152results about How to "Improve centrifugal effect" patented technology

The invention relates to a high-efficiency pneumatic pipe bundle phase-change dedusting and demisting device and application. The device comprises a hollow barrel with two ends open, an upper barrel sealing plate, a lower barrel sealing plate, rotational flow sections, pipe-bundle-type water mist distribution sections and a water retaining section, the rotational flow sections of more than two stages are arranged coaxially in the inner-layer barrel from bottom to top at intervals, each pipe-bundle-type water mist distribution section is arranged coaxially between each two corresponding rotational flow sections, and the water retaining section is coaxially arranged on the inner-layer barrel below the upper barrel sealing plate in an outer-edge-sealed manner. The device can effectively remove liquid drops, dust and superfine dust of smoke systems or industrial waste gas systems, is good in demisting and dedusting effect and is lower in energy consumption and more energy saving when compared with wet-type electric dedusting. In addition, by the device, arrangement space is saved, and power equipment is omitted; the device has good dedusting and demisting effect while energy consumption is lowered, and can be applied to dedusting and demisting of industrial tail gas.

A bearing isolator seal includes a rotor and stator wherein the stator has inboard and outboard radial projections which define a groove bounded by groove side faces and a groove bottom face. The rotor extends radially and then axially so as to lie closely adjacent to the terminal end of the outboard radial projection on the stator to define an entrance passageway. The bearing isolator seal includes a surface geometry which is believed to result in improved exclusion of contaminants, particularly from high velocity water spray, wherein the entrance passageway is angled to increase the rotational effects of exclusion during shaft rotation, and wherein the groove side faces are also angled to assist in redirecting spray and other contaminants away from the passageway.

The invention relates to a self-closing pressing centrifuge rotating disc. The technical scheme of the invention is that the centrifuge rotating disc comprises a rotating disc main body, a link mechanism and a pressing column, wherein a movable test tube groove is formed in the rotating disc main body; the middle end of the link mechanism is connected with the rotating disc main body; one end of the link mechanism is provided with a left connecting point connected with the test tube groove, and the other end of the link mechanism is provided with a right connecting point connected with the pressing column. The centrifuge rotating disc aims to be used for slantly placing test tubes before the centrifuge is utilized, the test tubes are enforced to be horizontally placed for centrifugation because of the centrifugal effect in the using process, and the centrifuge can be opened by directly pressing the pressing column.

The invention discloses a tubular centrifuge and a method thereof for keeping balance of a rotating drum. The tubular centrifuge comprises a frame, the rotating drum and a driving device; the driving device is arranged on the frame, is connected with the rotating drum, and is used for driving the rotating drum to rotate around the axis of the rotating drum in the vertical direction; an induction device is used for monitoring if the rotating axis of the rotating drum is deviated from the vertical direction and generating a rotating drum position signal when monitoring that the rotating axis of the rotating drum is deviated from the vertical direction; and a magnetic return device is fixed on the frame, is connected with the rotating drum, is connected with the induction device, receives the rotating drum position signal, and drives the rotating drum to enable the rotating axis of the rotating drum to return to the vertical direction according to the rotating drum position signal. The tubular centrifuge can effectively guarantee the rotating axis of the rotating drum to be always in the vertical direction, enables the rotating drum to keep the balance state, and effectively guarantees stable operation.

The invention discloses a spiral venturi scrubber comprising a venturi pipe and a first water-sealing type water discharging device, wherein the venturi pipe is formed by connecting a retractable pipe, a compressed throat pipe and a spiral gradually-expanded pipe in sequence; the retractable pipe and the spiral gradually-expanded pipe are internally and respectively provided with first and second spraying and washing devices; and the bottom of the scrubber is provided with a water outlet which is connected with the first water-sealing type water discharging device. The invention further discloses a wet-method desulphurization and denitration dust-collecting system comprising a main desulphurization dust-collecting tower, a secondary desulphurization dust-collecting tower, a dehydrator and the spiral venturi scrubber; and the scrubber is communicated with the bottom end of the main desulphurization dust-collecting tower through a connecting flue; the top of the main desulphurization dust-collecting tower is communicated with the top of the secondary desulphurization dust-collecting tower through the dehydrator; and an air inlet of the secondary desulphurization dust-collecting tower is higher than the bottom surface of the dehydrator. The spiral venturi scrubber has the advantages of small volume, low energy consumption, high dust-collecting efficiency, good desulphurization and denitration effects and the like.

The invention discloses a solid-liquid separation device for primary sewage treatment. The device comprises a bottom hollow case and a top hollow case, wherein the bottom of the bottom hollow case isprovided with a plurality of connecting plates through screw bolts; one support rod is arranged in the center of the bottom of each connecting plate. The centrifugal force principle is used to realizethe filtering effect; by using the device, the bottom hollow case and the top hollow case can be freely combined or dismounted, so that inside filtered sundries can be conveniently discharged. In addition, through a centrifugal filtering rotating mechanism arranged in the device, when inside sewage rotates to generate an eddy current phenomenon, the eddy current enables impurities in the sewage to generate the centrifugation phenomenon, so that the impurities can move towards the outer side; liquid in the sewage can enter the inside of a hollow structure for the centrifugal filtering rotatingmechanism through a filter hole for the centrifugal filtering rotating mechanism; under the gravity effect, the liquid in the sewage can be discharged out through a main liquid discharging pipeline;when an electric motor rotates faster, when the generated centrifugal force effect is stronger, the filtering effect is better; the practicability is higher.

The invention relates to a process for preparing a needle coke raw material by using coal-tar pitch and through heavy-phase circulation. The process comprises the steps that: (1) coal-tar pitch is sufficiently mixed with a first solvent; first solvent insoluble matters are removed from the mixture with a physical separation method, such that a first clarified liquid is obtained; (2) the first solvent is removed by separation; the obtained residual component is subjected to hydrogenation, such that refined pitch is obtained; (3) the first solvent insoluble matters and a second solvent are sufficiently mixed; second solvent insoluble matters are removed from the mixture with a physical separation method, such that a second clarified liquid is obtained; (4) the second solvent in the second clarified liquid is removed by separation, such that a refined heavy component is obtained; and (5) the refined pitch and the refined heavy component are mixed, such that the raw material used for preparing needle coke is obtained. With the process provided by the invention, the obtained needle coke raw material has high polyaromatic condensed polycyclic aromatic content, such that needle coke product yield is effectively improved.

Multiple designs and methods for aerodynamic separation nozzles and systems for integrating multiple aerodynamic separation nozzles into a single system are disclosed herein. These aerodynamic separation nozzles utilize a combination of aerodynamic forces and separation nozzle structure to induce large centrifugal forces on the fluids that in combination with the structure of the nozzle are used to separate heavier constituents of the fluid from lighter constituents, and more particularly to separate a first or liquid phase from gaseous phases. In some embodiments a number of separation nozzles are combined into a single system suitable for dynamic processing of a process gas. In other embodiments the separation nozzles are temperature controlled to condition the incoming gas to a temperature in order to encourage a phase change in certain constituents of the gas to occur within the nozzle to further enhance separation.

The invention relates to the technical field of environmental protection equipment. The invention relates to wastewater treatment equipment, in particular to movable small wastewater treatment equipment. Sewage is subjected to purification treatment, particle impurities in sewage can be conveniently and effectively separated, the particle impurities in the sewage are prevented from blocking equipment, normal operation of the equipment is guaranteed, meanwhile, the particle impurities in the sewage are subjected to multi-section purification treatment, the particle impurities can be effectivelyprevented from causing overstock damage to the equipment, the equipment is conveniently protected, and practicability and reliability are improved. The equipment comprises a treatment bin, four groups of self-locking universal wheels, a water inlet pipe, an overflow pipe, a centrifugal hopper and a first annular chute, the four sets of self-locking universal wheels are evenly installed at the bottom of the treatment bin, the water inlet pipe is installed on the left side of the treatment bin, the overflow pipe is installed on the upper right side of the treatment bin, the centrifugal hopper is located on the lower side in the treatment bin, the bottom of the centrifugal hopper is sealed, and the first annular sliding groove is formed in the bottom of the centrifugal hopper.

The invention discloses a centrifuge for automatically separating pulp and dregs. The centrifuge comprises a machine bin for fixing a gearbox and a stepping motor, and a liquid collecting bin for filtering, wherein the stepping motor is connected to the gearbox through a driven shaft; a liquid outlet is formed right below the liquid collecting bin; a feeding tube for conveying a material is arranged at the outer side of the liquid collecting bin; the output end of the gearbox is connected to a filtering frame in the liquid collecting bin through a rotating shaft, so that the gearbox drives the filtering frame to rotate; the filtering frame has a frame structure of which the outer end is provided with an opening and the middle is provided with a filtering screen; the output end of the feeding tube extends into the filtering frame from the opening end of the filtering frame; a dreg outlet is formed in the bottom part of the liquid collecting bin at the outer part of the opening end of the filtering frame. According to the centrifuge, a washing plate reciprocates in the filtering frame, so that the material on the filtering screen can be removed without stopping the centrifuge, and as a result, the working efficiency can be greatly improved.

The invention relates to a device using a cyclone separator to sort granular sludge and floc sludge, and a use method thereof. The device comprises an SBR reactor, a regulating water tank, a main bodycyclone, a floc sludge storage tank, a granular sludge storage tank, a supporting member and an automatic control system; the SBR reactor and the main body cyclone are fixedly arranged on the supporting member, and the regulating water tank is connected with the SBR reactor through a first pipeline; the SBR reactor is connected with the main body cyclone through a second pipeline; the SBR reactoris connected with the floc sludge storage tank through a third pipeline; the bottom flow opening of the main body cyclone is connected with the granular sludge storage tank in series through a fourthpipeline; the overflow opening of the main body cyclone is connected with the floc sludge storage tank in series through a fifth pipeline; and the automatic control system includes a time controller.The device has the advantages of reasonable structure design, reliability in running, low production and operation cost, convenience in later stage maintenance, and high automation degree, and can beused to solve many problems in the prior art.

The invention relates to the technical field of biological cells, and discloses cell research centrifugal equipment for fixing a test tube through negative pressure. The cell research centrifugal equipment comprises a motor, the top of the motor is rotatably connected with a rotating shaft penetrating through a fixed table, the top of the rotating shaft is fixedly connected with a storage plate, storage cylinders arranged at equal intervals are inserted into the tops of the storage plate, storage grooves are formed in the tops of the storage cylinders, air cavities are formed in the lower portions of the interiors of the storage cylinders, threaded rods are rotatably connected to the inner top walls of the air cavities, pinions are fixedly connected to the bottoms of the threaded rods, andthe threaded rods is sleeved with pistons and ratchet wheels. When the pistons reach the bottom wall of the air cavity, the pistons stop moving downwards, the threaded rods drive the storage cylinders to rotate on the storage plate under the action of the pinions, so that the effect that the centrifugal test tube rotates while revolving around the center of the storage plate is achieved, the movement of the centrifugal test tube is more variable and complex, and the centrifugal effect of biological cells is better.

The invention discloses a centrifugal machine for pharmaceutical manufacturing. The centrifugal machine comprises a machine case, a case cover, a centrifugal bin and a centrifugal tube, wherein a baseis arranged at the bottom of the machine case, the base is fixedly connected with the machine case through bolts, a controller is arranged on the surface of the machine case, the controller is fixedly connected with the machine case through bolts, a hinge is arranged at the upper part of the machine case, the case cover is arranged on the upper part of the hinge, the case cover is rotationally connected with the machine case through the hinge, a supporting plate is arranged in the machine case, a motor is arranged on the upper portion of the supporting plate, and the motor is fixedly connected with the supporting plate through bolts. According to the centrifugal machine for pharmaceutical manufacturing, the motor is started through the controller to drive a connecting shaft to rotate so as to enable the centrifugal bin to rotate, liquid with different densities in the centrifugal tube is separated by centrifugal force, a separation screen arranged inside the centrifugal tube can separate solid particles in the liquid, the liquid separation is facilitated, a liquid outlet is opened by rotating a control valve, the internal separated liquid is discharged and solid-liquid separationis realized.

The invention discloses a filter bag reinforced self-cleaning type centrifugal machine. The filter bag reinforced self-cleaning type centrifugal machine comprises a shell, a rotary drum arranged in the shell, a power device arranged in the shell for driving the rotary drum to rotate and a filter bag located in the rotary drum, wherein the outer wall of the filter bag clings to the inner wall of the rotary drum; the structure of the power device for driving the rotary drum to rotate is arranged into one comprising a main shaft, a lifting shaft, a lifting cover, a first driving mechanism and a second driving mechanism; by arranging the structures of the main shaft, the lifting shaft, the lifting cover, the first driving mechanism and the second driving mechanism, in the process of driving the rotary drum and the filter bag to synchronously rotate, the filter bag can be pulled to shrink and stretch, and accordingly, materials attached to the wall of the filter bag directly fall off, so that the purposes of realizing filter bag self-cleaning and improving the centrifugal effect are achieved; and at the same time, a plurality of reinforcing strips are arranged on the outer surface of the filter bag so as to improve the tensile strength of the filter bag, and the filter bag can closely cling to the inner wall of the rotary drum after being reset.

The invention discloses a centrifugal machine for disinfection bath foam preparing, and relates to the technical field of disinfection bath foam preparing. A base is included. A machine case is arranged at the upper end of the base. Side plates are correspondingly arranged on the two sides of the upper surface of the machine case. A machine barrel is arranged between the two side plates. An annular pipe is arranged on the outer surface of the machine barrel in a surrounding manner. One side face of the annular pipe communicates with a connecting pipe. The inner side face of the connecting pipecommunicates with sprayers. The lower surface of the annular pipe communicates with a conveying pipe. An outer drum is arranged in the machine barrel and internally rotationally connected with an inner drum. Through the design of the double drums, the centrifugal force of the centrifugal machine is increased, accordingly, the material centrifuging effect is improved, and solid particles and liquid in liquid materials are more thoroughly separated; and meanwhile, through the link action of an electric air heater and a high-pressure water pump, residual solid particles adhering into the centrifugal machine can be dried and separated, cleaning is easy, operation is simple, and the cleaning efficiency is high.

The invention belongs to the technical field of centrifuges, and particularly relates to a table centrifuge. A rotor, a machine case and a controller are included. The rotor is connected to the centerpart of the machine case through a drive module, and a first annular boss is arranged at the upper portion of the rotor. A case cover is arranged at the upper portion of the machine case. An anti-leakage cover is arranged at the middle portion of the case cover, and a second annular boss is arranged at the lower end of the case cover. Balls are connected between the second annular boss and the first annular boss. The case cover is further provided with an auxiliary rotation module. The drive module comprises a sleeve, a first motor, a conical roller bearing and an adjusting gasket, wherein the sleeve is connected to the axis position of the bottom of the rotor, the first motor is arranged at the axis line of the rotor, and the output end of the first motor is connected with the bottom ofthe rotor through a connecting rope. A rope is twisted to a certain degree to drive the rotor to rotate, the situation that vibration generated during motor work is transmitted to the rotor is avoided, the rotor rotation stability is improved, and accordingly the centrifuging effect and work quality of the centrifuge are improved.

The invention belongs to the technical field of waste paper recycling, in particular to a paper pulp recycling method. A recycling device adopted in the process comprises a recycling tank, and furthercomprises supporting legs, a feed inlet, a discharge outlet, a motor, a worm wheel, a mounting frame, a transmission mechanism, a primary filtration unit, a secondary filtration unit and a controller, wherein the controller is used for controlling the work of the recycling device, the supporting legs are installed at the bottom of the recycling tank, water is sprayed to waste paper with a sprayerand is frozen, the water turns into ice after being frozen, at the moment, the volume is increased, the waste paper is opened and torn, and meanwhile the waste paper becomes brittle after being frozen so as to be more easily smashed sufficiently; a crushing mill is used for crushing; and when the crushing mill crushes ice blocks, the waste paper is crushed through the ice blocks, at the moment, the crushed ice blocks further tear the waste paper, the smashing effect is improved, the fiber content of the dissolved waste paper is greatly improved, and the extraction rate of the fibers in the waste paper is improved.

The invention relates to a flue gas waste heat recovery device which comprises an outer shell, a vertical inner air duct and a circulating water system. An air inlet pipe is arranged on one side of the outer shell, an air outlet pipe and the circulating water system are arranged on the other side of the outer shell, the air inlet pipe is communicated with the vertical inner air duct, and a spiral blade is arranged in the vertical inner air duct. The spiral blade is of a spiral rising structure around a circulating water vertical pipe, and four receiving hoppers which are connected up and down are arranged in the outer shell. In industrial production, waste heat of waste gas accounts for a large amount of heat losses, high-temperature flue gas exhausted by an asphalt mixing plant contains a large amount of water vapor and carries a large amount of waste heat, the waste heat in the flue gas can be recycled, a large amount of energy can be saved, fuel is saved for subsequent stone drying, and air pollution is greatly reduced. And meanwhile, the production cost of enterprises can be reduced, and important practical significance is also achieved for meeting the strategic requirements of energy conservation and emission reduction.