14results about How to "Realize safe production" patented technology

The invention discloses a preparation method of invasive biological compost carbon and application of the invasive biological compost carbon in selenium-rich low-carbon safe production of arsenic-polluted soil. The invasive biological compost carbon is developed by utilizing an invasive plant mikania micrantha and an invasive animal pomacea canaliculata, can be used for planting rice on arsenic-polluted soil, and has the effects of passivating soil arsenic, reducing enrichment of arsenic in each part of the rice and enhancing absorption, transportation and accumulation of selenium. The selenium-rich and low-carbon safe production of crops in the arsenic-polluted soil is realized, and an effective technology is provided for guaranteeing the soil ecological environment and agricultural safe planting. Meanwhile, diffusion and spreading of invasive plants and invasive animals are inhibited to a certain extent, the invasive plants and the invasive animals are recycled, resource waste is reduced, and a new path is provided for prevention and treatment of invasive organisms.

The utility model provides a kind of flat blast furnace casthouse, including the blast furnace and iron tapping channel being arranged in workshop, blast furnace is arranged in the side in workshop, the bottom surface of workshop is inclined downward from the position where blast furnace is arranged, and the gradient does not exceed 1%; iron tapping channel includes the main iron channel being connected in the tapping hole of blast furnace and being inclined downward, and the gradient does not exceed 2%, the end of main iron channel is connected with the branch iron channel being inclined downward, and the gradient does not exceed 2%, the slag channel being inclined downward is connected on main iron channel, and the gradient does not exceed 2%; concrete enclosure structure is arranged in the other side of workshop, main iron channel, slag channel, branch iron channel are arranged in concrete enclosure structure, dust removal device is arranged in tapping hole. The bottom surface of the casthouse of the utility model tends to be flat, greatly reduces the gradient of iron channel and slag channel, makes molten iron flow more stable, smoke dust is blocked in concrete enclosure structure, reduces environmental pollution.

The invention belongs to the technical field of coke oven gas purification, and particularly relates to an environment-friendly and efficient oxidation process desulfurization regeneration tail gas treatment system and a method thereof.The system is characterized in that the system is a multi-stage step-by-step washing system and comprises an alkaline washing tower, an acid washing tower and a water washing tower, and a regeneration tail gas inlet pipe is connected to the bottom of the alkaline washing tower; primary washing tail gas at the top of the alkaline washing tower is connected with the bottom of the pickling tower through a pipeline, secondary washing tail gas at the top of the pickling tower is connected with the bottom of the water washing tower through a pipeline, a bleeder is arranged at the top of the water washing tower, the bottom of the bleeder is isolated from the interior of the water washing tower through a partition plate, and an overpressure return pipe is arranged between an outlet of the tail gas fan and the bleeder and provided with a switch valve. And a pressure gauge is arranged on an outlet pipeline of the tail gas fan and is in interlocking control with the switching valve. The method has the beneficial effects that the existing environmental protection standard can be met, ammonia in the tail gas can be recycled, no sewage is discharged, and the method has the characteristics of environmental protection, high efficiency, stable and reliable process and easiness in implementation and popularization.

The utility model provides a transfer mechanism. The transfer mechanism comprises a channel and a transfer mechanism, the tray is movably arranged on the channel; the manipulator is arranged corresponding to the channel; the protection assembly comprises a first trigger part, a detection part and a control part, the first trigger part is arranged on the channel, the detection part is arranged above the channel, the first trigger part is located on the side, away from the manipulator, of the detection part, and the control part is in signal connection with the detection part, the first trigger part and the manipulator; when the tray moves in the channel, the tray can trigger the first trigger piece, the control piece switches the detection piece to a stop state according to a trigger signal of the first trigger piece and controls the mechanical arm to be in an open state, and when a person moves in the channel, the person can trigger the detection piece to start the mechanical arm. The control piece controls the mechanical arm to be switched to the stop state according to a trigger signal of the detection piece. Through the technical scheme provided by the invention, the problem that a manipulator in the related technology may cause harm to people can be solved.

This utility model relates to the field of brushing machine technology, and more specifically, to a rotary brushing machine device with interchangeable single and dual workstations. It includes a frame, a feeding and transferring mechanism, a rotating material tray, a rotating lifting unit, an inner hole brushing unit, a flat brushing unit, and a discharging and transferring mechanism. The frame includes a frame, a cam divider, a speed-regulating motor, a fixed working plate, a display panel fixing plate, and a sealing element. The feeding and transferring mechanism is mounted on the frame, the rotating material tray is rotatably mounted on the fixed working plate, the speed-regulating motor is connected to the cam divider, the cam divider is connected to the rotating material tray, the sealing element is on the fixed working plate, the rotating lifting unit is fixedly mounted inside the frame, and the top of the rotating lifting unit passes through the sealing element and the rotating material tray. Both the inner hole brushing unit and the flat brushing unit are mounted on the fixed working plate, and the discharging and transferring mechanism is fixedly mounted on the frame. This device reduces the labor intensity of operators, saves labor costs, and achieves safe production. This utility model is mainly applied to rotary brushing machines.

The invention relates to a demagnetization device and a demagnetization method for electronic-grade chemical NMP. The demagnetization device comprises a liquid tank, an electric demagnetization component, a waste liquid tank and a delivery pump. The liquid tank and the electric demagnetization component are demagnetized by a delivery pump and a pipeline. The waste liquid tank and the electric demagnetization component are connected by a pipeline for removing magnetic substances after demagnetization. The demagnetization method comprises: (1) demagnetization: in a power-on state, the material is demagnetized by a magnetic medium net and then flows back into the liquid tank for continuous circulation; (2) back-blowing: in a power-on state, the material stops entering, and the nitrogen pressure pushes the material remaining at the bottom of the electric demagnetization cavity into the liquid tank; (3) flushing: in a power-off state, the material stops entering, and NMP enters the cavity to flush the magnetic substances attached to the magnetic medium net under pressure; (4) slag discharge: in a power-off state, the material stops entering, and the nitrogen discharges the magnetic substances after flushing into the waste liquid tank. The invention can improve the purity of NMP to meet the requirements of electronic grade of NMP.

The utility model relates to the technical field of clamps, and discloses a novel pneumatic self-locking clamping mechanism which comprises a first octagonal tube, a second octagonal tube, a third octagonal tube and a fourth octagonal tube which are symmetrical front and back. The third octagonal tube and the fourth octagonal tube are connected with positioning assemblies; the first octagonal pipe and the second octagonal pipe are each connected with a self-locking type pneumatic clamping assembly, a plurality of sets of vacuum adsorption assemblies and a position detection assembly. The front end and the rear end of the bottom of the gripper base are fixedly connected with the top of the first octagonal pipe. A product is adsorbed on the vacuum adsorption assembly through the vacuum adsorption assembly, meanwhile, the product is clamped, fixed and self-locked through the self-locking type pneumatic clamping assembly, clamping force is still provided under the condition that gas is cut off, the product falling risk is reduced through cooperation of the vacuum adsorption assembly and the self-locking type pneumatic clamping assembly, and the use safety is high; the structure is simple, the manufacturing cost is low, installation and debugging are convenient, the operation process is stable, and the failure rate is low.

The invention relates to the technical field of raise construction, in particular to an automatic gravity type raise drilling machine and a large-diameter raise construction method.The automatic gravity type raise drilling machine comprises a drilling machine body, a drilling machine drill rod is installed on the drilling machine body, a puncher is arranged at the bottom of the drilling machine drill rod, and the puncher comprises a drill bit, an upward reaming cutterhead and a downward reaming cutterhead; slag discharging holes are formed in the upward reaming cutterhead from bottom to top, and the downward reaming cutterhead is used for reaming; the reaming device has the technical effects and advantages that reaming operation from top to bottom is adopted in reaming of large-diameter raise construction, the feeding pressure needed by reaming can be met through the weight of the drill rod, energy is saved, consumption is reduced, efficiency is improved, the problem of drill rod breakage accidents caused by heavy loads of the drill rod is solved, and the drilling efficiency of the large-diameter raise construction is improved. Energy-saving, safe and efficient reaming is achieved.

The invention relates to the technical field of dismounting tools, in particular to a multifunctional pump coiling tool for a vertical fire pump and a using method thereof.The tool comprises a sleeve head, a universal connector and a horizontal rod, the upper end of the sleeve head and the lower end of the universal connector are fixed together, a through hole is formed in the upper end of the universal connector, and the middle of the horizontal rod is arranged in the through hole in a sleeved mode. The device is reasonable and compact in structure and convenient to use, the phenomenon that false information is filled out when the pump is coiled on time due to troubles is eradicated, post staff can coil the pump regularly according to a fire safety management method, and in the subsequent daily inspection process, due to the fact that the pump is coiled on time, the potential safety hazards such as water leakage of a water pump mechanical seal and abnormal pressure are found in time; the water pump is repaired and replaced, it is guaranteed that the water pump works normally in the fire disaster, it is guaranteed that fire-fighting equipment is in a good state all the time, safe production is achieved, and the cost and workload for replacing fan blades are reduced.

The invention relates to a guide and injection integrated structure, an electric field enhanced oil extraction method and a deployment well pattern. The guide and injection integrated structure comprises a shell, an electrode device and a water injection pipe. Holes are formed in the shell wall of the shell to serve as injection points for water to flow into a target oil layer; the electrode device at least comprises an electrode and is arranged in the shell; the water injection pipe penetrates into the shell, and a water injection hole is formed in the pipe wall of the water injection pipe and right faces the injection point. The guide and injection integrated structure can realize simultaneous conduction and water injection of an underground electrode, an electrochemical effect and Joule heat are applied to an underground oil reservoir, and a stratum direct-current electric field is established to influence a rock medium of saturated fluid, so that the electrochemical effect is generated in a stratum; and meanwhile, the direct-current electric field can generate Coulomb force and electric field force which are far greater than differential pressure force in the immediate vicinity of a wellbore, so that the effects of electroosmotic flow, electrowetting, Joule heat, electromigration and the like are generated in a stratum, and the aims of improving the physical property of a reservoir, changing the property of fluid and improving the recovery ratio of the oil reservoir are achieved.

A wind-driven air compressor with an anti-overspeed function relates to the field of wind energy utilization, and in particular to a wind-driven air compressor with an anti-overspeed function, which can generate compressed air using a wind-driven air compressor. The wind turbine comprises a horizontal axis wind turbine, comprising a horizontal axis wind wheel, a main shaft and a bracket, the bracket is rotatably connected to the main shaft, and one end of the main shaft is fixedly connected to the horizontal axis wind wheel; the characteristics are: it also comprises an anti-overspeed device, a speed-increasing transmission device and an air pump, the other end of the main shaft is connected to the air pump through the speed-increasing transmission device, an air pump is installed on the bracket, the bracket is rotatably connected to the upper end of the tower, the air pump is connected to the air storage tank in turn through a pipeline and a pneumatic rotary joint; the inner end of the movable cone sleeve is connected to the main shaft through a tension spring. The wind wheel is driven to rotate by wind power, and the wind wheel drives the air pump to work in turn through the main shaft and the transmission speed-increasing device, so that the safe production of compressed air is achieved without using electricity at all.

The utility model relates to the technical field of hydraulic seal, specifically disclose a kind of sealing failure detection device, including hydraulic actuator body, its side surface is equipped with shaft seal flange body, the lower end side surface of shaft seal flange body is fixedly connected with installation support plate, the side surface between the side surface of hydraulic actuator body and shaft seal flange body is fixedly installed with actuator seal, the side surface of shaft seal flange body is equipped with installation connecting cavity, the inner wall of installation connecting cavity is fixedly installed with sealing failure probe.The sealing failure detection device is provided with sealing failure probe and failure sensor electronic element, which realizes the identification of equipment seal failure before the leakage of hydraulic oil can be detected outside the equipment, helps equipment user to prevent a trouble in the bud, realizes safe production, identifies risk before risk occurs, helps to realize lean equipment maintenance, thereby effectively saves cost.

The utility model discloses a magnet assembling machine, and aims to solve the problem that the efficiency of the assembling mode is low because the magnet and a silica gel ring of the existing headphone are assembled manually with the assistance of a jig. The assembling machine comprises a divider rotating type station, a rotating shaft feeding assembly and a controller, a magnet installing area, a silica gel ring installing area and a discharging assembly are arranged on the outer side of the divider rotating type station, and magnets and silica gel rings are assembled when the divider rotating type station rotates to the magnet installing area and the silica gel ring installing area. When the automatic feeding device is used, feeding can be automatically completed only by pouring rotating shaft materials into the rotating shaft feeding vibration disc, then the divider rotary station drives the rotating shaft to rotate, and the actions of dispensing, magnet mounting, silica gel ring mounting, magnet polarity detection and discharging are automatically completed, so that the labor intensity of workers is relieved, safe production is effectively achieved, and the production efficiency is improved. And the production efficiency is improved.

The utility model discloses a kind of mine water residue separation automatic blowout preventers, including separation tank, pumping hole, composite blowout preventer and blowout preventer pipe, separation tank is equipped with the screening assembly for separating water and residue, water and residue after being separated by screening assembly are discharged from separation tank, pumping hole is arranged on separation tank, for discharging gas in separation tank, composite blowout preventer is used to guide water and residue into separation tank, blowout preventer pipe realizes airflow intercommunication of separation tank and composite blowout preventer;The mine water residue separation automatic blowout preventer combines two major functions of water and slag automatic separation and gas blowout hole protruding automatic blowout into one, realizes the purpose of safe production, environmental health, reduces labor intensity.