97results about How to "Has a filtering effect" patented technology

The invention relates to a semi-cemented artificial rock core model. The semi-cemented artificial rock core model is formed by a transparent organic glass tube, a quartz sand filling area at the middle portion, and sand grain cementing areas at two ends. A filling device of the semi-cemented artificial rock core model comprises a manual hydraulic pressure pump, a pressure release valve, a pressure meter, a fixed support, a solid threaded iron rod and a middle container with a stopper and an open end. The invention further provides a filling method of the semi-cemented artificial rock core model. The device and the method have the following advantages: 1, the making cost of the rock core is reduced, the technical threshold of making of the rock core is reduced, and the making efficiency of the rock core is improved; and 2, the aperture structure of the rock core is protected by the organic glass tube, so destroys of high confining pressure to the rock core and the change of the aperture structure are effectively avoided. The device has the advantages of simple structure, convenience in operation, high practicality and high simulation credibility, and the method is a novel rock core model making technology suitable for being promoted.

The preparation process of multifunctional honeycomb ceramic filter element includes the step of preparing honeycomb ceramic and the step of preparing nanometer photocatalytic desulfurizing film on the honeycomb ceramic. The honeycomb ceramic is prepared with industrial alumina powder, kaolin powder and talcum powder in the weight ratio of 14 to 43 to 43, and through mixing, squeezing, ageing, extruding to form the biscuit, drying and sintering in a high temperature furnace at 1390 deg.c for 4 hr. The honeycomb ceramic filter element is prepared through sol-gel process to prepare TiO2 sol and ZnFe2O4 sol, mixing into stable mixture sol, applying the mixture sol onto honeycomb ceramic, drying, calcining at 500 deg.c for 1 to form one film layer, repeating the applying-drying-calcining process for 3-6 times to prepare the honeycomb ceramic filter element with excellent functions of eliminating harmful gases and desulfurizing.

The invention provides a flue dust remover. The dust remover comprises a shell, wherein the shell is provided with a smoke inlet and a smoke outlet, the shell is internally provided with partition plates, the partition plates are arranged in a staggered manner from top to bottom; smoke enters into a dust removing fluid bath through a runner formed by the partition plates; a filter screen is arranged at the smoke outlet; and lime water is filled in the dust removing fluid bath. The flue dust remover provided by the invention has a simple structure and good dust removing effect, the smoke is blown onto the partition plates under the power of a blower by virtue of several partition plates, large granular smoke sinks down immediately, flows out from an impurity outlet and then enters into the next partition plate, and in the same way, the smoke can flow out from another impurity outlet.

The invention relates to an oil slurry filtering device with two-stage filtration for a catalytic cracking device, which is characterized by comprising first-stage filtration and second-stage filtration connected in series, wherein the first-stage filtration comprises one filter or two filters, and the second-stage filtration comprises at least two filters; a filter element adopted by each filter in the first-stage filtration is the filter element wound by a wedge-shaped metal wire, each filter element wound by the wedge-shaped metal wire is wound by the wedge-shaped metal wire, and a gap between each ring of the metal wire and the adjacent metal wire is fixed and in the shape of a continuous funnel; and the filter element sintered by metal powder is adopted for each filter of the second-stage filtration. The device has the advantages that by adopting the oil slurry filtering device with the two-stage filtration for the catalytic cracking device, a filtering system can be operated and continuously used for 2 years, and then offline cleaning is further performed. The continuous operation time of the filters is greatly prolonged, the cost is saved, the requirement on continuous operation of the heavy oil catalytic cracking device is ensured, and the practicality is strong.

The invention discloses a water-based inorganic coating for interior walls and a preparation method of the coating. The coating comprises the following raw material components: water, a silica sol andan emulsion, wherein the silica sol has a silicon dioxide content of 25-30%, silicon dioxide particles have a particle size of 8-10 nm, and the silica sol has a pH value of 8-11; and the coating further comprises a stabilizing agent and a silane coupling agent, and can also comprise a pigment filler, a thickening agent, water-based bentonite, a pH regulating agent and a functional auxiliary agent. The inorganic coating for the interior walls provided by the invention uses the silica sol as a main film-forming material, thereby having good environmental protection, good fire resistance and flame retardancy, and good gas permeability; the coating uses the emulsion as an auxiliary film-forming material, so that the flexibility of the coating is increased; and meanwhile, alkalinity of the inorganic coating for the interior walls can inhibit bacteria and algae from growing, so that wall surfaces can be kept clean.

The invention discloses a multifunctional stirring reactor, and relates to the field of reactors. The multifunctional stirring reactor comprises a reactor body, wherein an end cover is arranged at theupper end of the reactor body; the end cover is detachably connected with the reactor body; the upper end of the end cover is provided with a feeding hole and a motor; the lower end of the reactor body is provided with a discharge hole; a stirring shaft is arranged in the reactor body; the stirring shaft is connected with an output shaft of the motor; the stirring shaft is provided with a plurality of detachable stirring blades; corresponding blade deflection angles on the adjacent stirring blades are opposite; a convex arc-shaped filter screen hood is arranged in the reactor body in a position close to the discharge hole; the end cover is provided with a spraying device; the inner wall of the reactor body is provided with a groove; cylindrical brushes are arranged in the groove; rotatingshafts are arranged at two ends of the cylindrical brushes; and the rotating shafts are rotationally connected with the groove. The designed multifunctional stirring reactor is reasonable in structure, high in mixing and stirring efficiency, good in uniformity, multiple in function and convenient to use and has a cleaning function.

The invention discloses a smelting furnace for producing aluminum or aluminum alloy. The smelting furnace comprises a first smelting cavity, a first driving motor, a second driving motor, a hot air machine, a first filter screen and a second filter screen, wherein a feeding hopper is arranged at the upper end of the first smelting cavity, the first driving motor is installed on the left side of the first smelting cavity, the upper end and the lower end of a second stirring shaft are provided with a first grinding shaft and a second grinding shaft respectively, a heat collecting plate is arranged at the outer end of an electric heating wire placing groove, and an anti-sticking layer is sprayed on the outer layer of the heat collecting plate. The first rotating shaft and the second rotatingshaft in the smelting furnace for producing the aluminum or the aluminum alloy are in rotating motion in the same direction, so that raw materials for producing the aluminum or the aluminum alloy canbe stirred, grinding and cutting of fine particles and larger particles in the raw materials for producing the aluminum or the aluminum alloy are facilitated; and the raw materials used for producingthe aluminum or the aluminum alloy are prevented from being adhered to the side wall of the smelting furnace in the melting process of the raw materials for producing the aluminum or the aluminum alloy.

The invention relates to a blue light converter, a blue light resistant adhesive, a blue light resistant tape, and a preparation method thereof. The blue light converter is composed of following raw materials in parts by weight: 0.5 to 1.0 part of rare earth compounds, 3 to 5 parts of alkyl compounds, and 6 to 10 parts of quinoline compounds. The preparation method of the blue light converter comprises following steps: adding rare earth compounds, alkyl compounds, and quinoline compounds into a ball mill according to the ratio mentioned above, ball-milling the raw materials, and finally carrying out vacuum drying to obtain the blue light converter. Compared with the prior art, rare earth compounds are modified by the alkyl compounds and quinoline compounds to prepare the novel blue light converter; and solved are the problems that a conventional blue light absorbent pollutes the environment, if the addition amount of a conventional blue light converter is small, the blue light conversion effect is not good, but if the addition amount of the conventional blue light converter is large, the performance of the converter is severely influenced. The invention further provides a high performance blue light resistant adhesive and a blue light resistant tape.

The invention discloses a nano copper-zinc oxide PTFE fiber air filtration material and a preparation method thereof. According to the preparation method, the nano copper-zinc oxide PTFE fiber air filtration material is obtained through four steps of nano copper preparation, nano zinc oxide preparation, ingredient mixing and non-woven fabric manufacture. Compared with the prior art, the preparation method has the advantages that the air filtration material obtained by means of the method contains nano metal copper and nano zinc oxide, has the filtration effect and antibacterial effect and is capable of inhabiting and killing varieties of bacteria, high in efficiency, good in air permeability, high in air filtration speed and good in chemical stability and can be well matched with an air purifier or a novel fan, the filtration efficiency is up to 99.99%, a manufacturing process is simple, and industrialization is easily achieved.

The invention relates to a preparation method of a nanometer flaky manganese oxide material and application of the nanometer flaky manganese oxide material in an aqueous zinc ion battery. The method comprises the following steps: adding a divalent manganese salt and a hydrogen peroxide solution into absolute ethyl alcohol, and conducting uniform mixing to form an ethanol solution in which the divalent manganese salt and hydrogen peroxide are mixed; dissolving sodium hydroxide in an ethanol solution to form an ethanol solution of sodium hydroxide; mixing the ethanol solution of sodium hydroxide with the ethanol solution of divalent manganese salt and hydrogen peroxide under stirring, and carrying out a co-precipitation reaction; performing centrifugal washing and then conducting drying to obtain nanoparticle-shaped delta-MnO2; and dispersing the obtained nanoparticle-shaped delta-MnO2 in an acid solution, carrying out heating and stirring at 40-70 DEG C, performing centrifugal washing, and conducting drying at 40-80 DEG C to obtain the nanometer flaky delta-MnO2. The invention also discloses the application of the prepared nanometer flaky delta-MnO2 in the aqueous zinc ion battery. The nanometer flaky delta-MnO2 has excellent rate capability and cycling stability, and shows good application prospects.

The invention discloses a capillary drip irrigation system and relates to a drip irrigation device. The capillary drip irrigation system comprises a level controller, a balanced reservoir, a water supply pipe, a branched water diversion pipe, a water diversion capillary and a capillary drip head; each of the water supply pipe and the branched water diversion pipe is provided with a branched connector, and the capillary drip head is composed of a drip head cover and a capillary bundle; the drip head cover is mounted at the upper end of the water diversion capillary, the lower end of the water diversion capillary is connected to the branched connector of the branched water diversion pipe, the lower end of the capillary bundle extends into the branched water diversion pipe through the pipe space in the water diversion capillary, and the upper end of the capillary bundle is led out from the drip head cover; the inlet end of the branched water diversion pipe is connected to the branched connector of the water supply pipe, and the inlet end of the water supply pipe is connected to a supplied-water output connector of the balanced reservoir; an upper-limit water level electrode, a lower-limit water level electrode and a feed electrode which are arranged in the balanced reservoir are connected to corresponding input ports of the level controller through leads. By the arrangement, water level can be intelligently controlled, drip irrigation can be realized by the aid of the capillary principle, and the drip head cannot be plugged.

The invention relates to a method and a device for preparing a low-VOC and low-odor polypropylene composite material by adopting a multi-stage directional extraction and adsorption method, and belongs to the technical field of high polymer materials. The method specifically comprises the following steps: uniformly mixing the components for preparing the polypropylene composite material, adding the mixture into an extruder for extruding, and then, carrying out cooling, curing and drying. Directional extraction is carried out through an extracting agent A, an extracting agent B and an extracting agent C in sequence during melting in the extruder; harmful organic compounds in the polypropylene composite material are removed by combining vacuum extraction after extraction each time; and then step-by-step adsorption is carried out through an adsorbent D and an adsorbent E during plasticizing in the extruder. A multi-stage directional extraction and adsorption method is adopted, so that the extraction and adsorption effects are good, the dosage is small, the influence on the performance of a base material is small, and the application range is wide.

The invention discloses a device and method for realizing methane production and anaerobic ammonia oxidation integrated carbon and nitrogen removal, and belongs to the field of wastewater treatment. The main body belongs to a biological filter process and is provided with a cylindrical reaction device, a water inlet system, a temperature control system, a dosing system, a pH monitoring system, a gas collection system and a light-shielding protection system. According to the implementation of the methane production and anaerobic ammonia oxidation integrated carbon and nitrogen removal process,essentially, layered culture and optimization of different functional florae (mainly including two major types, namely, methane production related florae and anaerobic ammonia oxidation bacteria) arecarried out in a filter tank, that is, different microorganisms are cultured at different filter material heights, and the methane production related florae are located at the lower part of the filtertank, and the anaerobic ammonia oxidation bacteria are located at the upper part. Sewage enters the reaction device from bottom to top, organic matter removal and methane production are conducted firstly, then denitrification is conducted through anaerobic ammonium oxidation bacteria, and finally simultaneous carbon removal, denitrification and methane production in the single reaction device areachieved.

The invention discloses methoxamine hydrochloride injection and a preparation method thereof. The methoxamine hydrochloride injection per 1000ml comprises the following components: 5-12g of methoxamine hydrochloride, 0.5-1.2g of sodium chloride, and the balance of injection water, wherein the pH of the injection is adjusted to be 3.0-4.5 with hydrochloric acid. The preparation method of the injection comprises the following steps: preparing a methoxamine hydrochloride solution; stirring until the methoxamine hydrochloride solution is completely dissolved; adjusting the pH of the solution through hydrochloric acid; filtering with a nano titanium dioxide-calcium alginate charged microporous membrane until the solution is clear; filling; sterilizing; detecting leakage; inspecting with light;packing. With the adoption of the method, the fine particle reject rate can be increased, so that the injection filtering effect can be improved; a product is not absorbed; moreover, the pyrogen can be removed, so that the endotoxin of the product meets the regulation; the time for preparation can be shortened; the step of heating is eliminated, and thus methoxamine hydrochloride cannot be degraded; in addition, the technical operation is simple; the production cost is reduced.

The invention relates to a modified yellow light absorber, a yellow-light-proof adhesive, a yellow-light-proof adhesive tape and a preparation method of the modified yellow light absorber. The modified yellow light absorber is composed of raw materials including, by weight part, 4-8 parts of cyanine dye, 5-10 parts of alicyclic compound, 0.5-1 part of catalysts and 20-30 parts of solvent. The preparation method of the modified yellow light absorber comprises the following steps of uniformly mixing the cyanine dyes, the alicyclic compound, the solvent and the catalysts according to the weight part inside a three-orifice flask, and performing ultrasonic treatment, uniform mixing, filtering and vacuum drying to obtain the required modified yellow light absorber. Compared with the prior art, the preparation method of the modified yellow light absorber has the advantage that, by preparing the modified yellow light absorber with the alicyclic compound and the catalysts, the problem that existing cyanine dyes are poor in yellow-light-proofness when added at a small amount and are prone to absorbing light of other colors and resulting in poor visual effects when added at a large amount canbe solved, and meanwhile the problem of serious influence on product performance due to poor compatibility between existing cyanine dyes and adhesives can be solved.

The invention provides an indoor flame-retardant fire-fighting blanket. The indoor flame-retardant fire-fighting blanket comprises a fire-fighting blanket main body, wherein the fire-fighting blanket main body comprises a first base layer and a second base layer, wherein an air bag is arranged between the first base layer and the second base layer, air guide pipelines are vertically arranged on the upper side and the lower side, close to the outer edge, of the air bag, one ends, far away from the air bag, of the two air guide pipelines penetrate through the first base layer and the second base layer, the first base layer and the second base layer comprise textile layers, adsorption layers are connected to the outer sides of the two textile layers in a bonding mode, heat insulation layers are connected to the outer sides of the two adsorption layers in a bonding mode, flame-retardant layers are connected to the outer sides of the two heat insulation layers in a bonding mode, and the outer walls of the first base layer and the second base layer are coated with first fireproof layers. According to the indoor flame-retardant fire-fighting blanket, inert gas in the air bag, the flame-retardant layers and the heat insulation layers are arranged, so that the fireproof and oxygen-insulation effects of the fire-fighting blanket are improved, and the oxygen-insulation effect is good.

The invention discloses a recovery device for polishing magnetorheological fluid based on capillary action, and belongs to the field of magnetic waste liquid recovery treatment. The recovery device comprises an electric lifting rod, an upper bracket, a recovery device, a support frame and an outer bracket; the electric lifting rod comprises a motor end and a lifting end, the motor end is fixedly connected to the middle of the upper end of the upper support, the recycling device comprises an upper end cover, a water and gas filtering disc, a screening disc and a chassis which are arranged from top to bottom, the lifting end is fixedly connected with the upper end of the upper end cover and can drive the upper end cover to move up and down, and the chassis is installed on the support frame. A cylinder body is further installed on the periphery of the support frame. The upper end cover is provided with a plurality of air pipe holes used for allowing capillary tubes to be inserted. New substances are not brought in in the whole process through the device, the range of the magnetorheological fluid capable of being treated is wider, the separation speed is high, the recovery rate is high, and separated magnetic particles and abrasive particles can be directly used.

The invention relates to the technical field of environmental protection, and specifically discloses an automatic treatment system capable of remotely monitoring rural sewage. The automatic treatmentsystem comprises a treatment box, the inner cavity of the treatment box is a treatment cavity; a uniformly mixing assembly is mounted in the middle of the treatment cavity; a first driving mechanism for driving the uniformly mixing assembly to rotate is mounted on the outer side wall of the treatment box; a choked flow mixing screen plate is mounted in the treatment cavity in the upper side of theuniformly mixing assembly; a lifting assembly is mounted in the treatment cavity in the lower side of the uniformly mixing assembly; a second driving mechanism for driving the spiral blades of the lifting assembly to rotate is mounted on the outer side wall of the treatment box; an aeration assembly used for conveying compressed air to the vertical rotating pipe of the lifting assembly is furtherarranged at the bottom of the treatment box, and a medicament adding assembly used for adding a treatment medicament into the upper side space of the choked flow mixing screen plate is further arranged at the top of the treatment box. The system is novel in structure and convenient to operate, medicaments are mixed conveniently, and the sewage treatment efficiency and effect are improved.