20results about How to "Improve foaming efficiency" patented technology

The invention discloses a foaming test device and system. According to the foaming test device, left / right atrial angiography tests can be taken into consideration at the same time, and when the foaming test device is switched into the left atrial angiography working mode, normal saline and a contrast agent can be automatically mixed to form a left atrial angiography mixed solution, and a left atrial angiography foaming solution is further formed; when the foaming test device is switched into a right atrial angiography working mode, normal saline, air and blood can be automatically mixed to form a right atrial angiography mixed solution, and a right atrial angiography foaming solution is further formed; the first injector and the second injector are matched with each other to perform reciprocating injection, so that the foaming efficiency of the left / right atrial angiography mixed liquid can be effectively improved, the time for forming the bubble liquid is shortened, automatic preparation of the left / right atrial angiography bubble liquid is quickly realized, meanwhile, the quality, preparation efficiency and consistency of the bubble liquid can be improved, and the production cost is reduced. And the accuracy of auxiliary screening is improved.

The utility model relates to a polymer volatile matter removal and recovery device, which belongs to the technical field of separation and comprises a primary positive pressure evaporation unit, a secondary vacuum extraction unit and a volatile matter recovery unit, and the primary positive pressure evaporation unit comprises a rising film type preheating evaporator, a flash separation mechanism and a falling film evaporator. And the secondary vacuum extraction unit comprises a feed heater, a gas stripping tower and a gas stripping tower gas-liquid separation module. The volatile matter recovery unit comprises a volatile matter recovery tower, a gas-phase volatile matter recovery module, a high-purity elementary substance or solvent collection module, a heavy component impurity collection module and a volatile matter recovery and reboiling module. According to the utility model, the foaming efficiency and the mass transfer area in the evaporation process are enhanced, the content of volatile matters in a polymer can be reduced to be below 0.1 wt% through two-stage evaporation, the polymer is effectively prevented from being deteriorated at high temperature in the evaporation process, the device is suitable for devolatilization of a heat-sensitive polymer, and meanwhile, the removed monomer and solvent are recycled and reused.

The utility model relates to bird's nest processing technical field especially a kind of bird's nest industrial production swelling equipment, including: outer tube and the inner tube placed in the outer tube;Between the outer tube and the inner tube constitute a heating interlayer, heating piece is installed in the heating interlayer;Wherein, the upper portion of the outer tube is placed with bucket cover, the outer tube, inner tube and bucket cover are detachably connected by locking assembly, stirring assembly is also installed in the bucket cover, in the utility model, water temperature in the inner tube is heated by heating piece, to satisfy the swelling demand of different temperature, stirring assembly is used to realize automatic stirring when bird's nest swelling, compared with manual stirring mode, the foaming efficiency of bird's nest can be greatly improved, outer tube, inner tube and bucket cover adopt modularization detachable design, not only convenient and easy to install, simultaneously, after foaming is completed, inner tube can be directly taken out to clean inside, to improve the convenience of operation.

The invention discloses a foaming device, a foaming assembly and a closestool, and the foaming device comprises a valve body which is provided with a circumferential foam outlet flow channel for supplying foam output in the circumferential direction and a vertical foam outlet flow channel for supplying foam output from the lower part; the spraying head is arranged on the valve body and is provided with a circumferential spraying opening communicated with an outlet of the circumferential bubble outlet flow channel; and the driving device is arranged on the valve body, is matched with the spraying head, and can drive the spraying head to horizontally rotate so as to enable the circumferential spraying opening to spray foam in the circumferential direction. The foaming device can improve the foaming efficiency and shorten the foaming time.

This invention discloses a highly comfortable bag backrest material. The raw materials, by weight, include: a plastic material and a solid filler, wherein the weight ratio of the plastic material to the solid filler is 100:(0.1-5). This invention uses a specific gravity of 1000-1100 kg / m³. 3 TPEE with a melt flow index of 3-8 g / 10 min is used to prepare backpack backrest materials with suitable hardness and density, capable of supporting the weight of the backpack and alleviating pressure on the back. Furthermore, the use of titanium dioxide with a particle size ≥3000 mesh as a solid filler, working in conjunction with TPEE, results in backpack backrest materials with good hardness, demonstrating good mixing and processing performance between the plastic material and the solid filler. Simultaneously, the reaction temperature during processing is 170-180℃, and the foaming pressure is 40-50 MPa, which improves the foaming efficiency of the sheet, forming cells of uniform size and structure, giving the sheet good resilience.

The utility model discloses a preparation device for porous castable, and relates to the technical field of foaming preparation. Comprising a foaming preparation main body, a mixing mechanism for foaming preparation of the porous castable is arranged in the foaming preparation main body, and the mixing mechanism comprises that a driving rod drives a second stirring rod on a connecting bracket to stir, so that the stirring path and range of materials can be increased; according to the foaming preparation device, the materials are prevented from forming a stable flowing mode in the same direction, so that the materials in different areas can be better mixed, the mixing degree of the materials is further enhanced, the quality stability of the porous castable is improved, and a scraper support fixed to one side of a connecting support rotates on the inner wall of the foaming preparation main body in an attached mode, so that the stability of the foaming preparation main body is improved. By means of the structure, materials attached to the inner wall can be scraped off, the materials participate in stirring again, accumulation and drying of the materials are avoided, cleanliness of the interior of equipment is guaranteed, the utilization rate of the materials is increased, and waste is reduced.

The invention discloses a multidimensional plant growth matrix material, and relates to the technical field of soilless cultivation. The multidimensional plant growth matrix material disclosed in the invention is a polyurethane foam matrix for soilless cultivation, and it is a mixture white material obtained by mixing bio-oil-based polyester / polyether polyol, amine catalyst, foam stabilizer, sodium secondary alkyl sulfonate and deionized water; organic modified diatomite and cross-linking agent are mixed into a premix; polyisocyanate is added to the mixture white material, stirred for 15-25s, then dioctyltin mercaptide and premix are added sequentially, stirring is continued for 5-8s, poured into a mold for curing for 2-4h, then warmed to 60-70°C for 3-8h. The preparation method of the matrix material provided by the invention is simple and easy to operate, and the raw material is environmentally friendly, so that the matrix material obtained is biodegradable, has excellent mechanical properties and compressive strength, and has high water absorption, high water retention rate and high porosity at the same time, has a higher cation exchange capacity, and is conducive to the growth of multidimensional plants.

The invention discloses polyimide foaming equipment for conformal foaming of pipe fittings in space, which comprises an outer cavity, an inner cavity, a microwave infrared integrated device, a rotating mechanism, a swinging mechanism, a control cabinet and a fan, the microwave infrared integrated device is connected and fixed to the wall of the inner cavity through bolts to introduce heat into the inner cavity, the rotating mechanism is fixed to an inner cavity frame, the swing motor is fixed to the bottom of the outer cavity, and the control cabinet and the fan are fixed to the outer side of the outer cavity. Before foaming, polyester amine salt powder is evenly placed in a pipe cavity of the carbon fiber rod piece, and the pipe cavity of the carbon fiber rod piece is placed in a shaping device and fixed through a quick-release clamp. The foaming equipment disclosed by the invention adopts a microwave infrared integrated device for heating, is rapid in heating, high in foaming efficiency and low in safety risk, and conforms to green, energy-saving and efficient development; the swing mechanism and the rotating mechanism can ensure that polyester ammonium salt precursor powder is uniformly distributed in the rod cavity, the bubble generation and curing speed can be automatically adjusted, and the foaming quality is improved.

The utility model discloses a coco coir brick soaking device for blueberry substrate production, which belongs to the technical field of blueberry substrate production, and comprises a top plate, the bottom of the top plate is fixedly connected with a connecting box body, one side of the connecting box body is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a bidirectional screw rod; the two-way screw rod is rotatably connected to the interior of the connecting box body through a bearing, a fixed rod is fixedly connected to the interior of the connecting box body, two movable plates are in threaded connection to the two-way screw rod, two connecting rods are rotatably connected to the bottoms of the movable plates, and the number of the connecting rods is four. According to the coco coir brick soaking device for blueberry matrix production, by arranging pointed cones, a bidirectional lead screw, a connecting rod, a lifting plate and a moving plate, the coco coir brick is perforated through downward movement of the pointed cones, so that the interior of the coco coir brick can be in full contact with water, the interior of the coco coir brick can quickly absorb water, and the soaking efficiency is improved.

The application provides a corn straw-based foam material and a preparation method and application thereof. The foam material is prepared from the following raw materials in mass fractions: corn straw 2-30 parts, foam stabilizer 0.5-5 parts, foaming agent 0.01-2 parts, flocculating agent 0.1-2 parts and deionized water 50-150 parts. Through specific chemical and physical process treatment, the corn straw can be converted into a porous structure foam material. The foam material has the advantages of light weight, high strength and good heat insulation performance, and can be applied to the fields of heat insulation, heat preservation, packaging and filling materials. The application can effectively utilize the waste in agricultural production, reduce environmental pollution and provide a new type of environment-friendly material for the industrial field. The materials not only improve the added value of agricultural by-products, but also broaden the application range of the materials in the fields of building, packaging, filling materials and the like.

The utility model discloses an indoor foaming system for subway shield foam. The indoor foaming system comprises a glass container, an air compressor, a mixing barrel, a foam generating device and a spray head, the output end of the glass container is connected with the input end of the mixing barrel, and the output end of the mixing barrel is connected with the first input end of the foam generating device; the air compressor is connected with the second input end of the foam generating device; the output end of the foam generating device is connected with the nozzle. The technical problems that in an existing subway shield muck improvement test, the experimental environment is prone to being interfered, needed foam is not easy to obtain, foam is not quantitatively produced, and the foaming efficiency is low are solved, accurate control over the concentration, flow and pressure of foam mixed liquid is achieved, therefore, the proportion of the foam mixed liquid is more flexible, the requirement needed by the experiment is conveniently met, and the experiment efficiency is improved. And the foaming efficiency and the foaming quantity are improved.

The utility model discloses a preparation device of an ultrasonic microbubble contrast agent for judging the position of a deep venous catheter, which is used for preparing the microbubble contrast agent and comprises a foam maker, an injector and a connector, and the injector is connected with the foam maker through the connector; the foam maker comprises a stirring bin, a driver and stirring fan blades, the stirring bin is connected with the injector through a connector, the stirring fan blades are arranged in the stirring bin, and the driver is arranged outside the stirring bin and connected with the stirring fan blades. According to the utility model, the foam maker is used for automatically foaming, so that rapid, stable and uniform foaming is realized, the consistency of the effect of a microbubble contrast agent is ensured, the foaming efficiency is higher, the quality is more stable, and the imaging effect of the contrast agent is ensured; after foaming is conducted through the foam maker, injection of the microbubble contrast agent can be directly conducted, operation is simplified, consumed time is shortened, microbubble ablation is avoided, and the quality of injection operation of the microbubble contrast agent is effectively guaranteed.

The present application relates to the field of fluid control and foaming technology, and particularly relates to a hydraulic foaming valve device, which comprises a base structure with a fluid flow channel; the base structure is provided with a liquid storage cavity for accommodating foaming liquid, and the liquid storage cavity is adapted with a driving component driven by hydraulic pressure to discharge the foaming liquid in the cavity; the base structure is also provided with a fluid input structure in communication with an external water supply pipeline and a foaming function structure for realizing gas-liquid mixed foaming; the foaming liquid discharged from the liquid storage cavity can be merged with the water flow introduced by the fluid input structure, and then the merged liquid can form foam output through the foaming function structure. The driving component driven by hydraulic pressure to discharge the foaming liquid in the cavity can automatically discharge the foaming liquid for foaming after the water supply is connected.

The utility model provides an EPS (Expandable Polystyrene) particle foaming device which comprises a foaming tank, a plurality of foaming net cages are mounted in the foaming tank from top to bottom, a rotating shaft is rotatably connected between the top and the bottom of the foaming tank and penetrates through the foaming net cages, and a plurality of groups of stirring plates are fixed on one section of side wall, positioned in the foaming net cages, of the rotating shaft. Air outlet pipes are radially installed at the bottoms of the multiple sets of stirring plates, multiple air outlet holes are formed in the bottoms of the air outlet pipes, a clutch assembly capable of being clamped with the rotating shaft is installed at the top of the foaming net box, the bottom of the foaming net box is open, and a conical discharging base capable of being opened in a lifting mode is installed at the opening; and a plurality of feed openings are formed in the circumferential bottom of the foaming tank. The device adopts a form of simultaneous foaming of a plurality of layers of foaming net cages, a large amount of EPS particles are packaged and foamed, and steam is discharged from the inside while stirring, so that the EPS particles are in full and uniform contact with the steam, and the foaming efficiency is greatly improved.

This application relates to the field of refrigerator technology, disclosing a mating component for a refrigerator light box, including a mating plate having a first wall surface and a second wall surface. An installation structure is provided on the first wall surface for mounting the mating plate to the refrigerator light box. A snap-fit ​​mating structure is provided on the second wall surface of the mating plate, with a snap-fit ​​interface on one side. The snap-fit ​​interface is used to insert into a snap-fit ​​structure provided on the refrigerator main control board box, such that the wall surface of the snap-fit ​​structure facing the refrigerator main control board box abuts against the inner wall surface of the snap-fit ​​interface facing the mating plate, so that the snap-fit ​​structure and the snap-fit ​​mating structure engage. The mating component and the refrigerator main control board box are installed as a whole, transforming the refrigerator light box and refrigerator main control board box, which were each subjected to a unidirectional foaming force, into a whole subjected to a unidirectional foaming force, preventing the refrigerator light box and refrigerator main control board box from bulging during foaming. This mating component is a structure installed inside the refrigerator, requiring no disassembly before or after foaming, thus improving foaming efficiency.

The application relates to the field of polymer foaming materials, and particularly discloses an antiskid foaming shoe sole material and a preparation method thereof. The antiskid foaming shoe sole material comprises the following raw materials in parts by weight: ethylene-vinyl acetate copolymer 40-60 parts, foaming agent 1-3 parts, crosslinking agent 1-3 parts, butyronitrile rubber 10-20 parts, glass fiber 1-3 parts, nano silicon dioxide 0.5-1 part, coupling agent 0.3-0.5 part, and the content of vinyl acetate in the ethylene-vinyl acetate copolymer is 20-30%. The antiskid foaming shoe sole material disclosed by the application improves the friction between the shoe sole material and the ground by adding glass fiber and nano silicon dioxide, so that the shoe sole material has excellent antiskid performance.

The present application relates to a kind of high-temperature-resistant polymer foam material and its preparation method, belong to polymer processing technical field.The present application is by BMI resin (bismaleimide resin) and polyaryletherketone resin are compounded, after foaming, heat treatment is carried out, BMI resin is completed solidification, crosslinking structure is formed, to form semi-interpenetrating network, so, compared with the mechanical properties and heat resistance of polyaryletherketone foam of thermoplasticity, material can be obviously improved, in addition, the cold-pressing foaming mode used in the present application has the characteristics of short heat preservation time, foaming efficiency is high, can effectively control the solidification degree of BMI resin in foaming process, avoid BMI resin excessive crosslinking, so that composite material has good foaming performance.

The invention discloses a method for preparing a high-melt-strength HDPE (high-density polyethylene) material, and belongs to the technical field of preparation of high-density polyethylene cross-linked materials, the method comprises the following steps: (a) preparing an HDPE raw material, a compounded peroxide mixture and other auxiliaries; (b) uniformly mixing the HDPE raw material, the compounded peroxide mixture and other auxiliary agents; (c) adding the mixed material into a double-screw extruder for melt extrusion, and controlling the rotating speed and temperature distribution of screws to fully melt and crosslink the material in the extruder; (d) cooling and shaping the cross-linked material subjected to extrusion molding to obtain a required HDPE cross-linked material product, by reasonably selecting and compounding two or more peroxides with specific characteristics, the melt strength of HDPE is enhanced, the foaming efficiency is improved, the gel content is reduced, and the effects of uniform foaming, low density, high modulus and high pressure bearing capacity are achieved.

The utility model relates to a compressed gas foam generating device belongs to coal mine fire prevention technical field. The utility model discloses water inlet unit, jet mixing unit, static mixing unit, foaming unit and foam output unit are sequentially communicated along the medium flow direction. The utility model adopts three -level net -like foaming structure, and the gas -liquid contact and bubble dispersion effect are strengthened gradually, and the foam expansion multiple and stability have been improved significantly, the water pressure is changed through the adjustment water inlet valve, thereby the negative pressure intensity that jet nozzle produces is adjusted, realizes the quantitative inhalation of foaming agent, makes the ratio of water and foaming agent can be accurately controlled under different working conditions, through the liquid suction of jet nozzle negative pressure and the multiple disturbance effect of static helical spoiler, make water and foaming agent fully homogeneous mixture. The foam bubble particle size distribution of the utility model finally output is even, and the structure is compact, has higher expansion degree and covering performance, can be applied to mine fire prevention and disaster emergency disposal efficiently.

A full-automatic bath foaming machine comprises a water storage box, a foaming component, a shell of the foaming component and an upper cover of the foaming component, the foaming component is arranged in the shell and the upper cover and additionally arranged on the water storage box, the foaming component comprises a stirring structure, a foam maker structure, a battery and a control main board, and the foaming component is integrally assembled in an internal support. A stirring structure is arranged below the inner support, a foam maker structure, a battery and a control mainboard are arranged in the inner support, the foam maker structure comprises a foam pump and a foaming box, a foam extrusion opening is formed in the foaming box, and the foam extrusion opening extends out of the shell through a hole in the shell. According to the full-automatic bathing and foaming machine, the stirring blades are integrated for uniform stirring and mixing, the foam pump is arranged for pumping mixed liquid, the mixed liquid passes through the foaming box, the liquid is conveyed into the bubble box through the pump body to finally efficiently form a large amount of foam, time is saved when the liquid is supplied to pets for bathing, efficiency is improved, the foaming efficiency is high, and the full-automatic bathing and foaming machine is convenient and practical.