133 results about "Viscous liquid" patented technology

The invention belongs to the technical field of oil exploitation, and relates to a drag reducer for fracturing and a preparation method thereof. The preparation method comprises the following steps: adding 1, 5-hexadiene-3, 4-diol and a catalyst into a high-pressure reactor, raising the temperature, introducing ethylene oxide, raising the temperature, carrying out a heat preservation reaction, stopping heating, and cooling to 50 DEG C or below; adjusting the pH value to 2-3 by using phosphoric acid, adding sulfamic acid, heating, preserving heat and reacting, and cooling to below 40 DEG C; the preparation method comprises the following steps: adding deionized water, 2-(trifluoromethyl) acrylic acid and methacryloylethyl sulphobetaine, stirring and dissolving, adjusting the pH value to 7-8, adding an initiator, heating and carrying out a heat preservation reaction to obtain a viscous liquid; and settling, centrifuging, cleaning and drying to obtain the product drag reducer. The drag reducer has the characteristics of high viscosity and high drag reduction rate.

The invention belongs to the technical field of damping walls, and particularly relates to a novel high-performance viscous damping wall which comprises a channel steel box used for containing viscous liquid and arranged between an upper damper connecting wall pier and a lower damper connecting wall pier and a damping body vertically placed in the channel steel box and connected with the damper connecting wall piers. A plurality of metal plates are arranged in the vertical direction of the channel steel box in an array mode, and anti-deformation mechanisms movably connected with the two ends of the bottoms of the metal plates in a sleeving mode are arranged on the side faces of the two ends of the inner bottom of the channel steel box. According to the novel high-performance viscous damping wall, through the arrangement of the anti-deformation mechanism, when the damping wall is subjected to vibration in different directions or the instantaneous vibration deformation force is too large, the metal plate can elastically displace in time in the thickness direction of the channel steel box, and the problem that the metal plate is in rigid contact with the damping body and deforms is solved.

The utility model discloses a cyclone filter type gas-water separator. The gas-water separator comprises a tank body, a filter cartridge positioned in the center of the tank body, a spiral blade positioned in a gap between the filter cartridge and the tank body, and a water outlet piece positioned at the lower part of the tank body, a filter screen is arranged in the filter cartridge; according to the structure, the spiral blade can be used for guiding a gas-liquid mixture, moisture in gas can be further screened out through the arrangement of the filter cartridge, the pot body can move up and down to stir through the arrangement of the poke rod to intermittently knock the filter cartridge, and the water in the gas can be filtered out through the poke rod. Therefore, water drops and viscous liquid on the filter screen can conveniently fall into the basin body, and effective separation is achieved through the cyclone separator.

The utility model provides a viscous liquid material distributor which is provided with a liquid receiving disc, a conical liquid distributing body is arranged in the center of the liquid receiving disc, flow distributing baffles are evenly distributed on the periphery of the liquid receiving disc, the conical liquid distributing body and the flow distributing baffles are both fixedly installed on the liquid receiving disc, a feeding pipe is arranged above the conical liquid distributing body, and a discharging pipe is arranged above the feeding pipe. An outlet of the feeding pipe is lower than the top of the flow dividing baffle and higher than the top of the conical flow dividing body, the height difference between the outlet of the feeding pipe and the top of the conical flow dividing body is not smaller than 20 mm, the flow dividing baffle is formed by bending a plate, and the angle of the bending position of the plate is larger than 90 degrees. The utility model solves the technical problems that the existing viscous liquid distributor adopts a plane disc to receive liquid, the requirements on processing precision and levelness are higher and are difficult to realize, the viscous liquid material is difficult to uniformly distribute on the cross section, and the overall production quality is influenced. The high-viscosity liquid dispersing device can be widely applied to the dispersing process of high-viscosity liquid.

1. Name of the product in this design: Amethyst Glass Bottle. 2. Purpose of this design: This design is used to hold viscous liquids such as honey. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present disclosure provides an extrudable fiber-based bottle (10) for storing and dispensing a viscous liquid. The bottle (10) comprises a molded base (20) comprising a liquid containing surface having an aperture (30) for dispensing the viscous liquid. The molded base (20) includes a base perimeter having a perimeter surface (22) with an upper edge (24) and a lower edge (16). The extrudable fiber-based bottle (10) includes a fiber-based sidewall (12) having an upper edge (14), a lower edge (16), an inner surface, and an outer surface. The side wall (12) comprises a front panel (4), a rear panel (5) and two opposite side panels (2, 3). At least one of the opposing side panels comprises a crease line (65) forming a flat portion (7, 9). The fiber-based sidewall (12) is attached to the molded base (20) forming an impermeable seal such that the lower edge (16) of the fiber-based sidewall (12) is disposed proximate the peripheral surface upper edge (24) but not proximate the peripheral surface lower edge (26). The impermeable seal is formed around the entire peripheral surface of the molded base (20).

The application discloses a kind of overburden separation zone reinforcement method of deformation sensitive structure goaf, including determining the boundary size and vertical height of overburden separation zone of goaf;Determine the boundary of blasting treatment of overburden separation zone of goaf;Design the amount of directional blasting explosive and the distance between explosive and the top of overburden separation zone, so that the rock and soil around explosive on the boundary of deformation sensitive structure foundation influence boundary is formed by directional blasting Throw pile;After the hole of hole drilling along the original blasthole distribution boundary to the original overburden separation zone bottom elevation and inject water reaction foaming polyurethane to form flow-plastic viscous liquid, flow-plastic viscous liquid rapidly diffuses along the upper and lower boundary of overburden separation zone and the interstice between original broken overburden separation zone accumulation block and forms blocking boundary;Deep grouting method is used to reinforce the cavity in blocking area.This method aims to reduce the disturbance of blasting on the upper soil layer and deformation sensitive structure, reduce the consumption of slurry, save engineering cost, and improve the treatment effect of goaf site.

The invention discloses a high-viscosity acid environment mixing automatic defoaming device and a use method. The high-viscosity acid environment mixing automatic defoaming device comprises a buffer tank, a liquid inlet and a liquid outlet are formed in the bottom of the buffer tank, a foam breaking mechanism is arranged in the buffer tank, a foam collecting device is further arranged in the buffer tank, and the buffer tank is connected with a liquid level bubble detection device; the bubble collecting device comprises a first bubble blowing machine and a second bubble blowing machine, the first bubble blowing machine is located on the side edge of the top of the buffer tank, and the second bubble blowing machine and the first bubble blowing machine are oppositely arranged; the liquid level bubble detection device comprises a U-shaped pipe liquid level meter, a first liquid level sensor and a radar liquid level sensor, the bottom of the U-shaped pipe liquid level meter is communicated with the bottom of the buffer tank, the first liquid level sensor is arranged at the top of the U-shaped pipe liquid level meter, and the radar liquid level sensor is arranged on the top wall of the buffer tank. According to the method, bubbles generated in the operation process of preparing the high-viscosity liquid can be eliminated in time, the waiting time for natural decomposition is saved, the quality of the high-viscosity liquid is not affected, and the risk of tank overflowing is avoided.

The utility model relates to a kind of mixing apparatus, first motor is fixedly arranged with output shaft upwards under centrifugal disc, the shell of first motor is fixedly set on rotating ring, rotating ring left and right ends are provided with second motor, the shell of second motor is fixed on horizontal plate by vertical rod, horizontal plate is intervally provided with base below, between base middle part and horizontal plate bottom, between the both sides of base and horizontal plate bottom, compression spring, electromagnetic module are respectively arranged, electromagnetic module includes the permanent magnet being set in horizontal plate bottom and the electromagnet being set on base, permanent magnet and electromagnet are attracted by different poles;First motor, second motor and electromagnetic module are electrically connected with external controller.The utility model has the beneficial effects that: this mixing apparatus has above four kinds of mixing power, can satisfy the differentiation demand of four kinds of experimental system to mixing dynamics, such as conventional mixing, cell resuspension, viscous liquid mixing and anti-settling.

The invention discloses a viscous liquid chemical medium mixing device and a using method thereof.The viscous liquid chemical medium mixing device comprises a bottom plate with a plurality of trundles at the bottom, a clamping mechanism is installed on the bottom plate, a door-shaped frame is fixedly connected to the top of the bottom plate, an L-shaped support is connected to the door-shaped frame through a lifting mechanism, and the L-shaped support is fixedly connected to the bottom plate. A third motor is fixedly installed on the L-shaped support, an output shaft of the third motor penetrates through the L-shaped support and then is detachably connected with a mixing mechanism, and the mixing mechanism is located over the clamping mechanism. When the device is used, after a container is placed on the bottom plate, the container is positioned and clamped through the clamping mechanism, then a viscous liquid chemical medium is poured into the container, the lifting mechanism drives the L-shaped support to descend so as to enable the mixing mechanism to extend into the container, and the third motor is started to drive the mixing mechanism to mix the viscous liquid chemical medium. In addition, during mixing, the container can be prevented from rotating along with the mixing mechanism, and the use effect is good.

The invention relates to the technical field of rail conveying equipment, in particular to a rail guide vehicle for conveying fatty acid raw materials, which comprises a guide rail and a rail vehicle mechanism running along the guide rail, and further comprises a support mechanism, a guide rail, a guide rail and a guide rail, the hopper mechanism is hinged to the support mechanism through a hinge shaft and used for containing and conveying raw materials, a heating jacket is arranged outside the hopper mechanism, and a plurality of electric heating pipes are arranged in the heating jacket; and the self-adaptive hinge damping mechanism is arranged at the hinge shaft. According to the rail car, the conveying hopper is hinged to the car frame, and the self-adaptive hinge damping mechanism is arranged, so that the conveying hopper can adjust the posture in a self-adaptive mode when the rail car is started and stopped or passes through a ramp, meanwhile, the self-adaptive hinge damping mechanism can effectively absorb the inertia moment, the shaking and splashing risks of internal viscous liquid are greatly reduced, and the safety of the rail car is improved. And the damping force can be adaptively adjusted according to the load of the hopper mechanism, so that the swinging of the conveying hopper can be quickly inhibited.

The invention belongs to the technical field of vibration reduction devices, and particularly relates to a damping parameter adjustable vibration reduction device which comprises a vibration reduction shell, a transmission assembly and a damping assembly are arranged in the vibration reduction shell, the damping assembly comprises an impeller and a damping liquid cavity, and viscous liquid is arranged in the damping liquid cavity. The transmission assembly is connected with the damping assembly, the transmission assembly can adjust the rotating speed ratio of the transmission assembly and the impeller, the impeller is rotationally arranged in the damping liquid cavity and used for buffering and damping of the transmission assembly, the transmission assembly comprises a toothed bar and a gear set, the toothed bar is arranged in the damping shell in a sliding mode, and the gear set is arranged in the damping liquid cavity. The gear set comprises a driving gear, the driving gear is rotationally arranged in the vibration reduction shell, the impeller is in transmission connection with the driving gear, and the toothed bar is meshed with the driving gear; the damper can be adjusted to the corresponding damping acting force according to different use conditions.

This invention relates to the field of waste plastic chemical recycling technology, and discloses a waste plastic pyrolysis system and method. The method includes the following steps: (1) deoxygenating waste plastic particles; (2) mixing the waste plastic particles obtained after the deoxygenation treatment with diesel fraction under anaerobic conditions, and then separating the diesel fraction in the resulting mixture to obtain preliminary liquefied plastic; (3) mixing the preliminary liquefied plastic with wax oil fraction under anaerobic conditions, and then separating the wax oil fraction in the resulting mixture to obtain waste plastic liquefied liquid; (4) subjecting the waste plastic liquefied liquid to a viscosity reduction reaction to obtain viscous liquid plastic; (5) heating the viscous liquid plastic and subjecting it to a pyrolysis reaction to generate pyrolysis oil and gas and pyrolysis residue; (6) fractionating the pyrolysis oil and gas to separate rich gas, diesel fraction, wax oil fraction and circulating oil. This invention achieves efficient liquefaction and generates high-value-added products.

The embodiment of the application discloses viscous liquid primary dilution dissolving equipment, viscous liquid primary dilution dissolving equipment, including support assembly, the number of support assembly is three, the center of three support assembly is fixedly connected with oil pan, the top of three support assembly is fixedly connected with jar, the top of jar is fixedly connected with upper cover, the top of upper cover is fixedly connected with speed reducer, the output end of speed reducer is fixedly connected with stirring assembly, the inner wall of jar is fixedly connected with solid disc assembly. Through the cooperation of the fixed plate, the connecting plate and the lug plate, the steam coil can be fixedly installed in the inside of the jar, and the steam coil can be connected with the external ball valve steam pack, and then when the external ball valve steam pack is opened, steam can enter the inside of the steam coil, so that the grease in the inside of the jar can be heated, and the heating efficiency of the equipment can be improved.

The invention provides a laser type structure inclination measuring device and method, a liquid tank, a central compression bar mechanism, a target plate and four laser heads are adopted, the liquid tank is installed on a structure, viscous liquid is stored in the liquid tank, the target plate is located above the viscous liquid, rigid body deformation occurs by responding to the pressure change of the viscous liquid, the liquid tank is of a cylindrical sealing structure, and the target plate is located above the viscous liquid. The center pressing rod mechanism is arranged above the center of the target plate, the lower end of the center pressing rod mechanism can freely move and always press the center of the target plate, the four laser heads are evenly distributed on the periphery of the inner surface of the top wall of the liquid tank, and the laser heads can measure the distance between the laser heads and the target plate. The inclination angle of the structure is calculated according to the distance change measured by the laser heads, the measurement influence caused by vibration can be greatly shielded by adopting viscous liquid, automatic high-precision measurement of the levelness can be realized, and meanwhile, the influence of high-frequency vibration noise on the measurement precision can be greatly reduced.

A viscous fluid feeder supplies viscous fluid used for printing. The viscous fluid feeder comprises a holder with an opening through which a cartridge containing the viscous fluid can be inserted and removed, a mounting receptacle onto which the cartridge is secured by pressing the cartridge horizontally from the opening to the rear, and a first air supply area located on the mounting receptacle such that the first air supply area is connected to the cartridge in a state where the cartridge is attached to the mounting receptacle and is configured to supply initial air to the cartridge to discharge the viscous fluid from the cartridge.

This invention discloses a laser marking machine for finished product packaging of hair conditioner, relating to the field of marking processing. The laser marking machine includes a conveyor frame, a fixing mechanism, and a marking protection mechanism. The marking protection mechanism includes a protective channel above the conveyor frame, a protective cover in the middle of the protective channel, and an exhaust pipe; the exhaust pipe has an exhaust port located below the marking area. When the bottle is placed on the placement tray, the movable block moves downward, and the roller at the lower end of the crank leg contacts the external guide surface and drives the crank leg to rotate, causing the clamp to close towards the bottle. This invention forms a directional airflow through an air curtain and exhaust, effectively isolating and removing contaminants, improving the cleanliness of the marking area; simultaneously, the fixing mechanism uses the bottle's own weight to achieve automatic clamping, and the stability is further enhanced under the action of exhaust, making it suitable for finished product packaging marking processing of viscous liquid products such as hair conditioner.

To obtain a resistive alloy with high resistivity, low temperature dependence of resistivity, and low specific heat. [Solution] The resistor is a thin film material consisting of an amorphous structure and a martensitic structure mixed in with the amorphous structure. A sintering agent containing a carbon source is applied to one or both sides of a thin film material of austenitic stainless steel with a thickness of 50 μm or less. Next, the thin film material to which the sintering agent has been applied is heated to 800 to 1000°C. The heated thin film material is rapidly cooled. This makes it possible to form a thin film in which an amorphous structure and a martensitic structure are mixed. The sintering agent is a viscous liquid containing a carbon source in sodium silicate.

This invention discloses a method for improving the physical properties of PVDF-based secondary battery slurry by adding calcium salts, relating to the field of battery slurry improvement technology. The method includes the following steps: Step 1: Weighing calcium salt and dissolving it in water to obtain a calcium salt solution, which is then mixed with an organic solvent; Step 2: Weighing PVDF and adding it to the solution while stirring to dissolve the binder in the organic solvent, resulting in a viscous liquid; Step 3: Weighing a conductive agent and adding it to the viscous liquid while stirring to mix the conductive agent and binder, resulting in a dispersion system; Step 4: Weighing an active material and adding it to the dispersion system while stirring to mix the active material with the conductive agent and binder, resulting in a battery slurry; Step 5: Coating the battery slurry onto a current collector, and then drying the coated electrode. By adding trace amounts of calcium salts to the slurry, the PVDF binder is rapidly dispersed in the organic solvent, effectively improving the adhesion between the battery slurry and the aluminum foil current collector.

The invention provides an industrial lignin environment-friendly adhesive as well as a preparation method and application thereof. According to the mass percentage content, the lignin-cellulose composite material comprises 1.8-7.2% of industrial lignin, 1.8-3.6% of cellulose derivatives, formic acid aqueous solution and the balance of water, wherein the total mass percentage content is 100%; the content of formic acid in the adhesive is 24-48%; the total solid content of the industrial lignin and the cellulose derivative is 3.6-10.8%; the raw materials are uniformly mixed by stirring to obtain a uniform and stable dark viscous liquid, namely the lignin environment-friendly adhesive. The technical problem to be solved is how to prepare the environment-friendly industrial lignin adhesive which does not contain formaldehyde and phenol substances and is healthy and environment-friendly, and a pure biomass system is constructed by taking a papermaking byproduct industrial lignin (waste) and a natural cellulose derivative as core raw materials so as to realize high-value utilization of resources. Meanwhile, the preparation process of the adhesive can be completed at normal temperature and normal pressure, excellent bonding strength can be achieved through mild hot pressing when the adhesive is used for bonding wood, and the water resistance is good.

The invention discloses a gear pump body device and a gear pump, even if a pumped object is viscous liquid, normal pressure relief can be achieved, the gear pump body device comprises a gear pump head, a hanging seat and a pressure relief valve, the gear pump head is installed at the lower end of the hanging seat, an output channel is arranged in the hanging seat, the pressure relief valve is installed on the hanging seat, the pressure relief valve divides the output channel into two parts, and the output channel is communicated with the hanging seat. Comprising a first channel and a second channel, the gear pump head comprises a pump base and a gear pair installed in the pump base, the pump base is provided with a liquid inlet side making contact with / close to liquid, the pump base is provided with a liquid inlet with an opening formed in the liquid inlet side, the disengagement side of the gear pair is communicated with the liquid inlet, an oil discharging flow channel is formed in the pump base, and one end of the oil discharging flow channel is communicated with the first channel. The other end of the oil discharge flow channel is communicated with the meshing side of the gear pair, and a micropore which is communicated with the oil discharge flow channel and is opened in the liquid inlet side is formed in the pump base.

The utility model discloses a hydraulic plunger pump suitable for high viscosity medium relates to hydraulic plunger pump technical field, and the inside of first sealing shell is equipped with extrusion mechanism, and the right -hand member of extrusion mechanism is connected with four groups of hydraulic plunger mechanism, and four groups of hydraulic plunger mechanism are located in the inside of sealing seat, and sealing seat with second sealing shell inside fixed connection, second sealing shell right -hand member is sealed with the connection shell and is connected, and hydraulic plunger mechanism can transmit liquid to the inside of connection shell through sealing seat, and first sealing shell top is connected with liquid inlet valve, and the bottom of connection shell is connected with liquid outlet valve. Through extrusion mechanism outside and first sealing shell outside sealed connection, can make the equipment in the use process, viscous liquid will not be bonded in the rotating shaft position place and thus hinder extrusion mechanism operation, make the equipment when operating, will not appear viscous liquid block extrusion mechanism leads to the equipment unable to run situation, has increased the stability of the equipment when using.

The invention belongs to the technical field of water reducing agent blending, and discloses water reducing agent component modularized blending equipment which comprises a tank body, a plurality of feeding pipes are fixedly connected to the top of the tank body, a liquid taking valve is fixedly connected to the outer wall of the tank body, and supporting legs are fixedly connected to the bottom of the tank body; according to the modularized blending equipment for the water reducing agent components, a solvent, a main agent and an auxiliary agent fed into the feeding pipe are weighed through the pressure sensor, the proportion of the solvent, the main agent and the auxiliary agent is accurately mastered, the use amount of the solvent, the main agent and the auxiliary agent is conveniently adjusted according to the use scene of needed cement paste, and after the weighing hopper is controlled to move downwards, the weighing hopper is controlled to move downwards. The weighing hopper is made to continuously vibrate downwards through cooperation of the cam and the protruding block, viscous liquid adhering to the interior of the weighing hopper can be conveniently shaken off, the situation that due to the wall hanging phenomenon in the weighing hopper, ingredients of a water reducing agent are lost, and the ingredients of the water reducing agent are affected is avoided, and the bottom of the weighing hopper is arranged to be an inclined face, so that internal liquid can be better discharged conveniently.

The utility model relates to oil pump technical field especially relates to an oil pump, including shell, motor, impeller and gear frame, is seted up oil inlet and oil outlet on the shell, is seted up oil inlet chamber in the shell, oil inlet, oil inlet chamber, oil outlet intercommunication, is provided with the blade on the impeller, the motor is connected with the shell, the gear frame is rotatably connected with the internal gear, is fixedly connected with the gear ring in the shell, is provided with the drive gear on the output of motor, the internal gear is engaged with the gear ring and drive gear, is connected with the pivot on the gear frame, the pivot is connected with the impeller, is equipped with first mounting portion and second mounting portion on the gear frame, is equipped with first bearing on first mounting portion, is equipped with second bearing on second mounting portion, the outer ring of first bearing and second bearing all are connected with the shell, the internal gear, gear ring, drive gear all are located between first bearing and second bearing, solved the problem that the structure is unstable, and the blade is difficult to clean up the more viscous liquid on the inner wall.

A modular liquid dispensing system in which each module has a module body, a spray nozzle, and a piston to control the dispensing of liquid from the nozzle. Each module has a pneumatically operated system to move the piston to an open position while also facilitating a faster return movement to a closed position, allowing for the precise dispensing of small quantities of highly viscous liquids.

The invention belongs to the technical field of seismic mitigation and isolation, and particularly relates to a multiple multi-dimensional magnetic damping vibration isolation device. Comprising a power generation shock insulation assembly and a variable mass shock insulation assembly. On one hand, the power generation shock isolation assembly comprises a magnet, a coil, a power generation piece, a battery management system or a lithium ion thin film capacitor. The magnet can move left and right to cut magnetic induction lines. The coil is used for magnetic induction power generation. The power generation sheet can be impacted to generate power when vibration is too large; the battery management system is used for controlling charging and discharging energy of the lithium ion film capacitor. The damping device further comprises a rubber support, a cross bridging and a damping spring. The cross bridging is matched with the damping spring to achieve nonlinear damping. On the other hand, the variable mass shock insulation assembly comprises rigid ropes which are symmetrically installed, iron blocks with hollow interiors, coils or magnetorheological viscous liquid; the rigid rope is connected with the iron block, the iron block moves up and down, and the belleville spring and the viscous liquid rub with each other to achieve friction damping; the magnetic force can be adjusted by current changes of coils outside the iron blocks, and then iron particles are attracted or released to achieve variable mass damping.

This invention provides a multi-functional liquid sampling and monitoring device for pipeline explosion-proof applications, relating to the technical field of sampling equipment. It includes a stainless steel cabinet containing a liquid dispensing mechanism, a transmission mechanism, and a sampling mechanism. The liquid dispensing mechanism includes an inner sleeve, an outer sleeve, and a circular partition. A spiral guide groove is formed on the inner wall of the inner sleeve, guiding the medium to flow along a spiral trajectory and extending the medium's residence time. This invention achieves this by creating a spiral guide groove on the inner wall of the inner sleeve and arranging micro-convex anti-sticking dots, which, combined with the relative rotation of the outer sleeve, create a self-flushing effect. The spiral guide groove guides highly viscous liquids to flow orderly along a spiral trajectory, extending the medium's residence time. The micro-convex anti-sticking dots transform large-area liquid film contact on the wall surface into point contact, significantly reducing medium adhesion and fundamentally solving the problem of highly viscous liquid adhering to the wall. This avoids liquid film residue contaminating the quantitative chamber, altering the effective volume, and continuously ensuring the accuracy of micro-liquid dispensing.

Method and Apparatus for passive mixing of a multiphase flow or hydrodynamic performance that is housing a conduit / tube, which is a channel extending internally from the fluid inlet to the outlet ports, comprising axially stacked plurality of static mixers possessing structural elements or mixing elements (possessing structural elements on their inner walls), that are responsible for continuous splitting, and combining of the flow through the conduit, bringing about enhanced mixing of the contents of the flow, mass-transfer, and heat transfer. The structural elements bring about an enhanced mixing of multi-phasic systems passing through the conduit such as liquid-liquid, liquid-gas-liquid, and systems comprising immiscible and viscous liquids. The mixing elements or structural elements are responsible for splitting of flow into sections of multiple streams, followed by forced recombination of the multiple streams which is responsible for the equitable dispersion of individual components of multiphasic flow, thereby enhancing mixing of flow.

The application discloses a kind of magnetic foam structure composite material and its preparation method and application, belong to heat-conducting-wave-absorbing multifunctional material preparation technical field.The in-situ bubble assisted annealing process disclosed in the application is to dissolve iron nitrate, nickel acetate and polyvinylpyrrolidone in deionized water to obtain a mixed solution, then dry the solution to a viscous state, then place the viscous liquid in a tube furnace, pass inert gas and perform high-temperature annealing treatment to obtain the product.The application is simple to operate, has strong repeatability, low production cost, short cycle, is green and environmentally friendly, and can be prepared on a large scale.It can also prepare a series of magnetic foam structure composites by changing the feeding ratio and annealing temperature.The obtained magnetic foam has adjustable composition, texture, high thermal conductivity and wideband microwave absorption characteristics, and has good industrial application potential in heat management, microwave absorption and other fields.

The present application uses the mixture of residual liquid and cracking product (LPS) after the cracking of polydimethylsilane (PDMS) as raw material, and the polymerization reaction with tributyl borate or triethyl borate obtains viscous liquid (LPCS), which introduces the heterogeneous element boron; the viscous liquid (LPCS) further reacts with zirconium acetylacetonate to introduce the heterogeneous element zirconium, and the polycarbosilane ceramic precursor (PBZCS) doped with boron and zirconium elements is obtained; the precursor silk obtained after the melt spinning can be inosculated by the relatively simple air oxidation crosslinking method, and the boron and zirconium elements act as sintering agents to densify the fiber in high-temperature sintering, and the high-temperature-resistant ceramic fiber is obtained.