87 results about "Suspension flow" patented technology

Systems and methods of clarifying a liquid suspension at high speeds contained in a flexible bag is provided. The method includes nesting at least one flexible bag containing the liquid suspension within at least one bag adapter with the at least one inlet line and / or outlet line extending from the flexible bag to an exterior of the bag adapter. The method further includes at least partially enclosing the at least one inlet line and / or outlet line within a crown cavity defined by a crown assembly. The method further includes centrifuging the at least one bag adapter and the at least one flexible bag containing the liquid suspension in a centrifuge to produce a super-natant fluid and a pellet in the at least one flexible bag.

The cyclone hydraulic separator comprises a first shell, a liquid inlet is formed in one end of the first shell, a second shell integrally formed with the first shell is arranged at the end, far away from the liquid inlet, of the first shell, a clear liquid outlet is formed in the side, far away from the first shell, of the second shell, a mounting seat is arranged in the first shell, and a liquid outlet is formed in the mounting seat. And the mounting seat is provided with a liquid penetrating opening and a centrifugal assembly. According to the cyclone hydraulic separator, suspension liquid is introduced into the first shell from the liquid inlet, solid particles or liquid with large density in the suspension liquid are thrown to the inner wall of the first shell and the inner wall of the second shell under the action of centrifugal force through the arranged centrifugal assembly, and the solid particles or the liquid with the large density in the suspension liquid are thrown to the inner wall of the first shell and the inner wall of the second shell along with liquid flowing and the action of the centrifugal force. And solid particles or liquid with large density in the suspension liquid enter the waste liquid box along the inner wall of the second shell, backflow of fine particles is reduced through the arranged enclosure, and the separation efficiency is improved.

The invention relates to a sieve device (1) with at least one retention element (3, 13, 4, 14) for cleaning a suspension of contaminants, wherein the sieve device (1) comprises a shaft that can be driven rotatorily by a drive, wherein at least one retention element extends radially from the shaft, wherein flowable spaces (8) are formed by the at least one retention element (3, 13, 4, 14) and a sieving effect is provided by the flowable spaces (8).

The utility model relates to the technical field of suspension liquid treatment equipment, in particular to nanometer conductive carbon black suspension liquid shearing and dispersing equipment which comprises a kettle body, a cover plate, a discharging electric valve, a feeding pipe and a filtering mechanism, and the filtering mechanism comprises a filtering box, a fixing plate, a lower filtering net, a limiting frame, an upper filtering net, a shearing device and a stirring device. A suspension liquid raw material is put into the kettle body through the feeding pipe, then the shearing device acts to perform solution rotary cutting and achieve shearing dispersion, the stirring device is used for stirring and mixing, the discharging electric valve is opened after a certain time, and the sheared and dispersed suspension liquid is guided out and falls into the limiting frame. Then, the upper filter screen and the lower filter screen are matched to perform hierarchical filtration to realize solid-liquid separation, and finally, the leading-out valve is opened to lead out the filtered solution, so that the problems that solid impurities and liquid are difficult to quickly separate and the use is inconvenient when the suspended solution is led out due to the fact that the existing equipment is not provided with a filter mechanism can be solved.

An accept tank arrangement for mixing of pulped fiber suspension including sidewalls (3,4) including opposite arched ends (2) and an elongated section (1) between the arched ends (2). The accept tank has mixers (10) each located within one of the arched ends (2). The mixers (10) have axles (11) on which are mounted propellers (12). The mixers (10) are aligned horizontally and each axle points to a respective point on the elongated section (1) of the sidewall (3) which away from an end of the elongate section by at least 25% of the length of the elongated section (1). The propellers (12) are symmetrically positioned with respect to a center-point of the accept tank. Within the center of the elongated section is an elongated centerpiece (6) having rounded ends. The accept tank has a substantially flat bottom at least at the elongated section (1) of the accept tank.

To provide an automated method for preparing a sample suspension.SOLUTION: The sample suspension can be used for both MALDI and antimicrobial susceptibility testing (AST). A suspension is prepared, and a portion of the suspension is removed for a first analysis (e.g., MALDI), leaving a remaining volume. The turbidity of the remaining volume is measured. If the turbidity is below a first threshold, the suspension is not used for a second analysis (e.g., AST) and is subjected to a concentration protocol to raise the turbidity of the suspension. If the turbidity is within a predetermined range, a volume of the suspension is calculated that will deliver a predetermined amount of a sample to a vessel for the second analysis. If the turbidity of the suspension is above the predetermined range, and the suspension has not been diluted a predetermined number of times, the suspension is diluted according to a dilution protocol.SELECTED DRAWING: Figure 1

The invention relates to a set of separator inserts (II, II-a, II-b,...) for a separator having a frame (I) on which one of the separator inserts (II, II-a, II-b,...) of the set of separator inserts (II, II-a, II-b,...) is exchangeably arranged at a time, wherein each of the separator inserts is designed to separate a free-flowing suspension (S) in a centrifugal field into at least two phases (LP, HP) of different densities and forms a pre-assembled exchangeable unit for insertion into the frame (I) of the separator and has at least the following: a rotor (2) which can be rotated about an axis of rotation (D) during operation and has a drum (3) that can be rotated during operation and that has one or more openings; a separating means (6) arranged in the drum (3); an inflow and outflow system having at least one inlet (311, 312) for a free-flowing suspension to be processed and having two or more outlets (313, 314) for discharging the centrifugally separated phases from the drum (3), wherein at least two separator inserts (II, II-a, II-b,...) of the set have different inflow and outflow systems (31), and / or at least two separator inserts (II, II-a, II-b,...) of the set have drums (3) having drum casings with different geometries.

The invention provides an automatic directional edge perforation and hard rock weakening cutting mechanism and a cutting method. The mechanism comprises a rack assembly; the central axes of the straight shaft section and the inclined shaft section form an inclined included angle; the cutting cutterhead is rotatably connected to the front part of the rack assembly through a main shaft; the inclined shaft is assembled on the inclined shaft section of the main shaft in an inclined posture; the pumping mechanism is arranged in the rack assembly, and the pumping end of the pumping mechanism is connected with the sand-carrying suspension liquid container; the driving mechanism is arranged on the rack assembly and is in transmission connection with the pumping mechanism; the input end of the jet flow channel is communicated with the pumping-out end of the pumping mechanism, and the jet flow channel is provided with a plurality of output ends which are distributed in the circumferential direction and are arranged on the outer circumferential wall of the cutting cutter head; the cutting cutterhead is detachably mounted on the main shaft and can be assembled on the main shaft at a plurality of different circumferential angle positions; when the cutting cutterhead is assembled on the main shaft, the jet flow channel can supply sand-carrying suspension liquid to part of the output end corresponding to the cutting cutterhead in the forward inclining posture, and edge perforation and hard rock weakening are achieved.

The invention relates to a screw conveyor (12) for a liquid separator (10) designed for dewatering a suspension containing fibrous materials, comprising a drive shaft (16); a screw helix (18) extending helically around the drive shaft (16) and attached to the drive shaft (16); a helical strip (24) which is arranged on a radially outer region of a helix flank (22) of the screw helix (18) such that a gap (28) is formed between mutually facing surfaces of the helical strip (24) and the helix flank (22), so that in operation of the screw conveyor (12) the fibrous materials of the suspension accumulate in this gap (28) and form a scraping device which, when the screw conveyor (12) is arranged as intended in the liquid separator (10), is designed to scrape a cylindrical sieve (14) of the liquid separator (10) surrounding the screw conveyor (12).Furthermore, the invention relates to a method for manufacturing the screw conveyor (12) and a liquid separator (10).

To provide a suspension having high utilization efficiency of a pulverized material.SOLUTION: The average particle size of the pulverized material is 1 μm or more and 300 μm or less, and the viscosity at 20 °C. is 2mPa·s or more and 100mPa·s or less.SELECTED DRAWING: Figure 1

1. Name of the designed product: sensor. 2. Use of the designed product: the designed product is a sensor for measuring the properties of a fiber suspension. 3. Design points of the designed product: design 1 and design 2 are in shape, and design 3 to design 6 are in shape and color. 4. Picture or photo best indicating the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances needing explanation: design 2A part is transparent. Design 3 to design 6 claimed contain color.

The invention discloses a device and a method for rapidly evaluating the dynamic suspension performance of a self-suspension proppant. The device comprises a bracket, a beaker clamp, a beaker, a hand wheel, a connecting rod and a limiting pin. The beaker clamp is connected with the hand wheel through a connecting rod, and the beaker clamp can be rotated by rotating the hand wheel. The connecting rod is provided with two limiting grooves with an included angle of 95 degrees, and limiting pins are inserted into the limiting grooves to fix the hand wheel and the beaker. The method comprises the following steps: weighing the mass m1 of the self-suspending proppant, and weighing the mass m2 of a beaker; preparing a self-suspending proppant suspension, fixing the beaker in a vertical state by using a limiting pin, and pouring the self-suspending proppant suspension into the beaker; taking out the limiting pin, rotating the beaker to be inclined downwards, and inserting the limiting pin for fixing; after all the sand mixing liquid flows out, the beaker and the remaining sand mixing liquid are dried, and the weight m3 is weighed; and calculating the dynamic suspension rate of the self-suspending proppant. The method can be used for rapidly and accurately evaluating the suspension performance of the self-suspension proppant under the dynamic flowing condition, and has important practical construction significance.

The invention provides a phase-change composite material for an oil-based drilling fluid as well as a preparation method and application of the phase-change composite material. The phase-change composite material for the oil-based drilling fluid comprises a phase-change basic substance, an amination modified porous material, modified asphalt and macrocyclic compound molecule cucurbituril [n]. The preparation method comprises the following steps: mixing NaNO3, KNO3 and LiNO3, heating, cooling and crushing to obtain a phase change basic substance; carrying out modification treatment on expanded graphite and / or montmorillonite to obtain an amination modified porous material; the preparation method comprises the following steps: adding macrocyclic compound molecule cucurbituril [n] into an aqueous solution of an amination modified porous material to obtain a first suspension, preparing a phase change basic substance into a solution, adding the solution into the first suspension to obtain a second suspension, and calcining the second suspension to obtain a first phase change composite material; and dissolving the modified asphalt in petroleum ether to obtain a third suspension, dispersing the first phase-change composite material in the third suspension, freezing, performing vacuum filtration, and drying to obtain the phase-change composite material for the oil-based drilling fluid.

The application discloses a telescopic supporting arm for a magnetic detector, and belongs to the technical field of magnetic detectors. The telescopic supporting arm mainly comprises a supporting arm, a telescopic assembly arranged on the supporting arm, a supporting rod rotatably connected to the inner side of the supporting arm, a supporting seat connected to the surface of the supporting rod, and a fixing seat connected to the surface of the supporting seat. The telescopic supporting arm for the magnetic detector is convenient for the supporting seat and the fixing seat to be inclined and adjusted through the extension driving force or the retraction driving force of the first driving source and the hinging action of the first hinge seat and the second hinge seat, so that the corresponding magnetic suspension liquid spraying pipe can be inclined and adjusted, and the spraying direction of the magnetic suspension liquid spraying pipe can be adjusted. The two magnetic suspension liquid spraying pipes can be driven to extend outward or retract inward under the rotating action of the first adapter ring and the second adapter ring through the two second driving sources, the spraying range of the magnetic suspension liquid can be expanded through the driving of the magnetic suspension liquid spraying pipe to retract inward and extend outward, and the flexibility of use is improved.

A disc filtration system and method for dewatering a fibrous suspension is disclosed. The disc filtration system includes a disc filter and a control system. The disc filter includes an inlet for introducing a fibrous suspension into a container, a rotor shaft and a variable speed drive operably coupled to the rotor shaft, and at least one filter element coupled to the rotor shaft, where the at least one filter element rotates with the rotor shaft. The control system measures torque on the variable speed drive and causes the variable speed drive to adjust a rotational speed of the rotor shaft from a first rotational speed to a second rotational speed based on the torque on the variable speed drive.

A separator includes a frame and a separator insert exchangeably disposed on the frame. The separator insert is designed to separate a flowable suspension into at least two flowable phases of different density in a centrifugal field and forms a pre-assembled, exchangeable unit for inserting into stator units on the frame of the separator. Mutually spaced holders having stator units of the bearing devices are formed on the frame, between which holders the housing of the separator insert is non-rotatably retained such that the rotor with the drum remains rotatable. The relative position of the holders can be changed such that the separator insert can be exchanged. The housing and the holders have corresponding interlocking elements in order to non-rotatably retain the housing at the holders.

The invention discloses a preparation method of nano calcium carbonate for a weld joint sealant, which comprises the following steps: mixing a calcium hydroxide suspension with a crystal form control agent consisting of sulfate and water-soluble starch, and carrying out carbonization reaction; after the reaction is completed, adding a surface treating agent compounded by higher sodium aliphatate, ricinoleic acid, potassium monoalkyl ether phosphate and potassium dialkyl ether phosphate, and carrying out surface modification at a specific temperature and a specific stirring speed; and dehydrating, drying and crushing to obtain a final product. The prepared nano calcium carbonate is good in dispersity in a polymer matrix, friction in a composite system can be remarkably reduced, and the flowing property is improved; particularly, the automobile weld seam sealant is endowed with excellent thixotropy and sagging resistance, meanwhile, the automobile weld seam sealant has good thermal stability, antistatic property and low hygroscopicity, the problems that a nano material is easy to agglomerate and the viscosity is unstable in the storage process are solved, and the automobile weld seam sealant is particularly suitable for being used as a high-performance automobile weld seam sealant.

The present application relates to a drum filter comprising a suspension tank for containing a suspension to be filtered, characterized in that the drum filter further comprises a tank head which is sealingly connected to the suspension tank to form a sealed chamber, which is configured for containing a compressed gas having a pressure which can be preset, and which is configured for containing a drum which can be rotated by means of a drum drive, a filter medium which is applied to at least a part of the outer surface of the peripheral surface of the drum, a collection tube which is arranged inside the drum for collecting a filtrate which has passed through the filter medium, and a filter cake discharge tool for separating a filter cake which has been retained by the filter medium and which has built up from the filter medium.

This invention discloses an oil-based phase change microcapsule suspension, comprising: base oil, dispersant, antioxidant, and phase change microcapsules. The phase change microcapsules are controlled at a preset particle size and uniformly dispersed in the base oil. Each phase change microcapsule includes at least a phase change core material and a wall material, with the wall material coating the phase change core material. The phase change core material is a material that undergoes a solid-liquid phase change at a preset critical temperature. The wall material can exchange heat with the phase change core material and also with the base oil. This invention can improve the heat exchange performance of immersed liquid cooling fluids.

The invention discloses an intelligent air pressure sample supply and double-cup uniform mixing device suitable for colloidal suspension, which comprises a standard liquid storage unit, a calibration reaction unit, an air pressure sample supply unit and an emptying cleaning unit, and a liquid supply tank, a calibration cup and a waste liquid collection barrel are all provided with liquid level sensors. The standard liquid storage unit comprises a liquid supply tank and a first stirring mechanism; the calibration reaction unit comprises a calibration cup, a second stirring mechanism and a four-way pipeline joint with a liquid inlet and a liquid outlet; the air compression sample supply unit comprises a clean air source air pump, an exhaust electromagnetic valve and a sample supply pipeline with a one-way valve; the emptying and cleaning unit comprises an emptying pipeline, a waste liquid collecting barrel, a cleaning electromagnetic valve, a cleaning peristaltic pump and a cleaning pipeline. Double-cup stirring is adopted, sedimentation layering and concentration gradient are avoided, the liquid supply tank and the calibration cup respectively adopt a magnetic coupling turbine and a magnetic stirring mechanism to realize low-energy-consumption uniform mixing, multiple functions are integrated, the pain point in the prior art is solved, and the sample supply requirements in multiple fields are met.

The present invention is related to biofuel oily suspensions that use biocarbon in their composition. In this scenario, the present invention provides a biofuel oily suspension, comprising 5 to 50% by weight of micronized biocarbon and 50 to 95% by weight of oil. The biofuel oily suspension of the present invention is better adapted to compression internal combustion engines (diesel type) currently on the market, dispensing with major adaptations to them. Furthermore, the biofuel oily suspension of the present invention is highly sustainable and has an energy volumetric density and viscosity compared to liquid fossil fuels currently on the market.

The invention relates to a solid bowl screw centrifuge which is used for clarifying a flowable suspension (S) in a centrifugal field into a solid phase (SP) and one or more liquid phases (FP) and which comprises at least: a bowl (2) which is mounted for rotation about an axis of rotation (D); and a scroll (3) which is arranged in the bowl (2), is mounted for rotation about the axis of rotation and has a scroll hub (308) and a scroll flight (309) projecting radially from the scroll hub, wherein: a rotatable or non-rotatable feed pipe (5) is provided for feeding the suspension into a distributor (6) which can be rotated together with the scroll (3); the distributor (6) is used to divert the suspension from the axial direction into the radial direction and, during operation, to accelerate the suspension in the circumferential direction and to direct the suspension into a separating space (TR) between the scroll (3) rotating during operation and the bowl (2) rotating during operation; the distributor (6) is inserted into the scroll (3) and has a radial channel for distributing the flow of the suspension to be fed; the distributor (6) is designed as an exchangeable tubular distributor sleeve (61) which, for installation, can be inserted radially into a radial opening (310) in the scroll and, for removal, can be radially taken back out of the radial opening (310).

The invention relates to a separator insert (II) for separating a flowable suspension (Su) in a centrifugal field into at least two flowable phases (Lp, Hp) of different density, which separator insert forms a preassembled, exchangeable unit for insertion into a frame (I) of a separator and has at least the following: one or more components that do not rotate during operation; a rotor (2) that is rotatable about an axis of rotation (D) during operation, wherein the rotor (2) has a drum (3) that comprises one or more openings and is composed of an upper drum part (100) and a lower drum part (101), and wherein the drum (3) has a separating means that is arranged in the drum (3) and rotates with the drum (3), and a distributor, characterised in that at least two or more or all of the functional elements of the separator insert (II) are manufactured as a single-piece prefabricated unit, wherein these functional elements comprise at least the upper drum part or the lower drum part and at least the separating means.

A method for mixing a liquid composition is described, wherein said composition comprises microparticles dispersed in an aqueous liquid carrier and wherein said liquid composition is contained in a container with a longitudinal axis, the method comprising: a first premixing stage in which the container is oscillated about said longitudinal axis clockwise and counterclockwise from a first reference point through a first rotation angle for a first time period and at a first angular velocity; a second premixing stage in which the container is oscillated about said longitudinal axis clockwise and counterclockwise from a second reference point through a second rotation angle for a second time period and at a second angular velocity;and wherein said first angle of rotation is less than said second angle of rotation, and said first time period is shorter than said second time period. A device for mixing a liquid composition is also described.

A solid-wall screw centrifuge, which serves to clarify a free-flowing suspension S in a centrifugal field into a solid phase (SP) and into one or more liquid phases (FP) and comprises at least: a drum (2) rotatably mounted about an axis of rotation (D) and a screw (3) arranged in the drum (2) rotatably mounted about the axis of rotation, with a screw hub (308) and a screw helix (309) projecting radially from it, wherein a rotatable or non-rotatable feed pipe (5) is provided for supplying the suspension to a distributor (6) rotatable together with the screw (3), wherein the distributor (6) serves to redirect the suspension from the axial direction into the radial direction and to accelerate it circumferentially during operation and to direct it into a separation chamber (TR) between the screw (3) rotating during operation and the drum (2) rotating during operation.wherein the distributor (6) is inserted into the screw (3) and has a radial channel for dividing the flow of the suspension to be supplied, wherein the distributor (6) is designed as an interchangeable tubular distributor sleeve (61) which can be inserted radially into a radial opening (310) in the screw for assembly and can be removed radially from the radial opening (310) for disassembly.

The invention relates to a separation device (200) for separating a suspension into at least two flowable phases by means of a centrifugal separator (100) having a frame (I) and a housing (1) which is not rotatable during operation and having separator inserts (II, III) which are designed as pre-assembled exchangeable units, the separator insert (II, III) has at least the following components: a) a rotor (2, 65) which can be rotated about an axis of rotation (D) and which has a cylinder (3, 66) with a cylinder wall; b) separation means are preferably arranged in the cartridge (3, 66); at least one product inlet line (8) and at least one product outlet line (10, 34); c) the area of the separator insert (II, III) that contacts the product is partially or entirely made of plastic; according to the invention, the housing (1) and / or one or more further containers (105, 109, 114) can be loaded directly or indirectly with sterile air A or inert gas by means of a device suitable for this purpose and can be placed under a superimposed pressure by means of this loading, and / or the housing can be placed under a negative pressure by means of the device.

The invention relates to an abrasive suspension machining device for machining the interior of pipes or bores (2), having a high-pressure suspension supply device (30), at least one nozzle head (12) for discharging at least one high-pressure suspension jet (14), which is connected to the high-pressure suspension supply device (30) via a high-pressure line (16), and at least one drive device (20) for moving the nozzle head (12), which is arranged spaced apart from the nozzle head (12) and is coupled to the high-pressure line (16) for its movement in such a way that the nozzle head (12) can be moved in a bore (2) by movement of the high-pressure line (16). The invention also relates to a method for machining a pipe or a bore (2).