30results about How to "Entry does not affect" patented technology

The invention relates to the technical field of wastewater treatment, and in particular, relates to an environment-friendly steel mill wastewater treatment method. Wastewater treatment equipment is used in the method. The wastewater treatment equipment is used for carrying out environment-friendly treatment on steel mill wastewater, and environment-friendly treatment comprises a plurality of processes of precipitation treatment, sewage discharge, precipitate discharge and the like; the wastewater treatment equipment is connected with a butterfly valve and a spiral conveyor by utilizing a metalripple compensator; the two ends of the spiral conveyor penetrate through a first limiting groove and a second limiting groove correspondingly; a handle is used for rotating an adjusting screw rod; the adjusting screw rod drives the end, provided with a motor, of the spiral conveyor to move upwards through a traction rope. The inclination angle of the spiral conveyor can be adjusted conveniently,the end, provided with the motor, of the spiral conveyor can be warped upwards conveniently, the requirement for waterproofness of the end, provided with the motor, of the spiral conveyor is lowered,reduction of the production cost is facilitated, the replacement frequency of waterproof parts is reduced, and management is facilitated.

The invention discloses a hot air conveying device of non-woven fabric production equipment, which comprises a purification box body, a rotating shaft is movably connected to the middle position of the top of the purification box body, the rotating shaft extends into an inner cavity of the purification box body, a filter screen is fixedly connected to the bottom of the rotating shaft, a nano-silver ion layer is arranged on the inner wall of the filter screen. an activated carbon layer is arranged on the inner wall of the nano-silver ion layer, brush plates are fixedly connected to the left side and the right side, opposite to the filter screen, of the inner wall of the purification box body, a rotating disc is fixedly connected to the top of the rotating shaft, and a steam driving mechanism is fixedly installed on the left side wall of the purification box body. When the filter screen rotates, a rotary drum can be driven to continuously rotate relative to the inner wall of a dust collection shell, and when the rotary drum rotates, a scraper blade can be driven to synchronously rotate, so that impurities swept to the upper surface of the dust collection shell are continuously scraped away and fall into an inner cavity of the dust collection shell through a groove hole, dust can be conveniently and uniformly collected, and dust in the inner cavity of the dust collection shell can be conveniently and timely cleaned through a dust outlet.

The invention relates to a wet dust removal system for a sweeping vehicle. The wet dust removal system includes a power system, an air circulation system and a spraying system which are installed on the sweeping vehicle. A dust box is installed on the sweeping vehicle, and the bottom of the dust box is provided with a suction pipe. The air circulation system includes a fan connected with the powersystem. An inlet of the fan is communicated with the dust box through a first connecting pipe. The spraying system includes a spraying pipe for spraying water inside the dust box. The spraying pipe is connected with a water inlet pipe, and the water inlet pipe is connected with a front water tank through a water pump. The fan and the front water tank are mounted on the sweeping vehicle. The fan is driven by the power system to rotate to suck away air in the dust box, swept garbage enters the dust box through the suction pipe, the air sucked away is directly discharged into the atmosphere, theentry of the garbage is not affected, and no dust box space is occupied. The water pump is driven by the power system to pump water from the front water tank and convey the water to the spraying pipefor spraying, to form the wet dust removal system and effectively prevent secondary flowing dust pollution.

The invention relates to a minimally invasive spinal canal dilatation cutting tool, which comprises a drilling tool, a cutting tool, a bone grinding tool, a dilatation tool, screws and a positioning guide rod which are matched with one another, wherein the drilling tool, the dilatation tool and the screws are provided with through holes, and the drilling tool comprises a drill bit; the cutting tool comprises a cutting knife, and the bone grinding tool comprises a bone grinding mechanism; the dilatation tool comprises a dilatation mechanism, and the drilling tool also comprises a fastening strip; and the cutting tool also comprises a first bayonet, and the bone grinding tool also comprises a second bayonet. The surgical tool is applied to new minimally invasive spinal stenosis dilatation and is used for cutting off, lengthening and re-fixing the pedicle bone. All tools operate in a bore with a diameter of about 5mm and are used for cutting off, lengthening and re-fixing the pedicle bone from the inside out and expanding the canalis vertebralis. The minimally invasive spinal canal dilatation surgery is realized, the wound surface of a patient is small, the period of recovery from surgery for the patient is greatly shortened, and the surgery cost is low.

The invention discloses a wind power drying device for a food processing production line. The wind power drying device comprises a drying bin and a mounting table. The wind power drying device for the food processing production line has the beneficial effects that air sucked into a heating box is filtered through a medium efficiency filter, the cleanliness of drying wind power is improved, dust pollution to food in the drying process is reduced, meanwhile, guide plates in the heating box are distributed in a staggered mode, the air flowing path is increased, the contact time of the air and a primary heating wire is prolonged, the air outlet temperature is improved, the heating efficiency is improved, and the drying efficiency is improved; and in addition, dried hot air penetrates through a conveying mesh belt, a mounting table and activated carbon to enter the lower portion of the drying bin, is conveyed back into an air box again by a conveying pump, is heated by a secondary heating wire and then is blown out through an axial flow fan again, the hot air is recycled, waste heat of the hot air is fully utilized, energy waste is reduced, energy consumption is reduced, and more energy conservation and environmental protection are achieved.

The invention relates to the technical field of air valves and discloses a fast-sucking slow-discharging type air valve with a filtration function. The fast-sucking slow-discharging type air valve with the filtration function comprises an air valve main body and a valve assembly. A valve opening of the air valve main body is connected with the valve assembly. The valve assembly comprises a valve body. A valve body inner cavity is an S-shaped runner, and the valve body is divided into a left cavity and a right cavity. The two ends of the S-shaped runner are correspondingly provided with an airvalve main body connector and a pipeline connector which are not in the same cavity. A filter barrel is further arranged in the cavity provided with the air valve main body connector. The fast-suckingslow-discharging type air valve is suitable for being arranged in a pipeline provided with a service valve, a filter does not need to be arranged for the air valve independently, all original functions of the air valve are achieved, the air valve is provided with a filter, the runner in the valve assembly is in an S shape, resistance to water is large, resistance to air is small, air dischargingis facilitated, water draining is not facilitated, the ejection phenomenon of gas-liquid two-phase flow at the closing moment of the air valve can be reduced or avoided, and fast sucking and slow discharging functions of the air valve are enhanced.

The invention discloses a washing and drying integrated machine and a control method thereof, and belongs to the technical field of clothes drying. The control method of the washing and drying integrated machine comprises the following steps: arranging a switch device at the position where an outer drum is connected with a condenser; during washing or rinsing, switching off the switch device, andstopping communication between the outer drum and the condenser; and during drying, switching on the switch device, and communicating the outer drum with the condenser. The washing and drying integrated machine adopts the control method of the washing and drying integrated machine. Due to arrangement of the switch device, during washing or rinsing, the outer drum does not communicate with the condenser, water in the outer drum is prevented from entering the condenser, water consumption in washing and rinsing stages is reduced, and the water-saving effect of the whole machine is realized; and during drying, the outer drum does not communicate with the condenser, moist air in the outer drum is not influenced to enter the condenser, and drying is smoothly realized.

The invention relates to the technical field of air valves, and discloses an air valve unit with functions of maintenance, filtering and reverse cleaning. The air valve unit with the functions of maintenance, filtering and reverse cleaning comprises an air valve, a filter, a first on-off mechanism, a second on-off mechanism, and T-shaped pipes. Both ends of each T-shaped pipe are a pipe connectionopening and an impurity sewage outlet respectively. The air valve is connected with the upper ends of the T-shaped pipes. The filter is a double-layer filter cartridge. The filter cartridge is fixedat the lower end of the air valve, and the length of the filter cartridge covers a valve opening of the air valve. The ports of the filter cartridge used for receiving impurities corresponds to the pipe connection opening and the impurity sewage outlet respectively, and port diameter is larger than diameter of the T-shaped pipe. The first on-off mechanism is arranged on the T-shaped pipe between the filter cartridge and the pipe connection opening. The second on-off mechanism is arranged on the T-shaped pipe between the filter cartridge and the impurity sewage outlet.

The invention discloses a supercharger with the function of preventing fine scrap iron from entering. The supercharger comprises a supercharger main body and an intermediate body, and the intermediatebody is fixed to the middle part of the supercharger; an oil inlet is formed in the middle part of the intermediate body, and the oil inlet penetrates through the intermediate body, and communicateswith a lubricating oil passage on the supercharger main body; and the inner wall of the oil inlet is magnetically connected with a strong magnetic ring. According to the supercharger with the functionof preventing fine scrap iron from entering, through arrangement of the strong magnetic ring in the improved oil inlet, scrap iron doped in oil is adsorbed through the strong magnetic ring; not onlycan the scrap iron doped in lubricating oil be filtered out and prevented from entering the lubricating oil passage, but also the influence on the lubricating oil entering the oil inlet is not affected; and the oil feeding smoothness is guaranteed. The supercharger is simple in structure, convenient in installation, obvious in effect and easy maintenance and cleaning, the situation that the scrapiron enters the lubricating oil passage and consequently a floating bearing is damaged is effectively avoided, and troubles and losses caused by damage of the supercharger are greatly reduced.

The invention discloses an oil tank liquid level control exhaust valve with low dynamic leakage amount, and belongs to the field of exhaust valves. The oil tank liquid level control exhaust valve comprises a valve body, a shell arranged on the outer side the valve body in a sleeving mode and a float assembly located in an inner cavity of the valve body. A gas inlet is formed in the side surface ofthe shell, an exhaust port I is formed in the side surface of the valve body, an oil baffle plate is arranged above the gas inlet, and the oil baffle plate is disposed between the side surface of theshell and the side surface of the valve body; and the two side surfaces of the oil baffle plate are separately attached to the side surface of the valve body and the side surface of the shell, the two ends of the oil baffle plate separately extend in the circumferential direction of the valve body, the length of the oil baffle plate is greater than the length of the exhaust port I in the circumference direction of the valve body, and the exhaust port I is located above the oil baffle plate. According to the technical scheme, the dynamic leakage amount of the valve can be effectively reduced,the anti-leakage structure is simple, and manufacturing is simple.

The invention discloses a novel pickling and oil removing device for a guide pipe, and relates to the technical field of guide pipe part surface treatment. The novel pickling and oil removing device for the guide pipe comprises a frame, a first positioning mechanism and a second positioning mechanism, the first positioning mechanism is arranged in the frame and used for positioning and mounting the bottom of the guide pipe, the second positioning mechanism is arranged in the frame, the second positioning mechanism is located above the first positioning mechanism, the second positioning mechanism is used for positioning and mounting the tops of the guide pipes, a plurality of guide pipes can be installed between the second positioning mechanism and the first positioning mechanism, and intervals are formed between the guide pipes. The device has the advantages that the use of aluminum wires can be reduced, and the pickling solution can be in full contact with the guide pipe, so that the pickling and oil removing effects on the guide pipe are ensured.