80 results about "Single tube" patented technology

The application provides a double-motor spray cooling system, a power assembly and a vehicle, and relates to the technical field of vehicle parts. The double-motor spray cooling system comprises a liquid supply pipe, a first spray branch pipe, a second spray branch pipe and a liquid supply structure. An isolation wall is arranged in the liquid supply pipe, and the isolation wall divides the inner cavity of the liquid supply pipe into parallel first and second liquid supply flow channels. The liquid inlets of the first and second liquid supply flow channels are in communication with the liquid outlet of the liquid supply structure to obtain cooling liquid. The liquid outlet of the first liquid supply flow channel is in communication with the first spray branch pipe, and the first spray branch pipe is used for spraying and cooling the first motor. The liquid outlet of the second liquid supply flow channel is in communication with the second spray branch pipe, and the second spray branch pipe is used for spraying and cooling the second motor. Through integrated design of the single-pipe double-flow channel, the pipeline structure of the double-branch liquid supply is integrated into a single liquid supply pipe, thereby effectively simplifying the pipeline layout of the double-motor spray cooling system and reducing the installation space occupied by the pipeline.

Cleaning equipment and devices are provided for fin fans that includes one or more blasting nozzles configured to propel a cleaning media from the blasting nozzle towards the fin fans to remove fouling on the fin fans, for instance, caused by dirt, dust, grease, plants, condensation and the like. The blasting nozzle if configured to propel a cleaning media, such as dry ice, that cleans the fin fans while minimizing risk of damage to the fin fans and also minimizing environmental impact associated with the cleaning activities. The cleaning equipment may be a single-hose, double-hose, or triple-hose system depending on the specific operating parameters and desires of a user. The cleaning equipment may include additional features, for instance, a fragmenter configured to break up dry ice particles, and / or a handle, trigger, and / or controls to manage operation of the device.

The utility model discloses a kind of assembly structure of integrated positive and negative pole plate, it is related to electrode design technical field, including several row pipes, the row pipe has several single pipes and is formed into horizontal arrangement, the top of row pipe is provided with two sheaths, two the sheaths are symmetrically arranged at the two sides of row pipe, and one end of the sheath is equipped with electrode contact point, compared with prior art traditional single-sided electrode plate, positive and negative pole plate needs to be staggered, and the structure of gap for another polarity row pipe insertion needs to be reserved between the same polarity row pipe, by forming integrated design by separating positive and negative pole and arranging row pipe two sides, no need to control assembly gap when vertically assembling, not only greatly shorten assembly time, but also can reduce row pipe spacing, significantly save the space occupied by positive and negative pole plate whole after assembly.

The application discloses a tube bundle structure with a turbulent flow function in a shell-and-tube equipment, which comprises a plurality of independent single tubes (1), and the open ends of the plurality of single tubes (1) are respectively inserted into mounting holes (3) provided on both sides of tube plates (2); the single tube (1) is characterized in that a helical blade (4) for generating a turbulent flow of a flowing medium in the single tube (1) is inserted into each single tube (1); the length of each helical blade (4) corresponds to the length of each single tube (1); the width of each helical blade (4) corresponds to the diameter of each single tube (1); the helical blade (4) is inserted into the single tube (1) along the axial direction of the single tube (1) and penetrates through the whole single tube (1); and the helical blade (4) is mounted in the single tube (1) through a detachable connecting structure. The application can improve the heat exchange efficiency under the condition of reducing the processing difficulty and manufacturing cost, and is convenient to replace and maintain.

This invention discloses a powder material weighing and metering device and method, relating to the field of powder material weighing technology. The invention includes a frame, a top box, a storage tank, a movable seat, a discharge pipe, and a feeding platform. The top box is fixed to the top of the frame, the movable seat is fixed to the periphery of the frame, the storage tank is fixed to the movable seat, and the discharge pipe is fixed to the bottom of the storage tank with screws. The feeding platform is fixed to the periphery of the frame directly below the movable seat. The storage tank of this invention can be assembled into a single tank or a double tank. In the single tank configuration, the mixing shaft is integrated through a specific first plate, suitable for single-pipe discharge scenarios. In the double tank configuration, a second plate with a partition is used, and the mixing shaft is used separately on both sides, achieving dual-pipe discharge. Both tanks can be loaded with the same or different powder materials for weighing and metering. Furthermore, when used in a dual-station configuration, both stations can be used simultaneously or independently, meeting different production needs.

The application relates to the technical field of single-pipe iron towers, in particular to a high-strength single-pipe iron tower with a quick dismounting joint, which comprises a mother pipe, a son pipe is embeddedly connected to the upper surface of the mother pipe, a taper sleeve is fixedly connected to the upper surface of the mother pipe, a wedge core is fixedly connected to the lower surface of the son pipe, a mounting groove is formed in the outer surface of the taper sleeve, a guide locking mechanism is arranged in the mounting groove, the guide locking mechanism comprises a base, an arc-shaped retaining sleeve, an extrusion shaft and a nut, the base is fixedly connected to the inner surface of the mounting groove, when the extrusion shaft is pushed, the outer side of a push clamping plate is pushed, the inner side of the push clamping plate is clamped into a clamping groove, the wedge core is mechanically limited, double fixing is formed with wedge self-locking, connection loosening under dynamic wind load is prevented, a stud is hingedly connected with one end of a clamping spring reinforcing hoop, a hand wheel is rotated to adjust the opening degree, the clamping spring reinforcing hoop generates different pre-tightening forces, different diameter tower bodies are adapted, and the operation is performed manually without tools.

This invention relates to a solid-state hydrogen storage tank and its preparation and filling / discharging methods, belonging to the field of hydrogen storage and transportation technology. It solves the technical problem that the low thermal conductivity of granular and powdered hydrogen storage alloys leads to reduced hydrogen absorption and discharging rates, while existing solid-state hydrogen storage tanks with internal heat exchange structures suffer from complex manufacturing processes and high costs. A solid-state hydrogen storage tank includes a valve, a tank body, a metal mesh array, and granular hydrogen storage alloy dispersedly filled within the metal mesh array. The tank body is a cylindrical, straight-sided bottle shape. The valve fits into the bottle opening of the tank body. The metal mesh array is densely filled inside the tank body and tightly adheres to the inner wall of the tank body. The solid-state hydrogen storage tank of this invention constructs a metal mesh array through the combination of single metal mesh tubes, forming a dense and continuous metal mesh heat transfer network with high thermal conductivity. This reduces the high / low temperature levels of the hydrogen storage alloy bed, especially in the core area, and significantly shortens the hydrogen filling time.

This invention discloses a PVC pipe product testing equipment and method, belonging to the field of PVC pipe testing technology. It includes a testing box with a controller fixedly installed on the front side and a drain pipe connected to one side of the bottom. The testing box is equipped with a water injection component capable of simultaneously testing the sealing performance of multiple pipes. The water injection component includes a fixed pipe fixed inside the testing box, with multiple parallel horizontal pipes connected to its upper side. Conical sealing plugs are fixedly installed at the ends of the horizontal pipes. This invention, by setting up multiple sets of parallel connecting pipes and using an electric pusher linkage structure, can simultaneously and quickly seal both ends of multiple PVC pipes, achieving batch synchronous water pressure sealing performance testing. This changes the inefficient traditional single-pipe pressure testing mode, significantly reducing testing time and increasing overall operational capacity. It can meet the quality inspection needs of enterprises for large-volume pipe shipments and has stronger adaptability.

The utility model discloses a kind of multi-component high-strength single-pipe tower, including tower body and ladder assembly, tower body includes the conical tower pipe of multiple segments flange connection in turn;Ladder assembly includes mounting bracket, ladder section and guard ring, mounting bracket includes mounting rod and welding column, mounting rod is vertically and is paired with one side of conical tower pipe, welding column is located at the side of mounting rod facing conical tower pipe, and is welded with conical tower pipe;Ladder section is straight ladder, and the two sides of ladder section are connected with two mounting rods respectively, and guard ring is detachably located at the side of ladder section away from mounting rod.The utility model discloses a kind of multi-component high-strength single-pipe tower, setting modular reliable structure, it is convenient to replace maintenance.

The application discloses a flexible capillary hydrogen storage device and a manufacturing method thereof, and is characterized in that device components include a framework, a flexible hydrogen storage capillary and a high-pressure-resistant metal connecting piece; wherein both ends of the flexible hydrogen storage capillary are in an open state. The device manufacturing steps include: flexible hydrogen storage capillary single-pipe drawing, flexible hydrogen storage capillary arrangement and flexible hydrogen storage capillary end sealing. Compared with the prior art, the application can realize higher hydrogen storage pressure and higher mass hydrogen storage density, and the device has the advantages of flexible structure, higher safety, no hydrogen embrittlement and the like.

The application discloses a plate-tube type freezing evaporator in the technical field of refrigeration equipment, which comprises an evaporation plate and an evaporation pipe, the evaporation pipe is fixed on the evaporation plate, both ports of the evaporation pipe are located on the same side of the evaporation plate, a plurality of punching ports are arranged on the evaporation plate, the punching ports are oppositely arranged in pairs, a first folding edge is arranged at the opposite end of the opposite punching ports, the evaporation pipe is arranged on the inner side region opposite to the first folding edge, and the evaporation pipe can be arranged in a single-pipe independent fixing mode or a double-pipe parallel fixing mode in the inner side region, a second folding edge and a third folding edge are sequentially connected to the two sides of the evaporation plate, notches are arranged at the upper and lower ends of the second folding edge, and the two ports of the evaporation pipe penetrate the notches.

Provided is a material for use in a hydrogen storage structure, a hydrogen storage single tube, and a material composition for a hydrogen storage structure used for the preparation of the material for use in the hydrogen storage structure and the hydrogen storage single tube. The hydrogen storage single tube is provided with a honeycomb-shaped high pressure hydrogen storage structure with a micron-sized pore diameter and is lightweight. A hydrogen storage structure having a pore diameter of 150 μm and a pipe wall thickness of 35 μm has an ultimate pressure of >200 MPa, a Rockwell hardness of 86-89, a high temperature resistance of >1900° C., a low temperature resistance of <−260° C., low thermal conductivity, high temperature thermal insulation, and strong acid and alkali resistance. In a high density hydrogen work atmosphere and a complicated dynamic environment, the high pressure hydrogen storage structure is very stable.

The utility model relates to pipeline transportation equipment technical field, concretely is a single -tube transport car, including equipment support, the upper side of equipment support is provided with the support seat that is U -shaped, the middle position fixedly connected with the locating sleeve of equipment support upper surface, the middle position fixedly connected with the rotating shaft of support seat lower surface, rotating shaft and locating sleeve rotation connection, the downside of equipment support is provided with mobile subassembly, and mobile subassembly includes connecting shaft, mobile gyro wheel, transmission shaft, connecting block, mobile pull rod and mobile handle, through the upper side of the support seat of two groups of transport cars of setting up respectively in two ends of metal steel pipe, two groups of transport cars cooperate to the transportation of metal pipeline, effectively improve the transfer efficiency of metal pipeline.

The application discloses a high-efficiency devolatilization process and equipment suitable for a POE production process. The process comprises three sections of pre-devolatilization, primary devolatilization and fine devolatilization. The pre-devolatilization section concentrates the light phase content from 70-90% to 20% or below. The primary devolatilization and fine devolatilization sections adopt falling-film enhanced heat transfer. The light content in the primary devolatilization section is controlled in the range of 2.5-7%, and the light content in the fine devolatilization section is controlled to be 1% or below. The primary devolatilization section and the fine devolatilization section both adopt single-tube falling-film evaporators, which comprise a separation chamber and a falling-film heating chamber in the central cavity of the separation chamber. The falling-film heating chamber comprises annular falling-film heat exchange tube bundles and a heat-conducting oil return chamber arranged in the central cavity of the annular falling-film heat exchange tube bundles. The heat-conducting oil return chamber is provided with a heat-conducting oil outlet at the upper end. A polymer inlet is arranged above the space between the annular falling-film heat exchange tube bundles and the heat-conducting oil return chamber. The process can realize one-time devolatilization of reaction polymer materials containing a large amount of solvent, and directly reach the light phase content index of 1% or below, even reaching the requirement of PPM level.

The application discloses a single-pipe self-expanding filling and planting device and a construction method, which comprises a telescopic expansion nail arranged in a zigzag hole, wherein the top of the telescopic expansion nail is connected with the bottom of a planting block; the planting block comprises a planting layer and an upper water bag arranged in sequence from top to bottom; a hollow sleeve is vertically arranged in the planting layer and the upper water bag; the bottom of the hollow sleeve sequentially penetrates a cutter wheel limiting mechanism and a lower water bag and is connected with the top of the telescopic expansion nail; a water-permeable hole is arranged at the position where the hollow sleeve contacts with the lower water bag; and the top of the hollow sleeve is connected with a rotating puncturing mechanism; when the small zigzag hole on the side slope is filled, the application greatly simplifies the process and construction steps of repairing the small zigzag hole, and reduces the required manpower and material resources cost.

The utility model discloses a kind of air-water separation mechanisms of water generator, including main body, shell is installed on main body, water outlet is installed below shell, air outlet is installed above water outlet screen, connecting flange is installed below air outlet, air inlet is installed below connecting flange, double air inlets are installed on the upper of air inlet, spiral baffle is installed at the right side of double air inlets, isolating plate is installed above spiral baffle, air pipe is installed below isolating plate, water level monitoring device is installed above filter plate.The air-water separation mechanism of the water generator, air inlet is converted into double row by connecting flange single pipe, increase flexibility, optimize airflow distribution, conducive to equipment integration and air intake efficiency improvement;Isolating plate is installed on spiral baffle, by gravity and centrifugal force air-liquid high-efficiency separation, exhaust is filtered again by filter plate again, energy saving and ensure exhaust pure.

This utility model belongs to the field of wastewater treatment technology, specifically relating to a wastewater treatment device for ore cyanidation. It includes a reaction tank with a stirrer installed on it. A distributor is fixed to the upper side of the reaction tank, and the distributor includes an overflow tray. An inlet pipe and an outlet pipe are located at the bottom of the overflow tray. Through holes at the top of the inlet and outlet pipes connect to the bottom of the overflow tray. The opening edge of the overflow tray is bent outwards to form a guide rail. One end of the inlet and outlet pipes extends to the outside of the reaction tank and is respectively equipped with an inlet valve and an outlet valve. The inlet valve and outlet valve are respectively connected to a feed tee and a circulation pipe. The feed tee is connected to a hydrogen peroxide pumping line and a circulation pipe. The circulation pipe is connected to a hydrogen peroxide storage tank. The hydrogen peroxide solution can be evenly distributed from bottom to top along the guide rail into the reaction tank, avoiding excessive local heat caused by single-pipe dripping. By switching the control of the inlet and outlet valves, the remaining liquid in the overflow tray can be quickly recovered.

This invention provides a tunnel ventilation construction method, belonging to the field of tunnel engineering. It includes: ventilation of the entrance work area and cross passage work area, using a single-machine, single-pipe forced-in method to inject fresh air into the excavation face; ventilation after tunnel breakthrough, utilizing cross passages for tunnel ventilation; and tunnel dust control, implementing dust control throughout the entire tunnel excavation stage. The aim is to solve the problems of turbulent airflow and insufficient air supply that are common in existing tunnel ventilation construction methods. The achieved technical effects are: avoiding localized oxygen deficiency and harmful gas accumulation caused by turbulent airflow, and significantly improving the air circulation and safety of the working face during tunnel ventilation construction.

The utility model discloses a PTC heating single pipe, including heating sheet, plastic coated electrode sheet, first electrode sheet, insulating ceramic sheet, insulating film and aluminium pipe, plastic coated electrode sheet is by insulating frame body and second electrode sheet is composed, and second electrode sheet sets up in the outside of insulating frame body and is connected as an organic whole with insulating frame body, still equal interval is provided with a plurality of baffle in insulating frame body, and each baffle divides insulating frame body into a plurality of installation chamber, and heating sheet is by a plurality of split main part and is composed, and each main part is inserted in each installation chamber, and one face of each main part is respectively with second electrode sheet abuts, and first electrode sheet closes the other side of insulating frame body and is with another face of each main part abuts, and insulating ceramic sheet has two, and two insulating ceramic sheets are respectively arranged in the outside of first electrode sheet and second electrode sheet, and insulating film is covered in the outside of two insulating ceramic sheets and insulating frame body, and aluminium pipe sleeve is placed in the outside of insulating film, the utility model discloses simple assembly, and when working, it is difficult to produce abnormal sound.

The utility model provides a kind of new feed water pump circulation pipe structure for deaerator, belong to deaerator technical field.The deaerator circulation pipe of traditional single pipe structure is solved when the output of unit increases, the problem of excessive noise and vibration and impact of the internal components of deaerator due to the increase of circulating water quantity.It includes double-layer sleeve pipe, upper cover plate and lower supporting plate, the double-layer sleeve pipe includes porous pipe and energy dissipation device cylinder, the energy dissipation device cylinder is coaxially sleeved outside the porous pipe, the pipe wall of the porous pipe and energy dissipation device cylinder is provided with through hole, the top end of the porous pipe and energy dissipation device cylinder is connected with upper cover plate, the bottom end of the energy dissipation device cylinder is connected with lower supporting plate, the center of the lower supporting plate is provided with round hole, the bottom of the porous pipe is provided with extension pipe, the extension pipe penetrates lower supporting plate, penetrates deaerator cylinder and extends to outside after penetrating lower supporting plate.It is mainly used as the circulation pipe of deaerator.

This invention relates to the field of launching device technology, and provides a spring-driven launching device for firefighting, military and police use. The device includes a control unit, a drive unit, a housing, and one or more launching units. Each launching unit includes a launching tube, a pressure spring, and a launching element. The pressure spring is built into the launching tube for energy storage, storing potential energy and providing driving force through compression or torsion. The launching element is installed inside the launching tube and is launched when the spring releases its potential energy. The drive unit is driven by a motor or mechanically. This invention employs a multi-tube modular design combining spring power and mechanical drive, abandoning the traditional gunpowder-activated, high-pressure gas cylinder-driven mode. It effectively solves the problems of single-tube launchers—limited functionality, low efficiency, and poor adaptability—and avoids the defects of traditional multi-tube devices—complex structure, low safety, and fixed launching modes. The overall structure is compact, reliable in operation, and safe to use, making it practically valuable in fire emergency rescue, police non-lethal response, and various high-risk space disposal scenarios.

A spiral radiator includes a metal conduit, which is a single tube. Multiple spiral thin segments (1) are sequentially arranged on the outer wall of the metal conduit along the axis of the metal conduit. Each spiral thin segment (1) is composed of a continuous spiral thin sheet (2) extruded on the outer wall of the metal conduit. The spiral thin sheet (2) serves as a heat dissipation fin. The bare tube portion (3) of the metal conduit located between adjacent spiral thin segments (1) is arranged in a U-shape, so that each spiral thin segment (1) is arranged in a parallel stack from top to bottom. The spiral radiator eliminates the through-hole structure and the conduit and heat dissipation fins are designed as an integral unit.

The utility model provides a colorimetric tube storage box device, including box body structure, bayonet mechanism and return spring, the upper portion of box body structure is provided with the placing groove for placing a plurality of colorimetric tubes in turn, the left end of box body structure lower part is provided with the track sliding slot of communication with the placing groove, is used for the colorimetric tube under the action of gravity and slides out, the bayonet mechanism is set up in the connecting place of track sliding slot front end and the tail end of placing groove through return spring activity, is used for opening the bayonet release colorimetric tube when being pressed by external force, and under the automatic reset of return spring and the blocking of next colorimetric tube. The utility model discloses the linkage design of bayonet mechanism and return spring realizes single -tube controllable release, utilizes gravity slide rail to realize automatic sequencing, can effectively improve experimental efficiency, reduces the breakage rate of colorimetric tube, and keeps the storage order of colorimetric tube, ensures the smooth progress of chemical analysis and testing.

This invention discloses a method for calculating the sight distance of horizontal curves on roads based on a single-tube double-layer tunnel, comprising the following steps: 1. Obtaining the sight distance value S for all horizontal curve segments of the road. n 2. Calculate the lateral clearance h that a single-tube double-layer tunnel can provide for each horizontal curve segment. n 3. Based on the line element combination of the viewpoint trajectory line and the driving sight distance S of all horizontal curve road segments. n Calculate the maximum lateral clearance h that can guarantee the sight distance for each horizontal curve segment in both the up and down directions of a single-tube double-layer tunnel. max_n 4. The maximum lateral clearance h of each horizontal curve segment. max_n With the corresponding lateral clearance h n The comparison is performed to determine whether the sight distance requirements for the corresponding horizontal curve sections are met and guaranteed; 5. For each horizontal curve section that does not meet the sight distance requirements, measures such as widening the road shoulders are taken to ensure that the sight distance requirements for the horizontal curve sections are met. This invention improves the accuracy of horizontal curve sight distance calculation and has a greater role in reducing driving risks.

This invention relates to the field of solid-state hydrogen storage technology, specifically disclosing an adaptive heat exchange device for multi-size hydrogen storage single tubes. The device includes a heat exchange cylinder with a hydrogen storage single tube installed inside, a support and guiding mechanism positioned below the heat exchange cylinder for supporting and guiding the single tube, and an adjustable baffle mechanism mounted on the heat exchange cylinder. The adjustable baffle mechanism includes an upper baffle assembly mounted on and extending into the heat exchange cylinder, and a lower baffle assembly mounted on and extending into the heat exchange cylinder. The upper and lower baffle assemblies are arranged opposite to each other. The upper and lower baffle assemblies, the support and guiding mechanism, and the heat exchange cylinder are slidably fitted together. This invention solves the problems of equipment redundancy, high cost, and poor flexibility caused by the "one-to-one fixed matching" design of hydrogen storage single tubes and heat exchange baffle plates in the prior art, greatly improving working efficiency and accuracy.

This utility model relates to the field of wire feeding technology for welding equipment. The chain-type wire feeding hose includes several sections connected in sequence. Each section has a through hole and at least one roller on its outer circumference. One end of each section has a protrusion, and the other end has a groove. The protrusion of one section mates with the groove of an adjacent section and is hinged by a pin. By optimizing the roller layout on the sections, the length of a single section can be made extremely short, resulting in a highly flexible hose that can be bent to a very small radius of curvature. The sections connected end-to-end are linked by pins, providing both sufficient connection strength and a large degree of rotational freedom, allowing it to be used as a single unit without an outer sleeve. The open structure without an outer sleeve allows impurities or dust from the welding wire surface to fall out automatically and not accumulate inside, facilitating cleaning and maintenance. The open structure also allows for automated product assembly.

This invention relates to the field of stainless steel pipe heat treatment technology, and discloses a steel pipe heat treatment furnace, including a mounting frame, an internal insertion lifting mechanism, a three-point correction clamping mechanism, a flipping and upright conveying mechanism, and a self-detaching mechanism. This steel pipe heat treatment furnace uses an internal insertion lifting mechanism instead of external clamping, which avoids pipe compression damage and micro-deformation. Combined with a limiting rod, it achieves axial limiting at the ends, preventing slippage and deviation during pipe transfer and flipping. The three-point internal support correction structure of the first support rod automatically corrects the pipe's eccentricity and tilt, ensuring precise coaxiality of the steel pipe. The equipment can automatically complete the upright conversion of the pipe, achieving independent vertical heating of a single pipe, solving the uneven heating defects of traditional stacked heating, ensuring uniform and stable metallographic structure of the pipe, effectively improving corrosion resistance and mechanical property consistency. The entire machine achieves fully automated linkage of the entire process, smooth and unobstructed material feeding, reducing production scrap rate, and is suitable for the precision heat treatment production of high-end stainless steel pipes.