35results about How to "Consumable" patented technology

The invention relates to a mixed fiber concrete pipe, wherein mixed fiber concrete for forming the pipe comprises the following components according to the parts by weight: 322-540 parts of cement, 140-220 parts of water, 475-828 parts of sand, 864-1,306 parts of cobbles, 0.2-20 parts of polymer fibers and 20-140 parts of steel fibers. The mixed fiber concrete pipe has low raw material cost, light weight, high tensile strength, flexural strength, shearing strength and torsional strength, better durability and fatigue resistance, stronger capacities of shock resistance, abrasion resistance and cavitation resistance and better crack resistance, conforms to an energy saving and emission reduction policy and is a renewal product of the existing concrete pipes.

The invention provides a method for preparing a water purifying agent containing polyaluminum sulfate from aluminum ash, sulfuric acid and optional red mud, and the method comprises the following steps: uniformly mixing the aluminum ash with sodium carbonate and/or sodium hydroxide and a calcium-containing raw material, roasting at 400-1000 DEG C in an oxidizing atmosphere, reacting a roasted product with the sulfuric acid and the optional red mud until the pH value of slurry filtrate is 3.0-4.0, Al2O3 accounts for 5-12m%, and the basicity is 40-75, filtering to obtain filtrate as the water purifying agent containing the polyaluminum sulfate, and washing filter residue to obtain solid residue for further utilization or tockpiling and landfill. Through the steps of mixing and roasting, theflammable and combustible problems of hydrogen released by metal aluminum hydrolysis or acidolysis, the ammonium nitrogen problem in purified water caused by entering of ammonium produced by acid hydrolysis of aluminum nitride into the water purifying agent, the activation problem of low-activity alumina, especially alpha-alumina, and the problems of stabilization and harmlessness of fluorine in the aluminum ash which need two or three steps to be treated in the prior art can be solved in one time. The hardness of treated water increases slightly during the use of the water purifying agent product.

Provided is a two-part anti-fouling paint composition which can exhibit excellent wastage sustainability and long-term anti-fouling properties against marine organisms. The two-part anti-fouling paint composition according to the present invention is characterized by comprising (A) a first component comprising a (meth)acrylic ester component, (B) a second component comprising an amino-group-containing compound, and (C) an anti-fouling agent contained in either the first component or the second component, wherein the (meth)acrylic ester component (A) and/or the amino-group-containing compound (B) has an ether structure, a trifunctional or higher (meth)acrylic ester is contained in an amount of 50% by weigh or more relative to the total weight of the (meth)acrylic ester component (A), and the amino-group-containing compound (B) is contained in an amount of 20 to 100 parts by weight relative to 100 parts by weight of the (meth)acrylic ester component (A).

The invention relates to a concrete pipe with steel fibers, which comprises the following components according to the parts by weight: 32-540 parts of cement, 140-220 parts of water, 475-828 parts of sand, 864-1,306 parts of pebbles and 20-140 parts of steel fibers. The concrete pipe has low raw material cost, light weight, high tensile strength, flexural strength, shearing strength and torsional strength, better durability and fatigue resistance, stronger capacities of shock resistance, abrasion resistance and cavitation resistance and better crack resistance, conforms to an energy saving and emission reduction policy and is a renewal product of the existing concrete pipes.

The invention relates to an adsorbent adsorption-regeneration presentation device and a presentation method thereof. An air pump of a presentation device is connected to the bottom of an adsorber through a pipeline, a steam detector is mounted at the top of the adsorber, the whole adsorber is arranged in a microwave reactor, the adsorber is filled with adsorbate cobaltic discoloration silicone, adsorbate detection agent anhydrous cupric sulfate is placed in the steam detector, a flow controller and two three-way valves are arranged on the pipeline, and the two three-way valves are connected to a steam inlet and a steam outlet in the top and the side wall of an adsorption bottle respectively. Firstly, adsorbate steam is inputted to the adsorber through the pipeline, adsorbent discolors after adsorbing the steam, the adsorption process is presented, input of adsorbate is stopped, the adsorbent restores colors after removing the steam by the aid of the rapid microwave regeneration process, and the regeneration process is presented. Visual teaching is realized, the device can be repeatedly used, and experimental teaching quality and efficiency are improved.

The invention provides a preparation method of an aluminum alloy for an aerosol bottle cap. The method comprises the steps of S1, preparing a cast ingot through alloy components based on the mixing ratio; S2, milling the cast ingot; S3, uniformly thermally processing the cast ingot; S4, performing hot rolling on the cast iron to obtain a blank; S5, performing cold rolling to the blank which is subjected to hot rolling until the intermediate annealing thickness is reached; S6, washing the surface with weak alkali; S7, completely recrystallizing and annealing the middle; S8, performing pass rolling on a finished product; S9, stably chemically processing the finished product; and S10, stretching and bending and correcting back roll. According to the method, the Na content is effectively decreased based on the component mixing ratio and the technical method; the range of Na element which easily causes Na embrittlement in a high-magnesium alloy is avoided, and thus the problem of Na embrittlement is solved; and meanwhile, the component fluctuation is well controlled, and the problem that the magnesium element easily results to slag inclusion is solved; and meanwhile, the problem of liquid leaking caused by impurities adhering to the surface can be solved by a special weak alkali washing technology in the middle process; and the produced aluminum alloy for the aerosol bottle cap is high in stability in batch.

The invention provides a method for preparing a water purifying agent containing poly-aluminum chloride from aluminum ash, hydrochloric acid and optional red mud. The method comprises the following steps that the aluminum ash, sodium carbonate and/or sodium hydroxide and a calcium-containing raw material are mixed uniformly and calcined at an oxidizing atmosphere at 400-1000 DEG C, the calcinationproduced material is reacted with hydrochloric acid and the optional red mud until the pH of the slurry filtrate is 3.5-4.5, Al2O3 is 3-12m%, the basicity is 40-100 and calcium is 0.01-0.5mol/L, filtering is performed, the filtrate is the water purifying agent containing poly-aluminum chloride, and solid residues obtained by washing filter residues is further utilized or subjected to storage andlandfill. The step A solves the flammable and explosive problem of metal aluminum hydrolysis or acid hydrolysis hydrogen release which needs to be processed by two or three steps in the prior art, theproblem of water-ammonium-nitrogen after purification due to the fact that acid hydrolysis of aluminum nitride produces ammonium to enter the water purifying agent, the activation of low-activity alumina, especially alpha-alumina, and the stabilization and detoxification of aluminum ash containing fluorine; and during the use of water purifying agent products, the hardness of treated water is less increased.

The invention relates to a method and a system for preparing urea by coupling denitration with electrocatalytic reduction. Specifically, the method provided by the invention comprises the following steps of introducing an absorption liquid containing nitrite and nitrate, which is generated by carrying out a denitration process on flue gas containing nitric oxide, into a separation process to separate the nitrite and the nitrate so as to obtain a solution rich in the nitrite and the nitrate, and introducing the solution rich in nitrite and nitrate generated in the separation process into an electro-catalysis process, and carrying out electro-catalytic reduction in the presence of carbon dioxide or carbonate so as to generate a urea solution. The system comprises a denitration device, a separation device connected with the denitration device, and an electro-catalysis device connected with the separation device. The method and the system provided by the invention can be used for deeply removing the nitric oxide in the industrial flue gas at a relatively low temperature, and can realize the recycling of nitrogen.

The invention discloses a preparation method of an underwater super-oleophobic polymer brush coating. The method comprises the following steps of by using 2-methacryloyloxyethyl phosphorylcholine (MPC) as a raw material, selecting hydrophilic ferrous gluconate and tert-butylperoxy 2-ethyl hexyl carbonate (TBEC) to form a redox initiation system; and a zwitterionic polymer brush coating is constructed on the surface of a base material by utilizing a surface-initiated polymerization reaction. The coating prepared by the method has excellent underwater super-oleophobicity and biological adhesion prevention performance.

The invention discloses an insert-assembled automobile trimming and punching die, comprising an upper die and a lower die, the upper die is arranged just above the lower die, an upper bottom plate is arranged at the end of the upper die away from the lower die, and the upper The mold and the upper bottom plate are integrally formed, and the upper bottom plate is used to fix the upper mold on the stamping power source. The end of the upper mold away from the upper bottom plate is provided with trimming inserts on both sides, and the trimming inserts are "Z" shaped. In addition, one end of the "Z" shape is fixedly connected with the upper mold through the first locking device, and the position corresponding to the trimming insert is provided with an insert groove and a mounting hole. In the present invention, the mold is split, so that the frequently worn parts such as trimming inserts, punch inserts, lower molds and stamping inserts can be disassembled and replaced. When the above parts are seriously worn, only the parts need to be replaced , the main body of the mold can continue to be used, which greatly reduces the loss of the mold and reduces the production cost.

The invention discloses a vertical sliding lead-down forming method for a plate glass chute. The vertical sliding lead-down forming method for the plate glass chute is characterized by comprising the following steps: with a solid material which is low in friction coefficient, high in heat conductivity coefficient, small in expansion coefficient, good in chemical stability, low in permeability and heat-resistant, and has a polishing function as a vertical chute, carrying out vertical sliding lead-down forming on glass metal in a slot, and pulling and leading out a glass tape with required thickness and width.

The invention discloses a simple monascus solid separation method and belongs to the technical field of microbial separation. The method comprises five steps as follows: preparation of a culture medium, addition of an inhibitor, enrichment culture, marking separation and dibbling. The self-made malt agar culture medium containing an inhibitor is used for efficient solid enrichment of monascus in red kojic rice and separation and purification. The separation method is convenient to operate, high in separation speed and good in separation effect.

A glove for a Japanese fencing, comprising a glove quilt member formed by joining a glove tube quilt part protecting a front arm to a glove head quilt part having a thumb protective part and a four-finger protective part at the tip thereof and protecting the tip portion of a wrist, a hand inner member detachably fitted to at least the glove head quilt part of the glove quilt member, and a mounting means for detachably mounting the hand inner member on the glove quilt member. A separation prevention means locked to at least the tip part of the thumb protective part and/or the four-finger protective part of the glove head quilt part to prevent the glove quilt member from being separated off the hand inner member in use is fitted to the hand inner member. Thus, not only the hand inner part is formed detachable, a repair cost can be reduced, and corrosion and offensive small can be prevented from occurring by cleaning but also, even if the violent collision thereof with an opponent occurs or an impact such as hitting and passing by a bamboo sword acts thereon during playing or training, the glove quilt member can be prevented from being separated off the hand inner member, and the hand fingers can be completely protected. So it is a safe glove for a Japanese fencing.

The invention discloses a forage cutting device for livestock industry. The forage cutting device comprises a heat dissipation net cover, a feeding conveyor, glass baffles, a forage cutting and dryingdevice, a bottom frame, a monitoring controller, universal casters and a discharge guide plate, wherein the feeding conveyor is arranged on the top of the forage cutting and drying device and fixed on the forage cutting and drying device, and the two are cooperated with each other, and the glass baffles are provided on both sides of the feeding conveyor. The feeding conveyor automatically feeds forage into the forage cutting and drying device, a cutting mechanism can quickly cut and mix the wild weeds and crops stems or leaves to facilitate consumption by livestock, and the cut forage can bedried by a drying mechanism. The nutrients of the forage are retained, and the storage time is prolonged. The dried forage can be cut into blocks by the cutting mechanism and output through a discharge conveyor, which facilitates accessing, and stacking and storing.