26results about How to "Smooth inflow" patented technology

The invention discloses a phase change fiber membrane with a composite core-sheath structure and a preparation method and application thereof.The method comprises the steps that polyacrylonitrile is dissolved in N 'N-dimethylformamide and stirred to be completely dissolved, then hydroxylated boron nitride is added, the hydroxylated boron nitride is evenly dispersed through ultrasonic treatment, and a sheath spinning precursor solution is prepared; dissolving polyethylene glycol in N 'N-dimethylformamide, stirring to melt the polyethylene glycol, and taking the polyethylene glycol as a core layer spinning precursor solution; preparing a phase change fiber membrane with a core-sheath structure from the sheath spinning precursor solution and the core spinning precursor solution through a coaxial electrostatic spinning process; and placing the phase change fiber membrane with the core-sheath structure in an ethanol dispersion liquid of hydroxylated boron nitride, carrying out ultrasonic dip-coating, and then carrying out cold pressing treatment to prepare the phase change fiber membrane with the composite core-sheath structure. The obtained composite core-sheath structure phase change fiber membrane has good latent heat property, thermal conductivity and flexibility, and meanwhile, leakage of the phase change material is prevented through the core-sheath structure.

This utility model relates to the field of wall component technology, specifically a connection structure between a suspended colored steel plate rainwater hopper and a wall. The structure includes a wall body, with multiple sets of wall purlins on the outer surface of the wall body. Rainwater hopper connectors for support are mounted on the outer periphery of the wall purlins via self-tapping screws. A specially designed colored steel plate rainwater hopper for drainage is mounted on the end of the rainwater hopper connector away from the wall body via a self-tapping screw. In the use of this connection structure, rainwater from the roof is guided by a rainwater bend and discharged through the specially designed colored steel plate rainwater hopper. The outlet of the rainwater bend is located inside the specially designed colored steel plate rainwater hopper, allowing rainwater to naturally flow into the hopper for discharge, effectively avoiding the "teapot effect" and solving the problem of incompatibility between the rainwater hopper / pipe and the exterior wall.

The utility model discloses a buried gas guide gabion structure for ecological closure of a refuse landfill, and relates to the technical field of refuse landfill. The air guide device comprises an air guide solid pipe, an air guide floral pipe is fixedly arranged on the outer surface of the air guide solid pipe, a plurality of air guide holes are formed in the outer surface of the air guide floral pipe, a gravel flow guide layer is arranged on the outer surface of the air guide floral pipe, and a flow guide iron gauze is arranged on the outer surface of the gravel flow guide layer. A plurality of flow guide fixing frames are fixedly arranged on the outer surface of the flow guide iron gauze, and a landfill layer is arranged on the outer surface of the flow guide iron gauze. Gas can stably flow into the gas guide floral tube through the gas guide holes under the action of the gravel gas guide layer and the flow guide iron gauze; according to the gas guide gabion, the gas guide gabion has the efficient gas exhaust capacity, and the gas guide gabion can prevent gas from polluting ground soil through the gas guide solid pipe under the action of the gravel exhaust layer and the exhaust wire mesh.

The invention relates to a high-stability combined type hydraulic supporting device which comprises a base, a top beam and a bottom hydraulic column arranged between the base and the top beam, an upper inlet and a lower inlet are formed in the side wall of the bottom hydraulic column, the lower inlet is connected with a pressure relief assembly, the upper inlet is connected with a control valve, and the pressure relief assembly is connected with the control valve. The pressure relief assembly comprises a shell and a blocking plug, an inner cavity is formed in the shell, the blocking plug is matched in the inner cavity, a main inlet is formed in one end of the shell, a main outlet is formed in the other end of the shell, a pressure relief opening is formed in the side wall of the shell, and an elastic piece is arranged in the inner cavity and used for pushing the blocking plug to separate the main outlet from the pressure relief opening. And when the bottom hydraulic column relieves pressure, the blocking plug extrudes the elastic piece under the pressure of hydraulic oil, so that the main outlet communicates with the pressure relief opening after the blocking plug moves, and a liquid flow channel is formed in the center of the blocking plug. The bottom hydraulic column has the advantages that the stability of the bottom hydraulic column in the using process is improved, and damage caused when the bottom hydraulic column is impacted is reduced.

The utility model provides a box type treatment device for domestic sewage, which is characterized by comprising a treatment structure, a filtering structure and a purification structure, the filtering structure is arranged above the treatment structure, the treatment structure is connected with the filtering structure in a welding manner, the purification structure is arranged on one side of the treatment structure, and the purification structure is arranged on the other side of the treatment structure. The filter structure is improved, impurities attached to the surface of a filter screen can be cleaned in time through a telescopic rod and a scraper blade, the efficient filtering performance of the filter screen is maintained, the filter chamber is turned over through rotation of a first rotating shaft, a turning cover is turned over in combination with rotation of a second rotating shaft, and the filter screen can be conveniently cleaned. The liquid inlet end extends into the filtering chamber, stable inflow of the sewage is ensured, the clamping buckle ensures the sealing performance when the overturning cover is closed, sewage leakage is prevented, and the filtering efficiency and practicability of the device are integrally improved.

The utility model discloses a filtering device for water treatment of a central air conditioner, which comprises a tank body, a non-woven fabric filtering layer is arranged in the tank body, a synthetic fiber filtering layer is arranged at the bottom end of the non-woven fabric filtering layer, an activated carbon composite filtering layer is arranged at the bottom end of the synthetic fiber filtering layer, and a water inlet pipe is arranged at the bottom end of the activated carbon composite filtering layer. A silver ion coating metal screen is arranged at the bottom end of the activated carbon composite filter layer. The non-woven fabric filter layer, the synthetic fiber filter layer, the activated carbon composite filter layer and the silver ion coating metal screen are arranged, and the multi-stage filter layers are arranged, so that impurities, peculiar smell, harmful substances, bacteria and viruses in water can be effectively removed, the water quality is improved, the filter pressure can be dispersed through the design of the multi-stage filter layers, and the service life of the filter is prolonged. The service life of the filter layer is prolonged, the silver ion coating metal screen can kill bacteria and viruses in water, the water quality safety is guaranteed, the silver ion coating metal screen can serve as a fixed support for supporting the filter layer, and meanwhile medium loss of the filter layer is avoided.

The utility model discloses a fuel gas inlet structure, a throttle valve and a multi-fuel engine, the fuel gas inlet structure is arranged on the throttle valve, the throttle valve comprises a throttle valve main body, the throttle valve main body is provided with a through air inlet channel, and the fuel gas inlet structure comprises a fuel gas inlet channel arranged in the throttle valve main body; a gas inlet end opening of the gas inlet channel is used for being connected with a gas conveying pipeline, a gas outlet end opening of the gas inlet channel communicates with the air inlet channel, a gas outlet guide pipe is arranged at the gas outlet end opening of the gas inlet channel, and the gas outlet guide pipe is obliquely arranged in the gas outlet direction of the air inlet channel. At least one part of the air outlet guide pipe extends into the air inlet channel, the end face of the air outlet end of the air outlet guide pipe is a smooth face, and the side, facing the air inflow side in the air inlet channel, of the end face of the air outlet end of the air outlet guide pipe is higher than the side, back to the air inflow side in the air inlet channel, of the end face of the air outlet end of the air outlet guide pipe. The gas outlet speed and the gas outlet stability of fuel gas can be effectively improved.

The utility model provides a novel injection molding machine feeding structure which comprises a hopper installed at the upper end of a top plate of an injection molding machine, and the top plate is provided with a first discharging hole and a second discharging hole; the first discharging hole is communicated with a charging barrel of the injection molding machine, the second discharging hole is communicated with an external collecting frame, and the hopper is mounted on the sliding plate; the top plate is provided with two chutes which are symmetrically arranged at an interval; limiting columns are arranged at the two ends of the sliding groove. According to the position configuration of the limiting column, when the hopper communicates with the first discharging hole or the second discharging hole, the sliding plate abuts against the limiting column; rollers are mounted at the lower ends of the sliding plates and clamped in the sliding grooves. The sliding plate is further in threaded connection with a puller bolt. And the threaded end of the puller bolt faces downwards. Due to the arrangement of the limiting column, when the sliding plate moves, the hopper can accurately communicate with the first discharging hole or the second discharging hole; and the puller bolt is arranged for improving the position stability of the sliding plate, and the position of the hopper is not prone to change during discharging.

The utility model discloses a kind of plate type phase change energy storage heat exchanger devices, including fixed compression plate, movable clamping fixed plate, cold fluid inlet pipeline, cold fluid outlet pipeline, hot fluid inlet pipeline, hot fluid outlet pipeline, sheet and connecting piece;The fixed compression plate and movable clamping fixed plate are spaced apart;The device further includes central processing unit, pressure sensor, flow regulating valve and power module;The surface of the sheet is provided with small pit, and the edge of sheet is sawtooth shape;The central processing unit and power module are set on the board face of fixed compression plate;Pressure sensor is provided with two, respectively set in the pipe orifice of cold fluid inlet pipeline and hot fluid inlet pipeline;The flow regulating valve is provided with two, respectively set on the pipeline of cold fluid inlet pipeline and hot fluid inlet pipeline;Two pressure sensors and two flow regulating valves are electrically connected with central processing unit.The utility model solves the problem of low heat exchange efficiency of traditional plate type phase change energy storage heat exchanger device.

The utility model discloses a kind of energy-dissipation basin structures with buffering energy-dissipation function, including vertical pool body, vertical pool body top is connected with inlet conduit, vertical pool body side portion is equipped with with its intercommunication drain conduit, the height where drain conduit is located is greater than the height of vertical pool body inner chamber bottom;The inner chamber upper portion of vertical pool body is installed with the buffering ring and buffer block of group setting, buffer block is located in the inside of buffering ring, buffering ring is fixedly installed on the inner wall of vertical pool body, buffer block is installed on the support column of vertical structure, and water flow passage is formed between buffering ring and buffer block;The inner chamber bottom of vertical pool body is installed with multiple buffer plates being set in longitudinal direction and being stacked in layers.This energy-dissipation basin structure provided by the utility model gradually consumes water flow kinetic energy through the cooperation of multistage energy-dissipation structure, significantly improves energy-dissipation effect, converts high-speed water flow into stable flow, and avoids the damage of direct impact on structure.

The utility model discloses an air conditioner, air conditioner includes: casing, heat exchanger, fresh air duct piece, fan assembly, fan assembly is located in the fresh air duct piece, and fan assembly drives outdoor fresh air to enter the fresh air duct piece from fresh air import, and flows into the indoor through fresh air export, fan assembly includes axial flow fan and centrifugal fan, and axial flow fan is adjacent air duct import, and centrifugal fan is located axial flow fan's far side from air duct import, be equipped with the flow guide grating in the fresh air duct piece, and the flow guide grating is located between centrifugal fan and axial flow fan, and the flow guide grating guides outdoor fresh air from axial flow fan to centrifugal fan and adjusts the flow direction of outdoor fresh air. The flow guide grating of the utility model can guide the air outlet of axial flow fan, to make the airflow of passing through the flow guide grating by the direction of rotation guide flow for axial, to recover the rotational dynamic pressure of airflow, improve static pressure, be favorable to improve the air intake efficiency of centrifugal fan, and can improve the air guide volume of fan assembly, and the air guide effect is better.

The utility model discloses a steam frying and baking machine which comprises a lower baking tray assembly, the lower baking tray assembly comprises a lower baking tray and a heating pipe used for heating the lower baking tray, and the lower baking tray comprises a bottom wall, a first side wall surrounding the bottom wall and a second side wall surrounding the outer side of the first side wall. An annular water storage part is defined between the first side wall and the second side wall, a cooking area is formed in the position, located on the inner side of the water storage part, of the bottom wall, and the second side wall partially protrudes outwards to form a water injection nozzle which inclines towards the water storage part and is communicated with the water storage part; and the inner side of the water injection nozzle is sunken to form a water guide surface for guiding water to the water storage part. The water storage part is formed in the lower baking tray, the situation that the radial size of the lower baking tray is increased due to the fact that the water storage part is arranged in a protruding mode can be avoided, meanwhile, the obliquely-arranged water injection nozzle is adopted for buffering water flow, the water guide face is adopted for drainage, the probability that water splashes into a cooking area in the water injection process can be reduced, and therefore use reliability and safety are improved.

The utility model provides a porous submersed nozzle and relates to the technical field of metallurgical manufacturing. A contact assembly is installed at the position of the discharge port frame in a sliding mode, a sealing assembly is directly installed at the installation position of the contact assembly and the discharge port frame, the sealing assembly can enable a barrel assembly of the contact assembly to be in butt joint with a discharge buckle better, and a protection assembly is additionally installed at the outer end of the barrel assembly, so that when the whole barrel assembly is disassembled and assembled, the barrel assembly is not prone to falling off. The protection assembly can protect the cylinder assembly, the liquid discharging assembly at the bottom of the cylinder assembly is of an inclined structure, a solution can flow out better, and the guiding assembly, close to the liquid discharging assembly, in the cylinder assembly has the effect of easily guiding and discharging the solution more quickly. The problems that multi-hole liquid drainage of an existing submersed nozzle is still slow, the connecting and sealing effect of the top of the submersed nozzle is poor, and the outer wall is damaged randomly during disassembly and assembly are solved.

The utility model relates to disinfectant solution technical field, specifically disclose laboratory disinfectant quantitative solution device, including support chassis, its upper end fixedly connected with upper fixed plate, the lower part of upper fixed plate is provided with the location card frame, the surface of location card frame places the collection jar body, the lower surface fixedly connected with drive motor of upper fixed plate, the output fixedly connected with transmission disc of drive motor, the surface of transmission disc is installed and is penetrated to disinfecting stock solution jar. This laboratory disinfectant quantitative solution device, the disinfecting stock solution jar in the device is arranged in the circumference array, and different jar bodies can store multiple types disinfecting stock solution respectively, when replacing solution raw material, do not need to dismount and clean jar body, only through drive motor drives transmission disc rotation, can the target stock solution jar be transferred to the solution position, solve the problem that traditional single stock solution barrel is replaced complicatedly, greatly shorten the liquid exchange time, adapt to the diversification disinfection demand of laboratory.

The invention discloses a forming device suitable for nickel-based superalloy ring bodies with different chord lengths, and relates to the technical field of gas turbine part casting. The casting system solves the problem that an existing casting system cannot provide feeding for the solidification part of the nickel-based high-temperature alloy casting. The two cavities are located on the left side and the right side of the pouring system correspondingly, the pouring system communicates with the upper portions and the lower portions of the two cavities correspondingly, and pouring is achieved; the pouring system comprises a pouring cup, a sprue, a sprue base, an upper pouring gate and a lower pouring gate, the upper pouring gate and the lower pouring gate are arranged in parallel up and down and are respectively and dispersedly communicated with the upper parts and the lower parts of the two cavities, feeding is carried out in the cavities, the sprue is vertically arranged at the geometric center of the upper pouring gate and the lower pouring gate, and the sprue base is vertically arranged at the geometric center of the sprue base. The sprue is communicated with the contact part of the upper pouring gate and the lower pouring gate, and the sprue cup and the sprue base are respectively arranged at the upper end and the lower end of the sprue. The method is used for casting the upper retaining ring of the gas turbine.

The utility model relates to the technical field of mine sewage treatment, in particular to an ultrafiltration device of a mine sewage treatment station. According to the technical scheme, the ultra-filtration device of the mine sewage treatment station comprises a shell, a barrel body, an ultra-filtration element and a water distributor, a water outlet hole is formed in the outer side of the barrel body, the shell is arranged at the position, below the water outlet hole, of the outer side of the barrel body, a temporary storage cavity and a containing cavity are formed in the shell, the ultra-filtration element is placed in the containing cavity, and the water distributor is arranged on the barrel body. The bottom end of the shell is provided with a water outlet pipe, the bottom end of the barrel body is connected with a water inlet pipe, the water inlet pipe is rotatably provided with a water distributor through a rotary seal, the water distributor is located in the barrel body, the periphery of the water distributor is provided with water outlets, and the water outlets are formed in the tangential direction of the water distributor. The mine sewage treatment device has the characteristics of high efficiency, uniformity and convenience when being used for treating mine sewage, and provides a reliable water treatment solution for a mine environment.

The application discloses a medical special disease data federal isolation acceleration method and system based on a trusted execution environment and a hardware dynamic key, acquires original medical special disease data, calculates the optimal data block volume flowing into a security enclave based on the underlying resource state of the trusted execution environment, screens the medical special disease data blocks flowing into the security enclave and caches the medical special disease data blocks to a ring buffer, aggregates machine learning gradients of the medical special disease data blocks in the security enclave, preloads the next medical special disease data block, calculates a hardware-level root key and a sub-key of each medical special disease data block of the security enclave to construct a key tree, encrypts and encapsulates the gradient tensor obtained by aggregating the data blocks and transmits the gradient ciphertext to a target calling end, and physically erases the gradient ciphertext related key based on a hardware-level underlying zero clearing instruction set when the gradient ciphertext transmission exceeds the enclave boundary. The application has the effect of improving the medical special disease data processing efficiency.

The flow collecting and distributing device comprises a shell and a bottom cover installed and sealed at an end opening of the shell, a first through hole is formed in the shell, a cone corresponding to the first through hole is arranged on the bottom cover, the cone extends towards one side of the through hole, and a plurality of second through holes evenly distributed in the periphery of the cone are formed in the bottom cover. An inner cavity is formed by the shell and the bottom cover, an arc inner wall corresponding to the outer wall of the cone is arranged on the inner cavity, and a cavity is formed in the cone. When flow dividing is needed, the cone conducts flow dividing and guiding on refrigerants entering the shell from the first through holes, so that the refrigerants can be dispersed all around more evenly, and the refrigerants are divided into the second through holes and output outwards. When flow collection is needed, refrigerants are conveyed into the shell from the second through holes, so that the refrigerants can be collected in the shell and output outwards through the first through holes, and reliability and high efficiency of refrigerant flow collection are guaranteed.

The utility model belongs to photo -reaction technical field, and disclose a kind of microchannel photo -reactor, comprising: light microfluidic reaction device and electrically controlled luminous device, light microfluidic reaction device and electrically controlled luminous device are mutually connected to constitute a group of photochemical reaction module, the photochemical reaction module has multiple groups, and each group photochemical reaction module is connected and energized in parallel mode;The light microfluidic reaction device is internally provided with pressing plate, and the side of pressing plate is equipped with light-transmitting piece, the utility model uses, reactant is in compressed fluid form, accurately delivered to microchannel chip by liquid input assembly;Photochemical reaction occurs under the action of vertically irradiated LED light source. Multiple photochemical reaction modules adopt parallel connection mode, and are interconnected by water pipe, material guide pipe and electric wire, this design not only makes device structure compact, floor space is small, but also can handle more amount of reactant, it is convenient to quickly realize pilot scale-up.

The application discloses a kind of pressure-reducing rectification devices for damping oil, it is related to rectification device technical field, including rectification tower, two reaction kettles, lift pipe, shunt device;Shunt device includes flow collection plate, guide ring, two shunt tanks, recovery tank is equipped in guide ring, two guide holes are formed in the bottom of recovery tank, two shunt tanks are communicated with two guide holes respectively;The flow collection plate has multiple, the flow collection plate includes main body, upper flapper and lower flapper, the lower flapper bottom and the main body bottom form the recess of V type with opening upwards between;The upper flapper bottom and the main body bottom form the recess with opening downwards between;The cross-sectional length of the upper flapper is less than the cross-sectional length of lower flapper;Stable airflow is realized, reduce the influence of airflow to reflux liquid, make reflux liquid more concentrated technical effect simultaneously.

The utility model belongs to the field of micro-fluidic chips, and discloses a culture chip and an automatic culture system based on open chamber patterned array microfluid. The culture chip comprises an array channel layer, an open channel region, a culture solution storage chamber, a hole array layer and a patterned array, wherein the open channel region is formed by arranging a plurality of runners side by side; the culture solution storage chamber is connected with an outlet of the open channel region; the hole array layer and the patterned array are sequentially bonded below the open channel region; holes in the hole array layer and patterns of the patterned array are in one-to-one correspondence to form an isolation chamber array; the open chamber cover plate covers the array channel, a hollow opening is formed in the middle of the open chamber cover plate, and a sample inlet connected with the open channel area and a sample outlet connected with the culture solution storage chamber are formed in the two ends of the open chamber cover plate. According to the chip, the open channel region, the holes below the open channel region and the patterned array are designed to form the isolation chamber array, and the culture solution storage chamber is combined, so that frequent solution change and cell impact and loss caused by solution change are avoided.

The invention discloses a device for industrial efficient mass production of high-purity fine-grain high-temperature alloy, which comprises a flow guide mechanism and a forming mechanism, the flow guide mechanism comprises a chute, the forming mechanism comprises a mold vehicle, electromagnetic field generators are symmetrically arranged on the two sides of the mold vehicle, and the two electromagnetic field generators are matched to form a rotating magnetic field; a plurality of groups of mold pipes which are positioned between the two electromagnetic field generators, positioned below the chute and matched with the chute are arranged on the mold vehicle in the length direction of the mold vehicle; and an ultrasonic vibration assembly is arranged on one side of each mold pipe. The process of nucleation-growth-fracture-nucleation can be continuously carried out in the solidification process of alloy liquid, finally solidification is completed, finer and more uniform high-temperature alloy ingots are obtained, the problems that mass production high-temperature alloy casting efficiency is low, alloy grains are coarse and large and the like can be solved, and the mass production alloy performance is improved.

The utility model relates to the technical field of antifouling cleaning devices, and discloses an antifouling cleaning device for optical lenses of spectrum instruments, which comprises a base, a support is fixedly mounted on the base, a lens body is mounted in the support in a clamping manner, and a cleaning mechanism is arranged on the base. According to the antifouling cleaning device for the optical lens of the spectrum instrument, in order to achieve the efficient cleaning effect on a lens body, a cleaning mechanism is arranged, an asynchronous motor drives a rotating rod to rotate, a conical cover is tightly attached to the outer wall of the lens body to synchronously rotate, an air pump is started, air is sucked into an air collection box through an air inlet pipe, and the air is dried and filtered through sponge and is pumped into a water pump; and the atomizing nozzle is matched to atomize ethanol to form mixed gas with a cleaning function, and the mixed gas is conveyed to the conical cover through the gas outlet pipe and is sprayed to the surface of the lens at a proper angle under the guidance of the obliquely mounted baffle, so that stubborn stains are effectively removed.

The utility model discloses a material conveying device of a packing machine, which comprises a first rack and a second rack, a charging barrel is fixedly arranged at the top of the first rack, a material guide assembly is fixedly arranged at the bottom of the charging barrel, the top end of the second rack is connected with a support frame in a sliding manner, a mounting frame is arranged between the support frame and the first rack, and the mounting frame is fixedly connected with the first rack. And a conveying chain plate is fixedly mounted in the middle of the mounting frame. According to the conveying device, the supporting frame slides on the surface of the second rack, lifting of one end of the mounting frame is controlled through sliding of the first rack, the conveying height is adjusted through lifting of one end of the mounting frame, the conveying device can adapt to material conveying within a certain height range, and practicability is improved; according to the material barrel, it can be ensured that materials in the material barrel stably flow onto the conveying chain plate, it is avoided that stable conveying of the materials is affected due to material hardening or material outlet blocking, and the stability of material conveying is effectively improved.

This utility model relates to the field of emulsification kettle technology and discloses a filtration device for the feed inlet of an emulsification kettle, including a kettle body. The technical solution of this utility model achieves rapid positioning and installation of the cylinder body through the sliding guide cooperation of the connecting plate and the guide column. Combined with the pre-positioning adsorption of the magnetic suction block and the axial fixation of the locking nut, a double positioning and locking structure is formed to ensure the installation accuracy of the cylinder body and prevent shaking. After the cylinder body is installed in place, the bottom end of the conical cylinder automatically inserts into the feed inlet. The spiral guide lines on the outer wall of the conical cylinder guide the material to flow axially while generating rotational motion, forming a swirling flow field. Utilizing the density difference between impurities and the emulsion, under the action of centrifugal force, the denser impurities gather towards the outer side of the swirling flow and are then intercepted by the filter screen, achieving efficient separation of impurities. Through the cooperation of the above structures, the cylinder body can be installed by plugging and sucking, and the entire filter screen assembly can be replaced without tools, saving time and effort.