19results about How to "Ensure complete removal" patented technology

The utility model discloses an automatic smoke purifying and collecting device for metal processing and welding, which comprises a machine body, and a decomposition bin, an adsorption bin and a filtering bin which are uniformly arranged in the machine body through partition plates, and further comprises a smoke collecting component, the smoke collecting assembly comprises an L-shaped pipeline installed on the top of the machine body through a connecting base and a smoke sucking cover arranged at the bottom of one end of the L-shaped pipeline through a telescopic corrugated pipe. The filter box is arranged in the filter bin and below the exhaust hood; the adsorption box is arranged in the adsorption bin below the filtering bin; and the catalysis box is arranged in the decomposition bin below the adsorption bin. Through the arrangement of the L-shaped pipeline and the smoke sucking cover in the smoke collecting assembly, smoke generated in the welding process can be effectively sucked in, and diffusion of the smoke in the working environment is avoided. The servo motor drives the L-shaped pipeline to rotate, and flexible adjustment of the smoke suction hood is achieved through meshing of the driving gear and the gear ring.

The utility model provides a casting burr trimming device, which belongs to the technical field of processing devices, and comprises a base and a clamping assembly, the base comprises a base and an upper shell part, the clamping assembly comprises a sliding block, a clamping block and a telescopic connecting piece, the clamping block can stably clamp a casting positioned in a processing space from the side surface, and the clamping block is connected with the telescopic connecting piece. By means of the characteristic, the fixing device can meet the fixing requirements of castings of various sizes, small precise parts or large complex structures can be firmly positioned at the needed positions, the sliding blocks drive the castings to rotate so that operators can make contact with all corners of the castings more conveniently, and the operation efficiency is improved. And all burrs and sharp edges are removed, so that the quality of a final product is ensured, and the design not only improves the working efficiency, but also reduces the labor intensity of workers.

The invention relates to a method and a system for removing a bed image of a CT (Computed Tomography) image and application, and the method sequentially comprises the following steps: obtaining a continuous CT image sequence of a patient, and constructing three-dimensional body data; carrying out projection analysis on the three-dimensional body data along the z-axis direction, and respectively calculating to obtain a maximum value projection image and a minimum value projection image; performing first threshold segmentation based on the minimum projection image to generate a first mask; performing second threshold segmentation based on the maximum projection image to generate a second mask; and based on the first mask and the second mask, generating an accurate bed area mask which does not contain human tissues. According to the method, the maximum projection (reflecting the upper limit of the tissue) and the minimum projection (reflecting the characteristics of the bed) are fused, so that the segmentation ambiguity of a single threshold value method in an overlapped CT value interval is overcome, and the accurate separation of the bed and the human tissue is realized.

This invention relates to the field of coal gas purification technology, and more particularly to a method for controlling the resistance of a negative pressure coal gas system. This invention involves systematic technical analysis and research based on theory and production practice, avoiding the need for post-processing cleaning of the primary cooler, electrostatic precipitator, and gas pipelines. It breaks through the methods and approaches for controlling and handling the resistance of negative pressure coal gas systems involved in the field of coal gas purification, employing daily monitoring and operational control of process parameters for the negative pressure coal gas system, daily resistance prediction and process cleaning of the negative pressure coal gas system, and emergency response plans and procedures for the negative pressure coal gas system. This system, applied to negative pressure coal gas systems in coal gas purification, can maintain the long-term stability of the negative pressure coal gas system's resistance, safeguarding production. This invention integrates daily control, resistance prediction, advance cleaning operations, and online cleaning operations, maintaining the long-term stable operation of the negative pressure coal gas system's resistance.

The utility model discloses a circulating energy storage device for waste gas environmental protection management, which relates to the technical field of waste gas treatment, and comprises a combustion furnace and a waste gas supply pipeline, a heat conduction inner furnace is fixedly arranged in the combustion furnace, and a heat exchange pipe I is sleeved on the outer side of the heat conduction inner furnace; a second heat exchange pipe is fixedly connected between the first heat exchange pipe and the waste gas supply pipeline, a second flared pipe is fixedly installed at the top of an inner cavity of the heat conduction inner furnace, a waste gas treatment structure is arranged at the bottom of the second flared pipe, and a circulating energy storage structure is installed on the outer side of the combustion furnace. High-temperature gas exchanges heat with water in the outer energy storage space and waste gas in the waste gas supply pipeline, it is guaranteed that heat energy is efficiently collected, meanwhile, the waste gas is preheated, the combustion speed of the waste gas is guaranteed, the temperature of exhaust smoke is controlled, and heat pollution is reduced.

This invention discloses an integrated cobalt salt filtration and washing device, relating to the field of cobalt salt production. It includes a reaction tank, with a filter press component fixedly installed at the lower outer end of the reaction tank. The filter press component includes a fixed outer shell, a filter cartridge fixedly installed inside the fixed outer shell, and an outer filter cylinder slidably installed inside the fixed outer shell. A bottom straight cylinder is fixedly installed at the lower end of the filter cartridge, and an inclined cylinder is fixedly installed at the bottom end of the outer filter cylinder. The outer filter cylinder and the fixed outer shell are sealed together, and the inclined cylinder and the bottom straight cylinder are slidably sealed. By incorporating the filter press component, this device can automatically perform filter pressing during unloading without transferring the slurry. It utilizes the pressure generated by the reaction vessel to simultaneously unload and filter the slurry, improving production efficiency and filter quality, reducing energy consumption and pollution risks during material transfer, and increasing utilization.

The application discloses a grinding device, a method for adjusting grinding pressure and a plate loading and unloading mechanism, relates to the technical field of semiconductors, and is used for eliminating the influence of hard particles on the back surface of a wafer on a photoetch process, thereby improving the quality of semiconductor devices. The grinding device comprises a rotating part and a grinding part arranged on one side of the rotating part; the rotating part is used for fixing the relative position of the wafer and the grinding part and for driving the wafer to rotate; the grinding part has a grinding area for grinding the back surface of the wafer; and the shortest vertical distance from the rotating shaft of the rotating part to the edge of the grinding area is smaller than the radius of the wafer. The grinding device is applied to a polishing device.

The utility model discloses a conveying and cleaning device for quilt cover production relates to quilt cover production technical field, including sewage tank and conveyer belt, the top both ends of sewage tank are fixed with support, and the right side upper portion of support is installed with positioning assembly, the positioning assembly includes servo motor, screw rod, screw nut and connecting block, and the output of servo motor is connected with screw rod, the outside of screw rod is connected with screw nut, and the bottom of screw nut is provided with connecting block, the inside both sides of support are connected with backboard, and the surface of backboard is installed with electric telescopic handle, the outer end of electric telescopic handle is connected with cleaning brush. This conveying and cleaning device for quilt cover production works through two electric telescopic handles of backboard support, and pushes and moves cleaning brush before and after to brush and wash quilt cover, can ensure that the stubborn stain is removed, and the water supply of water inlet pipe of external water source is to water outlet pipe, realizes the spray head to spray on the surface of quilt cover, effectively removes the impurity on the surface of quilt cover.

The application discloses high-purity copper sulfide prepared from acid wastewater and a method thereof, and belongs to the technical field of metallurgy, and particularly relates to a method for recovering high-purity copper sulfide from molybdenum metallurgical wastewater. In the method, first, sodium hydroxide is used to adjust PH, so that heavy metals such as copper and iron are precipitated, and molybdenum exists in the form of molybdate in the solution, and separation of molybdenum is realized. After the separation, the precipitate is subjected to ammonia reverse dissolution, sodium hydrosulfide precipitation, water washing, acid washing and water washing, and finally high-purity copper sulfide with qualified quality is obtained. The application takes "alkaline complexation-selective sulfidation precipitation-purification and refining" as the core, and successfully recovers high-purity copper sulfide (purity greater than or equal to 99.5%) from copper-iron-containing heavy metal wastewater.

The utility model provides a baffling pool biological membrane composite sewage treatment device, and belongs to the technical field of sewage treatment. The device provided by the utility model solves the problems of incomplete grease removal, poor operation efficiency and the like in the sewage treatment process of the current high-speed service area. The baffling pool biological membrane composite sewage treatment device disclosed by the utility model is designed into a baffling pool form, and six reaction areas are arranged in the baffling pool, so that the retention period of pollutants is prolonged, the reaction time is prolonged, and the treatment effect is improved; and a biological membrane device and an aeration device are arranged in the baffling tank, so that sufficient oxygen is provided for microorganisms, an aerobic-anaerobic-anoxic environment is ensured, and the decomposition of pollutants is facilitated. The device can perform automatic monitoring, feedback and regulation, and can realize efficient degradation of grease while ensuring removal of ammonia nitrogen, CODcr and BOD5. All components of the device are convenient to disassemble and assemble, and the device is low in cost, high in operation efficiency, convenient to popularize and use and beneficial to operation of large and small factories.

The utility model belongs to the technical field of raw wool detection, and particularly discloses a magnetic force multidirectional vibration type wool washing machine for raw wool detection, which comprises a cleaning container and a vibration reduction base, a magnetic force vibrator is arranged outside the cleaning container, and the magnetic force vibrator can drive the cleaning container to vibrate in multiple directions. Through the mode of combining magnetic non-contact driving and multi-directional vibration, cleaning liquid in the cleaning container can be driven to turn over in multiple directions, on one hand, the cleaning liquid turning over in multiple directions can beat raw wool so as to clean the raw wool in a beating mode, and on the other hand, the cleaning liquid can fully permeate into each corner of raw wool fiber so as to clean the raw wool. The multi-direction vibration type raw wool cleaning device has the advantages that impurities and grease are thoroughly removed, cleaning efficiency and cleaning uniformity are remarkably improved, in addition, a water film on the surface of raw wool fiber can be damaged in a multi-direction vibration mode, water can be more easily discharged from fiber gaps, and dewatering of raw wool after cleaning is completed is facilitated.

The invention discloses an activation and surface protection method for ion implantation SiC, and relates to the technical field of semiconductor manufacturing. Comprising the following steps: performing high-temperature ion implantation on a SiC wafer; pVD carbon film plating is carried out on the SiC wafer after high-temperature ion implantation; performing laser activation annealing on the SiC wafer plated with the carbon film; performing plasma physical etching on the annealed SiC wafer; carrying out sacrificial oxide layer treatment on the SiC wafer subjected to plasma physical etching; and carrying out BOE solution wet etching on the SiC wafer after sacrificial oxide layer treatment to obtain the SiC device. According to the method, through high-temperature ion implantation and laser annealing treatment and by adopting a multi-step carbon film removal process, the ion implantation impurity activation efficiency is remarkably improved, meanwhile, the morphology of the device is guaranteed, and the performance of the device is improved. The method has the advantages of simple process, high activation efficiency, good repeatability and the like, and is suitable for manufacturing SiC-based power semiconductor devices.

The utility model provides a kind of falling film evaporator suitable for DMF, including shell side and pipe passage;Shell side includes the No. one cylinder body, expansion joint and No. two cylinder body sequentially connected from top to bottom, built-in heat exchange tube;Pipe passage includes the No. three cylinder body below shell side and the upper tube unit located above shell side, upper tube unit includes the No. four cylinder body connected on upper tube plate and the No. five cylinder body and No. six cylinder body connected with each other, the No. five cylinder body and No. six cylinder body are set on the outside of No. four cylinder body, No. four cylinder body is provided with feed inlet by tube distributor assembly, the top of No. six cylinder body is provided with gas phase outlet by upper head.The utility model passes through shell side and pipe passage structure, significantly improves heat exchange efficiency, the turbulence effect of fluid is enhanced by the odd baffle and even baffle built-in shell side, promotes the effective transmission of heat;In pipe passage, liquid distributor ensures that liquid is vertically dropped into heat exchange tube in uniform fine stream, avoids local overheating, improves heat exchange uniformity.

The application provides a packaging box sealing paper removing device, and relates to the technical field of packaging auxiliary equipment. The sealing paper comprises inner sealing paper and outer sealing paper. The removing device sequentially comprises a heating station and a splitting station, and comprises a heating assembly and a removing structure. The heating assembly is arranged at the heating station and is used for heating the outer sealing paper. The removing structure is arranged at the splitting station and comprises an adjusting assembly, a first removing assembly and a second removing assembly. The adjusting assembly comprises an adjusting seat. The first removing assembly is movably connected with the adjusting seat and is used for removing the outer sealing paper. The second removing assembly is movably connected with the adjusting seat and is used for removing the inner sealing paper. The packaging box sealing paper removing device provided by the application is beneficial to saving the removing time of the sealing paper and improving the removing efficiency of the sealing paper.

This invention provides a dense honeycomb structure cross-linked sodium hyaluronate gel and its preparation method, comprising the following steps: S1. Preparing a chloride ion solution, adding a cross-linking agent, slowly adding sodium hyaluronate under stirring conditions, adjusting the pH to alkaline, and stirring evenly under vacuum conditions to obtain a mixture; S2. Maintaining vacuum conditions, heating the mixture in a water bath, cutting it to obtain a block gel, cross-linking it in a water bath to obtain a cross-linked sodium hyaluronate gel; S3. Adjusting the pH of the cross-linked sodium hyaluronate gel to neutral, performing a first vortex-shear composite grinding treatment to obtain a homogeneous paste-like gel, dialysis, then a second vortex-shear composite grinding treatment, adding non-cross-linked sodium hyaluronate and PBS solution, performing a third vortex-shear composite grinding treatment, filling, and sterilizing to obtain the dense honeycomb structure cross-linked sodium hyaluronate gel. The dense honeycomb structure cross-linked sodium hyaluronate gel obtained by this invention has smooth injection, strong support, long-lasting effect, and low adverse reaction rate.

The utility model discloses a kind of circulating filter devices for water pollution treatment, it is related to water pollution treatment technical field, including substrate, substrate upper surface middle part is fixedly connected with treatment pond, treatment pond is divided into first circulating pond and second circulating pond by partition, first self-priming pump is fixedly installed on the upper surface of substrate in the right end of treatment pond front side, the input end of first self-priming pump is connected with second circulating pond by first water inlet pipe, filter assembly is fixedly installed on the upper surface of substrate in the left end of treatment pond front side, the output end of first self-priming pump is connected with filter assembly by first water outlet pipe, second self-priming pump is fixedly connected with on the upper surface of substrate in the left side of treatment pond, the input end of second self-priming pump is connected with first circulating pond by second water inlet pipe.Advantage lies in: by separating treatment pond into first, second circulating pond, sewage is circulated between two ponds by first self-priming pump and second self-priming pump, this repeated filtering process.

This utility model relates to the field of bottle cap assembly technology, including a main plate mechanism and a secondary plate mechanism. The main plate mechanism is surrounded by a material feeding mechanism, a stamping mechanism, an electrostatic dust removal mechanism, a material feeding mechanism, a pre-twisting mechanism, a cap twisting mechanism, a cap twisting detection mechanism, a material picking mechanism, and a first NG unloading mechanism. The secondary plate mechanism is surrounded by a tooth-aligning mechanism, a material feeding mechanism, a clamping mechanism, a pre-press visual inspection mechanism, a pressing mechanism, an unloading mechanism, and a second NG unloading mechanism. A flipping mechanism is provided between the main plate mechanism and the secondary plate mechanism. A first feeding channel is located outside the material feeding mechanism, a second feeding channel is located outside the material feeding mechanism, a third feeding channel is located outside the material feeding mechanism, and an unloading channel is located outside the unloading mechanism. This fully automatic flipping and tooth-aligning assembly machine, through the cooperation of the above mechanisms, achieves fully automatic assembly of material one, material two, and material three, improving processing efficiency and saving assembly costs.

The invention discloses an industrial park wastewater pretreatment method, system, terminal and medium, and belongs to the technical field of wastewater treatment. The method comprises the following steps: carrying out wastewater pre-separation and wastewater purification treatment on obtained to-be-treated wastewater to obtain a purified solution; the purification liquid is divided into a plurality of treatment batches, a treatment scheme is executed on each treatment batch, and corresponding treatment parameters after execution are obtained; performing processing scoring on each processing batch based on the processing parameters so as to determine an optimal processing scheme with the highest processing efficiency; and finally, according to the optimal processing scheme, the processing duration of the target processing object is determined, and according to the change rate of the target processing object in the processing process, adding operation is executed in stages. According to the method, the equipment load of follow-up treatment is reduced through wastewater pre-separation, the optimal treatment scheme is determined through multi-batch evaluation, efficient and accurate pretreatment of the wastewater in the industrial park is achieved, and the treatment quality and economic benefits are improved.

This utility model relates to the field of rice cleaning technology, specifically to a rice cleaning device, including a conveying device and a cleaning device. The conveying device consists of a support rod, a support plate, and a motor. The cleaning device consists of a cleaning frame and a water pump. The cleaning frame is placed at the bottom of the left conveyor belt. Protective plates are fixed to both sides of the cleaning frame. A support column is fixed to the top of the cleaning frame. A water pump is fixed to the bottom of the support column. An inlet pipe is fixed to the lower front side of the water pump. Water delivery pipes are fixed to both sides of the water pump. A diversion pipe is fixed to the other end of the water delivery pipe. Spray nozzles are arrayed on the diversion pipe. A filter basket is placed at the bottom of the cleaning frame. The beneficial effects of this utility model are that by improving the cleaning technology and device structure, the cleaning effect of rice is improved, ensuring the removal of all impurities and dust. It adopts a simple and economical design scheme, reducing manufacturing and usage costs, making it suitable for processing enterprises of different sizes.