60results about How to "Change size" patented technology

The utility model discloses a gas-liquid separation device, which belongs to the technical field of gas-liquid separation devices and comprises a gas-liquid separation tank, support legs are arranged below the gas-liquid separation tank, an inlet connecting pipe is arranged on the side wall of the gas-liquid separation tank, an outlet connecting pipe is arranged at the bottom of the gas-liquid separation tank, and a top cover is arranged at the top of the gas-liquid separation tank. An air outlet pipe is arranged on the top cover and connected with the air suction pump, a slow flow mechanism and a partition plate are arranged in the air-liquid separation tank, a mounting hole is formed in the partition plate, a mounting frame is arranged in the mounting hole, and a plurality of rotatable air guide plates are arranged in the mounting frame. According to the utility model, the flow slowing mechanism is arranged in the gas-liquid separation tank, the movement path of gas-liquid mixed fluid in the gas-liquid separation tank is prolonged by utilizing the flow slowing mechanism, the separation time is prolonged, and the gas-liquid separation is more thorough; the angle of the gas guide plate is changed and adjusted through the linkage mechanism, the size of the exhaust channel is changed, and the gas exhaust speed is changed.

The utility model relates to the technical field of test box point distribution, in particular to an ozone aging test box calibration point distribution device which comprises a first-stage pipe, a second-stage pipe is slidably connected to the left end of the first-stage pipe, a third-stage pipe is slidably connected to the left end of the second-stage pipe, a positioning pipe is slidably connected to the right end of the first-stage pipe, and a supporting disc is fixed to the right end of the positioning pipe. Two measuring rulers are fixed outside the first-stage tube, the second-stage tube and the third-stage tube, two connecting plates are arranged outside the first-stage tube and the second-stage tube, a locking block is arranged on the inner side of each connecting plate, a plurality of point distribution rings are arranged outside the first-stage tube, the second-stage tube and the third-stage tube, and the first-stage tube, the second-stage tube and the third-stage tube are connected with the second-stage tube. A locking block is arranged on the inner side of each point distribution ring, and a sensor is arranged at the top of each point distribution ring; according to the utility model, the primary pipe is used for positioning the diode, the diode is used for positioning the triode, the jacking disc can ensure the stability of the whole device, and meanwhile, the application range of the whole device is widened.

The utility model discloses a kind of sludge separation recycling devices, belong to sludge recycling technical field, the device includes base, filter cartridge, shaft, connecting rod and extrusion plate. Among them, filter cartridge is fixed on base, shaft is arranged inside filter cartridge, connecting rod is provided with several, all are fixed on shaft, and extrusion plate is rotatably connected on connecting rod. The inner wall surface of filter cartridge is fixed with several convex parts, extrusion plate, convex part and filter cartridge are enclosed to form extrusion cavity. The advantage of the utility model is that: extrusion plate is gradually rotated by the effect of abutting with convex part in the process of following connecting rod rotation, and gathers extrusion cavity, so that the sludge in it is extruded, so that it is extruded from the filter hole of filter cartridge, so as to improve the efficiency of sludge extrusion.

The utility model discloses an adjustable hydraulic joint which comprises a first connecting part and a second connecting part, a connecting assembly is fixedly connected between the first connecting part and the second connecting part, one end, close to the second connecting part, of the first connecting part is fixedly connected with a storage pipe, and a sealing assembly is arranged in the storage pipe. An inserting pipe is fixedly connected to the end, close to the first connecting part, of the second connecting part, a transmission assembly is in transmission connection with the middle of a pipe body of the inserting pipe, a positioning assembly is movably connected to the end, away from the storage pipe, of the pipe body of the inserting pipe, and a sealing gasket is movably connected to the interior of the storage pipe; according to the hydraulic connector, the size of a pipeline passing through an opening can be adjusted by adjusting the position of the movable plate, accurate, stable and flexible flow control can be achieved, and therefore the performance and reliability of a whole hydraulic system are improved.

The utility model provides a plunger balancing device and dialysis equipment, the plunger balancing device comprises a pump body and a plunger, the pump body is provided with a cavity, the plunger is arranged in the cavity, the plunger is in sliding sealing connection with the cavity, and the plunger is used for dividing the cavity into a first cavity and a second cavity; the pump body is provided with a first liquid inlet and a first liquid outlet which are communicated with the first cavity, and a second liquid inlet and a second liquid outlet which are communicated with the second cavity; the four valve bodies are respectively arranged at the first liquid inlet, the first liquid outlet, the second liquid inlet valve and the second liquid outlet; the linear driver is connected with the plunger and used for driving the plunger to move along the cavity. According to the plunger balancing device, the plunger structure is driven to do linear reciprocating motion in a linear driving mode, and compared with a rotary driving scheme, the overall operation precision and stability of the plunger balancing device are improved.

The utility model discloses a grating assembly capable of forming Wufu characters, which relates to the technical field of optical systems and comprises a substrate. A fixed plate is fixedly connected to one side of the top end of the substrate, a movable plate is slidably connected to the top end of the substrate, and a laser transmitter is arranged on the side, away from the fixed plate, of the movable plate; the inner side of the bottom plate is slidably connected with a connecting plate, and the end of the connecting plate is fixedly connected with a fixing block. According to the utility model, the laser emitter is arranged, the diffraction optical grating is irradiated, a five-welfare pattern diffraction light field can be completely generated, the laser emitter can adjust the front-back position, and meanwhile, the grating mounting rack for mounting the diffraction optical grating can also move front and back; therefore, the irradiation distance between the laser transmitter and the diffractive optical grating can be changed, the size of a five-welfare pattern diffraction light field generated when the laser transmitter irradiates the diffractive optical grating can be effectively changed, and the using effect of the device is effectively improved.

The utility model relates to polycarboxylic acid manufacturing technical field, and disclose a kind of polycarboxylic acid reaction kettle rapid discharge structure, including support frame, the outer wall of support frame is equipped with kettle body, the top of kettle body is equipped with top cover, the bottom of kettle body is provided with discharge cylinder, the top of top cover is fixedly installed with motor one, the top of top cover is equipped with feed pipe, the output shaft outer side of motor one is fixedly sleeved with stirring vane, the inner wall of kettle body is equipped with feeding assembly, the bottom of discharge cylinder is equipped with discharge assembly, by motor three drive gear two and the gear groove set on turntable are engaged, realize the synchronous radial sliding of six polygonal plate blocks, so that its motor three under frequency regulation control, to change the opening size of six polygonal plate blocks, to realize its rapid discharge maximum opening promotion efficiency, adapt to different production process demand, avoid the material spatter or flow rate instability problem caused by the too fast opening and closing of traditional valve.

This utility model relates to a vibrating sand screening machine with adjustable screen aperture, comprising a screening shell with several feed inlets on its top surface. An upper screen and a lower screen are fixedly connected inside the screening shell, with the upper screen located above the lower screen. A conveying plate is fixedly connected below the feed inlets and to one side of the upper screen. A lower adjusting plate is provided on the top surface of the lower screen, and an upper adjusting plate is provided on the top surface of the upper screen. A primary screening and conveying cavity is formed between the upper screen, the conveying plate, and the top surface of the screening shell. A secondary screening cavity is formed between the upper and lower screens. A fine sand cavity is formed between the lower screen and the bottom surface of the screening shell. Separated discharge ports are provided at the ends of the primary, secondary, and fine sand cavities. The lower part of the screening shell is fixedly connected to a base via a vibration device. This utility model has a reasonable structure, and the size of the screen aperture can be adjusted by a small telescopic rod and adjusting plate to control the sand output quality.

The utility model relates to a kind of vehicle-mounted tent support with light system, including connecting plate, left connecting seat and right connecting seat are connected respectively in the left and right sides of connecting plate, several rotating struts are rotatably connected on left connecting seat, right connecting seat respectively, the bottom of several rotating struts is all fixed with lamp strip, lamp control module is equipped in connecting plate, lamp strip and lamp control module are electrically connected, sound response control module is implanted in lamp control module, the utility model aims at, provide a kind of vehicle-mounted tent support with light system, realize unfolded tent can use lamp strip, overall structure is simple, easy to operate and does not need additional installation and disassembly LED light bar, solve the technical problem that the existing vehicle-mounted tent needs to be separately disassembled light bar and lead to cumbersome operation.

This utility model relates to the field of feedwater pump technology and discloses a boiler feedwater supply device using a two-phase steam-driven feedwater pump. It includes a base, on which a turbine body and a feedwater pump body are fixedly mounted. A coupling is fixedly mounted on the output shaft of the turbine body. An inner sealing flange and an outer fixed sealing flange are fixedly mounted on the top of the turbine body. A steam pipe is fixedly mounted on the top of the inner sealing flange. An outer sliding sealing flange is slidably connected to the outer wall of the steam pipe. A pressure regulating pipe and a connecting pipe are fixedly mounted on the outer wall of the steam pipe. A pressure regulating device is fixedly mounted on the outer wall of the connecting pipe. By connecting two connecting hoses to the inlets of two boilers, the feedwater pump body can transmit water to the inside of the two connecting hoses through a diversion pipe, thereby allowing the feedwater pump body to simultaneously supply water to the inside of two boilers, reducing equipment costs and subsequent maintenance costs.

The utility model discloses a dust suction port, fallen leaf collecting device and sweeper truck relates to urban cleaning technical field, including shell and suction port flashboard, the interior of shell is provided with a dust suction channel, the dust suction channel vertically extends upwards from shell bottom, the bottom of dust suction channel is provided with bottom opening, the side face of dust suction channel close to bottom is provided with suction port, and the suction port flashboard is provided with the bottom opening. The bottom opening is connected and communicated with the suction port, a suction port insertion plate is arranged at the suction port, the suction port insertion plate can move towards the suction port to cover the suction port and move away from the suction port to expose the suction port, and the size of the suction port can be changed through the shape and the structure of the suction port to prevent blockage; the dust collection effect of the fallen leaf collecting device using the dust collection opening and the sweeping machine is greatly improved.

The utility model discloses a trapezoid packing box relates to packing box technical field, including first packing box main part, side wall main part and second packing box main part, said first packing box main part outside both sides is added with the side wall main part, and first packing box main part inside both sides is added with limit material abutting plate, a second packaging box body is distributed outside the first packaging box body, meanwhile, a first plane paperboard is arranged in the first packaging box body, a corrugated paper body is additionally arranged at the upper end of the first plane paperboard, a bearing groove is formed in the corrugated paper body, and a bearing cylinder is additionally arranged in the bearing groove. And a second plane paperboard is arranged at the upper end of the corrugated paper main body. The trapezoidal packaging box can be placed in a crossed mode with another trapezoidal packaging box to form a cuboid structure, so that the space utilization rate is increased, the cargo carrying capacity is improved, meanwhile, the freight is reduced, and the overall practicability and the use efficiency of the trapezoidal packaging box are improved.

The utility model discloses a magnet drying anti-adsorption device of a tunnel furnace drying line. The magnet drying anti-adsorption device comprises a fixing plate and a containing cylinder. According to the magnet drying device, the containing cylinder, the ejector rod, the sealing cover and the clamping rings are adopted, the adjusting screw rod can be rotated according to different sizes of magnets before the magnets are dried, then the clamping rings are driven to correspondingly move front and back, and therefore the sizes of the multiple sets of clamping rings are changed, the magnets can be better clamped and fixed, and the drying efficiency of the magnets is improved. According to the invention, through the arrangement of the storage barrel, collision and damage caused by shaking during subsequent drying and conveying are avoided, the structural integrity is ensured, then after the magnet is placed, the storage barrel can be sealed through the sealing cover, metal chippings and dust inside the drying line are prevented from invading, the magnet is prevented from adsorbing the impurities, and after drying is completed, the storage barrel is prevented from being damaged. And the ejector rod and the bearing plate can be driven to ascend through the moving plate, then the magnet is exposed out of the containing cylinder, material taking operation of personnel is facilitated, and the beneficial effects of being good in protection effect, convenient to take materials and high in stability are achieved.

The utility model provides a tube well construction auxiliary device which comprises a base, a fixing assembly is arranged on the lower side of the base, a protection assembly is arranged on the upper side of the base, the fixing assembly comprises a first fixing part and a second fixing part, and the first fixing part and the second fixing part are oppositely arranged. In the using state, the first fixing part and the second fixing part are both located in the tube well and abut against and make contact with the side wall of the tube well so that the base can be fixed to the opening edge of the tube well. The protection assembly forms a tube well protection area on the upper side of the base. According to the utility model, each component can be detached, the transportation is convenient, the part of the fixing component in the tube well can be used as a ladder in the use process, a treading supporting point is provided for an operator, and in addition, a protection area formed by the utility model can be adjusted according to actual requirements.

The utility model discloses a liquid drainage device, the liquid drainage device comprises a conduit piece, a positioning piece and an adjusting piece, the conduit piece is a hollow pipe body and is used for being communicated with a liquid container, the positioning piece is provided with a containing channel and a side hole, and the adjusting piece can penetrate through the side hole and exert radial action on the conduit piece, so that the on-off state of a pipeline is controlled. The catheter can be closed and opened by screwing the adjusting piece, operation is easy and convenient, and practicability is high. The device has good universality and modular integration characteristics, and is suitable for application scenes with high requirements for miniaturization and aesthetics. Based on the liquid drainage device, the utility model further discloses a liquid container with the liquid drainage device, the liquid container is provided with a base, the positioning piece and the guide pipe piece are arranged in the inner space of the base, the screwing end of the adjusting piece is located outside the base, manual adjustment is facilitated, the structure is compact, attractiveness is achieved, and good operation convenience is achieved.

The application discloses a repairing method for a bulk SiC f / SiC ceramic matrix composite component, which mainly comprises the steps of machining pretreatment, fiber preform repairing, fiber line reinforcing and CVI deposition repairing. In the machining pretreatment step, the damaged material is cut into dovetail type protrusions, and the thickness of the part is slightly reduced to leave space for fiber line winding. In the fiber preform repairing step, ceramic fibers are woven into a preform with the same thickness as the dovetail type protrusions in the form of 2.5D, an internal groove matched with the preform is processed, and the preform is spliced with the material to be repaired in the form of a mortise and tenon structure. In the fiber line reinforcing step, SiC fiber lines are cross-wound in perpendicular directions to reinforce the mortise and tenon connection part. In the CVI deposition repairing step, the fiber preform and the fiber lines are deposited by means of a CVI process, so that they become SiC f / SiC ceramic matrix composite, which is closely connected with the damaged part by the cooperation of the dovetail type part, the cross-winding of the fiber lines and the mortise and tenon structure, so that the damaged material is repaired.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

The application provides a composite sliding rail screen for vehicles, which comprises a display unit, a screen and a screen movement component, the screen is fixedly arranged on the screen movement component; a sliding rail unit, the display unit is movably arranged on the sliding rail unit through the screen movement component and can move on the sliding rail unit; a control unit, the display unit is electrically connected with the control unit, and the control unit controls the movement of the display unit. The screen of the display unit accepts gesture operation, the external signal of the gesture operation is transmitted to the control unit, and the control unit controls the movement of the display unit after analyzing and identifying the external signal. The screen can move left or right according to the gesture operation, and the screen can also be rolled up to change the size of the screen. As long as the position space is sufficient for installation, it can be installed at any position in the vehicle, which greatly improves the visual comfort during the use and watching of the screen.

This application discloses a cage for cleaning triangular heat exchange plates in indirect cooling towers. The cage is a triangular structure adapted to the triangular cavity formed by the triangular heat exchange plates in the indirect cooling tower, and can be vertically placed in the triangular cavity and close to each heat exchange plate. The cage consists of a triangular base plate, vertically upward vertical support columns connected to the corners of the triangular base plate, and horizontal rods connecting adjacent vertical support columns. The horizontal rods are spaced vertically on the adjacent vertical support columns, and each vertical support column is provided with a lifting ring at its top. This cage, with its triangular structure adapted to the triangular cavity formed by the triangular heat exchange plates in the indirect cooling tower, "fills" the triangular cavity after being placed inside, allowing the operator to fully contact the surface of each heat exchange plate, achieving a complete cleaning operation. This solves the drawback of current square cage structures, which prevent operators from contacting and cleaning the corners where adjacent heat exchange plates meet.

This utility model belongs to the field of coating fixture technology, specifically disclosing a fixture for photomask coating, including a back plate, a top plate mounted on the upper part of the back plate, sliding side plates and fixed side plates mounted on both sides of the back plate, and a base mounted on the bottom of the back plate; the top plate, sliding side plates, fixed side plates and base form an installation space for mounting the photomask, and the sliding side plates can slide laterally along the back plate to clamp the photomask. This utility model can adapt to the installation of photomasks of different sizes and specifications, and ensures the cleanliness of the glass surface of the photomask, avoiding the application of AF film.

The application belongs to the technical field of biological medicine, and specifically discloses application of jatrorrhizine in preparation of a medicine for preventing and treating intestinal radiation injury, and a medicine for preventing and treating intestinal radiation injury.The application verifies the effect of jatrorrhizine on resisting intestinal radiation injury by using an intestinal organ model, wherein the jatrorrhizine can obviously improve the changes in survival rate, bud number and organ size of the intestinal organ caused by radiation injury, and eliminate the adverse effects caused by the intestinal radiation injury.After abdominal irradiation injury of experimental mice, jatrorrhizine is injected into the abdominal cavity, the intestinal length is obviously increased, the survival rate is improved, and HE staining of small intestinal sections shows that the crypt depth and villus structure are improved.It is proved that the jatrorrhizine can promote the regeneration and repair of the intestinal organ after radiation, improve the survival rate, and improve the morphological changes of the intestinal caused by radiation injury.The medicine containing the jatrorrhizine provided by the application can improve the intestinal lesions caused by radiation injury, relieve the intestinal injury symptoms, and improve the survival rate of individuals.

The utility model relates to a tool clamp for cutting and processing a C-shaped forge piece of a large wind power bearing, which belongs to the technical field of wind power bearing processing and comprises a tool base, a tool adjusting body, a radial clamping piece and an axial supporting piece, the tool base is installed on a vertical lathe chuck. The tool adjusting body is installed on the side, close to the large wind power bearing C-shaped forge piece, of the tool base, and a radial boss protrudes out of the side, close to the large wind power bearing C-shaped forge piece, of the tool adjusting body. The radial clamping piece is horizontally connected to the upper end of the tool adjusting body, and the end of the radial clamping piece is extruded on the periphery of the upper half circle of the large wind power bearing C-shaped forge piece. The axial supporting piece is vertically connected to the boss of the adjusting body, and the upper end of the axial supporting piece is supported below the boss of the upper half circle of the C-shaped forge piece of the large wind power bearing. The upper half ring of the C-shaped forge piece of the large wind power bearing can be radially clamped and axially supported, it is guaranteed that the upper half ring can be effectively cut off, and the problem that the upper half ring falls off and breaks a cutter when cut off is also avoided.

The application relates to a concrete mold and a 3D printing device, and relates to the technical field of printing. The concrete mold comprises a fixed assembly, a movable assembly and an adjusting assembly. The fixed assembly comprises limiting plates, two of which are symmetrically arranged, and at least one of the limiting plates is provided with a protruding part. The movable assembly comprises a movable frame, the movable frame is slidingly installed between the two limiting plates, and the two side edges of the movable frame are respectively abutted on the two limiting plates; the movable frame is symmetrically arranged along the sliding direction of the movable frame between the two limiting plates, and the movable frame and the limiting plates are combined to form a mold space. The adjusting assembly comprises an adjusting wheel, the adjusting wheel is rotatably installed on the protruding part, the two movable frames are each horizontally provided with a rack along the sliding direction, and the rack is engaged with the adjusting wheel; the rack can be relatively fixed with the adjusting wheel. The concrete mold can adjust the mold size according to actual production needs, is more suitable, can be used for flexible processing and production, and is simple and convenient to use.

The application provides a speed control system of a weak magnetic method stress on-line detector and a control method thereof. The detector speed control system is used for detecting a component to be detected. The detector speed control system comprises a control structure and a control module. The control structure and the control module are signal connected. The control structure comprises an inner shell, an outer shell, a driving motor, a blade, a first flow hole, a second flow hole and a speed measuring sensor. The inner shell is arranged in the outer shell. The first flow hole is arranged between the inner shell and the outer shell. The driving motor is arranged in the inner shell. The output end of the driving motor is connected with a rotating rod. One end of the rotating rod which is arranged to pass through the side wall of the inner shell is connected with the blade. A plurality of second flow holes are arranged on the side wall of the outer shell which is close to the blade. The first flow hole is connected with the second flow hole. The problems that the existing nondestructive detection device cannot control the running speed when working in the pipeline, the detection precision is poor, the detection time is increased and the detection efficiency is reduced are solved.

The utility model discloses an internal adjustable liquid storage bin of a colloid storage battery, and relates to the technical field of storage batteries, in particular to the internal adjustable liquid storage bin of the colloid storage battery, which comprises an outer shell and a top shell, and the top shell is fixedly arranged above the outer shell; the confluence hole is formed between the liquid storage cavity and the electrolysis cavity, and the flow of the electrolyte is accurately controlled by utilizing the adjusting assembly, so that the electrolyte can be more uniformly distributed around the polar plate assembly, and full contact and large-area contact between the electrolyte and the polar plate assembly are realized; the chemical reaction efficiency between the electrolyte and the polar plate is improved, and the optimal contact effect can be achieved under various conditions. According to the utility model, the problem of poor contact effect of electrolyte and the polar plate in the prior art is effectively solved, the charge-discharge efficiency and the overall performance of the storage battery are remarkably improved, the service life of the storage battery is prolonged, and the adaptability and the stability of the storage battery under different working conditions are enhanced.

This utility model discloses a leaf collection vehicle, relating to the field of urban sanitation technology. The vehicle includes a vehicle body equipped with a negative pressure trash can, a leaf collection device, a leaf collection device fixing mechanism, and a sweeping device. The leaf collection device includes a suction port, which comprises a housing and a suction port insert. The housing has a suction channel extending vertically upwards from the bottom of the housing. The bottom of the suction channel has a bottom opening, and a suction port is located on the side of the suction channel near the bottom. The bottom opening connects to and is through the suction port. A suction port insert is located at the suction port, and the insert can move towards the suction port to cover it and move away from it to expose it. The suction port can change size using its shape and structure to prevent clogging. Using this leaf collection vehicle greatly improves the efficiency of sweeping up lightly littered objects such as leaves and branches.

The utility model discloses a fuel oil pipeline quick connector cold heading device which comprises a base, a power device, a support, an objective table, a pressing block, a first driving device, a second driving device, a limiting piece, a third driving device and a pressing piece. The power device and the support are connected to the interior and the top of the base respectively, the objective table and the first driving device are sequentially connected to the support in the same vertical direction, the pressing block is connected to the tail end of the output end of the first driving device, the second driving device is connected to one side of the support, and the output end of the second driving device is connected with the limiting piece. The top surface of the base beside one side of the limiting piece is sequentially connected with a pressing piece and a driving device III; compared with the prior art, the horizontal position of a product on the objective table is limited through the limiting piece, after the first driving device pushes the pressing block to press the product, the second driving device pulls the limiting piece to move upwards, the third driving device pushes the forming sleeve to conduct cold heading operation on the product, and the size specification of a heading head of the product is accurately controlled; and the production efficiency and quality of products are improved.

The present application relates to the field of fruit peel extract filtering, and discloses a coffee fruit peel extract filtering device, which comprises an extension assembly and a frame variable assembly, the extension assembly comprises rotating boxes arranged in cross; a hollow rotating pipe penetrates through the rotating boxes and is rotationally connected with the rotating boxes; cutters are installed on the rotating boxes, and a cutting edge is formed between two abutting cutters; an adapter box is fixedly installed on the rotating boxes and is connected with the hollow rotating pipe; top blocks are fixedly installed on the rotating boxes, and a second gas conveying pipe connected with the adapter box is arranged between the top blocks, and the second gas conveying pipe is provided with a one-way jet pipe; during the deformation of the extension assembly, when a motor drives the second rotating plate to rotate, the extension assembly is deformed, the solid-liquid mixture of coffee fruit peel is continuously turned over, and solid-liquid separation is promoted; meanwhile, the wedge-shaped blocks, extrusion pipes and other parts of the gas supply mechanism work synchronously, gas is conveyed to the one-way jet pipe, and the jetted gas can impact the coffee fruit peel covering the surface of the filtering opening, so that the coffee fruit peel is removed.

This invention discloses a continuous flow microreactor flow rate control system and preparation method for the preparation of nano-β-MnO2, comprising a base, a first injection tube, a second injection tube, a microfluidic mechanism, and a collection mechanism. The first and second injection tubes are both fixedly mounted on the base, each containing a first reaction solution and a second reaction solution, respectively. The microfluidic mechanism is fixedly mounted on the base and communicates with the first and second injection tubes. A collection mechanism is also fixedly mounted on the base and communicates with the output end of the microfluidic mechanism. A temperature control mechanism for adjusting the temperature of the microfluidic mechanism is also provided on the base.