27 results about "Drop tube" patented technology

A drop tube for dropping particulate material from an air boom assembly has, in order: a rigid elbow connectable to an air boom outlet; an upper flexible section bendable in at least a direction parallel to a direction of travel of the air boom assembly; a rigid section having an air exhaust vent in a side thereof and a deflector therein; a lower flexible section bendable in at least the direction parallel to the direction of travel; and, an exit aperture having a cross-sectional area less than a cross-sectional area of the lower flexible section of the drop tube above the exit aperture.

The invention provides a biomass combustion in-situ measurement method based on spectrum and flame imaging. The biomass combustion in-situ measurement method comprises the following steps that a biomass sample is pretreated and conveyed to a dropper furnace combustion monitoring system through pneumatic conveying; preheating, and monitoring combustion parameters in real time through a temperature control system and a data acquisition system; the synchronous acquisition system is connected with the Fourier transform infrared spectrometer, the ICCD camera and the intermediate infrared camera; spectral information in a flame heat radiation (200 nm to 20 [mu] m) wave band is obtained, and free radical and smoke component images are collected; and finally, comprehensively processing and analyzing the data, and extracting key parameters such as temperature, radiation characteristics, component concentration and the like. According to the invention, multi-parameter in-situ synchronous measurement is realized, combustion surface temperature and radiation characteristics are accurately calculated in combination with an advanced algorithm, and free radical and flue gas component distribution is quantified through an imaging technology. An efficient and reliable technical means is provided for studying a biomass combustion mechanism, optimizing a combustion process and controlling pollution emission, and the biomass combustion device has important scientific research and application values.

The present invention relates to a central telescopic drop tube detection device for a coal storage Euro warehouse. Each section of the central telescopic drop tube is provided with a toggle. The detection device includes a plurality of detection mechanisms corresponding to the toggle. Each detection mechanism includes a column, a pull rod, a lower swing arm, an upper swing arm, a pull rod reset unit for resetting the pull rod, and a displacement detection unit for detecting the displacement of the pull rod. The column is axially arranged on the central platform of the spiral frame of the Euro warehouse. The lower swing arm and the upper swing arm are rotatably arranged on the lower end and the upper end of the column respectively. One end of the pull rod is connected to the end of the lower swing arm, and the other end is connected to the end of the upper swing arm. The pull rod reset unit is connected to the swing arm in a transmission manner. Compared with the prior art, the present invention is used to detect the blocking phenomenon of the central telescopic drop tube, improves the operation stability and reliability, reduces the maintenance cost, has low control difficulty, and is simple to arrange.

The utility model relates to the technical field of dropping funnels, in particular to an anti-blocking dropping funnel. According to the technical scheme, the device comprises a dropping pipette and a liquid storage funnel, a liquid outlet pipe is fixedly connected to the lower surface of the liquid storage funnel, a funnel pipe is fixedly connected to the tail end of the liquid outlet pipe, the dropping pipette is fixedly connected to the lower surface of the funnel pipe, a fixing pipe is fixedly connected to the upper surface of the liquid storage funnel, and a threaded hole is formed in the upper surface of the fixing pipe. And a lifting screw rod is movably inserted into the threaded hole, a fixed connecting rod is fixedly connected to the end, located in the fixed pipe, of the lifting screw rod, a conical block is fixedly connected to the tail end of the lifting screw rod, and a conical plug is fixedly installed on the lower surface of the conical block and located in the funnel pipe. In the using process of the dropping funnel, the dropping funnel can avoid blocking of dropping liquid, and ensures normal proceeding of dropping liquid reaction.

The present invention discloses a vertical gasket feeding mechanism, wherein a blanking assembly, a feeding assembly, a pushing assembly, a rotating assembly and a pressing assembly are installed on a work surface, the blanking assembly comprises a blanking base, a gasket dropping tube is provided on the blanking base, and a feeding channel is provided on the blanking base; the feeding assembly comprises a feeding shaft, the feeding shaft movably extends into the interior of the blanking base, a gasket guide groove is provided on the feeding shaft, and the feeding shaft advances so that the feeding shaft enters the feeding channel; the pushing assembly comprises a pushing shaft, the pushing shaft is slidably arranged in the feeding channel, the pushing shaft advances through the gasket guide groove to push the gasket so that the gasket is pushed along the feeding channel into the rotating assembly; the rotating assembly comprises a rotary block, the rotary block is provided with a feed trough, and the gasket enters the feed trough from the feed channel; the pressing assembly comprises a pressing sheet, and the pressing sheet pushes the gasket out of the feed trough. In the above manner, the present invention can facilitate gasket feeding and ensure that the gasket will not be deformed by force during the feeding process, and has a simple structure and is safe and reliable.

The invention discloses a drop tube metal microdroplet deposition device and method for simulating a space environment. The device comprises a drop tube; a metal microdroplet nozzle is mounted at the top of the drop tube, a composite substrate is arranged below the metal microdroplet nozzle, a replaceable tested substrate is arranged in the middle of the composite substrate, and two ends of the composite substrate are matched with a release mechanism arranged on the inner wall of the drop tube; a transparent window is arranged on the side wall of the drop tube below the composite substrate, and an image collecting device is arranged on one side of the window; when the metal liquid drops of the experimental metal material start to fall off from the metal micro-drop spray head, controlling the release mechanism to release the composite substrate after a preset time; the metal liquid drops and the composite substrate are pursued and contacted in a weightlessness falling state, are captured and recorded by the image acquisition device through the window, and then are transmitted to the upper computer for subsequent analysis. The technical problem that in the prior art, the contact solidification process of the metal liquid drops and the substrate in the space microgravity environment cannot be truly simulated on the ground is solved.

The utility model discloses a continuous powder modifying machine sampling device which comprises a modifying machine body, a motor is installed in the middle of the bottom surface of the modifying machine body, and the output end of the motor penetrates through the bottom surface of the modifying machine body and is fixedly connected with a rotating rod. According to the powder material mixing device disclosed by the utility model, the motor drives the rotating rod to rotate, so that the fixed rod and the stirring blades on the rotating rod rotate, and then powder materials in the modifying machine body can be automatically stirred and mixed, so that the powder materials can be uniformly mixed in the modifying machine body, and the powder materials enter the first sampling barrel by opening a baffle on the first sampling barrel; a baffle is closed, so that the powder material enters a connecting pipe and then falls into a collecting tank through a discharging pipe on the bottom surface of a third sampling barrel, the sampled powder material can be collected, the powder material in the modification process can be sampled, the modification reaction process can be conveniently judged according to the sample, and the modification efficiency is improved. Therefore, the modification quality of the powder material can be controlled.

The utility model provides a self-exhausting and self-liquid-stopping drip chamber which comprises a hollow drip chamber body, a liquid inlet drip tube is arranged at the top of the drip chamber body, and a liquid outlet tube is arranged at the bottom of the drip chamber body. A part of the liquid inlet dropper extends into the drip chamber body; a cylindrical exhaust guide cylinder communicated with the liquid outlet pipe is fixedly arranged at the bottom in the drip chamber body, the top end of the exhaust guide cylinder is covered with a cap for sealing the top end of the exhaust guide cylinder, and at least one vertical liquid inlet exhaust gap is formed in the side face of the exhaust guide cylinder; a floating body is arranged in the exhaust guide cylinder, the lower portion of the floating body is provided with a covering face covering the top end of the liquid outlet pipe, and the floating body can move back and forth in the exhaust guide cylinder according to the buoyancy of the liquid medicine. According to the self-exhausting and self-liquid-stopping drip chamber, the floating body capable of covering the top end of the liquid outlet pipe is arranged in the exhausting guide cylinder, the stable self-exhausting and self-liquid-stopping functions are achieved, and automatic assembly with stable quality can be achieved.

The utility model relates to a kind of wind sending impact powder removal device.The powder removal device includes main body air pipe, one end of main body air pipe is equipped with air inlet, the other end is blind end, and main body air pipe is equipped with feeding port and air guide dust outlet.Main body air pipe is equipped with bulk material screen in the inner chamber in the lower of feeding port, and is equipped with powder removal net in the lower of air guide dust outlet, and main body air pipe is equipped with drop tube at powder removal net place.Molecular sieve to be removed powder enters from feeding port, and falls on bulk material screen and is dispersed, to avoid the accumulation of molecular sieve, and in this process, dust floating on the surface of molecular sieve will partially fall off.Molecular sieve that continues to move with wind will directly impact on powder removal net, dust floating on the surface of molecular sieve will fall off in the process of impact, and the dust that falls off is discharged from air guide dust outlet with wind, and molecular sieve falls into drop tube below under the action of gravity.Through the mode of wind blowing and impact, dust floating on the surface of molecular sieve particle can be effectively made to fall off, and the surface quality of molecular sieve particle is improved.

The utility model relates to fertilizing device technical field especially, it relates to a kind of fertilizing device with adjustable fertilizing quantity, including the vehicle body with the storage tank of fixed frame, the eccentric drop opening of eccentricity is established in the bottom of storage tank;The bottom of storage tank is installed with the quantity adjusting component, locking component is installed on storage tank, when any one drop tube rotates to with the eccentric drop opening coaxial arrangement locking component lock chassis.This fertilizing device with adjustable fertilizing quantity provided by the utility model can select drop tube with different aperture by rotating chassis, without disassembling component, can quickly adjust fertilizing quantity, significantly improve operating efficiency, the ball in the arc undulating sleeve and locking component are mutually matched, ensure that drop tube and eccentric drop opening are accurately aligned, avoid misplacement problem in fertilizing process.

A device may include a seed hopper fluidly connected to a seed meter, the seed meter may comprise: a fluted roller, a follower, the follower including one or more brushes, wherein the fluted roller may include one or more grooves, and wherein the one or more brushes may be configured to abut portions of the fluted roller; a roller shutoff disposed adjacent to the fluted roller and including one or more teeth configured to interface with the one or more grooves; a funnel fluidly connected to an outlet chamber, wherein the outlet chamber may be fluidly connected to the funnel, a blower, and a drop tube. The blower may introduce air into the outlet chamber and drop tube. A ground wheel may be mechanically coupled to the fluted roller and roller shutoff, wherein, rotation of the ground wheel causes rotation of the fluted roller and roller shutoff.

A coal blending and burning system based on a belt conveyor with a vertical process module includes a coal feeding system No. 1 provided with discharge ports 1A and 1B for outputting a coal type A; a coal feeding system No. 2 provided with discharge ports 2A and 2B for outputting a coal type B; a first belt conveyor A provided with electronic scales 1A and 2A, respectively; a first belt conveyor B provided with electronic scales 1B and 2B, respectively; a vertical drop tube; a second belt conveyor for transporting coal materials output from the vertical drop tube; a third belt conveyor for transporting coal materials output from the second belt conveyor to a coal supply end; and a controller for controlling coal blending on the first belt conveyor A, the first belt conveyor B, or the second belt conveyor.

The application discloses a cylinder head with a drip tube structure, comprising a plurality of cylinder body cylinder holes, a cylinder head body and a plurality of drip tube structures. The cylinder head body is arranged above the cylinder body cylinder holes and seals the cylinder body cylinder holes. The plurality of drip tube structures are arranged at the roots of the plurality of cylinder body cylinder holes respectively. The plurality of cylinder body cylinder holes and the cylinder head body are integrally formed. The cylinder head with the drip tube structure has simple and reasonable structure, can avoid stress concentration at the roots of the cylinder holes, and improves the heat dissipation capacity of the roots of the cylinder holes, thereby solving the problem that cracks are easily generated at the roots of the cylinder holes due to high temperature and high pressure.

The utility model relates to a stirring device for mixing heat insulation strip raw materials, which comprises a stirring component, a stirring component and a stirring component, the stirring component comprises a stirring shell, a stirring shaft and a stirring plate, and a feeding pipe is arranged at the top of the stirring shell; a driving assembly; the diffusion assembly comprises a diffusion shell and is internally provided with a plurality of diffusion cavities, the bottom walls of the diffusion cavities protrude downwards to form blanking pipes, and a blanking gap exists between every two adjacent blanking pipes; the on-off assembly comprises a communicating pipe and a lifting unit, and a communicating opening is formed in the side wall of the communicating pipe. According to the stirring device for mixing the heat insulation strip raw materials, particle production raw materials are temporarily stored through a plurality of diffusion cavities, and a communicating pipe is moved to a communicating station, so that particles enter the communicating pipe through a blanking gap and a communicating port in sequence, descend and enter a stirring shell through a feeding pipe; through the feeding pipes which are distributed at equal intervals, particle materials can be quickly diffused and uniformly distributed in the stirring shell, after the stirring plate rotates, the materials are driven to be quickly and uniformly mixed, the mixing efficiency is improved, the mixing uniformity is ensured, and the product quality is further improved.

The invention discloses a quantitative liquid reagent dropping device for titration experiment, which comprises a dropping cylinder, a dropping pipette fixedly mounted at the bottom of the dropping cylinder, a piston assembly mounted in the dropping cylinder, a rotating cover mounted at the top of the dropping cylinder, a driving assembly mounted on the outer sides of the dropping cylinder and the rotating cover, and a gas adding assembly mounted at the top of the rotating cover, an identification assembly is mounted on the outer side of the dripping barrel; a rotating cover is rotated to rotate reversely, so that a threaded rod moves downwards in a threaded ring, a piston head is driven to move downwards in a dropwise adding barrel, liquid in the dropwise adding barrel is extruded, the liquid needing to be dropwise added is discharged and dropwise added through a liquid dropping pipe, the applied force can be adjusted in a rotating mode, and the rotating device is convenient to operate. And by controlling the rotating force and speed, the pressure stability in the dropping process can be ensured, so that the dropping precision is ensured.

The utility model relates to a drop type testing machine with a testing function, which comprises a machine frame, a probe, a separating mechanism, a drop pipe and a testing block screening assembly, the probe is installed on the machine frame, the drop pipe penetrates through the machine frame and the probe, one end of the drop pipe far away from the ground is a feeding end, the other end of the drop pipe is connected with the separating mechanism, and the separating mechanism comprises a vertical separating channel. The test block screening assembly is communicated with the discharge end of the vertical separation channel and the production line; a test feeding hole is formed in the side surface of the feeding end of the falling pipe. Compared with the prior art, the separation mechanism with the drop-type detection machine has the advantages that the test block screening component is mounted at the discharge end, and a test block is fed into the detection machine from the test feed port in the side surface of the feed end, so that a closed conveying pipeline is not influenced; when the detection machine works normally, the test blocks are discharged out of the detection machine, when the detection machine breaks down, the test blocks enter the test block screening assembly, and whether the detection machine can work normally or not can be judged by checking the test block screening assembly.

The application discloses a kind of powder material feeding metering device and its use method, belong to material feeding metering field.It includes main frame, stock bin, screw feeder, vibrating feeder, weight sensor and controller;Stock bin is set at the top of main frame, screw feeder is set below the discharge port at the bottom of stock bin;Vibrating feeder includes vibrator installed on main frame and shell fixedly connected with vibrator, the outlet housing of screw feeder is inserted into the shell inlet of vibrating feeder, there is a certain vibration gap between the outlet housing of screw feeder and the shell inlet of vibrating feeder, the shell outlet of vibrating feeder is fixedly provided with a drop tube, and the weight of material falling into the packaging bag is measured by weight sensor;Driving motor, vibrator and weight sensor are connected with controller.The application firstly feeds rapidly by screw feeder, then feeds accurately by vibrating feeder at low speed, which effectively prevents material from hardening, and realizes rapid and accurate metering.

A multi-stage grain sorting device belongs to the technical field of sorting devices and comprises a shell, a turntable, a funnel and a negative pressure pipe. A hopper is arranged at the top of the shell, and a discharge pipe is arranged at the bottom; a rotating shaft is coaxially arranged at the top of the turntable, a plurality of straight plates are arranged at the lower end of the rotating shaft at intervals along the circumference, an annular groove is formed in the top surface of the turntable, the edge of the annular groove tilts upwards, a plurality of slapping plates are arranged in the annular groove along a circumference array, the slapping plates are perpendicular to the bottom surface of the turntable, and the rotating shaft is driven by a motor; the funnel is arranged in the shell and coaxially arranged below the turntable, a blanking pipe is arranged at the bottom of the funnel, the blanking pipe downwards penetrates through the shell, the inner wall of the upper end of the funnel is an inverted conical surface, the conical surface and the outer wall of the turntable are arranged at an interval, and the outer edge of the upper end of the funnel and the inner wall of the shell are arranged at an interval; the negative pressure pipes are of a circular ring structure and are arranged above the funnel at intervals. According to the scheme, dust raising can be effectively prevented, the better sorting effect and efficiency are achieved, and the structure is more compact.

The present invention discloses a lithium-ion negative electrode material loading device, which relates to the technical field of lithium-ion negative electrode material loading. The device comprises an outer box, a roller conveyor, and a plurality of loading units. Each loading unit is arranged in the outer box. The loading unit comprises a positioning mechanism, a lifting mechanism, an inner box, a lower sealing mechanism, and a movable loading mechanism. The positioning mechanism is used to position the sagger. The lifting mechanism is used to lift the sagger. The inner box is arranged above the roller conveyor, and a narrow portion extends from the lower end of the inner box, and an opening is formed at the lower end of the narrow portion. The lower sealing mechanism is arranged at one end of the inner box, and is used to open and close the opening at the lower end of the narrow portion. The movable loading mechanism comprises a moving component arranged at the other end of the inner box and a loading component passing through the upper end surface of the inner box. The loading component comprises a drop tube, and a telescopic elbow is provided at the lower end of the drop tube, and a second straight tube is provided at the lower end thereof. The lithium-ion negative electrode material loading device of the present invention does not require an additional material flattening operation during the process of loading the material into the sagger, thereby improving production efficiency.

A kind of grain multistage sorting device belongs to sorting device technical field, including: shell, carousel, hopper and negative pressure pipe.Shell top is equipped with hopper, bottom is equipped with discharge pipe;Carousel top coaxially is equipped with rotating shaft, and the lower end of rotating shaft is circumferentially interval and equipped with multiple straight plates, and the top surface of carousel has annular groove, and the edge of annular groove is upturned, and multiple slapping plates are circumferentially arrayed in annular groove, and slapping plate is perpendicular to the bottom surface of carousel, and rotating shaft is driven by motor;Hopper is arranged in shell interior, and coaxially is arranged below carousel, and the bottom of hopper is equipped with drop tube, and drop tube passes through shell downwards, and the inner wall of upper end of hopper is inverted conical surface, and conical surface is interval arranged between the outer wall of carousel, and the outer edge of upper end of hopper and the inner wall of shell are interval arranged;Negative pressure pipe is circular ring structure, and it is interval arranged above hopper.This scheme can effectively prevent dust, has better sorting effect and efficiency, and structure is more compact.

The utility model relates to the technical field of oil loading and unloading vehicle sealing, and discloses a pneumatic grabber sealing cap which comprises a loading arm body and further comprises a gas-phase oil gas recovery pipe arranged on one side of the loading arm body. The pneumatic claw hook sealing cap assembly is arranged at one end of the gas-phase oil gas recovery pipe and comprises a connecting elbow piece arranged at one end of the gas-phase oil gas recovery pipe, a vertical pipe piece is arranged at the bottom of the connecting elbow piece, a sealing cap piece is arranged at the bottom of the vertical pipe piece, and the sealing cap piece is arranged at the bottom of the vertical pipe piece. A first air source pipe is arranged on the outer side of the vertical pipe fitting; by arranging the pneumatic claw hook sealing cap assembly, all volatilized oil gas can enter oil gas recovery equipment for retreatment through a gas collecting pipeline, meanwhile, the pneumatic claw hook sealing cap assembly has the outstanding advantages of being tight and reliable in sealing, light in weight, easy and simple to operate, small in number of quick-wear parts, long in service life and the like, and the problem that oil gas leaks at an oil loading hole in the top of a tank truck can be solved.

The utility model relates to the technical field of extraction devices, in particular to an extraction device for humic acid production, which comprises a bottom plate, the bottom surface of the bottom plate is fixedly connected with a plurality of symmetrically arranged pin shafts, and the outer surface of each pin shaft is rotatably connected with a support frame. The humic acid extraction device has the advantages that when humic acid needs to be extracted, firstly, the top of a collection tank needs to be placed in a limiting ring, then a lead screw is rotated to drive a mounting frame to move downwards until a dropper penetrates through a water absorption sponge through an avoiding hole, and then the output end of the dropper is inserted into the collection tank; at the moment, a solution and an extraction solution are injected into the extraction tank, the humic acid solution can drop into the collection tank through a dropper after extraction operation, then the lead screw is rotated reversely to drive the mounting frame to move upwards, the dropper slides relative to the water absorption sponge, and hanging liquid at the output end of the dropper can be absorbed through the water absorption sponge; and hanging liquid on the dropper can be conveniently cleaned.

The utility model relates to the field of chemiluminescence detection, in particular to a chemiluminescence detection device with a reagent moving mechanism. The technical problems that in the detection process of a chemiluminescence detection device, a single reagent tube is directly dropped into a container, the luminescence state reaction is observed, and the reagent tube is operated in a handheld mode, so that the dropping amount of the reagent tube every time is difficult to control, the luminescence detection state is influenced, and the overall detection effect is reduced are solved. According to the technical scheme, the chemiluminiscence detection device with the reagent moving mechanism comprises a frame sleeve, a supporting column, a movable reagent module, a dripping pipe, a balance plate and a chemiluminiscence detection assembly, the movable reagent module is arranged in the middle of the frame sleeve in a linear sliding mode and can carry a dripping pipe for dripping a test reagent, the movable reagent module is correspondingly arranged below the frame sleeve through the balance plate and is provided with a dripping reaction container for stabilizing, and the chemiluminescence detection assembly can be used for chemiluminescence detection. The overall chemiluminescence detection effect is improved.

The application provides a device for assembling a drop tube body and a drop tube cover. A feeding unit is used to feed the drop tube body to a receiving unit, and the drop tube body is in a horizontal state. When the receiving unit receives the drop tube body, a spacing unit is used to keep the drop tube body in the feeding unit. A material taking and overturning unit and a material taking and assembling unit can move along the front-back direction under the action of a front-back moving driving unit. The material taking and overturning unit is used to obtain the drop tube body in the receiving unit, overturn the drop tube body to make it in a vertical state, and make one end of the drop tube body for assembling the drop tube cover face downward. The material taking and overturning unit places the drop tube body in a vertical state in a glue applying unit. The glue applying unit is used to apply glue to one end of the drop tube body for assembling the drop tube cover, and move the drop tube body forward. The material taking and assembling unit is used to obtain the drop tube body in the glue applying unit, and assemble the drop tube body with the drop tube cover in a storage fixture. The device can quickly and efficiently assemble the drop tube body and the drop tube cover together.

The application discloses a kind of fine-grained soil saturation control test devices, it is related to geotechnical engineering equipment technical field, and its technical scheme main points are as follows: including round hole tray, moisture cylinder and with its airtight combination moisture cylinder cover, round hole tray is bolted with fine-grained soil sample, sample ring cutter, upper water-permeable stone and lower water-permeable stone, moisture cylinder cover is equipped with six round holes, is fixed with dropping tube in round hole through rubber plug, dropping tube outlet is opposite fine-grained soil sample, dropping tube is connected with hose, infusion bottle in sequence, hose is equipped with control switch;The application also discloses the test method of the test device: including the following steps: S1: sampling;S2: calculate water supplement amount;S3: fixed sample on round hole tray;S4: sample is placed in moisture cylinder;S5: install water supplement device;S6: continue to water;S7: calculate saturation, and carry out soil mechanics test.The application has the effects of reasonable structure, reliable performance, convenient operation, data acquisition is convenient, accurate, low carbon green, preparation efficiency is high.