25results about How to "Uniform flow rate" patented technology

The utility model relates to an ultrasonic gas meter flow regulator. The flow regulator is characterized in that the flow regulator is mounted at a flow channel air inlet of the flow channel and sequentially comprises a scattering layer, a developing layer and a rectifying layer which are integrally formed through injection molding or are assembled and connected in a split manner. The utility model aims to change the original gas flow field distribution, stabilize the flow field characteristics of the metering module and improve the metering precision of the ultrasonic gas meter, and has the characteristics of strong adaptability, convenience in installation and positioning, good flow field stability, high precision and the like.

This utility model discloses a corrugated pipe with a noise reduction structure, relating to the field of corrugated pipe technology. It includes a corrugated pipe and a flow guide. The flow guide is disposed inside one end of the corrugated pipe. The outer wall of the flow guide gradually widens from one end to its opposite end, with the narrow end facing the end of the corrugated pipe without the flow guide. The flow guide is coaxially arranged with the corrugated pipe, and a gap is left between them for airflow. This utility model, by providing a flow guide inside the output end of the corrugated pipe, allows turbulent airflow within the corrugated pipe to impact the flow guide when it reaches the output end. This compresses the airflow, making its velocity uniform, and the airflow then exits through the gap between the flow guide and the inner wall of the corrugated pipe, reducing resonance noise. Furthermore, the gradual widening of the outer wall of the flow guide from one end to its opposite end provides flexible guidance, further improving the uniformity of airflow and thus reducing resonance noise.

The invention relates to a dryer (1) for a textile web (5), comprising at least two vertically arranged drying chambers (2T1, 2T2), each drying chamber (2T1, 2T2) having a drum (T1, T2) with airflow channels (17T1, 17T2) arranged on both sides, and each drying chamber (2T1, 2T2) having a separate additional chamber (11T1, 11T2), the additional chamber (11T1, 11T2) has channels (13T1, 13T2, 15T1, 15T2) for supplying fresh air (12T1, 12T2) and for discharging exhaust gases (14T1, 14T2), and wherein the additional chamber (11T1, 11T2) is arranged between an end face of the associated drying chamber (2T1, 2T2) and the separate heating and fan chamber (24). The invention is characterized in that channels (13T1, 15T1) for supplying fresh air (12T1) and exhaust gases (14T1) exiting the lower drying chamber (2T1) are adjacent to the upper drying chamber (2T1) and the upper additional chamber (11T2). The invention also relates to a method for drying a textile web.

The utility model discloses a sugar cooling vertical crystallizer which comprises a vertical tank body, a top cover is arranged at the top of the tank body, a syrup inlet is formed in the top cover, a conical hopper is arranged at the bottom of the tank body, a syrup outlet is formed in the conical hopper, a plurality of heat exchange coil pipes are arranged in an inner cavity of the tank body in the height direction, each heat exchange coil pipe adopts a circular pipe distribution mode, and six concave arcs are evenly distributed on the periphery of each heat exchange coil pipe. A vertical column extending in the vertical direction is arranged in each concave arc, each heat exchange coil pipe is supported on a radial support, and the outer end of each radial support is fixedly connected to the corresponding vertical column. A lifting mechanism for driving the stand columns and the heat exchange coil to ascend and descend is arranged above the top cover. An upper stirring mechanism for uniformly distributing syrup on the cross section of the tank body is arranged above the top-layer heat exchange coil pipe, and a lower stirring mechanism is arranged in the conical hopper. The sugar cooling vertical crystallizer is high in crystallization efficiency, short in crystallization time, high in single productivity and low in operation failure rate.

The utility model discloses a wine steamer condensing system based on an air-cooled condenser, which comprises the air-cooled condenser and a wine steamer, a high-temperature steam pipe is arranged at the top of the wine steamer, and an air outlet of the high-temperature steam pipe is connected with a steam inlet of the air-cooled condenser. And a liquid discharge pipe of the constant-temperature exchanger arranged at the lower part of the air-cooled condenser is connected with a dimple arranged between the air-cooled condenser and the wine steamer. The problem that in the existing wine brewing process, after wine steam from a wine retort is condensed through an air-cooled condenser, the temperature of condensed liquid is high, and follow-up direct storage is not facilitated is solved.

The utility model provides a multifunctional sand mixer casting mold, which relates to the technical field of casting molds, and comprises a frame, the inner side of the frame is slidably connected with a plurality of mold plates, the outer sides of the mold plates are fixedly connected with a plurality of sliding push rods, the outer sides of the plurality of sliding push rods are fixedly connected with a push plate, and the push plate is fixedly connected with the outer sides of the plurality of sliding push rods. And a rotating hole is formed in the inner side of the pushing plate, a rotating wheel is rotationally connected to the inner side of the rotating hole, a rotating ring is fixedly connected to the outer side of the rotating wheel, a threaded rod is fixedly connected to the inner side of the rotating wheel, a plurality of fixing frames are fixedly connected to the outer side of the frame, and a flow dividing mechanism is arranged at the tops of the multiple templates. According to the utility model, the push plate enables the sliding push rod to move inwards along the push rod hole, the templates move inwards along with the push rod hole, and the size of the die can be changed by changing the distance between the four templates, so that the production of models with different sizes is realized, the utilization rate of the die is improved, the waste is reduced, and the production efficiency is improved.

The invention discloses a temperature-controllable heat exchange device and a temperature control method thereof.The device comprises a temperature control terminal, the temperature control terminal comprises a first side wall and a second side wall, and a plurality of third side walls arranged in a multi-ring shape are further arranged between the first side wall and the second side wall, so that a plurality of annular temperature adjusting water channels are formed in the temperature control terminal; the third side wall is further provided with a plurality of speed reducing plates extending into the temperature adjusting water channel. A plurality of water channel intercommunicating ports are formed in the third side wall between the adjacent temperature adjusting water channels; the temperature control terminal is provided with a water inlet chamber and a water outlet chamber, the water outlet chamber is in negative-pressure communication with the temperature-adjusting water tank, and the temperature-adjusting water tank is in pressurization communication with the water inlet chamber. The temperature control terminal of the device is internally provided with a plurality of temperature adjusting water channels, the temperature adjusting water channels are communicated with one another, the buffer plates can adjust the flow speed of water in the water channels, so that water flow in the temperature control terminal is uniform, the temperature precision of a temperature control object can be controlled to be about 0.1 DEG C by controlling the temperature and the flow speed of the water, and the device is low in energy consumption, high in speed, low in cost and flexible to use.

The extrusion die for the aluminum profile of the lifting structure of the display comprises an upper die and a lower die, the mold core is arranged at the bottom of a connecting column in the middle of the bottom surface of the upper mold; a plurality of peripheral shunting holes which are circumferentially spaced and vertically penetrate through the upper mold are formed in the periphery of the connecting column; a middle flow dividing hole located above the connecting column is further formed in the middle of the top face of the upper die in a concave mode. The mold core is sleeved in the cavity; forming holes are formed in the outer peripheral wall of the mold core in an inward concave mode, and the forming holes comprise large screw arm forming holes and small rib forming holes; the screw arm forming holes and the rib forming holes penetrate through the bottom face of the mold core downwards, and the screw arm forming holes are further communicated with the middle flow dividing holes upwards. Therefore, the screw arm forming hole upwards communicates with the middle flow dividing hole, sufficient metal materials can be provided for the screw arm forming hole in the extrusion forming process, the situation that feeding is insufficient due to the fact that feeding is conducted only through the peripheral flow dividing holes is avoided, it is ensured that the structure of a screw arm formed after a product is formed is stable, and fracture deformation of the screw hole can be prevented.

The utility model provides a graphite transition piece. Through the air inlet transition piece links quartz square tube, and sets up the air flow uniformity gradient for the secondary shunt of the gas source after quartz square tube shunt and makes the flow velocity of the gas source into the growth chamber even, and through the air outlet transition piece links the growth chamber.

The utility model discloses a material feeding and distributing device of a belt type dehydrator, which is arranged on the outer surface of one end of a rack and comprises a material feeding pipe, a material distributing pipe and a material distributing pipe, the mixer is arranged in the feeding pipe; the material distributing mechanism is arranged on the outer side of the material outlet and comprises a material distributing hopper with a bottom surface and two opposite side surfaces and at least two overflow weir walls arranged on the bottom surface of the material distributing hopper at intervals in the sludge flowing direction, and the width of the material distributing hopper is gradually increased in the sludge flowing direction; the length direction of any overflow weir wall is perpendicular to any side face, and the height of the overflow weir wall is gradually reduced from the middle to the two sides in the length direction of the overflow weir wall. A plurality of overflow weir walls are arranged on the bottom surface of the distribution hopper, so that the flow speed of sludge and uniform distribution can be ensured, and the sludge is fully distributed in the whole distribution hopper; furthermore, a material distribution adjusting weir gate, a counterweight rod and a counterweight block are additionally arranged, so that the sludge falling onto the filter cloth can be further ensured to be uniformly distributed. The structure is simple and practicability is high.

This invention discloses an engine intake mechanism, an engine system, and a vehicle, belonging to the field of engine technology. The engine intake mechanism of this invention makes the inner wall of the airflow guide passage smoother; in other words, there are no geometric abrupt changes in the inner wall of the airflow guide passage. This reduces flow losses in the airflow guide passage, resulting in smaller variations in airflow velocity. Consequently, the airflow pressure and velocity at the turbocharger inlet are more uniform, improving aerodynamic efficiency and thus increasing boost efficiency. The engine system and vehicle of this invention, by applying the aforementioned engine intake mechanism, can improve the engine system's power performance and fuel economy, and enhance the driving experience.

The present disclosure provides improved wet processing systems and methods for processing semiconductor wafers. More particularly, the present disclosure provides various embodiments of improved wet processing systems, liquid dispensing nozzles, and methods for dispensing a liquid to flow laterally across a surface of a semiconductor wafer at a uniform flow rate. The disclosed embodiments utilize a wafer support mechanism for supporting a semiconductor wafer and at least one elongated nozzle for dispensing a liquid onto the wafer support mechanism such that the liquid flows laterally across the surface of the semiconductor wafer in a lateral direction and at a uniform flow rate in a direction perpendicular to the lateral direction.

The invention discloses an insulation sheet production process. The insulation sheet production process comprises the following steps: S1, raw material selection; s2, raw material pretreatment; s3, co-extrusion outflow and tape casting are carried out; s4, online monitoring and post-processing are carried out; in the step S1, the insulating sheet comprises a functional surface layer A, an insulating layer and a functional surface layer B which are stacked in sequence, and the functional surface layer A is prepared from polymer particles A and filler A; the functional surface layer B adopts low-melting-point polyolefin to realize a hot melting bonding function; the insulating layer is made of polymer particles C and filler C; the raw materials also comprise key auxiliary agents such as an antioxidant and an ultraviolet light absorber. According to the production process of the insulating sheet, through the three-layer design of the functional surface layer A, the insulating layer and the functional surface layer B, the single insulating sheet simultaneously has multiple functions of surface protection, core insulation, hot melting bonding and the like.

The utility model discloses an III-type iodine adsorber, which comprises a shell and an adsorption module, the shell is provided with a ventilation chamber, the adsorption module is positioned in the ventilation chamber, the ventilation chamber is divided into an air inlet chamber and an air outlet chamber by the adsorption module, the adsorption module comprises a plurality of adsorption beds which are sequentially connected end to end, and among three adjacent adsorption beds, the air inlet chamber is communicated with the air inlet chamber. Wherein an air inlet groove with an opening facing the air inlet chamber is formed between every two adjacent adsorption beds, an air outlet groove with an opening facing the air outlet chamber is formed between the other two adjacent adsorption beds, and the circulation sectional area of the air inlet grooves is gradually reduced from the air inlet chamber to the air outlet chamber. The circulation cross section area of the air outlet groove is gradually increased from the air inlet chamber to the air outlet chamber, so that the air flow distribution is optimized, the adsorption efficiency is improved, and the replacement period of the adsorbent is prolonged. The nuclear air purifier is suitable for the technical field of nuclear air purification.

The present application relates to the technical field of washing machine, and specifically discloses a high-efficiency multi-layer washing integrated machine, which comprises a multi-layer pool body and a base, the multi-layer pool body is arranged on the base, a ladder and a walkway are arranged on the outer ring of the multi-layer pool body, a bridge is arranged at the top of the pool body, two driving motors are arranged in the middle of the bridge, a central shaft is connected with the gears of the two driving motors, the central shaft penetrates the center of the multi-layer pool body, a flow stabilizing box is movably connected to the top of the central shaft and arranged below the bridge, a discharge port is symmetrically arranged at the bottom of the flow stabilizing box, a stirring mechanism is fixedly connected to the bottom of the central shaft, rake frames are fixedly connected to the central shaft and arranged in the multi-layer pool body, and a plurality of scraping rake mechanisms are uniformly arranged at the bottom end of each rake frame. The unit area of the washing pool is improved, the processing capacity of the washing pool is improved, the overflow mixed water is reduced, the stress state of the rake frame can be adjusted, and the system stability can be maintained.

This invention provides a heat exchanger unit and a sintered silver powder heat exchanger incorporating the unit, specifically relating to the field of cryogenic refrigeration equipment technology. The unit has a C-shaped annular sealed structure and is divided into an independent first heat exchange surface and a second heat exchange surface. A first double-sided series flow channel is provided within the first heat exchange surface; a second double-sided series flow channel is provided within the second heat exchange surface; the fluid flow directions in the first and second double-sided series flow channels are opposite. This invention matches the outer contour design of the cold plate, does not occupy radial space in the equipment, and effectively increases the single-stage heat exchange area, extends the fluid flow path, and balances fluid distribution by optimizing the flow channel structure and fluid flow direction, thus comprehensively improving heat exchange efficiency. Simultaneously, it avoids component assembly interference problems and can achieve improved heat exchange capacity through simple stacking, adapting to the expansion requirements of high-efficiency heat exchange and large-capacity dilution refrigeration units.

The adjustable blowing surface air pipe and adjusting method comprise a pipe body, a slider shunting module, a target setting valve and a pressurized atomization module; the slider shunting module and the pressurized atomization module are arranged on the pipe body and communicate with the inside of the pipe body; the slider shunting module and the pressurized atomization module are connected on the outside of the pipe body, and the target setting valve is arranged on the pressurized atomization module.

The utility model discloses a flow guide device and dish-washing machine relates to dish-washing machine technical field. It includes flow guide board and baffle, and flow guide board installs in the water inlet of the backwater pump of dish-washing machine, with the flat filter of dish-washing machine, to even washing water flow's flow rate through flat filter. Baffle is connected with flow guide board, and baffle sets up between the microfilter and water inlet of dish-washing machine, to reduce washing water flow's flow rate through microfilter close to the area of water inlet. The setting of flow guide board can reduce the water flow after passing through flat filter filter, and the residual amount of food residue in the filter screen aperture of flat filter. So that more water quantity washing water flow flows into the inside of filter from the top of flat filter. Through baffle can avoid the area that microfilter is close to the water inlet of backwater pump forms the high-speed flow area of negative pressure, causes food residue to easily follow the situation of high flow washing water flow and washes and embeds the filter screen aperture of microfilter.

An adjustable circulating fluidized bed boiler for incinerating pyrolysis residues is disclosed. This invention addresses the problems of unstable bed temperature and pressure, and equipment shutdown due to excessive parameters, that commonly occur in existing circulating fluidized beds when incinerating different pyrolysis waste residues. The invention comprises a fluidized bed boiler body (6), a sub-bed air chamber (2), multiple dispersion pipes (5), and multiple high-temperature resistant gate valves (32). The sub-bed air chamber (2) is installed at the lower part of the fluidized bed boiler body (6). The upper parts of the multiple dispersion pipes (5) are connected to the fluidized bed boiler body (6) in a ring array, and the lower parts of the multiple dispersion pipes (5) are connected to the sub-bed air chamber (2). Each dispersion pipe (5) is equipped with a high-temperature resistant gate valve (32). The opening degree of the high-temperature resistant gate valve (32) is remotely adjusted through a control program to achieve bed pressure regulation of the fluidized bed without changing the combustion load and fluidizing air volume. This invention is used for the incineration of pyrolysis residues.

This invention provides a filtration device, comprising: a receiving cavity for containing particulate filter media, the receiving cavity including a first sub-receiving cavity, a second sub-receiving cavity, and a third sub-receiving cavity connected sequentially along the flow direction of the liquid to be filtered; the bottom of the first sub-receiving cavity is connected to the top of the second sub-receiving cavity, and the bottom of the second sub-receiving cavity is connected to the top of the third sub-receiving cavity; along the flow direction of the liquid to be filtered, the cross-sectional area of ​​the first sub-receiving cavity gradually decreases, the cross-sectional area of ​​the second sub-receiving cavity remains constant, and the cross-sectional area of ​​the third sub-receiving cavity gradually increases; the top of the first sub-receiving cavity is provided with a liquid inlet; an arched filter screen, including: a first screen body arched towards the liquid inlet; and a support portion, one end of which is connected to the outer periphery of the first screen body and is sealed to the inner wall of the second sub-receiving cavity. Using the above solution, the service life of the particulate filter media can be extended and the backwashing effect can be improved.

This invention discloses an integrated chemical dosing and pressurization device, comprising a cabinet and casters. The casters are installed at the bottom of the cabinet to facilitate its movement. The device also includes: multiple partitions fixedly installed within the cabinet, which divide the cabinet into an equipment cavity, a toolbox, and an electrical control cabinet. The toolbox stores tools and accessories, and the electrical control cabinet houses electrical control equipment for controlling the pressurization mechanism. The pressurization mechanism, installed within the equipment cavity of the cabinet, is used for precise chemical dosing, line clearing and unblocking, and tubing pressurization. A winding drum, located within the equipment cavity and adjacent to the pressurization mechanism, has an outlet coil wound onto it. The outlet coil can be connected to the water outlet of the pressurization mechanism for tubing pressurization or chemical dosing. This device can automatically and precisely dosing chemicals under different well conditions and can perform localized line clearing and unblocking, as well as tubing pressurization in pumping wells to diagnose downhole faults.

The application discloses a wine storage device and a use method thereof, and belongs to the technical field of wine taking equipment. In the device, a first connecting piece of a wine barrel mouth part is surrounded by the outer periphery of a first connecting assembly, and a support is located at the end of the first connecting piece away from the wine barrel; in the first connecting assembly, a connecting piece one is arranged on the outside of the mouth part of the wine barrel, a connecting piece two is arranged on the inside of the mouth part of the wine barrel, a connecting piece three is clamped in the connecting piece two, an elastic assembly is arranged in the connecting piece three, and a connecting piece four is sleeved between the elastic assembly and the connecting piece three; a wine outlet head in a wine taking device is located between a faucet seat and an air outlet pipe, the faucet seat is clamped with the connecting piece one, the air outlet pipe is inserted into the elastic assembly, and the wine outlet head is inserted into the end of the connecting piece four away from the elastic assembly and is in sealed connection with the connecting piece two. In the wine taking process, the wine barrel is first exhausted and depressurized, the inside of the wine barrel is balanced with the outside, and the wine is taken at a balanced flow rate, so that the quality of the wine liquid is ensured.

The invention relates to the technical field of wafer suction cups, in particular to a suction cup type transfer mechanism for wafers, which comprises a mechanical arm, a support ring, a suction cup assembly, a gas circuit structure and a driving unit, and is characterized in that the support ring is arranged at the output end of the mechanical arm; the suction cup assembly comprises a supporting block and a suction cup body, the supporting block is arranged on the supporting ring, the suction cup body is rotationally arranged in the supporting block, the suction cup body is a conical body, a conical gap channel is formed between the suction cup body and the supporting block, a guide piece is arranged on the conical surface of the suction cup body, and the guide piece is located in the gap channel and spirally arranged around the central axis of the suction cup body; the air channel structure comprises a first air channel and a second air channel which are externally connected with an air source, the first air channel and the second air channel are both formed in the supporting block, the first air channel communicates with the gap channel, and the second air channel leads to the bottom face of the suction cup body; the driving unit is arranged on the supporting ring and used for driving the suction cup body to rotate. The suction cup assembly provided by the invention not only has relatively high adsorption efficiency, but also can be more stable when the wafer is sucked.

The utility model relates to the technical field of computer parts, in particular to an optimized water channel structure of a water cooling head, which comprises a contact seat in contact with a central processing unit (CPU) and a water pump with a liquid inlet and a liquid outlet, the contact seat is assembled at the bottom of the water pump, the water pump comprises a flow guide layer with a flow guide groove, and the flow guide groove is formed in the flow guide layer. The contact seat is provided with a liquid inlet and a liquid outlet, the flow guide groove is communicated with the contact seat, the flow guide groove is provided with a flow guide inlet and a flow guide outlet, the flow guide inlet is communicated with the liquid inlet, the flow guide outlet is communicated with the liquid outlet, and the inner top wall of the flow guide groove is obliquely arranged. Water inlet pressure and flow velocity of the micro-water channel can be balanced, water inlet pressure difference of the micro-water channel is reduced, the flow channel is smoother, internal vortex is reduced, internal pressure is balanced, liquid flows more sufficiently, the problem of local heat accumulation is solved, and the cooling performance of the water pump is brought into full play.

The present application belongs to the technical field of biomass physical property testing, and discloses a symmetrically distributed pipeline for testing flow characteristics of biomass porous medium. The test platform comprises a gas pump, a horizontal pipeline, a vertical pipeline and a cylinder connected in sequence. The gas pump is connected with the cylinder through the horizontal pipeline and the vertical pipeline. The flow characteristics of the biomass porous medium to be tested are obtained by measuring the air pressure at the upper end and the lower end of the biomass porous medium to be tested, and by introducing flow gas into the biomass porous medium to be tested. The horizontal pipeline comprises a front half and a rear half. The front half comprises a plurality of parallel branch pipelines. The pipeline of the rear half comprises two symmetrically distributed branch pipelines. Each branch pipeline gradually increases from front to rear and then converges into one pipeline. The vertical pipeline gradually increases in diameter from bottom to top and is provided with a plurality of stages of rectifier orifice plates. The present application can realize wide flow range testing, reduce measurement parameter fluctuation and make air flow distribution more uniform.