17results about How to "Adequate adsorption" patented technology

The invention provides a foam dust suppression material as well as a preparation method and application thereof. The foam dust suppression material comprises a foaming agent, a surfactant, a thickening agent, inorganic salt and a solvent; wherein the foaming agent comprises soybean protein isolate and / or collagen; the surfactant comprises an anionic surfactant and / or a nonionic surfactant; the inorganic salt comprises one or more of potassium sulfate, magnesium chloride, sodium sulfate and sodium chloride. According to the foam dust suppression material, specific components are adopted, all the components cooperate with one another, and the dust suppression material is high in foaming rate, good in stability, good in dust suppression effect, environmentally friendly, non-toxic to the human body, capable of protecting the health of workers and improving the comfort level of the working environment, low in cost and good in economic benefit and social benefit.

The application discloses a kind of bistable suction disc devices for enhancing the performance of microneedle and preparation method thereof, belong to medical instrument technical field, the bistable suction disc device structure includes elastic hemispherical shell, and the outer wall of elastic hemispherical shell is provided with convex column, and the axis of convex column and elastic hemispherical shell coincides, and the inner wall of elastic hemispherical shell is provided with microneedle patch mounting platform, and microneedle patch mounting platform is located just below the convex column, and the platform is combined with microneedle patch;Elastic hemispherical shell includes first stable state and second stable state, and first stable state is open downward state, and second stable state is open upward state, and it changes first stable state and second stable state when using, so that the negative pressure area between the inner wall of elastic hemispherical shell and skin, enhance the drug delivery efficiency of microneedle on microneedle patch and skin interstitial fluid collection amount.The bistable suction disc device has wide application prospect in the field of biomedicine.

The invention relates to the technical field of air conditioning equipment, in particular to an air purification device for a dissecting room. The technical problems that when an existing purification device purifies air in a dissecting room, impurities attached to a biological filter plate are difficult to brush off and clean away, so that the biological filter plate is difficult to fully decompose and filter the impurities in the air, bubbles are inconvenient to scatter in multiple directions, and the dissecting room is inconvenient to clean are solved. Therefore, the air bubbles are not completely scattered, and the purification effect on the air in the dissecting chamber is poor. An air purification device for a dissecting room comprises an outer frame, a supporting plate is fixedly connected to the inner wall of the outer frame, and an air suction frame is fixedly connected to the bottom of the inner wall of the outer frame. When the air is filtered for the second time, the motor drives the curved bar to rotate through the transmission assembly, the curved bar rotates to enable the two biological filter plates to move in a reciprocating mode through the linear groove frame, then the two biological filter plates are continuously switched in the air suction frame, and then the air can be fully filtered for the second time.

The application discloses a nano-needle self-assembled flower-shaped microsphere metastable indium oxide gas-sensitive material, a gas-sensitive element and a preparation method and application. The nano-needle self-assembled flower-shaped microsphere metastable indium oxide gas-sensitive material has a three-dimensional flower-shaped microsphere formed by nano-needle self-assembly, the diameter of the nano-needle is about 8 nm, the diameter of the flower-shaped microsphere is about 2-3 microns, the main exposed crystal face of the material is (104), and the crystal structure is a metastable rhombohedral corundum phase. The prepared nano-needle self-assembled flower-shaped microsphere metastable indium oxide successfully realizes preparation of pure metastable indium oxide material under mild conditions and realizes application in the field of gas-sensitive detection, especially in the detection of H2S, and has the advantages of low working temperature, high sensitivity, high selectivity and low detection limit. Meanwhile, the synthesis preparation method is simple in synthesis, low in cost and has good industrial production prospects.

The utility model discloses an impurity collection magnetic device for plastic processing, which comprises a processing bin, a collection box is fixedly connected between limiting slide blocks, pulleys are embedded at the edge of the lower end of the collection box, a closing plate is arranged on one side of the collection box in an overturning manner, and a second locking knob is inserted at the lower end of one side of the closing plate. According to the impurity collection magnetism passing device for plastic processing, a large amount of materials can be guided in at a time through the treatment bin, the feeding hopper, the scattering rod, the stirring plate and the sweeping brush, so that stirring and sweeping brush sufficient magnetism passing and adsorption are conducted, material leakage is avoided, stable classified collection can be conveniently conducted through the adjusting guide plate, and the working efficiency is improved. And the feeding hopper can be conveniently and rapidly disassembled and assembled through an auxiliary splicing insertion block and a first locking rotary knob, the electromagnetic plate can be conveniently inserted, spliced, disassembled and assembled through a splicing insertion block and a splicing insertion groove, independent disassembly and assembly are convenient, maintenance and use are convenient, the electromagnetic plate can conduct electromagnetic adsorption, more efficient adsorption and material guiding are convenient, and use is more convenient and more efficient.

The invention discloses a method for treating sewage generated by a cage rough washing process, and belongs to the technical field of industrial sewage treatment. Sewage generated in a cage rough washing process is subjected to first-time filter pressing after being treated by polyacrylamide and polyaluminum chloride, then a flocculating agent and water are mixed and put into a liquid medicine cylinder, the agent and the sewage in the liquid medicine cylinder are synchronously conveyed into a stirring cylinder for first-time stirring, then an oil removing agent is added, and second-time stirring is continued; and carrying out secondary filter pressing on the treated water, feeding the water into a precipitation cylinder, finally adding an oxidizing agent, and standing to obtain the treated water. According to the method, by adding polyacrylamide, polyaluminum chloride, a flocculating agent and a deoiling agent, metal ions, oily components and other impurities in sewage generated in the rough washing process are rapidly removed, the impurity content and the COD value in the sewage are reduced, the treated water can be applied to the rough washing process again, and the utilization rate of water resources is increased.

A novel feed batching bin is characterized in that a lower equipment shell is arranged on the lower end face of an equipment shell, the lower equipment shell is fixedly connected with the equipment shell, damping supporting legs are fixedly connected with the lower end face of the lower equipment shell, a fixing plate is arranged on the lower end face of the lower equipment shell, an upper cover plate is arranged on the upper end face of the equipment shell, and a handle is arranged on the upper end face of the upper cover plate; a sealing ring is arranged on the lower end face of the upper cover plate, a driving box is arranged on the upper end face of the fixing plate, a rotating shaft is arranged on the upper end face of the driving box, and a stirring rod is arranged at the upper end of the rotating shaft. The feed smashing device has the advantages that the small smashing device shell is arranged, large feed can be smashed in advance, and meanwhile the damping supporting legs are arranged for damping.

The invention discloses high-voltage pulse equipment for dioxin treatment, and relates to the field of dioxin treatment.The high-voltage pulse equipment comprises a high-voltage pulse purification box, a discharge electrode is arranged in the high-voltage pulse purification box, an organic solvent purification box is connected to the upper portion of the high-voltage pulse purification box, and an activated carbon adsorption box is connected to the upper portion of the organic solvent purification box; a high-temperature steam reduction box is installed on the outer side of the activated carbon adsorption box, and a cooling treatment box is connected to the upper portion of the activated carbon adsorption box. By arranging the high-voltage pulse purification box, the organic solvent purification box and the activated carbon adsorption box, a large amount of dioxin in waste incineration flue gas can be effectively removed through three times of treatment, and it is guaranteed that the dioxin content is within the national specified emission standard during flue gas emission; the high-temperature steam reduction box is arranged, and the activated carbon in the two adsorption cavities is driven by the rotating shaft to turn over and be alternately used, so that the trouble of regularly replacing the activated carbon is avoided, and the sufficient adsorption effect on the dioxin can be kept.

The adsorption sheet of the present invention contains a porous metal complex and non-fibrillated fibers and fibrillated fibers, wherein the porous metal complex has a metal and an organic ligand, and has a moisture adsorption rate of 30% by mass or more at 25° C. and a relative pressure of 0.5. As a result, the porous metal complex has excellent loading capacity and the sheet has excellent softness and processability, and can exert sufficient adsorption performance.

This invention discloses a method for preparing a high-oil-content O / W film-forming formulation, comprising the following steps: Step 1, raw material pretreatment and screening; Step 2, preparation of the oil phase component; Step 3, preparation of the aqueous phase component; Step 4, primary pre-emulsification treatment; Step 5, high-pressure homogenization and fine emulsification; Step 6, compounding of film-forming aids and system conditioning; Step 7, vacuum degassing treatment; Step 8, low-temperature curing and stabilization treatment; Step 9, molding, coating and curing film formation; Step 10, post-treatment and quality inspection. This invention employs nonionic and anionic compound emulsification, combined with multi-stage high-pressure homogenization and interface modifier optimization, to achieve uniform oil droplet size distribution and effectively suppress stratification, demulsification, and flocculation phenomena under high oil-phase ratios. Through a low-temperature segmented curing process, the emulsifier is fully adsorbed and arranged at the oil-water interface, enhancing the strength and toughness of the interfacial film, while simultaneously improving the compatibility between the film-forming agent and the emulsification system.

This application relates to a detour filtration and silencing system for a fan inlet, belonging to the field of fluid technology. It includes an intake pipe connected to a fan; a silencing device connected to the intake pipe; the silencing device includes an intake structure and an outlet structure; a filter structure is provided on the intake structure; the silencing device includes a housing, one end of which is closed; the intake structure is located on the pipe wall of the housing; an internal pipe is embedded within the housing; a silencing structure is provided on the outer wall of the internal pipe; the end of the internal pipe facing the closed end of the housing is open, with a gap between it and the closed end; the end of the internal pipe away from the closed end of the housing serves as the outlet structure, which is connected to the intake pipe; a gap exists between the inner wall of the housing and the outer wall of the internal pipe, called a detour gap; forming an airflow channel from the intake structure, the detour gap, the internal pipe, the outlet structure, to the intake pipe. This application integrates filtration and silencing functions, and simultaneously absorbs noise through a detour intake path, improving gas silencing performance.

The invention relates to a water-saving fabric printing and dyeing method which comprises the following steps: a pretreatment stage: soaking a fabric in a solution containing a pretreatment agent, stirring for 30-40 minutes at 40-50 DEG C for desizing treatment, washing the fabric with clear water after the treatment is completed, removing the residual pretreatment agent, and naturally air-drying; a modification stage: putting the pretreated polyester fabric into a first modification liquid, oscillating for 20-30 minutes, drying, putting the fabric treated by the first modification liquid into a second modification liquid, heating for 60-70 minutes at the temperature of 50-70 DEG C, taking out, and naturally air-drying to obtain the modified polyester fabric; in the dyeing stage, the modified fabric is soaked in dye liquor to be dyed; and a washing stage: immersing the dyed fabric in deionized water, stirring or gently scrubbing for 10-20 minutes at room temperature, and then naturally air-drying. The invention discloses a water-saving printing and dyeing method for fabrics, and aims to realize an efficient, water-saving and environment-friendly printing and dyeing process.

This utility model discloses a treatment system for recovering industrial-grade sodium chromate from chromium-containing electroplating wastewater. The system is sequentially connected to a pretreatment system, an ion exchange system, an evaporation and concentration system, a purification system, and an evaporation and crystallization system. The pretreatment system removes suspended solids. The ion exchange system contains at least four ion exchange columns and an eluent tank; the coordinated operation of multiple columns ensures sufficient adsorption and elution of chromium, increasing the concentration of hexavalent chromium in the eluent, reducing the load on subsequent evaporation equipment, and shortening processing time. The evaporation and concentration system uses an MVR evaporator and integrates an online density meter. The purification system is equipped with a purification reaction vessel with a detachable pH meter probe, which can quantitatively remove sulfate, reducing the difficulty of salt separation and crystallization, increasing the number of mother liquor circulations, and thus improving the chromium recovery rate. The feed to the eluent tank allows for reasonable adjustment of the alkali dosage according to different concentrations of components, avoiding waste and reducing costs. The detachable pH meter probe facilitates maintenance, ensures accurate monitoring, and improves the stability of sulfate removal rate and the quality of sodium chromate products.

The utility model discloses a PE (Poly Ethylene) film stretching device, which relates to the technical field of PE film production, and comprises a stretching cabinet, a plurality of groups of stretching rollers are rotatably arranged in the stretching cabinet, when a PE film is heated and stretched, a transversely arranged flaring cover can quickly collect gas generated when the PE film is heated, the gas is prevented from overflowing, and when the gas enters a confluence box, the confluence box is closed, so that the stretching rollers can stretch the PE film. A dust screen can filter gas entering a collecting pipe, dust is prevented from entering a filter box, the filtered dust falls into a collecting drawer, follow-up collection and unified treatment are facilitated, an activated carbon plate, a carbonized fiber plate and a molecular sieve arranged in the filter box can fully adsorb and purify gas such as ethylene and formaldehyde step by step, and the purification efficiency is improved. And the supporting plate is rotationally fixed to one side of the stretching cabinet, and when the stretching cabinet is not used, the filtering box is taken down and then the supporting plate can be rotated downwards, so that the size of the device is further reduced, and carrying and storage are facilitated.

A split type display box easy to fix comprises an inner box body and an outer box body wrapping the outer side of the inner box body, a plurality of edges of the inner box body are each provided with a first folded edge for reinforcing the box body, the first folded edges are provided with inserting holes, a plurality of edges of the outer box body are each provided with a second folded edge corresponding to the first folded edge in position, and the inserting holes are formed in the inserting holes. One side, far away from the outer box body, of the second folding edge is provided with an insertion tongue matched with the corresponding insertion hole, and the rear side of the outer box body is provided with at least two hook-shaped plates which are clamped with each other. Through the design of the inner box body and the outer box body, the advantage that a split type structure is convenient to transport is reserved, the defect that a traditional split type box is insufficient in protection performance is overcome through the innovative insertion connection mode of the insertion holes of the first folded edges and the insertion tongues of the second folded edges, and the effects of simplifying the assembly process and reducing the storage and transportation cost are achieved.

The pressure swing adsorption mechanism comprises an adsorption tower with a built-in pressure controller, a gas inlet, a gas outlet and adsorption boxes, the adsorption boxes are arranged in the adsorption tower at equal intervals, a filter screen is arranged on the outer side of the gas outlet in a sleeving mode, the upper end of the filter screen is fixedly connected with a connecting plate, and the upper end of the filter screen is fixedly connected with the connecting plate. Meanwhile, the connecting plate is inserted into a fixing plate fixed at the right upper end of the adsorption tower, and the fixing mechanism, the connecting plate and the fixing plate drive the filter screen to form a detachable structure on the outer side of the air outlet. According to the pressure swing adsorption mechanism for hydrogen purification, multiple groups of adsorption boxes are arranged in the adsorption tower, an adsorbent is laid in each adsorption box, the adsorption boxes can make full contact with gas, the more sufficient adsorption effect is achieved, a filter screen is arranged at a gas outlet, fine impurities contained in hydrogen can be treated, and the purification efficiency is improved. And in combination with the arrangement of a fixing mechanism, the filter screen is convenient to disassemble, clean and replace.

The utility model belongs to the technical field of waste gas treatment, and discloses a waste gas treatment device by a spraying method, which comprises an adsorption tank and a water inlet pipe connected with a water pump, one side of the lower end of the adsorption tank is connected with a gas inlet pipe, and the top end of the adsorption tank is connected with an exhaust pipe. An upper spraying mechanism, an upper gas buffer layer, a lower spraying mechanism and a lower gas buffer layer are sequentially arranged in the adsorption tank at intervals from top to bottom, the joint of the gas inlet pipe and the adsorption tank is located below the lower gas buffer layer, and the upper spraying mechanism and the lower spraying mechanism are both connected with the water inlet pipe; the upper spraying mechanism is horizontally arranged, at least two upper spraying nozzles with downward openings are uniformly distributed at the bottom of the upper spraying mechanism at intervals, the lower spraying mechanism is of a cylindrical structure which is annularly distributed along the inner wall of the adsorption tank, and at least two lower spraying nozzles with openings facing the central axis of the adsorption tank are uniformly distributed on the inner side of the lower spraying mechanism at intervals. According to the waste gas purification device, spray water can be in full contact with waste gas, pollutants in the waste gas are fully absorbed, and the waste gas purification treatment effect is effectively improved.