161results about How to "No flow" patented technology

The invention relates to a photochromic double-shell microcapsule and a preparation method and application thereof. The microcapsule comprises a core, an internal shell and an external shell, wherein the core is manufactured by a photochromic material; the internal shell adopts vinyl monomer as polymerizing monomer, and wraps the core in an interfacial polymerization way; and the external shell adopts etherifying melamine resin prepolymer as polymerizing monomer, and wraps the internal shell in an in-situ polymerization way. The photochromic double-shell microcapsule provided by the invention is simple in preparation technology, and is non-toxic and innocuous; the wall of the microcapsule is high in toughness, is wear-resistant, heat-proof and water-proof, is good in processability, and is capable of permanently implementing a photochromic function; and the photochromic double-shell microcapsule can be applied to the field of textile and printing, and meets the demands on personalization and counterfeiting prevention.

The invention discloses a construction method of a tunnel waterproof and water drainage system, comprising the following steps: (1) preparing raw materials on a drainage layer; (2) injecting the drainage layer; (3) injecting a waterproof layer. The drainage layer and the waterproof layer of the invention all adopt the construction technology of injection. On the basis of water conductivity function, the drainage layer also has the functions of leveling and adapting to structural deformation, the waterproof layer adopts the construction mode of instantaneous film forming by ultraspeed curing and injecting, and the formed film is an integral structure, thus realizing that the integral structure is seamless and waterproof, the injection surface is free of flow, the film surface is smooth without bubbles and the construction produces no volatile organic compounds, simultaneously greatly improving the construction efficiency and reducing the labor intensity of workers.

The invention discloses a figuration phase change material based on tetradecane. The figuration phase change material is formed by mixing and processing the tetradecane with the mass percentage between 30 and 80 percent and the balance being a polymer framework material, wherein the polymer framework material is one or a combination of polyethylene (PE), styrene-butadiene-styrene copolymer (SBS) or styrene-isoprene-styrene copolymer (SIS). The invention has the tetradecane absorbed and/or wrapped in the specific polymer material as a framework. Because the polymer material as the framework can not be deformed in the working temperature range (20 below zero to 40 DEG C for example) of the tetradecane, the shape of the material can be kept, and the problems about collapse or flowing and leakage can not occur. Therefore, the obtained figuration phase change material can be widely applied to the low-temperature preservation and transportation of medicines, foods and the like.

The invention provides a spray-coating sealing material for coal rock mass, belonging to the technical field of organic/inorganic compound materials. The spray-coating sealing material for the coal rock mass is a complex of high-molecular emulsion and high-flame-retardant powder materials, without any toxic and harmful substances, free of springback for construction, safe and environmental protective. When sprayed at vertical surfaces and top surfaces, the material does not flow and sag, and is good in overall effect. After curing, the coating has advantages of strong adhesion stress, high tensile strength, large tensile deformation, and excellent sealing performance. The material can be used for surface protection of the coal rock mass, air leakage prevention, gas leakage prevention, and rapid surface protection and moistureproof treatment after tunneling of swelling rock.

The invention provides a styrene butadiene styrene (SBS) modified bituminous waterproof sheet material and preparation technology thereof. The waterproof sheet material comprises polyester cloths, animmersion oil coating layer and a film-mulching layer. The immersion oil coating layer comprises the following materials in parts by mass: 32-52 parts of bitumen, 12-22 parts of residual oil, 9-19 parts of EPDM rubber powder, 2-7 parts of butyl rubber powder, 11-21 parts of talc powder and 5.6-10.6 parts of SBS rubber. The bitumen is the mixture of 9-19 parts of 10# bitumen and 23-33 parts of 60#bitumen. The invention is characterized by wide high temperature and low temperature resistance range, good elasticity and good hardness, is not easy to deform and is suitable for various levels of waterproofing works of roofing of industrial and civil buildings, underground, bridges, highways, swimming pools and the like in the south and in the north.

The invention discloses an epoxy non-cured rubber asphalt waterproof coating and a preparation method thereof and belongs to the field of coatings. The coating comprises a component A and a componentB, wherein the component A is prepared from asphalt, plasticizers, polymer modifiers and epoxy resin; the component B is prepared from epoxy curing agents. The problem that the non-cured rubber asphalt waterproof coating can be constructed after the coating is heated can be solved; the coating is energy-saving and environmentally friendly; the safety of constructors is ensured; the construction operation is simplified; the application range of the product is expanded; the coating is excellent in construction performance, does not need to be heated in the whole construction process, is excellent in high-temperature performance, can achieve obstacle-free construction under high temperature and low temperature, and is high in flexibility, high in elongation rate, excellent in creep property,high in self-healing capability, high in water channeling resistance and high in adhesion performance.

The invention relates to a multiple-cavity heat preservation water tank free of water mixing. The multiple-cavity heat preservation water tank free of water mixing is characterized in that the inside of a tank body is divided by a plurality of separation plates or separation films into N hollow cavities, each hollow cavity is provided with water passing holes, the water passing holes of the first hollow cavity are communicated with the second hollow cavity, the Nth hollow cavity is provided with a hot water supply port, the water passing holes of the Nth hollow cavity are only communicated with the (N-1)th hollow cavity, the water passing holes of the other hollow cavities are respectively communicated with a former hollow cavity and a later hollow cavity, the inside of the water tank forms a through path, and in the through path, series connection is formed from the first hollow cavity to the Nth hollow cavity, and all the hollow cavities are communicated. The first hollow cavity is provided with a water outlet which is communicated with a water outlet of an external water pump through a water outlet pipe, the water tank is provided with at least one water return port which is communicated with the water outlet of the external water pump through a water return pipe, the Nth hollow cavity is provided with a water return port, one hollow cavity in the middle of the water tank is provided with a cold water supplementing port. The multiple-cavity heat preservation water tank free of water mixing can basically avoid the phenomenon of mixing of cold water and hot water, improves the energy efficiency ratio and the heating capacity of a system, guarantees the hot water supply and the stability of outlet water temperature, adopts a sectional heating method, reaches a required temperature rapidly, and reduces power of equipment configuration and the size of the water tank.

The invention provides a high-temperature-resistant modified asphalt waterproof coiled material and a preparation method thereof. The modified asphalt waterproof coiled material comprises a tread baselayer, prepreg, a coating material and an isolating material; the tread base layer of the modified asphalt waterproof coiled material is fiberglass mesh cloth and polyester fiber composite tread base; and the prepreg is prepared from the following raw material components: 130# asphalt, chlorinated rubber, ethylene-vinyl acetate glyceride, elm tree wood powder and an anti-ageing agent. The modified asphalt waterproof coiled material has excellent thermal stability, thermal ageing resistance and low-temperature flexible performances.

The invention discloses a method and a device for counting rate. The method comprises the following steps that: network management equipment reads current flow information and current online time length information of AP equipment from AC equipment; the network management equipment compares the current online time length information with previously recorded online time length information; when the current online time length information is consistent with the previously recorded online time length information, the network management equipment determines that the current flow information is invalid; and when the current online time length information is inconsistent with the previously recorded online time length information, the network management equipment determines the rate information of the AP equipment according to the current flow information and the current online time length information. In the method and the device, the flow and the rate of the AP equipment can be accurately determined.

The invention discloses a stop valve of a pipeline, which comprises a valve clack, wherein the valve clack comprises a sealed valve plate and a lower cylindrical body which is vertical to the valve plate; the internal surface of the lower cylindrical body of the valve clack is a cylindrical ring surface, the cylindrical ring surface is vertical to the sealed surface of a valve seat at a fluid inlet, and an outlet is tangential to an inlet of a valve body, i.e. the tangential line of the center line of the cylindrical ring surface at the outlet is superposed with the tangential line of the center line of the section at the inlet of the valve body. The cylindrical ring surface can be a cylindrical ring with equal diameter and can be also a cylindrical ring with variable diameter. The valve clack of the stop valve structure can lower the local resistance of the valve obviously, lower the pressure of a medium on a valve rod because the structure of the valve clack enables the medium to smoothly flow from an inlet of a valve cavity to an outlet, reduce the energy loss of the pipeline valve greatly, save the running cost of the pipeline and play an indispensable positive role in the aspects of environmental protection and energy saving.

The invention relates to solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint which comprises the following raw materials by weight percent: 30-50% of epoxy resin, 10-30% of cardanol curing agent, 2-10% of toughening agent, 0.1-1% of modified polysiloxane leveling agent, 0.01-0.1% of polysiloxane defoaming agent, 4-8% of polyacrylic ester dispersing agent, 3-11% of zinc phosphate, 3-8% of aluminum triphosphate, 6-15% of barite powder, 3-8% of titanium dioxide, 0.01-0.1% of carbon black, 3-8% of mica powder and 3-8% of talcum powder. The solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint has the benefits as follows: the solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint is an environment-friendly paint, the solid content is high, the thickness of a once formed film is large, the phenomenon of trickling is avoided, the paint film is non-toxic, and no pollutions can be caused to the environment; and the solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint is strong in adhesive force and extremely strong in impact resistance, and can be used as the anti-corrosion paint for drinking water pipelines, sewage, brine and ore slurry conveying pipelines and inner walls of storage tanks.

The invention relates to multi-path thick coating and one-step molded rubber-state waterproof coating and a preparation method thereof and belongs to the technical field of sealing water prevention. The rubber-state waterproof coating provided by the invention is mainly prepared from the following raw materials in percentage by mass: 0 to 75 percent of modified asphalt, 0 to 80 percent of asphaltregeneration agent, 0.01 to 30 percent of quick-drying creaming agent and 10 to 70 percent of emulsified liquid; the rubber-state waterproof coating is prepared through steps of preparing a rubber asphalt mixture, preparing the emulsified liquid, emulsifying and creaming and de-foaming. According to the rubber-state waterproof coating, an inorganic creaming agent is used as the quick-drying creaming agent and the emulsified liquid is used for emulsifying and creaming the rubber asphalt mixture through a colloid mill by adopting a one-pot method and the prepared rubber-state waterproof coatingis uniform, fine and smooth and has high quality; the rubber-state waterproof coating has very good thixotropic performance, rapid dehydration and drying properties and excellent construction and application performance; the production efficiency is improved by applying the one-pot method and quality stability of a product and environment protection are facilitated.

The invention relates to the technical field of heat dissipation, in particular to a radiator for a high-voltage transformer oil tank and a power module. The radiator comprises a base plate and a copper pipe. The surface of the base plate is provided with a bent groove. The copper pipe is embedded in the groove. The gap where the groove makes contact with the copper pipe is filled with high thermal conductivity materials. The surface, opposite to the surface provided with the groove, of the radiator is tightly attached to the transformer oil tank. The power module is mounted on the copper pipe. Since the high-voltage transformer oil tank and the power module adopt the same radiator for heat dissipation, only one liquid path is needed for being connected with a cooling liquid, liquid path connection connectors are reduced, and the situation that the liquid is leaked from the liquid path to burn out a power supply is prevented. No water flows in the oil tank, and therefore the situation that water enters the high-voltage transformer oil tank to burn out a high-voltage transformer is prevented.

The invention discloses an engineering sewage disposal device. The engineering sewage disposal device comprises a box body, a water inlet, a water outlet and a sewage outlet, wherein the water inlet,the water outlet and the sewage outlet are formed in the side face of the box body; a fixing plate with two falling grooves and a rotary drum are arranged in the box body; a sealing assembly is arranged on the side face of the box body; a cavity is formed in the rotary drum, and a plurality of stirring rods are arranged on the rotary drum; a transverse cavity which communicates with the cavity isarranged in each stirring rod; a control assembly for controlling whether the transverse cavity communicates with the interior of the box body or not is arranged in each stirring rod; a case is fixedly connected to the upper end of the box body; a driving assembly is arranged in the case; and a conveying assembly for conveying flocculation liquid to the cavity in the rotary drum is arranged in thecase. A motor drives the rotary drum in the box body to rotate, the stirring rods on the rotary drum are driven to stir sewage in the box body, in the stirring process, self-adding of flocculating liquid is achieved through elasticity of a first spring, work of a liquid conveying pump in a liquid storage box and rotation speed adjustment of the rotary drum, and the flocculating liquid is added while stirring is conducted; and the flocculation liquid can be effectively mixed with the sewage for reaction, and impurities in the sewage are removed.

The invention discloses a robot posture controlled electric arc deposition laser forging additive manufacturing method and equipment for complex structural components. By adopting a robot posture control scheme, the space position of a melt forming part on a machining region can be freely adjusted, and the melting material flowing, falling and collapsing problems caused by the gravity action are solved. Meanwhile, the force effect of shock waves induced by pulse laser is used for reducing or eliminating internal defects and residual stress of a melting region and refining grains of the melting region, and the mechanical performance of the formed metal parts is improved. By means of the robot posture controlled electric arc deposition laser forging additive manufacturing method and equipment, the complex structural metal parts can be directly and rapidly formed, the efficiency is high, and the quality of the formed metal parts is relatively high.

The invention discloses a high-temperature-resisting anticorrosion coating for an inner wall of a steel thermal pipeline. The high-temperature-resisting anticorrosion coating is prepared from the following raw materials according to the ratio: 50 to 75 percent of a base material and 25 to 50 percent of a curing agent; the high-temperature-resisting anticorrosion coating is smooth and uniform and has relatively strong high temperature resistance and relatively strong corrosion resistance; the standard requirements of the inner wall of the steel thermal pipeline on the anticorrosion coating aremet. The invention further discloses a construction method of the high-temperature-resisting anticorrosion coating for the inner wall of the steel thermal pipeline; the construction method comprises the following four steps: preparing the high-temperature-resisting anticorrosion coating; pre-treating the inner surface of a steel pipe; carrying out spraying treatment on the inner surface of the steel pipe; checking the quality. According to the construction method, the production line work the construction of the anticorrosion coating is realized and the construction efficiency is extremely improved; meanwhile, a construction finished product has the characteristics of smooth and uniform coating, no flowing, no orange skin, no leakage points and the like and can meet the standard requirements of the inner wall of the steel thermal pipeline on the anticorrosion coating.

The invention discloses a hyperbranched structure-containing asphalt pavement joint sealant and a preparation method thereof. The joint sealant is prepared from, by weight, 44-52 parts of matrix asphalt, 5-9 parts of a hyperbranched monomer, 10-20 parts of an auxiliary additive, 1-7 parts of a viscosity reducer, 2-10 parts of a composite modifier and 12-18 parts of a filler. The preparation method comprises the following steps: heating the matrix asphalt to 130-150 DEG C, conveying the heated matrix asphalt to a stirring tank, adding the auxiliary additive, stirring the matrix asphalt and the auxiliary additive for 30 min, heating the obtained mixture to 150-170 DEG C, sending the heated mixture to a colloid mill, heating the mixture to 190 DEG C, adding the composite modifier, stirring the mixture and the composite modifier for 1 h, cooling the obtained material to 160-170 DEG C, adding the hyperbranched monomer, stirring the material and the hyperbranched monomer for 1 h, adding the filler and the viscosity reducer, and stirring all above materials for 1 h to obtain the joint sealant. The hyperbranched structure-containing asphalt pavement joint sealant has high elasticity recovery rate and excellent high and low temperature resistance, is suitable for asphalt pavement cracks under different climate conditions; and the preparation method has the advantages of simplicity, simplicity in operation, and suitableness for industrial application.