170results about How to "Reduce carbonization" patented technology

A beverage dispensing system with a base to which a dispensing head is removably attached without additional fasteners, wherein beverage forming liquids are supplied through a plurality of separate conduits in the base. Each base conduit has a normally closed valve that normally blocks fluid flow. The dispensing head has at least one passageway that receives liquid from an associated one of the base conduits. A projection associated with each dispensing head passageway opens the associated conduit valve to allow fluid flow from the base to the head. Dispensing valves in the dispensing head are independently accountable to regulate the dispensing of the beverage. In one version of the invention, four liquids are supplied to the dispensing head through the conduits, namely two liquid concentrates; carbonated water; and non-carbonated water. By selective opening of the dispensing valves, a plurality of beverages are formed from combinations of one or more of the liquids. A dispensing head for dispensing at least one carbonated fluid includes an inlet opening and an outlet opening at each end of a passage extending through a body, the inlet opening having a smaller cross-sectional area than the outlet opening.

The invention relates to a method for preparing activated carbon for a super capacitor with fruit shells as raw material and an application of the activated carbon. The method comprises the following steps: firstly carbonizing the fruit shells in a protective atmosphere, then crushing the carbonized material, mixing with an alkaline activator, heating up to 550-690 DEG C, and activating in the protective atmosphere; and washing the obtained activated material with water, removing impurities by using a mixed acid, then drying, heating up to 760-1000 DEG C, and removing functional groups of the activated carbon surface. The prepared activated carbon has the characteristics of low cost and high performance, the flatulence problem of the super capacitor can be effectively inhibited, and the cycle life of the super capacitor is extended.

A device for filtering the frying bath of an electric fryer having a heating resistor that is immersed in a frying bath in a tank during frying, the device including: a filter screen adapted to extend beneath the immersed electric resistor; and at least one holding element for connecting said screen to the immersed electric resistor. An electric fryer composed of; a tank provided to receive a frying bath; an electric heating resistor provided to be immersed in the frying bath; and the device described above.

The invention relates to a multifunctional anti-leakage shrinkage type concrete surface layer reinforcer which is prepared from the following components in percentage by weight: 10-20 percent of high polymer, 1-7 percent of film forming aided compound, 5-10 percent of surface layer active agent compound, 1-4 percent of leakage aided compound, 1.5-4.5 percent of active compound and the balance of water. The invention has good concrete surface layer enhancement effect, can obviously reduce the shrinkage of surface layer concrete, obviously improves the carbonization resistance and the medium leakage resistance of surface layer concrete, has convenient construction and obvious economic benefit and can be widely applied to the strengthening treatment operations on the surface layers of cement and concrete pouring components, concrete components under corrosion environment conditions such as piers, dams, and the like and deformed concrete components difficult to be strengthened by adopting a conventional method.

The present invention discloses manufacturing method of a regenesis wood plastic compound structures sectional materials, belonging to polymer material processing technology field, mixing mixture containing wood fiber, polyethylene resin, calcium carbonate, plasticizer, geoceric acid, epoxy oil, tranquilizer, slipping agent, coupling agent and industry whiteruss sufficiently in mixing machine; adding the mixture into extrusion molding machine for gelatination; squashing into moulds for molding; cooling the moulded product in moulds by cooling water for shaping; pulling out the shaped products by tractor and cutting into completed product. The wood plastic compound structures sectional materials produced by using the raw stuff recipe of the invention have more excellent physical chemistry character and appearance quality than other similar products.

The invention provides equipment for drying and carbonizing wood integrally. The equipment comprises a pressure adjusting system, a heating and cooling system, a material loading, transporting and pressurizing system and a water drainage system; an exo-box heat conduction oil pipe of the heating and cooling system penetrates through a treatment box and is welded to a wall of the treatment box for being sealed; a water inlet valve of the water drainage system is connected to the treatment box and a water drainage box through connection pipelines; and an outer wall of a hydraulic cylinder of the material loading, transporting and pressurizing system is welded to the treatment box in a sealed mode. The equipment has the advantages that the repeated loading, stacking, heating and cooling steps of the drying and heat treating steps of wood are reduced, so that the processing efficiency is improved, and the energy consumption is lowered; a processing method is flexible and multipurpose and the equipment is multifunctional; the whole drying and carbonizing treatment is carried out on the vacuum and negative pressure conditions, the content of air in the treatment box is small, and the oxygen content is low; carbonized wood making contact with a hot plate can be fast cooled; and the wood can be prevented from being deformed, warped and cracked in the vacuum drying and vacuum carbonizing stages.

The invention discloses a self-sharpening diamond abrasive material. The self-sharpening diamond abrasive material comprises the following raw materials by weight: 75-85% of a diamond abrasive materail, 13-20% of metal powder and 2-5% of a binding agent. The particle size of the diamond abrasive material is 0.5 [mu]m-100 [mu]m; the metal powder comprises iron, cobalt, manganese, or a mixture thereof, or an alloy; and the binding agent comprises diethylenetriamine, 1,3-cyclohexanebis(methylamine), trimethylhexamethylenediamine, or a mixture thereof or one of the above. The self-sharpening diamond abrasive material is rough in surface and has more grinding surface angles. When particles are suffering from stress, frangibility causes the particles broken, so that novel sharp cutting edge is generated and the self-sharpening property is better. The self-sharpening diamond abrasive material is particularly suitable for ultrafine grinding and polishing of magnetic heads, hard disks, optical glasses and sapphire wafers.

A reduction process for Fischer-Tropsch synthesis of iron-base catalyst in slurry bed includes adding liquid-phase hydrocarbon medium and catalyst to slury-bed reactor, displacing air, programmed heating, reducing catalyst by H2 and then by CO, and Fischer-Tropsch synthesis.

To provide a polymer material having properties that allow the polymer material to replace a polyimide and a polyamide synthesized from a petroleum raw material, said polymer material being synthesized from a raw material derived from natural molecules. [Solution] This polymer material is obtained by polymerizing a polymer raw material comprising a dimer of 4-amino cinnamic acid or a dimer of a 4-amino cinnamic acid derivative, which are natural molecules, wherein the carboxyl group is protected by an alkyl chain. The TGA curve of a polyamide acid (PAA-1) and a polyimide (PI-1) according to the present invention is shown in FIG. 5.

The invention provides basalt and polypropylene hybrid fiber reinforced concrete and a preparing method. Basalt fibers accounting for 0.1-0.5 part of the weight of a concrete matrix and polypropylene fibers accounting for 0.01-0.08 part of the weight of the concrete matrix are doped into the concrete matrix. (1) at the normal temperature, sand and stone are put into a blender to be blended for 60 s; (2) cement is put into the blender to be blended for 60 s; (3) water is added into the blender to be blended for 90 s to 120 s, and a concrete matrix is obtained; and (4) two kinds of fibers including the basalt fibers and the polypropylene fibers are mixed, and are scattered into the concrete matrix obtained in the step (3) to be blended for 120 s after the two kinds of fibers are highly scattered, and then the basalt and polypropylene hybrid fiber reinforced concrete is obtained. Compared with traditional concrete, the basalt and polypropylene hybrid fiber reinforced concrete can better adapt to complex environments such as high temperature, high heat, corrosion and the like, can be widely applied to roads, bridges, buildings, undergrounds and oceanographic engineering, and the concrete application scope is greatly expanded.

The invention provides a method for preparing lactide. The method is characterized by including the steps of firstly, performing free water-removing reaction on lactic acid; secondly, adding catalyst into the lactic acid after the free water-removing reaction to perform condensation polymerization so as to obtain lactic acid oligomer; thirdly, adding ionic liquid into the lactic acid oligomer to serve as solvent, heating to perform depolymerization, and performing reduced-pressure distillation to collect crude product; fourthly, purifying the crude product to obtain the finished-product lactide. The method has the advantages that the method is improved on the basis of an existing synthesizing process, the recyclable high-boiling-point ionic liquid is added during the depolymerization to greatly lower the viscosity of a reaction system, the lactide can be fast distilled favorably, carbonization is reduced, the yield and chemical purity of the lactide are increased evidently, purification times are reduced, the production cycle is shortened, and the method is an efficient method for preparing the high-purity lactide.

The invention relates to a cooker and an anti-dry-burning control method and device thereof. The anti-dry-burning control method comprises the following steps that a cooking mode is obtained, and thecooking mode has a corresponding alarm temperature threshold value, anti-dry-burning temperature threshold value and temperature-rising speed threshold value; a first current temperature of the cookeris obtained, and the cooker is turned off when the first current temperature is greater than the anti-dry-burning temperature threshold value; when the cooking mode is water cooking and the first current temperature is less than the anti-dry-burning temperature threshold value, a current temperature-rising speed is obtained; and a second current temperature of the cooker is obtained when the current temperature-rising speed is greater than the temperature-rising speed threshold value, and when the second current temperature is greater than the alarm temperature threshold value, an alarm message is issued. The cooker and the anti-dry-burning control method and device thereof have the advantages that the food carbonization can be effectively reduced, pot pasting is reduced, the energy is saved, the safety is ensured, cookware is protected, and the environment is protected.

The invention provides a permeable concrete pavement protection agent and a preparation method thereof. The permeable concrete pavement protection agent contains the following components (shown in the description), can improve the bonding properties of pavement aggregates, can improve the water permeable performance of a pavement and effectively prevent concrete whiskering, can make a pavement color more uniform, brighter and more durable, and meanwhile can also slow down the carbonization and aging speed of permeable pavement concrete and improve the usage durability of ecological pavements.

The present invention provides a metal hydroxide hollow nanotube, a preparation method thereof and the application thereof. The method comprises the following steps: A) mixing up an ultra-fine tellurium nanowire with glucose, and subjecting the mixture to hydrothermal carbonization process to obtain a carbon nano-fiber; B) mixing the carbon nano-fiber with a metal salt precursor, and subjecting the mixture to oil-bath heating reaction to obtain the carbon nano-fiber coated by the metal salt precursor; C) subjecting the metal salt precursor-coated carbon nano-fiber to alkali etching process so as to remove a carbon nano-fiber template, and obtaining a hollow metal hydroxide nanotube. The method is simple and practical, and an obtained product is high in purity. The method is low in reaction cost and is easy in large-scale popularization. When the nano-tube is applied as the electrode material of an electrochemical super capacitor, the nano-tube is very high in specific capacitance property and superior to reported values in most literatures. Therefore, the nano-tube is expected to be applied to the field of electrochemical super capacitors.

The invention provides a modified active iron tailing admixture for concrete, which comprises the following elements: iron tailings and polycarboxylate, wherein the dosage of the polycarboxylate is 0.2-0.6wt% based on the mass of the iron tailings, and both the specific surface of the iron tailings and that of the polycarboxylate are 400-600m<2> / kg. Replacing slag powder and pulverized coal ash, the active iron tailing admixture provided by the invention is applied to the concrete and can prepare C10-C100 pump concrete, and the active iron tailing admixture can meet each performance index of build concrete and has a brilliant application prospect in the construction engineering.

The invention discloses a method for reducing acid value through catalyzing glycerol esterification with a solid base. The method comprises the following steps: adding glycerol and a solid base catalyst into the dehydrated oil, heating and stirring, vacuumizing to remove the water produced by the reaction, filtering and recycling the catalyst after the reaction is ended, thereby obtaining the oil of which the acid value is less than 0.3mg KOH / g. According to the method disclosed by the invention, the esterification rate can be over 99.5 percent, the composition completely refers to fatty acid triglyceride, the after-treatment is simple, any environmental pollution is avoided, and industrial production is promoted.

The invention relates to a production technique of norbornene, which uses dicyclopentadiene and ethylene as raw materials and hydrogen gas as a shielding gas for cracking dicyclopentadiene. The production technique comprises the following steps: mixing heated hydrogen gas and dicyclopentadiene steam in a mole ratio of 30:1-50:1, sending into a reactor to carry out cracking in a reactor, rectifying to obtain high-purity cyclopentadiene, mixing ethylene and cyclopentadiene in a mole ratio of 4.4:1-5.5:1, and synthesizing the norbornene in the reactor. The production technique is simple, can carry out continuous production, relieves the carbonization problem in the dicyclopentadiene cracking process, and prevents water vapor from generation. The reactants are cheap and accessible, the hydrogen gas is used as the diluent gas, the hydrogen gas and ethylene can be reutilized in the reaction, the materials are mixed sufficiently in the reaction process, and the obtained norbornene has higher purity.

The invention discloses a concrete alkaline-adjustment microcapsule and a preparation method thereof. The concrete alkaline-adjustment microcapsule comprises a capsule core and a coating, the capsule core comprises a water soluble alkaline oxide and a forming agent, the coating comprises an organic material sensitive to low alkali environment, the water soluble alkaline oxide is one or a plurality of substances from calcium oxide, potassium oxide and sodium oxide. The concrete alkaline-adjustment microcapsule has good stability, by changing of the mass ratio of the capsule core material and the coating material, the release rate of the corrosion inhibitor can be controllably optimized, the water soluble alkaline oxide is used for enhancing PH to achieve the purposes of steel bar corrosion inhibition and delaying of the concrete carbonation, and the used materials are green and environmentally friendly, so that the concrete alkaline-adjustment microcapsule has the effects of controllable optimization, long effective period, good sustained-release effect and green and environmental protection effect.

The continuous production process of high purity trimellitic anhydride with trimellitic acid includes the following steps: smelting trimellitic acid and eliminating acetic acid and water in the first kettle, and eliminating water inside trimellitic acid molecule in the second kettle to form trimellitic anhydride; eliminating heavy components in crude trimellitic anhydride product in one heavy component eliminating evaporator; eliminating light components in the evaporator of one light component eliminating tower; and rectifying through condensing trimellitic anhydride in the condenser on the top of the light component eliminating tower to obtain trimellitic anhydride product fed to the product tank. The present invention has stable product quality, high product purity, high product yield, low power consumption and other advantages.

The invention provides a concrete cementing material, a preparation method thereof and an application thereof. The material can replace or partially replace the raw materials of the concrete, such as fly ashes, mineral powders, cement and the like, and then the concrete excellent in production performance can be produced. According to the technical scheme of the invention, the concrete cementing material comprises the following raw materials by weight percentage: 20-70% of stone flours, 0-20% of clinker, 5-50% of volcanic gray matters and artificial volcanic gray matters, 0-40% of smelting waste, 0.05-0.3% of activator, and 0.3-0.5% of function regulator. The prepared concrete cementing material can be used for pumping the normal concrete, the self-leveling concrete and the concrete of components. In a cementing material system for preparing the concrete, the cementing material can replace mineral powder, fly ashes and one part of the cement in the formula of the concrete according to the designed proportion the total amount of the cementing material in the concrete.

The invention relates to a method for extracting immune globulin from yak blood. The method comprises the following steps: adding anticoagulant into fresh yak blood and then centrifuging the mixture, thereby acquiring blood plasma; utilizing an ultra-filtration membrane to purify and concentrate the blood plasma; ultrasonically extracting an interception phase with ethanol; and freeze-drying, thereby acquiring the immune globulin. The method provided by the invention is simple, high-speed, safe, pollution-free, low-cost, and low-carbon.

A microwave signal inhibition device and method, an antenna assembly and a microwave ablation needle are provided. The microwave signal inhibition device comprises a composite structure. The compositestructure comprises non-metallic material with a low dielectric constant, and a plurality of metal thin films formed on the non-metallic material, wherein the length of each section of the metal thinfilm is one fourth to three fourths of wavelength of a to-be-inhibited microwave signal; an interval between the metal thin films is one tenth to one twentieth of wavelength of the to-be-inhibited microwave signal; and a relative dielectric constant of the non-metallic material with the low dielectric constant relative to vacuum is less than or equal to 5. The microwave signal inhibition device and the microwave ablation needle based on multi-stage choke flow technology have great self-adaptivity; upon small input power or short ablation time, or power decrease or ablation time reduction, anideal spherical ablation area can be achieved; and compared with a common design, microwave energy can be fully utilized and carbonization degree of a central area can be reduced.

The invention relates to a laser cutting method. Before cutting, a cutting head is accelerated to reach an end point to be cut, and does not emit laser at accelerating sections; after the cutting head reaches the end point to be cut, the laser begins emitting, and the cutting head cuts one side of a rectangle at a uniform speed; and after the cutting of the side is finished, a motor decelerates to drive the cutting head for running, and the laser does not emit at decelerating sections, thereby ensuring that the cutting of rectangular sides is finished under uniform speed state, completely removing angular points, simultaneously reducing carbonization, and improving the cutting quality.

A metal-ceramic joined article comprises a ceramic member, a thin metal layer joined onto the surface of the ceramic member and a surface layer, formed on the surface of the thin metal layer, having the function to prevent carbon and / or nitrogen diffusing into the thin metal layer. The thin metal layer contains a first oxide film forming element capable of forming a first oxide film having the function to suppress carbon and / or nitrogen from diffusing into the thin metal layer, and the surface layer preferably comprises the first oxide film formed by oxidizing the surface of the thin metal layer before joining.

The invention belongs to the technical field of building materials, and relates to concrete, particularly to high-strength white concrete and a preparation method thereof. The technical scheme is thatthe concrete is prepared from the following components in parts by weight: 70-100 parts of white Portland cement, 10-30 parts of white mineral powder, 10-30 parts of white limestone powder, 5-15 parts of metakaolin, 5-10 parts of titanium dioxide, 100-200 parts of river sand, 120-150 parts of light-color aggregate, 35-50 parts of water, 1-3 parts of a water reducing agent, 0.2-0.5 part of a retarder, 5-10 parts of carbon quantum dots and 5-8 parts of sodium chloropalladate. According to the high-strength white concrete and the preparation method thereof provided by the invention, the carbon quantum dots and the sodium chloropalladate are added, so that the early heat release rate of the concrete is reduced, and the strength and the cracking resistance of the concrete are improved; and icenucleation is inhibited, and white concrete is prevented from being corroded and discolored after being covered by ice and snow in severe cold areas.

The invention relates to a foodstuff drying method which adopts three stages of microwave hot air drying, namely, the foodstuff is died for 10 to 30 min under the condition of 4 to 5 w / g microwave, 70 to 90 DEG C, and 2 to 3 m / s hot air flow rate; the foodstuff is died for 0.5 to 1.5 h under the condition of 4 to 5 w / g microwave, 30 to 50 DEG C, and 0.5 to 1.5 m / s hot air flow rate; then finally, the foodstuff is died to the end under the condition of 0.1 to 1.0 w / g microwave, 50 to 70 DEG C hot blast temperature and 0.5 to 1.5 m / s flow rate. The method is simple and easy and can obtain high drying efficiency, the quality of the materials cannot be impacted seriously, the chances of low carbonization can be effectively reduced, and the product quality is improved.

The invention discloses a method for the rigid waterproof construction of a beam and slab type basement, and belongs to the technical field of basement waterproof construction. The method comprises the following steps: (1) wetting the clean and even surface of a concrete base layer; (2) uniformly mixing clean water and a cementitious capillary crystalline waterproof coating according to a weight ratio of 0.3:1 to prepare mortar, and strictly keeping the mixing process finished within 20 minutes; calculating the total amount of the mortar for a preset construction area according to 1.4 kg / m<2>; using a hair brush or a nylon brush to brush the mortar on the wetted surface of the concrete base layer uniformly and reciprocally or using a spray gun to spray mortar uniformly till the motor is used up; during brushing or spray painting, strictly keeping the temperature above 4 DEG C; and (4) 3 to 4 hours after the final set of the mortar, performing spray type water sprinkling for maintenance 3 to 5 times each day, successively for 2 to 3 days. The method improves the waterproof performance of the floor and wall surfaces of the basement.

The present invention provides a composition for forming a lightweight, low shrinkage and hydrophobic cementitious matrix, and a method for preparing thereof. The present cementitious matrix formed by the composition is lightweight, hydrophobic (or water repelling) and with low shrinkage which is useful in building and construction industry as non-structural wall resistant to water, heat and sound entry. The present invention also provides a method of preparing the composition and the cementitious matrix formed from the composition.

The embodiment of the invention discloses a bamboo pole heating, softening and bending device. Several heating machines are moveably arranged in a first lead rail through a first moving component, and controlled to repeatedly move in the first lead rail through a control module, so as to evenly heat bamboo poles placed in front of the heating machines; the device solves the technical problems that the bamboo poles are fractured in bending for the inconsistent softening degree of the bamboo piles since the existing method of bending the bamboo poles is easy to cause uneven heating, scorching and even fire outbreak. The bamboo pole heating, softening and bending device comprises a workbench, the first lead rail arranged on the workbench, a first moving component, several heating machines and an automatic control module; the several heating machines are moveably arranged in the first lead rail through the first moving component; the control module is used for controlling several heating machines to move in the first lead rail so as to evenly heat bamboo poles placed in front of the heating machines.