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

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 relates to the technical field of mixed-flow pumps and particularly relates to a large-power submerged mixed-flow pump body. The technical scheme adopted by the invention is that the large-power submerged mixed-flow pump body is characterized by comprising a main body structure composed of a cylindrical structure and a rectangular structure; one end of the main body structure is provided with an output port; a rear pump body is arranged at the other end of the main body structure; the rear pump body and the main body structure are each of a hollow structure and communicate with each other; a rectangular position at the upper part of the main body structure is a power structure fixing surface; two power input ports are formed in the power structure fixing surface; a main input structure is arranged at a cylindrical position at the lower portion of the main body structure; the two sides of the main input structure are each provided with a reinforcing rib structure. The large-power submerged mixed-flow pump body disclosed by the invention has the advantages of being reasonable in structure, high in quality strength, long in service life and applicable to a large-power submerged mixed-flow pump.

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 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 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 an environment-friendly flame retardant, which is formed by firstly using tetrabutyl ammonium hydroxide and phosphoric acid to strip zirconium phosphate, and then using furfurylamine to coat the zirconium phosphate. While effectively solving the problems of easy agglomeration of zirconium phosphate, the flame retardant can play a synergistic flame retardant effect with the intumescent flame retardant system in the fire retardant coating; when it is applied to the preparation of the intumescent fire retardant coating, the composition of the obtained fire retardant coating can be significantly improved. Membrane properties, fire resistance and durability, etc. The flame retardant obtained in the present invention integrates flame retardancy, smoke suppression and enhancement functions, and has low halogen-free cost, good char formation, high carbon layer strength, environmental friendliness, wide applicability, and the preparation method involved is simple in process and reaction conditions Mild, suitable for general 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 a nano-zirconium phosphate-based flame-retardant and antibacterial agent. Firstly, zirconium phosphate is intercalated and stripped, and it is modified with aminoimidazole and chlorpropionaldehyde to prepare a flame-retardant and antibacterial agent based on nano-zirconium phosphate. It can effectively solve the problem of easy agglomeration of zirconium phosphate, and can play a synergistic flame retardant effect with the intumescent flame retardant system in the fireproof coating; and can significantly improve the film-forming, fire resistance and durability of the fireproof coating obtained; The Schiff base and imidazole loaded on the surface of the zirconium layer can be more uniformly dispersed in the coating components, and play a barrier antibacterial effect. The Schiff base in the flame retardant, nano-zirconium phosphate and imidazole can effectively improve the antibacterial effect of the fireproof coating. performance. The flame retardant obtained in the present invention integrates flame retardancy, smoke suppression and bacteriostasis, and enhancement functions, and has low halogen-free cost, good char formation, environmental friendliness, wide applicability, and the preparation method involved is simple in process and simple in reaction conditions. Suitable for promoting applications.