61results about How to "Help shedding" patented technology

The invention discloses a novel hair-imitating anti-freezing pipeline suitable for a low-temperature environment, and belongs to the field of pipeline equipment. The pipeline is characterized in thatmultiple heat release pores accommodating heat release balloons can be preset on the outer surface of the pipeline by imitating hairs on an animal body; meanwhile, a suspended cold contracting movingball is innovatively arranged, and the cold contracting moving ball actively moves under the action of magnetic attraction by means of the characteristic of contracting during cold; and water squeezedout during contraction is frozen along a double-state hair needle to form an ice needle, so that the heat release balloons are punctured to trigger an oxidation reaction to release a large amount ofheat. According to the pipeline, the released heat is used for heating and protecting the pipeline, so that the damage of external low temperature to the pipeline is prevented; after the temperature rises, the cold contracting moving ball can rise again to return to an original position and repeat the action so that the external temperature can be automatically sensed, and then the pipeline heating action can be triggered; and the pipeline is effectively subjected to heat preservation by imitating the animal hairs, so that the anti-freezing performance of the pipeline to the external low temperature is remarkably improved.

The invention discloses a petrochemical engineering pipe cleaner. The petrochemical engineering pipe cleaner comprises a base, a motor, a stand column, a rotating shaft and a cleaning device. The stand column and the motor are arranged on the base. A bearing is arranged on the stand column. The cleaning device is mounted on the rotating shaft. The rotating shaft is connected with an output shaft of the motor through the bearing. The cleaning device comprises connecting discs and connecting rods. The rotating shaft is sleeved with the connecting discs. Each connecting rod comprises a fixed casing pipe and a sliding guide rod. Each fixed casing pipe is connected with the outer side of the corresponding connecting disc. One end of each sliding guide rod is inserted into the corresponding fixed casing pipe in a fitted manner. A spring is arranged between each sliding guide rod and the corresponding fixed casing pipe. The other ends of the sliding guide rods are provided with bristles and steel wire brushes in an alternate manner. The cleaning brushes of the cleaner elastically squeeze the inner wall of a pipe, so that the cleaning effect of the petrochemical engineering pipe is better.

The invention relates to a method for repairing a waste lithium iron phosphate material. The method comprises the following steps: 1) measuring the contents of Li, Fe and P elements in the waste lithium iron phosphate material; 2) preparing a mixed solution containing lithium salt, ferric salt and phosphoric acid, adding the waste lithium iron phosphate material into the mixed solution according to a final stoichiometric ratio of Li:Fe:P of 0.75-1.25:1:1, stirring and mixing the components, and controlling the pH value of the mixed solution to be 5.5-8.5 by using ammonia water in the stirringprocess to obtain a mixture; 3) carrying out hydrothermal reaction on the mixture at 100-200 DEG C to obtain a lithium iron phosphate precursor, and 4) carrying out carbon coating reaction on the lithium iron phosphate precursor at 650-800 DEG C to obtain the repaired lithium iron phosphate battery material. The method realizes direct repair of the waste lithium iron phosphate battery positive electrode material.

The invention relates to a water purifier management method and a water purifier system based on the Internet of Things, wherein the water purifier management method includes the steps: a water quality detection sensor, a flow sensor and a single chip microcomputer are mounted in a water purifier of each user terminal, and a booster pump in the water purifier, a control terminal of each electroniccontrol valve and the signal output terminal of each sensor are electrically connected with the single chip microcomputer; the single chip microcomputer is internally provided with an identity identification card, and is connected with a wide area network through a wired or wireless mode; a backstage management system is arranged on the wide area network, the backstage management system is in communication connection with the single chip microcomputer of each user terminal through the wide area network, data information of the water purifier of each terminal is collected, and a control instruction is sent to the water purifier; all the terminal users register users through smart phones in the backstage management system, the water purifier of each user terminal is at least bound with onesmart phone, and smart phones are bound to the identity identification cards of the corresponding water purifiers; the backstage management system pushes the state parameter information, the failure information and the expense management information of the corresponding water purifiers to the smart phones of the terminal users through the wide area network. The intelligent management and use of the water purifiers are achieved, the operation is more convenient and reliable, the discharge amount of wastewater is effectively reduced and the service life of the water purifiers is increased.

The invention discloses an external-expansion type medical suturing nail with a nail body falloff promoting plate. The suturing nail comprises rod-shaped nail angles and a nail beam, wherein the cross sections of both the rod-shaped nail angles and the nail beam are of rectangular structures; an n-shaped structure is formed by the two rod-shaped nail angles and the one nail beam, and corners where the rod-shaped nail angles and the nail beam are connected are of arc-shaped structures; the nail body falloff promoting plate is arranged on the nail beam; the side face of the nail body falloff promoting plate is butted with the upper side face or the lower side face of the nail beam; and the front plate surface of the nail body falloff promoting plate is horizontal with the front side face of the nail beam and the rear plate surface of the nail body falloff promoting plate is horizontal with the rear side face of the nail beam. The suturing nail disclosed by the invention, by virtue of the nail body falloff promoting plate, is conducive to the falloff the a nail body; the two rod-shaped nail angles, which are in the form of external expansion, are capable of preventing the nail angles from bending inwards in the process of piercing into skin; and corners on the outer sides of the ends of the two rod-shaped nail angles are cut off, so that the outer sides of the ends of the rod-shaped nail angles are formed as inclined planes, and the two external-expansion rod-shaped nail angles bend inwards when the rod-shaped nail angles are in contact with a nail anvil, so that the success rate of a suturing operation is greatly improved.

The invention provides a leather treatment technology used for solving the problem that the leather treatment efficiency is low. The leather treatment technology comprises the following steps that fixing is conducted, specifically, the two corresponding ends of leather are fixed to leather clamps, and at least two pieces of leather are fixed to each leather clamp; pre-soaking is conducted; soakingis conducted; pretreatment is conducted; depilation is conducted; swelling is conducted; dealkalizing is conducted; softening is conducted; and pickling is conducted. The leather is fixed to the leather clamps, the leather can be prevented from being rolled into a ball during rotating, the contact degree between the leather and a cleaning chemical liquid is improved, and the leather treatment efficiency is improved.

The invention provides a microporous RTM (regenerative tissue matrix) as well as preparation and application thereof. The microporous RTM is a flaky material of a porous structure, micropores are uniformly distributed in the material, the pore diameter of the micropores is 0.15-0.20 mm, the distance between micropores is 0.8-1.2 mm, and collagen fiber extending into the pores is arranged on the inner surfaces of the micropores. The microporouse RTM provided by the invention removes cells completely and has no immunogenicity or cytotoxicity factors, collagen fiber, reticular fiber, elastic fiber of the RTM and a three-dimensional structure consisting of the fibers are slightly damaged, the RTM is better attached to wounds, multiple collagen fibers extending into the pores are arranged on the inner surfaces of the mciropores, and more immigrated cell attachment sites can be provided.

The ceramsite particle forming device comprises a machine body, a profiling roller, a sorting device, a screening device and a poking device, the poking device is arranged in the machine body and close to the top of the screening device, and an arc-shaped elastic plate is arranged between the surface of a driving roller and the two corresponding sides of the surface of the driving roller. The comb tooth device is arranged on the surface of the cambered surface connecting plate and is away from one end of the driving roller, the top end of the comb tooth body is fixedly connected with the surface of the cambered surface connecting plate, the air injection hole is formed in the comb tooth body and is located in the surface position, and the air injection hole communicates with the air outlet end of the bag body; the invention relates to the technical field of ceramsite particle production. According to the ceramsite particle forming device, the rapid drying effect is achieved, rapid drying can be achieved, particle forming, sorting and drying are integrated, meanwhile, the situation that particles adhere to one another is not prone to occurring, blocking is effectively prevented, safety and reliability are achieved, and the working efficiency and the use performance are improved.

The invention discloses cleaning equipment for petroleum pipelines. The cleaning equipment comprises a base, a motor, a stand column, a rotary shaft and a cleaning device. The cleaning device comprises connecting discs and connecting rods. The connecting discs are arranged on the rotary shaft in a sleeving manner. The connecting rods are in radial connection with the outer circumferences of the connecting discs and are evenly distributed along the outer circumferences of the connecting discs. A steel wire brush is arranged at the end of each connecting rod. A cleaning liquid tank is arranged on the base. A nozzle is arranged at the end of each connecting rod. The cleaning liquid tank is connected with the nozzles through a water pipe. According to a cleaner, the different cleaning brushes are mounted on the cleaning device, cleaning liquid is used in cooperation, and therefore a better cleaning effect is achieved.

The invention relates to the technical field of waste gas purification equipment, and discloses a rotary reverse-blowing flat-belt dust remover which comprises a filter cylinder, an ash bucket is fixedly connected to the bottom of the filter cylinder, an ash discharging valve is fixedly mounted at the bottom of the ash bucket, and an upper cover is fixedly connected to the upper end of the filtercylinder. Through the arrangement of an electromagnet, a strip-shaped magnet and an electric connection structure, a flat cloth bag shrinks inwards under the action of gas pressure, when a large amount of dust is accumulated on the surface of the flat cloth bag, the flat cloth bag shrinks inwards more violently due to air permeability reduction, and when the flat cloth bag shrinks until the upperconducting strip and the lower conducting strip make contact with each other, the electromagnet is powered on to generate magnetism; due to the magnetism opposite to the opposite face of the strip-shaped magnet, when the flat cloth bag is flattest, the flat cloth bag can rebound suddenly under the action of the magnetic force of the electromagnet, the flat cloth bag is made to vibrate left and right in the air filtering process, falling of dust on the surface of the flat cloth bag is facilitated, the filtering efficiency of the flat-belt dust remover is improved, and the reverse blowing frequency is reduced.

The invention relate to a rust remover capable of improving metal corrosion resistance. The rust remover is characterized by being prepared from, by weight, 45-60 parts of hydrochloric acid, 4-5 parts of phosphoric acid, 0.4-0.6 part of hexamethylenetetramine, 0.4-0.6 part of lauryl sodium sulfate, 0.15-0.4 part of triethanolamine, 0.4-0.6 part of citric acid, 0.5-1.2 parts of oleic acid, 0.8-1.6 parts of oxalic acid, 0.4-0.6 part of zinc sulfate, 0.1-0.5 part of aluminum sulfate, 0.2-0.4 part of aluminum sulfate and 20-70 parts of water. Zinc sulfate and other solid raw materials are added, the corrosion-resistant period of metal obtained after rust removal is at least doubled compared with that of original metal, rust can be efficiently and rapidly removed, no inflaming or blasting is caused, no volatilization is caused, corrosion to a base material is low, the price is low, and use is convenient.

The invention discloses a recycling treatment device for railroad sleeper connecting nuts. The recycling treatment device comprises a bottom plate, a support frame, a shock excitation assembly, a primary treatment tank, a secondary treatment tank, a spin-drying device and an inclined ladder mechanism. According to the recycling treatment device, quantities of rusted railroad sleeper connecting nuts generated during the railway track changing and ordinary maintenance processes are treated in the primary treatment tank and the secondary treatment tank which are filled with a pickling derusting solution through the shock excitation assembly, the residual derusting solution on the surfaces of the treated railroad sleeper connecting nuts is further removed through the spin-drying device, centralized treatment and reutilization of the batches of rusted railroad sleeper connecting nuts are achieved, the recycling treatment device has the advantages that recycling treatment efficiency is highand resources are saved, and the recycling treatment device is simple and reliable in overall structure, low in cost, high in adaptability and good in utilization effect, and has wide practicability.

The invention discloses a preparation method of a silicon-containing ultraviolet absorber, and a preparation method of a polyurethane copolymer of the silicon-containing ultraviolet absorber. The silicon-containing ultraviolet absorber is represented by a formula shown in the description; and in the formula, R1 is a C1-C3 alkyl group, and R2, R3 and R4 are C1-C3 alkyl groups or aromatic groups. The silicon-containing ultraviolet absorber is synthesized from 4-substituted phenyl(2,4,6-trihydroxy-3(3-hydroxy-3-methylbutyl)phenyl)methanone and its derivatives and (triisopropylsiloxy)methyl chloride and its derivatives. The polyurethane copolymer is prepared from a polyol, a diisocyanate, and the synthesized silicon-containing ultraviolet absorber by an internal emulsification process. The silicon-containing ultraviolet absorber prepared in the invention has an ultraviolet absorbing function, the active group hydroxyl group contained in the ultraviolet absorber can be bonded to a polyurethane molecular chain, and the silicon element can effectively increase the functionality of the polymer.

The invention relates to a rapid cleaning and maintaining mechanism for a blanket cylinder of an offset press, the rapid cleaning and maintaining mechanism is used for being installed on an offset press to clean and maintain the blanket cylinder. The rapid cleaning and maintaining mechanism comprises a rotating bracket with a herringbone cross section, the bracket has a rotating shaft, a washing device mounting plate is arranged around the rotating shaft on the bracket, a cleaning agent washing device mounting plate and a reducing agent smearing device mounting plate, the washing device mounting plate, the cleaning agent washing device mounting plate and the reducing agent smearing device mounting plate are arranged on the support around the rotating shaft, the washing device comprises a first spray head set and a first suction head roller, and the cleaning agent washing device comprises a second spray head set and a second suction head roller, each of the first spray head set and each of the second spray head set all comprises a plurality of nozzles which are uniformly arranged along the axial direction of the bracket; the rapid cleaning and maintaining mechanism for the offset press blanket cylinder is good in cleaning effect, small in damage to a blanket, high in cleaning efficiency, compact in structure, small in size, convenient to transform the offset press, capable of conducting water washing and organic solvent washing respectively, capable of automatically smearing a blanket reducing agent and good in application prospect.

The invention discloses a tea leaf conveyor convenient to disassemble and assemble and capable of automatically scraping out tea dust. The tea leaf conveyor comprises a box body, a conveying device, a guide roller and a residue collecting device, the conveying device is arranged in the center of the interior of the box body, the end part of the guide roller is rotatably connected to a position between two corresponding sides of the inner wall of the box body, the residue collecting device is arranged in a position, located on the conveying device, in the interior of the box body, the end part of a driven supporting roller is rotationally connected with the top of the surface of the box body, a driving supporting roller is arranged on the position, close to the bottom, in the interior of the box body, and the end part of the driving supporting roller is rotationally connected with a portion between the two corresponding sides of the inner wall of the box body, a conveying belt device is arranged on the surfaces of the driven supporting roller and the driving supporting roller and connected with the residue collecting device in a matched mode. The invention relates to the technical field of tea leaf conveying. According to the tea leaf conveyor convenient to disassemble and assemble and capable of automatically scraping out the tea dust, the purpose of rapidly removing residues is achieved, impurities can be removed in time, the tea leaf processing procedures are reduced, the tea leaf quality is high, and the working efficiency and the using performance are improved.