234 results about "Vertical tube" patented technology

This invention relates to the field of injection molding machine technology, specifically to an anti-clogging structure and injection molding machine for an injection molding machine. The structure includes a vertical tube and a pressure relief pipe inserted into the middle of the vertical tube. The vertical tube is fixedly installed inside a conical head. This anti-clogging structure and injection molding machine can lift the end cap upwards when blockage occurs at the end of the barrel, connecting the vertical channel with the axial channel to relieve pressure inside the barrel and prevent blockage, thus avoiding oil leakage or cylinder explosion. When the end cap moves upwards, it pulls the sealing pipe through a connecting ring and a transmission mechanism, opening the guide channel and ensuring that the extruded molten plastic can re-enter the barrel from the end of the guide channel, achieving internal filling of the barrel and ensuring continued operation of the equipment. Simultaneously, to relieve pressure, a locking block supports the bottom of the connecting ring, ensuring that subsequent cylinder extrusion does not require further force to lift the end cap upwards.

The invention relates to the technical field of heat exchangers, in particular to an axial tube plate module combined heat exchanger and a working method.The heat exchanger comprises two end sockets, a plurality of axial tube plate modules sequentially arranged in series, a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the axial tube plate module comprises a shell, two vertical tube plates arranged in parallel in the axial direction of the shell and a plurality of first heat exchange tubes penetrating through the vertical tube plates, the shell is divided into a middle shell pass cavity and two side tube pass cavities through the two vertical tube plates, partition plates are arranged at the ends of the tube pass cavities, and communicating holes are formed in part of the partition plates, so that shell pass flow channels are sequentially communicated in the multiple modules. Forming a serpentine flow path of the first medium; the shell pass cavities of the adjacent modules communicate with each other to form a second medium flow channel, each axial tube plate module is equivalent to an independent heat exchange unit, multi-stage heat exchange is achieved in a single device through a modular structure, multiple devices and external pipelines are not needed, the heat exchange efficiency is remarkably improved, and the structure is simplified.

The present application relates to anthocyanin extraction technical field, disclose a kind of berry anthocyanin extraction equipment and extraction method, extraction equipment includes: extraction machine, the working area of extraction machine is provided with fruit juice cold filtering mechanism, for cold treatment berry and realize efficient extraction;Fruit juice cold filtering mechanism includes four vertical setting mid vertical tube, cloth bag and supply suction liquid component;Wherein: four mid vertical tubes are fixed in matrix in the center position of extraction machine working area, form stable support structure;Mid vertical tube top and limiting disc form rigid connection, bottom is fixedly arranged bottom disc by welding mode;Supply suction liquid component is connected with four mid vertical tubes;Limiting disc is rotatably provided with bevel gear disc outside by bearing assembly, form rotary drive structure;The present application is by setting fruit juice cold filtering mechanism, using 0 to 5 ℃ low temperature extraction liquid and pure water form high pressure cold vortex flow, while physically crushing berry, effectively avoid the damage of high temperature to anthocyanin activity.

The utility model provides a vertical pipe assembly of a bicycle. The vertical pipe assembly of the bicycle comprises a handle seat, a base and a locking component, the handle seat is provided with a first sleeve hole formed at one end of the handle seat, a packing part formed at the other end of the handle seat and a pivoting part formed between the first sleeve hole and the packing part. The base is arranged on the pivoting portion of the handle seat, and the handle seat can rotate relative to the base. The locking assembly is arranged on the pressing portion of the handle seat and provided with a main operation handle, an auxiliary operation handle pivoted to the main operation handle and a locking piece connecting the main operation handle and the auxiliary operation handle, and when the auxiliary operation handle and the locking piece are not connected in an abutting mode, the main operation handle can rotate relative to the locking piece. Therefore, the handlebar rotates relative to the base through the handlebar seat, and the handlebar can be converted into the storage state from the use state.

This application relates to a connection structure between the car frame and the car bottom of a backpack frame lifting platform, including a car bottom welding assembly and a lower beam welding assembly. The car bottom welding assembly includes a car bottom plate and several connecting vertical tubes disposed within the car bottom plate. The lower beam welding assembly includes a support frame, lower beam cantilever arms disposed on both sides of the support frame, bottom angle steel disposed on the lower beam cantilever arms, connecting side tubes disposed on both sides of the support frame and connected to the bottom angle steel, and at least one connecting central tube disposed in the middle of the support frame. The connecting central tube, connecting side tubes, and connecting vertical tubes are detachably connected. By setting up the car bottom welding assembly, the lower beam welding assembly, and the detachably connected connecting vertical tubes, connecting side tubes, and connecting central tubes, a split splicing connection between the car frame and the car bottom is achieved, thereby avoiding the wear and damage problems caused by integral structures during transportation, and making installation, maintenance, and parts replacement more convenient, solving the problem of lack of flexibility in the integral connection structure of the prior art.

The utility model relates to the technical field of fences, and discloses a slide rail type assembled fence which comprises two transverse pipes, one sides of the transverse pipes are fixedly connected with slide blocks, the outer portions of the two slide blocks are connected with a plurality of vertical pipes in a sliding mode, buckling grooves are formed in the sides, away from the transverse pipes, of the vertical pipes, and buckling rings are arranged on the inner walls of the buckling grooves. A buckle plate is fixedly connected to one side of the buckle ring, two inserting columns are fixedly connected to the side, close to the transverse pipe, of the buckle plate, the inserting columns and the transverse pipe are in a clamping relation, the inserting columns and the sliding blocks are in a clamping relation, and limiting assemblies used for preventing the inserting columns from sliding out of the range are fixedly connected to the outer portions of the inserting columns. And a spring is arranged outside the inserting column in a sleeving manner. By means of the design, the distance between the vertical pipes can be adjusted according to the requirements of customers, and due to the fact that installation is convenient and fast, and the size is small after disassembly, the transportation cost is reduced.

This invention belongs to the technical field of evaporation separation equipment, and particularly relates to a vertical tube falling film evaporation device with coupled gas-liquid path separation. It includes a vertically arranged shell closed at both ends, with at least one heat exchange tube inside the shell. An upper end cap is connected to the top of the shell, and a lower end cap is connected to the bottom. The lower end cap communicates with the heat exchange tube. A liquid distribution and separation buffer chamber is formed between the upper end cap and the top of the shell, and a liquid distributor communicating with the heat exchange tube is provided inside the chamber. The liquid distributor includes a liquid distributor connecting pipe, the interior of which is an outlet channel. A thickened outer circumferential wall is provided at the top of the heat exchange tube in the lower circumferential direction. Multiple spiral liquid inlet channels are evenly spaced on the outer side of the thickened outer circumferential wall. The top of the channels communicates with the liquid distribution and separation buffer chamber, and the bottom communicates with the heat exchange tube, with the side openings blocked by the inner wall of the heat exchange tube. The material forms a liquid film through the spiral liquid inlet channels. After the heat exchange medium heats the material, the evaporated gas is discharged through the outlet channel, and the concentrated material enters the lower end cap, achieving efficient gas-liquid separation and uniform liquid distribution.

The invention relates to the technical field of gas separation, and discloses a separation device for coal mine gas extraction, which comprises an upper separation tank body and a lower separation tank body which are communicated with each other, and the upper part of the upper separation tank body is provided with an extraction pipeline access pipe and an exhaust pipe; the spiral separation mechanism is used for separating gas and comprises a spiral plate, a vertical pipe is installed in the spiral plate, a spiral downward separation space is formed between the spiral plate and the vertical pipe, and the upper end of the separation space is sealed through a sealing plate; and the inclined separation filter frame is used for separating coal cinder. Mixed fluid can enter the separation space in the tangential direction and rotationally move downwards, slag and water are made to be prior to sedimentation of gas, fine coal slag and small water drops with small particle sizes in the gas can be centrifugally separated out, the gas discharged into the separation space can float upwards through the vertical pipe to be discharged, and the gas separation efficiency is improved. Therefore, fine coal cinder and small water drops with small particle sizes in the gas can be effectively separated.

The invention discloses a bicycle seat post linkage folding frame which is used for assembling a folding bicycle and the like, can be carried to a bus, a subway or a train, and is not cumbersome. A front frame (3), a rear frame (13) and a seat post (8) share a pedal center shaft assembly (9) to be rotationally folded; in addition, an energy storage telescopic mechanism (26) is designed to realize automatic folding; when a folding bicycle is installed by using the bicycle saddle, the bicycle can walk by only grabbing the saddle tube (8) with hands; when the folding device needs to be used on a subway or a train, a handle (21) of the self-locking folding device is pulled, the front vertical pipe (2) is folded, the front wheel (1) and the rear wheel (14) are folded together, and the minimum folding effect is achieved. Therefore, the knapsack can become a carry-on tool for riding instead of walk for the majority of users.

The utility model relates to the technical field of inflating devices, and discloses an inflating device for assembling an air film building, which is characterized in that a centrifugal fan, a venturi tube, a vertical tube and the like are arranged to accelerate the flow velocity of air and introduce other air, and an air inlet of the air film building is hermetically connected with a diffusion section by using devices such as a connecting tube and the like. Then a centrifugal fan and a frequency converter are started, a fan body sucks in external air through an air inlet pipe and blows the external air into an air outlet pipe, the air outlet pipe transmits wind power into a Venturi pipe, then the wind power is compressed through a storage section to enable the wind power to rapidly flow when reaching a throat pipe section, and meanwhile air in a vertical pipe is introduced into the venturi pipe; and the air volume and the air speed blown into the air film building are increased, and the effect of rapidly blowing more air is achieved.

This invention belongs to the field of enameled wire processing technology, specifically relating to an enameled flat wire production apparatus. It includes a housing, inside which a first partition divides the housing into an upper chamber and a lower chamber. A vertical tube is fixed to the first partition, penetrating it. A varnish supply pipe is connected to the side of the vertical tube, extending beyond the housing. When a conductive wire core passes through the vertical tube, a gap exists between the conductive wire core and the inner wall of the vertical tube. A first rubber stopper is provided on the bottom surface of the housing, penetrating the bottom surface and having a first through hole. When a conductive wire core passes through the first rubber stopper, it adheres to the inner wall of the first rubber stopper. A second rubber stopper is provided on the top surface of the housing, penetrating the top surface and having a second through hole. When a conductive wire core passes through the second rubber stopper, it adheres to the inner wall of the second rubber stopper. This enameled flat wire production apparatus offers relatively low production difficulty in producing enameled flat wire.

The invention relates to the technical field of condenser tube expansion, in particular to a vertical tube expander which comprises a rotating table, a base of the rotating table is fixed to the upper portion of a mounting frame, a stabilizing table is fixedly connected to the top face of the rotating table, a top seat is fixedly mounted on the upper portion of the stabilizing table, and the top of the top seat abuts against the lower portion of a condenser body. A guide assembly is arranged over the condenser body, and a pipe expanding head is arranged in the guide assembly. The pipe expanding head in the guide assembly is driven by the rolling assembly to move downwards, so that the lower end of the pipe expanding head is inserted into the expanding pipe above the condenser body, the condenser body is stabilized through the clamping piece, and meanwhile, the condenser body is supported under the cooperation of the stabilizing table and the top seat. And when the rotating table is started, the mounting framework rotates by 90 degrees above the mounting frame to replace the condenser body clamped in the clamping piece on the other side, so that the tube expansion method of the top copper tube of the condenser body can be alternately replaced, and the tube expansion efficiency of the top copper tube of the condenser body is improved.

The utility model relates to the technical field of food processing equipment, in particular to a high-pressure egg marinating device which comprises an outer tank, a discharging pipe fixedly installed at the bottom end of the outer tank, a ball valve fixedly installed on the discharging pipe, an external electric heater fixedly installed outside the outer tank and used for temperature control heating, and a top cover assembly arranged at the top of the outer tank and used for sealing. An inner mesh barrel which is integrally in a mesh barrel shape is arranged in the outer tank, a vertical pipe is fixedly installed at the bottom end of the inner mesh barrel, the tail end of the vertical pipe is inserted into a valve body of the ball valve and does not affect rotation of a valve element of the ball valve, and a brine filling gap is formed between the inner mesh barrel and the outer tank. And the inner mesh cylinder is used for circulating the marinating liquid and preventing the eggs and marinating materials from falling out to the marinating liquid filling gaps. The marinating and discharging device is convenient to marinate and discharge, and is convenient to use.

This utility model discloses a test tube shaking device for geochemical testing, comprising: a U-shaped base with multiple arc-shaped protrusions evenly spaced on its bottom inner wall; a U-shaped support with four rollers rotatably mounted on its rectangular bottom, the rollers making movable contact with the bottom inner wall of the U-shaped base and cooperating with the arc-shaped protrusions; and a test tube insert sealing and positioning anti-detachment plug assembly installed on the U-shaped support. This utility model, through a series of structures, facilitates the safe positioning of multiple test tubes and the simultaneous and safe sealing and anti-detachment of multiple test tube plugs, preventing the test tube plugs from detaching during shaking. It also facilitates single-drive, integrated, bidirectional reciprocating shaking of multiple vertical tubes. Utilizing this bidirectional reciprocating vibration method, it significantly increases the vibration interference of the liquid inside the test tubes, improving the mixing effect and efficiency of the liquid. Combined with the safe sealing and anti-detachment of multiple test tube plugs, it ensures the safety of the shaking operation.

The invention discloses a CFD (Computational Fluid Dynamics)-based simulation analysis method for flow and evaporation characteristics of a falling film of a microstructure vertical pipe. According to the method, a geometric model is firstly constructed, grid local encryption and independence verification are carried out, then a control equation set containing continuity, momentum, energy and component transportation is constructed, an interface phase change model based on Rankine-Hugoniot jump conditions is particularly introduced, mass and energy transfer of a gas-liquid interface is accurately calculated through a user-defined function, and the gas-liquid interface phase change control method based on the Rankine-Hugoniot jump condition is obtained. And finally analyzing the film forming characteristic, flow field distribution and evaporation performance of the liquid film through post-treatment. According to the method, the physical mechanism of the microstructure induced secondary flow and the reconstructed thermal boundary layer can be analyzed, the heat transfer enhancement effect of different microstructures can be quantitatively evaluated, and the problem that a traditional empirical formula cannot predict the microstructure enhancement mechanism is effectively solved; and a low-cost and high-efficiency virtual experiment platform is provided for the optimal design of the high-performance vertical falling film evaporator.

The utility model belongs to the technical field of bicycles, and discloses a front fork, a frame and a bicycle, the front fork comprises a front fork vertical pipe and two front fork legs, the front fork vertical pipe is provided with two mounting parts, and the two mounting parts are respectively welded with the two front fork legs; a first-level protrusion is arranged on the first one of the installation portion and the front fork leg in a protruding mode, a second-level protrusion is arranged on the first-level protrusion in a protruding mode, and the second one of the installation portion and the front fork leg is arranged on the second-level protrusion in a sleeved mode and connected with the first-level protrusion in an abutting mode, so that rapid positioning is achieved, and installation is convenient. The mounting part, the front fork leg and the first-stage protrusion jointly form a filler groove used for containing welding flux, so that when the mounting part and the front fork leg are connected in a welded mode, the welding flux can be contained in the filler groove, the mounting part and the front fork leg are fixedly connected, after welding, the welding flux outside the filler groove can be polished, the appearance of the front fork is neater, and the service life of the front fork is prolonged. And the strength of a connecting structure between the mounting part and the fork leg of the front fork is not influenced.

The utility model discloses a movable concrete spreader which comprises a vehicle body crawler chassis, a hydraulic supporting leg mechanism, a supporting stand column and a distributing pipe, two balance weight frames are arranged on the left side and the right side of a vehicle body, the distributing pipe comprises a vertical pipe, a middle pipe, a transition pipe and an outlet pipe, and the supporting stand column is connected with a rotating pipe through a first swivel joint. The outlet end of the vertical pipe penetrates through the top of the rotating pipe to be connected with the inlet end of a middle pipe, the middle pipe is arranged along the supporting cross beam, the outlet end of the middle pipe is connected with the inlet end of a transition pipe, the transition pipe penetrates through the outlet end of the end of the supporting cross beam to be connected with a second rotating connector, and the outlet end of the transition pipe is connected with the inlet end of an outlet pipe. The inlet end of the outlet pipe is embedded in the hoop, the hoop is connected with the second swivel joint, and the hoop and the extension beam are integrally formed. Multi-directional concrete pouring is achieved through unfolding, folding and rotating of the material distributing pipe, movement of the material distributing machine is achieved through the crawler chassis, the configuration frame is moved downwards, and the situation that the whole machine is heavy in the upper portion and light in the lower portion is avoided.

This invention discloses a method for large-size ammonium fluoroborate single crystal vapor phase growth, comprising the following steps: weighing two or more compounds containing NH4, B, O, and F as raw materials in a stoichiometric ratio of 1:4:6:1, mixing them thoroughly, adding a transport agent to obtain an initial mixture, and loading the initial mixture into a crystallization vessel; during the crystal growth stage, seed crystals or suspended seed crystals are selected by geometric selection and temperature screening among the grains; the crystallization vessel is dynamically heated within the temperature gradient zone of a vertical tube furnace, the dynamic heating being achieved by independently raising or lowering the temperatures of the high-temperature and low-temperature zones to dynamically control the temperature gradient of the crystal growth zone, so as to match it with the temperature gradient required at each stage of the crystal growth process; the raw materials crystallize in the crystal growth zone under the transport agent, resulting in large-size ammonium fluoroborate crystals. This invention produces large-size single crystals, is simple to operate, and highly practical, representing a superior ammonium fluoroborate single crystal growth process.

The utility model relates to an improved bicycle seat tube and frame packing structure which comprises a frame and a seat tube, a packing plug cavity communicated with an inner cavity of a vertical tube is formed at the joint of an inner cavity of an upper tube of the frame and the vertical tube of the frame, and a wedge-shaped convex block and a positioning concave block matched with the wedge-shaped convex block are respectively arranged in the packing plug cavity. The face, right facing the seat tube, of the wedge-shaped protruding block serves as a packing face, the positioning concave block and the wedge-shaped protruding block are connected through a connecting screw on the upper side of the mutual contact face, and a penetrating hole channel communicated with the packing plug cavity is obliquely formed in the position, connected with the vertical tube of the bicycle frame, of the bottom face of the upper tube of the bicycle frame. A threaded hole channel coaxial with the penetrating hole channel is formed in the positioning concave block, and a Kimi screw capable of abutting against the wedge-shaped protruding block is connected into the threaded hole channel in a threaded mode. The packing structure is completely hidden in the bicycle frame upper pipe, wind resistance can be effectively reduced, meanwhile, the Kimi screw is rotated to apply force to the wedge-shaped protruding block from bottom to top, the seat pipe is locked more easily, and the stability of the seat pipe is guaranteed.

The utility model relates to the technical field of vehicles, in particular to a handlebar steering assembly and a vehicle. The handlebar steering assembly is rotatably installed on a frame and comprises a first vertical pipe, a clamping component and an elastic component, the first vertical pipe is used for being matched with a handlebar, a plurality of grooves extending in the axial direction of the first vertical pipe are formed in the peripheral face of the first vertical pipe, the clamping component comprises a clamping body and a quick release component, and the elastic component is arranged in the clamping body. The lower end of the first vertical pipe is at least partially matched in the clamping body, the quick release component is connected with the clamping body and used for fixing and releasing the first vertical pipe and the clamping body, and when the quick release component releases the first vertical pipe and the clamping body, the first vertical pipe can move up and down and rotate relative to the clamping body; one end of the elastic component abuts against the peripheral face of the first vertical pipe, and the other end of the elastic component can be correspondingly arranged in the groove in a matched mode. According to the handlebar steering assembly, the handlebar can be conveniently rotated to be stored when a vehicle is parked against a wall, the occupied area is reduced, and operation is easy, convenient and fast.

The invention relates to the technical field of weighing and settlement, in particular to a canteen weighing and settlement all-in-one machine which comprises a bottom shell, a vertical pipe is arranged at the rear end of the bottom shell, a self-cleaning supporting platform is arranged above the bottom shell, the supporting platform is connected with a weighing sensor located in the bottom shell, and the two ends of the supporting platform both protrude out of the bottom shell. A collecting bin is arranged below the end part of the supporting platform; an industrial camera is arranged above the supporting platform, and an integrated computer is adjustably arranged at the upper end of the vertical pipe; the industrial camera is arranged, the industrial camera is connected with the processor of the integrated computer, photos of meals placed on the supporting platform can be obtained and compared with the photos pre-stored in the processor, whether the meals are sold according to parts or mass is judged, and meanwhile the cost of the meals is displayed through the integrated computer; the current situation that existing weighing settlement equipment can only be used for mass selling is changed, and the practicability of the device is improved.

This utility model discloses a chemical alcohol lamp experimental rack, including a base. A placement seat for holding the alcohol lamp is installed on one side of the top of the base. An adjustment mechanism is also installed on one side of the top of the base to fix chemical experimental vessels of different sizes. The adjustment mechanism includes a mounting housing fixedly installed on one side of the top of the base, and a vertical tube is connected to the top of the mounting housing. A slider is slidably mounted on the surface of the vertical tube. Using this mounting mechanism, when placing experimental vessels of different sizes, the experimenter rotates a double-ended screw via a second handle. The threaded connection between the double-ended screw and the moving seats drives the two moving seats and the clamping plate to move synchronously inward or outward, thereby adjusting the distance between the two worm gears. This allows for the fixing of experimental vessels of different sizes, preventing shaking and damage to the vessels during use.

A peristaltic pump having a motor with a motor axis, a cassette with a rotor connected to the motor axis and a plurality of rollers, a tube partially surrounding the rotor between the rollers and a pressure plate mounted to a side wall, a spring between the pressure plate and a cover for applying a force to the pressure plate against the tube, and guiding ribs on an inner surface of the pressure plate facing the tube on both sides. The tube has a first end connected to a first vertical tube connector of a first external connector on one side of the rotor and a second end to a second vertical tube connector of a second external connector on the opposite side of the rotor. The first and second vertical tube connectors are connected to a connecting tube of a bridge providing at least one outlet.

This utility model discloses a layered focusing ultrasonic cleaning chamber for PCB boards, comprising a main chamber, a rinsing chamber, and a high-frequency transducer. The rinsing chamber is bolted to the left side of the main chamber near the top, and the top of the main chamber is open. A rotating mesh box is located near the top inside the rinsing chamber, and an electric door is installed on the front side of the rotating mesh box. The main chamber and the rinsing chamber each have slots matching the rotating mesh box. A sealing plate is slidably connected to the left inner wall of the main chamber. This technical solution, through the cooperation of components such as the rinsing chamber, high-frequency transducer, rotating mesh box, rotating tube, and vertical tube, enables effective rinsing and ultrasonic cleaning, thus achieving thorough cleaning and improving cleaning efficiency. It also allows for multi-position auxiliary drying, enabling effective drying and improving overall drying and utilization efficiency.

This utility model discloses a hanging rack for metal product processing, relating to the field of metal processing technology. It includes a base with a fixed seat on it. The fixed seat has a sliding groove and a sliding mechanism, a lifting mechanism, and a suspension mechanism. The sliding mechanism includes a sliding block and a socket. The sliding block is slidably installed in the sliding groove, and the socket is fixedly installed on the sliding block. The lifting mechanism includes a plug, a vertical tube, a vertical rod, and a top block. The plug is inserted into the socket, the vertical tube is fixedly installed on the plug, one end of the vertical rod is slidably installed in the vertical tube, and the top block is fixedly installed on the vertical rod. A fixing screw is provided on the vertical tube, with the end of the fixing screw contacting the vertical rod. The position between adjacent sets of sliding blocks can be adjusted according to the width of the metal product, thereby preventing collisions between adjacent metal products and providing good protection for the metal products. Through the cooperation between the vertical tube and the vertical rod, the height of the top block can be flexibly adjusted, facilitating the hanging of metal products of different lengths.

A locking apparatus for preventing loosening of a ring clamp, comprising an insertion tube (10) axially provided with a groove (11) along an outer circular wall surface, a vertical tube (20) axially provided with a notch (21) along a wall body, a ring clamp (30) sleeved on the outer circumference of the vertical tube (20), and an eccentric wheel locking mechanism (40) connected to the open end of the ring clamp (30), wherein the inner circular wall surface of the ring clamp (30) is provided with a boss (31) matching the groove (11); the boss (31) is connected to the inner circular wall surface of the ring clamp (30) by means of a guide block (32); the guide block (32) is engaged in the notch (21) of the vertical tube (20); the surface of the vertical tube (20) is provided with a positioning slot (22); the positioning slot (22) is arranged on one side of the notch (21); the positioning slot (22) is communicated with the notch (21); the positioning slot (22) is used for accommodating the guide block (32). In the locking apparatus for preventing loosening of the ring clamp, the guide block rotated into the positioning slot prevents relative axial movement of the insertion tube and the vertical tube in a harsh or bumpy environment, and thus, the safety is higher.

The utility model relates to the technical field of organic fertilizer mixing devices, in particular to a batching and mixing device for organic fertilizer production, which comprises a stirring and mixing barrel, a conical hopper is fixedly mounted at the bottom end of a storage barrel, a vertical pipe is fixedly mounted at the bottom end of the conical hopper, a second discharge valve is fixedly mounted on the vertical pipe, and a spiral feeder is arranged at the bottom end of the vertical pipe. The vertical pipe is fixedly installed at the feeding end of the spiral feeder, the discharging end of the spiral feeder is fixedly installed on a top barrel body of the stirring and mixing barrel, the spiral feeder is arranged in a downward inclined mode, a discharging hopper is fixedly installed at the bottom end of the stirring and mixing barrel, a discharging pipe is fixedly installed at the bottom end of the discharging hopper, and a first discharging valve is fixedly installed on the discharging pipe. A stirring motor is arranged at the top of the stirring and mixing barrel, a stirring shaft is fixedly mounted at the tail end of an output shaft of the stirring motor, and stirring blades are fixedly mounted on the stirring shaft. The stirring and mixing device is convenient for stirring and mixing operation, and is favorable for discharging excessive water.

A shower set with a concealed hose has a vertical tube that conceals a mechanism consisting of a cartridge with axial water outlet mounted in reverse position. The vertical tube deforms to integrate a hose and a handheld shower in its contour. The rotation of the vertical tube on its two ends hides or shows the hose and the handheld shower. A system for blocking the rotation when the water is coming out of the upper shower head is provided at an upper end.

The utility model discloses the technical field of belt conveyors, and particularly relates to an anti-deviation correcting device of a belt conveyor, which comprises a rack, a plurality of triple carrier rollers which are arranged on the rack at equal intervals in the left-right direction and support a belt together, and anti-deviation correcting pieces which are used for correcting materials in an anti-deviation mode are arranged on the front side and the rear side of the rack. The anti-deviation correcting piece comprises a U-shaped clamping base, a rectangular fixing vertical pipe is arranged in the middle of the top of the U-shaped clamping base, a supporting column capable of being adjusted up and down is arranged in the rectangular fixing vertical pipe, a frame-shaped fixing block is arranged at the top end of the supporting column, an adjusting transverse plate capable of being adjusted front and back is arranged in the frame-shaped fixing block, and a correcting baffle is arranged at the rear end of the adjusting transverse plate. According to the anti-deviation correction device of the belt conveyor, through the design of the anti-deviation correction piece, real-time deviation prevention and correction can be carried out on materials which may deviate on the belt, and particularly the problem that in the conveying process, due to vibration of the belt or uneven distribution of the materials, the materials may fall off from the two sides of the belt is solved.

The utility model provides a hot standby machine system of alkaline water electrolysis hydrogen production equipment. The hot standby machine system comprises a base, a connecting block, a gas-liquid separator, a gas washer, a gas cooler, a connectable conveying filling pipe structure and a connectable guiding and distributing guiding pipe structure. The gas-liquid separator, the U-shaped communicating pipe, the first connecting pipe, the second connecting pipe and the first electromagnetic valves are matched with one another, so that the corresponding first electromagnetic valves are controlled to be opened and closed in the using process, and the aim of conveniently filling different devices in the working process is achieved; a gas-liquid separator, a gas scrubber, a top end communicating pipe, a vertical pipe, a bottom end communicating pipe, a second electromagnetic valve and a third electromagnetic valve are matched with one another, so that the second electromagnetic valve and the third electromagnetic valve are controlled to be opened and closed for matched work in the use process; and the aim of conveniently maintaining and overhauling the stopped equipment in the use process is fulfilled.