Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

32results about How to "Solve the problem of water channeling" patented technology

Anionic water-based non-curing rubber asphalt waterproof coating and preparation method thereof

ActiveCN106398536AResolve the breakAddresses flex fatigueBituminous coatingsWater basedElastomer
The invention discloses an anionic water-based non-curing rubber asphalt waterproof coating and a preparation method thereof. The preparation method comprises the steps that 85-95 parts by mass of anionic rubber modified asphalt emulsion, 2-5 parts by mass of anionic SBR latex, 4-7 parts by mass of anionic neoprene latex, 0.1-1 part by mass of hydrophobing agent and 0.5-2.5 parts by mass of permeability-reducing agent are stirred and mixed to be uniform to obtain a component A; inorganic salt is dissolved in water, an inorganic salt solution with the concentration being 10% to 30% is prepared, and a component B is obtained; the component A and the component B are sprayed and mixed through a spraying gun according to the mass ratio being (5-15):1, and the anionic water-based non-curing rubber asphalt waterproof coating is obtained, wherein the anionic rubber modified asphalt emulsion is prepared by emulsifying matrix asphalt, a tackifier, rubber elastomers, an anionic emulsifier, a stabilizer, a PH modifier and water through a colloid mill. The product is stable in storage, environmentally friendly, free of pollution, good in non-curing effect, high in waterproof performance and simple in process.
Owner:KESHUN WATERPROOF TECH CO LTD

Vibration disturbance resistant crack leaking stoppage and reinforcement method applied to underground works

The invention discloses a vibration disturbance resistant crack leaking stoppage and reinforcement method applied to underground works. The method comprises the steps as follows: the surface of a crack is cleaned, and holes are drilled with a drilling tool crosswise along two sides of the crack and purged and washed clean; grouting nipples are mounted in the drilled holes and screwed tightly, epoxy resin grout is poured into the grouting nipples, and pouring is repeated several times for grout supplement and is stopped until the pouring pressure change is gentle; the exposed grouting nipples are removed when the fact that epoxy resin is completely cured is confirmed after pouring, and the overflow cured grout is cleaned; a V-shaped groove is opened along the crack and is cleaned, coated with an interfacial agent and filled with a sealing adhesive, surfaces of two sides of the crack are cleaned, and then an acrylic acid resin elastic coating is painted. With the adoption of the processing manner, damage to a waterproof layer due to drilling can be restored, the problems of water channeling and damage to the waterproof layer can also be effectively solved, and the problem of crack leakage is effectively solved.
Owner:盐城市康泰建筑灌浆技术有限公司 +1

Novel intelligent numerical-control constant-temperature bath device

A novel intelligent numerical-control constant-temperature bath device comprises an output water temperature display device and an automatic water temperature return device, wherein an actually-measured temperature display screen and an on-off key are wirelessly communicated with an integrated circuit board which is connected with a temperature sensor and the temperature sensor is disposed in a main water storage cavity and used for detecting temperature; an automatic water temperature tracking and adjusting device, wherein water temperature adjusting keys are wirelessly communicated with the integrated circuit board which is connected with motors, the motors are connected with a gear drive component which is rotatably connected with a constant temperature valve spool which rotates, an electronic positioning unit is used for sensing and adjusting water temperature to the set temperature, and the water temperature is displaced on the display screen; a mixed water flow adjusting and switching device, wherein the on-off key and flow adjusting keys are wirelessly communicated with the integrated circuit board which is connected with the motors, the motor are connected with the gear drive component which rotates, the gear drive component is connected with a flow valve spool which rotates, the other electronic positioning unit is used for sensing and adjusting water flow to the set flow and the switching position, the water flow and the switching position are displayed on a display panel of a remote controller, and a mark of output water volume is displayed on the display screen immediately. The novel intelligent numerical-control constant-temperature bath device has a memory function.
Owner:SUNLOT SHARES

Assembly type roof drainage system and construction method

The invention belongs to the field of roof water prevention and particularly relates to an assembly type roof drainage system and a construction method. The assembly type roof drainage system comprises a drainage assembly and a waterproof layer, wherein the drainage assembly and a roof are arranged together, and the waterproof layer and drainage pipes are arranged together. The waterproof layer comprises an impermeable layer arranged on the roof. The impermeable layer is sequentially provided with a coiled material waterproof layer, a heat preservation layer and a liner waterproof layer. The drainage assembly comprises an upper drainage pipe provided with an upper water inlet and a lower drainage pipe arranged on the periphery of the upper drainage pipe. A gap is reserved between the upper drainage pipe and the lower drainage pipe and forms a lower water inlet. The upper water inlet and the liner waterproof layer are arranged together, and the lower water inlet and the coiled material waterproof layer are arranged together.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF ENG

Rubber asphalt-based material used for concrete structured expansion joints, and preparation method thereof

The invention provides a rubber asphalt-based material used for concrete structured expansion joints. The rubber asphalt-based material comprises by mass, 35-45% of asphalt, 20-30%of softening oil, 10-20% of a modifier, 0-5% of a polyolefin elastomer, 0-6% of a plasticizer, 5-15% of tackifying resin, 0-3% of a viscosity adjuster, 0-5% of an interface agent and 0-3% of a special asphalt additive. Compared with silicone rubber and urethane room temperature sealants, the rubber asphalt-based material provided by the invention has the advantages of low requirements of bases, good wet interface cohesiveness, good weatherability, good durability, extremely excellent sealing effect and low price.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2

Preparation method and construction method of non-cured rubber asphalt paint and coil composite waterproof layer

The invention discloses a non-cured rubber asphalt paint composite waterproof layer. The composite waterproof layer is formed by bonding non-cured rubber asphalt paint and a waterproof coil which is dissolved with the non-cured rubber asphalt paint. The composite waterproof layer gives full play to respective technological advantages of the non-cured rubber asphalt paint and the waterproof coil and a full-interface closed seal structure is formed by bonding the non-cured rubber asphalt paint and the waterproof coil firmly, thus achieving the aims of repairing and sealing cracks of subbases and capillary interstices and effectively preventing water channelling and water leakage between the composite waterproof layer and subbases.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF ENG

Construction technology for reconstructing durable waterproof layer by using minimally invasive method

The invention discloses a construction technology for reconstructing a durable waterproof layer by using a minimally invasive method. Firstly, defects of a construction surface are treated; 2-8 grouting holes are formed per square meter of the construction surface, and hollow needles connected with feed valves are embedded in the grouting holes in a connection mode; secondly, epoxy acrylate is injected in the grouting holes to serve as a back-surface filling agent to reinforce a back-surface layer, and an AHA turbine sealant is injected in the grouting holes; after the AHA turbine sealant overflows from the hollow needles in every two adjacent grouting holes, the feed valve on the previous hollow needle is closed, and then the AHA turbine sealant is injected again in the hollow needles where the AHA turbine sealant overflows until all the feed valves are in a closed state; after the AHA turbine sealant is cured for 24 hours, the hollow needles are removed, and the grouting holes are blocked off. The construction technology has the following advantages that the process is simple, labor is saved, energy conservation and environmental protection are achieved, and resources are saved.
Owner:韩旭 +1

Well cementation oil well cement composition and preparation method thereof

ActiveCN111362656AGood comprehensive performance indexGood practical engineering application effectSolid waste managementCarbon fibersFirming agent
The invention relates to a well cementation oil well cement composition. The oil well cement composition comprises the following components in parts by mass: 50-60 parts of clinker, 5-10 parts of an anti-strength declining agent, 4-8 parts of a brittleness-reducing toughening agent, 2-5 parts of a high-temperature reinforcing agent, 10-20 parts of BFS and 0.5-4 parts of a dispersing agent. The anti-strength declining agent is prepared by mixing wollastonite micro-powder and metakaolin according to a ratio of 1: 4, the brittleness-reducing toughening agent is one or more of high-elastic-modulusPVA fibers, low-elastic-modulus polypropylene fibers, calcium sulfate whiskers, carbon fibers and waterborne epoxy resin containing a curing agent, the high-temperature reinforcing agent is nano SiO2sol, and the dispersing agent is an APC dispersing agent. The invention is used for solving the problem that the strength of the well cementation cement paste is easy to quickly decline and age in ahigh-temperature hydrothermal environment, and can obviously enhance the impact resistance of the cement, enhance the toughness, reduce the brittleness and improve the rheological property of the cement paste.
Owner:BAODING BAOXING OIL FIELD CEMENTING MATERIAL MFG

Fracture-hole type water-driven flexible flow regulating particle and preparation method thereof

The invention relates to the technical field of oil and gas field development, and in particular relates to a fracture-cavity type water-driven flexible flow regulating particle and a preparation method thereof, wherein the fracture-cavity type water-driven flexible flow regulating particle comprises 10%-40% by weight of N-vinylpyrrolidone, 20%-50% by weight of acrylamide, 0.1%-1% by weight of N,N'-methylene bisacrylamide, 0.1%-1% by weight of sodium formaldehyde sulfoxylate, 0.1%-0.5% by weight of ammonium persulfate, 1%-5% of clay and the balance of water. The fracture-cavity type water-driven flexible flow regulating particle has the advantages of low cost, good performance, long stable period and adjustable strength, and can effectively solve and control the water channeling problem of a surface weathering shell reservoir of a fracture-cavity type reservoir.
Owner:CHINA PETROLEUM & CHEM CORP

Non-curing rubber asphalt waterproof coating and preparing method thereof

The invention discloses non-curing rubber asphalt waterproof coating and a preparing method thereof, and relates to the technical field of waterproof coating. The coating includes, by mass, 44-54 parts of asphalt, 15-25 parts of naphthenic oil, 2-5 parts of a modifier A, 3-6 parts of a modifier B, 3-6 parts of a modifier C, 2-4 parts of rosin resin, 5-10 parts of SBR, 10-20 parts of ground calciumcarbonate, 1-2 parts of an antioxidant and 2-4 parts of a thickener, with the modifier A being modified polypropylene wax H430. The coating has a creep property and a self-healing property, is non-curing after long-term contact with air, can permanently maintain elastic-plastic colloid, has characteristic of high self-healing capability, instant adhesion after contact, difficult stripping, excellent integrated performance, a low cost and a reduced VOC content, can seal basement layer cracks and capillary openings and can adapt to complex construction operation surfaces.
Owner:中建友(唐山)科技有限公司

Waterproof leak-repairing construction method using non-cured rubber asphalt waterproof paint

Provided is a waterproof leak-repairing construction method using non-cured rubber asphalt waterproof paint. The non-cured rubber asphalt waterproof paint has the advantages of self-healing, water seepage prevention, water channeling prevention, aging resistance and never curing. The non-cured rubber asphalt waterproof paint can fill capillary holes and cracks of a base layer, a waterproof layer can be self-repaired when broken, and the water channeling problem of the waterproof layer is solved; the used non-cured rubber asphalt waterproof paint has excellent bonding performance, can be adhered to a wet base surface and can be bonded with wood or metal materials; and the waterproof leak-repairing construction method using the non-cured rubber asphalt waterproof paint can be applied to building roofs, basement top plates and side walls, subways, tunnels, bridges, pipe openings, external corners, internal corners and deformation joints.
Owner:广州百能建筑科技有限公司

Method for building waterproof layer construction by utilizing FS101 mortar waterproof agent

The invention discloses a method for building waterproof layer construction by utilizing an FS101 mortar waterproof agent. The method comprises a first step of performing building base layer examination and clearing; a second step of performing building base layer detail treatment; a third step of coating waterproof paste and pressing waterproof mortar; a fourth step of waterproof layer aftertreatment, wherein the FS101 mortar waterproof agent is mixed with the water according to the weight ratio of 1:200 to form an FS101 mortar waterproof diluent; the process of preparing the waterproof paste comprises the step of mixing cement and the FS101 mortar waterproof agent according to a weight ratio of 1:(0.45-0.55); and the process of preparing the waterproof mortar comprises the step of mixing cement, sand and the diluent according to a weight ratio of 1:(1.5-2.5):(0.45-0.55). The FS101 mortar waterproof agent constructed by utilizing the method has a dense and flat surface and is free of defects such as cracks, sandiness and pitted surfaces.
Owner:北京龙阳伟业科技股份有限公司

Waterproof construction method for through-wall pipe position

The invention relates to the technical field of waterproof construction, in particular to a waterproof construction method for a through-wall pipe position. A base layer on the periphery of a pipeline is cleaned up, asphalt base self-adhesive waterproof roll materials are wetly laid, self-adhesive high polymer rubber strips are laid up, upward movement is performed by 300mm, polyurethane waterproof coatings are painted for 500mm within a planar range, gridding cloth is used for reinforcement, half header positions of the self-adhesive high polymer rubber strips need to be repeatedly painted, a cement mortar protection layer and the asphalt base self-adhesive waterproof roll materials are constructed by wet laying, so that the asphalt base self-adhesive waterproof roll materials are fully adhered, and the problem of water channeling can be effectively solved.
Owner:JIANGSU CANLON BUILDING MATERIALS

Creep type viscoelastic rubber waterproof coating and production method thereof

The invention provides a creep type viscoelastic rubber waterproof coating and a production method thereof, and belongs to the technical field of waterproof materials. The creep type viscoelastic rubber waterproof coating is prepared by the follow raw materials in percentage by weight: 30-40% of 90#pitch, 15-20% of thermoplastic styrene-butadiene rubber, 10-16% of butyl rubber, 8-12% of activatedviscosified resin, 7-12% of softened oil, 3-5% of a coupling reagent, and 8-10% of filler; and the activated viscosified resin is formed through mixture of viscosified resin JT-260, alkylphenol acetylene viscosified resin, and C5 petroleum resin in the quality ratio of 1 to 2 to 3-5. According to the waterproof material, adhesive property is excellent, adhesion immediately occurs when the waterproof material is touched, stripping is difficult, the adhesion can occur on the wet substrate, and the adhesion can occur with wood, metal and other base materials; and construction is convenient and efficient, knife coating and spraying can be conducted according to requirements, film formation is quick without the need of maintenance, overlap joint is not needed, and efficiency is high.
Owner:广西禹杰防水防腐材料有限公司

Modifying and flooding agent suitable for high-temperature and high-salt heavy oil reservoir and preparation method of profile control and flooding agent

On one hand, the invention discloses a modifying and flooding agent suitable for a high-temperature and high-salt heavy oil reservoir, the modifying and flooding agent is prepared from the following components in percentage by mass: 0.2-0.5% of a polymer, 0.01-0.1% of a cross-linking agent, 0.2-0.8% of a stabilizer and the balance of water, and the polymer is AM / AMPS or AM / NVP / AMPS. The invention further discloses a preparation method of the modifying and flooding agent suitable for the high-temperature and high-salt heavy oil reservoir. The modifying and flooding agent suitable for the high-temperature and high-salt heavy oil reservoir has high viscosity, the crosslinking strength is 800-1200 mPa.s, the viscosity of injected water can be greatly improved, long-term stability can be kept under the high-temperature and high-salt conditions, the water absorption profile can be effectively improved, the problem of water channeling of the injected water is solved, and the water-oil displacement effect under the high-temperature and high-salt oil reservoir condition is improved, so that the heavy oil recovery rate is increased.
Owner:CHINA PETROLEUM & CHEM CORP +1

Construction process of rebuilding durable waterproof layer through space displacement method

The invention discloses a construction process of rebuilding a durable waterproof layer through a space displacement method. The construction process includes the steps that a construction surface defect is processed; five grouting holes are drilled in the construction surface, a hollow grouting needle head connected with a feed valve is buried in the grouting hole in the center, and hollow overflow needle heads are connected into the grouting holes in the four corners in a buried mode; epoxy acrylate is injected into the grouting hole through the hollow grouting needle head and serves as back face filler to enhance the back face layer, and then an AHA turbo sealant is injected into the corresponding grouting hole; after slurry overflows from the hollow overflow needle heads, the feed valve is switched off; after the AHA turbo sealant is cured for 24 h, the hollow needle heads are removed, and the grouting holes are blocked. The construction process has the advantages of being simple, saving manpower and energy, protecting environment and saving resources.
Owner:韩旭 +1

Building mixture containing FS101 mortar waterproof agent

The invention discloses a building mixture containing an FS101 mortar waterproof agent. The building mixture is prepared by mixing the FS101 mortar waterproof agent, ordinary Portland cement, sand and water, wherein the FS101 mortar waterproof agent and the water are mixed according to the weight proportion of 1 to 150-250 to form FS101 mortar waterproof agent diluent. In the waterproof mortar making process, water, sand and the FS101 mortar waterproof agent are mixed according to the weight proportion of 1 to 2-3 to 0.45-0.55. The building mixture containing the FS101 mortar waterproof agent can be integrated with structural body concrete, and the water moving problem always difficultly solved in the waterproof process is solved.
Owner:北京龙阳伟业科技股份有限公司

Preparation method and construction method of composite waterproof layer of non-curing rubber asphalt coating and coil material

The invention discloses a non-cured rubber asphalt paint composite waterproof layer. The composite waterproof layer is formed by bonding non-cured rubber asphalt paint and a waterproof coil which is dissolved with the non-cured rubber asphalt paint. The composite waterproof layer gives full play to respective technological advantages of the non-cured rubber asphalt paint and the waterproof coil and a full-interface closed seal structure is formed by bonding the non-cured rubber asphalt paint and the waterproof coil firmly, thus achieving the aims of repairing and sealing cracks of subbases and capillary interstices and effectively preventing water channelling and water leakage between the composite waterproof layer and subbases.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF ENG

Pipe column and method for synchronous conversion of water injection and oil extraction of horizontal well based on signal control

The invention discloses a horizontal well water injection and oil extraction synchronous conversion tubular column based on signal control, which comprises a tubular pile body and a signal control system for the tubular pile body, the tubular pile body is provided with at least one tubular pile section along the extension direction of the tubular pile, and the tubular pile section is provided with a water injection pipe and an oil extraction pipe. A plurality of water injection holes are formed in the water injection pipe, and a plurality of oil extraction holes are formed in the oil extraction pipe; the signal control system comprises a signal acquisition module, a data processing module and a control module. The horizontal well is firstly built in the mining area, then the pipe pile body is led into the horizontal well rock stratum, video data collection and pressure data collection are carried out, the mining section is selected according to the collected data, finally, the separator at the corresponding position is controlled to work according to the position of the mining section, and the mining section is independent from the rock stratum. And then perforation fracturing treatment and oil exploitation are carried out.
Owner:陆建峰 +5

Filter element water stop assembly, filter element device and water purifier

The invention provides a water-stopping assembly for a filter element, which includes a water-distributing part and a water-retaining part. The water part is provided with a water retaining part docking port; the water retaining part and the water diversion part are connected through a rotating shaft structure, and the water retaining part and the water diversion part control the docking and staggering of the water diversion part docking port and the water retaining part mating port through relative rotation , to realize the connection and disconnection of the water diversion channel and the water retaining channel. Based on the above structure, the water stop component adopts the way of opening and closing water on the side, which simplifies the assembly structure, improves the smoothness of the relative rotation of the water diversion part and the water retaining part, reduces the sense of frustration during rotation, and has better control feel. In addition, the present invention also provides a filter element device and a water purifier comprising the above-mentioned water stop assembly. The filter element device has the advantages of high smoothness of rotation, good operation feel, and simplified assembly structure. The water purifier has the advantages of no water leakage, no Water channeling, easy replacement of filter elements, etc.
Owner:SHUNDE APOLLO AIR CLEANER

Creep epoxy asphalt and preparation method thereof

ActiveCN110229617AWith coating construction performanceSolve technical problemsEpoxy resin coatingsBituminous coatingsSelf-healingEpoxy
The invention discloses creep epoxy asphalt. The epoxy asphalt comprises epoxy asphalt resin, epoxy resin, a filling material and a curing agent. The epoxy asphalt resin comprises asphalt, an activator and an epoxy diluent. The creep epoxy asphalt can be used for construction at normal temperature without high-temperature heating, and still has strong creep property and self-healing, anti-channeling and anti-cracking properties after solidification, can repair damaged waterproof layers or fill cracks and repair concrete cracks, can greatly seal pores and cracks of a base layer by using viscosity of the creep material, and solves the channeling problem of the waterproof layer. In addition, the heat resistance reaches the effect that the creep epoxy asphalt has no sliding, flowing or dripping phenomena at 90 DEG C, and other physical performance indexes and construction applicability are completely qualified.
Owner:GUANGZHOU THE BOND CHEM

A kind of rubber asphalt-based material for expansion joints of concrete structure and preparation method thereof

The invention provides a rubber asphalt-based material used for concrete structured expansion joints. The rubber asphalt-based material comprises by mass, 35-45% of asphalt, 20-30%of softening oil, 10-20% of a modifier, 0-5% of a polyolefin elastomer, 0-6% of a plasticizer, 5-15% of tackifying resin, 0-3% of a viscosity adjuster, 0-5% of an interface agent and 0-3% of a special asphalt additive. Compared with silicone rubber and urethane room temperature sealants, the rubber asphalt-based material provided by the invention has the advantages of low requirements of bases, good wet interface cohesiveness, good weatherability, good durability, extremely excellent sealing effect and low price.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2

Filter element water-stop assembly, filter element device and water purifier

The invention provides a filter element water-stop assembly. The filter element water-stop assembly comprises a water distribution part and a water stop part, the water distribution part is provided with a water distribution flowing channel, the water stop part is provided with a water stop flowing channel, the water distribution part is provided with a water distribution part butt-joint opening,and the water stop part is provided with a water stop part butt-joint opening; and the water stop part is connected with the water distribution part through a rotating shaft structure, and the water stop part and the water distribution part control butt joint and staggering of the water distribution part butt-joint opening and the water stop part butt-joint opening through relative rotation so asto realize communicating and disconnection of the water distribution flowing channel and the water stop flowing channel. Based on the structure, the water-stop assembly adopts the side water connecting and disconnecting mode, thus an assembling structure is simplified, the smooth degree during relative rotating of the water distribution part and the water stop part is improved, the abrupt feelingduring rotating is lowered, and the good control hand feeling is achieved. In addition, the invention further provides a filter element device comprising the water-stop assembly, and a water purifier.The filter element device has the advantages that the rotating smooth degree is high, the operation hand feeling is good, and the assembling structure is simplified. The water purifier has the advantages that water leakage is avoided, water channeling is avoided, and a filter element is convenient to replace.
Owner:SHUNDE APOLLO AIR CLEANER

Temperature-resistant and salt-resistant flow regulating agent suitable for fractured-vuggy oil reservoir as well as preparation method and application of temperature-resistant and salt-resistant flow regulating agent

The invention discloses a temperature-resistant and salt-resistant flow regulating agent suitable for a fracture-vug type oil reservoir as well as a preparation method and application thereof, and belongs to the technical field of oil-gas field development. The temperature-resistant and salt-resistant flow regulating agent suitable for the fractured-vuggy reservoir comprises thermoplastic resin, a strength regulator, inorganic salt and white oil. The mixing plasticizing modification device is adopted for processing, adjustment of the particle size, oil-water selectivity, particle strength and particle density can be achieved, the requirement for fixed-point placement of the adjusting deep part of the fracture-cavity type oil reservoir water drive flow channel can be met, selective plugging is achieved, and therefore the recovery efficiency is improved.
Owner:CHINA PETROLEUM & CHEM CORP +1

A method for rebuilding waterproof layer with minimally invasive technology

The invention relates to the field of building repairs. A method for rebuilding a waterproof layer with a minimally invasive technique of the invention includes the steps of sealing cracks, punching holes, injecting fillers, injecting waterproof sealants, and plugging grouting holes; The method of drilling injection injects the back filler and waterproof sealant into the interior of the building wall to achieve the purpose of reshaping and rebuilding the waterproof layer; the invention provides a preparation method for the back filler and waterproof sealant, and the viscosity of the two materials It is moderate, suitable for injection filling, and has good bonding performance between the two materials, and has excellent waterproof performance after complete curing; the operation procedure of the waterproof layer reconstruction method of the present invention is simple, saves materials and manpower, and saves on the original Some wall decorations are very less destructive and have a short construction period, which can efficiently and quickly solve the problems of leakage and water channeling.
Owner:安徽墨砂工程修缮技术有限公司

A self-healing material for oil well micro-fractures and its preparation method

ActiveCN111072328BMeet various performance requirementsMeet performance requirementsDrilling compositionMicro fractureSilicon dioxide
A self-healing material for oil well micro-fractures and a preparation method thereof. The self-healing material includes the following components: cement, nano silicon dioxide, sodium silicate, magnesium oxide, fumaric acid, dispersant, reducing dehydrating agent and water. The preparation method of the self-healing material comprises the following steps: firstly, divide the water into two parts of equal mass water; then dissolve nano silicon dioxide into one part of the water; Dissolve the diacid in another part of water; then, mix the dispersant and fluid loss reducer with the cement and stir until uniform; finally mix the two aqueous solutions obtained and stir evenly; mix with the cement mixture to obtain a self-healing composite Material grout. The self-healing composite material prepared by the invention has the advantages of simple preparation method, simple operation and cheap raw materials; it can have a certain degree of self-repair ability when formation water invades oil well cement micro-cracks, and can ensure the safe production of the oil well.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Water purification equipment

The invention relates to water purification equipment. The equipment comprises a multi-way valve, a main cavity and an ozone generating device, the multi-way valve is connected to the main cavity in a matched mode and communicated with fluid in the inner cavity of the main cavity, the multi-way valve is provided with an air inlet and a water inlet, and the ozone generating device is communicated with the air inlet; when the multi-way valve is located at a target station, ozone generated by the ozone generating device enters the multi-way valve through the air inlet, liquid enters the multi-way valve through the water inlet, the ozone and the liquid are mixed in the multi-way valve, and formed gas-liquid mixed liquid enters the main cavity through the multi-way valve. By adopting the equipment, ozone can be introduced to assist in cleaning the filter material, the flux recovery rate of the filter material is improved, and the service life of the filter material is prolonged.
Owner:GREE ELECTRIC APPLIANCES INC

A kind of creep type epoxy asphalt and preparation method thereof

The invention discloses a creep type epoxy asphalt. The epoxy asphalt comprises epoxy asphalt resin, epoxy resin, filler and curing agent. The epoxy asphalt resin comprises asphalt, active agent and epoxy diluent. , this kind can be constructed under normal temperature conditions without high temperature heating, and still has strong creep performance after curing, self-healing, anti-channeling, anti-cracking performance, can repair damaged waterproof layer or fill cracks, To repair concrete cracks, the viscosity of the creeping material enables it to well seal the capillary pores and cracks of the base layer, and solve the problem of water channeling in the waterproof layer; No running water, no dripping, and other physical performance indicators and construction application performance are fully qualified.
Owner:GUANGZHOU THE BOND CHEM

Method for reconstructing waterproof layer through minimally invasive technology

The invention relates to the field of building repairing, and particularly relates to a method for reconstructing a waterproof layer through a minimally invasive technology. The method comprises the steps of crack blocking, punching, filling agent injection, waterproof sealant injection, grouting hole blocking and the like. According to the method, a back filling agent and a waterproof sealant are injected into a building wall through a drilling injection method, and the purpose of reconstructing the waterproof layer is achieved. The invention provides a preparation method of the back filling agent and the waterproof sealant. The two materials are moderate in viscosity and suitable for injection filling, good bonding performance is achieved between the two materials, and excellent waterproof performance is achieved after complete curing. The method for reconstructing the waterproof layer is simple in operation procedure, materials and manpower are saved, damage to original wall decoration is very small, the construction period is short, and the problems of leakage and water channeling can be efficiently and rapidly solved.
Owner:安徽墨砂工程修缮技术有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products