30results about How to "Good foam breaking effect" patented technology

The invention relates to a defoaming agent composition which is prepared by compounding 20-30 parts by mass of branched polyether, 10-20 parts by mass of modified nano silica, 20-30 parts by mass of polyorganosiloxane and 20-30 parts by mass of a solvent. The defoaming agent composition combines the hyperbranched polyether and the modified nano silica together, has an obvious synergistic effect, so that the hyperbranched polyether and the modified nano silica can be more compatible, defoaming properties of the hyperbranched polyether and the modified nano silica in high temperature environment can be increased, when the adding amount is about 30 mug / g, the defoaming rate can reach more than 90%, and the defoaming performance is strong.

The invention provides a steam valve and an electric cooker comprising the steam valve. According to the invention, the steam valve comprises a valve body (10), a valve cap (30) and a valve seat (20), wherein the valve body (10) is provided with an air outlet (101) opening upwards; the valve cap (30) is arranged at the upper end of the valve body (10) and provided with an opening corresponding to the air outlet (101); the valve seat (20) is arranged at the lower end of the valve body (10); the bottom of the valve seat (20) is provided with an air inlet (201); and the air inlet (201) is provided with a returnable air retainer. According to the invention, the steam valve can effectively break foams, has good anti-spilling effect and can allow pressure difference to be generated inside the electric cooker so as to increase the cooking mouthfeel of rice. According to the invention, the electric cooker comprises the steam valve.

The invention provides a surfactant composition comprising amino polyether organosilicone, silicon paste, an emulsifier, a thickener and water, wherein relative to each 25 g of the surfactant composition, the amount of the amino polyether organosilicone is 2-4 g, the amount of the silicon paste is 2-3 g, the amount of the emulsifier is 0.1-2 g, the amount of the thickener is 0.05-0.5 g, and the amount of water is 16-20 g; the silicon paste is prepared from gas-phase silica and dimethyl silicone oil, the amount of the fumed silica is 1-9 g/100 g silicon paste, and the amount of the dimethyl silicone oil is 91-99 g/100 g. The surfactant composition can be used as a defoaming agent; through thermal stability testing, the surfactant composition has no emulsion breaking and oil floating, and has the property of acid and alkali resistance.

The invention discloses a steam valve with rotary bubble breakers, and aims to solve the problems that an existing steam valve rotary bubble breaker is low in bubble breaking rate, poor in bubble breaking effect, and imbalance in motions; the steam valve comprises a valve seat and a valve cover; the valve seat is provided with a steam inlet; the valve cover and the valve seat can form a steam chamber connected with the steam inlet; the steam valve comprises a first rotary bubble breaker and a second rotary bubble breaker respectively arranged in the steam chamber in a rotary manner, and the rotary bubble breakers can be driven by the steam ejected from the steam inlet to rotate, thus breaking bubbles; the advantages are that the two rotary bubble breakers can be simultaneously driven to rotate, thus providing high bubble breaking rate, dispersing the steam impact force, and ensuring the rotary bubble breakers to stably and normally work; when one rotary bubble breaker fails, the bubble breaking work can be ensured to be normally done, thus preventing the steam valve bubble breaking system failure, and allowing the steam valve to have more stable bubble breaking effect.

The invention discloses a scrubbing-resistant anti-microbial inner wall emulsion paint. The emulsion paint comprises raw materials: modified PVA, methyl methacrylate, polymethyl methacrylate, light calcium carbonate, talcum powder, lithopone, calcined kaolin, hydroxyethyl cellulose, a dispersant SN-5040, a dispersant SN-5027, a multifunctional auxiliary agent AMP-95, 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate, an antifoaming agent NXZ, negative ion-anti-microbial additives, sodium polyphosphate, a flatting agent, a nano stain-resistant agent NZM-1, propylene glycol, 5-chloro-2-methyl-4- isothiazolin-3-ketone and deionized water. The inner wall emulsion paint is not easy to generate powder, has good scrubbing resistance and stain resistance, is safe and environmentally friendly, and has a long anti-microbial validity period.

The invention provides a bidirectional processing cutter set and a wall breaking device and belongs to the field of food processing. The bidirectional processing cutter set comprises a cutter head, acutter cylinder, a transmission device and a driving device, wherein the output end of the driving device is connected with the input end of the transmission device, the transmission device comprisesa first output end and a second output end, the first output end and the second output end are coaxially arranged, the rotation direction of the first output end is opposite to the rotation directionof the second output end, the cutter head is arranged at the first output end, the cutter cylinder is arranged at the second output end, and the cutter head is arranged in the cutter cylinder. The directional processing cutter set disclosed by the invention can increase speed difference and contact chance between food materials and the cutter, so that a processing efficiency is effectively improved; the bidirectional processing cutter set has good stirring and foam breaking effects, makes the food materials evener and avoids bottom sticking; the bidirectional processing cutter set further canmaintain stable motor load and has a motor protection effect.

The invention discloses a soybean milk making machine which comprises a barrel, a crushing device, a crushing motor, a boiling heating component, a foam breaking heating component and an anti-overflowing structure. Annular foam breaking ribs protruding out of the inner wall face of the side wall of the barrel are constructed on the side wall of the barrel. The crushing device is arranged inside the barrel. The crushing motor is connected with the crushing device. The boiling heating component is at least used for heating and boiling raw soybean milk. The foam breaking heating component is not lower than the highest liquid level inside the barrel in the heating and boiling process. The foam breaking ribs are not lower than the highest liquid level. The anti-overflowing structure is arranged inside the barrel and is not lower than the highest liquid level. Due to the fact that the independent foam breaking heating component is arranged on the soybean milk making machine, and foams are broken in a heating mode through the foam breaking heating component, the foam breaking efficiency is improved, and the foam breaking effect is better due to the facts that the foam breaking ribs and the anti-overflowing structure are arranged and the foam breaking heating component is arranged in a matched mode.

The invention relates to the field of chemical engineering, in particular to a preparation method of a modified silane papermaking wastewater defoaming agent. The preparation method comprises the following steps of firstly, synthesizing trifluoropropyl-containing fluoroalkyl modified siloxane, and then reacting with semicarbazide modified organic silicon and white carbon black under the action ofa catalyst to carry out hydrophobic modification on the surface of the white carbon black. The obtained defoaming agent has good defoaming and foam inhibition effects on black liquor generated in thepapermaking and pulping process with high temperature and high alkali content at the same time; by using the defoaming agent, the pulp washing effect can be improved, the water consumption is reduced,the energy is saved, the environment is protected, and the defoaming agent can be applied to each link of pulp production.

The invention discloses a method for preparing an emulsion type defoaming agent from polyether modified silicone oil. The method is as follows: adding the polyether modified silicone oil, silicon dioxide, sodium carbonate, white carbon black and malonic acid into a reaction kettle, uniformly stirring the components, heating to 110-140 DEG C, stirring at a speed of 20-120 rpm for reacting for 3-5 hours, cooling to room temperature, adding a fatty acid amide anionic surfactant, uniformly stirring, and standing for at least 1 hour to obtain a mixture; heating the mixture to 60-80 DEG C, adding anOP-10 emulsifier and an SP-80 emulsifier, uniformly stirring, reacting for 20-30 minutes, adding deionized water, continuously stirring for 10-15 minutes, stopping stirring, cooling to room temperature, and standing for 1 hour to obtain the product.

The invention relates to the field of household appliances and discloses a steam valve and an electric cooker. The steam valve comprises a foam breaking structure, the foam breaking structure comprises a foam breaking chamber (12) and a foam breaking member (13), the foam breaking chamber (12) has a steam inlet (120) and a steam outlet (121), and the foam breaking member is arranged in the foam breaking chamber and can reciprocate between the steam inlet and the steam outlet, so that the foam breaking chamber is in an expanding shape from the steam inlet to the steam outlet. The expanding foambreaking chamber enlarges the steam discharge area, so that liquid such as rice soup can flow back easily. By applying the steam valve to the electric cooker, the cleanness and the safety performanceof the electric cooker are improved.

The invention discloses a defoaming agent for papermaking, which comprises an active component, an emulsifier, an auxiliary agent, a solvent and water in a mass ratio of (25-35):(5-15):(15-25):(3-13):(27-37), and the active component is one or a combination of more of ethylene glycol monostearate, modified organic silicon and ethylene bisstearamide; and the modified organic silicon is prepared from an amino-terminated organic silicon intermediate, an organic silicon monomer and a silane coupling agent under the catalytic action of a basic catalyst. According to the defoaming agent, modified organic silicon serving as an active component of the defoaming agent is low in surface tension and excellent in wetting and spreading performance, meanwhile, due to introduction of amino groups, the molecular hydrophilicity is improved, the dispersity in water can be improved, the defoaming agent is used for defoaming a water-based system, the emulsification of the defoaming agent is promoted, in addition, the amino groups can be ionized to carry positive charges, and a good bubble breaking effect is achieved on a bubble film with negative electricity.

The invention discloses an electric cooker. The electric cooker comprises an electric cooker body and a cover body; a steam valve assembly is arranged on the cover body, comprising a steam valve seat, a rotary foam breaking hood and a steam valve cover; a steam barrel which communicates with the lower surface of the steam valve seat is arranged on the steam valve seat; a returning through hole is formed in the steam valve seat; an end cover is arranged at the upper end of the steam barrel; one or a plurality of steam holes which are circumferentially formed at intervals are formed in the end cover; each steam hole is structured as that steam in the steam hole is obliquely upwards sprayed out; the rotary foam breaking hook is equipped with at least one airflow opening; airflow sprayed out from the steam holes passes through the airflow opening to drive the rotary foam breaking hook to rotate. According to the electric cooker, the steam valve assembly is equipped with few parts, simple in structure, convenient to assemble, high in yield and good in foam breaking effect.

The invention discloses a weeding composition containing propanil and tembotrions, and relates to the field of pesticides. Phenylpropionic acid is added into a three-necked flask, a catalyst and toluene are added as a solvent, trichloromethyl carbonate is ground and added into the three-necked flask, and reduced pressure distillation is performed to obtain an intermediate A. The problem that when A pesticide liquid is attached to target plant leaves, due to the influence of physicochemical properties of the liquid medicine, the pesticide rolls off on the surfaces of the plant leaves, or is separated out through evaporation and crystallization on the target surfaces and cannot permeate into cell walls of resistant barnyard grass and resistant moleplant leaves, and therefore the pesticide effect is limited is solved. The pesticide liquid can reach the maximum coverage on target plant leaves within an extremely short time, so that the pesticide liquid can enter a plant body through morphological structures such as plant pores and skin pores, and the maximum holding capacity and the expansion diameter of the weeding composition on the leaf surfaces are increased, so that the pesticide effect is improved, and the fresh weight control effect on barnyard grass and goosegrass is achieved.

The invention discloses an insecticidal composition containing fluensulfone and allyl isothiocyanate, and relates to the field of pesticides. Chloroplatinic acid is added into isopropanol to obtain a catalyst, allyl glycidyl ether and the catalyst are added into a three-necked flask, a toluene solution containing hydrogen silicone oil is dropwise added to obtain an intermediate A, the intermediate A and polyether amine are added into the three-necked flask, ethanol is added as a solvent, a stabilizing aid is obtained; the stabilizing aid is added into the composition, the problems that foams are easily generated in the dilution process of the existing pesticide, the dispersion uniformity of the pesticide is reduced, the pesticide effect is influenced and the spraying operation is interfered are solved; the amino group is introduced, so that the hydrophilicity is increased, and the amino group can be ionized, is positively charged, has a good bubble breaking effect on a negatively charged bubble film, remarkably reduces the surface tension, enables a pesticide to be quickly spread, wet and permeate on the surface of a plant, and enables the pesticide to exert higher efficiency, thereby achieving the purpose of reducing the generation of bubbles.

The invention belongs to the technical field of textile auxiliaries and discloses a propofol phosphate gas defoamer. The propofol phosphate gas defoamer is prepared from the following components in parts by weight: 0.1 to 0.8 part of propofol phosphate, 0.5 to 1.7 parts of ipratropium bromide, 100 to 150 parts of nitrogen, 15 to 20 parts of helium, 1 to 4 parts of oxygen, 0.1 to 1.5 parts of carbonic oxide, 12 to 14 parts of argon and 10 to 15 parts of ethanol. The preparation method of the propofol phosphate gas defoamer comprises the following steps: dissolving propofol phosphate into an ethanol solution, heating and stirring at the temperature of 30 to 40 DEG, collecting evaporation gas and mixing the evaporation gas with nitrogen; then mixing the mixed gas with isopropyl ammonium bromide aerosol, subsequently carrying out ultraviolet irradiation treatment for 1 to 2 hours, and mixing a treated mixture with other gases, thus obtaining a finished product. The gas defoamer is introduced into the bottom of a working bath for use, wherein the use amount of working solution per liter is 1 to 2L per minute; by means of adding gas, the dispersion uniformity of the working bath is improved; at the same time, a good foam eliminating and inhibiting effect is achieved; the propofol phosphate gas defoamer can be recycled and is high in economic benefit.

The invention discloses a defoamer composition, which comprises, in parts by weight: 20-30 parts of hyperbranched polyether; 15-25 parts of modified nano silicon dioxide; 20-30 parts of polyorganosiloxane; stabilizer 10-20 parts; 20-30 parts of fuel oil; the defoamer composition has high defoaming efficiency, stable performance, long service life, and has characteristics such as very fast defoaming speed and good foam suppression performance in various systems The defoamer synthesized by modified nano/micro silica can be widely used to eliminate harmful foam in industrial production.