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25results about How to "Promote rupture" patented technology

Crucible packaging tool for differential scanning calorimeter

ActiveCN224208053UEven by forceEnsure pressing consistencyMaterial heat developmentCruciblesCrucibleScrew thread
The utility model provides a crucible packaging tool for a differential scanning calorimeter, which comprises a fixed shell, the bottom end of the fixed shell is connected with a base in a sliding manner, a plurality of lower dies are arranged in the base, and a crucible is arranged on the surface of each lower die; the top end of the fixing shell is slidably connected with a pressing die, a plurality of fixing holes are formed in the pressing die, and upper dies are installed in the fixing holes. The upper die is in threaded connection with the first screw, and the top end of the first screw is clamped in the fixing hole; a rubber pad is mounted between the top end of the upper die and the pressing die; a stamping block is connected into the upper die in a sliding mode, and the stamping block extrudes a crucible cover. A first spring is installed in the upper die, and the two ends of the first spring abut against the first screw and the stamping block correspondingly. The crucible packaging tool for the differential scanning calorimeter has the advantages that a plurality of crucibles can be packaged at the same time, and the packaging effect is good.
Owner:ANHUI ZHONGKE THERMOMETER TECHNOLOGY CO LTD

A glue mixing device for fiberboard production

ActiveCN224271069UEliminate Bubble ProblemsImprove defoaming efficiencyShaking/oscillating/vibrating mixersLiquid degasificationAir pumpAdhesive glue
This utility model discloses an adhesive mixing device for fiberboard production, including a mixing tank. A positioning ring is installed on the bottom side wall of the mixing tank. The outer wall of the positioning ring has evenly distributed fixing openings. An upper cylinder with an opening facing downwards is installed on the inner wall of each fixing opening. A lower cylinder with an opening facing upwards is located at the bottom of the upper cylinder. A vibration spring is installed on the inner wall of the upper cylinder, and the bottom outer wall of the vibration spring is connected to the inner wall of the lower cylinder. An air pump is installed on the top outer wall of the mixing tank. The output end of the air pump is connected to the interior of the mixing tank through a pipe. A vibration motor is fixedly installed at the center of the bottom of the mixing tank. This utility model utilizes the high-frequency vibration generated by the vibration motor driving the vibration spring, combined with the negative pressure environment created by the air pump drawing a vacuum inside the mixing tank, to effectively break down the bubble structure in the adhesive, causing the bubbles to rise rapidly and burst, thus quickly eliminating air bubbles in the adhesive.
Owner:DARE WOOD IND (ZHAOQING) CO LTD

Spinning oil defoaming device

The utility model relates to the technical field of oiling agent defoaming, in particular to a spinning oiling agent defoaming device which comprises a treatment barrel, a liquid inlet pipe is connected to the bottom of the side wall of the treatment barrel, a plurality of baffle plates are obliquely arranged at the bottom of the inner side wall of the treatment barrel in a staggered mode, a placing table is arranged on the inner side wall of the treatment barrel, and a lipophilic porous filler piece is placed on the placing table. The top of the side wall of the treatment barrel is connected with a liquid outlet pipe, a defoaming weir is arranged at the joint of the liquid outlet pipe and the treatment barrel, the top of the defoaming weir is of a sawtooth structure, the top of the treatment barrel is connected with a vacuum pipe, the vacuum pipe is connected with a vacuum pump, and an on-off valve is arranged on the vacuum pipe; the liquid inlet pipe is arranged at the bottom of the treatment barrel, so that the phenomenon that new bubbles are generated due to impact of a free falling body when an oiling agent is poured from the top is avoided, bubble generation is reduced from the source, foam on the liquid level is intercepted by the defoaming weir, a foam liquid film is damaged through the mechanical cutting action of the sawtooth edges, and it is ensured that no surface foam remains on the discharged oiling agent.
Owner:SHANGHAI JINSHENGDING CHEMICAL CO LTD

A method for removing nitrogen and phosphorus from sludge

The application provides a method for removing nitrogen and phosphorus in sludge, and relates to the technical field of sewage treatment. The method comprises the following steps: (1) sludge dewatering treatment; (2) sludge pretreatment; (3) hydrolysis acidification treatment; a mixture of divalent salt and trivalent salt is added in the hydrolysis acidification treatment, and it is unexpectedly found that the crystallinity of the layered double hydroxide formed by co-precipitation of the mixed salt solution is better, the specific surface area is larger, more carriers can be provided for microbial reproduction, the reproduction and metabolism of microorganisms are strengthened, and therefore the hydrolysis acidification efficiency of the sludge is better improved, and the nitrogen and phosphorus removal effects are obviously improved.
Owner:DASMART ENVIRONMENTAL SCI & TECH (BEIJING) CO LTD

Fine crushing device for coal processing

The utility model discloses a fine crushing device for coal processing, which comprises a frame, a feed port and a discharge port, the feed port and the discharge port are arranged at the top end and the bottom end of the frame, two rotatable crushing rollers are connected in the frame and are distributed in a staggered manner, and a plurality of crushing grooves and a plurality of crushing bulges are arranged on the surfaces of the crushing rollers. A crushing area is formed by the crushing protrusions and the crushing grooves of the other crushing roller, the rack is connected with a scraping plate used for scraping materials on the surfaces of the two crushing rollers, and the rack is connected with a driving mechanism used for driving the two crushing rollers to rotate. Local high stress can be generated when materials are extruded by the edge of the crushing groove, the materials can be promoted to be broken, fine materials can be obtained, the machining quality is improved, a traditional smooth crushing roller design is replaced, meanwhile, residual materials on the crushing roller can be scraped by the scraping plate, the crushing roller is cleaned, the situation that the crushing efficiency is affected due to material accumulation is avoided, and the service life of the crushing roller is prolonged. The practicability is high.
Owner:ZHENJIANGSHI FENGTAI HUAYAN ZHIYANG EQUIP CO LTD

Water quenching pool

The utility model relates to a water quenching pool. The device comprises a tank body, a stirring mechanism, an aeration mechanism and a circulating cooling system, the stirring mechanism is installed in the tank body through a support, the stirring mechanism comprises a stirring shaft, stirring blades and a motor, the stirring shaft is rotatably installed on the support in the vertical direction, the stirring blades are installed on the stirring shaft in the axial direction of the stirring shaft, and the stirring shaft can be driven to rotate through the motor; the aeration mechanism is mounted at the bottom of the tank body, and air can be injected into water through the aeration mechanism, so that the cooling uniformity of the casting is improved; the tank body is further connected with a circulating cooling system, and the temperature of water in the tank body can be reduced through the circulating cooling system. According to the scheme, the uniformity of the water temperature in the pool can be improved, a heat insulation steam film is damaged during water quenching, water makes continuous contact with the surface of the casting, and the water quenching effect is guaranteed.
Owner:CHUXIONG DIANZHONG NON FERROUS METALS LLC

A method for breaking emulsion of aged oil

PendingCN122256034ALarge specific surface areaInterference with subsequent process reactionsDewatering/demulsification with chemical meansSludgePhosphate
The present application relates to oil and gas field development and environmental protection technical field, especially an aging oil demulsification treatment method, comprising: mixing fly ash and sodium hydroxide, then calcining, acid leaching, then mixing with oily sludge and ferroferric oxide, reduction reaction, mixing the reduction reaction product with 3-mercaptopropyl triethoxysilane, modification reaction, to obtain magnetic adsorbent; mixing aging oil, partial phosphate and water, stirring, standing and separating, to obtain pretreated aging oil; adding magnetic adsorbent, complexing agent, wetting reverse agent and demulsifier to the pretreated aging oil, stirring, then microwave irradiation treatment, magnetic separation, vortex separation and centrifugal dewatering, to obtain purified oil. The present application removes FeS particles by magnetic adsorbent, combines with multi-assistant component synergistic demulsification and multi-field coupling physical separation, destroys the stable emulsification system of aging oil, and the process is efficient, suitable for industrial demulsification treatment of high stability aging oil.
Owner:XI'AN PETROLEUM UNIVERSITY

A cooking appliance

ActiveCN224598006UReduce the risk of entering the exhaust ductpromote rupture
The utility model discloses a cooking utensil, including the pot cover and the pot body, the pot cover and the pot body enclose the cooking cavity, the pot cover includes the cover and the vent pipe, and the cover is provided with the exhaust passage, and the vent pipe is formed with the cover cooperation exhaust chamber, and has the pipe body that extends into the exhaust passage, and the pipe body has the air inlet and the gas outlet, and the air inlet is communicated with the cooking cavity, and the gas outlet is set up in the lateral wall of pipe body to the horizontal direction, and the vent pipe still has the shielding portion that sets up at the gas outlet, and the shielding portion shields the at least partial area of gas outlet, and can move or deform relative to the pipe body to open the gas outlet. The conduction area of gas outlet can change, satisfies the requirement under different working conditions, reduces the difficulty of size design, improves the versatility. The gas outlet is set up in the lateral wall of pipe body, when the liquid in the pot boils, cannot directly surge to the gas outlet, reduces the risk that the liquid and the foam enter the exhaust passage through the gas outlet, also avoids that the liquid and the foam and the shielding portion directly contact will stick the shielding portion.
Owner:HONGYANG HOME APPLIANCES

A water spray circulation system for ultrasonic testing

ActiveCN224624482Ushort bubble contentReduce air bubble content
This utility model provides a water spray circulation system for ultrasonic testing, comprising: a water tank; a water pump, the inlet of which is connected to the water tank; a gas separation device, including a separation chamber and a defoaming plate, the separation chamber being connected to the outlet of the water pump, the inlet of the separation chamber being opposite to the defoaming plate, so that the water flow impacts the defoaming plate and flows downward along the plate surface to form laminar flow; and a water sprayer connected to the separation chamber, which contains an ultrasonic probe. The water spray circulation system for ultrasonic testing produces a water column with fewer bubbles, resulting in high detection accuracy for the tested object.
Owner:CASIC DEFENSE TECH RES & TEST CENT

Valve ball convenient to clean

ActiveCN224150204UThorough and complete cleaningImprove flow efficiencyPlug valvesFiltration separationValve stemPhysics
The utility model relates to a valve ball convenient to clean, which comprises a ball body and a valve rod positioned above the ball body, a flow cavity is arranged in the ball body, the valve ball further comprises a mounting sleeve, a left filter screen and a right filter screen, the ball body comprises an upper mounting part and a lower mounting part, the flow cavity is positioned between the upper mounting part and the lower mounting part, and the left filter screen and the right filter screen are arranged in the mounting sleeve. The valve rod is fixedly connected with the upper mounting part, the mounting sleeve is located in the flowing cavity and attached to the inner wall of the upper mounting part and the inner wall of the lower mounting part in the circumferential direction, a spiral rifling groove is formed in the mounting sleeve, and the left filter screen is detachably connected with the left side of the upper mounting part and the left side of the lower mounting part. And the right filter screen is detachably connected with the right sides of the upper mounting part and the lower mounting part. According to the valve ball convenient to clean, the left filter screen and the right filter screen are detached from the left side and the right side of the upper mounting part and the left side and the right side of the lower mounting part respectively, the upper mounting part and the lower mounting part can be separated, and then the mounting sleeve is taken out to be cleaned.
Owner:QINGTIAN HEZHONG VALVE CO LTD

Positive electrode material and preparation method thereof, battery monomer, battery device and power utilization device

PendingCN121769182AImprove structural stressIncreased structural stressCell electrodesTitanium compoundsElectrical batteryBattery cell
The invention discloses a positive electrode material and a preparation method thereof, a battery monomer, a battery device and a power utilization device. The battery monomer comprises a positive pole piece, the positive pole piece comprises a positive pole current collector and a positive pole film layer located on at least one side of the positive pole current collector, the positive pole film layer comprises a positive pole material, the positive pole material comprises an inner core and a positive pole active material with the chemical formula of LiFe1-x-yMnxMyPO4, x is more than 0 and less than 1, y is more than or equal to 0 and less than 1, and 1-x-y is more than 0 and less than 1; m is selected from one or more of IIA group elements, IIIA group elements, IVA group elements and transition metal elements; the coating material covers at least part of the surface of the inner core, and the coating material comprises a perovskite material; wherein the coating material forms a coating layer on the surface of the inner core, the coating uniformity of the coating layer is represented by a thickness value variation coefficient, and the thickness value variation coefficient of the coating layer is less than or equal to 50%. The battery monomer provided by the embodiment of the invention has improved cycle performance and high-temperature storage performance.
Owner:JIANGSU CONTEMPORARY AMPEREX TECH LTD +1

An oil-containing sludge pretreatment screening device

The utility model discloses an oily sludge pretreatment screening device belongs to oily sludge processing technical field, solved the screening efficiency low, the problem of slow mud oil separation, low impurity removal rate in the prior art, including feed bin, pretreatment device and oil -water separation device, and the oil -water separation device includes the outer tube, and the outer tube one side is provided with the feed port, and the other side is provided with the discharge gate, and the feed port outside is equipped with the first drive motor, and the first drive motor output end is connected with the rotating shaft, and the rotating shaft surface is provided with a plurality of spiral pieces, and the rotating shaft surface is provided with a plurality of emanation holes, and the emanation hole is filled with microwave emission column. The utility model utilizes oil -water separation device to screen out the impurity in oily sludge from the screening net, and the rotating shaft is rapidly extruded to the oily sludge, and the microwave emission column promotes the surface rupture of the oily sludge, realizes the quick separation of oily sewage, and sets up the magnetic conveying belt in the conveying process, and improves the impurity removal rate.
Owner:JIANGSU BOYOU ENVIRONMENTAL TECH CO LTD

Industrial juicer for deep processing of pennisetum

The present application relates to a kind of industrial juicer for deep processing of pennisetum, comprising: frame, feed hopper, pretreatment zone and residue-liquid separation zone are arranged in height on frame;Roller feeding mechanism, for material is rolled and delivered to pretreatment zone;Cutting material roller mechanism, including cutting plate being arranged in pretreatment zone, the outside of cutting plate can be movably installed cutting blade, and the bottom side of cutting blade is installed broken material compression roller;Hot softening guide mechanism, for heating softening treatment to material after roller pressing and conveying it to centrifugal separation zone;Juice separation device, including primary filter cartridge and secondary filter cartridge, the top of the secondary filter cartridge is closed and fixed with end cover plate, a plurality of residue outlets are formed in end cover plate, and lifting auger is rotatably arranged in the middle of end cover plate;Juice collection mechanism, for discharging and collecting juice.The present application can facilitate feeding and overall smooth progress of juicing process, and can effectively improve juicing effect and juicing efficiency.
Owner:INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI +1

Combined biochemical pool foam removing device

The utility model discloses a combined biochemical pool foam removing device which comprises a mounting plate, fixing frames are arranged on the two sides of the mounting plate, a mechanical foam removing mechanism and a spraying mechanism located on the periphery of the mechanical foam removing mechanism are arranged on the mounting plate, the mechanical foam removing mechanism comprises a waterproof motor arranged on the mounting plate, a foam removing box is arranged below the mounting plate, and the spraying mechanism is arranged on the periphery of the mechanical foam removing mechanism. An output shaft of the waterproof motor is provided with a rotating shaft which penetrates through the mounting plate and extends into the defoaming box, the rotating shaft is provided with at least two groups of upper and lower impellers and a plurality of defoaming rods located between the adjacent impellers, the surface of each defoaming rod is provided with a plurality of defoaming needles, the bottom of the defoaming box is provided with a defoaming groove, and the side surface of the defoaming box is provided with a liquid outlet hole; a lifting mechanism for driving the defoaming box to move up and down is also arranged between the mounting plate and the defoaming box. The device has the characteristics of reducing the cost and efficiently removing bubbles.
Owner:ZHEJIANG HUZHOU XINAN WATER CO LTD

An ice storage coil with a bottom thin ice blasting pipe and its usage method

ActiveCN116202154Bavoid imbalancepromote ruptureDucting arrangementsHeat storage plantsThermodynamicsIce storage
This invention relates to the field of pastry processing equipment, specifically to ice storage coils. An ice storage coil with a bottom thin ice venting pipe includes an ice storage coil body, which comprises a coil support, ice storage pipelines, and a venting device. The ice storage pipelines are mounted on the coil support and include an inlet manifold, an outlet manifold, a first pipe, and a second pipe. The venting device is located below the ice storage pipelines; the venting device includes a venting pipe with a first venting hole and a second venting hole. This invention improves the consistency of ice accumulation at different coil heights during ice storage and promotes the melting of the bottom thin ice during melting, thereby increasing the melting rate of the internal melting ice storage coil.
Owner:BEIJING G&C TECH CO LTD

A rectifier and a water tap

ActiveCN224706392Usmall sizeReduce bubble content
A rectifier and faucet are provided, comprising a first cavity and a second cavity. The first cavity is connected to the second cavity via a first water level passage and a first air inlet. The second cavity is connected to the atmospheric environment via a second air inlet. Air is supplied to the first and second cavities respectively through the first and second air inlets, allowing air to contact the bubbles in the water flowing through the first and second cavities, thereby increasing the size of the bubbles. After the bubbles contact the atmosphere, the bubble walls are connected to the atmosphere. Under the action of gravity, the water film at the top of the bubbles flows downward, and the surface tension causes the water film to contract and thin, causing the bubbles to burst inside the rectifier. This reduces the bubble content in the water flow, reduces the possibility of large bubbles bursting at the outlet, improves the undesirable phenomena such as water flow interruption and shaking, and enhances the user experience.
Owner:ZHANGZHOU SOLEX SMART HOME CO LTD

Power transmission line deicing device

ActiveCN224083152UImprove the perturbation effectGood deicing effectOverhead installationStructural engineeringMechanical engineering
The utility model discloses a power transmission line deicing device, which relates to the technical field of power transmission line maintenance and comprises a shell, two fixed wheels arranged on the inner top wall of the shell along the length direction of the shell, a linear transmission mechanism positioned between the two fixed wheels and capable of moving along the vertical direction of the shell, and two extrusion pieces positioned in the shell and capable of moving along the vertical direction of the shell. The extrusion part is used for bending the power transmission line and comprises an adjusting wheel and a connecting rod, the adjusting wheel is rotationally arranged on the inner bottom wall of the shell in the length direction of the power transmission line and located between the two fixed wheels, the height of the top end of the adjusting wheel is lower than that of the bottom ends of the fixed wheels initially, and one end of the connecting rod is rotationally connected to the adjusting wheel. By setting the adjusting wheel as a rotatable lifting structure and combining a multi-point arrangement mode, the power transmission line is bent and deformed at multiple positions at the same time, the disturbance effect of an ice layer can be remarkably enhanced, the cracking efficiency of an ice coating layer can be improved, and the overall deicing performance of the deicing device can be improved.
Owner:陈宇

Belt rail rupture disc and method of rupture

ActiveCN120333245Bpromote rupturerupture realizedBlastingSelf-propelled projectilesPhysicsRupture disc
The present application belongs to the field of bursting disc, and particularly relates to a track-equipped bursting disc and a bursting method, wherein the track-equipped bursting disc comprises a partitioned bursting disc, a sliding block and a connecting rod; the partitioned bursting disc comprises a plurality of support structures and a diaphragm arranged on each support structure; the sliding block is arranged in the wall of a pressure relief pipe and is used for sliding along the direction of high-pressure fluid flow; one connecting rod is arranged on each diaphragm in abutment or fixedly, and the other end of all the connecting rods is fixedly connected with the sliding block. That is, the track-equipped bursting disc is proposed, the bursting disc is designed as a partitioned multi-diaphragm form, and the synchronous rupture of the multi-diaphragm is used to replace the traditional tearing process.
Owner:CENT SOUTH UNIV

Vacuum stirring defoaming machine based on microporous resin material

The utility model discloses a vacuum stirring defoaming machine based on microporous resin materials, which belongs to the technical field of research and development of microporous resin mold materials for 3D (three-dimensional) printing and comprises a tank body, a cover body arranged at the top of the tank body, a sealing element arranged between the tank body and the cover body, a vacuum tube mounted at the top of the cover body, and a motor mounted in the middle of the top of the cover body. A rotating shaft is fixed to an output shaft of the motor, stirring blades are fixed to the bottom end of the rotating shaft, a first bevel gear is fixed to the outer side of the rotating shaft, and an isolation frame is fixed to the inner top wall of the cover. Through linkage of the driving structure, when microporous resin is uniformly stirred and defoamed, the overturning mechanism overturns materials on the lower layer, so that bubbles quickly float to the surface layer along with the materials, and the bubble escape path is shortened; the contact area of bubbles and the vacuum environment is increased through vertical turning, bubble breaking is accelerated, the defoaming efficiency is remarkably improved, materials are mixed more uniformly, and the defoaming quality and production continuity of the microporous resin are improved.
Owner:ZIBO CREATE NEW MATERIAL TECH CO LTD

Anti-fingerprint film

The utility model discloses an anti-fingerprint film which comprises a base material layer, a high surface tension layer and an anti-fingerprint layer which are sequentially stacked, and the surface energy of the high surface tension layer is 40mJ / m < 2 >-120mJ / m < 2 >. According to the utility model, the high surface tension layer is arranged between the base material layer and the anti-fingerprint layer, so that the formation of bubbles in the coating process of the anti-fingerprint layer is reduced, the generation of bubble-shaped point defects is reduced, and the yield of products is improved.
Owner:JIANGSU RIJIU OPTOELECTRONICS LTD

Mixing and clarifying tank for producing refined sodium tungstate

The utility model discloses a mixing and clarifying tank for producing refined sodium tungstate, and belongs to the technical field of refined sodium tungstate production. A mixing and clarifying tank for producing refined sodium tungstate comprises a settling pond, a stirring pond arranged on the side wall of the settling pond, a fan-shaped spray head arranged on the inner wall of the settling pond, a drainage valve arranged on the outer wall of the front portion of the settling pond, a lead screw motor arranged on the outer wall of one side of the settling pond, a lead screw connected to the output end of the lead screw motor, and a movable plate connected to the outer wall of the circumference of the lead screw in a sleeving mode. A fixed plate is arranged on the outer wall of the movable plate, the top of the fixed plate is rotatably connected with a stirring assembly, the stirring assembly comprises a gear, a water storage tank is arranged on the outer wall of the rear portion of the sedimentation tank, second water pumps are arranged on the outer walls of the two sides of the water storage tank, and an ultrasonic generator and a controller are arranged on the outer wall of the front portion of the stirring tank. The practicability is better, and the mixing efficiency of the sodium tungstate can be further improved through cooperation of ultrasonic vibration and rotation of the stirring rod.
Owner:LINANZHENGKEXIYOUJINSHUHUISHOU CO LTD

Firefighting device, battery pack and energy storage device

The utility model relates to battery fire fighting technical field and provide a kind of fire-fighting device, battery pack and energy storage device, the fire-fighting device includes mixed generator, controller and the fire detector being set in battery pack;Mixed generator connects water pressure source and clean gas fire extinguishing agent pressure source, and is equipped with control valve at the entrance of water and clean gas fire extinguishing agent, and mixed generator is equipped with injection port;Controller is electrically connected control valve and fire detector;Fire detector is in triggered condition, output signal is given to controller, and controller opens control valve, and water and clean gas fire extinguishing agent are mixed in mixed generator after being sprayed into battery pack by injection port.The fire-fighting device of the utility model, water and clean gas fire extinguishing agent are sprayed into battery pack after being mixed, while clean gas fire extinguishing agent is rapidly extinguished, water mist can cooperate with accelerated cooling, and the inhibition effect of hot runaway battery cell is better, and it is favorable to improve fire extinguishing effect.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Separation and purification method for producing farnesene and squalene through biosynthesis fermentation

The invention belongs to the technical field of microbial fermentation. The invention relates to a separation and purification method, in particular to a separation and purification method for producing farnesene and squalene through biosynthesis and fermentation. The method comprises the following specific separation steps: carrying out solid-liquid separation on a microbial fermentation system containing farnesene and / or squalene, and collecting a filtrate containing farnesene and a thallus filter cake containing squalene; carrying out enzymolysis wall breaking treatment on the squalene-containing thallus filter cake to release an intracellular target product, and collecting wall-broken feed liquid; carrying out solid-liquid separation on the feed liquid to remove residual thalli, and collecting filtrate; the method comprises the following steps: respectively mixing a filtrate containing farnesene and a filtrate containing squalene with an extraction system containing a nonionic surfactant, and then extracting by adopting supercritical carbon dioxide to respectively obtain extracts rich in farnesene and squalene; and performing chromatographic separation on the extracts rich in the farnesene and the squalene respectively to obtain the farnesene and the squalene respectively.
Owner:YICHUN DAHAIGUI LIFE SCI CO LTD

A composite admixture for impermeability, impermeable reinforced concrete for drainage pipes, and its preparation method.

ActiveCN122079525Apromote ruptureeasy to integrateAdhesiveSulfite salt
This invention belongs to the field of injection molding adhesive technology, specifically relating to an anti-seepage composite admixture, anti-seepage reinforced concrete for drainage pipes, and their preparation method. The composite admixture comprises the following raw materials in parts by weight: 1 part modified aliphatic sulfonate water-reducing agent, 0.15-0.25 parts lignin sulfonate water-reducing agent, and 0.8-1.2 parts expanding agent. The modified aliphatic sulfonate water-reducing agent is prepared by: preparing an emulsion using unsaturated acid anhydride, C14-C18 alkyl acrylate monomer, and emulsifier; simultaneously, preparing an initiator solution for later use; under an inert atmosphere, adding sulfites, formaldehyde (part 1), and water to a reaction vessel, raising the temperature, adjusting the pH, and controlling the temperature to add ketones and formaldehyde (part 2); adding formaldehyde (part 3), simultaneously adding the emulsion and initiator solution, and gradually increasing the temperature during the reaction. The modified aliphatic sulfonate water-reducing agent can stabilize small, closed bubbles, forming a uniformly distributed microbubble system. The three components in the composite admixture synergistically optimize the size, quantity, and distribution of bubbles.
Owner:BEIJING MUHU CONCRETE ADMIXTURE CO LTD +1

Oil acid value detection sensor

The utility model discloses an oil acid value detection sensor which comprises a shell, a transparent detection tube arranged in the shell and a detection device arranged on the detection tube, an inlet of the detection tube is connected with a filter box, a splitter plate and a filter screen are sequentially arranged in the filter box downwards in the vertical direction, the splitter plate is of a hemispherical structure, and the filter screen is connected with the shell. And a vibrator is arranged on the inner side of the base. When oil passes through the spreader plate, the spreader plate is used for spreading the oil to form thin-layer oil, and then the vibrator is used for driving the spreader plate to vibrate, so that bubbles are broken or separated from the oil; and then impurities in the oil are filtered and removed through a filter screen, so that scattering or interference of particle impurities and bubbles on a spectrum is reduced, and the detection precision of the sensor on the acid value of the oil is improved.
Owner:XIAN ZHENGTIAN TECH CO LTD