26results about How to "Simple operation process" patented technology

The utility model discloses a new type of plugging device of mine anchor cable, including base, the middle part of base is equipped with steel strand channel, the upper end part grouting pipe in steel strand channel, the outer sleeve of grouting pipe is equipped with the plugging pipe, and is equipped with the clearance channel for the slurry through between the outer wall of grouting pipe and the inner wall of plugging pipe, and the upper end part of plugging pipe is provided with the sealing ring outward, the inner wall of sealing ring is equipped with a section of inner recess cavity, and the inner recess cavity and plugging pipe constitute the plugging chamber between, the lower end part of base is equipped with the grouting channel that communicates with steel strand channel, and the upper end part of grouting channel is equipped with one -way channel, and the lower end end portion in steel strand channel is installed with the plugging sealing ring. The utility model has the comprehensive technology of grouting and plugging function, installs with the grouting function together with anchor cable under the condition of not changing the structural property of anchor cable, can reduce cost and has higher economic value, the modelling is exquisite, and the operation process is simplified, and the labor intensity of operating personnel is reduced.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

The application belongs to the cross field of nanomaterials and coordination chemistry, and specifically discloses a near-infrared responsive photothermal silver-palladium nanocluster material, a preparation method and application in near-infrared photothermal conversion. 362 H 270 Ag 20 Cl4F 12 P8Pd5Sb2, which is abbreviated as Ag 20 Pd5(4‑EBP) 18 (DPPP)4(SbF6)2·2CH2Cl2, belongs to a monoclinic system, and a space group is P21 / n, a =16.228(13)Å, b =40.670(3)Å, c =25.941(2)Å, α=90°, β =100.283(2)°, gamma =90°, V=16846(2)Å 3 , and a molecular weight is 8170.22 Da. The preparation method has short process flow, simple operation, and raw materials are easy to obtain. The photothermal silver-palladium nanocluster has a high photothermal efficiency of 73.25% under 915 nm (0.6 W / cm 2 ) laser excitation, and has good application prospect.

This invention relates to the field of water pollution control technology and discloses the preparation and application of modified chitosan adsorption balls. The invention involves grafting modified nano-micron high-purity composite active iron onto chitosan, then mixing it with dried and crushed sludge. The modified nano-micron high-purity composite active iron is then reacted with the chitosan to modify it. First, the surface of the nano-micron high-purity composite active iron is made to have active functional groups, and then it reacts with chitosan. At this point, the chitosan also has a dispersing effect, resulting in better performance and achieving a synergistic effect of dual phosphorus removal. This invention has low cost, simple operation, and good economic benefits.

The utility model relates to a cylinder cover valve spring disassembling and assembling tool which comprises a main body, a spring disassembling and assembling through hole and a positioning through hole. The main body is of a disc-shaped structure; a plurality of spring dismounting through holes are formed in the positions, corresponding to cylinder cover valve springs, of the body in a penetrating mode. The inner diameter of the spring dismounting through hole is smaller than the diameter of the cylinder cover valve spring; the inner diameter of the spring dismounting through hole is larger than the outer diameter of the first cylinder structure penetrating through the cylinder cover valve spring. The positioning through hole is formed in the central axis of the main body in a penetrating manner; one end of the positioning through hole is provided with a protruding structure which protrudes outwards and is hollowed out in the center. A first through hole through which a bolt passes is formed in the center of the convex structure; the positioning through hole is provided with two second through holes extending outwards in the 0-degree direction and the 180-degree direction respectively along the center. The cross section of the second through hole is rectangular, an arc top is arranged at the outer end of the rectangle, and the second through hole is used for fixing the disassembling and assembling tool into a corresponding bolt hole of the cylinder cover. According to the utility model, the operation process is simplified, the maintenance time of the engine is reduced, and the maintenance cost is saved.

The application discloses a kind of hole transport layer precursor materials and its application in preparation narrow band gap perovskite photovoltaic cell, it is related to solar cell technical field.The hole transport layer precursor material provided by the present application is prepared by dispersing indium tin oxide nanoparticles in first mixed solvent;The first mixed solvent is the mixed solution of isopropyl alcohol and chlorobenzene ring derivative;The general formula of the chlorobenzene ring derivative is C n H 2n‑6‑x Cl x , n is the integer ≥6, X is ≥1 integer.The application also provides the application of hole transport layer precursor material in preparation narrow band gap perovskite photovoltaic cell and full perovskite laminated cell, can effectively improve the efficiency and stability of perovskite photovoltaic cell device, can be prepared with the band gap of 1.25 eV p-i-n type narrow band gap perovskite device, applied in full perovskite laminated cell can significantly improve cell efficiency;Photovoltaic cell is prepared by solution method low temperature, simple operation process, low cost, suitable for industrial production.

This invention relates to a method for preparing a hydrophobic island-type fiber nonwoven fabric for efficient oil absorption. The invention pretreats the island-type fiber nonwoven fabric with an aqueous sodium hydroxide solution, opening the fibers and removing impurities from the fabric surface. The polypyrrole particles loaded on the surface of the island-type fiber nonwoven fabric endow it with excellent photothermal conversion properties, enabling in-situ heating of high-viscosity oils and improving its adsorption performance. The polydimethylsiloxane coating gives the island-type fiber nonwoven fabric good hydrophobic and oleophilic properties, allowing it to selectively adsorb oils in complex environments and effectively adsorb different types of oils. Under light irradiation, the island-type fiber nonwoven fabric can in-situ heat crude oil, reducing its viscosity and achieving rapid adsorption. The selected polypyrrole preparation process is mature, and polydimethylsiloxane has good hydrophobic properties and is fluorine-free. This invention provides an effective and environmentally friendly solution to the problem of oil adsorption and recovery.

The application provides a method for preparing a scale inhibitor based on an olefin functional polymer, and the method comprises the following steps: passing low-carbon olefins into a reactor, then increasing the temperature and pressure, and then adding a functional monomer, an initiator and a solvent into the reactor to generate a polymerization reaction; after the polymerization reaction, first performing gas-solid-liquid separation to recover the low-carbon olefins, and then performing solid-liquid separation on the remaining material to obtain an olefin functional polymer; performing an esterification reaction on the olefin functional polymer and an alcohol, and then performing a reaction on the obtained esterified olefin functional polymer and a quaternary ammonium salt, a base or an acid to obtain a cationic or anionic polymer scale inhibitor. Through the pressurized reaction of low-carbon gaseous olefins and a functional monomer, the application realizes the same-chain alternating copolymerization of the two, adopts a heterogeneous polymerization mode, improves the monomer concentration and the reaction efficiency, and then prepares different kinds of polymer scale inhibitors through esterification and anionization or cationization, so that the polymer scale inhibitors have good thermal stability and excellent water treatment performance; the application has the advantages of simple operation, mild conditions, easy separation and purification and green environmental protection.

The utility model discloses a prefabricated ecological crown beam which comprises a front vertical plate, a rear vertical plate is arranged on the rear side of the front vertical plate, and the front vertical plate and the rear vertical plate are arranged in a front-back mirror image mode. A cross beam is arranged between the front vertical plate and the rear vertical plate, and the front vertical plate, the rear vertical plate and the cross beam are connected through connecting bolts; the integral structure of the crown beam is split into single components of the plate and the beam, so that a mold structure is very simple during production, and the manufacturing cost of the mold is very low; the crown beam can be split into single components, so that the crown beam can be split in the production process, and after the crown beam is split into the single components for production, the operation process becomes simpler, and the production efficiency becomes higher; in addition, the storage space of the single assemblies is reduced, the storage capacity of the same area is increased, and the site occupation cost is reduced.

According to the hydraulic puncher used for the coiled tubing and used for drilling in the casing pipe, the puncher is connected through the coiled tubing, then fluid is pumped through the ground, the two-stage piston is pushed under the action of fluid pressure, the two-stage piston drives the sliding groove core shaft, and the method that axial downward thrust is converted into radial force through an inclined T-shaped groove matching structure is adopted; finally, a punching nail on the executing mechanism acts on the inner side of the casing pipe, large extrusion force is obtained through a two-stage piston and transmission of micro-inclination force to complete punching operation on the casing pipe, punching is reliable, the hole shape is attractive, recovery is completed only by lifting a pipe column after punching is completed, and damage to an oil well caused by secondary salvage and punching through a chemical corrosion method is avoided. The device is simple in structure, low in required fluid pressure and flow, simple to operate and capable of completing the punching operation only by pumping the flow on the ground and observing the pumping pressure without connecting a complicated matching tool string. And compared with a traditional method of punching in the sleeve, the operation process is simple, efficiency is high, cost is low, and difficulty is small.

The invention discloses a metal-based isocyanate gold leaching agent and a high-temperature catalytic synthesis method thereof. The high-temperature catalytic synthesis method of the metal-based isocyanate gold leaching agent comprises the following steps: grinding and uniformly mixing a proper amount of cyanate and a metal catalyst to obtain a mixture; carrying out high-temperature roasting on the mixture to obtain a roasted product; and the roasted product is naturally cooled and crushed, and the metal-based isocyanate gold leaching agent is obtained. According to the metal-based isocyanate gold leaching agent and the high-temperature catalytic synthesis method thereof, the synthesis raw materials are simple and easy to obtain, the cost is low, the synthesis process is simple and easy to control, the production efficiency is high, the energy consumption is low, and the metal-based isocyanate gold leaching agent has excellent gold leaching performance; the method can replace sodium cyanide to realize efficient gold leaching under the original cyaniding gold leaching process and equipment.

The application discloses a preparation method of a high-entropy MXene composite diaphragm coating, which comprises the following steps: in the first step, 2g of HE-MAX phase raw material powder is gradually added into a reaction container containing an HF solution to perform a chemical etching reaction, and meanwhile, the sample is magnetically stirred at 55 DEG C for 72 to 96h; in the second step, the obtained HE-MXene suspension is placed into a centrifugal tube, and the precipitate is collected by high-speed centrifugation, and the deionized water and anhydrous ethanol are repeatedly cleaned until the solution is close to neutral; in the third step, the obtained precipitate is vacuum dried at 60 DEG C for 12h to obtain HE-MXene nanosheet powder; in the fourth step, the HE-MXene and two-dimensional layered material powder are weighed according to a weight ratio of 7:3, and after grinding, they are dissolved into deionized water and stirred to prepare an HE-MXene suspension; in the fifth step, after magnetic stirring is used until the mixed state is reached, vacuum filtration is performed; in the sixth step, the obtained HE-MXene / two-dimensional layered material@PP is placed in a vacuum environment and dried at 40 DEG C for 6h, and finally, the modified diaphragm is cut into a disc with a diameter of 18mm.

The application discloses a device for preparing high-purity copper powder and polyaluminum chloride from acid etching waste liquid and an energy-saving co-production process thereof, relates to the technical field of recycling of acid etching waste liquid, and comprises a supporting base, a reaction assembly is arranged on the top of the supporting base, and the reaction assembly comprises a preparation tank body, a sealing cover and an extension rod. In the application, the top of the compression ring is connected with the extension rod and the guide piece, the top of the guide piece is overlapped with the adjusting block through the contact head, the reciprocating movement of the guide rod on the top of the supporting plate can be driven when the cam rotates, the lifting of the guide piece can be driven through the adjusting block, the use height of the compression ring and the guide disc is adjusted, the extrusion of the aluminum sheet is realized, the flow of the waste liquid in and out of the mixing tank is accelerated, the aluminum sheet is stirred through the stirring blade, and the aluminum sheet is fully contacted and reacted with the waste liquid; the filter screen is arranged in the filter box, copper powder in the waste liquid can be quickly separated, copper powder residues in the waste liquid are reduced, and the subsequent centralized recovery of the copper powder is facilitated.

The application discloses a semi-solid thixotropic die casting forming method of a narrow solid-liquid two-phase zone alloy, and comprises the following steps: step one: the narrow solid-liquid two-phase zone alloy is added into a heating device and heated to a superheating temperature, and after complete melting, the alloy is cooled for a certain time to obtain an alloy blank with a cast structure; step two: the alloy blank is added into an extrusion device to complete cold extrusion, and an alloy blank containing high-density dislocations and lattice distortion structures is obtained; step three: the alloy blank is heated for the first time, the heating temperature is set between a recrystallization temperature and a solidus temperature of the alloy, and isothermal heat treatment is carried out to obtain fine and uniform recrystallized grains; step four: the alloy blank is heated for the second time, the temperature is set above the solidus temperature of the narrow solid-liquid two-phase zone alloy, and isothermal heat treatment is carried out to obtain a semi-solid blank; and step five: the semi-solid blank is subjected to die casting forming. The application has the advantages that excellent castings with physical properties are formed.

This invention discloses an integrated fracturing and production tubing string for open-hole horizontal wells and its application method, solving problems such as poor segmentation and sand control effects, and complex operation processes. The device includes a central tubing string and a tool string. The central tubing string includes a top packer, a first sealing cylinder, a quick connector, multiple filling production assemblies, a locking sealing assembly, and a float shoe assembly. Adjacent filling production assemblies are connected via an open-hole packer. Each filling production assembly includes a circulating sleeve, a first double-layer screen, a production sleeve, a second double-layer screen, a second sealing cylinder, a filling sleeve, and a positioning clamp. The tool string includes a top setting tool, a test sealing rod, a reconnection rod, a reconnection tool, a filling control tool, a filling sleeve closing tool, a positioning tool, a filling sleeve switching tool, a circulating sleeve single-closing tool, a circulating sleeve single-opening tool, a positioning sealing rod, and a shearing sleeve. This invention enables effective segmentation, sand control, and selective production in oil wells.

A method for refining a nicorandil intermediate, the reaction system for preparing N-(2-hydroxyethyl)nicotinamide is slowly cooled to 50 DEG C to 60 DEG C, without filtration, aprotic solvent is directly added to the reaction liquid while stirring, the solid separated out in the reaction is stirred and dissolved; wherein, the volume ratio of the aprotic solvent to the reaction system is controlled to be 0.6 to 6:1; the reaction liquid system of the dissolved solution in step 1) is continuously stirred and cooled, when the temperature is cooled to below 40 DEG C, white solid begins to separate out in the solution; then continuous stirring and temperature adjustment is carried out, and the solution is incubated and stirred at 20 to 30 DEG C, and the intermediate N-(2-hydroxyethyl)nicotinamide is obtained after filtration. In the present application, the reaction liquid is crystallized once, the product purity can reach more than 98%, the reaction yield is more than 93%, the operation is simple, the high-temperature distillation process is avoided, the yield is high, the production cost is low, the process is stable, and it is suitable for industrial production.

The invention discloses a method for catalyzing ring-opening repolymerization of a cyclic dimer in a nylon 6 extractable oligomer under mild conditions, which comprises the following steps: mixing cyclic dimer powder with a sulfonic acid catalyst and water to obtain a mixture; heating the mixture to a first reaction temperature, and reacting in an inert gas atmosphere; carrying out vacuum drying on the reacted product; adding water, heating to a second reaction temperature, and carrying out prepolymerization reaction in an inert gas atmosphere; and after the prepolymerization is completed, cooling to a third reaction temperature, and devolatilizing under a vacuum condition to obtain the high molecular weight regenerated nylon 6. By means of the sulfonic acid catalyst, ring opening of the cyclic dimer can be effectively achieved at the low temperature, the use amount of the catalyst is effectively reduced, and the corrosion degree to equipment is relieved. The ring-opening product can be subjected to polymerization reaction to recycle the extractable oligomer of the nylon 6, and the total content of the extractable oligomer in the regenerated nylon 6 slice is effectively controlled.

The application belongs to the technical field of composite phase change materials, and particularly relates to a preparation method of a corn cob / steel slag binary solid waste composite phase change energy storage material, which comprises the following steps: taking corn cob and steel slag as base matrix raw materials, performing carbonization treatment on the corn cob to construct a porous network cross-linked carbon matrix, performing high-temperature calcination treatment on the steel slag to reconstruct crystals, and mixing and co-sintering to form a binary solid waste framework. A phase change material is loaded into the binary solid waste framework through an immersion adsorption method, and finally the corn cob / steel slag binary solid waste composite phase change energy storage material is obtained. The application realizes resource utilization of solid wastes which are widely sourced and low in cost. The porous structure has adsorption performance and heat conduction performance. The solid waste composite phase change energy storage material prepared by the application has excellent heat storage performance and good stability and is not prone to leakage, and has a wide application prospect.

This application relates to the technical field of oil and gas exploration, specifically to a method for separating phenanthrene compounds from a mixed aromatic hydrocarbon solution and its application. The method includes the following steps: molecular sieve pretreatment: extracting undemolded MCM-41 molecular sieves using dichloromethane as a solvent; sample pretreatment: adding crude silica gel to the mixed aromatic hydrocarbon solution, evaporating the solvent to obtain silica gel particles containing mixed aromatic hydrocarbons; column fabrication: sequentially adding the extracted MCM-41 molecular sieve and the silica gel particles containing mixed aromatic hydrocarbons into a chromatography column, compacting the MCM-41 molecular sieve and silica gel particles to obtain the chromatography column; sample separation: adding an organic solvent to the chromatography column to separate the phenanthrene compounds. This application aims to improve the problems of unclear separation effects or catalysis of aromatic hydrocarbon samples when using chromatography to separate phenanthrene compounds from aromatic hydrocarbon samples.

The application discloses a kind of alicyclic epoxy resin and liquid crystal screen black UV edge sealing glue composition containing it and preparation method thereof.The alicyclic epoxy resin is synthesized by the following resin and monomer reaction, and the molar ratio of reaction is controlled as monomer A:resin B=2.01:1, monomer D:monomer A=2:2.01, and the structure of alicyclic epoxy resin is as follows.By adding the synthesized alicyclic epoxy resin and regulating the proportion of each component in the liquid crystal screen edge sealing glue composition, on the one hand, the powder sedimentation problem of the system is solved, the stability of the piezoelectric valve glue is ensured, and the system reaches a certain curing hardness, on the other hand, the UV cation curing speed and the curing depth under the condition of black system are improved.The preparation method provided in the application has simple operation process, raw materials are easy to purchase, and can be produced and prepared on a large scale.

The present application relates to a kind of dry suspension preparations of montelukast sodium, belong to the field of pharmaceutical pharmacy.The dry suspension preparation component is composed of montelukast sodium, carbomer, fumed silica, corn starch, sucrose, cherry powder essence, banana powder essence.By montelukast sodium and carbomer primary coating, again with fumed silica coating, enhanced protective layer, avoid the continued destruction of external light, oxygen, good stability effect is obtained.Through accelerated test, long-term test investigation, appearance, dissolution, content, related substances are superior to prior art.Preparation process uses large particle size solid drug substance, avoids the loss of raw material in preparation process, product preparation process is simple, easy to operate, quality meets the requirements, facilitate commercial production.

The invention discloses a method for improving the cooking quality of brown rice through microwave combined circulating water permeation pretreatment, and belongs to the technical field of food processing. The method comprises the following steps: firstly adjusting the initial moisture of brown rice, then carrying out circulating water permeation treatment and microwave treatment in sequence, controlling the single water spraying amount and the water treatment temperature, humidity and time, then carrying out microwave treatment, and then carrying out multiple times of circulation. Through the synergistic effect of the microwave heat effect and water permeation, on the premise that the cortex is kept intact, uniform gaps and efficient water channels are formed in the interface of the cortex and endosperm, insoluble dietary fibers are promoted to be converted into soluble dietary fibers, the content of resistant starch and slowly digestible starch is increased, the amylose content and the enthalpy value are reduced, and the dietary fiber content is improved. The heat stability of the starch paste is enhanced. The cooking time of the processed brown rice is shortened, the hardness is reduced, the elasticity is improved, and the sensory score reaches 80.47. The method is efficient, green, free of residues and suitable for industrial production.

The application discloses a full-space coverage array wave direction estimation method and equipment, the method comprises the following steps: using a single polarization dipole antenna or a double cone antenna to form a three-layer uniform cylindrical array; using a darkroom to collect measured data to construct a calibration data set; obtaining a to-be-measured vector of an unknown signal; operating the to-be-measured vector and the calibration data set to form a spatial spectrum; finding the position of the strongest energy point in the spatial spectrum to obtain wave direction estimation; finding the double polarization calibration data of the strongest energy direction in the calibration data set; and obtaining polarization information estimation through the corresponding double polarization calibration data and the to-be-measured vector. The application can effectively solve the technical problems of insufficient full-space coverage and slow direction finding speed, improve the full-space coverage and timeliness of radar signal direction finding in a complex electromagnetic environment, and has the advantages of less required antennas, low cost and low operation complexity.

The utility model discloses a new energy battery tray structure which comprises a frame, an upper cover plate and a lower tray, the frame is formed by splicing hollow pipes, the lower tray is arranged at the bottom of the frame, a battery pack is arranged on the inner side of the frame, the upper cover plate is arranged above the battery pack, the upper end of the frame is connected with a first stud in a welded mode, and the lower end of the frame is connected with a second stud in a welded mode. A second stud is connected to the lower end face of the frame in a welded mode, the first stud penetrates through the upper cover plate and is connected with a first nut to lock the upper cover plate to the upper end of the frame, and the second stud penetrates through the lower tray and is in threaded connection with a second nut to lock the lower tray to the frame. The first stud and the second stud are welded through the hollow pipe, and are respectively connected with the upper cover plate and the lower tray through the first stud and the second stud, so that the hollow pipe is prevented from being perforated, riveted and sealed, the sealing performance of the inner cavity of the hollow pipe is guaranteed, the operation process is simplified, and the processing efficiency is improved.

The utility model relates to a device for continuously removing hydrogen fluoride from industrial hydrogen chloride tail gas and belongs to the field of chemical equipment. The device comprises a static mixer, one end of the static mixer is sequentially connected with a gas-liquid separation device, a condenser and a hydrogen chloride gas outlet, and the other end of the static mixer is connected with a Venturi nozzle; the gas-liquid separation device is connected with a liquid circulation loop and a gas circulation loop, the gas circulation loop is provided with a hydrogen chloride gas inlet and is connected with the Venturi nozzle, and the liquid circulation loop is connected with the Venturi nozzle through a circulation pump. The hydrogen fluoride content in the hydrogen chloride tail gas can be reduced to below 5ppm, and the device has the advantages of simplicity in operation and environment friendliness.

The invention belongs to the technical field of functional sugar preparation, and particularly relates to a crystallization method of low-purity psicose. For the psicose feed liquid with low purity (below 95%), the viscosity reducer is added, the viscosity of the product is reduced, then the psicose crystal is prepared in a mode of combining evaporative crystallization, crystal arrangement and cooking crystallization, the prepared product is low in water activity, the water activity is below 0.2, the crystal fluidity is good (the angle of repose is smaller than or equal to 25 degrees), the crystal distribution is concentrated (80-120 meshes), the purity is larger than or equal to 99.5%, and the psicose crystal can be used for preparing the psicose crystal. The crystal has no adhesion phenomenon, the crystal form is regular, and the crystallization yield is high (up to 70%).