32results about How to "Improve quality strength" patented technology

The invention discloses an environment-friendly flame retardant. The flame retardant is prepared by firstly utilizing tetrabutyl ammonium hydroxide and phosphoric acid to peel zirconium phosphate andthen utilizing furfuryl amine to coat zirconium phosphate. The flame retardant can effectively solve the problems that zirconium phosphate is easy to agglomerate and the like, and can play a synergistic flame-retardant role with an intumescent flame-retardant system in a fireproof coating. When the flame retardant is used to prepare an intumescent fire retardant coating, the film-forming property,the fire resistance, the durability and the like of the obtained fire retardant coating can be remarkably improved. The obtained flame retardant integrates flame retardance, smoke suppression and enhancement functions and is low in halogen-free cost, good in char forming property, high in carbon layer strength, environmentally friendly and wide in applicability, and the related preparation methodis simple in process, mild in reaction conditions and suitable for application and popularization.

The invention provides a method for preparing high-strength iron-making coke by using chemical waste. According to the method, pre-grinding, material mixing, pressure granulation, surface spray coating, rolling bonding, drying hardening and high-temperature coking manners are used to prepare the high-strength iron-making coke, especially the high-value reuse of the chemical waste including the coke powder is realized by using the cohesive effect of a liquid phase precipitated by a carbon-contained waste binder on the coke powder in the heating coking process and reduction of burning loss on the surface of a granulation material in the heating process by the coke powder adhered to the surface, the strength and quality of the coke are improved; and the crushing strength M40 of the coke obtained after coking in a high-temperature retorting device is >=91.2%, the abrasion resistance M10 is <=5.5%, and the coke post-reaction strength (CSR) is >=67%, all the above values reach a class I standard for coke for blast furnace ironmaking, and supply of ironmaking blast furnace raw materials is realized.

The invention discloses a novel heating film, which comprises a heating film body, a heating layer, conductive carbon fibers and conductive metal wires, wherein the heating layer is arranged inside the heating film body, conductive coatings and longitudinal tensile fibers are arranged inside the heating layer in an alternating manner, the conductive carbon fibers are fixed inside the conductive coatings, both sides of each of the conductive coatings, the conductive carbon fibers and the longitudinal tensile fibers are fixedly connected with the conductive metal wires, the right end of each conductive metal wire passes through an insulated sealing plug to be connected with a conductive wire in series, the insulated sealing plugs are fixedly connected with the heating film body, the outer wall of the heating layer is coated with a heat resistant layer, the outer wall of the heat resistant layer is adhered with a thermal insulation layer, and a PET insulating film is arranged between the thermal insulation layer and a waterproof protective film. The novel heating film has the advantages of ultrathin thickness, uniform heat radiation, high durability, energy conservation and environmental protection; and the heating film body is fast in temperature rising speed and high in heating temperature through the cooperative use of the conductive coatings and the conductive carbon fibers.

The invention discloses a nano zirconium phosphate-based flame-retardant bacteriostatic agent. The nano zirconium phosphate-based flame-retardant bacteriostatic agent is prepared by performing intercalation stripping on zirconium phosphate and modifying the zirconium phosphate by using aminoimidazole and chloropropionaldehyde, so the problems that the zirconium phosphate is easy to agglomerate and the like are effectively solved, and the nano zirconium phosphate-based flame-retardant bacteriostatic agent can play a synergistic flame-retardant role with an intumescent flame-retardant system in a fireproof coating; the film-forming property, the fire resistance and the durability of the obtained fireproof coating can be obviously improved; and a Schiff base and imidazole loaded on the surface of a nano zirconium phosphate sheet layer can be more uniformly dispersed in coating components to play a role in barrier and bacteriostasis, and the Schiff base, nano zirconium phosphate and imidazole in the flame retardant can effectively improve the bacteriostasis performance of the fireproof coating. The flame retardant integrates the functions of flame retardance, smoke suppression, bacteriostasis and enhancement, and is halogen-free, low in cost, good in char forming property, environmentally friendly and wide in applicability, and the related preparation method is simple in process, simple in reaction condition and suitable for popularization and application.

A striking or musical watch with an acoustic waveguide arrangement. The striking or musical watch (1) includes an at least partially flexible waveguide (2) secured to a fixed part (8) inside the watch to guide the acoustic waves generated by a first portion (2′) of the at least partially flexible waveguide towards a radiating element. The radiating element can include a watch crystal (3) connected to a bezel (5) and a membrane (4) for connecting the bezel to a middle part (6) of a watch case. The flexible waveguide is configured to change the direction of acoustic vibration from the first portion to the radiating element.

The invention discloses a 3D printed zirconium oxide-based false tooth material and a preparation method thereof, and relates to the technical field of medical apparatus and instruments. The 3D printed zirconium oxide-based false tooth material comprises the following components in parts by mass: 50-65 parts of zirconium oxide ceramic powder, 0.8-1.6 parts of a dispersing agent, 4-7 parts of a binding agent, 0.7-2.6 parts of a reinforcing agent, 0.6-1.4 parts of a coloring agent, 20-30 parts of deionized water, 2-4 parts of a first stabilizing agent and 3-6 parts of a second stabilizing agent.The invention further discloses a preparation method of the 3D printed zirconium oxide-based false tooth material. The preparation method comprises the following steps: step A, base material preparing; step B, first material mixing; step C, second material mixing; step D, uniform dispersing; e, stable coloring; and step F, modulation. According to the 3D printed zirconium oxide-based false toothmaterial and the preparation method thereof, zirconium oxide is used as a base material, so that the false tooth material is higher in hardness and stronger in wear resistance; and through a 3D printing production mode, the false tooth material is effectively and quickly processed and formed, shorter in processing period, stable in quality and higher in popularization and use benefits.

The invention discloses a front bracket of a front longitudinal beam of an automobile, which comprises a main board, a folded edge, a positioning plate 1, a positioning plate 2, a fastening plate and a limiting plate, and is characterized in that: the main board is provided with a positioning groove, bump, and positioning holes are provided on the bump, the folded edge is arranged on the edge of the main board, the positioning plate one and the positioning plate two are arranged on the folded edges on the opposite sides of the main board, and are positioned on the positioning plate one, Mounting holes are arranged on the second positioning plate, and the fastening plate and the limiting plate are arranged on the flanges on opposite sides of the main board, and the limiting plate is connected with the protrusion. In the present invention, the front support of the front longitudinal beam is set as an integral stamping structure, which not only improves the quality and strength of the front support of the front longitudinal beam, but also reduces the processing difficulty of the front support of the front longitudinal beam, and can also strengthen the front support of the front longitudinal beam. stability.

The utility model discloses a checking tool suitable for a car door skeleton, which comprises a bottom plate, a cylinder, a connecting plate, a positioning plate, a transverse rod and a longitudinal rod. The bottom plate is arranged on a bracket; the cylinder is arranged on the bottom plate; and the cylinder is provided with a power line and a piston rod, wherein the connecting plate is arranged on the piston rod, and a connecting rod is arranged on the connecting plate. The positioning plate is arranged on the connecting rod; the horizontal rod is arranged on the positioning plate; and the longitudinal rod is arranged on the positioning plate. The longitudinal rod is vertically connected with the transverse rod, and a reinforcing rod is arranged between the transverse rod and the longitudinal rod. In the invention, both the horizontal bar and the vertical bar are arranged on the positioning plate; the vertical rod is vertically connected with the horizontal rod; and the reinforcing rod is arranged between the horizontal rod and the vertical rod. In this way, the stability of a vehicle door skeleton check tool is improved. The testing rods arranged respectively on the transverse rod and the longitudinal rod facilitate the detection of the vehicle door skeleton and improve the accuracy of the test result.

The invention discloses a manufacturing method for a hot extruded polyethylene zinc-aluminum alloy coated steel wire cable. A polyethylene sheath, a high-strength steel wire and a closed wire rope areincluded; the high-strength steel wire forms the closed wire rope after winding, processing and manufacturing; the surface of the closed wire rope is coated with a zinc-aluminum alloy layer; and theexternal of the closed wire rope is sleeved by the polyethylene sheath. The manufacturing technology of a hot extruded polyethylene zinc-aluminum alloy coated steel wire cable includes wire rod performing-surface treatment-drawing-finished product obtaining-surface inspection-performance testing-packaging-warehousing. Thus, force of gravity of the cable during the construction of a bridge can be reduced, and the bearing capacity of the cable can be increased; through the design of the closed wire rope, fatigue performance can be increased, which can be enhanced by 30% compared with traditionalcables, so that the bearing intensity of the cable can be further increased; and through an anticorrosive material filed in the internal of the cable, water vapor and rainwater cannot enter the internal of the cable, so that the moisture and corrosion resistance of the cable can be greatly enhanced, and the durability and service life of the cable during using can be prolonged.

A striking or musical watch with an acoustic waveguide arrangement. The striking or musical watch (1) includes an at least partially flexible waveguide (2) secured to a fixed part (8) inside the watch to guide the acoustic waves generated by a first portion (2′) of the at least partially flexible waveguide towards a radiating element. The radiating element can include a watch crystal (3) connected to a bezel (5) and a membrane (4) for connecting the bezel to a middle part (6) of a watch case. The flexible waveguide is configured to change the direction of acoustic vibration from the first portion to the radiating element.

The present invention relates to the technical field of electrical devices, especially to an improved multifunctional measurement plate. The plate comprises a measuring pen holding groove, a display screen, a measuring ruler, a drive motor, a processor, an electromagnetic wave monitor, measuring pen jacks, measuring pen plugs, wires and measuring pens. The display screen is installed at a positionof the upper portion of the left surface of the measuring pen holding groove, and the measuring ruler is installed at a position of the left surface of the display screen. The drive motor and movement teeth are arranged to achieve that the measuring ruler automatically stretches out to perform measurement work, the operation is convenient, the intelligence degree is improved and intelligence is achieved; the display screen is arranged to facilitate improvement of the intelligence of an instrument, the usage is simple, the maintenance cost is reduced, the service life is prolonged, and a greatenergy-saving effect is brought to users; and moreover, the measuring ruler is arranged to improve the quality strength, facilitate better achieving of the measurement work, reduce the maintenance cost, prolong the service life and achieve multiple functions.

The invention relates to the technical field of chemical materials, in particular to a production formula and processing technology of an electronic insulating film, which comprises an organic insulating film base layer, a reinforced connection structure, an outer inorganic insulator and an additive, the organic insulating film base layer, the reinforced connection structure, the inorganic insulator on the outer side and the additive are prepared from the following components in parts by weight: 35-55 parts of the organic insulating film base layer, 6-10 parts of the reinforced connection structure, 35-55 parts of the inorganic insulator on the outer side and 1-3 parts of the additive. Flatly laying the organic insulating film base layer on a workbench, and fixing the outer side of the organic insulating film; the reinforcing connection structure is mounted on the upper side of the organic insulating film base layer, and according to the technical scheme, the insulating film with high quality and strength and good insulating effect can be produced, so that the use of electronic equipment can be better met, and equipment damage caused by the insulation problem is avoided.

The invention provides a method for installing a wellbore, which comprises the following steps: a prefabricating step of prefabricating a wellbore with a first preset height, and prefabricating a well cover at the end of the wellbore; Cover and mark the wellhead at a preset height; the wellhead is set on the top of the well chamber and communicates with the inside of the well chamber, and the sum of the first preset height and the second preset height is the distance between the top of the well chamber and the road surface distance; installation steps, laying the road surface, and removing the cover of the wellhead when laying to a preset level, connecting the wellbore to the wellhead, and continuing to pave the road outside the wellbore. In the present invention, the well shaft and the well cover are prefabricated into one body, which improves the quality and strength, and the appearance is beautiful. The height of the well head is calculated, which can effectively ensure that the well shaft is just flush with the road surface after installation, and improves the overall flatness of the road surface. , and can be applied to different forms of road surfaces, reducing costs, saving resources, and avoiding waste of resources.

The invention discloses a novel rapier loom device for bevel fabric, and belongs to the field of textile machines. The novel rapier loom device structurally comprises a movable steel reed mechanism, atransmission mechanism, a warp beam fabric-winding mechanism and a guide hook-free mechanism. The movable steel reed mechanism structurally comprises a steel reed, reed holder angle iron, guide rails, guide rail bases, sliding bases, copper sleeves and an aluminum reed holder, wherein the reed holder angle iron is fixedly mounted on a fan-shaped disc of a loom, the guide rail bases are fixed to the reed holder angle iron through screws, the guide rails are fixed to the guide rail bases through screws, the sliding bases are mounted on the guide rails and can slide leftwards and rightwards along the guide rails, the aluminum reed holder is mounted on the sliding bases, the copper sleeves are connected with the sliding bases in a close fit mode, and the steel reed is fixedly mounted on the aluminum reed holder. The novel rapier loom device can weave bevel fabric with the angle between warp yarns and weft yarns ranging from 90 degrees to 135 degrees, is high in stability and precision, and meets the weaving requirements for special fabric products.

The invention discloses a left beam installing support for an automobile. The left beam installing support comprises a first main plate, a second main plate, a folded edge, a first installing plate, a second installing plate, a reinforcing plate and a positioning plate, and is characterized in that an installing hole, clamping grooves and a positioning hole are formed in the first main plate, the second main plate is connected with the first main plate, the folded edge is arranged on the first main plate and the second main plate, the first installing plate and the second installing plate are arranged on the two opposite sides of the first main plate, the reinforcing plate is arranged on the second installing plate, the positioning plate is arranged on the second installing plate, and a positioning groove and an installing hole are formed in the positioning plate. According to the left beam installing support for the automobile, the first main plate, the second main plate, the folded edge, the first installing plate, the second installing plate, the reinforcing plate and the positioning plate are wholly punched, formed and processed into the left beam installing support for the automobile, the processing difficulty of the left beam installing support for the automobile is simplified, and the quality strength of the left beam installing support for the automobile can also be improved.

The invention provides a method for preparing high-strength iron-making coke by using chemical waste. According to the method, pre-grinding, material mixing, pressure granulation, surface spray coating, rolling bonding, drying hardening and high-temperature coking manners are used to prepare the high-strength iron-making coke, especially the high-value reuse of the chemical waste including the coke powder is realized by using the cohesive effect of a liquid phase precipitated by a carbon-contained waste binder on the coke powder in the heating coking process and reduction of burning loss on the surface of a granulation material in the heating process by the coke powder adhered to the surface, the strength and quality of the coke are improved; and the crushing strength M40 of the coke obtained after coking in a high-temperature retorting device is >=91.2%, the abrasion resistance M10 is <=5.5%, and the coke post-reaction strength (CSR) is >=67%, all the above values reach a class I standard for coke for blast furnace ironmaking, and supply of ironmaking blast furnace raw materials is realized.

The invention discloses a green and environment-friendly technique for melting and removing fracture flaws of a tire and enhancing the safety of the tire. The technique comprises the following steps of: grinding a fractured position of a to-be-repaired tire to be smooth; suturing the fractured radial by using a latch needle and a new radial; coating the fractured position with a high-temperature vulcanizing agent; pasting a tire fabric piece to the fractured position; fully filling raw rubber, pressing and flattening by using hook electric soldering iron; finding an another new tire with the same brand, model number and patter version and placing it on an environment-friendly air bag aluminum block type molded embossed traceless repairing and restoring tire machine in a sleeving manner; shearing a piece of raw rubber which is 4x4.5 mm in thickness and larger than the repaired area and heating the raw rubber on the new tire corresponding to the repaired tire to form a rubber mold blockin a roasting manner; soaking by using a demolding agent; afterwards pasting the rubber mold block on the filled raw rubber and fixing by using 502 glue; placing on the environment-friendly air bag aluminum block type molded embossed traceless repairing and restoring tire machine and heating again; melting the filled raw rubber with the tire integrally in a high-temperature vulcanization process;and meanwhile printing patterns and characters by a rubber mold. The technique disclosed by the invention restores the original shape and the service life of the tire by adopting a green and environment-friendly method.

The invention discloses a brake device suitable for bearing a refractory brick kiln car. The brake device comprises a mounting plate, a brake plate and springs, and is characterized in that cushion blocks, fixed blocks and mounting holes are arranged on the mounting plate; mounting blocks are arranged at the two ends of the brake plate, and a reinforcement groove is arranged on the brake plate; and one end of each spring is connected with the corresponding cushion block, and the other ends of the springs are connected with the brake plate. According to the brake device, the brake plate is arranged to be of an arc structure, the reinforcement groove of the arc structure is arranged on the brake plate, the quality strength of the brake plate is improved, and the brake effect of the kiln caris enhanced; and the springs are arranged between the brake plate and the cushion blocks of the mounting plate, the buffer capacity of the brake plate is improved, the brake effect of the brake plateon the kiln car is further improved, and the service life of the brake device is prolonged.

The invention relates to the technical field of building construction, and discloses a method for preparing a concrete mixer, which comprises the following steps of: 1, selecting a mixer according to construction requirements, selecting a direct-falling mixer and a forced mixer according to different stacking densities, mixing time and mixing frequency, and selecting one of the two mixers; 2, after a proper stirrer is selected, preparation before construction is carried out; 3, carrying out pre-stirring; 4, officially stirring; 5, pouring out the stirred concrete, and then carrying away the concrete.According to the concrete stirring method convenient for building construction, the materials are added into the stirring machine to be stirred, cement, sand and water are put into a half barrel to be stirred firstly, then pebbles are added, stirring is conducted again, and due to the fact that pre-stirred cement mortar or cement neat paste has an activation effect on cement, the stirring speed is increased; therefore, the stirring quality is obviously higher than that of an existing stirring mode, if the cement consumption is not changed, the concrete strength can be improved by about 15%, or under the condition that the concrete strength is the same, the cement consumption can be reduced by about 15%-20%.

The invention provides a manufacturing process of a three-layer shell membrane for precision casting. The process comprises the following steps that step one, mullite powder and silica sol are mixed and uniformly stirred to form slurry; step two, immersing sizing is carried out after secondary casting; step three, mullite sand is poured into a floating sand barrel to the position of a marking line; step four, the shell membrane after immersing sizing is placed into the floating sand barrel for sand burning; and step five, the shell membrane after sand burning is dehumidified and dried. By adopting the mullite sand and the mullite powder, the material cost is reduced, the drying time is effectively shortened, the labor intensity is reduced, and the shell membrane strength is improved.

The invention provides a wellbore installing method. The method comprises the following steps that prefabricating is conducted, specifically, a wellbore with the first preset height is prefabricated,and a well lid is prefabricated at the end of the wellbore; bricklaying is conducted, specifically, a well chamber and a wellhead having a second preset height are subjected to bricklaying, and the wellhead is covered and marked, wherein the wellhead is arranged at the top of the well chamber and communicates with the interior of the well chamber, and the sum of the first preset height and the second preset height is equal to the distance between the top of the well chamber and the road surface; installing is conducted, specifically, the road surface is paved, when paving reaches the preset extent, coverage on the wellhead is removed, the wellbore is in butt joint with the wellhead, and road surface paving continues being conducted outside the wellbore. According to the wellbore installingmethod, the wellbore and the well lid are prefabricated into a whole, the quality intensity is improved, the appearance is beautiful, the height of the wellhead is obtained through calculating, it can be effectively ensured that the wellbore is right flush with the road surface after being installed, the overall flatness of the road surface is improved, the wellbore can adapt to road surfaces different in forms, the cost is reduced, energy is saved, and energy wasting is avoided.

The invention discloses a nanometer zirconium phosphate-coated modified ammonium polyphosphate flame retardant. By coating zirconium phosphate nanosheets on polyethyleneimine PEI modified ammonium polyphosphate, the P‑O‑C‑N flame retardant can be exerted. Combustion synergistic effect, and play a flame-retardant effect in both the gas phase and the solid phase; it is applied to the preparation of intumescent fire-resistant coatings, which have the advantages of high carbon layer strength, dense intumescent carbon layer, high-efficiency flame retardant and smoke suppression, and can be effectively Solve the problems that ammonium polyphosphate is easy to migrate and hydrolyze in humid environment, and improve the weather resistance and durability of the coating; the obtained intumescent fireproof coating integrates flame retardant, smoke suppression and enhancement functions, excellent halogen-free char formation, environmental protection and applicability The method is extensive, and the involved preparation method has simple process and mild reaction conditions, and is suitable for popularization and application.

The invention discloses a cluster fiber thermoplastic composite sheet material, comprising a sheet material upper superficial layer (37), an intermediate fiber and mixed powder matrix layer (35) and a sheet material lower superficial layer (36). The intermediate fiber and mixed powder matrix layer (35) is produced by the following steps: (1) fiber shearing; (2) pneumatic disperse-mixing-adherence; (3) mixing settlement to form net. The cluster fiber thermoplastic composite sheet material of the invention has enhanced shear behavior, strong tension and bending resistance mechanical properties at each direction, high puffed rate, low density, and high quality intensity, and is lightweight, humidity resistant, nontoxic and harmless.

The invention discloses an efficient energy-saving split-type suction roller. A large-diameter stainless steel suction tube serves as a roller body of a working portion of the suction roller, a small-diameter stainless steel suction tube serves as a roller body of a transmission portion and a fixing portion, and except that the large-diameter stainless steel suction tube is connected with the small-diameter stainless steel suction tube through a flange, the rest structures surround the whole roller body. The efficient energy-saving split-type suction roller has the advantages that the efficient energy-saving split-type suction roller is stable in structure, energy saving, efficient, safe and stable to run and unchanged in shape and mounting dimension and can be directly mounted and used by substituting for that in the prior art; an outer filter screen portion is of a three-layer screen structure with punched expanded metal serving as a support and is replaceable in screen type according to technological needs of users.

The invention discloses an aluminum erbium alloy welding wire and a preparation method thereof in the technical field of welding wire processing, and the aluminum erbium alloy welding wire comprises the following alloy components in percentage by mass: 10%-25% of Cu, 0.1%-0.3% of Fe, 1.0%-3.0% of Ti, 0.8%-2% of Mg, 10%-15% of Zr, 0.01%-0.05% of Cr, 0.1%-0.5% of Sc, 0.6%-1% of Er, 2%-4% of Zn, less than or equal to 0.03% of single content of other impurity elements, less than or equal to 0.1% of total content of other impurity elements and the balance of Al. According to the aluminum-erbium alloy welding wire and the preparation method thereof, AL, Er and the intermediate alloy are mixed, smelted and refined, the aluminum-erbium alloy welding wire is formed into a blank through slagging-off and pouring, and through repeated cold drawing and annealing treatment, the prepared aluminum-erbium alloy welding wire is high in corrosion resistance, high in quality strength, simple in machining process, high in yield and low in preparation cost.

The invention discloses a method for producing a novel spongy lightweight wall body insulation material by using industrial waste alkali residues. A wall body insulation material product with the performance comparable to wall body insulation material products prepared from cement, gypsum and coal ash is produced by utilizing 100 percent of the waste alkaline residues as raw materials, and addingpolyurethane, hydrogen peroxide, a deoxidant, a reinforcing agent and other materials. The wall body insulation material product has the characteristics of high strength, smalllight density, high water retention capacity, good insulation effect, high sound insulation ability, extremely high fire resistance, heat absorption function and moisture liberation function; the method has the advantages ofadvanced technology, low energy consumption, high added value, no secondary pollution in the production process and low production cost; in addition, the technical problems that industrial waste alkali residues cannot be treated is thoroughly solved and the technical problem of secondary environmental pollution is solved. A new technical process method has good application prospect, social benefits, environmental benefits and economic benefits.

The invention discloses equipment for producing high-grade building hardware. The equipment comprises a grinding equipment body; a workbench is arranged at the bottom of the grinding equipment body, threaded rods are distributed at the bottom of the workbench, and a supporting leg is arranged at the bottom of each threaded rod; supporting blocks are distributed at the top of the workbench, a supporting rod is arranged at the top of each supporting block, and a cross rod is arranged at the tops of the supporting rods; air cylinder telescopic rods are distributed on the inner side of the bottomof the cross rod, a sliding rail is arranged at the bottoms of the air cylinder telescopic rods, and sliding blocks are distributed on the outer side of the sliding rail; and a fixing block is arranged on the outer side of each sliding block, a cutter grinding wheel is arranged at the bottom of each fixing block, and a ceramic diamond cutter frosted layer is arranged on the outer side of each cutter grinding wheel. According to the equipment for producing the high-grade building hardware, the grinding efficiency of the hardware is improved, the hardware can be uniformly polished, and the ceramic diamond cutter frosted layer material with extremely high sharpness is adopted so that the grinding efficiency of the hardware can be improved by three times.