60results about How to "Remove comprehensively" patented technology

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 utility model belongs to the field of scrap iron recovery, and particularly relates to a scrap iron recovery device with a cleaning function, which comprises a settling tank, a cleaning cylinder and a water tank, the bottom of the cleaning cylinder is fixedly connected to the upper surface of the settling tank, the water tank is arranged on the right side of the settling tank, and a stirring cleaning mechanism is arranged in the cleaning cylinder. A filtering and precipitating mechanism is arranged in the precipitating tank; the filtering and precipitating mechanism comprises a filtering unit and a cleaning unit; the filtering unit comprises first sliding grooves, second sliding grooves, a filtering net and a filtering plate, the first sliding grooves are formed in the upper portions of the left side and the right side in the settling box, and the second sliding grooves are formed in the two sides of the lower portions of the first sliding grooves. According to the scrap iron recovery device with the cleaning function, sewage generated after scrap iron is cleaned can flow into the water tank, and the sewage flows into the cleaning cylinder again to be cleaned after being filtered. The water quality is improved by using the activated carbon, so that the water can be recycled for multiple times, the consumption of new water is reduced, and the saving and reutilization of water resources are promoted.

The invention relates to the technical field of chemical engineering, and particularly provides a fly ash waste salt resource utilization technology. The method mainly comprises the steps of water washing, pretreatment, MBR membrane treatment, nanofiltration, mild oxidation, electrolytic oxidation and microcrystalline adsorption. The purity of sodium chloride in the fly ash is refined to the reuse standard through water washing, pretreatment, MBR membrane and nanofiltration, and then mild oxidation, electrolytic oxidation and microcrystalline adsorption are utilized to fully ensure that TOC of effluent meets the salt manufacturing standard. According to the technology, the salt and the solid in the fly ash waste salt are recycled and are prevented from entering the environment to cause environmental pollution, and the treatment problem of the fly ash waste salt is solved.

The invention relates to a device for removing bubbles in concrete based on ultrasonic waves, comprising a base, a first connecting rod, a second connecting rod and a first cylinder are arranged above the base, a connecting rod is arranged on the lower side of the second connecting rod, one end of the first cylinder is movably connected to the base, the other end of the first cylinder is movably connected to the connecting rod, the lower end of the first connecting rod is movably connected to the base, the lower end of the second connecting rod is movably connected to the base, the upper end of the first connecting rod is movably connected to a telescopic mechanism, and the upper end of the second connecting rod is movably connected to the telescopic mechanism; the telescopic mechanism is movably connected to a third connecting rod and a fourth connecting rod ultrasonic device, and a third cylinder is further arranged between the telescopic mechanism and the third connecting rod; the device has a simple structure and is easy to operate, is conducive to improving construction efficiency, has a very good concrete bubble removal effect, greatly improves engineering quality, and avoids quality problems of engineering construction caused by bubbles in concrete.

The invention discloses a copper pipe coiling device for medical cabinet production, and particularly relates to the technical field of copper pipe coiling, the copper pipe coiling device comprises a supporting frame, an operation table is fixedly connected to the upper end of the supporting frame, baffles are fixedly connected to the upper end of the operation table in a bilateral symmetry mode, and coil adjusting assemblies are jointly arranged at the ends, close to each other, of the two baffles; a cleaning assembly is arranged on the front portion of the upper end of the operation table. According to the copper pipe coiling device for medical cabinet production, by arranging the adjusting mechanism and the fixing mechanism, corresponding adjustment can be carried out when the copper pipes with different diameters are used, the copper pipes are prevented from being too tight or too loose, uniform and flat coiling is guaranteed, the copper pipe coiling device can also adapt to copper pipes with different specifications or lengths, and the copper pipe coiling device is convenient to use. According to the copper pipe coiling device, the coiling space and the coiling efficiency are optimized, copper pipes are prevented from being deformed, extruded or dislocated in the coiling process, the production stability and the product quality are improved, and when copper pipes with different diameters are fixed, the coiling diameter can be adjusted according to the different diameters.

The invention belongs to the technical field of glass etching processing, and particularly relates to an AG glass etching residue removing device which comprises a base, supporting frames, a flat rotating type positioning mechanism and a penetrating point type cleaning mechanism, the supporting frames are symmetrically arranged on the upper walls of the two ends of the base, the flat rotating type positioning mechanism is arranged on the upper wall of the base, and the penetrating point type cleaning mechanism is arranged on the base. The point penetrating type cleaning mechanism is arranged on the flat rotating type positioning mechanism, the flat rotating type positioning mechanism comprises a main body mechanism and a groove mounting mechanism, the main body mechanism is arranged on the upper wall of the base, the groove mounting mechanism is arranged on the main body mechanism, and the point penetrating type cleaning mechanism comprises a driving mechanism, a sweeping mechanism, a penetration measuring mechanism and a liquid spraying mechanism. According to the AG glass etching residue removing device, under the condition that glass is prevented from being scratched, the liquid spraying structure is used for assisting the cleaning operation of the brush, and therefore the purpose of removing stubborn residues on the surface of the glass is achieved.

The application discloses a kind of diene extraction process saponification fat removal methods, first to the crude diene raw material is pretreated to remove low-boiling component, then carry out low-temperature weak base pre-saponification break down gum and waxy, middle-temperature compound saponification removes grease and fatty acid ester impurity in depth, after constant temperature stationary stratification, utilize compound solvent and carry out multistage countercurrent extraction, again by washing, reduced pressure desolventization, vacuum drying and obtain finished product.The application is by grading temperature control, step by step, effectively avoids emulsification, impurity removal effect is good, finished product purity and material yield significantly improve, reagent and three waste emissions are reduced.The process can be used for batch production, and can be matched with automatic equipment to realize continuous operation, process adaptability is strong, suitable for industrial scale popularization and application.

The utility model discloses coking wastewater advanced treatment equipment which comprises a water collecting tank and further comprises an oil removal tank, a dilution tank, a coagulative precipitation tank and an activated carbon net tank which are sequentially arranged from left to right and are communicated with one another, an end cover is arranged on the top surface of the oil removal tank, and a mounting seat is fixedly arranged on the bottom surface of the end cover; a mounting groove of a vortex line structure is formed in the bottom face of the mounting base, a first spraying pipe matched with the mounting groove is arranged in the mounting groove, a plurality of first nozzles communicated with the first spraying pipe are arranged on the first spraying pipe at equal intervals in the circumferential direction of the first spraying pipe, a top cover is arranged on the top face of the dilution pool, and connecting grooves are formed in the inner walls of the left side, the right side, the front side and the rear side in the height direction of the dilution pool. A second spraying pipe of an L-shaped structure is arranged in each connecting groove, and a plurality of second spraying heads communicated with the second spraying pipe are arranged on each second spraying pipe at equal intervals. According to the coking wastewater deep treatment device, comprehensive and uniform deep treatment can be carried out on coking wastewater in the use process, so that the use efficiency of the device is improved.

The utility model discloses a scaffold steel pipe straightening mechanism, including work table and straightening subassembly, one side fixedly connected with third motor of work table, and the output of third motor is connected with fourth gear key, the top fixedly connected with two mounting brackets of work table, and one side of two mounting brackets is rotatoryly installed with first rotatory pipe and second rotatory pipe through the embedding bearing respectively, and the installation pipe is equipped between first rotatory pipe and second rotatory pipe, and the circumferential outer wall of installation pipe is fixedly connected with third gear, and the transmission is connected with the toothed belt between fourth gear and third gear. The utility model drives the installation pipe to rotate under the drive of third motor and the transmission effect of toothed belt, thereby drive first rotatory pipe to rotate, and further make the gyro wheel roll and extrude on the steel pipe, thereby remove the cement hard block on the steel pipe, and further remove the cement hard block on the steel pipe comprehensively.

The utility model provides a wax gourd peeler, which relates to the technical field of peelers and comprises a processing cabinet, conveying mechanisms are arranged at the upper end of the processing cabinet and close to the edges of two sides, a pushing mechanism is arranged at the upper end of the processing cabinet, and a rotary peeling mechanism is arranged in the middle of the upper end of the processing cabinet; and the rotary scraping mechanism comprises a portal frame, a protective seat is fixedly mounted at one end of the portal frame, and an outer gear ring is rotationally mounted in the protective seat. According to the wax gourd peeling device, wax gourds can be conveniently peeled, wax gourds in irregular shapes can be peeled, then, wax gourd peels can be comprehensively and effectively removed, partial areas cannot be omitted, the situation that the peeling thickness is not uniform cannot occur, the appearance and quality of the peeled wax gourds cannot be affected, meanwhile, a large number of wax gourds can be rapidly treated, and the labor intensity of workers is reduced. And the wax gourd peeling efficiency is improved.

The present invention discloses a processing method and equipment for a special-shaped aspheric lens, and relates to the technical field of lens processing. The method comprises the following steps: S1, selecting a suitable glass lens, and preliminarily processing the glass lens, so that the shape of the blank meets the requirements; S2, using a grinder to roughly grind the blank, so that the surface roughness and spherical radius of the blank meet the requirements of fine grinding; S3, fixing the rough-ground blank on a fine grinding and polishing device by adhesive, and fine-grinding and polishing the blank by the fine grinding and polishing device; S4, centering and edge grinding the polished blank, eliminating the eccentricity of the blank, and making the radial dimension of the side cylindrical surface of the blank meet the assembly requirements. The present invention can not only improve the processing efficiency of the glass lens when processing the glass lens by setting a switching component and a fixing component, but also make the surface processing of the glass lens more uniform, so that the use effect of the special-shaped aspheric lens is better.

This utility model relates to the field of motor housing processing technology, specifically to a deburring device for processing motor housing castings. It includes a processing table, a positioning component movably mounted on the processing table, a polishing bracket fixedly connected to the processing table, and a brush roller rotatably connected to the polishing bracket. The brush roller uses steel wire or copper wire brushes, which can effectively polish the motor housing and remove burrs, and can effectively polish and grind grooves on the motor housing. A lifting mechanism is also provided, using a telescopic motor to drive a turntable and a sliding rod to move up and down. Since a tray is also provided at the top of the sliding rod, and a cross-shaped buckle is located on the tray, the sliding rod has a spiral groove. A rotating wheel is connected to the sliding rod through the spiral groove. Therefore, during the up-and-down movement of the sliding rod, the rotating wheel forces it to rotate, so that during the extension and retraction of the telescopic motor output shaft, the sliding rod, carrying the tray, rises and falls and rotates. This allows the positioning component and the motor housing to rotate and rise.

The utility model discloses a firebrick raw material magnetic separation screening machine relates to firebrick production technical field, including with the feed pipe of bin connection, install the valve on the feed pipe, the first feeding device is connected with the feed pipe lower extreme, the first feeding device output side lower side is connected with the downcomer, the downcomer lower side is connected with the second feeding device, and the second feeding device output end is connected with the magnetic separation device, the downcomer middle part is equipped with the filter screen of filtering sundries, the magnetic separation device is equipped with the magnetic roller of slanting conveyer belt and the support of slanting conveyer belt rotation, and the slanting conveyer belt upper wall lower side is equipped with the magnetic plate, the utility model discloses can filter intercept big granule sundries, and can remove the scrap iron comprehensively, and effectively remove the impurity in firebrick raw material, and then guarantee firebrick finished product quality.

The utility model provides efficient Chinese wolfberry impurity screening and separating equipment, and relates to the technical field of Chinese wolfberry separating equipment, the efficient Chinese wolfberry impurity screening and separating equipment comprises a screening box, the lower end face of the screening box is fixedly provided with four walking wheels, the right side of the upper end face of the screening box is provided with a feeding port, and the lower portion of a left side plate of the screening box is provided with a discharging plate. Firstly, an air suction pipe on the surface of a partition plate is externally connected with a fan, the air suction range is enlarged through an umbrella-shaped structure at the lower end of the air suction pipe, light impurities such as leaves are sucked out of a screening box, and meanwhile, a filter plate achieves separation of the Chinese wolfberry and small impurities through filter holes in the surface of the filter plate; the problems that existing screening equipment still has defects in the screening effect, the speed of the Chinese wolfberries entering a screening box cannot be controlled, and if the Chinese wolfberries contain many impurities and the speed of the Chinese wolfberries entering the screening box is high, the impurities in the Chinese wolfberries cannot be cleaned up are solved.

The utility model relates to the technical field of air purification, in particular to an air purification sterilizer which comprises a case assembly, an ultraviolet lamp assembly, a filter screen, a photocatalyst assembly, a human body induction switch, a display screen assembly and a six-in-one sensor assembly. And then the ultraviolet lamp tube assembly and the photocatalyst assembly are used for further disinfecting and killing the preliminarily filtered air, so that the purification, sterilization and virus removal efficiency is improved, and peculiar smell, formaldehyde and VOC removal is more lasting and thorough. A human body induction switch and a six-in-one sensor assembly are adopted, the automatic startup and shutdown function is achieved, intelligent control is achieved, energy is saved, the purification efficiency is improved, and meanwhile visual situation awareness of air quality data is achieved. The problems that an existing air purifier cannot automatically adjust the working state according to activities of indoor personnel, an ultraviolet sterilization lamp is insufficient in safety, and the photocatalyst purification efficiency is low are solved.

The invention relates to the technical field of twisted copper wire stranding, in particular to a wire stranding device for twisted copper wire production and processing and a use method thereof.The wire stranding device comprises a base, a pay-off reel is arranged at one end of the base, and a plurality of wire wheels distributed in an annular array are arranged on the side face of the pay-off reel; a follow-up sleeve is fixedly installed in the center of the side face of the pay-off reel, and reciprocating threads are arranged at the end, away from the pay-off reel, of the follow-up sleeve. Compared with the prior art, through inclined reciprocating sliding of the bunching sleeve, the cleaning ring on the inner side wall of the bunching sleeve can dynamically and comprehensively clean the outer surface wall of the copper wire, the dynamic cleaning mode can effectively remove dust, greasy dirt and other impurities attached to the surface of the copper wire, the conductivity of the copper wire is improved, and the service life of the copper wire is prolonged. The efficient cleaning mode not only improves the cleanliness and the production quality of the copper wires, but also reduces the subsequent processing cost, and provides powerful guarantee for high-quality production of the stranded copper wires.

The application provides an acid bath circulating system and method in a viscose staple fiber production process. The acid bath circulating system in the viscose staple fiber production process comprises a circulating main pipe, a filter pump, a filter system, a high-level tank and an acid distribution package. The filter pump is connected with the circulating main pipe through a pipeline. The filter system is connected with the filter pump through a pipeline. The high-level tank is connected with the filter system through a pipeline. The acid distribution package is connected with the high-level tank through a high-level overflow pipe. The acid bath enters the high-level tank through the filter system. The acid bath in the high-level tank enters the acid distribution package through the high-level overflow pipe. The acid bath is used for spinning and drawing after the flow is adjusted by the acid distribution package. The process is simple and feasible, and the work efficiency is high. The overflow of the high-level tank is used for spinning and drawing. The spinning pump is completely cancelled, and the power consumption is reduced. The acid bath used for spinning and drawing has been filtered by the filter system to remove impurities, so that the product quality is not affected by the impurities in the acid bath.

The utility model discloses secondary water supply equipment with an efficient filtering function, which belongs to the technical field of water supply equipment and comprises a water storage tank, the water storage tank is provided with a rectangular cavity, a purification device is assembled in the cavity and comprises a first purification drawing plate, a second purification drawing plate and a third purification drawing plate, and the first purification drawing plate, the second purification drawing plate and the third purification drawing plate are used for purification. A water inlet pipe is further assembled on one side of the water storage tank, the water inlet pipe is detachably designed, a filter element is arranged at the joint of the water inlet pipe and the water storage tank, and the first purification drawing plate, the second purification drawing plate and the third purification drawing plate are sequentially installed from left to right along the joint of the water storage tank and the water inlet pipe. The secondary water supply equipment with the efficient filtering function has the advantages of being efficient in filtering, easy to clean and maintain and convenient to operate, pollutants and impurities in water can be removed more comprehensively and efficiently, the standard of water quality is improved, sanitation and safety of water supply are ensured, and meanwhile the purification device arranged on the secondary water supply equipment is convenient to detach and maintain.

The utility model discloses a traditional chinese medicinal material cleaning tank convenient to clean relates to traditional chinese medicinal material processing technical field, including cleaning department and bearing part. The cleaning department detachable is established on the bearing top cover, contains cleaning bearing, cleaning axle, cleaning cylinder etc.

The application discloses high-speed rail insulation clamp plate dismounting and glue removing integrated hydraulic equipment and relates to the technical field of railway maintenance. The equipment comprises a mounting frame, a first motor is fixedly connected to one side of the mounting frame, an output end of the first motor is fixedly connected with a first bidirectional screw rod through a shaft coupling, the first bidirectional screw rod is rotatably connected with the mounting frame, a clamping frame is slidably connected with the mounting frame in a threaded manner on the outer surface of the first bidirectional screw rod. The high-speed rail insulation clamp plate dismounting and glue removing integrated hydraulic equipment is fixed through the cooperation of the clamping and fixing mechanism and the electromagnet plate, and the insulation clamp plate is automatically removed through the cooperation of the insulation clamp plate removing mechanism and the thermal expansion and cold shrink mechanism. The glue on the steel rail is comprehensively removed through the cooperation of the glue removing mechanism. The removal efficiency of the insulation clamp plate and the adhesive is greatly improved, the maintenance of the staff on the rail is facilitated, and the maintenance efficiency of the staff on the rail is improved.

This invention discloses a method for preparing ultra-clean, high-purity electronic-grade acetone, belonging to the field of acetone refining technology. The method includes the following steps: pre-purification, selective complexation, low-temperature plasma oxidation, three-stage extraction-vacuum distillation, composite adsorption-membrane permeation coupled dehydration, and three-stage gradient demicronization. This invention utilizes a step-by-step impurity removal process to synergistically remove multiple impurities such as metal ions, moisture, aldehydes, and particulate matter. The final acetone obtained has a purity ≥99.995 wt%, moisture ≤5 ppm, single metal ion content ≤5 ppb, ≥0.1 μm particle content ≤5 particles / mL, aldehyde content ≤0.5 ppm, and evaporation residue ≤0.5 ppm, fully complying with SEMIG4 standards. This invention features a continuous process flow, thorough impurity removal, and controllable energy consumption, making it suitable for applications in semiconductors, high-end electronics, and precision analysis fields with stringent acetone purity requirements.

This utility model discloses a wrinkle-removing device for underwear production, belonging to the field of underwear production technology. It includes a worktable, a connecting plate, a top plate, and a steam scraper. A reciprocating component is arranged between the connecting plate and the top plate, and a smoothing component is arranged above the worktable. The reciprocating component includes a motor, which is fixedly connected to the connecting plate. In this utility model, by adding a reciprocating component to the underwear wrinkle-removing device, a smooth reciprocating wrinkle-removing motion is achieved, eliminating the need for multiple repetitive operations to remove wrinkles from the underwear. This improves the overall efficiency of the production line, comprehensively and evenly removing wrinkles and preventing uneven areas from remaining on the underwear surface, thus ensuring the product's appearance quality. Furthermore, by adding a smoothing component to the underwear wrinkle-removing device, the angle of the steam scraper can be easily adjusted, ensuring even steam distribution on the underwear surface and preventing excessive or insufficient steam in certain areas, thereby guaranteeing the wrinkle-removing effect.

This utility model discloses a plasma cutting machine fume adsorption and purification mechanism, belonging to the technical field of plasma cutting fume adsorption and purification equipment. It includes: a worktable with two sets of sliding grooves inside, an electric support slidably mounted inside the two sets of sliding grooves, a cylinder fixedly mounted on the top of the electric support, a cutting blade fixedly mounted on the output end of the cylinder, a connecting frame fixedly mounted on one side of the support, and a dust suction hood fixedly mounted on one side of the connecting frame. This structure is simple and easy to operate, enabling quick installation and removal of the filter plate, timely cleaning or replacement of clogged filter plates, and ensuring that the purification mechanism always maintains good filtration performance. The primary filter plate, water mist purification, and secondary filter plate form a tight three-stage purification system, facilitating the interception of larger particles in the fume and the interception of remaining small particles and impurities not adsorbed by the water mist, greatly improving the cleanliness of the purified air.

This utility model discloses a backlight device for a motorcycle LCD instrument panel, including an LCD instrument box and an observation window located inside the front side of the LCD instrument box. Instrument indicators are located at the left and right ends of the inner side of the observation window, with an instrument pointer positioned between the two indicators. A sliding plate is located inside and outside the left end of the observation window, with a thick fiber cloth connected to the left side of the sliding plate. A torsion spring is connected to the left end of the thick fiber cloth. During driving, dust accumulation and fogging of the observation window can obstruct the driver's vision, affecting their judgment of key parameters such as speed and fuel level. Traditional cleaning methods require stopping the vehicle, which not only delays the journey but may also pose safety hazards in emergencies. The innovative cleaning system allows the driver to complete the cleaning by pulling a cord with one hand. The entire process does not require stopping, and the cord runs along the outside of the observation window without obstructing the driver's vision, ensuring uninterrupted driving and significantly improving driving safety.

This utility model relates to the field of fire-fighting equipment technology, specifically a vehicle-mounted integrated hose reeling and cleaning machine. It includes a vehicle body, a fixed bracket, a hose reeling / unwinding device, and a guiding and cleaning device. The fixed bracket is mounted on the vehicle body, and the hose reeling / unwinding device and the guiding and cleaning device are respectively located on both sides of the fixed bracket. The hose reeling / unwinding device is used to reel in and unwind empty hoses. During reeling, the guiding and cleaning device guides the empty hoses towards the hose reeling / unwinding device. The guiding and cleaning device includes an adjustment component, a guiding component, and a cleaning component. The adjustment component is mounted on the fixed bracket. This utility model achieves integrated hose reeling / unwinding and cleaning operations, significantly improving work efficiency, reducing labor costs, and providing strong technical support for fire-fighting operations.

This invention discloses a fully automated SF6 purification and refining device for detecting impurity gases, comprising a control module and an air intake assembly. The air intake assembly is divided into two paths: a first purification path sequentially connects to a gas storage tank, a first gas detection module, a first buffer tank, a first purification unit, a second gas detection module, a second buffer tank, and a back-end processing unit via pipelines; the second buffer tank is also connected to the first buffer tank via pipelines; the second purification path sequentially connects to a third gas detection module, a third buffer tank, and the second purification unit via pipelines; both the air intake and exhaust ends of the second purification unit are connected to the front end of the first purification unit; the first purification unit includes an alkaline solution treatment module, an adsorption module, and a first refrigeration module that can be connected in parallel and in series. This invention also discloses a method. The beneficial effects of this invention are: different purification paths are selected for different impurity gases, the purification methods are comprehensive, effective purification is achieved, and purification and refining efficiency and work efficiency are improved.

The invention provides an efficient sewage treatment biological membrane technology for a sewage station, and belongs to the technical field of sewage treatment.The efficient sewage treatment biological membrane technology is characterized in that nitrifying bacteria, denitrifying bacteria and bacillus are optimally combined according to the proportion of 3: 2: 1 on the aspect of microorganism composition, various pollutants in sewage can be comprehensively and efficiently removed, the nitrogen content is reduced, organic matter is decomposed, and the sewage treatment efficiency is improved. Activated carbon and zeolite powder are added to enhance the adsorption capacity of the biological membrane and remove impurities and harmful substances, the well-designed preparation technology guarantees the efficient performance of the biological membrane, specific culture conditions and strict control of all links ensure the stable structure and uniform performance of the biological membrane, the reverse osmosis device improves the performance of the system, the structure is compact, the treatment capacity is high, and operation is easy and convenient. The RO high-pressure pump is excellent in performance and guarantees system stability, key factors are controlled through a scientific biological membrane using method, a suitable environment is provided for microorganisms, the treatment effect is improved, in a word, traditional limitation is overcome, efficient, stable and environment-friendly sewage treatment is achieved, and remarkable contribution is made to environment protection and sustainable development.

The utility model relates to the technical field of article packaging, and discloses rapid article packaging and sealing equipment which comprises a packaging box. A packaging cavity is formed in the packaging box, an air blowing box is installed at the top of the packaging box, an air blowing cavity communicating with the packaging cavity is formed in the air blowing box, an air blowing and dust blowing piece is installed in the air blowing cavity, and a rotary disc located in the packaging cavity is installed on the inner wall of the packaging box. The packaging box is provided with a driving piece used for driving the fanning dust blowing piece and the rotary disc to rotate. A rotating piece which is close to or far away from the rotating disc is mounted in the packaging chamber; an assembling groove communicating with the packaging cavity is formed in the bottom in the packaging box, and an adhesive tape piece is arranged in the assembling groove. The utility model provides rapid packaging and sealing equipment for articles. The problem that dust on a box body is inconvenient to clean before packaging is solved.

The utility model relates to the technical field of odor collection, in particular to a sewage pool odor collection device which comprises a sewage pool body, a pool cover is fixedly installed on the top of the sewage pool body, a cover plate is fixedly installed on the top of the pool cover, and a plurality of fixing frames are fixedly installed on the inner surface of the pool cover. A U-shaped pipe is fixedly mounted on the pool cover through a fixing frame. According to the sewage pool odor collecting device, through cooperative use of the sewage pool body, the pool cover, the cover plate, the discharging pipe, the centrifugal fan, the external connecting pipe, the sensor module, the U-shaped pipe, the fixing frame and the collecting pipe, in the whole odor collecting process, the U-shaped pipe is laid along the inner surface of the pool cover; and the collecting pipe is used for carrying out multi-point collection operation on the odor generated by the sewage in the sewage pool body in the pool cover, so that the odor collection efficiency is remarkably improved. And meanwhile, the content of the odor in the sewage pool body is detected in real time by virtue of the sensor module, so that a worker can accurately master the progress condition of odor collection.

The utility model discloses a kind of efficient purification devices for nervonic acid production, including separation bucket, the bottom end of separation bucket is clamped and is equipped with firm base, the inner wall of separation bucket is equipped with several guide vanes, the bottom end of separation bucket is penetrated firm base, the bottom end of firm base is equipped with purification box, the inner wall of purification box is equipped with distillation bucket, the outside of distillation bucket is equipped with several filter channels, the bottom end of distillation bucket is equipped with low-temperature crystallization bucket;From the primary interception of large-particle impurities of primary filter screen in the top end of separation bucket, to the accurate filtration of fine impurities by transition pipe inner filter ball surface separation filter screen, again to the depth purification of porous sieve plate in distillation bucket outside filter channel, different particle size impurities in material can be removed comprehensively, effectively avoid the influence of impurity residue on nervonic acid purity, compared with single filtration mode, the purity of product is improved, meet the strict requirement of biomedical, high-end health care product etc. to nervonic acid high purity.