38results about How to "Curb excessive consumption" patented technology

The invention discloses an environment-friendly metal corrosion inhibitor and a preparation method thereof. Inedible cassava starch, canna edulis ker starch and the like are used as raw materials; the raw materials and acrylamide undergo graft copolymerization reaction under the action of a catalyst to form the metal corrosion inhibitor; the catalyst is potassium peroxydisulfate-sodium hydrogensulfite or ammonium persulfate-sodium hydrogensulfite; and the molar ratio of the potassium peroxydisulfate or the ammonium persulfate to the sodium hydrogensulfite is 1:0.5-1:1.5. The product can effectively prevent the corrosion of a metal material, and has the characteristics of low consumption, high corrosion inhibiting efficiency and the like compared with the current common corrosion inhibitor. Meanwhile, the corrosion inhibitor has wide raw material source and low price, is regenerative and non-toxic, can be fully decomposed by organisms and form virtuous circle in the nature, and has good application prospect.

Disclosed is a carbonation device including: a storage tank storing a carbonation subject solution; a droplet spray unit spraying the carbonation subject solution from the storage tank as droplets; a carbonation reaction tank disposed with the droplet spray unit and filled with a carbonation gas under a predetermined pressure to provide a slurry by a carbonation reaction of the droplet-sprayed carbonation subject solution with the filled carbonation gas; a carbonation gas supply unit supplying the carbonation gas into the carbonation reaction tank to maintain the carbonation gas in the carbonation reaction tank under the predetermined pressure; and a slurry outlet unit ejecting the slurry from the carbonation reaction tank to maintain the slurry formed in the carbonation reaction tank within a predetermined level, and a method of carbonation using the same.

The invention relates to a steel (carbon steel) seawater corrosion inhibitor, in particular to a carboxymethyl chitosan oligosaccharide schiff base organic carbon steel seawater corrosion inhibitor and application thereof. The corrosion inhibitor comprises components of one or two of highly water soluble carboxymethyl chitosan oligosaccharide schiff base, disodium hydrogen phosphate and mixture of highly water soluble carboxymethyl chitosan oligosaccharide schiff base and disodium hydrogen phosphate. The corrosion inhibitor in the invention can effectively prevent seawater from corroding carbon steel and has the greatest advantages of small used amount, high corrosion inhibition efficiency and long acting time. The product in the invention is an 'environmentally-friendly' green corrosion inhibitor, has a wide source range and has a promising market prospect and a high application value.

The invention discloses a green abluent and appliance with niacin and vitamin B3, which is characterized by the following: adopting 0.10-1.0mol / L dilute hydrochloric acid or dilute sulphuric acid as cleaning fluid; adding abluent according to the quantity at 0.010g / L-2.0g / L; immersing the uncleaned hot-dip galvanizing, zinc-aluminium alloy and zinc-aluminium alloy coated steel for 15 min to 3h at indoor temperature. The invention is a soluble vitamin without damaging environment and biology, which satisfies developing trend of abluent.

The invention relates to the technical field of metal pickling corrosion and prevention, in particular to a novel water soluble metal pickling corrosion inhibitor and application thereof. The corrosion inhibitor comprises water soluble O,O'-bis(substituent)phosphorodithioic ammonium ethanol compounds, namely, O,O'-bis(phenyl)phosphorodithioic-N-ammonium ethanol, O,O'-bis(phenyl)phosphorodithioic-N,N-diethanol amine, O,O'-bis(phenyl)phosphorodithioic-N,N,N-triethanolamine, O,O'-bis(4-tolyl)phosphorodithioic-N-ammonium ethanol, O,O'-bis(4-tolyl)phosphorodithioic-N-N-diethanol amine and the like. The corrosion inhibitor provided by the invention comprises the water soluble O,O'-bis(substituent)phosphorodithioic ammonium ethanol compounds; the water soluble O,O'-bis(substituent)phosphorodithioic ammonium ethanol compounds form an ionic type organic corrosion inhibitor which contains one or more hydrophilic hydroxyl groups; compared with other corrosion inhibitors, the novel water soluble metal pickling corrosion inhibitor is high in water solubility, and does not have the problem of precipitation in an acidic solution.

Production of corrosion inhibitor of uracil, in fact, preventing carbon steel and its products from unnecessary corrosion and acid liquid waste in acid washing process, and its use are both disclosed herewith. The corrosion inhibitor comprises kinds of uracil compounds, one or more kinds mixed. It is used to be added into acid liquid of (0.1mol / L-1mol / L) with concentration of corrosion inhibitor (0.001g-2.0g) / L. The uracil as component of nucleic acid exists widely in nature so as to have no toxicity. It is used a little and can work long.

The invention relates to a carbon steel pickling corrosion inhibitor based on polygonatum sibiricum polysaccharides. The corrosion inhibitor is the polygonatum sibiricum polysaccharides, and can be used for preventing the consumption of metal or acid liquid in the pickling process of carbon steel and a product thereof. The corrosion inhibitor is a natural plant extract, has the characteristics ofbeing environment-friendly, low in price, wide in source and free of pollution, is suitable for industrial acid pickling of the carbon steel and the products thereof, and has a good application prospect.

The invention relates to an imidazoline asymmetrical bi-quaternary ammonium salt. The preparation method comprises the following steps that: diethylene triamine and organic acids of octalkyl to heptadecyl react to generate alkyl imidazoline; long chain alkyl tertiary amine, hydrochloride of long chain alkyl tertiary amine and epichlorohydrin react to generate N-(3-chlorine-hydroxypropyl)-N, N-dimethyl long chain alkyl quaternary ammonium salt; and the alkyl imidazoline and the N-(3-chlorine-hydroxypropyl)-N, N-dimethyl long chain alkyl quaternary ammonium salt react. When the salt is used as a carbon steel corrosion protection acid pickling inhibitor, the salt has the advantages of easy synthesis, low-priced and easily-bought materials; because the salt is the organic inhibitor, the salt is nontoxic and unharmful, and has wide biological activity and good water solubility and can effectively inhibit corrosion of metallic matrix in the acid and excessive consumption of acid liquor; moreover, the salt also has the advantages of low consumption, high efficiency, strong sustained action capability and good application prospect.

The invention relates to a corrosion inhibitor production technical field, in particular to a thiourea-based carbon steel restrainer for avoiding unnecessary corrosion and acid liquor waste in the acid washing process of the carbon steel and manufactures and an application thereof. The corrosion inhibitor which is a compound or combination of the thiourea-based compounds uses the cleaning liquid added with the corrosion inhibitor to submerge and clean the carbon steel, wherein the cleaning liquid is the acid washing liquor of which the concentration is 0.1mol / L to 1mol / L, each liter of acid liquor is added with 0.001g to 2.0g of the corrosion inhibitor and submerges the carbon steel for 0.5 to 4 hours at room temperature. The components of the corrosion inhibitor of the invention are the thiourea-based compounds which have the advantages of non-toxicity, harmlessness, easy synthesis and easily bought and low priced raw materials; moreover, when the surfaces of the carbon steel and manufactures thereof are cleaned by the corrosion inhibitor of the invention, the excessive etching of the base metal and the excessive consumption of the acid liquor during the acid washing process are avoided, thereby the invention has the advantages of low use level, high efficiency and strong sustained action capability.

The invention provides a transition metal compound efficient metal acid pickling corrosion inhibitor and application thereof, and belongs to the field of metal acid pickling corrosion and protection.The corrosion inhibitor is a transition metal compound, has the advantages of being environment-friendly, without toxicity, simple in synthesis, low in cost, efficient and stable in corrosion resistance. The corrosion inhibitor can be used for acid pickling corrosion of metals, is wide in application range and has good corrosion inhibition performance. Meanwhile, the corrosion inhibitor can betterbear the change of cleaning conditions, and particularly has the advantage of being stable in corrosion inhibition performance. In addition, the corrosion inhibitor also has the advantages of being environment-friendly, without toxicity, simple in synthesis and low in cost, has relatively high application value, and is worthy of large-scale popularization and application.

The invention discloses the green cleaning agent and application. It can be used to clean coated steel. The cleaning fluids are dilute hydrochloric acid or dilute sulphuric acid, whose concentration is 0.10-1.0mol / L, 0.010g-2.0g cleaning agent is added per liter cleaning fluid, and the coated steel is immersed for 15min-3hours. The invention has the advantages of low price, low consumption, high efficiency and strong continuous action ability. The invention has nontoxic for environment and biology, so it has wide foreground.

The invention relates to a steel product (carbon steel) seawater corrosion inhibitor, in particular to an oligochitosan corrosion inhibitor and an application thereof. The corrosion inhibitor comprises the components of oligochitosan with better water solubility after chitosan degradation or a combination of oligochitosan with one or two of zinc sulfate and hexamethylene tetramine. The corrosion inhibitor can effectively prevent the corrosion of seawater on carbon steel and has the advantages of low use amount, high corrosion inhibition efficiency and strong action duration capability. The product of the invention is an environmental-friendly green corrosion inhibitor and has a wide material source range, a broad market prospect and a good application value.

The invention discloses an environment-friendly pickling inhibitor and an application of the environment-friendly pickling inhibitor in the pickling of carbon steel, to effectively solve the problem of the pickling of the carbon steel. The chemical components of the environment-friendly pickling inhibitor include water and any two or three of urotropin, cation surfactant, dodecyl dimethylbenzyl ammonium chloride, octadecyl dimethylbenzyl ammonium chloride, dodecyl dimethylbenzyl ammonium bromide, myristyl dimethyl ammonium chlorid; the method for application of the environment-friendly pickling inhibitor to the pickling of the carbon steel comprises the steps: adding the pickling inhibitor into a hydrochloric acid solution or a sulphuric acid solution with a concentration of 1.0-10mol / L according to the ratio of 1L of acid solution to 0.05g-2g of the pickling inhibitor; immersing the carbon steel to be washed or a carbon steel product in the acid liquid added with the pickling inhibitor; and controlling the temperature to be 20-70 DEG C and immersing time to be 5-20min. The pickling inhibitor provided by the invention is a pickling inhibitor friendly to the environment. The pickling inhibitor is non-toxic and harmless, is environment friendly, does not cause environmental problems after application, and conforms to the development trend of the green corrosion inhibitors.

The invention relates to the technical field of corrosion inhibitors, and discloses a corrosion inhibitor, a cleaning solution and applications thereof. The corrosion inhibitor includes the following components in terms of weight percentage: 37-60% of modified imidazoline derivatives, 20-30% of organic alcohols, 10-20% of organic amines, 5-10% of acetylenic alcohols and their derivatives, non- Ionic surfactant 1-3%. The corrosion inhibitor is added to the cleaning solution for immersion cleaning of stainless steel. The cleaning solution is a mixed acid solution of 12% hydrochloric acid and 3% hydrofluoric acid, and 3g of corrosion inhibitor is added to each liter of acid solution. The invention has the advantages of good cleaning effect, low corrosion, low production cost, simple process and no pollution to the environment, and can be used as a corrosion inhibitor for pickling stainless steel precision parts.

The invention relates to a steel (carbon steel) seawater corrosion inhibitor, in particular to a carboxymethyl chitosan oligosaccharide schiff base organic carbon steel seawater corrosion inhibitor and application thereof. The corrosion inhibitor comprises components of one or two of highly water soluble carboxymethyl chitosan oligosaccharide schiff base, disodium hydrogen phosphate and mixture of highly water soluble carboxymethyl chitosan oligosaccharide schiff base and disodium hydrogen phosphate. The corrosion inhibitor in the invention can effectively prevent seawater from corroding carbon steel and has the greatest advantages of small used amount, high corrosion inhibition efficiency and long acting time. The product in the invention is an 'environmentally-friendly' green corrosion inhibitor, has a wide source range and has a promising market prospect and a high application value.

The invention relates to a corrosion inhibitor production technical field, in particular to a thiourea-based carbon steel restrainer for avoiding unnecessary corrosion and acid liquor waste in the acid washing process of the carbon steel and manufactures and an application thereof. The corrosion inhibitor which is a compound or combination of the thiourea-based compounds uses the cleaning liquid added with the corrosion inhibitor to submerge and clean the carbon steel, wherein the cleaning liquid is the acid washing liquor of which the concentration is 0.1mol / L to 1mol / L, each liter of acid liquor is added with 0.001g to 2.0g of the corrosion inhibitor and submerges the carbon steel for 0.5 to 4 hours at room temperature. The components of the corrosion inhibitor of the invention are the thiourea-based compounds which have the advantages of non-toxicity, harmlessness, easy synthesis and easily bought and low priced raw materials; moreover, when the surfaces of the carbon steel and manufactures thereof are cleaned by the corrosion inhibitor of the invention, the excessive etching of the base metal and the excessive consumption of the acid liquor during the acid washing process are avoided, thereby the invention has the advantages of low use level, high efficiency and strong sustained action capability.

The invention relates to a pickling inhibitor for steels, in particular to a triazole compound pickling inhibitor for steels and its application, which comprises one or more than one combination from 1-(4, 5-dihydro-3-(4-fluorobenzene pyrazol)-1-group)-2-(1 hydro-1, 2, 4-triazole-1-group) ethyl ketone, 1-(4, 5-dihydro-3-(4-chlorophenyl pyrazol)-1-group)-2-(1 hydro-1, 2, 4- triazole-1-group) ethylketone, 1-(4, 5-dihydro-3-(2, 4-dichlorophenyl pyrazol)-1-group)-2-(1 hydro-1, 2, 4-triazole-1-group)ethyl ketone, 1-(4, 5-dihydro-3-phenyl pyrazol-1-group)-2-(1 hydro-1, 2, 4-triazole-1-group). The inhibitor of the invention is able to prevent over etching of substrate metal and over consumption of acid solution during the pickling, which has low consumption, high efficiency and strong continuous action, easy synthesization, no harm and toxicity, and complies with the development tend of inhibitor, therefore, has good application prospect.

The invention relates to a steel (carbon steel) restrainer, in particular to a benzoic acid heterocyclic carbon steel restrainer used for preventing carbon steel materials and products thereof from corrosion during the acid cleaning and reducing the excessive consumption of acid liquor and application thereof. The effectively ingredient of the restrainer is one or the combination of two of 3, 5-methyl benzoic acid-1, 2, 4-triazole-1-monmethyl ester and 4-benzoic acid-1, 2, 4-triazole-1-monmethyl ester. The restrainer can effectively prevent the carbon steel from being corroded by acid during the acid cleaning and has the remarkable advantages of low consumption, high inhibition efficiency and stable inhibition property. The product has no pollution to the environment and has wide market prospect.

The invention discloses a cleaning agent with nicotinic acid as its component and its application. The component is nicotinic acid, also known as nicotinic acid and vitamin B3. Its application is: use dilute hydrochloric acid or dilute sulfuric acid with a concentration of 0.10-1.0mol / L as the cleaning solution, add the cleaning agent in an amount of 0.010g / l-2.0g / l, and at room temperature, the hot-dip plating to be cleaned Zinc, zinc-aluminum alloy or aluminum-zinc alloy coated steel, immersion cleaning for 15 minutes to 3 hours. The invention has the outstanding advantages of low price, low dosage, high efficiency and strong continuous action ability. The cleaning agent of the invention is a water-soluble vitamin, which is non-toxic and harmless to the environment and organisms, conforms to the development trend of cleaning agents, and has good application prospects.