103results about How to "Reduce the number of construction" patented technology

The invention relates to a method for preparing a high solid content latent cured polyurethane acrylic acid heterozygous latex and an application thereof. The preparation method comprises the following steps: pre-polymerizing polyester polyalcohol, hydrophilic chain extender and diisocyanate monomer to obtain the polyurethane prepolymer containing a hydrophilic group (carboxyl or sulfo group) and a terminal NCO group; then, neutralizing the polymer into salt and dispersing the salt in water to prepare the polyurethane water dispersoid; finally, using the dispersoid as macro molecular emulsifying agent and reactant to emulsify and disperse the acrylic ester monomer, initiating the polymerization by heating, dropping initiator to perform the latex polymerization, and regulating the pH of the latex by adding a latent curing agent to obtain the high solid content latent cured polyurethane acrylic acid heterozygous latex. The high solid content latent cured polyurethane acrylic acid heterozygous latex has a solid content of above 45%; the storage of the high solid content latent cured polyurethane acrylic acid heterozygous latex is stable; and high hardness film coating can be formed at the room temperature. Compared with acrylic acid latex and polyurethane latex, the high solid content latent cured polyurethane acrylic acid heterozygous latex has better film forming performance, water resistance, alcohol resistance, pollution resistance, dry/wet cleaning resistance and chemical solvent resistance, as well as high hardness.

A foam forming unit particularly suitable for a liquid container, comprising a pump for liquid and a pump for air, which are each provided with an inlet and an outlet, the foam forming unit further comprising a mixing chamber which is in communication with the outlet of each pump, a dispensing part provided with an outflow channel with a foam opening, the channel being in communication with the mixing chamber, and valves in respectively the inlet and the outlet of each pump for drawing in respectively delivering air and liquid, wherein one or more valves are formed integrally with the air pump or liquid pump into a single construction element.

The invention relates to a polyurethane anti-corrosion priming paint sprayed on a steel structure in an abyssal environment. The priming paint is polyurethane modified epoxy solvent-free priming paint; after being subjected to polyurethane modification, the epoxy solvent-free priming paint has higher compressive strength than a common solvent-free epoxy coating, and has higher adhesion strength with the steel structure and sprayed polyurethane. After the matching of the polyurethane modified epoxy solvent-free priming paint and the spray polyurethane, the drawing strength between the whole coating and the steel structure is tested to be larger than or equal to 10 MPa. The polyurethane modified epoxy solvent-free priming paint solves the problems of low compressive strength and polyurea adhesion strength of the common solvent-free epoxy priming paint used in the abyssal environment, and also solves the problem of low steel structure adhesion strength of a polyurethane type priming paint in the abyssal environment.

The invention relates to a composite acid blockage removing agent for an oil well. The composite acid blockage removing agent consists of the following materials in parts by weight: 50-90 of hydrochloric acid, 20-50 of hydrofluoric acid, 15-35 of acetic acid, 15-35 of nitric acid, 4-10 of corrosion inhibitor, 2-8 of penetrant, 5-10 of inorganic salt, 12-25 of oxidant and 10-30 of clay stabilizer.The composite acid blockage removing agent for the oil well acid provided by the invention achieves the simultaneous removal of inorganic and organic blockage for the oil well, can clean the oil well, has a good anti-corrosion effect, can reduce the number of times of blockage removing construction and has very broad application prospects.

The invention discloses a luminant white paint. The luminant white paint is obtained by mixing a main paint, a curing agent and a diluent according to a mass ratio, wherein the main paint comprises the following components in parts by weight: 35-40 parts of alkyd resin, 3-5 parts of dispersing agent, 30-40 parts of titanium white powder, 10-20 parts of extender pigment, 0.2-0.5 parts of anti-setting agent, 0.2-0.4 parts of leveling agent, 0.2-0.5 parts of antifoaming agent, 0.5-1.0 parts of anti-yellowing agent and 20-25 parts of main paint solvent; the curing agent comprises the following components in parts by weight: 10-20 parts of curing agent solvent, 0.1-0.2 parts of dehydrating agent, 60-70 parts of HDI (Hexamethylene Diisocyanate) type curing agent and 30-40 parts of TDI (Toluene Diisocyanate) type curing agent; and the diluent comprises the following components in parts by weight: 60-70 parts of ester solvent and 30-40 parts of ketone solvent. The luminant white paint disclosed by the invention has the advantages of rapidness for leveling after being sprayed, full paint film, rockiness and scratch resistance. Meanwhile, the invention also discloses a preparation method of the luminant white paint.

A foldable heat radiation board includes a plurality of elongated and narrow plate-like members with fluid tube embedding grooves provided therein, and the plate-like members are combined with each other in a quadrangular plan configuration. Fluid tubes are embedded in the embedding grooves, and a heat radiation sheet is attached to the entire surface on the front surface side, while a back surface material is attached to the entire or partial surface on the back surface side. A plurality of contact portions in which the end portions of adjacent plate-like members contact each other are set as folding portions, and a fluid tube outlet opening portion in the end portion of one of the plate-like members and a fluid tube inlet opening portion in the end portion of the other of the plate-like members are provided so as not to oppose each other but to be shifted from each other, this portion being set as a fluid tube passage portion.

The invention discloses an electric car charging method based on a moving robot, the moving robot and a background, and relates to the technical field of electric car charging. The electric car charging method based on the moving robot, the moving robot and the background have the main purposes that the construction number of charging piles can be decreased, accordingly, a large quantity of resources can be saved, and the charging efficiency of an electric car can be improved. The electric car charging method comprises the steps that when an electric car charging instruction is received, the moving robot can look up the car position of the to-be-charged electric car in the electric car charging instruction through an automatic guiding transport vehicle; when it is detected that the movingrobot reaches the car position, the moving robot can identify a charging opening of the to-be-charged car through a camera and insert a charging gun head into the charging opening through a charging mechanical arm so as to charge the to-be-charged car; and after the to-be-charged car is charged, the charging gun head can be pulled out of the charging opening through the charging mechanical arm. The electric car charging method based on the moving robot, the moving robot and the background are suitable for electric car charging based on the moving robot.

The invention provides a network RTK medium-long baseline ambiguity fixing method and platform, and the method comprises the following steps: obtaining a double-frequency pseudo-range observation value and double-frequency carrier phase observation data transmitted by a reference station; obtaining a floating point solution of double-difference wide lane combination ambiguity according to the double-frequency pseudo-range observation value and the double-frequency carrier phase observation data; obtaining a fixed solution corresponding to the floating point solution of the double-difference wide lane combination ambiguity according to a data optimization algorithm; and obtaining a fixed solution corresponding to the floating point solution of the single-frequency ambiguity according to thefixed solution corresponding to the floating point solution of the double-difference wide lane combination ambiguity. Therefore, the fixation rate and the reliability of the medium-long baseline ambiguity are improved.

The invention discloses a sectionally constructed seepage drainage pipe for a tailings dam. The sectionally constructed seepage drainage pipe comprises an aqueduct (1) and a seepage drainage pipe (2) which are communicated with each other, wherein the seepage drainage pipe (2) is arranged at a distance of 1/3 to 1/2 from the top of the dam and consists of an inner pipe (3), seepage drainage holes (4), a geotextile (5) and a reserved interface (6), and the inner layer of the seepage drainage pipe (2) is the inner pipe (3); the seepage drainage holes (4) are uniformly arranged on the inner pipe (3), and the outer side of the inner pipe (3) is wrapped with the geotextile (5); and the reserved interface (6) arranged at the upper part of the inner pipe (3) is connected with a second-stage seepage drainage pipe. The good permeability and reliability of the seepage drainage pipe are ensured, the loss of accumulated fine particle soil can be prevented, and the seepage failure is avoided, thereby ensuring the stability of the dam.

The invention relates to a multifunctional combination operation process and a device for an injection pump unit. The process comprises the following steps: A, driving a pipe column into a well; B, acidifying, fracturing, testing discharged fluid and cleaning a pipe; and C, carrying out oil extraction or water injection production. The step B comprises the following processes: driving a pipe cleaning column into the well, cleaning the pipe at a seat seal position of a packer, and pulling out the pipe cleaning column; driving a multifunctional combination operation process device for the injection pump unit into the well; feeding prepad fluid or fracturing fluid into the well by an oil pipe, and closing a sleeve valve so that the fluid enters a target layer through a flow passage when the pressure of the oil pipe is more than the pressure of the sleeve; closing the well to react; opening the well, and emptying the discharged fluid from the oil pipe until the pressure at a wellhead is zero and no overflow is generated; pressing by reverse circulation so that the pressure of the sleeve is 15MPa higher than oil pressure, and communicating the empty flow passage of an oil lantern ring; cleaning the well in a reverse circulation mode by clear water; testing the discharged fluid, namely, feeding a fixed valve and a sinking pump into a working cylinder from the wellhead, solving the yield of the discharged fluid and testing the pressure of strata; and stopping pump drainage after the fluid is drained for 30 minutes. The device comprises the working cylinder outside which a sliding sleeve is arranged and inside which the sinking pump and the fixed valve are arranged, and a pressure gauge is arranged in the sinking pump.

The invention discloses an intelligent OBU (on board unit) carried by a ship and based on a wireless sensing technology. The intelligent OBU carried by the ship and based on the wireless sensing technology is an onboard terminal device which uses the wireless sensing technology to locate the ship and recognize identity of the ship. The onboard terminal device is composed of an RFID (radio frequency identification device) module, a satellite positioning module, a wireless ad hoc network module, a master control module, a power module and a human-computer interaction module. The wireless sensing technology is an intelligent ad hoc network technology which adopts an IPV6 (internet protocol version 6) communication protocol to perform enveloping processing on data. Positioning and identity data of the ship is transmitted to a computer system by using the wireless sensing technology, and basic data support is provided to business software. The computer system achieves the functions of positioning and tracking the ship in real time, inquiring trajectories of the ship, recognizing the identity of the ship and the like by processing the satellite positioning data and the identity recognition data of the ship, and therefore the intelligent OBU carried by the ship and based on the wireless sensing technology plays an important role in promoting improvement of remote management of inland ships and enhancement of shipping information management and service levels of the inland ships.

The invention discloses a wall panel component and a preparation method thereof. The wall panel component comprises a substrate and a plurality of wall panels. The substrate comprises a front face and a back face, and a first side and a second side which are far away from each other. The first side and the second side of the back face are respectively fixed with a first male buckle and a first female buckle, wherein the first male buckle is suitable for the first female buckle. The left side and the right side of the back face of each wall panel are respectively fixedly adhered with a second male buckle and a second female buckle; the second male buckle is suitable for the second female buckle, wherein the second male buckle and/or the second female buckle is fixedly connected to the front face of the substrate, the second male buckle and the second female buckle of every adjacent left and right wall panels are fastened, such that the wall panels are in split joint and fixedly arranged on the front face of the substrate.

The invention belongs to the technical field of paint and particularly relates to a clear polyurethane seal primer and a preparation method thereof. The clear polyurethane seal primer is prepared from a component A and a component B, wherein based on the total mass 100% of the component A, the component A is prepared from 75%-79% by mass of an alkyd resin solution, 0.1%-0.3% by mass of a defoamer, 3%-5% by mass of polypropylene wax powder, 6%-8% by mass of xylene and 9.7%-13.9% by mass of first butyl acetate; based on the total mass 100% of the component B, the component B is prepared from 73%-75% by mass of an aromatic isocyanate adduct and 25%-27% by mass of second butyl acetate. The clear polyurethane seal primer has good seal effect and excellent filling performance simultaneously, seal performance and filling performance can be both achieved by constructing one seal primer, so that the primer construction times can be reduced, and cost of a construction process is saved.

The invention relates to the technical field of anticorrosive paint, in particular to water-based anticorrosive paint, preparation and application in the field of concrete structure protection. The water-based anticorrosive paint comprises a component jia and a component yi, the component jia is prepared from, by weight, 10-20 parts of water-based fluorocarbon emulsion, 10-20 parts of water-basedsilane emulsion, 40-60 parts of water-based epoxy emulsion, 5-10 parts of kaolin, 10-15 parts of talcum powder, 5-10 parts of precipitated barium sulphate, 0.5-1.2 parts of wetting dispersant, 0.5-2parts of defoaming agent, 0.1-0.5 part of neutralizer, 3-10 parts of film forming auxiliary agent, 0.1-0.5 part of thickening agent and 7-15 parts of water, and the component yi is water-based alicyclic amine curing agent. The paint has two functions of sealing primer and finishing paint, has excellent weather resistance performance, adhesive force, alkali resistance performance and concrete permeability, is small in environmental pollution, and can be widely applied to concrete structures of urban viaducts.

The invention relates to a method for oil displacement by activating indigenous microbes through slow release action, belonging to the technical field of biological oil displacement. The method for oil displacement by activating indigenous microbes through slow release action is characterized by comprising steps as follows: indigenous microbes are activated to increase the quantity of beneficial indigenous microbes and the concentration of beneficial metabolites of the microbes, improve the properties of crude oil and enhance the oil recovery ratio; and nutrient substances for the microbes are wrapped by particles having slow release action and injected into the stratum along with injection water, and the microspheres wrapping the nutrient substances slowly release the nutrient substances in the stratum, thus providing nutrition to the indigenous microbes. The invention has the advantages that the process is simple to realize and convenient to operate, the nutrition loss can be reduced, the waste can be avoided, the microbial growth is promoted, the number of construction times is decreased, the on-site workload is reduced, the particles can be completely degraded by the microbes, the permanent stratum blockage can not be caused, the application is wide and the like.

The invention provides an accessing method, an access system, and an access gateway for the application of a broadband service network. The invention comprises: accessing all the applications of broadband service networks, (the application of each broadband service network comprises at least one service capacity); triggering the process of authentication of the service capacity; asking for reserved resource after the authentication is approved; scheduling the allocation principle and the application principle of the service capacity when the reserved resource succeeds; combining the service capacities adaptive to the allocation principle and the application principle so as to provide the applications of the broadband service networks. The invention collectively manages and schedules the service capacities under the environment of broadband service network, and can satisfy the diversity of the service capacities and the applications in the broadband service network.

The invention discloses a recharge well construction method adopting electroosmosis. The method comprises the following steps: determining groundwater level depth and soil layer lithologic distribution of a recharge field; according to a recharge target aquifer, constructing multiple recharge tube wells on the same side outside a foundation pit, performing a pumping test and a recharge test on the recharge tube wells to determine a permeability coefficient, a recharge influence radius and a recharge quantity; further determining a recharge scheme according to results of the pumping test and the recharge test, and constructing other recharge tube wells outside the foundation pit in the recharge field; arranging electrodes in positions certain distances away from the corresponding recharge tube wells and on one sides, away from the foundation pit in the recharge field, of the recharge tube wells; connecting the recharge tube wells through wires to form a recharge tube well conductive circuit, connecting the electrodes to form an electrode conductive circuit, connecting the recharge tube well conductive circuit with a power cathode, and connecting the electrode conductive circuit with a power anode. With adoption of electroosmosis, the permeability of soil mass around the recharge wells is improved, dissipation of recharge water is accelerated, and interference in the groundwater environment can be reduced.

The invention relates to the field of tuber mustard processing, in particular to a new process for shortening fermenting period of salted tuber mustard. A heat exchanger is adopted to heat running tuber mustard salt water so that the temperature of the salt water rises to a temperature range appropriate for the growth of lactic acid bacteria so as to shorten fermentation time; a control valve is arranged at the inlet of a hot water pipeline connected with the heat exchanger to control water flow and control the temperature of hot salt water at 35-45 DEG C; thermometers are respectively arranged at the inlet of a hot water pipe of the heat exchanger, the inlet of a salt water pipe I and the outlet of a salt water pipe II; since the temperature is controlled within a range appropriate for beneficial bacteria, other bacteria are inhibited from growing, the fermented tuber mustard is more fragrant and purer as compared with the original method, the heat exchanger is adopted to control thetemperature, the fermentation time of the traditional process is shortened to less than two months from four months, the tuber mustard stock of a manufacturer and the quantity of salt ponds for storing the tuber mustard are reduced, thus invested fixed assets and working fund can be reduced and the quality of salted tuber mustard is improved.

The invention provides a halogen-free low-smoke flame-retardant fireproof power control composite braided shielding flexible cable for city track traffic. The cable comprises a DC power cable core and at least two control wire cores, each control wire core comprises a control wire core conductor and a control wire core insulation part, and the control wire cores are concentrically twisted outside the DC power cable core to form a control wire core layer; DC power cable core successively comprises DC power cable conductors, an extruded DC power cable insulation part and an extruded first fireproof inner sheath layer from the inside to the outside; and the control wire core layer externally successively comprises a wrapped first frame-retardant band, a longitudinally wrapped aluminum plastic composite tape, an extruded second fireproof inner sheath layer, a copper wire and coating flame-retardant material layer and an extruded oversheath layer from the inside to the outside. The cable provided by the invention has the advantages of quite high insulation performance, A-grade flame retardation, low smoke, zero halogen, fire resistance, water resistance, mice and ant resistance, ultraviolet prevention, electric field interference immunity, good flexibility, good bending performance and compact structure, and can realize power transmission and control, signal, protection and measurement functions.

The invention relates to a method for ground fire extinguishing drilling cracking of an irregular goaf in a coal mine, and belongs to the technical field of coal mine fire prevention. The method comprises the steps of selecting drilling holes drilled into remaining coal pillars of the goaf, injecting a lower nozzle of a high pressure resistant low temperature pipe into the bottoms of the drillingholes, using a sealing material to prepare a sealing section around the lower nozzle of the high pressure resistant low temperature pipe at a distance of 5 meters above the high pressure resistant lowtemperature pipe, using a booster pump to introduce high pressure carbon dioxide through an upper nozzle of the high pressure resistant low temperature pipe to form pressed cracks on the remaining coal pillars of the goaf, and pouring a fire extinguishing material and high pressure carbon dioxide mixture from the upper nozzle of the high pressure resistant low temperature pipe through the boosterpump.

The invention discloses a horizontal duct wall penetrating system and a construction method thereof. The horizontal duct wall penetrating system comprises a duct assembly, a fixing ring and a sealinglayer; the duct assembly horizontally penetrating through the wall and includes a duct, a casing arranged on the outer side of the duct in a sleeving mode, and a connecting assembly that connects theduct to the casing fixedly; the length of the casing is adapted to the thickness of the wall, and a gap is reserved between the casing and the duct; a fireproofing plugging material is filled in the gap; the connecting assembly include a bolt, an outer washer and an inner washer; the bolt is arranged in the casing, the fireproofing plugging material and the duct in sequence in a penetrating mode;the outer washer is arranged between the outer wall of the casing and the bolt in a laid mode, and the inner washer is arranged between the inner wall of the duct and the bolt in a laid mode; and thefixed ring is arranged on the duct in a sleeving mode, the duct is fixed to the inner side face of the wall, and the sealing layer is sealed on the outer side of the fireproofing plugging material. Bymeans of the horizontal duct wall penetrating system, the technical problems that when a traditional duct is installed, the danger is high, the labor consumption is high, the casing is easily pressedto be broken, and the plugging effect is not good.

The invention discloses a method for increasing the wireless communication capacity in a local region. The method is applied to a global system for mobile communications (GSM). The method comprises the following steps: at least one second sector with the traffic being lower than a second set value is selected from the base station of a first sector or an identical address base station when that the traffic of the first sector reaches a first set value is determined; marks in the second sector are sent to the terminal in the coverage area of the first sector; and terminal uplink transmits data and carries the marks in the second sector. By adopting the invention, the problem of jamming is solved, meanwhile, the address selection process is avoided, and the quantity of base station construction is reduced if jamming occurs in part of sector only. The invention discloses a communication system and a network subsystem.

The invention relates to elastic latex paint provided with the functions of dewfall prevention and mildew-proof. The elastic latex paint comprises a pulping component and a paint mixing component, wherein the pulping component and the weight ratio thereof adopt that water occupies 8 percent to 10 percent, propanediol occupies 2 percent to 5 percent, dispersant occupies 0.4 percent to 0.8 percent, wetting agent occupies 0.2 percent, antifoaming agent occupies 0.2 percent, antiseptic occupies 0.15 percent, dry film anti-mildew agent occupies 0.6 percent, anatase titanium dioxide occupies 4 percent to 7 percent, expanded perlite occupies 20 percent, calcined kaolin occupies 7 percent, diatomite occupies 10 percent, and heavy calcium 800 head occupies 8 percent; the paint mixing component and the weight ratio thereof adopt that elastic emulsion occupies 30 percent to 40 percent; film forming additive occupies 0.5 percent, antifoaming agent occupies 0.2 percent; pH conditioning agent occupies 0.15 percent to 0.2 percent, 20 percent of aqueous solution of thickener occupies 4 percent to 5 percent, leveling agent occupies 1 percent to 1.5 percent, and the residual is water. The elastic latex paint is used for preventing the breeding of the mildew and the dewing on the inner wall of the cigarette factory, and the elastic latex paint has the advantages of economy and practicality, obvious efficacy, and is simple and convenient for manufacturing, storage and transportation.

The invention relates to an acrylic polyurethane finish for rail traffic vehicle interiors and a preparation method thereof. The acrylic polyurethane finish for rail traffic vehicle interiors comprises paint and a curing agent. The paint comprises (by weight): 30-40 parts of high-solid polyether-modified low-hydroxy acrylic resin, and 10-25 parts of tetrafluoro-modified high-solid high-hydroxy polyester resin. The curing agent comprises (by weight): 58-62 parts of a solvent-free fatty polyisocyanate trimer and 1-3 parts of a polyurethane dehydrant. The invention mainly aims to obtain acrylic polyurethane finish with low VOC residual quantity and excellent coating property. The finish can satisfy customers' demand for performance requirement and environmental requirement of coating of relative products, the problem of heavy pungent smell of an existing solvent type product for rail traffic vehicle interiors is solved, and a comfortable and environmentally-friendly interior environment is created for passengers in rail traffic vehicles.