49results about How to "Play a role in stripping" patented technology

The invention discloses a method for preparing unsaturated carboxylic zinc salt functionalized graphene. The preparation method comprises the following steps of: performing solid phase ball milling on graphite to obtain a multi-layer nano graphene flake, namely a multi-layer graphite powder body, ultrasonically dispersing the multi-layer graphite powder body into an organic polar solvent to obtain suspension liquid of graphene, performing uniform ultrasonic mixing on the suspension liquid of graphene and an aqueous solution of metallic chlorate, intercalation-adsorbing metallic salt ions between the graphene flake layers under the ultrasonic physical action, adding the mixture of unsaturated carboxylic acid and sodium hydroxide, uniformly stirring the mixture, removing the solvents by rotary evaporation in the constant temperature oil bath at the temperature of between 90 and 120 DEG C, and thus obtaining the unsaturated carboxylic zinc salt functionalized graphene. According to the preparation method provided by the invention, the graphite is subjected to solid phase ball milling by adding a ball milling aid, and under the action of high-energy mechanical force, the van der waals force and the covalent bond acting force between the graphene atom flake layers are overcome, so that not only the dispersibility of graphene is improved, but also the potential application range of graphene is further widened on the premise of no influence on the performance of graphene.

The invention discloses a process and a system for treating ethylene tar. According to the process, preheated ethylene tar contacts a coking reaction effluent from a delayed coking reaction system ina pretreatment reactor, and a light component and a heavy component are obtained after separation; the heavy component enters the delayed coking reaction system, and the generated coking reaction effluent enters the pretreatment reactor; the light component and hydrogen enter a hydrogenation reaction system, and the reaction effluent is separated to obtain gas, gasoline distillate, diesel oil distillate and heavy oil distillate; and the heavy oil distillate enters a catalytic cracking reaction system, and the catalytic diesel oil obtained after separation enters the pretreatment reaction. Thetreatment system comprises the pretreatment reactor, the coking reaction system, the hydrogenation reaction system, and the catalytic cracking reaction system. With the process and the system of the present invention, the stable long-cycle operation of the whole treatment system can be ensured, and the yield of the light oil product is high.

The invention relates to a cleaning agent for heat cleaning of wellhole. The cleaning agent comprises the following components, by weight: 10-30 parts of Ninol, 1-10 parts of a penetrating agent JFC, 1-5 parts of a demulsifier AE8031, 10-30 parts of ethylene glycol monobutyl ether; 5-15 parts of HEDTA and 30-50 parts of water. The preparation method comprises the steps of: (1) dissolving HEDTA in water, and stirring until complete dissolving; and (2) adding ethylene glycol monobutyl ether into the solution from the step (1), stirring evenly, successively adding Ninol, penetrating agent JFC and demulsifier AE8031, and stirring evenly to obtain a finished product. The components of Ninol, penetrating agent JFC, demulsifier AE8031 and ethylene glycol monobutyl ether in the cleaning agent are all surfactants; HEDTA has descaling and scale inhibition function, so that the cleaning agent provided by the invention has the functions of surface activity, descaling and scale inhibition, and is suitable for cleaning of oil tubes in heavy oil heavy oil fields, and also has the function of environmental protection.

The invention discloses a preparation method of a shell-like structure cellulose nanofiber / black phosphorene composite film. The method comprises the following steps: obtaining stably existing cellulose nanofiber / black phosphorene dispersion by virtue of hydrogen bond interaction, and forming the layered cellulose nanofiber / black phosphorene composite film in a self-assembly manner. According to the preparation method disclosed by the invention, the cellulose nanofiber serves as a construction module of a black phosphorene nano-composite film, self-assembly is performed by adopting a vacuum suction filtration method, and the shell-like structure layered composite film having excellent mechanical property and fireproof performance. The cellulose nanofiber / black phosphorene composite film prepared by the invention has an ordered 'brick-mud' layered structure, is excellent in mechanical property, additionally has excellent biocompatibility, and can be applied to the fields of tissue engineering, biological medicines and the like.

The invention discloses a treating method and device for carbon dioxide and hydrogen sulfide containing gas. The device comprises a hydration reactor, a hydrate decomposing device, an exhaust gas treating device, a first-stage absorbing reactor, a second-stage absorbing reactor and a product tank. The invention further provides a method for treating the carbon dioxide and hydrogen sulfide containing gas through the abovementioned device. With the adoption of the device and the method, NaHS products meeting national quality standard can be produced while acidic gas standardized discharging is realized; the environment treatment and the production process of chemical products are integrated. Compared with the prior art, the method has the advantages that the carbon dioxide and hydrogen sulfide containing gas can be economically and efficiently pretreated; the energy in the technical process can be reasonably utilized, so that the energy consumption is extremely decreased; the whole treatment process is environmentally friendly, reliable, and free of three wastes.

The invention discloses a surrounding type blowing dust removal device. The surrounding type blowing dust removal device comprises a blowing gas delivery pipe, a control valve, a rotating joint and a blowing pipe, wherein a plurality of nozzles are arranged on the blowing pipe; the control valve is arranged at the lower part of a filter element of a dust collector through the rotating joint. The heat-expansion and cold-contraction characteristic of metal is utilized, dusty gas is taken as gas for dust removal, and gas back spraying rotation is adopted, so that dust removing is well realized, the cost is low, the equipment is safe and reliable and long in operation cycle, the dust removal efficiency of the filter element is improved by more than 5%, and the operating cost is reduced by 10%; the surrounding type blowing dust removal device has excellent economic benefit, develops a new way in the aspect of dust removal for the filter element, and has excellent popularization and application value.

The invention provides a preparation method for graphene. With the preparation method provided by the invention, van der Waals(vdW) forces of graphite interlayers are preliminarily weakened through a manner of optical wave cracking treatment by illumination; a stripping agent capable of inserting into the graphite interlayers through molecules combines with thin-layer graphite, so a stripping effect on graphite is exerted; bonding forces of the graphite interlayers are weakened again through manners of bubble expansion and explosion, so the link among layers of the graphite is broken, and a mixture of the graphite, the graphene and the stripping agent can be obtained; and after the stripping agent is removed through a manner of separation, the graphene is extracted from a mixture of the graphite and the graphene through a manner of extraction, so preparation of the graphene is completed. The preparation method provided by the invention has the advantages of simple process, high preparation efficiency, high graphene purity, and environment-friendly and pollution-free preparation process.

The invention relates to the technical field of cleaners and discloses a multi-effect carbon hydrogen cleaner capable of replacing waterborne cleaning and a preparation method thereof. The multi-effect carbon hydrogen cleaner comprises, by weight, 10-20% of special-type surfactant, 01-0.5% of antioxidant, 5-10% of demulsifier and 69.5-84.90% of carbon hydrogen solvent. Adopted raw materials are cosmetic-grade, low-smell to odorless, almost free of aromatic hydrocarbon and sulfur, thereby being harmless to human body, easy in biodegradation and free of residual sense, thereby being harmless tohuman and marine organisms. The cleaner does not contain conventional alcohol-ether compounds, can clean oily stains and can also clean waterborne stains like water, cutting liquid, saponification liquid, waterborne grinding liquid, waterborne polishing liquid, waterborne punching and stretching liquid and waterborne cleaning liquid on workpieces; the cleaner can be distilled and recycled and is emission-free, low in comprehensive cost and supportive of large-scale production.

The invention provides a special pickling cleaning agent for reverse osmosis and a preparation method thereof, and the special pickling cleaning agent for reverse osmosis is mainly prepared from the following raw materials in parts by mass: 30-50 parts of organic acid, 3-5 parts of bactericide, 3-6 parts of complexing agent, 5-12 parts of inorganic salt, 1-4 parts of surfactant and a proper amountof water. The special pickling cleaning agent for reverse osmosis ensures that carbonate dirt possibly existing on the surface of a membrane element and dirt blockage caused by most metal oxides arecleaned through chemical reaction under the condition that the pH value is 2-3; according to the special pickling cleaning agent for reverse osmosis, water flows through the membrane to physically wash dirt on the surface of the membrane, a stripping effect is achieved, after the cleaning agent is used for cleaning, the operation flux and the pressure difference of the reverse osmosis membrane canbe basically recovered to the level before pollution, the stability is good, and it can be guaranteed that the membrane assembly cannot be polluted after long-time operation after cleaning.

The invention relates to a preparation method of graphene. The preparation method of the graphene comprises the steps of preliminarily weakening Van der Waals' force between graphitic layers through cracking treatment; then combining a stripping agent with molecules capable of being inserted between the graphitic layers and thin-layer graphite so as to play a role in stripping the graphite; re-weakening binding force between the graphitic layers through a bubble expanding and exploding way, so as to disconnect the graphitic layers, thus obtaining a mixture of the graphite, the graphene and the stripping agent; finally removing the stripping agent through a separating way, and extracting the graphene from a mixture of the graphite and the graphene through an extraction way, thus accomplishing the preparation of the graphene. The preparation method of the graphene has the advantages of simple process, high preparation efficiency, high purity of the graphene, environment friendliness during a preparation process is achieved, and pollution is not caused.

A method for preparing graphene, which initially weakens the van der Waals force between graphite layers by means of laser cracking treatment, and then combines with the thin layer of graphite through a release agent whose molecules can be inserted between the graphite layers, and plays a role in exfoliating the graphite. , and then through the expansion and explosion of the bubbles, the bonding force between the graphite layers is weakened again to break the connection between the graphite layers, so that the mixture of graphite, graphene and exfoliating agent can be obtained, and finally the exfoliation is carried out by means of separation. After the agent is removed, graphene is extracted from the mixture of graphite and graphene by extraction, and the preparation of graphene is completed. The process is simple, the preparation efficiency is high, and the graphene purity is high. The preparation process is environmentally friendly and does not produce pollution.

The invention discloses areca taro digging equipment with a soil stripping function. The areca taro digging equipment comprises a connecting frame, wherein transmission shafts are uniformly and rotationally connected to the inner wall of the connecting frame, a driving motor is mounted on one side of the connecting frame, adjusting plates are rotationally connected to the two sides of the connecting frame, a rotating shaft is rotationally connected to the interiors of the two adjusting plates, wheels are fixedly connected to the two ends of the rotating shaft, a stepping motor is fixedly mounted on the rotating shaft, shovel blocks are evenly welded to one side of the connecting frame, two fixing plates are fixedly connected to the top end of the connecting frame, a threaded rod is inserted into the two fixing plates in a penetrating mode, a water tank is connected to the surface of the threaded rod in a threaded mode, the top end of the water tank communicates with a water inlet, and one side of the water tank communicates with a flow guide pipe. By pulling a limiting rod, the limiting rod slides out of a sliding plate, and at the moment, the sliding plate slides in a fixing block due to gravity, so that a baffle blocks an accommodating groove.

The invention discloses a method for preparing unsaturated carboxylic zinc salt functionalized graphene. The preparation method comprises the following steps of: performing solid phase ball milling on graphite to obtain a multi-layer nano graphene flake, namely a multi-layer graphite powder body, ultrasonically dispersing the multi-layer graphite powder body into an organic polar solvent to obtain suspension liquid of graphene, performing uniform ultrasonic mixing on the suspension liquid of graphene and an aqueous solution of metallic chlorate, intercalation-adsorbing metallic salt ions between the graphene flake layers under the ultrasonic physical action, adding the mixture of unsaturated carboxylic acid and sodium hydroxide, uniformly stirring the mixture, removing the solvents by rotary evaporation in the constant temperature oil bath at the temperature of between 90 and 120 DEG C, and thus obtaining the unsaturated carboxylic zinc salt functionalized graphene. According to the preparation method provided by the invention, the graphite is subjected to solid phase ball milling by adding a ball milling aid, and under the action of high-energy mechanical force, the van der waals force and the covalent bond acting force between the graphene atom flake layers are overcome, so that not only the dispersibility of graphene is improved, but also the potential application range of graphene is further widened on the premise of no influence on the performance of graphene.

The invention discloses a treatment method and device for gas containing carbon dioxide and hydrogen sulfide. The device includes a hydration reactor, a hydrate decomposer, a gas exhaust processor, a primary absorption reactor, a secondary absorption reactor and a product tank . Also provided is a method for treating gas containing carbon dioxide and hydrogen sulfide by using the above device. It can produce NaHS products that meet the national quality standards while achieving acid gas discharge standards, and organically combine environmental governance with the production process of chemical products into an integrated process. Compared with the prior art, the method of the present invention can economically and efficiently pretreat the gas containing carbon dioxide and hydrogen sulfide, rationally utilize the energy in the process, and greatly reduce energy consumption; the whole process is environmentally friendly, reliable, No "three wastes" are generated.

The invention discloses a combined treatment process and a system for acid gas. According to the combined treatment process and the system, NaHS products meeting national quality standards can be produced while up-to-standard discharge of the acid gas is realized; environmental improvement is organically combined with the production process of a chemical product. Compared with the prior art, the process and the system disclosed by the invention have the advantages that the acid gases containing CO2 and hydrogen sulfide can be economically and efficiently pretreated, energy in the technologicalprocess is reasonably utilized and energy consumption is greatly reduced; the whole treatment process is environmentally friendly and reliable and no three wastes are produced.

The invention discloses a method for preparing graphene based on an extraction purification technique. The method comprises the steps: the Van der Waals force between graphitic layers is primarily weakened by using cracking treatment; a stripping agent of which molecules can be inserted into the graphitic layers is bonded with straticulate graphite so as to play a role in stripping the graphite; the binding force between the graphitic layers is further weakened by a bubble expansion and explosion mode, so as to break the connection between graphitic layers, thus a mixture of graphite, graphene and the stripping agent is obtained, finally, the stripping agent is removed in a separation mode, the graphene is extracted from the mixture of graphite and graphene in a chemical extraction mode, and thus the graphene is prepared. The process is simple, the preparation efficiency is high, the purity of the graphite is high, the preparation process is environmentally friendly, and no pollution is generated.

The invention relates to the technical field of water treatment, and discloses a high-concentration brine evaporative crystallization device and method. The device comprises an evaporator, a phase separator, a crystal separator and a circulating pump; the evaporator comprises an evaporator shell, an upper tube plate, a lower tube plate and a plurality of hollow heat exchange tubes; the upper tubeplate, the lower tube plate and the hollow heat exchange tubes are arranged in the evaporator shell, and the evaporator shell is divided into a first cavity, a second cavity and a third cavity throughthe upper tube plate and the lower tube plate; the plurality of heat exchange tubes are arranged in the first cavity at intervals, a steam channel is formed by the plurality of heat exchange tubes and the evaporator shell, and the plurality of heat exchange tubes penetrate through the upper tube plate and extend into the second cavity by a preset height; the phase separator is communicated with the second chamber; the crystal separator is communicated with the phase separator; and an inlet of the circulating pump is respectively communicated with a strong brine inlet and a liquid outlet of the crystal separator. According to the high-concentration brine evaporative crystallization device and method, organic matter can be removed in evaporative crystallization, the blockage risk is reduced, and normal crystallization is guaranteed.

The invention discloses a front wing plate support assembly mold. The front wing plate support assembly mold comprises a lower mold core and an upper pressing plate. The lower mold core is provided with a first lower plane and a second lower plane which have the height fall, the first lower plane is provided with a first male die sleeve and a second male die sleeve; the second lower plane is provided with a third male die sleeve and a fourth male die sleeve; the upper pressing plate is provided with a first upper plane and a second upper plane, wherein the fall between the first upper plane and the second upper plane is matched with that between the first lower plane and the second lower plane; the first upper plane is provided with a first through hole and a second through hole allowing a punch to penetrate, the second upper plane is provided with a third through hole and a fourth through hole allowing the punch to penetrate; when the lower mold core and the upper pressing plate are buckled, the first through hole, the second through hole, the third through hole and the fourth through hole coincide with the axis of the first male die sleeve, the axis of the second male die sleeve, the axis of the third male die sleeve and the axis of the fourth male die sleeve. Multiple fixing holes can be punched at the same time through the mold, production efficiency is improved, one-time punching is achieved, and the size precision between the holes is ensured.

The invention discloses a sterilization and synergy stripping agent for circulating water treatment. The sterilization and synergy stripping agent is prepared from the following components in percentage by weight: 5-15% of sodium bromide, 5-25% of alkylphenol polyoxyethylene, 2-10% of polyethylene glycol and 50-80% of water; large alkylphenol in the alkylphenol polyoxyethylene is alkylphenol with9-12 pieces of carbon, the mole number of ethylene oxide in the alkylphenol polyoxyethylene is 3-15, and the alkylphenol polyoxyethylene is selected from one or more components of octaphenyl polyoxyethyiene, nonylphenol polyoxyethylene ether and alkyl-polyoxyethylene; and the theoretical relative molecular mass of the polyethylene glycol is 200-800, and the polyethyl glycol is selected from one ormore components of polyethyl glycol 200, polyethyl glycol 400, polyethyl glycol 600 and polyglycol 800. According to the sterilization and synergy stripping agent for circulating water treatment, thesterilization effect of a chlorine-system oxidized sterilizing agent can be effectively enhanced, and the sterilization and synergy stripping agent permeates into slime to achieve the effect of stripping the slime.

The present invention provides a cosmetic product for removing acne, freckles and whitening and a preparation method thereof, which is mainly composed of Chinese medicine ingredients, fruit ingredients and a hydrogel matrix, and the hydrogel matrix accounts for 3-25% by weight of the total mass of the Chinese medicine ingredients and the fruit ingredients; The traditional Chinese medicine ingredients are composed of Angelica dahurica, Angelica, Puhuang, honeysuckle, peach kernel, Chuanxiong, Danshen, pearl powder, persimmon leaves, licorice and aloe vera, and the fruit ingredients are composed of banana, watermelon and kiwi. Preparation method: 1) Weighing Angelica dahurica, Angelica, Puhuang, Honeysuckle and peach kernel to extract volatile oil; 2) Soak the fruit components in 75% ethanol after crushing, and then centrifugally filter to obtain the fruit filtrate; 3) Weigh the rest except pearl powder The traditional Chinese medicine ingredients are decocted, concentrated, alcohol-precipitated, and the solvent is recovered together with the medicinal residue after collecting the volatile oil and the fruit filtrate to obtain the Chinese medicine liquid extract; 4) The volatile oil, the extract and other components are mixed and emulsified evenly to obtain a paste. The beauty product not only has the effects of removing acne and freckles, but also can whiten skin.

The invention discloses a treatment method and a device for acid gas. The device comprises a hydration reactor, a hydrate neutralizing device, a first-stage absorption reactor, a second-stage absorption reactor and a product tank. The invention also provides a method for treating the acid gas by adopting the device. According to the treatment method and the device, NaHS products meeting national quality standards can be produced while up-to-standard discharge of the acid gas is realized; environmental improvement is organically combined with the production process of a chemical product. Compared with the prior art, the method disclosed by the invention has the advantages that the acid gases containing CO2 and hydrogen sulfide can be economically and efficiently pretreated, energy in the technological process is reasonably utilized and energy consumption is greatly reduced; the whole treatment process is environmentally friendly and reliable and no three wastes are produced.

The present invention discloses an edge peeling carrier used for a stenter setting machine. Dentate saliencies (2) in an inclined arrangement are arranged on the surface of a flat plate (1), and the dentate saliencies (2) are arranged at intervals. Because the inclined dentate saliencies are arranged on the flat plate in the present invention, the dentate saliencies are arranged at intervals, when cloth material passes through the present invention, the cloth material moves forward along a guide rail, the inclined dentate saliencies of the present invention perform a peeling off function, andthe rolled selvedge of the cloth material is uncurled, thus the cotton material waste is avoided, and the operating performance is improved.

The invention discloses a treating technology and system for hydrogen sulfide and dioxide carbon containing acidic gas. With the adoption of the technology and the system, NaHS products meeting national quality standard can be produced while acidic gas standardized discharging is realized; the environment treatment and the production process of chemical products are integrated. Compared with the prior art, the CO2 gas and hydrogen sulfide containing acidic gas can be economically and efficiently pretreated; the energy in the technical process can be reasonably utilized, so that the energy consumption is extremely decreased; the whole treatment process is environmentally friendly, reliable, and free of three wastes.

The invention discloses an ethylene tar treatment process, which comprises that preheated ethylene tar contacts a coking reaction effluent from a delayed coking reaction system in a pretreatment reactor, and a light component and a heavy component are obtained after separation; the heavy component and delayed coking raw material oil enter the delayed coking reaction system, and the generated coking reaction effluent enters the pretreatment reactor; the light component and hydrogen enter a hydrogenation reaction system, and the reaction effluent is separated to obtain gas, gasoline distillate,diesel oil distillate and heavy oil distillate; and the heavy oil distillate enters a catalytic cracking reaction system, and the catalytic diesel oil obtained after separation enters the pretreatmentreaction. With the process the present invention, the stable long-cycle operation of the whole treatment system can be ensured, and the yield of the light oil product is high.

The invention provides a device for preparing graphene. The device comprises a screening mechanism, a first reaction kettle, a stirring mechanism, a second reaction kettle, a bubble generating mechanism, an ultrasonic blasting mechanism, a centrifugal dehydrating mechanism, a first drying mechanism, a sintering mechanism, a third reaction kettle, a fourth reaction kettle, a second drying mechanism and a third drying mechanism. The Vander Wale force between graphite layers is primarily weakened through cracking treatment, and a stripping agent which can be inserted between the graphite layers through molecules is combined with graphite of a thin layer and the stripping effect on the graphite is realized; the bonding force between the graphite layers is weakened again through a bubble expansion and blasting manner, so as to disconnect a relation between the graphite layers, so that a mixture of the graphite, the graphene and the stripping agent is obtained; finally, after the stripping agent is removed through a separation manner and the graphene is extracted from the mixture of the graphite and the graphene through an extraction manner, so that the preparation of the graphene is finished; the device is simple in procedures and high in preparation efficiency, is environmentally friendly and has no pollution.

The invention provides a method and device for treating acid gas. The device can produce NaHS products meeting national quality standards while realizing up-to-standard discharge of the acid gas, andorganically integrates environmental governance and the production process of chemical products into an integrated process. Compared with the prior art, the method has the advantages that the acid containing CO2 gas and hydrogen sulfide gas can be economically and efficiently pretreated, energy during a technical process is reasonably utilized, energy consumption is greatly reduced, and the wholetreatment process is environmentally friendly, reliable, and free from production of three wastes.

The invention relates to a device and method for separating aldehydes and catalysts in olefin hydroformylation to aldehydes. The separation device includes a falling film evaporator, a collection separator, a separation pressurization device and a pressurization removal device; The discharge port of the film evaporator is connected with the feed port of the collection separator; the liquid discharge port of the collection separator is connected with the feed port of the pressurized impurity removal device; the collection separator The gas outlet is connected to the air inlet of the separation and pressurization device; at least one of the falling film evaporator, collecting separator or separation and pressurization device is provided with an inlet for the tail gas of olefin hydroformylation to aldehyde. The device provided by the invention can effectively improve the separation effect of the separation system and improve the hydroformylation in the separation process by using the tail gas of the hydroformylation reaction as a stripping gas or / and participating in the separation of the hydroformylation reaction product-catalyst with the recycle gas Catalyst and aldehyde loss.

The invention discloses a combined treatment process and a system for acid gas. According to the combined treatment process and the system, NaHS products meeting national quality standards can be produced while up-to-standard discharge of the acid gas is realized; environmental improvement is organically combined with the production process of a chemical product. Compared with the prior art, the process and the system disclosed by the invention have the advantages that the acid gases containing CO2 and hydrogen sulfide can be economically and efficiently pretreated, energy in the technologicalprocess is reasonably utilized and energy consumption is greatly reduced; the whole treatment process is environmentally friendly and reliable and no three wastes are produced.

The invention discloses a method and a system for treating ethylene tar. According to the method, preheated ethylene tar contacts a coking reaction effluent from a delayed coking reaction system in apretreatment reactor, and a light component and a heavy component are obtained after separation; the obtained heavy component enters the delayed coking reaction system, and the generated coking reaction effluent enters the pretreatment reactor; and the light component and hydrogen enter a hydrogenation reaction system, and the reaction effluent is separated to obtain gas, gasoline distillate, diesel oil distillate and heavy oil distillate. The treatment system comprises the pretreatment reactor, the coking reaction system, and the hydrogenation reaction system. With the method and the system of the present invention, the stable long-cycle operation of the whole treatment system can be ensured, and the yield of the light oil product is high.