1067results about "Rotary centrifuges" patented technology

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

The present invention provides an exchangeable separation insert (1) for a centrifugal separator (100) comprising a rotor casing (2) enclosing a separation space (17) in which a stack (19) of separation discs is arranged, and first and second stationary portions (3, 4). A feed inlet (20) supplies a fluid mixture to to said separation space (17). The insert further comprises a light phase outlet (21) and a heavy phase outlet (22). Said feed inlet (20) is arranged at a first axial end (5) of said rotor casing (2). One of said light phase outlet (21) and heavy phase outlet (22) is arranged at a second axial end (6). A first rotatable seal (15) seals and connects said feed inlet (20) and a second rotatable seal (16) seals and connects one of said light phase outlet (21) and heavy phase outlet (22).

A centrifugal separation system includes a centrifugal separator, a liquid feed mixture conduit, a light phase conduit, a heavy phase conduit, and a flow control system. The flow control system includes a controller, a flow control valve arranged in a light phase conduit, a liquid feed mixture measuring device, and at a light phase measuring device and / or a heavy phase measuring device. The controller is configured to control the flow control valve based on measurements from the liquid feed mixture measuring device and measurements from the light phase measuring device and / or the heavy phase measuring device.

A cone or cylindrical tube stack with narrow in-between gap circumferential surface swirling cyclone separator according to the present invention, creating swirling flow by flowing along the convex outer surface of the inner-stacked cone or cylindrical tube. The inner wall of the outer-stacked cone or cylindrical tube, which is a concave surface, serves as the wall for collecting fluid with larger or higher density particles that is opposite to the surface for swirling, which is disposed in accordance with the separation movement of larger or higher density particles that centrifuged from swirling by their inertial force. The distance that the particles travel towards the wall for collecting fluid with larger or higher density particles is short due to the narrow swirling and separating gaps, combined with the flow on the convex curved surface of the cone or cylindrical tube walls which pressure drag is low, this results in higher swirling speeds than those on the concave inner surface of conventional cyclone, significantly increasing the inertial force of particles centrifuged away from the swirling. Consequently, the separation efficiency of the cone or tube stack circumferential surface swirling cyclone separator according to the present invention is much higher than that of conventional cyclone separators. Especially in cases where the cyclone fluid separator according to the present invention is equipped with multi-stage separation, where the final stage utilizes multiple small cyclones, and in configurations where multiple cones are stacked and equipped with device for swirling and counter-flow separation, which convex fluid drainage ridges are installed on the wall for collecting fluid with larger or higher density particles, the ridges curving towards the side that the swirling flow flows to, sloping from the downstream edges of the cones or cylindrical tubes towards the upstream edges of the cones or cylindrical tubes, which counter to the swirling flow along the convex curved surface of the outer circumferential surface of cone or cylindrical tube. When working with a reverse swirling system, enabling to recycle multiple separation within the system before the fluid exits the separator, enabling high separation efficiency for separating various types of fluids mixed into emulsion or separating micron-level dust such as PM 2.5 from the air.

This disclosure relates to an annular centrifugal extractor with Solid Separation Part to Separate Solid Particles Present in Solvent Extraction Fluid. In order to remove solid particles from the solution, a solid separation part / rotating bowl is attached to rotating bowl in such a way that solid particles settle inside the solid separation part. This solid separating centrifugal extractor contains two parts: (I) upper part which acts as a liquid-liquid separator to separate aqueous and organic solution used in solvent extraction operation and (II) bottom part which acts as a solid separator to separate solid particle present in solvent extraction liquids. The bottom rotating rotor is coupled with upper rotating rotor by threading arrangement. Both the rotating rotors are confined within a stationary cylinder. Dispersion with solid particles entering inside the rotating bowl is deflected towards the wall of the rotating cylinder by deflecting baffle by centrifugal sedimentation.

The utility model belongs to the technical field of kitchen waste treatment, and particularly relates to a solid-liquid separator for kitchen waste recovery, which comprises a delivery pipe and a waste liquid recovery component, the delivery pipe is transversely arranged above the waste liquid recovery component, a feed hopper is embedded and communicated with the right upper part of the delivery pipe, and a crushing device for crushing kitchen waste is arranged in the feed hopper. A second motor is fixedly mounted on the outer wall of the right end of the conveying pipe, an auger is rotationally connected to the inner side of the conveying pipe, the right end of the auger is fixedly connected with the output end of the second motor, the bottom of the right end of the conveying pipe communicates with a first opening correspondingly formed in the top of the right end of the waste liquid recycling assembly, and a filter screen is embedded in the first opening of the conveying pipe; the bottom of the left end of the conveying pipe is detachably connected with a solid-liquid separation assembly through a connecting assembly, the top of the left end of the waste liquid recovery assembly is provided with a second opening corresponding to a bottom liquid outlet of the solid-liquid separation assembly, the outer side of the left end of the auger is fixedly sleeved with a large conical tooth, and the large conical tooth is in transmission connection with the solid-liquid separation assembly through the connecting assembly.

The invention belongs to the technical field of polyurethane sponge recycling, and discloses a polyurethane sponge recycling and regenerating device based on biomass acid continuous degradation, the polyurethane sponge recycling and regenerating device comprises a reaction kettle, the outer side of the lower end of the reaction kettle is provided with a rotation adjusting assembly, and the rotation adjusting assembly is matched with a discharge pipe and other structures; the position of a discharging port is changed in an adjusting mode, so that efficiency is improved, due to the fact that fixed teeth are in a fixed state, a driving gear can rotate along the fixed teeth in a meshed mode when rotating, and when the driving gear rotates, a discharging pipe can be driven to rotate along a sealing bearing, so that the position of the discharging port in the tail end of the discharging pipe is changed; according to the mode, the discharging position can be changed, finally, waste is guided into the centrifugal barrels for centrifugal treatment, the efficiency can be effectively improved through cooperation of the rotary adjusting assembly and the four sets of centrifugal barrels, the four sets of centrifugal barrels can keep the state that two sets run and two sets are cleaned, the efficiency is effectively improved, and the reaction continuity is prevented from being affected.

The invention relates to the technical field of separation equipment, and discloses a waste mineral oil impurity removal, separation and recovery system which comprises a rotary drum component, the rotary drum component is composed of a rotary drum large end and a rotary drum small end which are fixedly connected, and an auxiliary deslagging structure is arranged outside a spiral main shaft located at the rotary drum small end. The auxiliary deslagging structure comprises a sleeve arranged on the outer surface of a circular shaft of the spiral main shaft in a sleeving mode, and a sliding groove in sliding connection with the outer wall of the spiral main shaft is formed in the sleeve. An auxiliary deslagging structure is arranged, oil residue particles do spiral motion along the inner wall of the rotary drum component under the combined action of centrifugal force and spiral thrust, meanwhile, radial pulsation is generated due to reciprocating motion of auxiliary blades, a combined track of spiral advancing and radial oscillation is formed, an oil film structure is damaged through dynamic extrusion, leaked oil is recovered through centrifugal suction, and the oil residue removal effect is improved. And through the synergistic effect of variable-volume extrusion and filtering gaps, oil wrapping is reduced, the oil stripping effect is enhanced, oil residue residues are reduced, and channel blockage is avoided.

The invention discloses a stacked oil support and progressive squeezing cooperation device, and relates to the field of squeezing equipment. A stacked oil support and progressive squeezing cooperation device comprises a collecting barrel and further comprises a material barrel rotationally connected into the collecting barrel, the upper end of the material barrel is open, the inner diameter of the material barrel is sequentially increased from top to bottom, a plurality of sets of filter holes communicated with the collecting barrel are formed in the material barrel at equal intervals, and the filter holes are communicated with the collecting barrel. Each group of filter holes are circumferentially distributed on the charging barrel at equal intervals; the pressure applying disc and the charging barrel are coaxially arranged; through the arrangement that the inner diameter of the charging barrel is small in the upper portion and large in the lower portion, oil separation and discharge are promoted through cooperation with centrifugal force generated by rotation of the air bag, the pressing disc and the charging barrel, the oil extraction rate and efficiency are greatly improved, and when the air bag is overpressure, high-speed airflow sprayed out of the air spraying holes can impact oil agglomeration, promote grease interface updating, reduce viscosity and assist heat dissipation; the oil yield is improved, and the oil quality is guaranteed.

The invention discloses a horizontal spiral discharging sedimentation centrifuge which comprises an assembly cover, a rotary drum, a rotary drum and a spiral conveying blade, wherein the rotary drum and the rotary drum are concentrically arranged. The rotary drum and the rotary drum are of a cylindrical and conical combined structure, and the spiral conveying blade is fixedly connected to the outer side of the rotary drum. A liquid-phase outlet and a solid-phase outlet are respectively formed in two ends of the assembly cover, and a slag discharge port communicated with the solid-phase outlet is formed in the side wall of the rotary drum. The feeding pipe extends into the rotary drum to be connected with the material distribution assembly, the assembly is composed of double rotary discs and a radial material distribution plate, and materials are evenly distributed. The overflow assembly is arranged at the large end of the rotary drum, an adjustable overflow opening is formed through hydraulic adjustment, and the separation effect is optimized. And the driving assembly adopts the design of a differential gear and a redundant motor, so that high-speed and low-speed stable operation of the rotary drum is ensured. The problems that a traditional centrifugal machine is low in separation precision and poor in operation stability are solved, and the solid-liquid separation requirements in the fields of chemical engineering, environmental protection and the like are met.

A lubricating oil pipeline forming a U-shaped channel and a refrigerant containing cavity surrounding the pipeline are arranged in a box body, a refrigerant inlet is formed in the bottom of the refrigerant containing cavity, and a refrigerant outlet is formed in the top of the refrigerant containing cavity. A refrigerant inlet and an oil inlet section of the U-shaped channel are arranged on the same side, and a refrigerant outlet and an oil outlet section of the U-shaped channel are arranged on the same side, so that a heat exchange mode that refrigerants and lubricating oil flow reversely in a high-temperature area and flow downstream in a low-temperature area is formed; heat exchange fins are arranged on the outer wall of the U-shaped channel in the circumferential direction. A porous ceramic area used for adsorbing bubbles can be arranged on the inner side wall of the box body. Through countercurrent flow heat exchange of the U-shaped pipeline, the heat exchange efficiency is improved, the temperature of lubricating oil can be stably controlled to be smaller than or equal to 40 DEG C, the problem of lubrication failure caused by too high oil temperature of the disc separator is solved, and therefore the reliability of the disc separator under long-term high-load operation and the service life of a bearing are guaranteed.

The utility model relates to the technical field of organic fertilizer fertilization, and particularly discloses an organic fertilizer fertilization system and a fertilization method, the organic fertilizer fertilization system comprises a differential pressure centrifugal filtering device, the differential pressure centrifugal filtering device comprises a device body, a centrifugal rotating disc is rotatably arranged in the device body, and a plurality of small filtering holes are formed in the middle of the side wall of the centrifugal rotating disc; a refined filtration liquid storage chamber and a slag liquid storage chamber are arranged in the device body; the bottom section cutting surfaces of the refined filtration liquid storage chamber and the slag liquid storage chamber are arranged in a manner that the middle parts are convex; the centrifugal turntable sequentially penetrates through the middle parts of the refined filtration liquid storage chamber and the slag liquid storage chamber; and a feeding pipe is arranged above the centrifugal turntable. The device has the beneficial effects of low energy consumption, high filtering efficiency, capability of meeting the requirement of applying biogas slurry to a drip irrigation system after treatment and the like.

The utility model discloses a micro-nano powder washing, dispersing and filtering device, which relates to the technical field of powder washing and separating equipment and comprises an outer barrel and a centrifugal barrel, a plurality of through holes I are arranged on the barrel wall of the centrifugal barrel, filter cloth is mounted close to the inner wall of the centrifugal barrel, the barrel bottom of the centrifugal barrel is a smooth arc-shaped bottom surface, and a discharge port is arranged in the center of the bottom of the centrifugal barrel. The bottom of the centrifugal barrel is connected with a driving motor I through a transmission assembly penetrating through the outer barrel, the driving motor I drives the centrifugal barrel to rotate, a liquid outlet is formed in the bottom of the outer barrel, and the problems that in the prior art, micro-nano powder is difficult to wash and disperse, and agglomeration and hardening are prone to occurring when a conventional centrifugal machine is adopted for washing and dispersing are solved.

The present invention provides a method (100) for operating a centrifugal separator (1) for separating at least one liquid phase and a solid phase from a liquid feed mixture. The centrifugal separator (1) comprises a centrifuge bowl (10) arranged to rotate around an axis of rotation (X) and comprising a separation space (9a), in which surface enlarging inserts (17) are arranged, and a sludge space (9b) arranged radially outside the separation space (9a); a drive member (4) for rotating the centrifuge bowl (10) around the axis of rotation (X). The centrifuge bowl (10) further comprises an inlet (11) for supply of the liquid feed mixture, at least one liquid outlet (12, 13) for discharge of a separated liquid phase, a sludge outlet (14) arranged for intermittently discharging a separated solid phase from said centrifuge bowl (10). The method (100) comprises the steps of a) rotating (101) the centrifuge bowl (10) at a rotational speed; b) supplying (102) the liquid feed mixture to the centrifuge bowl (10); c) separating (103) said liquid feed mixture in the centrifuge bowl (10) into at least one liquid phase and a solid phase; d) discharging (105) the solid phase from the centrifuge bowl (10); e) measuring (106) the decrease in rotational speed as a function of time immediately after step d); and f) controlling (107) the centrifugal separator (1) based on the measurements in step e).

The invention relates to the technical field of environmental protection equipment, and particularly discloses a metal scrap and scrap processing and recycling device which comprises a centrifugal mechanism, the centrifugal mechanism comprises a centrifugal cylinder, first-stage filter holes, a top opening and a bottom opening, the first-stage filter holes are formed in the centrifugal cylinder in an array mode, the top opening is formed in the middle of the top of the centrifugal cylinder, and the bottom opening is formed in the middle of the bottom of the centrifugal cylinder; the bottom opening is formed in the middle of the bottom of the centrifugal barrel, the top of the centrifugal barrel is connected with the crushing mechanism, the crushing mechanism comprises a feeding hopper, a transfer plate and a communicating notch, and the crushing mechanism and the rolling wheels are driven to rotate through rotation of the centrifugal barrel; therefore, crushing and solid-liquid centrifugal separation of the metal scraps and the chippings are achieved, discharging of oil in the oil collecting cover is enhanced, the metal scraps and the chippings are crushed, the situation that centrifugal separation of the oil and the metal scraps and the chippings obtained after oil separation are affected due to the fact that the solid size is large are prevented, the metal scraps and the chippings can be better reused, and resource recycling of the metal scraps and the chippings is achieved.

The invention relates to the technical field of horizontal screw sedimentation centrifuges, in particular to a horizontal screw sedimentation centrifuge with an automatic feeding and discharging module, which comprises a rack, a rotary drum is rotatably mounted on the rack, two groups of housings are arranged on the rack, a spiral pusher is rotatably mounted in the rotary drum, a coupling shaft is fixedly mounted at one end of the spiral pusher, and a feeding and discharging module is arranged on the coupling shaft. A feeding pipe is arranged on one side of the connecting shaft, a feeding treatment mechanism is arranged on the feeding pipe, a detection speed reducing mechanism is arranged on the outer side of the connecting shaft, a mounting cover is arranged on the outer side of the rotary drum, and an extrusion vibration mechanism is arranged on the mounting cover; auxiliary speed reduction is performed on the connecting shaft rotating at a high speed through the detection speed reduction mechanism, meanwhile, auxiliary extrusion dewatering is performed on a solid phase which is not fully dewatered, and meanwhile vibration is generated at the feeding port so as to vibrate and dredge materials accumulated at the feeding port, so that the situation that follow-up treatment work is affected due to the fact that the materials are accumulated at the feeding port is avoided.

[Problem] To provide a centrifugal separation device and a separation plate. [Solution] This centrifugal separation device 100 has a plurality of separation plates 12 stacked at a prescribed spacing in a stacking direction inside a rotary container 11, and separates, through centrifugal force, components having different specific weights contained in a fluid 13 to be treated, wherein: the centrifugal separation device comprises a protruding / recessed pattern 15 that is made of protrusions 12A and recesses 12B on a separation plate 12-1 and that is formed in line segments along the generatrix of a conical surface 14 of the separation plates 12 and formed from a lower edge 14A of the conical surface 14 to an upper edge 14D side of the conical surface 14, and strip-shaped gap pieces 16 that are provided on the surface side of the conical surface 14 of the separation plates 12 to follow the generatrix of the conical surface 14 and that is for maintaining the prescribed spacing D with another sequentially stacked separation plate 12-2; and an angle (α1) formed between a first protrusion 12A-1 forming the protruding / recessed pattern 15 and a second protrusion 12A-2 adjacent to the first protrusion 12A-1 is 10 degrees or lower between the gap pieces adjacent in the circumferential direction.

The present invention provides a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture. The separator is comprising a rotatable portion (10), a stationary portion (2) and a drive motor (4) arranged for rotating the rotatable portion (10) relative said stationary portion (2) around an axis of rotation (X). The rotatable portion (10) comprises a centrifuge bowl (10a) and a rotatable shaft (7) onto which said centrifuge bowl (10) is mounted. The centrifuge bowl (10a) comprises a separation space (9a), in which surface enlarging inserts (17) are arranged, an inlet (11) for supply of the liquid feed mixture, at least one liquid outlet (12, 13) for discharge of a separated liquid phase. At least one bearing (5, 6) is mounted to the rotatable portion (10) to facilitate its rotation, wherein said at least one bearing (5,6) is a grease-lubricated bearing.

The present invention provides a method (100) of operating a centrifugal separator (1). The centrifugal separator (1) comprises a centrifuge bowl (10) arranged to rotate around an axis of rotation (X) and in which the separation of a liquid mixture takes place, a stationary hood (2) which defines at least part of a surrounding space (3) in which said centrifuge bowl (10) is arranged, a drive member (4) configured to rotate the centrifuge bowl (10) around the axis of rotation (X). The centrifuge bowl (10) further comprises an inlet (11) for receiving the liquid mixture to be separated and at least one liquid outlet (12, 13) for discharging a separated liquid phase. The method (100) comprises the steps of a) separating (101) the liquid feed mixture into at least one separated liquid phase in the centrifuge bowl (10); b) collecting (103) contaminated water from at least one unit of the centrifugal separator (1); and c) resupplying (106) said contaminated water to the centrifugal separator to flush the surrounding space (3). The present invention further provides a centrifugal separation system (200) for separating at least one liquid phase and a solid phase from a liquid feed mixture.

A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. In further embodiments, a system and method is offered for harnessing fields created by a system having rotating rotors and / or disks having waveform patterns on at least one side to produce current within a plurality of coils. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

A centrifugal separator (100) is disclosed, comprising a rotatable part (110), a stationary part (120), and a seal arrangement (201, 202). The rotatable part is configured to be rotated relative to the stationary part to separate a feed mixture into at least a first fraction and a second fraction. The seal arrangement comprises a rotatable sealing member (210) comprising a first sealing surface (212), and a stationary sealing member (220) comprising a second sealing surface (222). The first sealing surface and the second sealing surface face each other to form a sealing interface between the stationary part and the rotatable part. At least one of the first and second sealing surfaces is textured with a plurality of depressions (230) for reducing a friction in the sealing interface.

The disclosure concerns a seal cartridge (14) for a centrifugal separator (2). The seal cartridge (14) comprises a first sealing unit (20) and a second sealing unit (22). The first sealing unit (20) is connectable to a stationary structure (13) of the centrifugal separator (2) and the second sealing unit (22) is connectable to a rotatable system (9) of the centrifugal separator (2). At least a portion of a first fluid flow path (16) extends through the first and second sealing units (20, 22) and the first and second sealing units (20, 22) are arranged in sealing abutment to seal the first fluid flow path (16). The first sealing unit (20) is arranged in a first casing portion (24), and the second sealing unit (22) is secured in relation to the first casing portion (24) such that the seal cartridge (14) forms one entity.

A purification system (1) includes a disc stack centrifugal separator (3) with a disc stack (31) made of stacked discs (33) having circumferentially spaced-apart distribution holes (39). The distribution holes are configured to distribute a contaminated product over a distribution part (41) of a curved surface area (35) of the disc stack. The distribution part extends around the circumference of the disc stack and over 20%-70% of a total distance (d) between a base periphery (37a) and a top periphery (37b) of the disc stack. At least one pressure control device (11a, 11b) is fluidly connected with at least one of a light phase outlet and a heavy phase outlet and controls a level of backpressure provided to the light phase outlet and / or the heavy phase outlet to adjust a position of an interface between a light phase and a heavy phase in the disc stack during purification.

Separating plate (7) for a plate pack (2) for use in a centrifuge, which has an inner edge (17) and an outer edge (16) which are spaced apart from one another at a maximum radial distance (A), characterized in that the separating plate (7) has rising channels (12), the center of which, starting from the inner edge (17), is less than 20% of the maximum radial distance (A) and that the separating plate (7) has, in the radial direction beyond the rising channels (12), only tabs (9, 10) which have a length of less than three times their width.

The utility model discloses a feed pipe for disc type separator and disc type separator, its feed pipe includes pipe body, annular edgefold, sealing pad and installation subassembly, the pipe body is provided with annular edgefold, the sealing pad is installed on the upper end face or lower end face of annular edgefold through the installation subassembly. The bottom of the feeding pipe is sealed, a feeding hole is formed in the side face and serves as the discharging direction of the feeding pipe, fed materials can directly enter a liquid pool, foam generation is reduced, meanwhile, the rotary drum body and the distributor are driven by the vertical shaft to rotate at a high speed, sealing is generated between the sealing gasket and the distributor, and generated foam is difficult to turn upwards. Materials enter the discs to be separated through the feeding holes of the distributor, and separated clear liquid is pumped out of the separator through the centripetal pump. Through the feeding pipe, materials can be effectively prevented from turning over from the center of the distributor, and the separation effect of the disc type separator is improved.

The present invention discloses a dust environment simulation device, comprising: a simulation chamber, a grading component, a storage component, a fan-shaped nozzle and a moving mechanism. A dust concentration detector is installed in the simulation chamber, the grading component is installed outside the simulation chamber, the grading component is suitable for screening dust according to particle size, the storage component is located in the simulation chamber, the storage component includes a plurality of storage boxes, and the plurality of storage boxes are suitable for storing dust of different particle sizes after screening. The grading component is connected to the storage box so as to be suitable for inputting the classified dust into the storage box, an air intake pipe is provided on the storage box, the air intake pipe is suitable for an external blower, the fan-shaped nozzle is docked with a separate storage box so as to be suitable for spraying the dust in the corresponding storage box into the simulation chamber, the dust is screened and stored separately according to particle size, and the required particle size is selected according to actual needs and discharged separately to accurately adjust the dust concentration.

The invention discloses a horizontal type spiral sedimentation disc centrifugal machine, and belongs to the technical field of centrifugal machines, a plurality of dispersing openings are formed in the outer wall of a spiral conveyor in the circumferential direction in an annular array mode, the dispersing openings are arranged into multiple sets in the axis direction of the spiral conveyor, and first sliding grooves are formed in the dispersing openings; a first sliding groove is formed in the middle of the disc, a first sliding block is arranged in the first sliding groove in a sliding mode, one end of the first sliding block is elastically connected with the inner end face of the first sliding groove through a first spring, and a torsion shaft is rotationally installed on the first sliding block. According to the centrifugal machine, the slag discharging speed can be increased through forward pushing, further dehydration can be achieved through backward extrusion, the stepped smashing effect of the discs and the fluid mechanics dispersing effect of the dispersing holes on the residues are combined, the residues can be effectively prevented from adhering and caking, the risk that the slag outlet is blocked is remarkably reduced, and continuous and stable operation of the centrifugal machine is guaranteed.

This utility model discloses a conical drum device for a horizontal decanter centrifuge, relating to the field of horizontal decanter centrifuge technology. It includes a straight drum body and a conical drum body, with a positioning component between them. The positioning component includes an inner positioning groove fixedly formed on the inner wall of the end of the straight drum body, and an outer positioning groove fixedly formed on the outer ring of the end of the conical drum body. The outer and inner positioning grooves are interlocked. This utility model, through the installation of the positioning component, pre-positions the welding area between the straight and conical drum bodies before welding, thereby ensuring the welding quality. This solves the problem in existing horizontal decanter centrifuges where the conical and straight drum bodies cannot be pre-positioned before welding, leading to easy misalignment during welding and affecting the welding quality.

The invention discloses a horizontal centrifugal machine for suspension liquid separation and a control method thereof.The horizontal centrifugal machine comprises a machine shell, a rotary drum, a transmission component, a feeding component and an isolation component, and the rotary drum is arranged in the machine shell; the rotary drum is hollow and forms a centrifugal cavity, and an opening is formed in one side of the centrifugal cavity; sieve pores are formed in the annular side wall of the rotary drum and are used for carrying out solid-liquid separation on the suspension liquid; the transmission part is arranged on the machine shell. The transmission part is connected with the rotary drum and used for driving the rotary drum to rotate; the feeding part is arranged on the machine shell; one end of the feeding part extends out of the shell, and the other end of the feeding part extends into the centrifugal cavity from the opening and is used for introducing suspension liquid; the isolation component is nested on the feeding component; the isolation part is flush with the opening, and the outer edge of the isolation part is close to the inner wall of the rotary drum; and an annular gap is formed between the isolation part and the rotary drum and is used for filtering out a solid-phase product. The isolation part is arranged at the opening position of the centrifugal cavity, so that aerosol overflow is reduced, and the solid-phase and liquid-phase separation quality is improved.

This invention provides a centrifuge device for preparing high-content salicylates, relating to the technical field of centrifuge devices. It includes a centrifuge housing, inside which a centrifuge cylinder is rotatably mounted. A drainage groove is provided between the lower end of the centrifuge cylinder and the lower interior of the centrifuge housing. A drainage pipe communicating with the outside is provided on one side of the centrifuge housing. The drainage groove and the drainage pipe are connected. An inner cylinder is linked inside the centrifuge cylinder, and a water-blocking ring is provided on the outer side of the inner cylinder. The water-blocking ring is fixedly mounted on the outside of the inner cylinder, and a drainage space is left between the inner cylinder and the water-blocking ring. A motor is located at the lower interior of the centrifuge housing, and a first cylinder is linked to the output end of the motor. A base is linked to the upper end of the first cylinder. This invention, by cooperating with the inner cylinder inside the centrifuge cylinder, distributes some of the material pressure, ensuring that the thickness of the material adhering to the inner cylinder and the inner wall of the centrifuge cylinder is not excessive, resulting in better centrifugation effect.