36results about How to "Shorten hydration time" patented technology

The invention discloses a rapeseed oil hydration degumming method. The method comprises the following steps: heating raw oil of rapeseed oil, which is obtained by performing filtration to remove the residual cake meal, to 80-90 DEG C, storing the heated raw oil in an oil storage tank, and keeping the oil temperature at 80-90 DEG C; preparing a saline solution of 10-15 wt%, heating the saline solution to 80-90 DEG C, storing the heated saline solution in a saline solution tank, and keeping the saline solution temperature at 80-90 DEG C; delivering the raw oil in the oil storage tank to a hydration storage tank at the speed of 0.01-0.03m / s through an oil delivery pipe, adding the saline solution in the saline solution tank to the center of the oil delivery pipe which is 4.0-5.0m away from the hydration storage tank, allowing the raw oil and saline solution to be mixed, and enabling the mixture of the raw oil and saline solution to continuously flow into the hydration storage tank, wherein the speed of addition of the saline solution into the oil delivery pipe is 0.01-0.03m / s; and performing centrifugal separation on the mixture of the raw oil and saline solution in the hydration storage tank to remove gum deposits, thereby obtaining hydration-degummed oil. According to the rapeseed oil hydration degumming method, the saline solution is added to the center of the oil delivery pipe, so the saline solution and oil are uniformly mixed in the pipe, thereby greatly enhancing the hydration efficiency, shortening the hydration time, and greatly reducing the content of phospholipid in the hydration-degummed rapeseed oil.

Disclosed is a biocompatible, hemostatic, cross-linked gelatin composition comprising a biocompatible material comprising cross-linked gelatin and a sufficient amount of wetting agent to permit uniform wetting of the sponge in the presence of an aqueous solution.

The invention belongs to the technical field of building mortar. The invention discloses an anti-crack mortar for repairing pipeline wall grooves, which is prepared from the following raw materials: 0.9-1.5 parts by weight of Portland cement, 0.2-0.6 parts by weight of gypsum powder, 4.2-6.4 parts by weight of medium sand, water 0.8-1.2 parts by weight, 0.16-0.24 parts by weight of fiber, and the following additives by weight percentage are added, water-retaining agent 0.14-0.20wt%, rubber powder 0.14-0.20wt%. The invention solves the problem in the prior art that after repairing the pipeline wall groove, the subsequent fine decoration surface layer is hollowed and cracked to form a dilapidated phase. The anti-cracking mortar used for repairing the pipeline wall groove in the present invention has certain repair adhesion Strength, hydration, and condensation process shrinkage ratio is shorter than the hydration time, so that the wall and wall groove can be repaired without cracking.

The process of the invention relates to the technical field of production of quenching plates in heat treatment furnaces, and is a new process for rapid quenching of quenching plates, which can ensure that the flatness of the plate meets the process requirements, and realizes high-efficiency and continuous quenching. All employees participate in the production rhythm control, and the water pump workers are included in the production rhythm control. The water pump workers determine the number and time of opening the pumps in advance according to the production plan, and increase the adjustment speed by changing the step opening of the valve motor to meet the production needs. Key equipment adjustments In order to best adapt to the production rhythm mode and give full play to the potential of the equipment. It fully complies with the heat treatment and quenching process, can realize high-efficiency quenching production, meets the process requirements, shortens the quenching time and quenching water consumption, and improves the production rhythm and heat treatment furnace output.

The invention discloses an improved continuous linseed oil degumming process, which comprises the following steps of firstly adding water and raising the temperature for hydration; then, adding a flocculating agent for flocculation treatment; finally, performing low-temperature flocculation and high-temperature dissolution through a spiral flow passage; finally, performing fine filtering through afilter. The process provided by the invention has the advantages that the defects in the prior art can be overcome; the degumming efficiency of the continuous degumming process is improved.

The invention provides a polycarboxylic acid concrete plasticizer which is formed by copolymerization of three monomers A, B and C and is a polymer with the weight-average molecular weight of 15000-40000, wherein the three monomers are as follows by weight percent: monomer A is 60-70%, monomer B is 20-30% and monomer C is 5-10%; the structure of the monomer A is shown by the following formula, wherein R1 is alkyl group with less than or equal to five carbon atoms or hydrogen atom; m and n are integers within the range of 0-5; A, B, C, D , E, G, H, J and K are respectively integers within the range of 0-30, but not simultaneously 0; the monomer B is the mixture of more than two of acrylic acid, methacrylic acid, maleic acid, maleic anhydride or maleic anhydride salt; and the monomer C is the mixture of more than two of sodium methyl acryl sulfonate, sodium vinylsulphonate, styrene sodium sulfonate or 2-acrylic amide-2-methyl acrylic acid. The concrete plasticizer has the characteristics of good compatibility with various cements, and high water reducing rate and anti-collapse performance. The invention also provides a preparation method of the plasticizer.

The invention relates to a controlled-release hydrated aluminate cement-based early-strength and durable sealing material and an application method thereof. The sealing material of the invention has controllable condensation, is easy to construct, and has sufficient gas generation and expansion. A certain ratio of aluminate-silicate composite cement system is adopted, and an appropriate amount of aluminum powder and resin polymer materials are added. Using the separate grinding technology, the aluminate cement clinker and the resin are firstly ground together, so that the fine resin particles are adsorbed on the surface of the mineral particles of the aluminate cement clinker. After the material is in contact with water during construction, the resin wrapped on the surface of the clinker particles will interact with water to form an interwoven coating film, which can slow release and control the hydration of aluminate minerals, and regulate the formation of products such as ettringite and hydrated aluminate The speed and amount of formation can effectively delay the setting time of the sealing material, facilitate construction, and endow the sealing material with continuous micro-expansion in the sealing hole, provide the material with high early strength and compensate for the hydration shrinkage of the silicate phase, making the sealing material The porous material is designed to last and last.

The invention provides a water supply system for a washing machine, a water supply method and a washing machine. The water supply system includes a water supply pipeline and a pressure water storage tank arranged on the water supply pipeline, a frequency conversion pump, a valve assembly and a control system, wherein: the water supply pipeline is connected to the washing bucket and is used to supply water to the washing bucket; the frequency conversion pump , which is arranged on the water outlet pipe of the water supply pipeline, and is used to provide the water supply lift; the pressure water storage tank is arranged between the frequency conversion pump and the washing tub; the valve assembly includes a first solenoid valve and a second solenoid valve, wherein The first solenoid valve is arranged on the water inlet pipe of the water supply pipeline on the inlet side of the frequency conversion pump, and the second solenoid valve is between the pressure water storage tank and the washing tub; Pressure, the water pressure of the water supply pipeline and the actual water level of the washing bucket control the disconnection of the valve assembly and the speed of the variable frequency pump. The invention replenishes water quickly, and ensures that the washing machine can not stop running water when there is a temporary water shortage or insufficient water supply pressure.

The invention relates to the field of dental medical treatment and in particular discloses fluorine-strengthened bioactivity mineral powder and a preparation method and an application thereof. The component system of constitution of the mineral powder is as follows: SiO-CaO-Na2O-P2O5-F. The powder comprises the following components in percentages by weight: 40-55% of SiO2, 15-30% of CaO, 15-30% of Na2O, 2-12% of P2O5 and 0.01-6% of F. According to the invention, by taking sodium monofluorophosphate as an importing components of fluorine element and controlling the mass ratio of sodium monofluorophosphate and phosphorus pentoxide added at 0.8-1.2, in a processing course, the loss of a volatile matter phosphorus pentoxide can be effectively reduced at a melting temperature of a material, so that calcium, phosphorus and fluorine in the material better meets a pre-designed proportion. By means of a shock chilling function of water, the amorphous state with more intermediate states is more easily formed, so that more crystal hydroxyapatite is formed during a reaction with water and is of higher activity. In the reaction process of the mineral powder and water, a phosphate component is further generated, thereby forming a better environment for generation of hydroxyapatite.