34results about How to "High descaling rate" patented technology

The invention relates to an external cold water descaling device for a direct-current converter valve cooling system and a method. The external cold water descaling device comprises a descaling tank, a direct-current power source, an electrode, an ultrasonic generator and a scale residue collection tank, a cathode and an anode of the electrode are corresponding connected with a cathode and an anode of the direct-current power source, the electrode is fixedly mounted in the descaling tank, the ultrasonic generator is mounted on the descaling tank, the scale residue collection tank is mounted at the bottom of the descaling tank, and the bottom of the descaling tank is open. The method includes: fixedly mounting the electrode with the descaling tank, and applying low voltage on the electrode; enabling calcium and magnesium ions of spraying water to be in chemical reaction at the cathode of the electrode to generate fouling; applying vibration of certain frequency on the electrode, and adjusting vibration frequency of the ultrasonic generator to vibration frequency identical when the fouling is adhered on the electrode to enable the fouling to shed into the scale residue collection tank. Through the descaling device and the method, scaling ions in spraying water can be removed, and the scaling problem of a cooling tower in a convertor station is solved.

The invention provides an organic descaling composition, which includes an organic cleaning agent and a corrosion inhibitor CM-911, and the weight ratio of the organic cleaning agent and the corrosioninhibitor is 100:0.1-0.3. The organic cleaning agent includes the follow components by weight: 1%-15% of maleic acid-crylic acid copolymer (MA-AA), 1%-25% of 1-hydroxyethylidene-1,1-diphosphonic acid(HEDP), 2%-30% of amino trimethylene phosphonic acid (ATMP), 0.03%-0.5% of penetrating agent JFC and balance of water. The organic descaling agent provided by the present invention has advantages offast reaction speed, small corrosivity for material and high descaling efficiency.

The invention relates to a reverse osmosis membrane assembly continuous offline cleaning device. The device comprises a plurality of cleaning tanks, and a driving and conveying device, wherein the cleaning tanks are used for soaking and cleaning reverse osmosis membrane assemblies, and are independent from one another; the driving and conveying device is used for driving the reverse osmosis membrane assemblies to be continuously cleaned in the cleaning tanks which are independent from one another. The offline cleaning method is adopted; the polluted membrane assemblies are soaked in the cleaning solution tanks, and parallel connection is adopted by the equipment for simultaneous and separate cleaning of the multiple membrane assemblies; a cleaning solution inlet end cover and one end of each membrane assembly are fixed on a double-chain through clamps, and the other end of each membrane assembly is fixed on the other side of the double-chain, so that the assemblies can be conveniently mounted, the complex assembly disassembly process is avoided, and labor conservation is achieved; an identical number of the membrane assemblies are mounted in each cleaning solution tank, the equipment automation level is improved through the chain transmission method, and the membrane assemblies in the different cleaning solution tanks are operated at the same time, so that the whole assembly line is continuous, the cleaning time is reduced, and the cleaning efficiency is improved.

The invention relates to a fully organic corrosion and deposit inhibitor for industry water treatment and a fabrication method to be concerned, which is fabricated by the weight percentage compositions of the following elements: 20 percent to 30 percent of acrylate-acrylate copolymer, 12 percent to 20 percent of sulfonic acid copolymer, 5 percent to 10 percent of polyepoxysuccinic acid, 0.6 percent to 0.9 percent of benzotriazole, 10 percent to 15 percent of hydroxy ethylidene diphosphoric acid, 2-butane phosphate 1,2,4, 15 percent to 25 of percent tricarboxylic acid, 2 percent to 4 percent of zinc salt and deionized water; the invention is the corrosion and deposit inhibitor for industry water, which is fabricated by acrylate-acrylate copolymer, sulfonic acid copolymer, polyepoxysuccinic acid, hydroxy ethylidene diphosphoric acid, 2-butane phosphate 1,2,4, tricarboxylic acid (PBTCA), benzotriazole and zinc salt, the invention solves the problems of complicated operation for site user and high cost; after testing, the scale removing rate of the invention is over 95 percent.

The application discloses a scale inhibitor and descaling agent and a preparation method thereof, belonging to the field of oilfield exploitation. The scale inhibition and descaling comprises the following components in parts by weight: 0.2-0.6 part of anti-swelling agent, 0.013-0.021 part of anti-scaling agent, 0.004-0.005 part of methylated mono-macrocyclic polyamine, 0.01-0.02 part of descaling agent agent, 0.15-0.4 parts of dispersant, and the balance of water. In this application, the cations generated by the dissociation of the anti-swelling agent are neutralized with the negative charge on the surface of the clay, reducing the electrostatic repulsion of the clay and inhibiting the expansion of the clay; the anti-swelling agent can directly convert calcium sulfate or calcium carbonate into water-soluble substances, avoiding the combination of scale-forming ions; dissolving calcium carbonate scale or calcium sulfate scale by methylated mono-macrocyclic polyamine; dispersing the above components uniformly by dispersing agent. The scale inhibitor and descaling agent provided by the application has good descaling effect, high descaling rate, short descaling time and low corrosion rate to equipment.

The invention discloses an electrolytic descaling device for circulating water treatment of a ship boiler. The device comprises a reducing motor, a water inlet valve, a water outlet valve, a drainage valve, a reverser, a scraper, circular disc plate electrodes, a precipitation tank, conductivity detection electrodes, a scale controller, a cylindrical barrel, a precipitation tank, a rotary shaft, a slide ring and a shaft sleeve, wherein six pairs of circular disc plate electrodes are sequentially fixed on the rotary shaft, respectively; the front five pairs of circular disc plate electrodes are connected with the reverser through leads to form a multi-stage serial treatment structure; the last pair of the circular disc plate electrodes is taken as the conductivity detection electrodes which are connected with the scale controller through leads. According to the device disclosed by the invention, the multi-stage serial plate electrodes are adopted, so that the contact area of electrochemical reaction can be effectively enhanced, the descaling rate in unit time is improved, and meanwhile, the size of the device is reduced, and the spatial utilization rate is improved. The device disclosed by the invention collects hardness of treated water to form closed-loop control to automatically feed back and adjust the decomposition voltage, so that the device is simple and convenient to operate, and the energy consumption of the whole device can be effectively reduced.

The invention provides a chemical cleaning agent for an air preheater, which comprises sodium dodecylbenzenesulfonate, sodium alkylsulfonate succinate, polyoxyethylene alkyl ether, alkylbenzenesulfonate, polyamide, Organic silicon, trisodium phosphate, and sodium hydroxide are special cleaning agents for cleaning the air preheater. They can clean the air preheater online without affecting the operation of the air preheater. The cleaning effect is good and the scale removal rate is high. practical.

The invention discloses a fish scaling and slicing all-in-one machine which solves the problems that in the prior art, fish shakes under the pressure effect of a water gun, so that a slicing cutter cannot be accurately aligned, slicing is not uniform, and the operation assisting time is long, and has the effects of being high in scaling rate, free of damage and high in production efficiency. According to the technical scheme, the device comprises a rack, a scaling conveying mechanism and a slicing conveying mechanism, wherein the scaling conveying mechanism and the slicing conveying mechanismare sequentially installed in the rack, and the scaling conveying mechanism and the slicing conveying mechanism form a double-transmission space staggered connection structure; guide grooves used forguiding fish bodies are formed below the scaling conveying mechanism and the slicing conveying mechanism, a water gun arranged in a profiling structure is installed on the side face of the scaling conveying mechanism, and the water gun can enable water flow to be sprayed out in a spiral shape.

The invention provides an antisludging agent for a reverse osmosis membrane and a preparation method of the antisludging agent. The antisludging agent comprises the following components: 12-16 parts of modified polyepoxysuccinic acid, 4-8 parts of hydrolyzed maleic anhydride, 3-6 parts of adipic acid / hexanediol methyl ester copolymer, 4-8 parts of malonic acid / amine-terminated polyether / diethylenetriamine copolymer, 1-2 parts of diethylenetriamine pentaacetate, 0.01-0.06 part of bactericide, and 50-70 parts of deionized water. The preparation method is as follows: 1) mixing the modified polyepoxysuccinic acid, the adipic acid / hexanediol methyl ester copolymer, the malonic acid / amine-terminated polyether / diethylenetriamine copolymer and part of deionized water, carrying out ultrasonic concussion to obtain a mixed solution A; 2) mixing hydrolyzed maleic anhydride, diethylenetriamine pentaacetate and the rest of the deionized water, adding the mixed solution A and the bactericide, and stirring evenly. The antisludging agent not only effectively eliminates the deposition of CaSO4 and CaCO3, but also removes scales of calcium phosphate and silicon dioxide, and no white flocculent precipitate is produced.

The invention provides a cup wall and cup bottom descaling device, which includes a base mechanism for supporting the equipment, a transmission mechanism for transmitting the power of the equipment, and a cleaning mechanism for cleaning the scale on the cup wall and bottom of the cup , the bottom of the inner wall of the base mechanism is fixedly connected with a transmission mechanism, and the surface of the transmission mechanism is sleeved with a cleaning mechanism, which relates to the technical field of daily necessities. According to the situation that the existing cup brush does not clean the water cup and cannot completely remove the scale on the cup wall and bottom of the cup, this device is designed to manually clean the inner wall of the attached water cup and clean the bottom and bottom of the cup. The special structure at the junction of the cup wall and the bottom of the cup can absorb the remaining pigment and odor in the inner cavity of the cup, thus effectively solving the problem that it is difficult for the general cup brush device to completely clean the scale and odor in the inner cavity of the water cup, and even affect people's drinking for a long time. The quality of the water will cause people to have symptoms of stones and harm their health.

This application designs the technical field of descaling and descaling, and specifically discloses a composite acidic descaling and descaling cleaning agent. In terms of mass percentage, the composite acidic descaling and descaling cleaning agent includes 10%-50% of acid, complexing agent 5‑10%, 0.5‑2% corrosion inhibitor, 3‑10% wetting agent, 0.05‑2% color code indicator, and deionized water as the balance. The composite acidic descaling and descaling cleaning agent provided by the application has the advantage of quickly indicating whether the cleaning end point is reached, so that metal cleaning is complete.