23results about How to "Stable removal" patented technology

This invention discloses a first-shaft and second-shaft connection mechanism for a transmission and its working method, belonging to the field of transmission technology. It includes two shafts; each second shaft has a cylindrical roller bearing without an outer ring mounted on its shaft end; a first shaft has an inner bore through which the cylindrical roller bearing without an outer ring is connected; the first shaft is fixedly connected to a clutch housing via the first shaft bearing; a front end cover is provided on one side of the clutch housing; a first shaft gear is provided on the other side of the clutch housing, and the first shaft gear is sleeved outside the first shaft; a second shaft overdrive gear is loosely fitted on the outer ring of the second shaft; a gear seat is provided between the second shaft overdrive gear and the first shaft gear; a sliding sleeve is fitted on the outer ring of the gear seat. The first-shaft assembly, second-shaft assembly, and connection structure provided by this invention solve the problem of not being able to arrange a cylindrical roller bearing without an outer ring on the second shaft end when there is no radial space, thus improving the overall reliability of the transmission.

This invention belongs to the field of oil and gas field wastewater treatment technology, and discloses a treatment system and method for oil and gas field fracturing flowback fluid. The system comprises a de-gelling and flocculation system, a microbubble ozone system, a reverse osmosis interception system, and a bio-enhanced degradation system connected in sequence. The de-gelling and flocculation system receives the raw water to be treated and, through the synergistic effect of chemical de-gelling and physical swirling fields, separates and removes oily substances and suspended solids from the raw water, forming de-gelling permeate. The microbubble ozone system is used to deeply oxidize the de-gelling permeate, forming oxidation permeate. The reverse osmosis interception system is used to desalinate and deeply purify the oxidation permeate, forming reverse osmosis permeate. The bio-enhanced degradation system is used to degrade biodegradable pollutants in the reverse osmosis permeate to obtain system effluent. This invention achieves the comprehensive goal of a compact process and stable effluent that meets standards for reuse or discharge through a closed-loop treatment path of progressive pollutant reduction and differentiated purification.

The application discloses a modular quick-release support, a variable-inclination conveyor and a use method thereof, and belongs to the technical field of conveyors. The modular quick-release support comprises a plurality of quick-release support bodies arranged on a rack. The quick-release support body comprises: a mounting plate arranged on the rack, wherein a movable groove for sliding of the mounting plate is formed in the rack; a roller part comprising a center roller assembly arranged on the mounting plate and a first roller assembly and a second roller assembly arranged on both sides of the center roller assembly respectively, wherein the first roller assembly is fixedly connected with the mounting plate; and a driving mechanism arranged on the lower side of the rack. The application is characterized in that the roller support of the loading point area of the conveyor is modularly designed, the quick-release support body can be quickly disassembled and the roller body can be replaced, the problems of the traditional roller body needing to support the belt and being difficult to replace in a narrow space, long time consumption and difficulty in replacement are solved, the difficulty in replacement of the roller body is reduced, the efficiency of replacement of the roller body is improved, and the conveying efficiency of the conveyor is improved.

This invention provides a mass production machining device for door pillars, belonging to the field of door pillar mass production machining technology. It includes a base, with mounting brackets mounted on the top of the base. The mounting brackets have equidistant first limiting grooves and equidistant mounting grooves on their tops. Four mounting brackets are equidistantly arranged on the base, and one mounting bracket located on one side edge of the base has equidistant first limiting blocks on its top. This invention, by setting up an auxiliary positioning mechanism and a limiting and fixing mechanism, allows the eight first sliding grooves to be quickly positioned to the machining position on the top of the base in one go, avoiding multiple alignment adjustments and improving positioning efficiency. Furthermore, the limiting and fixing mechanism further limits and fixes the transported profile body, ensuring that the profile body remains stable, does not shift, and does not shake during processing, ensuring consistent processing benchmarks.

The invention discloses a method for detaching a sock subjected to end sewing in a hosiery machine, which comprises the following steps: in the end sewing process, a sock receiving tube is firstly supported by a lower component, then moves to the upper part and is supported by an upper component to complete end sewing; a sock jacking pipe is arranged on the upper portion of the pushing and lifting pipe, the outer diameter of the sock jacking pipe is smaller than the inner diameter of the sock receiving pipe, and when the sock receiving pipe is located on the lower assembly and combined with the pushing and lifting pipe, the sock jacking pipe extends into the sock receiving pipe; after sewing and weaving are completed, when the sock receiving pipe is still supported by the upper assembly, the pushing and lifting pipe pushes the sock jacking pipe to move upwards again till the sock jacking pipe extends into the sock receiving pipe, and the socks wrapping the outer wall of the sock receiving pipe are jacked into the sock receiving pipe from the lower end. The action of the sock jacking pipe is added, and it can be further guaranteed that the socks with the ends sewn can be smoothly detached.

The invention relates to the technical field of flue gas treatment, in particular to a flue gas ultra-low emission system and method based on chemical looping combustion, and the flue gas ultra-low emission system comprises an in-furnace in-situ desulfurization unit, a cyclone separator, a nitrogen oxide removal unit, a dust removal unit, an out-furnace desulfurization unit and a recirculation unit which are connected in sequence in the flue gas flowing direction; wherein the nitrogen oxide removal unit is arranged in a flue between the cyclone separator and the dust removal unit; and part of recycled flue gas treated by the dust removal unit and / or the recycling unit is at least used for diluting or atomizing a denitration reducing agent in the nitrogen oxide removal unit, and / or returns to a chemical looping coal feeding system. According to the invention, through creative connection relations and medium circulation paths among the units, the beneficial effects of ensuring carbon capture advantages, efficiently purifying special pollutants, realizing internal circulation integration of the system, having good economy and the like are generated.

The application provides a plate-shaped object carrying device and a use method thereof, and relates to the technical field of material transportation equipment. The device comprises a bearing base, a walking mechanism arranged at the bottom of the bearing base, a lower positioning seat arranged on the bearing base, the lower positioning seat having a containing space for containing the bottom of a plate-shaped component, a lower clamping assembly arranged on the lower positioning seat, a rotatable lifting support arm, the lower end of which is rotatably connected to one side of the lower positioning seat or the bearing base, the length of the rotatable lifting support arm being adjustable, a transversely extending arm connected to the upper end of the rotatable lifting support arm, and an upper clamping assembly arranged on the transversely extending arm. The application has the beneficial effect of effectively eliminating structural interference during loading and unloading, enabling smooth vertical placement or removal of plate-shaped objects, and greatly reducing the operation difficulty. The structure is compact and reasonable, and is particularly suitable for material transfer operations in a space-limited construction site or a narrow passage.

The invention belongs to the technical field of stripping liquid, and particularly relates to photoresist stripping liquid as well as a preparation method and a use method thereof. The photoresist stripping liquid comprises the following raw materials in percentage by mass: 90%-99% of an aprotic polar solvent, 0.5%-5% of organic alcohol amine, 0.1%-3% of an inhibition protective agent and the balance of a pH (Potential of Hydrogen) regulator, the photoresist stripping liquid provided by the invention can effectively and stably remove the photoresist and maintain relatively high stripping capacity and efficiency under mild chemical conditions, and also can avoid corrosion or damage to IM layer materials such as niobium oxide and the like, so that the integrity and reliability of a multi-layer structure device are guaranteed.

This invention discloses a welding positioning device and its forming method for training missiles. The welding positioning device includes: a missile body welding fixture, a pouring fixture, a tail fin welding fixture, and two centers. Each of the two centers consists of a frustum and a round rod coaxially fixed to the large-diameter end of the frustum. The two centers are respectively used to hold the inner hole of the missile body's central tube and the positioning sleeve. The missile body welding fixture is used to weld and position the missile head and cylindrical section, and the missile head and mounting sleeve. The pouring fixture is used for pouring and forming concrete inside the conical section of the missile body. The tail fin welding fixture is used to weld and position the tail fin and the conical section, and to ensure the relative angle between the tail fin blades and the positional relationship between the blades and the missile body axis. This invention can ensure the welding quality and welding accuracy of the training missile, thereby ensuring coaxiality, symmetry, and straightness.

The utility model discloses a thermal printer, which belongs to the technical field of thermal printers, and comprises a base, a thermal paper discharge tray, a printer main body and a mounting rack, the surface of the base is provided with the thermal paper discharge tray, one side of the surface of the base is provided with the printer main body, and the printer main body is provided with the mounting rack. Mounting frames are installed on the surface of the base and located between the printer body and the thermo-sensitive paper discharging disc, guide rollers are symmetrically installed between the mounting frames, an adjusting mechanism for adjusting the distance between the guide rollers is installed in the mounting frames, and the adjusting mechanism comprises a two-way lead screw, a moving end and a rotating end. Through the arrangement of the guide rollers and the adjusting mechanism, the distance between the two sets of guide rollers can be flexibly controlled, the guide rollers assist the thermo-sensitive paper to enter the printer in the posture parallel to the input port of the printer, friction between the thermo-sensitive paper and the input port of the printer is avoided, and the stability of the whole printer in use is guaranteed.

The utility model relates to a clamping nozzle assembly and a vascular clamp. The clamping nozzle assembly comprises a base part and two support arms. Each support arm is provided with a setting groove. The setting groove is provided with a first side wall surface, a second side wall surface, a first inclined bottom surface, a second inclined bottom surface and a groove bottom surface. The first side wall surface and the second side wall surface are arranged at an interval. One side of the first inclined bottom surface is connected to the first side wall surface, and the other side of the first inclined bottom surface extends towards the second side wall surface; one side of the second inclined bottom surface is connected to the second side wall surface, and the other side extends towards the first side wall surface. The two sides of the groove bottom face are connected to the first inclined bottom face and the second inclined bottom face respectively. The first inclined bottom surface and the second inclined bottom surface are inclined relative to the height direction of the arrangement groove. Due to the fact that the first inclined bottom face and the second inclined bottom face are arranged in the arrangement groove, when the supporting arm moves, the position of the supporting foot of the vascular clamp in the height direction can be kept not deviated.

This invention relates to a substrate cleaning system and a substrate cleaning method. The substrate cleaning system (50) includes a heater (51), a chemical dilution module (52), and a cleaning module. The temperature of the diluted chemical solution mixed by the chemical dilution module (52) is determined to be higher than room temperature and lower than the glass transition temperature of the cleaning component. While the diluted chemical solution at the determined temperature is supplied to the substrate (W), the cleaning component scrubs the substrate (W).

This invention relates to the field of precision machining technology for semiconductor materials, and in particular to a chemical mechanical polishing (CMP) slurry, its preparation method, and its application. The CMP slurry comprises the following components by mass percentage: 6-12% composite abrasive, 3-7% composite oxidant, 2-5% complexing agent, 0.5-2% phosphine detoxifier, 0.3-1.5% dispersant stabilizer, 0.1-1% pH adjuster, and water as the balance. The composite abrasive is a composite material of alumina and silicon dioxide. The composite oxidant includes sodium hypochlorite solution and hydrogen peroxide solution. This invention, through the rational proportioning and synergistic effect of the composite abrasive, composite oxidant, complexing agent, phosphine detoxifier, dispersant stabilizer, and pH adjuster, is not only suitable for single substrates but also compatible with the CMP polishing of three typical third-generation semiconductor materials: indium phosphide, gallium arsenide, and germanium. It exhibits good versatility and process adaptability, helping to reduce production costs and process changeover complexity.

The application provides an engineered probiotic with intracellular chimeric nanoscale enzyme, which is a probiotic modified with several antioxidant enzymes on an inner membrane; the antioxidant enzyme is composed of a metal oxide nanoscale enzyme with a particle size less than 10 nm and a targeting molecular structure and a saccharide molecular structure modified on the surface of the metal oxide nanoscale enzyme; the targeting molecular structure and the saccharide molecular structure are connected to the surface of the metal oxide nanoscale enzyme through a connecting group containing a metal ligand structure based on coordination and electrostatic interaction, and the antioxidant enzyme accounts for 5-20% of the mass of the engineered probiotic. The application also provides a method for preparing the engineered probiotic and application of the engineered probiotic in preparation of a medicine or food for preventing or treating antibiotic-associated diarrhea. The engineered probiotic can realize efficient elimination of hydroxyl radicals near a membrane induced by an antibiotic, so as to accurately inhibit a lipid peroxidation reaction and protect the integrity of a cell membrane.

According to the composite corrosion inhibitor etching liquid and the preparation method and application thereof, a composite corrosion inhibition system composed of the first corrosion inhibitor and the second corrosion inhibitor is introduced into an acid etching system, and selective removal of a copper seed layer under different etching conditions is achieved; according to the composite corrosion inhibition system, the corrosion defect of the surface of a copper electrode can be remarkably reduced, the surface appearance can be improved, the lateral corrosion depth can be reduced, and meanwhile complete etching of a residual copper seed layer in a non-electrode area is not affected. The two types of nitrogen-containing heterocyclic corrosion inhibitors generate a synergistic adsorption effect on the copper surface by utilizing the molecular structure and adsorption behavior difference to form a compact and stable composite protection layer, so that the synergistic regulation and control on the overall corrosion rate and the local lateral corrosion behavior are realized. The composite corrosion inhibitor etching liquid has the advantages of being good in etching uniformity, remarkable in lateral erosion inhibition effect, wide in process window and suitable for industrial application.

The application relates to a roadbed reinforcing structure for municipal roads, which comprises a geogrid for laying on the surface of the roadbed, the geogrid is provided with a gap slot arranged in sequence and at intervals; and a blocking seat arranged on one side of the geogrid, the side of the blocking seat away from the geogrid is provided with a lifting plate arranged in the lifting direction of the lifting plate, the blocking seat is screw-connected with an adjusting rod arranged along the lifting direction of the lifting plate, and the adjusting rod is used for driving the lifting plate to lift; the blocking seat is provided with a slot for the geogrid to pass through, the lifting plate is provided with a plurality of plug-in columns arranged in sequence and at intervals, and the plug-in columns are used for respectively penetrating into the corresponding gap slots. The application has the effects of reducing the additional workload during the laying of the geogrid, improving the laying efficiency of the geogrid, and ensuring the stability of the geogrid.

The invention relates to the technical field of oil drilling and production testing well control equipment, and discloses an annular blowout preventer piston mounting and dismounting tool which comprises a tool body, a piston connecting structure is arranged in the tool body, and the piston connecting structure comprises a piston pressing plate and a fastening screw. The inner wall of the piston pressing plate is in threaded connection with the outer wall of the threaded lead screw. The sealing protection sleeve is arranged on the outer side of the piston sealing piece in a sleeving mode to conduct wrapping protection on the piston sealing piece, then the annular piston is placed below the piston pressing plate, the lifting nut is rotated to make the lifting nut move in the axial direction along the threaded lead screw, and therefore the piston pressing plate is driven to move downwards, and under the effect of uniform and stable pressing force, the annular piston is placed on the annular piston. The annular piston is slowly pressed into the shell of the annular blowout preventer, and under the protection of the sealing protective sleeve, a piston sealing piece can be effectively prevented from being scratched with the edge of the shell in the pressing-in process to cause damage.

This invention provides a gas dehumidification device and production system. The gas dehumidification device includes an aerogel permeable membrane unit and a driving unit. The aerogel permeable membrane unit includes a dehumidification chamber and an aerogel permeable membrane disposed in the dehumidification chamber. The aerogel permeable membrane divides the dehumidification chamber into a first dehumidification chamber and a second dehumidification chamber. The first dehumidification chamber includes an inlet for the gas to be dehumidified, and the second dehumidification chamber includes an outlet for the dehumidified gas. The driving unit includes a driving inlet, and the outlet for the dehumidified gas is connected to the driving inlet. This device allows the gas to be dehumidified to pass through the aerogel permeable membrane in the dehumidification unit, and the water vapor migration is completed by the hydrophobic selective structure, avoiding the problem of periodic replacement required by traditional adsorption dehumidification, which is beneficial for achieving continuous dehumidification. In addition, the connection with the driving unit can form a controlled negative pressure environment on both sides of the membrane, which enhances the driving force for water vapor migration, thus improving dehumidification efficiency and controllability. The overall structure is simple and has low energy consumption.

The utility model discloses a kind of transfer suction cups for rearview mirror glass, belong to the field of automobile accessory processing, including fixed frame, the center of fixed frame top is fixedly connected with connecting arm, the four corners in the inside of fixed frame are fixedly connected with vacuum chuck;Utilize the action of mechanical arm to press glass itself as power source, drive the whole cleaning system work through swing arm folding, without additional motor, cylinder or solenoid valve and the like power element and its supporting circuit, air path, manufacturing cost and equipment complexity are greatly reduced, electrical failure risk is also eliminated, improve the applicability in humid, explosion-proof and the like special environment and the reliability of system whole, cleaning roller completes rolling and sweeping cleaning action in advance before suction cup contact glass, without interrupting transfer rhythm to clean separately, greatly improve the operation efficiency of production line, avoid the time loss caused by artificial intervention or independent cleaning station.

The present application belongs to the technical field of deep processing of herbal medicines and preparation of plant active extracts, and in particular to a preparation process of herbal medicine extracts. The present application adopts a four-stage cleaning process of ultrasonic pre-washing, medium soaking, ultrasonic secondary rinsing and centrifugal dewatering, which is different from the simple single water washing in the industry. The present application has more stable effects of pesticide residue removal, impurity removal, bacteriostasis and residue removal. Moreover, the present application has a unique three-roller combined forming structure, in which a smooth roller, an irregular pattern roller and an adjustable pressure cutting knife roller work together. There is no similar process equipment in the industry, and the structure is novel and the process is unique.

The utility model discloses a setting type machine waste heat recovery system, including waste heat recovery subassembly, waste heat recovery subassembly includes the waste heat recovery outer frame setting, the water inlet pipe of waste heat recovery outer frame side surface setting, the water outlet pipe of water inlet pipe intercommunication, the fin of waste heat recovery outer frame in -setting, the air inlet assembly, the air inlet assembly includes the air inlet vertical frame of waste heat recovery outer frame side surface setting, the air inlet pipeline of air inlet vertical frame intercommunication, the first sliding rail of fixed air inlet vertical frame one side wall, the second sliding rail of fixed air inlet vertical frame other side wall, the air outlet hole of setting in air inlet vertical frame side surface. The utility model discloses the intercoordination of setting waste heat recovery subassembly and air inlet assembly reaches when using, forms the independent structure design of assembly type, makes each part of waste heat recovery can carry out arbitrary assembly disassembly, and this is convenient for daily maintenance, avoids the problem that the fin produces more dirt and influences waste heat recovery efficiency and the air outlet hole blockage influences waste heat recovery efficiency.

A kind of mould core dismounting device, for dismounting mould core on the head, head is equipped with first threaded hole and second threaded hole located in the two sides of mould core, mould core dismounting device includes mounting plate, mould core fixed component, first support rod and second support rod, third threaded hole, fourth threaded hole and fifth threaded hole are spaced apart on mounting plate;Mould core fixed component includes fixed sleeve and handle, fixed sleeve is used to be set on mould core, handle is threadedly connected with third threaded hole, one end of handle passes through third threaded hole and is connected with fixed sleeve;First support rod is threadedly connected with first threaded hole and fourth threaded hole;Second support rod is threadedly connected with second threaded hole and fifth threaded hole.In the present application, by setting mounting plate, first support rod and second support rod, so that first support rod and second support rod are threadedly connected with first threaded hole and second threaded hole on head respectively, form stable three-point support structure, effectively prevent the phenomenon of skidding in the process of dismounting.

A method for removing silicon from oil products, comprising the steps of mixing hydroxyl and / or carboxyl containing organic matter with raw oil and contacting with silicon capturing catalyst. The mass content of the hydroxyl and / or carboxyl containing organic matter in the raw oil is 0.01-5wt%, preferably 0.5-3.5wt%, more preferably 1-2.5wt%. The present application aims at the new problems in the prior art in the removal of silicon from oil products, and aims at the problem that the removal of silicon from oil products is always substandard. Firstly, the existing problems are clarified, and it is basically determined that the change of the type of silicon-containing compounds in the oil product is related. Through creative analysis and experimental research, a method for promoting the removal of silicon by adding hydroxyl or carboxyl containing organic matter to the oil product is proposed, and unexpected technical effects are achieved. Under the condition of not changing the original reaction process and the silicon capturing catalyst, the removal of silicon is up to standard, which provides a feasible technical scheme for enterprises to solve the problem of silicon removal.