72results about How to "Guaranteed recycling efficiency" patented technology

The invention discloses a hydrophilic material and a hydrophobic material, a preparation method of the hydrophilic material and the hydrophobic material, and a gas-liquid separation filtering device equipped with the hydrophilic material and the hydrophobic material, the hydrophilic material comprises a substrate surface which is etched into a micro-nano structure, and a hydrophilic layer is formed on the surface of the substrate; the hydrophobic material comprises a base material and a hydrophobic layer, the surface of the base material is etched into a micro-nano structure, and the hydrophobic layer is formed on the surface of the base material; the windward side of the filtering device for gas-liquid separation is made of a hydrophilic material, the air outlet side of the filtering device for gas-liquid separation is made of a hydrophobic material, the hydrophilic material and the hydrophobic material can be folded surfaces or curved surfaces, and water gathered by the hydrophilic material and water intercepted by the hydrophobic material are recycled through water guide holes; the hydrophilic material is formed by carrying out surface plasma treatment activation on a base material and carrying out surface polymerization modification on a hydrophilic monomer; the hydrophobic material is prepared from a base material through surface plasma treatment activation and hydrophobic monomer surface polymerization modification. According to the cooling tower, the heat dissipation and cooling performance of the cooling tower can be guaranteed while the water resource recycling efficiency is guaranteed.

The invention belongs to the field of electronic wastes, and particularly relates to a waste circuit board recycling and reusing method which comprises the following steps: step 1, a preliminary decomposition stage of a waste circuit board: decomposing the waste circuit board into fragments suitable for follow-up treatment through a mechanical crushing and screening physical method; 2, a chemical leaching stage: dissolving metal components in the waste circuit board from the fragments by using a chemical solvent; 3, a metal recovery and separation stage: reducing metal ions dissolved in the solution into metal by adopting an electrolytic method; step 4, a harmful substance removal stage: removing harmful substances in the waste circuit board; 5, a resource reutilization and comprehensive utilization stage: through a recovery system unit, the recovered metal, plastic substrates and electronic component materials are extracted and utilized, and a feedback control system optimizes the resource recovery efficiency according to real-time data; and step 6, closed-loop treatment and environment-friendly compliance stage: treating wastewater, waste gas and solid waste through a closed-loop system unit.

The invention relates to the technical field of magnetic powder detection equipment, in particular to a drilling connector magnetic powder detection liquid spraying device which comprises a working frame, a drilling connector is arranged at the upper end of the middle of one side of the working frame, and a clamping assembly used for keeping the drilling connector stable in liquid spraying operation is arranged at the position, located on one side of the drilling connector, of the upper end of the working frame. The clamping assembly comprises clamping plates arranged on the two sides of the well drilling connector correspondingly, a driving assembly used for driving the well drilling connector to rotate is arranged at the position, located at the corner of one side of the well drilling connector, of the upper end of the working frame, and a reciprocating lead screw is rotationally connected to the middle of the side, away from the clamping assembly, of the upper end face of the working frame. Compared with the prior art, the problems that in the prior art, the spraying width of a spray head is difficult to adjust according to the diameter of a well drilling connector, and the detection cost is increased and resources are wasted due to the fact that the magnetic suspension cannot be reused are solved.

The utility model relates to a filtering device for recycling wire drawing liquid, which comprises a cylinder shell capable of completing multiple filtering of the wire drawing liquid in sections, the cylinder shell comprises a coarse filtering shell positioned at the axial upper section, a connecting guide shell positioned at the axial middle section and a fine filtering shell positioned at the axial lower section, a coarse filtering assembly, an adjustable communicating pipeline and a fine filtering assembly are respectively arranged in the coarse filtering shell, the connecting guide shell and the fine filtering shell which are connected in sequence, and the coarse filtering assembly and the fine filtering assembly are used for purifying the wire drawing liquid in a manner of constructing a two-stage filtering structure; the fine filtering assembly synchronously completes uninterrupted fine filtering and filter residue cleaning in a partitioned filtering manner; the axial upper end surface and the axial lower end surface of the cylinder shell are respectively provided with a flow inlet and a flow outlet which are used for limiting the inflow and the outflow of wire drawing liquid. The wire drawing liquid filtering device can continuously and continuously perform efficient and high-quality multiple filtering on the wire drawing liquid.

The invention discloses waste rubber regeneration recycling treatment equipment, and relates to the technical field of waste rubber recycling, the waste rubber regeneration recycling treatment equipment comprises a crushing recycling box and a hopper, and a driving motor is fixedly mounted on the outer wall of the front side of the crushing recycling box. According to the waste rubber recycling treatment equipment, when waste tires are crushed, the crushing rollers synchronously crush steel wires into fragments, the electromagnetic adsorption plate adsorbs the steel wire fragments in the falling process, manual intervention is not needed, and the recycling efficiency is improved. Meanwhile, the bumps and the shaking frame are matched for vibration adsorption, so that retention of rubber fragments is avoided, and the adsorption accuracy is improved. The shaking frame is regularly lifted through the electric push rod, the electromagnetic adsorption plate turns over and is powered off to release steel wire fragments, cleaning burden is relieved, and adsorption range reduction and strength weakening are avoided. During release and collection, the fixing rod and the connecting rod are matched to horizontally limit blanking of the guide plate, and when collection is finished and an adsorption state is returned, the second connecting rod and the closing plate are matched to vibrate the guide plate, blockage is prevented, and the recovery stability of equipment is ensured.

The utility model relates to the technical field of chemical reagent production equipment, and discloses a solution recovery device for chemical reagent production, which comprises a liquid inlet seat, the bottom of the liquid inlet seat is in threaded connection with a connecting ring, the bottom of the connecting ring is rotatably connected with a rotating pipe, and the bottom of the rotating pipe is movably provided with a storage pipe. A liquid inlet connector is fixedly installed at the top of the liquid inlet seat, a plurality of sets of positioning pieces distributed in a surrounding mode are fixedly installed on the inner wall of the rotating pipe, a partition plate is fixedly installed at the top of the inner wall of the rotating pipe, and a liquid inlet hole is formed in the outer side of the top of the partition plate. According to the device, through the arrangement of the partition plate, residual solution in residues filtered by the partition plate can be discharged under the clamping action of the clamping pieces and the positioning pieces, then mixed residues of the solution in the residues are sputtered, then residue waste during solution recycling is reduced, and the recycling efficiency of the device is guaranteed.

The present invention discloses a system and method for classifying and recycling household textile products, which belongs to the technical field of textile recycling, and comprises a crushing and separation cylinder and a crushing box, wherein the front of the crushing box is penetrated and rotatably connected with a rotating crushing assembly, the side of the crushing box is connected with a discharge pipe, and the crushing and separation cylinder is connected with a receiving hopper. In the present invention, a crushing and separation cylinder, a rotating magnetic cylinder, a rotating shaft, a first driving assembly, a second driving assembly, and an eccentric block are adopted. When the eccentric block rotates on the surface of the connecting shaft, the extension column, the rotating magnetic cylinder, and the spiral scraper will vibrate. When the spiral scraper moves with the rotation of the rotating shaft, the gap between the spiral scraper and the crushing and separation cylinder will continuously change. In the process of the gap becoming smaller, since the outer edge of the spiral scraper is sharp, the spiral scraper will extrude and separate the metal and plastic that are squeezed and embedded together during the textile tearing process, and the crushing and separation effect on the textile is more sufficient and ideal.

The utility model discloses a waste heat utilization device for thermal power generation, particularly relates to the technical field of heat recovery, and comprises a recovery device main body, a special-shaped heat storage brick is arranged on the end face of the inner side of the recovery device main body, a ventilation pipe is arranged in the middle of the special-shaped heat storage brick, and a supporting convex block is arranged on one side of the outer end face of the ventilation pipe. A sealing groove is formed in the outer end face of the ventilation pipe and located on the lower side of the supporting protruding block, and a mounting rotating plate is arranged on the end face of the ventilation pipe and located on the lower side of the supporting protruding block. During actual use, heat generated in the air of the thermal power plant can be continuously recycled under the corresponding arrangement state of the water inlet pipe, the water outlet pipe, the ventilation pipe, the special-shaped heat storage bricks and the heat absorption water pipe, and meanwhile, the heat storage bricks can utilize and store redundant heat; therefore, when the thermal power plant is in a non-working state, heat stored in the thermal power plant can be used for continuously heating the heat absorption water pipe, and the preheating utilization effect and efficiency of the thermal power plant are improved.

The utility model discloses a fly ash heavy metal extraction and recovery device, which relates to the technical field of power plant waste recovery equipment, and comprises a recovery box, two crushing rollers rotationally connected in the recovery box, a filter screen arranged in the recovery box, and a filter cartridge rotationally arranged in the recovery box, a driving motor is arranged in the recovery box, a filter screen is arranged in the recovery box, a cleaning assembly for cleaning the filter screen is arranged on one side of the recovery box, a mounting frame connected to one side of the recovery box is arranged in the cleaning assembly, and a reciprocating screw rod is rotationally connected in the mounting frame. The transmission block in threaded connection with the reciprocating screw rod drives the cleaning plate to move horizontally, then the cleaning plate can clean impurities accumulated on the transmission block, and due to the fact that the cleaning plate is tightly attached to the filter screen, the impurities cannot be brought back to the filter screen again in the return motion process, and the cleaning effect is improved. According to the utility model, the filtering effect of the filter screen can be effectively improved, and the fly ash recovery efficiency is ensured.

The utility model discloses ceramic crushing and recycling equipment, and relates to the technical field of ceramic crushing and recycling, the ceramic crushing and recycling equipment comprises a collecting box, an L-shaped supporting plate is fixedly welded on the left side of the collecting box, a crushing device is arranged above the L-shaped supporting plate, the crushing device is used for crushing unqualified ceramic, and the collecting box is used for collecting the unqualified ceramic. The top end of the collecting box is arranged to be a slope, a screening device is arranged on the upper surface of the collecting box and comprises two fixed bearing seats, the two fixed bearing seats are fixedly installed on the left side and the right side of the upper surface of the collecting box correspondingly, and screening cylinders are rotationally installed in the two fixed bearing seats; the screening device is used for screening broken ceramics, the screening barrel is obliquely arranged and rotates to screen broken ceramic powder particles and broken blocks, due to continuous rolling of the screening barrel, the ceramic broken blocks cannot block screening holes, then the recovery efficiency is guaranteed, and the practicability of the device is improved.

The present invention discloses a monitoring method, system and device for a waste heat recovery system, including: reading the surface temperature T of the heat exchange tube in the riser heat exchanger; judging whether the surface temperature T of the heat exchange tube satisfies T1‑A≤T≤T1; if the surface temperature T of the heat exchange tube satisfies T1‑A≤T≤T1, outputting a prompt that the circulating water volume of the riser heat exchanger is too large, and reducing the opening of the water inlet valve of the riser heat exchanger. The technical solution of the present invention can monitor the operating state of the riser heat exchanger in real time, and adjust the operating condition of the riser heat exchanger in real time according to the operating state of the riser heat exchanger. The solution provided by the present invention solves the problem that the operating condition of the riser heat exchanger cannot be monitored and adjusted in the prior art, and reduces or prevents the generation of graphite on the inner wall of the riser heat exchanger while ensuring the heat recovery efficiency, thereby reducing the equipment maintenance cost of the coking plant and improving the economic benefits of the coking plant.

The waste heat recycling device of the wet quenching system comprises a recycling box, an injection pipe is embedded in the left side wall of the recycling box, a steam pipe is fixedly installed at the right end of the injection pipe, a steam spraying cover is fixedly connected to the right end of the steam pipe, a water pipe is embedded in the middle of the top of the recycling box, and the bottom end of the water pipe fixedly communicates with a water collecting disc. A plurality of net bodies are installed on the inner side wall of the recycling box, the upward moving speed of high-temperature steam can be reduced through the net bodies, meanwhile, a baffle capable of moving left and right is arranged in the side wall of a steam spraying cover, and the size of an internal path of the steam spraying cover can be adjusted through the baffle; therefore, the circulating speed of the high-temperature steam is reduced, the high-temperature steam is in complete contact with water mist, and the recovery efficiency is guaranteed.

The utility model discloses a recovery device for a low-temperature liquid oxygen storage tank, and relates to the field of accessories of the low-temperature liquid oxygen storage tank. According to the recovery device for the low-temperature liquid oxygen storage tank, due to the fact that the liquid oxygen evaporation recovery assembly comprises the recoverer shell, the supporting base, the one-way valve, the booster pump, the L-shaped bent pipe, the low-temperature cooler and the heat insulation cover, low-temperature liquefaction work can be conducted on oxygen evaporated in the low-temperature liquid oxygen storage tank when the recovery device is used; the pressure fluctuation in the tank body can be avoided, meanwhile, waste of stored oxygen can be avoided, the waterproof and dustproof recovery heat dissipation assembly comprises an arc-shaped cover plate, a circular open groove, a sealing installation ring, a circular dustproof cover, a waterproof cover plate, a heat dissipation fan and a confluence cover, and heat generated by the recovery device can be rapidly discharged in the using process; therefore, the use stability and the recovery efficiency of the recovery equipment are guaranteed, and meanwhile, water and dust can be prevented from corroding the recovery equipment while heat dissipation is conducted.

The utility model relates to the technical field of treatment equipment, and discloses waste treatment equipment which comprises a machine body, the top face of the machine body is fixedly connected with a feeding hopper, the surface of the machine body is fixedly connected with a support, according to the waste treatment equipment, a second rotating rod can drive a cam to rotate when rotating, and the cam abuts against the bottom of a sieve plate after rotating by a certain distance; when the cam rotates for a certain distance and does not abut against the sieve plate any more, the sieve plate can be reset through pulling of the torsional spring and the gravity of the sieve plate, and the sieve plate can be reset along with repeated abutting during rotation of the cam; and a sieve plate can be vibrated repeatedly, and some large aluminum waste materials are vibrated to a second crushing roller along the angle of the sieve plate to be crushed again, so that the aluminum waste materials can be effectively recycled through multi-stage crushing during recycling.

The utility model discloses a pH detection device for a high-temperature lithium battery material recovery solution, which comprises a pH value detection structure inserted into a detection port of a reaction kettle, the pH value detection structure is mounted on a six-axis manipulator, the six-axis manipulator is fixed on a base, the cleaning structure is mounted on the base, a cleaning port is arranged on a cylinder barrel of the cleaning structure, and the cleaning port is communicated with the reaction kettle. And an electrode of the pH value detection structure is connected with the computer through a communication line. According to the utility model, the pH value in the reaction kettle can be monitored on line in real time, the harm of a high-temperature environment of a lithium battery waste treatment solution to a human body is avoided, meanwhile, the electrode is cleaned in time by adopting an automatic cleaning structure, the service life of the electrode is prolonged, the detection precision is improved, and the recovery efficiency of a battery material is ensured.

The utility model discloses a wellhead gas recovery control box, which comprises a recovery box, a gas outlet and a gas inlet, the gas outlet and the gas inlet are arranged on the outer wall of the recovery box, a filter screen is connected in the recovery box through a mounting mechanism, the mounting mechanism comprises a connecting plate for connecting two groups of filter screens, an inserting plate is arranged on the side wall of the connecting plate, the inserting plate is inserted in the recovery box, and the connecting plate is connected with the gas inlet. A first open groove is formed in the side wall of the other connecting plate, a limiting plate is connected into the first open groove through a first elastic piece, the limiting plate is inserted into the inserting groove, and the inserting groove is formed in the recycling box. The filter screen can be conveniently mounted and dismounted through the mounting mechanism, the condition that the filter screen is blocked is avoided, the recovery efficiency is guaranteed, meanwhile, the mounting mechanism is convenient to operate, and the dismounting and mounting efficiency can be guaranteed.

The present invention relates to a heat exchanger for waste heat recovery of ultra-high temperature liquid metallurgical slag, comprising a heat exchange tube group; a heat exchange plate group is arranged outside the heat exchange tube group; the heat exchange plate group arranged outside the heat exchange tube group forms a heat exchange cavity; the heat exchange cavity is filled with a heat transfer metal; the heat transfer metal is connected to the heat exchange plate group and the heat exchange tube group as a whole. The present invention can be used for heat recovery of ultra-high temperature liquid metallurgical slag, effectively solving the problem that traditional heat exchangers cannot directly recover waste heat from ultra-high temperature liquid metallurgical slag.

The invention relates to the technical field of kinetic energy gain of air jet looms, in particular to a kinetic energy recovery enhancing device for an air jet loom, which comprises a main frame and a lateral air nozzle, an electric control lifting frame is assembled on the upper surface of the main frame at a waste gas position, and a top air guide ring is fixedly assembled at the upper end of the electric control lifting frame; and a transverse flow guide cover is fixedly assembled on the inner side of the top gas guide ring. According to the kinetic energy recovery enhancing device for the air jet loom, a transverse flow guide cover is arranged at a waste gas recovery opening, waste gas is guided and collected through an electric control type internal gas collection hopper in the transverse flow guide cover, then high-pressure air guided by an embedded electric control pressurizing air pump is matched, airflow is pressurized, and long-distance conveying of air is guaranteed; waste gas is collected, so that the utilization rate of energy is increased; when the embedded electric control pressurizing air pump works, waste materials generated in air are collected synchronously, so that the resource recycling efficiency is greatly improved, and the working environment is improved.

The utility model relates to the technical field of electroplating, and discloses electroplating equipment and a conveying mechanism thereof. The conveying mechanism comprises a shell, a first material opening, a conveying channel and a second material opening which are sequentially communicated are formed in the shell, and the second material opening is adjacent to and communicated with an electroplating bath of the electroplating equipment; the conveying device is installed in the conveying channel and used for conveying the materials from the first material opening to the second material opening, a water retaining assembly is arranged between the conveying device and the second material opening, and a passing gap allowing the materials to pass through is defined in the water retaining assembly; the suction knife assembly comprises a pump body, a liquid suction pipeline and a suction knife body, the suction knife body is installed between the conveying device and the second material opening and is adjacent to the water retaining assembly, and a water suction opening of the suction knife body is communicated with the passing gap. According to the utility model, by introducing the suction knife assembly and the design of dynamic communication between the suction knife assembly and the passing gap, the defects of the existing electroplating equipment conveying mechanism in the aspects of overflow liquid recovery, material pollution control, maintenance cost and the like are overcome.

The invention relates to the technical field of environmental protection, in particular to a high-temperature organic waste gas heat recovery device which is provided with a bottom plate, first partitions, a driving shaft, a sealing mechanism, a filtering mechanism and an ejection mechanism. The two independent smoke inlet channels are naturally formed in the two sides of the cavity, when the filtering mechanism on any side needs to be cleaned, the sealing mechanism on the side needing to be cleaned can be driven to rotate through rotation of the driving shaft, the smoke inlet channels are closed, meanwhile, the ejection mechanisms on the same side can eject out the filtering mechanisms, only one-time operation is needed, and the cleaning efficiency is greatly improved. The operation of closing the single smoke inlet channel and ejecting out the filtering mechanism can be completed, the filtering mechanism is convenient to replace, meanwhile, the smoke inlet flue on the other side can be kept in a smooth and sealed state, and the follow-up waste heat recovery efficiency is guaranteed.

The invention relates to the technical field of battery recovery equipment, and particularly discloses equipment and a process for recycling waste lithium iron phosphate batteries, which are used for solving the problem of poor screening effect in the prior art. Comprising a smashing box, two smashing rollers are arranged at the position of an upper end opening of the smashing box, the smashing rollers are connected with a smashing driving assembly used for driving the smashing rollers to rotate, and a feeding assembly used for providing battery raw materials is arranged on one side of the smashing box; the feeding assembly comprises a feeding box, a lifting opening is formed in the bottom, close to the smashing box, of the feeding box, a material ejecting sliding block is arranged at the position of the lifting opening in a sliding mode, and the lower end of the material ejecting sliding block is connected with a reciprocating mechanism used for driving the material ejecting sliding block to move up and down. According to existing requirements, reciprocating lifting and discharging shaking are combined, to-be-recycled batteries can be evenly fed into smashing equipment, feeding uniformity is guaranteed, follow-up smashing is facilitated, and the occupied area of the equipment is reduced advantageously through the vertical feeding optimization mode.

The new energy automobile battery disassembling and classifying recycling machine comprises a base, a threaded block, a folding telescopic frame, a blocking net and a containing groove, two parallel sliding rails are arranged at the bottom of the base, the base is transversely and slidably connected with the surfaces of the top ends of the sliding rails, and a containing groove is formed in the bottom of the inner side of the base; two parallel lower sliding grooves are formed in the bottom of the storage groove, two-way lead screws are transversely and fixedly installed on the inner sides of the lower sliding grooves, threaded blocks are in threaded connection with the two sides of the surface of each two-way lead screw, and lower fixing shafts are fixedly installed at the top ends of the threaded blocks and detachably connected with the bottom of the folding telescopic frame; the top end of the folding telescopic frame is fixedly connected with the upper fixing shaft; according to the invention, the top plate is arranged to support the new energy vehicle when the new energy vehicle is disassembled, and the new energy vehicle is taken back into the base to complete recovery after being disassembled, so that the stability and safety of the battery during disassembly are guaranteed.

The invention provides a method and a system for recycling a positive electrode material of a waste lithium iron phosphate battery, and relates to the technical field of regeneration of useful components of the waste lithium iron phosphate battery, the method comprises the following steps: stripping a positive plate from the waste lithium iron phosphate battery, the positive plate comprising an aluminum foil and a positive electrode material bonded on the aluminum foil; two parts of the aluminum foil are respectively clamped; the area between the two clamped parts of the aluminum foil is moved rightwards; scraping and collecting the positive electrode material on the aluminum foil; extracting lithium ions from the positive electrode material; preparing a positive electrode material of the lithium iron phosphate battery by utilizing lithium ions; the scraper moves in the width direction of the aluminum foil, and the moving path of the scraper comprises a backward path and a forward path. The system applies the method. The scraper can continuously scrape the positive electrode materials at different positions of the aluminum foil on the premise that the aluminum foil is well positioned, and the whole scraping process is efficient and stable.

The utility model relates to the technical field of laser radar lenses, and discloses a small-sized laser radar lens with an adjustable optical axis, which comprises an installation top plate, the left side of the bottom of the installation top plate is fixedly connected with a first installation pipe, the right side of the bottom of the installation top plate is fixedly connected with a second installation pipe, and the top of the first installation pipe is provided with a light return port. A light outlet is formed in the top of the second mounting pipe, an emitting plate is arranged at the bottom of the second mounting pipe, clamping pipes are fixedly connected to the left end and the right end of the bottom of the emitting plate, and butt joint ports are slidably connected to the interiors of the clamping pipes. When the device is used, the device is fixed through the nuts and the bolts, the tail end butt joint port hole of the device is enlarged, the movement allowance is provided for the launching plate and the butt joint plate, glue is injected into the end hole openings, the launching plate and the butt joint plate are installed, the nuts and the bolts are screwed down after the device is translated to the proper position, the optical axis can be adjusted, and the precision adjusting range is widened. And the heat dissipation performance is kept.

The present application discloses a feeding device for solid waste recycling and treatment, belonging to the technical field of solid waste transportation, including a shell, the inner wall of the shell is movably connected with a step buffer assembly, a filter assembly is provided below the inner wall of the shell, the step buffer assembly includes an inner shell movably mounted on the inner wall of the shell, one side of the inner wall of the inner shell is provided with a plurality of first shaft frames evenly distributed in a straight line, the other end of the first shaft frame is movably connected with a first inclined plate, and sliding rods are provided on both sides of the end of the first inclined plate away from the first shaft frame. The present application makes the first inclined plate supported by the elastic arc plate contact with the second inclined plate placed obliquely, and under the weight of the solid waste, the first inclined plate is separated to produce a gap, and the solid waste is transported, thereby being able to decompose the direct falling transportation method into a multi-stage falling transportation method, and buffer the impact force in the process of waste export, and also ensure the efficiency of solid waste recycling and treatment.

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door refractoriness performance simulation test device which comprises a liquid tank, supporting legs are fixedly connected to the left side and the right side of the liquid tank, a protection mechanism is arranged on the top of the liquid tank, and a closing mechanism is arranged on the front side of the protection mechanism. And the protection mechanism comprises protection assemblies, liquid pumping assemblies and fire extinguishing assemblies, the protection assemblies are arranged at the top of the liquid tank, the liquid pumping assemblies are arranged on the left side and the right side of the liquid tank, and the fire extinguishing assemblies are arranged at the tops of the liquid pumping assemblies. According to the fireproof door refractoriness performance simulation test device, through cooperation of the protection mechanism, the combustion box and the smoke exhaust pipe, the fireproof door which is in a combustion test is protected, combustion of the fireproof door is controlled in a fixed space, flames and smoke generated by combustion cannot pollute a working space, the flames are blocked, and meanwhile the fireproof performance of the fireproof door is improved. The smoke can be guided; the smoke can be conveniently filtered and purified subsequently, and the pollution to the environment when the device is used is reduced.

The present invention relates to the technical field of magnetic particle detection equipment, and specifically to a liquid spraying device for magnetic particle detection of drilling joints, including a work frame, a drilling joint is arranged at the upper middle end of one side of the work frame, a clamping assembly for maintaining the stability of the drilling joint during liquid spraying operation is arranged at the upper end of the work frame located on one side of the drilling joint, the clamping assembly includes clamping plates respectively arranged on both sides of the drilling joint, a driving assembly for driving the drilling joint to rotate is arranged at the upper end of the work frame located at a corner of one side of the drilling joint, and a reciprocating screw is rotatably connected to the middle of one side of the upper end face of the work frame away from the clamping assembly. Compared with the prior art, the present application solves the problem in the prior art that it is difficult to adjust the spray width of the nozzle according to the diameter of the drilling joint and the problem that the magnetic suspension cannot be reused, resulting in increased detection costs and waste of resources.

This invention relates to a plastic belt scrap cutting and recycling device, belonging to the technical field of belt processing equipment. It includes a housing and a mounting plate fixed inside it. A cutting mechanism for cutting plastic belt scrap is provided on one side of the mounting plate, and a discharge mechanism for controlling the discharge of plastic belt scrap is provided below the cutting mechanism. A cylinder is fixedly installed on the side of the housing, with its extended end movably penetrating the housing. The device uses a heat-conducting strip on an electric heating plate in conjunction with a first cutting blade to heat and melt any uncut plastic belt scrap, facilitating complete cutting and preventing incomplete cutting due to the large width of the scrap. This facilitates subsequent shredding operations and ensures efficient recycling of the plastic belt scrap. A blocking strip provides support, and several second cutting blades, in conjunction with cutting grooves, limit the movement of the plastic belt scrap, preventing it from shifting and ensuring shredding efficiency.

The invention discloses a multi-stage adsorption control method and system of an oil gas treatment device, and relates to the field of industrial internet. The method comprises the following steps: monitoring an oil gas concentration characteristic value of an outlet of a preceding-stage adsorption tank which is currently in an adsorption state; when the oil gas concentration characteristic value meets a preset switching condition, a switching instruction is generated; in response to the switching instruction, controlling the standby adsorption tank to be connected to the oil gas treatment device so as to replace the functional position of the front-stage adsorption tank or the rear-stage adsorption tank; before the adsorption passage of the preceding-stage adsorption tank is cut off, purified gas at the outlet of the backward-stage adsorption tank is led out and reversely introduced into the connecting pipeline; and closing an inlet / outlet valve of the preceding-stage adsorption tank, and performing desorption regeneration on the preceding-stage adsorption tank. By implementing the technical scheme provided by the invention, the safety of multi-stage adsorption control is improved.