259results about How to "Improve foaming efficiency" patented technology

The invention provides a preparation method of a self-adhesion silicon rubber foam material. The method comprises the following steps: mixing silicon rubber, a foaming agent, a vulcanizing agent, a reinforcing agent and micromolecular silicon oil as raw materials, milling and sheeting, and performing heat treatment foaming to obtain the self-adhesion silicon rubber foam material. Compared with an existing preparation method, the method has the characteristics that the used raw materials have few varieties and are simple and easy to prepare, low in cost and free of environmental pollution; moreover, by adopting the heat treatment foaming technology, the prepared silicon rubber material is a foam material for foaming, which is high in foaming efficiency, light in weight, excellent in heat insulation property, high and low-temperature resistance, chemical stability and physiological inertia and good in self-adhesion performance, and the force of adhesion between the foam material and an aluminum plate is 10-25N/mm.

The invention provides an antifreezing foaming drainage agent, and a preparation method and application thereof. The antifreezing foaming drainage agent is prepared from the following raw materials in percentage by weight: 20-35% of fatty alcohol polyethenoxy ether phosphate sodium salt, 10-20% of sodium alpha-olefin sulfonate, 2-3% of polyanionic cellulose, 1-2% of coco fatty acid diethanol amide, 2-4% of alcohol, 1-1.5% of potassium carbonate, 1-1.5% of sodium chloride, 0.5-1% of urea, 0.5-1% of sodium acetate and the balance of water. The preparation method comprises the following step: sequentially adding the raw materials into a reaction vessel while stirring. The antifreezing foaming drainage agent provided by the invention has the advantages of excellent oil resistance, excellent salt tolerance, excellent foaming capacity, excellent water carrying capacity and low solidifying point (-30 DEG C), and is suitable for drainage and gas recovery operation of natural gas wells under severe cold conditions.

The invention provides a novel thermal insulation mortar foaming agent and a preparation method thereof, belongs to the technical field of foaming agent and provides the novel thermal insulation mortar foaming agent, which is characterized by small generated foams, independent enclosing, high intensity, good stability and excellent uniformity and dispersity, and the preparation method thereof. The novel thermal insulation mortar foaming agent is prepared by the following components in part by weight: 4 to 20 parts of lauryl sodium sulfate, 5 to 15 parts of sodium dodecyl benzene sulfonate, 1 to 10 parts of alpha-olefin sulfonate, 0.01 to 3 parts of HPMC, 0.01 to 3 parts of gelatine powder, 1 to 10 parts of glue, 0.02 to 3 parts of polyether emulsion, 1 to 10 parts of animal protein, 50 to 70 parts of water, 5 to 10 parts of sodium alcohol ether sulphate, 10 to 15 parts of rosin, 0.01 to 2 parts of ninol, 1 to 10 parts of siliceous dust, 0.02 to 3 parts of silicon resin, 0.1 to 3 parts of water reducer, 1 to 5 parts of caustic soda and 0.1 to 2 parts of hydrochloric acid. The novel thermal insulation mortar foaming agent is applied to the technical field of foaming agent.

The invention provides polyurethane foam for an all-plastic plastic runway and a preparation method thereof. The preparation method comprises the steps that 28-35% of polyether polyol, 45-52% of stuffing, 8-12% of plasticizers and 8-15% of isocyanate are weighed by weight and react at 65-70 DEG C for 3-4 hours; the isocyanato quantity in the reaction system is detected; when the isocyanato quantity is 7.0-7.5, 0.5-1.5% of silane coupling agents are dropwise added in the reaction system until the isocyanato quantity in the system is 5.0-5.5; the temperature is lowered to 50-55 DEG C, then antiaging agents are added, the temperature is lowered, filtering and packaging are performed, and polyurethane is obtained; when construction is performed, foaming agents are added at room temperature for foaming to obtain the polyurethane foam. According to the polyurethane foam, the polyurethane is modified through the silane coupling agents, the foaming efficiency is improved, the better micro-air-bag structural material is obtained, and the requirements of an elastic layer of the plastic runway are met.

The invention provides a beef cattle breeding method. The beef cattle breeding method comprises the following steps that firstly, beef cattle of improved variety are selected; secondly, cows are raised; thirdly, a breeding method is conducted, wherein a, estrus induction is conducted on the cows close to the estrus, the cows are observed very carefully early in the morning and at nightfall, and observation is conducted every 4-5 hours in the daytime for estrus situation identification, and an outer observation method and a rectal palpation method for the follicular development degree are adopted as the estrus situation identification method, and b, artificial fertilization is conducted through a rectum grasping semen deposition method at estrus stage III; fourthly, the cows are kept under the precious care as long as pregnancy is confirmed according to the situation that the cows are not in estrus any longer within two to three months after semen deposition, or through rectum pregnancy check so that the cows can breed healthy calves, and if false pregnancy is found, re-copulation measures are taken in real time to reduce the breeding loss. By means of the method, the physique of the cows is improved, and the breeding rate of the beef cattle is further increased through estrus induction.

The invention relates to a liquid foaming agent injection method, belonging to the field of natural gas exploitation. The method comprises the following steps: (1) mounting a packer at a pipe shoe of an oil pipe to separate the oil sleeve annulus and the well bottom; (2) mounting a short coupling on the upper part of the packer, wherein the side surface of the short coupling is provided with a foaming agent channel which communicates the oil sleeve annulus with the lower part of the short coupling, and the lower part of the short coupling is connected with capillaries and communicated to an accumulated liquid on the middle lower part of the well bottom all along; (3) injecting the foaming agent from a well mouth oil sleeve annulus gate to the oil sleeve annulus, wherein the foaming agent resides and gathers at the oil sleeve annulus on the upper part of the packer, and enters the accumulated liquid through the foaming agent channel of the short coupling and the capillaries on the lower part; and (4) mixing natural gas and the foaming agent solution, wherein the mixture passes through a torsional porous plate at the center of the short coupling, enters the oil pipe on the upper part, and is finally discharged. The invention enhances the utilization ratio of the foaming agent, the mixing degree of the foaming agent with the well bottom accumulated liquid, and the foaming efficiency, reduces the use amount of capillaries, and lowers the cost.

The invention discloses a composition for producing a foaming silica gel plate and a production method of the foaming silica gel plate. The composition for producing the foaming silica gel plate comprises the following ingredients by weight: 100 of silicon rubber, 3-4 of foaming agent, 1-2 of vulcanized agent and 1 of colorant, wherein the foaming agent comprises the following ingredients by weight, 100 of azodiisobutyronitrile, 50-80 of methyl vinyl silicone rubber, and 10-30 of vinyl silicon oil, and the vulcanized agent comprises 100 of dibenzoyl peroxide and 50-120 of methyl vinyl silicone rubber. The production method of the foaming silica gel plate comprises the following steps: mixing, calendaring, synchronization foaming under normal pressure and vulcanization, so as to prepare the continuous foaming silica gel plate. Compared with the prior art, the foaming silica gel plate has the advantages of high foaming multiplying power and low density; and the foaming silica gel plate can be continuously produced by adopting the production method of the foaming silica gel plate, and the production method has the advantages of high raw material utilization rate and low labor intensity.

The invention discloses machining equipment used for foamed concrete. The machining equipment comprises a barrel and a stirring assembly. The stirring assembly comprises a mounting column, a rotatingshaft, first bevel gears, second bevel gears, stirring rods, stirring branch rods, a mounting rack, a mounting plate, a motor, a driving bevel gear, a transmission bevel gear, a driven bevel gear, a worm segment, a worm gear and a connecting rod. An opening is formed in the top of the mounting column. Multiple air suction fan blades are mounted on the rotating shaft from top to bottom at intervals. Multiple aeration holes are evenly formed in the segment, located on the outer portion of the mounting column, of each stirring rod. The machining equipment is provided with the stirring assembly, the stirring rods drive the stirring branch rods to do autorotation while doing revolution, stirring is achieved sufficiently and evenly, and the concrete foaming efficiency is improved; by means of changes of the angles of the stirring rods and the stirring branch rods, the stirring range is widened; and the air suction fan blades and the aeration holes are arranged, when the rotating shaft rotates, wind is generated by the air suction fan blades, the wind enters the mounting column, then enters the stirring rods and is finally sprayed out from the aeration holes, more bubbles are generated, and the foaming efficiency is further improved.

The invention belongs to the technical field of polyurethane production equipment and particularly discloses a polyurethane foaming system. The polyurethane foaming system comprises a dual stirring unit and a water control unit, wherein a heating cylinder is fixedly mounted on the upper surface of an upper bottom plate II; a stirring bin is located in the heating cylinder; a water storage bin is located between the outer wall of the heating cylinder and a side plate I; a foaming bin is located between the upper bottom plate II and a lower bottom plate I; the dual stirring unit is located in the stirring bin; the water control unit is located in the foaming bin; a spiral plate I is fixedly mounted at the lower end of a connection rod I through a mounting rack I; the upper end of the connection rod I is fixedly connected with a mounting rack II; a spiral plate II is fixedly mounted on the lower surface of the mounting rack II. The invention discloses a processing method of dual stirringtype polyurethane heat insulation boards. The polyurethane foaming system is mainly used for producing the polyurethane heat insulation boards and is capable of rapidly and uniformly mixing the raw materials, accelerating the melting of the raw materials and improving the foaming quality of the raw materials.

The invention discloses an additive composite used for preparing expandable polystyrene, and a preparation method and an application thereof. The additive comprises the following raw materials in parts by weight: 0.5-2 parts of pore regulator, 0.1-1 part of plasticizer, 2-8 parts of heat insulation agent, and 1-4 parts of synergistic flame retardant, wherein the pore regulator is polyolefin wax of which the dropping point is 95-135 DEG C, the needle penetration is less than 1mm at 25 DEG C, and the kinematic viscosity is less than 2000mm<2>/s at 149 DEG C; the plasticizer is olefin polymer without a polar functional group, and the kinematic viscosity of the olefin polymer is less than 20mm<2>/s at 100 DEG C; the heat insulation agent is graphite; and the synergistic flame retardant is antimony oxide or zinc borate. According to the preparation method of the additive provided by the invention, extruding granulation can be completed without the need for carriers and dispersing agents. The additive provided by the invention is convenient to convey, store and charge, and when the expandable polystyrene prepared by adding the additive is used for manufacturing a foaming product, the foaming efficiency is high, the cycle is short, environment is protected, and the characteristics of heat insulation and flame retardance are good.

The invention relates to a thermal-insulation decorative plate, which comprises a foaming material layer and a cloth cover material layer arranged on the foaming material layer and capable of enabling the foaming material layer to permeate in. The cloth cover material layer is coated with a sand solidification material layer, and decorative sand for forming decorative patterns is solidified in the sand solidification material layer. The invention further relates to a preparation method of the thermal-insulation plate, during foaming, foaming materials in the foaming material layer enter the cloth cover material layer and bond with the cloth cover material layer to form the thermal-insulation decorative plate. By mean of the preparation method, bonding between a thermal-insulation layer and the sand solidification material layer of the thermal-insulation decorative plate is firm and not prone to layering.

The invention discloses a TPU/EVA supercritical foam composite material and a preparation method thereof. The TPU/EVA supercritical foam composite material is prepared from, by weight, 300-360 parts of a thermoplastic polyurethane elastomer, 66-73 parts of an ethylene-vinyl acetate copolymer, 25-33 parts of a maleic anhydride grafting modifier, 9-14 parts of peroxide and 1.2-1.6 parts of a nucleating agent. The TPU/EVA supercritical foam composite material has the advantages of good foaming effect, high foaming efficiency, uniform, small and dense cells, excellent mechanical properties and useproperties such as light weight and high strength, high tensile strength, large elongation at break, good mechanical properties, high tear strength, good tear resistance and low density.

The invention discloses a thermoplastic polyurethane foaming bead particle and a preparation method thereof. The preparation method comprises the following steps of (1) extruding a foaming-level thermoplastic polyurethane resin composition, and granulating, so as to form the to-be-foamed particles with uniform shape and weight; (2) uniformly heating the to-be-foamed particles by screw conveying heating equipment to approximate the foaming temperature, conveying into a constant-temperature high-pressure reaction kettle, filling supercritical fluid, permeating and swelling to reach dispersion balance, so as to form a polymer-supercritical fluid homogeneous system; (3) controlling the pressure release speed in the system, and foaming and swelling the to-be-foamed particles, so as to form thefoaming bead particle with special structure. The preparation method has the advantages that the production process is clean and environmentally friendly, the efficiency is higher, the prepared foaming bead particle has light specific weight and high mechanical property, and the thermoplastic polyurethane foaming bead particle can be applied to the fields of package, shoes, sports articles and thelike.

The invention relates to gypsum board foaming mixing equipment. The gypsum board foaming mixing equipment is characterized in that a foaming agent storage tank is connected to a mixer sequentially through a foaming agent pump, a foaming mixing pump and a pair of beating pumps via foaming agent conveying pipelines; a clean water inlet and a compressed air inlet are connected between the foaming agent pump and a foaming mixing pump; an outlet of the foaming agent mixing pipeline is arranged at the outer side of a material outlet of the mixer. The gypsum board foaming mixing equipment has the advantages that the adding position of a foaming agent is adjusted from the interior of the mixer to the outlet of the mixer, and the direction of the outlet is tangential to the rotation direction of the mixer, so as to ensure the mixing effect of the foaming agent and slurry, and reduce the foam loss of the foaming agent in the mixer; by adjusting and controlling the foaming system, the dense smallgas pore structure of a paper-surface gypsum board core is changed into a honeycomb-shaped large gas pore structure, so that at the premise of ensuring the strength and adhering property of the gypsum board, the weight is reduced, the toughness is improved, the defects of poor toughness, easiness in moisture absorbing and deformation and the like are overcome, the foaming effect is improved, andthe foaming efficiency is improved.

The invention discloses a foam generation device for a toilet bowl. The foam generation device comprises a water inlet pipe, an air inlet pipe, a foaming agent pipe and a mixing device connected to the tail end of a pipe and used for fully mixing water, air and foaming agents and generating foam. The tail end of the mixing device is connected with a foam outlet pipe. The mixing device comprises at least one static mixing unit. A plurality of continuously twisting fins are arranged in each static mixing unit so that liquid entering the mixing device can change the flow direction continuously to achieve mixing of the air and the liquid, and fine foam is generated. The foam generation device has the advantages of being capable of generating high-quality foam continuously even at quite low pressure, not prone to blockage and excellent in foam pushing capacity.

The invention relates to a chemical-enhancing type gas production technology. The method is characterized in that at least a filling system, an output system and a gas-liquid separating device are used for performing chemical-enhancing gas production. The technology comprises the following steps: filling a foaming agent which comprises at least modified polyoxyethylene ether and Gemini sulfonate on the basis of the weight ratio of 15-20: 1 into a filling well at the specified rate through a filling system based on the analysis of an oil-gas well; the foaming agent disperses around the filling well after arriving at the stratum under the gravity and/ or pressure effect in order to reduce the surface tension of stratum water and lift oil and/ gas from the stratum to the gas-liquid separating device through the output system; the gas and liquid which are separated through the gas-liquid separating device can be correspondingly conveyed to a gas storing device or a liquid storing device to be stored; the separated filled water mixture is conveyed into a filled water mixture storing device to be stored; the filled water mixture and the foaming agent are filled into the water filling well through the filling system according to the analysis on the filled water mixture.

The invention discloses a plant-mixing cold-recycling foamed bituminous mixture production system, relating to the technical field of road paving devices. The plant-mixing cold-recycling foamed bituminous mixture production system comprises a stabilized soil mixing plant and a bitumen foaming device, wherein a bitumen jet pipe of the bitumen foaming device is communicated with a stirring device of the stabilized soil mixing plant, the bitumen foaming device comprises a new bitumen heating tank and a bitumen foaming pipe, the bitumen foaming pipe is of a double-layer sleeve pipe structure, and an inner-layer core pipe of the bitumen foaming pipe is sequentially provided with a self-spinning turbulator, a cross butt-jointing blade and a radial guide pipe from the inlet end to the outlet end. The plant-mixing cold-recycling foamed bituminous mixture production system is transformed by the existing stabilized soil mixing plant directly, the investment cost is low, and the stabilized soil mixing plant can achieve multiple purposes.