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40results about How to "Increase rebound strength" patented technology

Solid control system applied to desert oil drilling process

The invention discloses a solid control system applied to a desert oil drilling process. The solid control system applied to the desert oil drilling process comprises a sieving box, a vibration motor, a supporting plate and a blowout prevention device. A feeding opening is formed in the position above one end of the sieving box, the other end of the sieving box is provided with a solid phase discharging opening, the sieving box is internally provided with a screen cloth frame, the screen cloth frame is internally provided with screen cloth, a liquid phase discharging box communicated with the sieving box is arranged below the solid phase discharging opening, the bottom of the liquid phase discharging box is provided with a liquid phase discharging opening, the side face of the liquid phase discharging box is connected with an exhaust column, the exhaust column is connected with an exhaust fan, and a plurality of spring baffle devices are arranged on the screen cloth frame at equal intervals in the direction from the feeding opening to the solid phase discharging opening. By means of the solid control system, after drilling fluid knocks the screen cloth, the liquid phase separated from solid phase particles enters the position below the screen cloth more easily, the screen cloth cannot be blocked, the handling capacity of a drilling fluid vibrating screen to the drilling fluid is increased, knock impulsive force generated when the drilling liquid knocks the screen cloth is increased, and the solid phase particles can be separated from the liquid phase more easily.
Owner:大庆市瑞斯德石油机械制造有限公司

Carpet retracting device

The invention belongs to the technical field of cleaning supplies, and particularly relates to a carpet retracting device. The carpet retracting device aims to solve the problems that in the long carpet retracting process in the prior art, most of carpet retracting is manually operated, and dust, sundries and the like on the surfaces of the carpets are mostly directly collected into the carpets. According to the scheme, the carpet retracting device comprises a rack, a supporting frame is fixedly installed at the top of the rack, rolling wheels are installed on the two sides of the rack throughbearings, multiple pairs of guide rollers are installed inside the rack through bearings, a top cover is installed at the top of the rack through a hasp lock and a hinge, and a cover body is fixedlyinstalled at the top of the top cover. According to the carpet retracting device, by means of resilience of a movable rod and an elastic pressing rod, in cooperation with deformation swing of an elastic loosening mechanism, dust, sundries and the like in gaps of decorative surfaces of the carpets are removed and fall off at a partition plate, then the cleaning work of the carpets is completed in the carpet retracting process, the carpets can be conveniently used next time, the carpet retracting efficiency is improved, and the labor amount of workers is reduced.
Owner:李盘晓

Wear-resistant type gasket formula and preparation method

The invention relates to the technical field of rubber gaskets, and in particular to a wear-resistant type gasket formula and a preparation method. The preparation method comprises the wear-resistanttype gasket formula and steps of plastication, mixing, preparation for vulcanization, compression moulding and vulcanization forming. The wear resistance and compressive resilience force of the rubbergasket are effectively increased, so that the gasket can play a better cushioning role in equipment.
Owner:温州瑞榕汽车零部件制造有限公司

Device for separation of solid phase and liquid phase in drilling fluid

ActiveCN105863533AEasy to collectThe speed of liquid phase sieving is acceleratedFlushingWell drillingEngineering
The invention discloses a device for separation of a solid phase and a liquid phase in drilling fluid. The device comprises a sieve box, a vibration motor, tension springs, a blowout preventer and a shield. Two ends of the sieve box are provided with a feeding port and a discharging port respectively, a sieve frame and a coarse screen are arranged in the sieve box, a fine screen is arranged below the coarse screen, concave grooves are formed between the coarse screen and the fine screen and provided with through holes and extend from the discharging port to the feeding port, and a liquid phase receiving plate is arranged in the concave grooves and parallel to the coarse screen. The device further comprises studs which pass through the through holes of the concave grooves to penetrate the liquid phase receiving plate, and a plurality of spring stop devices are arranged at equal intervals on the sieve frame. The device has the advantages that in an early stage of exploitation, screening speed of the liquid phase in the drilling fluid is increased, and treatment capacity of a drilling fluid vibration sieve is improved; in a later stage of exploitation, even solid-phase particles are smaller in size, the drilling fluid can be screened by the screens, and accordingly separation efficiency of the drilling fluid vibration sieve is improved.
Owner:CHENGDU ZHIRONG ZHICHUANG INTPROP MANAGEMENT CO LTD

Concrete surface anti-carbonization curing agent, preparation method and application thereof

The invention provides a concrete surface anti-carbonization curing agent, a preparation method and application thereof. The concrete surface anti-carbonization curing agent comprises the following raw materials in parts by weight: 150 to 230 parts of alpha-methacrylic acid, 190 to 240 parts of sodium thiocyanate, 70 to 90 parts of acrylic emulsion, 2 to 4 parts of 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 170 to 190 parts of nano silicon dioxide, 35 to 45 parts of nano montmorillonite powder, 1 to 3 parts of hydroxypropyl methyl cellulose, 1 to 3 parts of industrial ethanol and 195 to 206 parts of water. According to the invention, after the curing agent is sprayed on the surface of concrete, a thin compact nano-film can be quickly formed on the surface, so that the evaporation speed of water on the surface of the concrete can be remarkably reduced in a dry and windy severe environment; and the curing agent contains the anti-carbonization component and the permeation component, so that under the synergistic effect of the anti-carbonization component and the permeation component, the curing agent can effectively act on the concrete surface, and the carbonization depth of the concrete surface is obviously reduced.
Owner:SICHUAN HUASHI GREEN HOMELAND BUILDING MATERIALS

Basalt fiber composite novel wall material and preparation method thereof

The invention discloses a basalt fiber composite novel wall material and a preparation method thereof, wherein the basalt fiber composite novel wall material is prepared from the following raw materials by weight: 0.6-0.8% of basalt fiber yarns, 0.3-0.7% of basalt fiber grid cloth, 24-25% of fast hardening sulphoaluminate cement, 40-45% of river sand, 1-3% of screw thread steel, 5-7% of reinforcing steel bars, 2-5% of channel steel, 0.3-0.4% of flame-retardant foam, 13-15% of water, 0.24-0.3% of expanded perlite, 2.9-3.2% of an adhesive, 0.12-0.15% of an early strength agent or a retarder, 0.6-0.8% of a styrene-acrylic emulsion, 0.24-0.26% of ferrous sulfate, 0.49-0.51% of calcium and magnesium powder, and 0.98-1% of a concrete surface reinforcing agent. According to the invention, the wall material prepared from the components according to the specific ratio according to the architectural conventional method has characteristics of uniform thermal expansion and cold contraction, goodtoughness and breakage resistance, has weak alkality so as not to easily corrode iron, aluminum and other metal materials, further has advantages of light weight, environmental protection, high strength, good toughness and low energy consumption, can be freely modeled according to molds, and is suitable for popularization in the building material field.
Owner:乐山一拉得电网自动化有限公司

Improved numerical control lathe

InactiveCN113103054AImprove self-cleaning efficiencyTo achieve the purpose of cleaning and collectingMaintainance and safety accessoriesNumerical controlClassical mechanics
The invention discloses an improved numerical control lathe. The improved numerical control lathe comprises a shell, and is characterized in that the top of the shell is fixedly connected with a control frame; the bottom of the inner side of the shell is fixedly connected with a base; the side, far from the shell, of the base is fixedly connected with a fixed slide block; the side, far from the base, of the fixed slide block is slidingly connected with a tool apron; a fixture is mounted on the inner wall of the shell; one side of the shell is slidingly connected with a slide door; one side of the slide door is fixedly connected with a door handle; a magnetic device is mounted on the inner wall of the shell; a taking port is formed in the side, near the magnetic device, of the shell; one side of the taking port is rotationally connected with a baffle plate; a rectangular groove is formed in the side, near the slide door, of the shell; and an ejection device is mounted on the side, near the rectangular groove, of the slide door. The invention relates to the technical field of numerical control lathes. By the improved numerical control lathe, the purpose of cleaning and collecting iron chips in mold machining is realized, and the self-cleaning efficiency of the lathe is improved.
Owner:商志全

Quick-change lock and agent applying machine specially for cotton by means of quick-change lock

The invention provides a quick-change lock and an agent applying machine specially for cotton by means of the quick-change lock. The quick-change lock comprises a connecting base, a movable pin, an elastic part and a tube sleeve; the connecting base is fixedly connected with the tube sleeve, the elastic part is arranged in the tube sleeve, and the movable pin penetrates the tube sleeve in the axial direction and extends into the connecting base; the end, away from the connecting base, of the elastic part is fixedly connected with the tube sleeve, and the end, close to the connecting base, of the elastic part is fixedly connected with the movable pin; the movable pin can move in the axial direction in the tube sleeve, and a spraying device is fixedly connected to the lower portion of a spraying cantilever through the quick-change lock; a connecting column is arranged on a branch device, the cross section of the connecting column is in the same shape and size as a running hole in the connecting base, multiple through holes are formed in the upper end of the connecting column, and the diameters of the through holes are equal to the diameter of the movable pin. The quick-change lock and the agent applying machine specially for the cotton by means of the quick-change lock have the advantages that installation is easy, operation is convenient, a spraying mechanism can be quickly changed, adjusting operation is easy and fast, the agent applying area is broad, the cost is low and the efficiency is high.
Owner:NANTONG HUANGHAI CHEM MACHINERY

Small intelligent sweeping robot with protection function

The invention provides a small intelligent floor sweeping robot with a protection function. The small intelligent floor sweeping robot with the protection function comprises a floor sweeping robot body, a motor is fixedly installed on the inner wall of the top of the floor sweeping robot body, and a rotating shaft is fixedly installed at an output shaft end of the motor. The small intelligent floor sweeping robot is reasonable in design and good in practicability, impact force borne by the floor sweeping robot body can be effectively buffered and damped, the effective anti-collision protection effect on the floor sweeping robot body is achieved, the service life of the floor sweeping robot body is prolonged, and when the floor sweeping robot body collides with a wall or furniture, a plurality of first arc-shaped paddles and a plurality of second arc-shaped paddles are quickly rotated and unfolded and are in contact with the wall or furniture, so that the floor sweeping robot body can deviate or steer, the situation that the floor sweeping robot body collides with a corner or furniture with a small space and is clamped and cannot move is avoided, and the sweeping robot body can continue to clean the ground.
Owner:吴爱云

Aqueous curing agent and waterborne epoxy resin composition, and application thereof in high-permeability waterproof reinforcing coating

The invention provides an aqueous curing agent and a waterborne epoxy resin composition, and an application thereof in a high-permeability waterproof reinforcing coating. The waterborne epoxy resin composition comprises, by weight, 100 parts of epoxy resin, 5-30 parts of a reactive diluent, 130-170 parts of an aqueous curing agent and 1-5 parts of a permeation enhancer. The aqueous curing agent isprepared through a reaction of phenol, polyetheramine, polyamine and formaldehyde according to a molar ratio of the phenol to the polyetheramine to the polyamine of 1:(0.8-1):(0.8-1.5), and is obtained through the following steps: performing a primary Mannich reaction on the phenol, polyetheramine and a first part of formaldehyde same to the polyetheramine in molar weight; and performing a secondary Mannich reaction on the remaining phenol, the obtained polyetheramine-phenol reaction product, the polyamine compound and a second part of formaldehyde, wherein a molar ratio of the polyamine compound to the second part of formaldehyde is 1:(1-1.2); and the molecular weight of the polyetheramine is 1000 to 2100.
Owner:江苏丰彩建材(集团)有限公司 +2

Toughened antistatic dual-functional plastic master batch for direct injection molding and preparation method thereof

ActiveCN109370022AGood dispersionExcellent toughening effectIonomerPolyresin
The invention belongs to the technical field of plastic modification and processing and in particular relates to toughened antistatic dual-functional plastic master batch capable of being directly used for injection molding of a plastic product and a preparation method of the toughened antistatic dual-functional plastic master batch. The dual-functional plastic master batch is prepared from the following components in percentage by mass: 75.0 to 83.0 weight percent of a vinyl elastic ionomer, 5.0 to 10.0 weight percent of a three-arm telechelic ionomer, 3.0 to 6.0 weight percent of polyvinylpyrrolidone, 5.0 to 10.0 weight percent of carrier resin, 0.03 to 0.08 weight percent of a micro-crosslinking initiator, 0.3 to 0.5 weight percent of dispersant and 0.3 to 0.5 weight percent of a lubricant, wherein the polyvinylpyrrolidone is medium and low molecular weight N-polyvinylpyrrolidone with the K value of 25 to 60. Compared with traditional plastic master batch, the plastic master batch prepared by the invention not only has good toughening and antistatic dual-functional modification effects, but also has the properties of easiness for dispersion and easiness for processing; the toughened antistatic dual-functional plastic master batch can be simply mixed with modified plastic according to a ratio and then a mixture is directly used for injection molding processing of the plasticproduct; and a good modification effect is obtained.
Owner:江苏万纳普新材料科技有限公司

Flexible waterproof cushion and preparation method thereof

The invention relates to a flexible waterproof cushion. The flexible waterproof cushion is prepared from the following raw materials by weight percent: 10-30wt% of Portland cement, 1-5wt% of concretehardening agent, 1-20wt% of strong magnetic rubber powder, 1-10wt% of fluoro resin, 1-10wt% of resin curing agent, 20-60wt% of thin sand, 1-15wt% of additive, and a proper amount of water. The flexible waterproof cushion has high flexibility, good waterproof performance, and high durability, can be used as a cushion between a steel keel structure body and a reinforced concrete strip foundation, and is used in the field of thin-walled light steel structure assembled buildings.
Owner:GUANGDONG BAIYUN UNIV

Drilling device for plastic wood floor

InactiveCN108839104ASolve the problem of not being able to drill inclined holesImprove practicalityMetal working apparatusCamPetroleum engineering
The invention discloses a drilling device for a plastic wood floor. The drilling device for the plastic wood floor comprises a bottom plate. Supporting columns are fixedly connected to both sides of the top of the bottom plate, a supporting table is fixedly connected to the top of the supporting columns, a drilling device body is slidably connected to the surface of the supporting table, a first sliding block is fixedly connected to the back surface of the drilling device body, and the first slide block is slidably connected to an inner cavity of the supporting table. The drilling device for the plastic wood floor solves the problem that an existing drilling device cannot drill inclined surface holes by matching use of the bottom plate, the supporting columns, the supporting table, the drilling device body, the first sliding block, a telescopic rod, fixed columns, a workbench, a fixed clamping plate, an air cylinder, a movable clamping plate, a transmission box, a motor, a cam, a sliding rail, a second sliding block, a transmission rod, a spring, an anti-skid pad, a plastic wood floor body, a return spring, supporting legs and an anti-skid base, and the drilling device for the plastic wood floor has the advantage of inclined surface drilling, improves the practicability of the drilling device and improves the efficiency of the drilling device.
Owner:安吉柏森塑木材料有限公司

Improved structure of shale shaker screen for offshore drilling

The invention discloses an improved structure of screen cloth of a mud vibrating screen for marine drilling. The improved structure comprises a screen cloth frame, the screen cloth, a guide rail, a rail protection plate and sliding blocks, wherein a plurality of fixed baffles are arranged on the screen cloth frame; springs perpendicular to the fixed baffles are mounted on the side surfaces, facing to the inlet of the screen cloth, of the fixed baffles; the springs are connected with buffering pads; mobile baffles are parallel to the fixed baffles; rotating shafts parallel to the normal direction of the screen cloth frame are arranged at the positions, positioned on the screen cloth frame, of the mobile baffles; threads are formed on the side surfaces, close to the bottom ends, of the rotating shafts; the bottom ends of the rotating shafts penetrate through the mobile baffles and are inserted into screw holes formed in the screen cloth frame; the side surfaces of the mobile baffles are in contact with the buffering pads. According to the improved structure, a liquid phase and a solid phase in drilling fluid are further separated, to enhance the screening effect and avoid loss of the recyclable liquid phase due to the fact that the liquid phase in the drilling fluid moves to an outlet of the screen cloth along with the solid phase without being separated from the solid phase during screening; therefore, the use cost of the drilling fluid is reduced, and the environment is protected.
Owner:广州智创知识产权运营有限公司

A kind of concrete release agent and preparation method thereof

The invention relates to the technical field of concrete release agents, in particular to a concrete release agent and a preparation method thereof; the concrete release agent comprises: emulsified oil, the emulsified oil contains heat conduction oil and a co-emulsifier, and the co-emulsifier The antirust agent is diisobutyl dibasic acid; the antirust agent is selected from one or more mixtures of fatty acids, alcohol amines, sodium nitrite, and sodium carbonate. The concrete release agent provided by the invention has good corrosion resistance, excellent thermal conductivity and thermal cracking resistance, can quickly conduct local heat of concrete, improve rebound strength, avoid surface temperature cracks formed during concrete molding, and become After the film, the co-emulsifier will volatilize, will not affect the characteristics of the release agent, and can effectively shorten the drying and film-forming time of the release agent, which has a very wide market application prospect.
Owner:KZJ NEW MATERIALS GROUP CO LTD

Contact structure

The invention discloses a contact structure, and belongs to the technical field of electrical equipment, the contact structure comprises a moving contact and a shell used for accommodating the moving contact, the moving contact is provided with a contact end abutted against a static contact and a non-contact end far away from the static contact, the non-contact end is provided with a cavity used for accommodating accessories, and a first spring is clamped in the cavity. The lower portion of the non-contact end of the moving contact extends to be provided with a limiting portion, moving contact supports are arranged on the two sides of the moving contact, a contact shaft and a second spring are assembled in the moving contact supports, the axial surface of the contact shaft is inclined and tangent to the limiting portion, and a round first spring is assembled in the moving contact. The first spring is used for applying a counter-acting force after the first spring deforms, the rebound strength of the moving contact is improved, the contact shaft and the second spring are assembled in the moving contact support, the end face of the contact shaft is of an inclined face structure, and the inclined face part is tangent to the limiting part to achieve abutting connection, so that the retaining force of the moving contact is more concentrated, and the whole moving contact is more stable.
Owner:诚硕电气有限公司

a rebound slide

The invention discloses a rebound slide rail. The rebound slide rail comprises a lower slide piece, a fixed frame, a sliding piece, an upper sliding piece, a push piece and a clamping base, wherein the fixed frame is arranged in the lower sliding piece and comprises a fixed base clamped in the lower sliding piece and a slide rail base arranged on the fixed base, a first clamping column is arranged in the fixed base, the sliding piece is movably arranged in the slide rail base, the upper sliding piece is arranged on the lower sliding piece, the push piece is arranged between the lower sliding piece and the upper sliding piece and used for pushing the sliding piece to move towards the fixed base, the clamping base is arranged in the upper sliding piece through a fixing part, the end, away from the fixing part, of the clamping base is provided with a baffle for clamping the first clamping column, at least one spring is arranged on the slide rail base, one end of the spring is connected with the end, away from the fixed base, of the slide rail base, and the other end of the spring is connected with the sliding piece. In this way, the rebound slide rail is stable in connection performance, large in rebound force and long enough in rebound distance and greatly improves the user experience.
Owner:刘真均

Double-end butt joint processing machine tool

The invention discloses a double-end butt joint machine tool, and relates to the technical field of machine tool equipment, the double-end butt joint machine tool comprises a main body, a damping device is arranged above the main body, a clamping mechanism is arranged above the damping device, a pulling shaft is arranged above the clamping mechanism, one side of the pulling shaft is provided with a second machine head, and the other side of the pulling shaft is provided with a second machine head; a rotating gear is arranged on one side of the second machine head, and a motor is arranged at the lower end of the rotating gear. Under the combined action of the spring seats, the bearings, the damping springs, the bolts and the dampers, the situation that the machining quality of parts is affected due to vibration of a machine tool during part machining can be avoided, the vibration amplitude of the machine tool can be reduced, and therefore the parts are more stable during machining; under the combined action of the concave block, the upper notch, the lower notch, the butt joint ring, the inner sleeve, the locking piece, the reset spring, the inserting piece and the pipe column, the movement direction of a part cannot be changed when the part is in butt joint with the first machine head and the second machine head, directional butt joint can be achieved, and the butt joint quality of the part is improved.
Owner:唐小德

Alkali-free concrete surface protective agent and preparation method thereof

The invention discloses an alkali-free concrete surface protective agent and a preparation method thereof. The alkali-free concrete surface protective agent comprises the following raw materials in percentage by mass: 20-30% of modified fluosilicic acid, 2-8% of hydrofluoric acid, 2-4% of a chelating agent, 0.5-1.5% of a composite surfactant, 1-5% of a pH regulator and the balance of water. The preparation method comprises the following steps: preparing modified fluosilicic acid, adding water, stirring, sequentially adding hydrofluoric acid, a chelating agent and a composite surfactant, finally adding a pH regulator, and regulating the pH value to 2-3 to obtain a colorless transparent liquid, ie., the concrete surface protective agent. According to the invention, wit the alkali-free concrete surface protective agent, the compactness of the concrete surface can be effectively improved, the carbonization depth of concrete is significantly reduced, the sulfate corrosion resistance of concrete is improved, and the resilience strength is improved; and the protective agent is convenient to use, high in operability and easy to popularize.
Owner:云南凯威特新材料股份有限公司

Primary Solids Control Device for Offshore Oil Wells

The invention discloses a primary solid control device for an offshore drilling well. The primary solid control device comprises a screening box, a vibrating motor, a supporting plate, a blocking hood and a blowout prevention device. A feed inlet is formed in the upper portion of one end of the screening box, a solid phase discharge outlet is formed in the other end of the screening box, a screen frame is arranged in the screening box, and a screen is arranged in the screen frame. A liquid phase discharging box communicating with the screening box is arranged below the solid phase discharge outlet, a liquid phase discharge outlet is formed in the bottom of the liquid phase discharging box, and the side face of the liquid phase discharging box is connected with a suction pipe which is connected with a suction fan. A plurality of spring baffle devices are arranged on the screen frame at equal intervals in the direction from the feed inlet to the solid phase discharge outlet. By means of the primary solid control device, after drilling fluid impacts the screen, the liquid phase with the solid phase particles removed can enter the space below the screen more easily, the screen is prevented from being blocked, and the drilling fluid treatment amount of the drilling fluid vibratory screen is increased; and airflow enables the impact impulsive force to be increased when the drilling fluid impacts the screen, and the solid phase particles and the liquid phase can be separated more easily.
Owner:DAQING RUISID PETROLEUM MASCH MFG CO LTD

Recovery and reuse equipment for oil-based drilling fluid

The invention discloses an oil-base drilling fluid recycling device which comprises a screen box, a vibration motor and a supporting plate. A feed port is formed in the upper portion of one end of the screen box. A solid phase discharge port is formed in the other end of the screen box. A screen frame is arranged in the screen box. A screen is arranged in the screen frame. A liquid phase discharge box communicated with the screen box is arranged below the solid phase discharge port. A liquid phase discharge port is formed in the bottom of the liquid phase discharge box. A suction pipe is connected with the side face of the liquid phase discharge box and connected with a suction fan. A plurality of spring baffle devices are arranged on the screen frame at equal intervals in the direction from the feed port to the solid phase discharge port. After drilling fluid hits the screen, the liquid phase separated from solid phase particles more easily enters the position below the screen, the screen can not be blocked, the processing amount of the drilling fluid vibration screen for drilling fluid is increased, loads on the screen are reduced, hitting impact force is increased by gas flow when the drilling fluid hits the screen, and the solid phase particles and the liquid phase are more easily separated.
Owner:CHENGDU ZHIRONG ZHICHUANG INTPROP MANAGEMENT CO LTD

Novel special artificial turf for gateball court

The invention discloses a novel special artificial turf for a gateball court. The novel special artificial turf comprises a nonwoven fabric and a damping water permeation plate, wherein the middle position of the upper end outer surface of the nonwoven fabric is fixedly provided with a composite carpet base cloth, the composite carpet base cloth is located on a position between the nonwoven fabricand the damping water permeation plate, the damping water permeation plate is fixedly connected with the nonwoven fabric by virtue of the composite carpet base cloth, a number-one spring is fixedly installed inside the damping water permeation plate, the outer surface, close to the number-one spring, of the damping water permeation plate is provided with a number-one water discharging hole, and the outer surface of one side, close to the rear end, of the damping water permeation plate is provided with a number-two water discharging hole. The novel special artificial turf for the gateball court is provided with curved grass, double-side reinforcing bars and grass threaded rings, so that in the case of not using the stuffing, the surface of the turf is completely covered by grass, the costis reduced, the resilience force can be increased, the skid resistance of the turf can be improved, and the application prospect is better.
Owner:LIANYUNGANG QIQING OPTO ELECTRONICS LIGHTING

Screening equipment for oil-based drilling fluid solid control equipment based on moving baffles

The invention discloses a moving baffle based screening device of oil-based drilling fluid solid control equipment. The screening device comprises a screen frame and a screen, a guide rail and a fixed baffle are arranged on the screen frame sequentially, the longer side of the bottom surface of the fixed baffle is perpendicular to the screen frame, a slider is arranged on the guide rail, the moving baffle is mounted on the slider and parallel to the fixed baffle, a sleeve is mounted on the side face, facing the fixed baffle, of the moving baffle and is perpendicular to the moving baffle, a spring and a supporting rod are arranged in the sleeve, a spring is connected to one end, positioned in the sleeve, of the supporting rod, and the other end of the supporting rod is fixed on the fixed baffle. The moving baffle based screening device of the oil-based drilling fluid solid control equipment has the advantages that the device enables a liquid phase and a solid phase in drilling fluid to be further separated from each other, so that screening effect is strengthened, loss of the circulating liquid phase is caused by the fact that the liquid phase in the drilling fluid moves to a screen outlet along with the solid phase when not separated from the solid phase during screening is avoided, use cost of the drilling liquid is reduced and environmental protection is achieved.
Owner:定边县泽林石油工程有限公司

Device for separating solid and liquid phases in drilling mud

ActiveCN105863533BThe speed of liquid phase sieving is acceleratedIncrease throughputFlushingStops deviceEngineering
The invention discloses a device for separation of a solid phase and a liquid phase in drilling fluid. The device comprises a sieve box, a vibration motor, tension springs, a blowout preventer and a shield. Two ends of the sieve box are provided with a feeding port and a discharging port respectively, a sieve frame and a coarse screen are arranged in the sieve box, a fine screen is arranged below the coarse screen, concave grooves are formed between the coarse screen and the fine screen and provided with through holes and extend from the discharging port to the feeding port, and a liquid phase receiving plate is arranged in the concave grooves and parallel to the coarse screen. The device further comprises studs which pass through the through holes of the concave grooves to penetrate the liquid phase receiving plate, and a plurality of spring stop devices are arranged at equal intervals on the sieve frame. The device has the advantages that in an early stage of exploitation, screening speed of the liquid phase in the drilling fluid is increased, and treatment capacity of a drilling fluid vibration sieve is improved; in a later stage of exploitation, even solid-phase particles are smaller in size, the drilling fluid can be screened by the screens, and accordingly separation efficiency of the drilling fluid vibration sieve is improved.
Owner:CHENGDU ZHIRONG ZHICHUANG INTPROP MANAGEMENT CO LTD

Solid Control System Applied to Desert Oil Drilling Process

The invention discloses a solid control system applied to a desert oil drilling process. The solid control system applied to the desert oil drilling process comprises a sieving box, a vibration motor, a supporting plate and a blowout prevention device. A feeding opening is formed in the position above one end of the sieving box, the other end of the sieving box is provided with a solid phase discharging opening, the sieving box is internally provided with a screen cloth frame, the screen cloth frame is internally provided with screen cloth, a liquid phase discharging box communicated with the sieving box is arranged below the solid phase discharging opening, the bottom of the liquid phase discharging box is provided with a liquid phase discharging opening, the side face of the liquid phase discharging box is connected with an exhaust column, the exhaust column is connected with an exhaust fan, and a plurality of spring baffle devices are arranged on the screen cloth frame at equal intervals in the direction from the feeding opening to the solid phase discharging opening. By means of the solid control system, after drilling fluid knocks the screen cloth, the liquid phase separated from solid phase particles enters the position below the screen cloth more easily, the screen cloth cannot be blocked, the handling capacity of a drilling fluid vibrating screen to the drilling fluid is increased, knock impulsive force generated when the drilling liquid knocks the screen cloth is increased, and the solid phase particles can be separated from the liquid phase more easily.
Owner:DAQING RUISID PETROLEUM MASCH MFG CO LTD

Drilling fluid purification equipment based on secondary separation device

ActiveCN105921402BThe speed of liquid phase sieving is acceleratedIncrease throughputSievingScreeningEngineeringLiquid phase
The invention discloses drilling fluid purification equipment based on a secondary separation device. The equipment comprises a screening box, a vibration motor and tensioning springs. A material inlet is formed in the upper portion of one end of the screening box, and a material outlet is formed in the other end of the screening box. A screen frame and a wide-meshed screen are arranged in the screening box. A fine-meshed screen is arranged below the wide-meshed screen. A concave groove is formed between the wide-meshed screen and the fine-meshed screen and extends from the material outlet to the material inlet. Through holes are formed in the concave groove. A liquid phase material receiving plate is arranged in the concave groove and is parallel to the wide-meshed screen. The equipment further comprises studs. The studs pass through the through holes in the concave groove and penetrate through the liquid phase material receiving plate. A plurality of spring-baffle devices are arranged on the screen frame at equal intervals. In the early stage of exploitation, the screening speed of liquid phases in drilling fluid is increased, so that the treatment amount of the drilling fluid vibration screens is increased; and in the later stage of exploitation, the screens can still screen the drilling fluid even though the size of solid-phase particulates decreases, and the separation efficiency of the drilling fluid vibration screens is improved.
Owner:唐山鑫丰新材料技术有限责任公司

High-chlorine silicon slurry modified premixed concrete surface hardener and preparation method thereof

The invention discloses a high-chlorine silicon slurry modified premixed concrete surface hardener which can permeate into concrete to generate gelling substances, fill and adhere internal capillary micropores and gaps and inhibit concrete fission and erosion, thereby enhancing the surface compactness, resilience strength, hardness and wear resistance of the concrete. In addition, the invention further discloses a preparation method of the high-chlorine silicon slurry modified premixed concrete surface hardener, and the preparation method is simple, feasible, energy-saving, efficient and suitable for large-scale production.
Owner:深圳市恒星建材有限公司
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