37results about How to "Enhanced descaling ability" patented technology

The invention discloses an automatic descaling device for shafts. The automatic descaling device comprises a pump shell (1), a pump body, a mandrel (3), an inflow head (4), a rubber sleeve (5), a connector (6), impellers (7) and scraper devices. The mandrel (3) is fixedly connected with the pump body. The impellers (7) and blade wheels (11) are mounted on the mandrel (3) at intervals. The scraper devices are mounted on the outer peripheries of the blade wheels (11). The inflow head (4) and the rubber sleeve (5) are communicated with the water inlet end of the mandrel (3). The water outlet end of the pump shell (1) is sequentially connected with a pressure control valve (17) and the connector (6). The invention further discloses a descaling method. The automatic descaling device and method has the advantages that downhole gas-liquid kinetic energy is converted into operation mechanical energy of the descaling device so as to achieve automatic descaling, descaling time is shortened, and combination of high-speed gas-liquid descaling and mechanical descaling is achieved.

The invention relates to a chemical cleaning material, and in particular to a special chemical cleaning material for removing scale of a water heater. The special antiscaling agent for the water heater is characterized by being formed by mixing components A, B, C and C, wherein the component A is an acidic antiscaling component which is 70 to 95% in percentage by weight; the component B is an adhesive which is 2 to 8% in percentage by weight; the component C includes a metal ion chelating agent and a curing agent, which is 2 to 20% in percentage by weight; and the component D is a corrosion inhibitor, which is 1 to 5% in percentage by weight. With the adoption of the prescription, the special antiscaling agent for the water heater provided by the invention has the advantages of being relatively low corrosion to metal, and high antiscaling performance; and moreover, the special antiscaling agent can be manufactured in a certain shape, and the dimension is in line with that of a sewage draining port of the water heater; and the antiscaling agent can be directly added to the water heater through the sewage draining port; the problem that the powdered material or liquid is hardly added can be solved; the antiscaling agent is convenient and quick to use, and the operation is simple to carry out.

The invention discloses an austenitic stainless steel cleaning and passivating agent. The austenitic stainless steel cleaning and passivating agent is composed of, by mass, 30%-40% of citric acid, 0.1%-1% of ethylene diamine tetraacetic acid disodium, 1%-5% of 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP), 3%-8% of glycollic acid, 3%-8% of phosphoric acid, 0.1%-2% of a non-ionic surface activeagent, 0.5%-3% of 322H, 0.5%-1% of sodium dodecylbenzenesulfonate, 0%-0.5% of yttrium nitrate, 0.1%-1% of corrosion inhibitor and the balance water. The prepared degreasing, rust removing and passivating agent has the characteristics of being environment-friendly, free of pungent smell and free of toxicity, harm to people and the environment can be remarkably reduced, and the production cost is effectively reduced.

The invention relates to a descaling agent for water scale of condensing equipment and a descaling method. The descaling agent comprises the following materials in percentage by weight: 15%-30% of dissolving agents, 2%-5% of permeating agents, 1%-5% of corrosion inhibitors, 10%-30% of cosolvents, 20%-30% of purified water and the balance of ethanol, wherein the dissolving agents are selected from oxalic acid, citric acid, ascorbic acid, salicylic acid and glacial acetic acid; the permeating agents are selected from diethyl succinate, butyl cellusolve and sulfonated dioctyl succinate sodium salt; the corrosion inhibitors are selected from urotropine, aniline and diethyl thiourea or rodine; the cosolvents are selected from para-benzoic acid, urea, cyclohexanone, acetamide and sodium salicylate. The descaling agent disclosed by the invention is obtained by blending the raw materials, has high descaling capacity and higher descaling speed by utilizing combined effect, is less in corrosion on equipment and low in price and can save a large amount of cleaning expense, enhance the equipment operation level, the energy utilization level and the production efficiency and greatly reduce the product production cost.

The invention provides a scale inhibition particle as well as a preparation method and application thereof, the scale inhibition particle comprises scale inhibition powder, an adsorption material anda binder, and the binder is a combination of a water-soluble binder and a cured binder; the scale inhibition particle prepared by the invention has the advantages of strong descaling capability, longscale inhibition life, good water resistance, excellent water purification function, good slow release effect, controllable release rate, long action, simple preparation process and low cost, are usedfor water quality scale inhibition treatment, and are especially suitable for scale inhibition treatment of household water.

The invention discloses cleaning liquid capable of preventing steel from being corroded, which is prepared from the following raw materials in parts by weight: 2.7 to 5.3 parts of hydroxyethylidene diphosphonic acid, 4.2 to 5.6 parts of active alumina powder, 5.2 to 7.6 parts of ethylene diamine disuccinic acid, 5.4 to 7.6 parts of 2-acrylamide, 3.5 to 5.6 parts of phosphate ester salts, 3.2 to 5.6 parts of glycerol monooleate hexamer and 5.6 to 7.3 parts of a corrosion inhibitor. The cleaning liquid not only has the cleaning ability, but also is corrosion inhibitors capable of preventing the corrosion of steel. An experiment shows that the cleaning agent has good anti-corrosion performance for steel, copper, aluminum, tin and alloys thereof; the cleaning ability is improved since activated alumina powder and ethylenediamine disuccinic acid are added. The cleaning liquid has good scavenging effect on difficultly washed oil dirt and polymers dirt particularly; the cleaning agent can be prepared at room temperature so that the energy is saved and the operation is easy.

The invention provides an alloy material with an anti-scaling purpose. The alloy material with the anti-scaling purpose comprises the following components in percentage by mass: 45%-55% of Cu, 22%-35%of Zn, 11%-25% of Ni, 2%-4% of Sn, 2%-3.5% of Al, 1.5%-3.5% of Mn, and 0.01%-0.1% of Au. The invention also discloses a preparation method of the alloy material. The preparation method comprises thesteps of selecting smelting raw materials, carrying out burdening calculation, and selecting a smelting tool and a smelting process for smelting. The alloy material is formed by matching and alloyingdifferent metal elements, so that scaling of equipment in the industrial production process is prevented, the heat efficiency of the equipment is improved, and the production cost is reduced.

The invention discloses a scavenger for clearing away PVC (polyvinyl chloride) polymer in a top condenser of a polymerization kettle, which comprises the following components by weight percentage: 60-80% of a chelator, 1-5% of a penetrant, 0.5-3% of a surfactant, 15-25% of a cosolvent and the balance of acetone or glycol. The scavenger is prepared by the steps of adding raw materials such as the chelator, the penetrant, the surfactant, the cosolvent and the like in a reactor, stirring, adding acetone or glycol after the raw materials are fully dissolved, and stirring uniformly; and finally filling. The scavenger for clearing away PVC polymer provided by the invention has strong chelation dissolving capacity, high dissolving rate, almost no corrosion to all metals and high descaling capacity, is convenient to use and fast in action, and does not affect the continuous normal production of enterprises. The scavenger has remarkable social and economic benefits.

The invention discloses a car cleaning agent. The car cleaning agent is prepared from the following raw materials in part by weight: 8-12 parts of sodium dodecylbenzenesulfonate, 5-8 parts of trisodium phosphate dodecahydrate, 2-4 parts of sodium hydrogen ferric diethylenetriaminepentaacetate complex, 2-5 parts of polyoxyethylene lauryl ether, 3-4 parts of trisodium N-iminodiacetate, 4-5 parts ofpotassium silicate, 6-7 parts of cocamidopropyl betaine, 3-4 parts of sodium xylene sulfonate, 7-8 parts of stearoyl diethanolamine, 3-5 parts of glyceryl monostearate, 8-10 parts of surfactant, 6-7 parts of alkylbenzyloxyamine, 5-6 parts of anionic surfactant, 3-4 parts of nonionic surfactant, 4-5 parts of brightener and 25 parts of water. The car cleaning agent has the beneficial effects that acar body and glass can be rapidly washed by using the car cleaning agent, meanwhile, the car cleaning agent does not damage the car, and has good descaling capability.

The invention discloses a cleaning solution for cleaning the surface of printing and dyeing equipment. The cleaning solution comprises, by weight, 4-16 parts of inorganic acid, 0.2-0.7 part of potassium thiocyanate, 2-4 parts of hydrochloric acid, 2-4 parts of nitric acid, 2-4 parts of hydrogen fluorideammonia, 0.1-0.9 part of penetrant, 0.2-1 part of corrosion inhibitor, 0.1-0.4 part of aniline, 0.1-0.8 part of emulgator, and 100-150 parts of water. According to the cleaning solution for cleaning the surface of the printing and dyeing equipment, multiple kinds of the inorganic acid cooperate with the corrosion inhibitor and the penetrant; special effects such as permeating, stripping, decomposing and diffusing are performed; different chemical reactions such as decomposing and combining are conducted among the inorganic acid, the corrosion inhibitor, the penetrant and dirt; and the purposes that the dirt is cleaned and the surface of the equipment is not damaged are finally achieved.

The invention discloses a toothpaste to remove calculus. The invention consists of the following substances calculated by weight portions: aluminum hydroxide: 35 to 40, sorbitol: 8 to 12, glycerol: 3 to 6, hydroxymethyl cellulose: 0.5 to 1, hydroxyethyl cellulose: 0.3 to 0.6, sodium monofluorophosphate: 0.5 to 0.8, sodium fluoride: 0.1 to 0.2, dodecyl sodium sulphate: 1 to 2, saccharin: 0.05 to 0.1, colloidal silicon dioxide: 3 to 5, methyl p-hydroxybenzoate: 0.1 to 0.3, 1-hydroxy-1,1-biphosphonate ethane trisodium salt: 0.5 to 1, sodium pyrophosphate: 3 to 5, allantoin: 0.1 to 0.3, flavour: 0.5 to 1, deionized water: 35 to 45. The invention can prevent calculus, dental caries, dental plaque and other diseases and also has a certain effects for the prevention and treatment of halitosis.

The invention relates to an acidic descaling agent for cooling-water systems, which comprises hydroxy-ethidene diphosphoric acid, sumadil polyphosphate, sodium humate and water, the prepared agent has a pH of 2-4, and can remove carbonates, sulfates, rust scales and the deposit of other minerals.

The invention relates to the field of PS/CTP printing and in particular relates to a natural scale remover for a PS plate/CTP plate rinsing machine and a preparation method of the natural scale remover. The scale remover is prepared from the following raw materials in parts by weight: 3-5 parts of citric acid, 4-8 parts of boric acid, 10-14 parts of white vinegar, 1-3 parts of green tea seed meal with the granularity of 400-600 meshes, 2-3 parts of lauryl sodium sulfate, 0.1-0.2 part of ammonium sulfamate, 1-3 parts of sodium of polyaspartic acid, 50-60 parts of ionized water and 2-4 parts of aids. According to the scale remover disclosed by the invention, the traditional diluted hydrochloric acid solution is replaced by a mixed solution of the citric acid, boric acid and white vinegar, good scale removing capacity is remained, and the scale remover is environment-friendly and safe and has less possibility of corroding equipment. The green tea seed meal contains natural decontaminating components, has antibacterial and preservative effects and is combined with the aids and other components, so that the scale remover disclosed by the invention has high scale removing and cleaning capacities, can be used for effectively preventing the plate rinsing machine from scaling again, does not cause harm to the plate machine, does not influence the printing effect, is difficult to rot and deteriorate and is storage-resistant.

The purpose of the invention is to provide a descaling and cleaning agent specially used for heat exchangers. The descaling and cleaning agent comprises urotropine, aniline, potassium thiocyanate, nitric acid and tap water. The descaling and cleaning agent has the advantages of strong descaling capability, fast speed, no corrosion to devices, and suitableness for descaling of the heat exchangers, boilers and other devices.

The invention provides a phosphorus-free acidic cleaning agent, a preparation method and application thereof. The phosphorus-free acidic cleaning agent comprises the following components by weight: 60-70 parts of water; 15-20 parts of formic acid; 5-10 parts of an organic acid; 6-9 parts of an acidic buffer agent; 0.2-0.5 part of a corrosion inhibitor; 1-5 parts of a low-foam surfactant; and 1-5 parts of a builder. The invention further discloses a preparation method of the phosphorus-free acidic cleaning agent and application of the phosphorus-free acidic cleaning agent in the field of aluminum workpiece cleaning. The phosphorus-free acidic cleaning agent is scientific and reasonable in formula, and has the advantages of usability at normal temperature, low foam and workpiece appearance beautification while meeting the phosphorus-free requirement of the market.

A scale inhibitor used for a heating network of a boiler comprises the following raw materials: deionized water, carbohydrazide, methyl ethyl ketone oxime, acetone oxime, ATMP (Amino Trimethylene Phosphonic Acid), sodium hydroxide, zinc sulfate, thiourea, alkylphenol ethoxylates, maleic anhydride and nano modified kaolin. The scale inhibitor cannot deposit, has no side effect and cannot generate secondary scale; the value of phosphorus in discharge water is 0.05-0.25mg/L, the scale inhibitor has high adaptability and can resist high temperature of 150-250 DEG C, and the pH value does not need to be adjusted when drugs are added; a synergistic effect is generated among all the ingredients, the rate of corrosion to carbon steel is 0.01-0.03mum a <-1>, the scale inhibition rate to calcium carbonate is 95.5-99.5%, and the scale inhibitor is convenient to use, has low cost and simple process and can be widely used.

The invention discloses an electric heater descaling device. The device comprises a descaling vehicle. A plurality of universal wheels are arranged at the bottom of the descaling vehicle. Rotary shafts are arranged on the universal wheels correspondingly. The universal wheels are fixedly connected with the bottom end of a vehicle frame through the rotary shafts correspondingly. A holding table isarranged in the middle of the vehicle frame. A portable power supply is arranged at the top of the holding table. A sound wave controller is arranged at the top of the vehicle frame. A displayer, a switch and an emergency stop button are arranged on one side of the sound wave controller. The sound wave controller is in data connection with a descaling instrument. The descaling instrument is arranged at the bottom of an electric heater. A sound wave generating device is arranged inside the descaling instrument. The electric heater descaling device has the beneficial effects that scale inside the electric heater is cleaned and scoured through impact wave generated by breaking of bubbles in liquid, no component is damaged, a desludging valve is opened after clearing is completed, blots are dissolved in water and flow out, and the electric heater descaling device is fast, efficient, safe and free of pollution.