275results about How to "Quick removal" patented technology

The invention discloses a CoFeCuMn LDH nanosheet, a confinement catalytic membrane and a preparation method of the CoFeCuMn LDH nanosheet. The preparation method of the CoFeCuMn LDH nanosheet comprises the steps that A1, cobalt salt, ferric salt, copper salt and manganese salt are dissolved in pure water according to a preset proportion to prepare a first solution, sodium hydroxide is dissolved in pure water to prepare a second solution, and sodium carbonate is dissolved in pure water to prepare a third solution; a2, adding the first solution and the second solution into the third solution, and stirring to obtain a mixed solution; a3, carrying out hydrothermal reaction on the mixed solution; a4, centrifugally washing the product obtained in the step A3 to obtain a precipitate; and A5, the sediment is dried, and the CoFeCuMn LDH nanosheet is obtained. According to the CoFeCuMn LDH nanosheet, the confinement catalytic membrane and the preparation methods of the CoFeCuMn LDH nanosheet and the confinement catalytic membrane, the degradation efficiency and the degradation rate of new pollutants are remarkably improved.

The invention discloses a method for deeply removing readily oxidizable substances in high-purity electronic-grade phosphoric acid, which deeply removes the readily oxidizable substances in the high-purity electronic-grade phosphoric acid in a mode of combining ozone oxidation and resin adsorption to obtain a high-purity electronic-grade phosphoric acid finished product with extremely low readily oxidizable substance concentration. The specific process mainly comprises the following three steps: S1, introducing ozone gas at a certain temperature to oxidize readily oxidizable substances such as phosphorous acid and hypophosphorous acid in phosphoric acid into phosphoric acid so as to reduce the concentration of the readily oxidizable substances; s2, feeding the phosphoric acid subjected to ozone oxidation into an adsorption reactor to be in contact with an adsorbent, and further removing residual readily oxidizable substances in the phosphoric acid; and S3, filtering the phosphoric acid subjected to adsorption treatment through a filter element for separation, and removing residual small particles and impurities to obtain the electronic-grade phosphoric acid with readily oxidizable substances removed. The method is simple in process, controllable in condition, convenient to operate, safe and environment-friendly, does not need to add an additional solvent, avoids introduction of new impurities, reduces secondary pollution, and is suitable for preparing high-purity electronic-grade phosphoric acid.

The invention relates to a cleaning method for removing pollutants deposited on the surface of a fluoride coating heater. The cleaning method comprises the specific steps that appearance inspection is conducted on a part, and a universal meter is used for detecting a resistor; the binding post part is protected; a white corundum sand material is used for sand blasting and film removal; blowing through an air gun; carrying out deprotection and washing; the heater is right placed in an ultrasonic cleaning tank, deionized water is used for ultrasonic cleaning, and the part is rotated by 90 degrees once every 3 min; wiping with isopropyl alcohol; the part is put into an ultrasonic cleaning tank to be cleaned, the part is rotated by 90 degrees once every 3 min, and whether marks are generated or not is observed; purging with nitrogen; performing drying; performing inspection; and vacuum packaging. The white corundum sand material is used for conducting sand blasting and film removing treatment on the surface of the component, a small amount of residual pollutants on the surface of the component can be rapidly removed, and it is guaranteed that the surface of the component keeps uniform; and the part is rotated once every 3 minutes during ultrasonic cleaning, so that the surface can be controlled not to generate marks due to ultrasonic oscillation.

The invention relates to the technical field of laser welding, and discloses a laser welding machine for gas barbecue oven machining, which comprises a welding box, a first box door is hinged to the front surface of the welding box, a second box door is hinged to the back of the welding box, a welding platform is fixedly connected to the interior of the welding box, and a collecting groove is formed in the welding platform. A collecting box is slidably connected into the collecting groove, the front face of the welding platform is obliquely arranged in a slope mode, sweeps on the top of the barbecue oven can be blown away through an air blowing pipe so that the sweeps can slide to the slope of the welding platform, a brush can blow away the sweeps on the slope, and therefore cleaning of the welding sweeps is achieved. And the interior of the transverse groove is knocked through the knocking ball, so that falling of scraps on the inclined face of the welding platform can be accelerated, scrap cleaning is achieved, the probability of generation of welding defects such as air holes and slag inclusion can be reduced through scrap cleaning, welding seams are more uniform and compact, and the welding quality is guaranteed.

The invention discloses a monatomic catalyst for activating peroxymonosulfate as well as a preparation method and application of the monatomic catalyst. The catalyst comprises a nitrogen and sulfur co-doped Ti3C2Tx nanosheet and an iron monatomic or cobalt monatomic targeted on the nanosheet in an asymmetric coordination structure. The preparation method comprises the following steps: mixing the Ti3C2Tx nanosheet, a precursor containing a nitrogen source and a sulfur source, and soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst provided by the invention has excellent conductivity and electronic structure, can form a large amount of reactive oxygen species in a catalytic degradation system on the premise of low addition amount of peroxymonosulfate, and has the advantages of high activation efficiency on peroxymonosulfate, capability of effectively reducing the usage amount of peroxymonosulfate and the like; the peroxymonosulfate can be activated to achieve efficient purification of organic wastewater, the operation cost of the peroxymonosulfate activation technology can be effectively reduced, and meanwhile, the new environmental pollution risk caused by the fact that a large amount of peroxymonosulfate is used can be remarkably reduced.

The invention discloses a Cu2WS4-CuBi2O4 composite material with a photothermal effect and a preparation method and application thereof.The Cu2WS4-CuBi2O4 composite material is supported by CuBi2O4 of a rod-shaped structure, flaky Cu2WS4 is loaded on the surface of the rod-shaped CuBi2O4 through the interface regulation and control effect of a surfactant by adopting a hydrothermal method, and a Z-type heterojunction with the photothermal effect is formed; in an antibiotic degradation system, the Cu2WS4-CuBi2O4 composite material shows good photocatalytic performance and degradation effect under the synergistic effect of a photothermal effect and a PDS advanced oxidation process. The device is simple to prepare, stable in structure, high in repeatability and free of secondary pollution, and can meet laboratory and industrial requirements.

The present invention discloses a filter for dusty oil and gas, comprising a cylinder, the top of which is connected to a top cover, the bottom of which is connected to a cone, a first bypass port and a second bypass port are provided on the top cover and the cylinder, the two are connected through a pipeline to form an external passage, and a bypass valve is provided on the pipeline; a plurality of filter elements are provided in the cylinder; a first heating component and a second heating component are provided on the outer wall of the cylinder and the cone. The filter of the present invention, under the joint action of the heating component and the external passage, can not only ensure that the interior of the cylinder and the cone always maintains a relatively high temperature, but also can timely dredge the filter element during operation, thereby achieving effective separation of dust and oil and gas, and effectively avoiding abnormal phenomena such as negative pressure inside the filter, having the advantages of high processing efficiency, good filtering effect, low maintenance cost, high safety, long service life, etc., can effectively remove dust in the oil and gas when used for filtering dusty oil and gas, has high use value, and good application prospects.

The invention belongs to the technical field of health care products, and particularly relates to a production process of black ginseng peptide powder, and the technical scheme is that the production process of the black ginseng peptide powder comprises the following steps: pre-treating raw materials, cleaning black ginseng, removing impurities, ensuring the purity of the raw materials, cooking the cleaned black ginseng, and drying to obtain the black ginseng peptide powder. The method comprises the following steps: extracting active ingredients in black ginseng, adding a mixed enzyme for enzymolysis, decomposing proteins in the black ginseng into small-molecular peptides under the action of the mixed enzyme to obtain a liquid after enzymolysis, carrying out precise filtration, carrying out precise filtration on the liquid after enzymolysis, removing impurities to obtain a pure peptide liquid, and concentrating the pure peptide liquid by using concentration equipment to obtain the black ginseng peptide. The size is reduced; in the enzymolysis step of the production process of the black ginseng peptide powder, protein in black ginseng can be decomposed more comprehensively by using mixed enzyme and is converted into small molecule peptide, and the small molecule peptide is more easily absorbed and utilized by a human body.

The invention provides a wind turbine generator tower drum rust removal robot and an operation control method thereof. The wind turbine generator tower drum rust removal robot comprises a robot box used for carrying the whole robot, and a moving module for driving the whole robot to move is arranged on the robot box; a cleaning module used for polishing rust is arranged on the bottom end face of the robot box. A sensor module for detecting the environment is arranged on the robot box body; a spraying module for spraying is mounted on the robot box body; the power supply is used for supplying power to the moving module, the cleaning module and the sensor module. A whole set of rust removal process is completed through mutual cooperation of various machines, the working efficiency is greatly improved through an automatic rust removal mode, manual operation in a high-altitude, dangerous or toxic environment can be replaced, and the safety is improved.

The utility model discloses surface drying equipment for silk fabric processing. The surface drying equipment comprises a conveying mechanism and a rack, a conveying mechanism is fixed to the top of the rack, an extrusion structure is arranged at the top of the conveying mechanism, a drying furnace is fixed to the top of the rack, and a control module is installed at the top of the drying furnace; and the extrusion structure comprises a first gear, a pressing shaft, a second gear and a water collecting tank. According to the silk fabric drying device, the extrusion structure is arranged, the servo motor drives the net belt to rotate, in the process that silk fabric is conveyed into the drying furnace, through cooperation between gears, the pressing shafts move reversely, the pressing shafts are close to the driven shaft at the bottom, the silk fabric passing through is extruded between the two shaft bodies, and the silk fabric is dried. According to the surface drying equipment for silk fabric processing, the water in the surface drying equipment is compressed and dripped into the water collecting tank at the bottom, so that the effect that the surface drying equipment for silk fabric processing facilitates fabric dehydration is achieved, the amount of water needing to be treated by the drying equipment is reduced, and energy is saved.

The invention belongs to the technical field of ceramic materials, and particularly discloses whisker toughened zirconium oxide-aluminum oxide composite ceramic and an additive manufacturing method thereof, the composite ceramic comprises the following components by mass: 94 parts of zirconium oxide toughened aluminum oxide ceramic and 5 parts of silicon carbide whisker; the zirconium oxide toughened aluminum oxide ceramic is prepared from the following components in parts by mass: 76 parts of aluminum oxide and 24 parts of zirconium oxide, and 3mol% of yttrium oxide is added into the zirconium oxide. According to the whisker toughened zirconium oxide-aluminum oxide composite ceramic and the additive manufacturing method thereof, the preparation method has unique design of components and process, and the preparation of a high-density and high-performance ceramic-based composite material part based on a fused deposition modeling technology is successfully realized. Further, the prepared silicon carbide whisker toughened zirconium oxide-aluminum oxide-based composite ceramic has relatively high density and excellent obdurability.

The utility model discloses an easy-to-clean outdoor chair which comprises two chair frames which are arranged in a bilateral symmetry mode, supporting legs are arranged at the bottoms of the chair frames, a plurality of spokes which extend leftwards and rightwards and form a seat plate and a backrest are connected between the chair frames, a cleaning plate is arranged between the chair frames, and the cleaning plate is connected with the chair frames. Cleaning holes allowing all the spokes to penetrate in one by one are formed in the cleaning plate, bristles tightly attached to the spokes are distributed on the hole walls of the cleaning holes, and the cleaning plate is connected to the spokes in a sliding mode; the chair frame has ferromagnetism; a magnet is embedded in the cleaning plate; and the front surface of the cleaning plate is provided with shifting grooves which are symmetrically arranged left and right. The outdoor chair has the advantages of being easy to clean and convenient to use, and is complete in overall function and high in practicability.

The invention provides a method for removing photoresist on a wafer and semiconductor process equipment, and the method comprises the steps: obtaining the corresponding spectral intensities of emitted light generated by a specific element in a cavity at different sampling moments in the process of removing the photoresist after ion implantation; according to the spectral intensities corresponding to the two adjacent sampling moments, determining the change characteristic quantity of the spectral intensity at each sampling moment; and when the change characteristic quantity corresponding to the current sampling moment meets a preset condition, determining that the hardened layer removal process is close to an end point and controlling the wafer to descend from the current position to the direction of the heating base according to a preset relation so as to remove the hardened layer of the photoresist. The spectral intensity of the emitted light generated by the specific element is acquired, whether the hardened layer removal process is close to the end point or not is judged according to whether the change characteristic quantity of the spectral intensity meets the preset condition or not, and the wafer is controlled to descend for heating when the hardened layer removal process is close to the end point, so that the hardened layer is prevented from bursting at high temperature.

The utility model provides a cold-proof clothing waterproofness detection device, and relates to the clothing detection technology field, the cold-proof clothing waterproofness detection device comprises a support wall and a detection mechanism, the inner side of the support wall is provided with the detection mechanism, through the arrangement of the detection mechanism, the stability and consistency of clothing in the detection process can be ensured through the arrangement of a transmission assembly in use, and the detection efficiency is improved. The detection assembly accurately detects moisture permeation through a liquid sensor, moisture can be rapidly removed and clothes drying can be accelerated through the arrangement of the drying assembly, a fan and a heat pipe, the detection efficiency is improved, water flow can be accurately controlled through the arrangement of the water spraying assembly and a pressure adjusting nozzle, the comprehensiveness of the test is ensured, and the recovery assembly is arranged, so that the detection efficiency is improved. The water utilization rate is improved, the water level is automatically monitored through the liquid level sensor, the overflow risk is avoided, the environmental protection property and safety of the equipment are guaranteed, an efficient, accurate and user-friendly detection platform is provided, and evaluation of the waterproof performance of the clothes is more scientific and standardized.

The invention relates to a wet type multifunctional dust suppressant for a coal mine and a preparation method thereof. The wet type multifunctional dust suppressant consists of a component A and a component B, wherein the component A is prepared from surfactants such as AP470Z, Tween-80, Dow TRITON CF-10, Yinhuo Dynol 607 and Digao TEGO245, as well as glycerol, a de-foaming agent and industrial water; the component B is prepared from pregelatinized cassava starch, high-viscosity yellow dextrin, sodium carbonate, potassium carbonate, sodium hydroxide, industrial water and the like. And uniformly mixing the component A and the component B according to a mass ratio of 1: 1 to prepare the wet type multifunctional dust suppressant for the coal mine. The wet type multifunctional dust suppressant for the underground coal mine has obvious effects of reducing coal and rock dust and removing hydrogen sulfide gas, and is excellent in comprehensive performance, convenient to produce and simple to use. The dust suppressant can also be used for dust prevention and dust falling in the fields of roads, sand fields and the like, the dust suppressant can be sprayed to underground roadways and working faces prone to generating dust, the dust suppressant can rapidly permeate into oily pulverized coal, the pulverized coal is coagulated and settled, meanwhile, hydrogen sulfide gas in air and coal rock masses can be decomposed, and the purposes of dust falling and hydrogen sulfide gas removal are achieved.

The invention discloses a preparation method of a magnetic flocculant and an application method of the magnetic flocculant in purification of combined overflow pollution, and is characterized in that cellulose is used as a matrix to graft an acrylamide monomer and a cationic monomer to form a flocculant skeleton structure, and a magnetic core is grafted in the flocculant skeleton structure; the synergistic effect of the cationic monomer, the acrylamide and the magnetic seed enhances the electrical neutralization flocculation effect, increases the branch chain length of the flocculant, improves the rapid precipitation capability of flocs, and ensures the reuse efficiency of the flocculant; when the magnetic flocculant is applied to on-site treatment of combined system overflow pollution, and the adding amount of the single magnetic flocculant is 100-600mg / L, the SS removal rate of combined system overflow sewage is gt; compared with a conventional water treatment process, the sedimentation efficiency is as high as more than two times; 80% of SS can be removed after 0.5 min of sedimentation, and the recovery efficiency of the magnetic seeds and the removal rate of the SS are both gt when the magnetic seeds are reused for 10 times; 80%. When being applied to primary enhanced treatment of a combined system overflow pollution water plant, the composite flocculant is compounded with an inorganic flocculant, and when the dosage of the inorganic flocculant is 120mg / L, the removal rate of SS (suspended solids) can reach 96.1%, the highest removal rate of COD (chemical oxygen demand) is 44.7%, and the highest removal rate of TP (total phosphorus) is 93.3%; the magnetic flocculant provided by the invention realizes efficient and rapid removal of combined system overflow pollution in different treatment modes.

The utility model provides a defogging lens structure and a vehicle-mounted electronic camera, the defogging lens structure comprises a lens group, the lens group comprises a first lens, and the first lens is installed at a position, close to an object side, of a lens; the structure further comprises a heating ring used for increasing the temperature of the first lens, and the heating ring is of an annular structure and is attached to the side, close to the image side, of the first lens; the power supply assembly is used for supplying power to the heating ring, and the first lens of the lens is heated through the FPC heating device in the lens, so that the effect of rapidly removing water mist in the lens is achieved (due to internal heating, the water mist in the lens can be removed within 0.5-2 minutes in the required heating time period, and the water mist in the lens can be removed within 0.5-2 minutes. Compared with an external heating scheme, the heating time is shorter, the heating effect is better, the phenomenon that water mist generated in the lens is blurred on an image display picture, consequently, imaging of the lens is affected is avoided, and external manual wiping is not needed.

The invention belongs to the technical field of mold detection, and particularly relates to a powder metallurgy mold contourgraph which comprises a base plate, an upper heat insulation seat and a lower heat insulation seat, the base plate is arranged between the lower heat insulation seat and the upper heat insulation seat, the outer side wall of the base plate is integrally formed and sleeved with a heat insulation frame, and the heat insulation frame is detachably connected with the upper heat insulation seat and the lower heat insulation seat. A controller is fixedly installed on the outer side wall of the heat insulation frame, and a movable mold is installed between the base plate and the upper heat insulation base. Whether the outlines of the movable die and the static die deviate or not can be judged at a time, step-by-step scanning is not needed, the detection efficiency is high, secondly, influence of dead angles of the die cavity is not likely to happen, detection is more accurate, meanwhile, impurities such as powder possibly left in the die cavity can be rapidly discharged before outline detection, and the detection accuracy is improved. The precision of contour detection is improved, and personnel can be reminded to increase the smearing amount and smearing uniformity of the mold release agent subsequently based on the powder concentration.

The invention relates to the technical field of circuit board production, and discloses efficient PCB drying equipment which comprises a drying box, a supporting plate is fixedly arranged on the inner side of the drying box, and material passing openings are formed in the inner side of the supporting plate and distributed in an annular array mode; the box cover is arranged at the top of the supporting plate and is driven by external force to seal and open the material passing opening; the clamping assemblies are used for clamping the PCBs and are distributed in the drying box in an annular array mode, and the clamping assemblies are driven by external force to rotate and used for throwing away liquid on the surfaces of the PCBs; and the lifting assembly is used for driving the clamping assembly to drive the PCB to move towards the inner side of the material passing opening. According to the efficient drying equipment for the PCB, the problems that in the prior art, in the whole drying process, the PCB is in a static state, moisture on the surface cannot be rapidly removed easily, the drying time is prolonged, and the drying efficiency is reduced can be effectively solved.

The utility model relates to the technical field of cleaning and sweeping vehicle parts, and provides a high-pressure spray-washing device for a cleaning and sweeping vehicle, which comprises a clear water tank and a spray-washing mechanism. By arranging the three-way pipe, the first electromagnetic valve, the second electromagnetic valve, the direct-current spray head and the spray head, when heavy flushing is needed, the first electromagnetic valve is opened, the second electromagnetic valve is closed, mixed liquid is sprayed out of the direct-current spray head, stubborn stains and loose objects can be rapidly removed, and when light flushing is needed, the first electromagnetic valve is closed, the second electromagnetic valve is opened, and the mixed liquid is sprayed out of the direct-current spray head. The mixed liquid is sprayed out from the spray head and used for uniform covering and light cleaning or occasions needing wetting and not needing strong washing, and the two spray heads are used in cooperation to cope with more kinds of cleaning tasks; the additive pump and the water pump are arranged, the additive pump and the water pump work, an additive and water are fed into the mixing barrel to be mixed, the cleaning efficiency is improved, the impeller frame and the mixing impeller are arranged, and water flow drives the mixing impeller to rotate through the mixing impeller.

The invention discloses a multi-path power supply incoming line operation locking method based on a spare power automatic switching device. The method comprises the steps of signal acquisition, switching-on locking condition judgment, spare power automatic switching device logic judgment, operation execution of a control unit, switching-on permission condition output and the like. By collecting digital quantity and analog quantity signals, closing and locking conditions are strictly judged, and an operation mode is determined by utilizing a logic judgment algorithm. Signal processing adopts a digital filtering algorithm to improve accuracy. And the control unit executes operation and feeds back according to the judgment result. The switching-on permission condition output node is connected in series with a switching-on loop to prevent misoperation. The method improves the operation reliability and response speed, prevents misoperation, and enhances the safety and stability of a power system.

This invention relates to the field of wastewater treatment technology, and in particular to a wastewater purification and reuse device based on a membrane bioreactor. Addressing the limited removal efficiency of pollutants adhering to membrane elements in existing technologies, this invention provides a wastewater purification and reuse device based on a membrane bioreactor. The device includes a treatment tank containing a membrane bioreactor assembly. The assembly includes an assembly frame with multiple membrane elements mounted on it. Scrapers that cooperate with the membrane elements are located on both sides of a horizontal plate. A cleaning assembly also includes a vertically movable frame. When the frame moves downwards, the horizontal plate moves downwards, and the scrapers clean the outer surface of the membrane elements downwards. A movable scraper is located on a support, and a collection box is located on one side of the support. When the scraper moves to one side, the collection box opens. By directly scraping away impurities adhering to the outer surface of the membrane elements, suspended solids, colloidal particles, microbial flocs, and other pollutants on the membrane surface can be removed quickly and effectively.

The utility model discloses a deicing device of a wind generating set, which relates to the technical field of deicing devices and comprises blades and an impact component. The blade is internally and fixedly provided with two corresponding supporting frames, the lower end of the interior of the blade is provided with an extrusion assembly and a reset assembly, the extrusion assembly is matched with the reset assembly, and the interior of the blade is provided with a heating assembly and a stirring assembly; the impact assembly comprises connecting blocks, rotating shafts, fixing rings and hammering blocks, the rotating shafts which are uniformly distributed are arranged in the blades, the left end and the right end of each rotating shaft are rotationally connected with two corresponding connecting blocks, all the connecting blocks are fixed in the blades, the fixing rings which are uniformly distributed are fixed on the circumferential surfaces of the rotating shafts, and the hammering blocks are fixed on the fixing rings. And beating blocks are fixed to the circumferential face of the fixing ring and attached to the upper side walls of the interiors of the blades, and ice on the blades of the wind generating set can be rapidly removed.

The invention is applicable to the technical field of mineral flotation, and provides a fine mineral particle separation device which comprises a bottom box and a top shell, a synchronous stirring mechanism is rotatably mounted on the bottom box and the top shell and is used for mixing minerals, water flow and a flotation reagent entering the bottom box, and an inflation unit injects gas into liquid during rotation of the synchronous stirring mechanism so that the flotation reagent can enter the bottom box. The overflow defoaming mechanism is mounted on the outer side of the stirring shaft I and is in sliding connection with the inner wall of the top shell, an output pipe extends into the side box, one end of the flow control ejection mechanism is in transmission connection with the synchronous stirring mechanism, a drying plate is arranged on the inner side of the conveying and drying mechanism and is used for drying mineral particles in transportation, and a scraping plate on the outer side of the side box abuts against a conveying belt; according to the device, the contact frequency of particles and floating bubbles can be improved, more mineral particles emerge from the water surface in unit time, the separation efficiency of the mineral particles is improved, blockage is avoided in the separation and rotation process, moisture contained in the mineral particles is rapidly removed, and automatic conveying and collecting work is achieved.

The utility model discloses a digital temperature control type electric blanket controller, which relates to the technical field of electric blanket controllers and comprises a controller body, a protective net cover is arranged on the lower surface of the controller body, a group of heat dissipation grooves are formed in the lower surface of the controller body, and a fixing seat is fixedly connected to the lower surface of the controller body. A protective net cover is arranged on the surface of the heat dissipation groove for protection, external foreign matter is prevented from entering the controller body through the heat dissipation groove, when the protective net cover needs to be detached, a pressing block is pressed to drive a limiting block fixed to the pressing block to move together, the limiting block moves downwards to break away from clamping connection with the protective net cover, limiting is opened, and the protective net cover is detached. At the moment, the protective net cover can slide to be disassembled, the protective net cover is connected through two rectangular grooves formed in the controller body, grooves are formed in the rectangular grooves to limit the protective net cover, the detachable protective net cover is convenient for a user to regularly take down for cleaning, and the ventilation performance of the net cover is kept.

The invention belongs to the technical field of axle cleaning, particularly relates to large-area axle paint cleaning equipment based on a composite laser cleaning head, and aims to solve the problem that a good effect cannot be achieved by adopting single-type pulse laser or continuous laser for cleaning in the prior art. A continuous laser head assembly and a pulse laser head assembly are fixedly installed on one side of the gun body, a continuous laser device and a first collimating lens are installed in the continuous laser head assembly, and a pulse laser device and a second collimating lens are installed in the pulse laser head assembly. A first reflector, a second reflector and a focusing lens are mounted in the gun body, the laser head is provided with two air blowing ports, one air blowing port blows to a laser outlet, the other air blowing port blows to the surface of a workpiece, cleaning residues on the surface of the workpiece are cleaned while laser cleaning is conducted, the cleaning efficiency is higher, and the workpiece cannot be damaged.

This invention relates to the field of water treatment, specifically to an iron-doped biomass resource-based water treatment catalyst, its preparation method, and its application. The preparation of the water treatment catalyst includes the following steps: Step 1, drying and dehydrating recovered pigeon manure; Step 2, finely sieving the dried pigeon manure; Step 3, heat-treating the purified pigeon manure in a muffle furnace to obtain resource-based biochar; Step 4, ball milling dopamine hydrochloride, ferric chloride hexahydrate, and resource-based biochar at a mass ratio of 1:(5-15):(80-100); Step 5, calcining the ball-milled material in a tube furnace at 850-950℃. The water treatment catalyst provided by this invention can rapidly reduce the antibiotic content in wastewater, while accelerating antibiotic removal under ammonia nitrogen conditions. It achieves long-term continuous purification during long-term reaction, exhibiting good stability and removal effect, and is beneficial for achieving low-cost treatment of agricultural waste and efficient purification of new pollutant wastewater.

The utility model discloses a plastic pushing and removing mechanism for spline shaft processing, which comprises a box body and an upper pushing head at the top of the bottom of a spline shaft, the box body is provided with a removing mould for positioning the bottom of the spline shaft, the top of the box body is provided with a pressing mechanism, the upper pushing head is fixedly arranged on the pressing mechanism, and the removing mould is arranged on the box body. And a return mechanism for pushing the spline shaft out of the interior of the removal mold is arranged on the box body and located in the removal mold. According to the spline shaft removing device, the bottom of a spline shaft can be preliminarily positioned through the removing die, then the downward pressing mechanism operates and drives the upper pushing head to descend, positioning is conducted through the upper pushing head and the upper portion of the spline shaft, and then the downward pressing mechanism continuously moves, so that the spline shaft can continuously move along the interior of the removing die; in this way, the plastic part in the spline shaft can be rapidly removed through the removal mold, and after the plastic part of the spline shaft is removed, the arranged reset mechanism can push the spline shaft out of the interior of the removal mold.

The utility model discloses a kind of cleaning devices for shock absorber spring surface treatment, it is related to shock absorber spring surface cleaning technical field, including machine case body and filter frame, the filter frame is set in the machine case body inside, and upper end extends out the machine case body, and with the machine case body movable connection.The utility model is cooperated with the use of machine case body, filter frame, partition, water shaking mechanism, auxiliary lifting mechanism, lifting assembly, limiting piece and limiting block, to some extent, it is improved or solved that existing ultrasonic cleaner is washed to shock absorber spring, spring is often disorderly stacked and easily leads to staggered winding, so that cleaning fluid is not fully permeated to gap, affect cleaning effect and subsequent pick up, and spring needs to be salvaged manually after washing, it is complicated and laborious to operate and there is security risk, at the same time, spring surface is left with a large amount of cleaning fluid, which is not easy to remove quickly, affect subsequent drying process, reduce overall cleaning efficiency.

The utility model relates to the technical field of converter gas drying devices, and mainly discloses a steelmaking converter gas recycling and drying device which comprises a tank body, supporting legs and a gas inlet pipe, the supporting legs are arranged at the bottom of the tank body, the interior of the tank body is divided into a first cavity and a second cavity by a separation plate, and the gas inlet pipe is arranged at the top of the tank body. A fixing seat is arranged at the top of a drainage pipe and a gas inlet pipe at the bottom of the first cavity, converter gas pipelines communicate with the two sides of the fixing seat, a first filter plate is arranged in the fixing seat, a through exhaust pipeline is arranged on a separation plate, a first water removal plate is arranged at the gas inlet end of the exhaust pipeline, and a gas heating and filtering mechanism is arranged in the second cavity. The gas outlet end of the exhaust pipeline is located on one side of the gas heating and filtering mechanism, a gas conveying pipe is arranged on the portion, on the other side of the gas heating and filtering mechanism, in the second cavity, of the tank body, valves are arranged on the drainage pipe and the gas conveying pipe, and a water spraying and cleaning mechanism is further arranged at the top of the first cavity. The device is convenient to use, particulate matters in the coal gas can be filtered, moisture in the coal gas can be removed, and the quality of the converter coal gas is improved.