondingly, and the direction adjusting mechanism comprises a base and a fixed seat. By arranging the direction adjusting mechanism, the limiting and supporting effects after fixing are effectively improved, the stability and angle adaptability required by laser welding are met, the welding precision is effectively improved, the weld joint completeness of weldment after welding is guaranteed, generation of thermal stress is reduced, and the precision and integrity required by protection type steel welding machining are guaranteed.

The invention discloses a portable mobile phone wireless charger with an overheat protection device, belongs to the field of mobile phone wireless chargers. According to the portable mobile phone wireless charger with the overheat protection device, when the temperature of a charging module is too high, an energy supply circuit of the charging module is cut off, and power supply work is stopped, which is the first protection of the scheme; when the first protection cannot play a role, the control terminal cuts off the energy supply circuit of the electromagnet and ejects the mobile phone mainbody out of the wireless charger main body under the action of the compression spring in a compressed state, which is the second protection of the scheme; when both the first protection and the secondprotection cannot play a role normally, the overheating protection pile which expands when heated acts on the placing frame to eject out the mobile phone main body and disconnect wireless charging, which is the third protection of the scheme, the charging safety of the wireless charger is improved through the three protections, and battery safety accidents are not easy to induce.

The invention relates to a prefabricated cabin and a cabin roof thereof. The prefabricated cabin includes a cabin body and the cabin roof located above the cabin body, the cabin roof includes a cabinroof skeleton, a cabin roof cover fixed to the upper side surface of the cabin roof skeleton and an insulation board fixed to the lower side surface of the cabin roof skeleton, and a heating device isarranged in an interlayer space between the cabin roof cover and the insulation board. The heating device is arranged in the interlayer space between the cabin roof and the insulation board to heat the cabin roof cover, the temperature of the cabin roof cover is increased after the cabin roof cover is heated, and the heat is transferred to ice and snow on the cabin roof cover so that the ice andsnow melts away, so that the ice and snow is prevented from continuously accumulating on the cabin roof cover; and the operation process requires no labor, the melting effect is good, and use is convenient.

The invention provides a negative electrode and a lithium secondary battery comprising the same. The negative electrode comprises a current collector, a first negative electrode active material layer and a second negative electrode active material layer, wherein the first negative electrode active material layer is formed on at least one surface of the current collector, and comprises a mixture of natural graphite and artificial graphite as a negative electrode active material and a first adhesive; and the second negative electrode active material layer is formed on the first negative electrode active material layer and includes a phosphorus-carbon composite as a negative electrode active material and a second binder. According to the invention, the phosphorus-carbon compound which has high energy density and excellent Li<+> conductivity and contains an organic coating on the surface is used as the negative electrode material, and the lithium ion secondary battery with high energy density, fast charge characteristic and excellent service life can be prepared by adopting the design of a double-layer negative electrode structure.

The invention discloses a system and method for biomass fuel production. The system comprises a drying system, a smashing system and a pelletizing system. The discharging end of the drying system communicates with the feeding end of the smashing system through a pipeline. The discharging end of the smashing system communicates with the feeding end of the pelletizing system through a pipeline. Thedrying system comprises a drying drum body, a multi-level cyclone separation device, a first air guide pipe, a second air guide pipe and a multi-level dust settling chamber. A roller body is arrangedinside the drying drum body, and one end of the roller body communicates with the multi-level cyclone separation device through the first air guide pipe. The multi-level cyclone separation device communicates with the multi-level dust settling chamber through the second air guide pipe. Transferring is achieved through a hoister among all the systems, and the automatic production process from woodchip raw materials to final products can be facilitated. Meanwhile, materials can communicate through the pipelines for transferring in the whole production process, raised dust produced by the materials can be avoided, environmental pollution is reduced and explosion potential safety hazards caused by the high dust content in the air in production are lowered.

The invention relates to a reamer suitable for precision hole machining. The reamer comprises a handle part and a cutting part which are integrally formed, wherein the handle part and the cutting partare sequentially arranged in the direction from right to left, the cutting part comprises outer circular blades, end blades and chip removal grooves, the outer circular blades and the chip removal grooves both extend in a spiral line or a straight line around the outer side wall of the cutting part and are arranged alternately, the outer circular blades extend to the end surface of the cutting part to form the end blades, the at least one end blade is an avoiding tooth, namely, the at least one end blade is provided with a chamfered avoiding section which extends in the radial direction of the at least one end blade until extending to the peripheral side wall of the cutting part. In this way, chips are facilitated to be timely guided into the chip removal grooves and smoothly discharged,so that the situation that the chips are continuously accumulated on the cutting end surface is avoided, the vibration amount of the reamer itself is reduced, the roughness height of the hole wall ofa formed hole can be further effectively reduced, in addition, the contact surface of the reamer itself and the bottom surface of the bottom hole is effectively reduced, the cutting process is lighterand faster, and the requirement for the power of a reaming machine tool is reduced.

The invention provides water conservancy project power supply equipment based on the Internet of Things. The water conservancy project power supply equipment structurally comprises a base, a supporting seat, a power generation box, a partition plate, a connecting end and a drainage groove, the upper end of the base is fixedly connected with the bottom of the supporting seat, the outer side of the power generation box is fixedly connected with the partition plate, and the connecting end is electrically connected to the top end of the power generation box; and the drainage groove is embedded at the bottom of the power generation box and is in communication with the power generation box. According to the water conservancy project power supply equipment, the water conservancy project power supply equipment continuously rotates in water flow through water flow thrust to generate power, and meanwhile a protection device connected with the equipment can be driven to rotate; furthermore, the protection device can remove continuously squeezed impurities through a removal shaft of the protection device while rotating, and partition layers are arranged at the two sides of the removal shaft, so that the impurities can be prevented from influencing the removal shaft while being squeezed in; and therefore, the protection device can effectively prevent the power supply equipment from running in the water flow and a power generator in the power supply equipment from being influenced by the reason that the impurities pass through the water flow.

The invention discloses a simple improvement device for an airflow mill filter. The simple improvement device comprises a first-level cyclone separator and nano-level filters. The simple improvement device further comprises at least one second-level cyclone separator. The second-level cyclone separators are connected between the first-level cyclone separator and the nano-level filters in series. The simple improvement device further comprises magnets arranged at the outer portions of the second-level cyclone separators. According to the simple improvement device for the airflow mill filter, a strong magnetic field is exerted on the second-level cyclone separators, on one hand, ultrafine powder entering the second-level cyclone separators is magnetized and gathered, the weight of single powder is increased, and therefore the powder can be better separated; and on the other hand, through the strong magnetism environment, the centripetal force and the flowing speed of the ultrafine powder are reduced under the action of magnetic force, the powder cannot ascend along with airflow, the separation effect is improved, and most of ultrafine powder is prevented from entering the nano-level filters.

The invention relates to a machine control method, device and system and a storage medium, and the method comprises the steps: monitoring the value of a maintenance parameter of a machine in a working state, and judging whether the machine needs to be maintained or not according to the value of the maintenance parameter; controlling the machine needing to be maintained to execute maintenance operation, monitoring the value of the maintenance parameter of the machine after the maintenance operation is finished, and judging whether the machine is maintained or not according to the value of the maintenance parameter; and performing maintenance parameter resetting operation on the machine which is judged to be not maintained. According to the control method, device and system of the machine and the storage medium, continuous accumulation of the maintenance parameters due to the fact that the maintenance parameters of the machine are not reset can be avoided, so that the situation that the maintenance scheduling system is mistakenly triggered to switch the machine into the maintenance state is avoided, and confusion of the production cycle is avoided; and the working efficiency of the machine table is improved while the machine table is correctly and effectively maintained.

The landscape river ecological plant purification structure comprises a river slope protection and a main supporting and mounting structure of the device, a planting groove is formed in the top surface of the river slope protection, and a partition plate is arranged at the bottom of the planting groove; the mounting frame is located at the top end of the partition plate, the left end and the right end of the mounting frame are connected with the inner surface of the riverway slope protection, an impurity filter screen is arranged in the mounting frame, guide grooves are pre-formed in the upper end and the lower end of the mounting frame, and guide rails are connected into the guide grooves; the cleaning roller is located on the outer surface of one end of the mounting frame, and sliding blocks are arranged at the upper end and the lower end of the cleaning roller. According to the landscape river ecological plant purification structure, in the rotating process of the cleaning roller, the cleaning roller slides into pores of the impurity filter screen through the rubber rope, impurities in the impurity filter screen can be crushed, pollution caused by accumulation of the impurities on the outer surface of the impurity filter screen is avoided, the filtering effect of the impurity filter screen is guaranteed, and therefore the river ecological environment is improved.

The invention provides a robot and a power-off compensation method thereof, a device with storage function. The method comprises the following steps: acquiring a shaft torque of the robot when receiving a power-off command; calculating the offsets of the respective axes after power-off according to the respective shaft moments and the corresponding parameter information; performing power-off compensation on each axis according to the offsets of the respective axes. Through the above method, the offset of each axis after power failure is quickly compensated, the wear of the bearing during powerfailure is greatly reduced, and the stability of the robot is improved.