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84results about How to "Uniform flow rate" patented technology

Bitter type water-cooled magnet cooling structure and Bitter type water-cooled magnet

The invention belongs to the field of water-cooled magnet cooling, and particularly discloses a Bitter type water-cooled magnet cooling structure and a Bitter type water-cooled magnet, and the Bitter type water-cooled magnet cooling structure comprises a shell body, an upper flow guide part and a lower flow guide part; the upper flow guide part and the lower flow guide part are both arranged in the shell body, and a water-cooled magnet main body is placed between the upper flow guide part and the lower flow guide part; an upper end cover is arranged between the upper flow guide part and the inner wall of the shell body, a lower end cover is arranged between the lower flow guide part and the inner wall of the shell body, a water inlet cavity is formed between the upper surface of the upper end cover and the inner wall of the shell body, and a water outlet cavity is formed between the lower surface of the lower end cover and the inner wall of the shell body. A water inlet communicated with the water inlet cavity and a water outlet communicated with the water outlet cavity are formed in the shell body; a water inlet hole is formed in the upper flow guide piece in a surrounding mode, a plurality of water outlet holes are formed in the lower flow guide piece in a surrounding mode, and the water inlet hole and the water outlet holes are communicated through cooling channels. According to the invention, the beneficial effects of improving the heat dissipation effect of the water-cooled magnet and avoiding local overheating of the water-cooled magnet can be achieved.
Owner:HUAZHONG UNIV OF SCI & TECH

High-uniformity low-energy-consumption static nozzle ring device

The invention relates to the technical field of coal mills, and discloses a high-uniformity low-energy-consumption static nozzle ring device which comprises a nozzle ring, a wear-resistant block and a pressing and blocking piece. The nozzle ring is fixed in the machine shell, the nozzle ring and a millstone supporting ring in the machine shell are coaxially arranged, a through-flow area of the nozzle ring is provided with a first airflow channel, a second airflow channel and a third airflow channel which are sequentially communicated from bottom to top, and a plurality of first blades are arranged in the second airflow channel to divide the second airflow channel into a plurality of first nozzles. The through-flow area of the first nozzle is gradually increased from the position close to the primary air outlet to the position far away from the primary air outlet; and the wear-resistant block is limited in the third airflow channel of the nozzle ring through the pressing and blocking piece. The airflow velocity distribution of a through-flow area is simulated through an experiment, and the through-flow area of a runner is adjusted by using a spline curve, so that the flow velocity of a flow field in a whole nozzle ring area is more uniform, the abrasion condition of an abrasion-resistant block and a machine shell is effectively improved, and the overall service life is prolonged.
Owner:BEIJING POWER EQUIP GRP

Automatic lubricating device for milling machine cutter

The utility model belongs to the technical field of milling machine machining, and particularly relates to a milling machine cutter automatic lubricating device which comprises a structural bin and an adjusting pipe, the bottom of the structural bin is rotationally connected with a milling cutter disc, a motor is fixedly assembled on the top of the structural bin, and an output shaft is assembled at one end of the motor and located in the structural bin in a transmission mode. A fourth gear is fixedly connected to the outer wall of the output shaft, the motor is in transmission connection with the facing cutter through the output shaft located in the structural bin, and a third gear is rotationally connected to the position, located on one side of the fourth gear, of the inner wall of the structural bin. When the tool is used for machining a workpiece, lubricating liquid can be rotationally sprayed to a tool bit and a cutting face from multiple angles for lubricating and cooling, lubricating dead angles are avoided, the flow speed of each spray head can be uniformly adjusted and controlled, the flow of each spray head is kept uniform, and liquid splashing caused by too high flow speed, too low flow speed and insufficient lubrication caused by too low flow speed are avoided.
Owner:LUOYANG LANFEI MASCH EQUIP CO LTD

Wide-working-condition low-pressure-loss unilateral air inlet SOFC burner

The invention relates to a single-side gas inlet SOFC burner with wide working condition and low pressure loss in the field of solid oxide fuel cells. An ignition rod sleeve for arranging an ignition rod is arranged in the middle of the top of a combustion chamber of the single-side gas inlet SOFC burner; the top of the combustion chamber is further provided with an anode tail gas distribution channel and a cathode tail gas distribution channel, and the anode tail gas distribution channel and the cathode tail gas distribution channel are sequentially arranged on the periphery of the ignition rod sleeve in a surrounding mode. And cathode tail gas and anode tail gas are uniformly introduced into the combustion chamber in a ring-surface-shaped gas outlet manner after passing through respective independent distribution channels. The anode tail gas and the cathode tail gas are evenly input into the combustion chamber in an annular mode, the consistent flow density is kept on the annular face, the two kinds of tail gas are fully mixed in the combustion chamber, the ignition rod conducts centered ignition, flame deflection is avoided, local overheating is reduced, the stable combustion state is achieved, and stable combustion within the wide working condition range can be achieved easily; and the pressure loss caused by non-uniform gas distribution is reduced.
Owner:VASTRAN TECHNOLOGY (ZHONGSHAN) CO LTD

Capacitor electrode and decoupling electrolytic water hydrogen production square electrolytic cell

ActiveCN119287403AReduce the risk of osmotic contaminationlow investment costCellsElectrode shape/formsElectrolytic agentCapacitance
The invention relates to the technical field of hydrogen production, in particular to a capacitor electrode and a decoupling water electrolysis hydrogen production square electrolytic bath, and by means of the design of gas and liquid flow channels of the capacitor electrode and the decoupling water electrolysis hydrogen production square electrolytic bath, hydrogen and oxygen can be isolated in water electrolysis reaction; the high cost of the ion exchange membrane is saved, and the limitation of the diaphragm is broken through, so that the working pressure of the electrolytic cell can reach 5MPa or even higher; by arranging the electrolytic cell limiting mechanism, the small electrolysis chambers can be prevented from falling, so that leakage of electrolyte is prevented, and meanwhile, due to the modular skid-mounted design, distributed moving and mounting are facilitated, and overhauling and maintenance during faults are facilitated; by means of the unique design of the square flow field, the square alkali liquor inlet and outlet and the square hydrogen / oxygen outlet, it can be ensured that the flow speed of an electrolyte flow channel is uniform, gas is exhausted in time, energy loss is reduced, and the electrolysis efficiency is improved.
Owner:HEFEI HYDROGEN POLYMER TECH CO LTD

Alloy casting machine capable of achieving one-time forming

The utility model relates to the technical field of casting machines for continuous production in the iron alloy industry, in particular to a one-time forming alloy casting machine. Comprising a hydraulic ladle turning machine and a transmission device, the transmission device comprises a motor, a speed reducer, a driving chain wheel, a driven chain wheel, a chain belt and a roller base; the roller base comprises an upper base and a lower base; a wide overflow type molten iron flow tank is arranged right above the driven chain wheel; the chain belt is provided with an anti-splashing long-life granulating casting mold and a transmission shaft; the transmission device is provided with a plurality of condensing devices matched with the anti-splashing long-life granulating casting molds; the lower base is provided with two pairs of special demolding devices matched with the anti-splashing long-service-life granulation casting molds. The problems that iron alloy products cannot be formed at a time, and demolding, molten iron flow control, iron block particle size uniformity and the like are caused by molten iron medium characteristics and particle size differences of a conventional pig casting machine after one-time forming are effectively solved.
Owner:SHILIN LUOHE METALLURGY EQUIP

Anti-freezing anti-corrosion auxiliary device for breather valve system of oil storage tank

The utility model provides an oil storage tank breather valve system anti-freezing anti-corrosion auxiliary device which comprises a shell, an air inlet, an air outlet and a heat exchange assembly, the upper end of the shell is provided with an upper scavenging port, a breather valve system is communicated with the shell through the upper scavenging port, the lower end of the shell is provided with a lower scavenging port, and the air inlet is communicated with the air outlet through the lower scavenging port. The oil storage tank is communicated with the shell through the lower scavenging port; the heat exchange assembly is arranged in the shell, and the heat exchange assembly communicates with the air inlet and the air outlet. According to the device, the temperature of gas in the oil storage tank passing through the device is reduced, water vapor in the oil storage tank is reduced, condensation and freezing blockage of the water vapor at the fire-retardant net and the breather valve are avoided, and normal operation of the oil storage tank in a low-temperature environment in winter is ensured. And the inner surface of the shell and the surface of the heat exchange assembly are subjected to surface nickel-base alloy plating treatment, so that the corrosion resistance is improved, and the service life of the device is effectively prolonged.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Downhole while-drilling gas logging testing device

The underground while-drilling gas logging testing device comprises a collecting and discharging mechanism, a drill rod, a water guide pipe and a drill bit, the drill rod, the water guide pipe and the drill bit are connected in sequence, a testing cylinder arranged outside the water guide pipe in a sleeving mode is installed on the drill rod, a testing and collecting module ring is installed outside the water guide pipe, and a testing cavity with an opening facing the drill bit is formed by the testing cylinder and the water guide pipe; a first inlet hole is formed in the end, close to the drill bit, of the testing barrel, a first outlet hole is formed in the end, away from the drill bit, of the testing barrel, a blocking mechanism is further installed outside the testing barrel and comprises a sleeve shell rotationally arranged outside the testing barrel in a sleeving mode, and a second inlet hole corresponding to the first inlet hole and a second outlet hole corresponding to the first outlet hole are formed in the sleeve shell. A sealing mechanism used for sealing a drilled well is further installed on the portion, between the second inlet hole and the second outlet hole, of the sleeve shell. The plugging mechanism further comprises a control mechanism used for controlling the sleeve shell to rotate.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Ultrasonic gas meter flow regulator

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.
Owner:杭州先锋电子技术股份有限公司

Coal mill inlet air duct flow equalizing system and coal mill

The utility model provides a coal mill inlet air duct flow equalizing system and a coal mill, the coal mill inlet air duct flow equalizing system comprises two groups of fan blades, and the two groups of fan blades are both arranged in a hot primary air branch pipe and located at the downstream of a cold primary air pipe. The split type fan blade structure is arranged on the downstream portion of the cold primary air, the air volume can be conveniently adjusted, the structural complexity and size are reduced, and the application range is widened.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

Corrugated pipe with noise reduction structure

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.
Owner:NINGBO MINGTAI INTELLIGENT ELECTRICAL APPLIANCES CO LTD

A vertical multi-stage mud pump

The present invention discloses a vertical multi-stage mud pump, which relates to the technical field of mud pumps, including a pump body and a volute installed at the bottom of the pump body, and also includes a guide baffle, which is installed in the volute, and the volute is internally formed with an inner flow channel and an outer flow channel through the guide baffle, and a discharge port is provided on one side of the volute, one end of the guide baffle is in the inner cavity of the volute, and the other end is in the inner cavity of the discharge port, and the end is elastically hinged with a diversion buffer, a noise reduction buffer cavity, which is installed on the inner wall of the volute, and a partition tongue is installed at the internal connection between the volute and the discharge port, and the partition tongue is located between the diversion buffer and the cavity mouth of the noise reduction buffer cavity, and a plurality of opening and closing pressure regulating parts are hinged on the outside of the noise reduction buffer cavity. The present invention divides the internal space of the volute into two areas, the inner flow channel and the outer flow channel, by arranging the guide baffle, balances the radial force of the impeller, and makes the flow velocity on both sides of the discharge port more uniform, and the diversion buffer can also play a buffering role when the fluid impacts the discharge port.
Owner:MINGGUANG CITY LIUXIANG PUMP IND

Oil-free air compressor with air intake and heat dissipation structure

The present invention relates to an oil-free air compressor with an air intake and heat dissipation structure applied to the field of air compressors, comprising: a base plate, the top outer wall of the base plate is fixedly connected to a support frame, the top of the support frame is fixedly connected to a motor; an air compressor body, the air compressor body is arranged on one side of the base plate, the output end of the motor is located inside the air compressor body, the air compressor body comprises a cylinder body, an exhaust port and an air inlet, one side of the air inlet is fixedly connected to an air intake pipe, the circumferential outer wall of the air intake pipe is plugged with a cooling pipe, and an air intake component is arranged at one end of the cooling pipe away from the air intake pipe. The use of the above-mentioned air intake component can speed up the flow rate of the air around the cylinder body, and at the same time, the cooling effect on the cylinder body can be further improved in combination with the heat sink, so that the cylinder body will not overheat and shut down during the continuous air compression process.
Owner:JIANGSU YAYANG COMPRESSOR CO LTD

Honeycomb body and manufacturing method thereof

The invention provides a honeycomb body and a manufacturing method thereof, and belongs to the technical field of combustors, the honeycomb body comprises a metal thin strip, the metal thin strip comprises a plurality of plane sections and a plurality of corrugated sections, the metal thin strip is coiled to form the honeycomb body, an airflow channel is formed through the plane sections and the corrugated sections, and the airflow channel is in a curve shape. According to the invention, the problem of local upward projection or downward movement is avoided, the metal thin strip is not easy to warp, the flame is stable, the tempering is not easy to cause, the combustion is stable, the tempering phenomenon can be effectively prevented, the strength of the metal thin strip can be enhanced, the honeycomb body deformation is reduced, and the honeycomb body performance is more stable.
Owner:VATTI CORP LTD

Dryer for textile web

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.
Owner:TRUETZSCHLER GRP SE

Perfluorotributylamine production device capable of realizing deep fluorination and production method of perfluorotributylamine production device

The invention relates to the technical field of perfluorotributylamine preparation, in particular to a perfluorotributylamine production device capable of deep fluorination and a production method thereof.The perfluorotributylamine production device structurally comprises an electrolytic bath body, a mother liquor inlet pipe outwards arranged on one side of the electrolytic bath body, and a heat exchange device used for conducting circulating refrigeration on materials in the electrolytic bath body; a multi-pipeline heat exchange pipe is replaced by a single-pipeline heat exchange pipe, the flowing path is simple, fluid flows in the same pipeline, the flowing speed is uniform, and the phenomenon that in the multi-pipeline design, due to uneven flow distribution, the flowing speed of some pipelines is too low, and local deposition is caused is avoided; and the product flows along the curve of the pipeline, the disturbance and turbulivity of the fluid are increased, the disturbance flow is beneficial to preventing electrolytic products from being deposited on the inner wall of the pipeline, and because the turbulent flow can improve the shearing force of the fluid, effectively washes away sediments, prevents substances from being accumulated in the pipeline, and effectively ensures the heat exchange uniformity and efficiency.
Owner:FUJIAN DEER TECH CORP

Electrode frame assembly of flow battery, electric pile unit and electric pile

The invention provides a flow battery electrode frame assembly, a galvanic pile unit and a galvanic pile, the flow battery electrode frame assembly comprises an outer frame body, the middle part of the outer frame body is a first hollow structure for embedding a first electrode, the upper and lower parts of the front and back surfaces of the outer frame body are provided with electrolyte flow channel grooves, and the four corners of the outer frame body are respectively provided with electrolyte flow holes communicated with the corresponding electrolyte flow channel grooves; a plurality of first distribution runners communicated with the electrolyte runner groove are arranged on the front surface of the outer frame body and close to the edge of the first hollow structure; a film pressing frame mounting groove is formed in the reverse side of the outer frame body and surrounds the edge of the first hollow structure; the middle part of the film pressing frame is a second hollow structure for embedding a second electrode, and one surface of the film pressing frame is provided with a plurality of second distribution runners; and after the film pressing frame is embedded in the film pressing frame mounting groove, the second distribution flow channel is connected and communicated with the electrolyte flow channel groove on the side where the second distribution flow channel is located. According to the technical scheme, the area ratio of the electrode reaction region can be ensured to the maximum extent, and the reaction efficiency of the flow battery is improved.
Owner:SUPCON TECH CO LTD

Sugar cooling vertical crystallizer

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.
Owner:MYANDE GRP CO LTD

Wine steamer condensing system based on air-cooled condenser

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.
Owner:YIBIN ZHITE MASCH CO LTD

Heat exchange assembly of energy storage battery module

The utility model provides an energy storage battery module heat exchange assembly which comprises a heat exchange assembly main body frame and frame protection side plates arranged on the two side edges of the heat exchange assembly main body frame, side plate bolt holes are formed in outer plates of the frame protection side plates, bolts can be embedded into the side plate bolt holes, and the frame protection side plates are connected with the heat exchange assembly main body frame. The bottoms of the bolts are connected with side rods of the heat exchange assembly body frame, and a partition cross beam is embedded in the middle section of an inner frame of the heat exchange assembly body frame. The installation positioning holes are used for facilitating installation of the heat exchange assembly and located in the bottom of the heat exchange assembly. The size and the position of the positioning hole need to be matched with an installation tool or equipment so that the heat exchange assembly can be fixed to the support base.
Owner:JIANGSU NAQUAN ZHENYUAN ENERGY STORAGE TECH CO LTD

Air port honeycomb guide plate structure and device suitable for uniform distribution of wind field of large-breadth metal additive equipment

The invention discloses a tuyere honeycomb guide plate structure and device suitable for uniform distribution of a wind field of large-breadth metal additive equipment, and relates to the technical field of metal 3D printing. The tuyere honeycomb flow guide plate structure comprises a tuyere honeycomb flow guide plate structure body, a third jet flow channel is arranged in the tuyere honeycomb flow guide plate structure body, the third jet flow channel is of a gradient caliber, and the third jet flow channel comprises a first jet flow channel, a fourth jet flow channel and a second jet flow channel. An air inlet is formed in the side end, close to one side, of the tuyere honeycomb guide plate structure body; air flow is introduced into the air blowing structure and rectified through the air opening honeycomb flow guide plate structures evenly distributed in the air field of the large-breadth metal additive equipment, air flow parallel to the front is obtained, the air suction structure sucks air after being externally connected with the draught fan, the air flow on the forming plane shows the uniform flow speed and the high average air flow strength, and the air flow in the forming plane is uniform in flow speed and high in average air flow strength. In this way, smoke dust at all positions in the machining process can be effectively removed.
Owner:JINLING INST OF TECH

Fully-immersed three-phase electrode hot water boiler with all electrodes capable of outputting power uniformly

The utility model discloses a full-immersion type three-phase electrode hot water boiler with uniform output of each electrode. Uniform and stable output operation of the three-phase electrodes in the boiler is realized. A water distribution disc (2) is arranged at the lower end of an inner cavity of a closed boiler barrel (1), built-in water inlets (4) are evenly distributed in the water distribution disc, an upper protection shield (10) is fixedly arranged over a lower protection shield (16), the lower end of a conducting rod sequentially penetrates through an insulating base (6) and the upper protection shield (10) and then is connected with an electrode (8), a lifting protection shield (9) is arranged on the outer side of the electrode (8), and the lifting protection shield (9) is connected with the upper protection shield (10). A cold water inlet (3) is formed in the center of the bottom end of the boiler barrel body (1); an inverted conical bulge (14) is arranged on the lower bottom surface of the water distribution disc (2) right above the cold water inlet (3); exhaust through holes are uniformly distributed in the upper protective shield (10); a hot water output port (15) is formed in the top end of the boiler barrel (1); and the operation safety of the boiler is ensured.
Owner:TAIYUAN BOILER GROUP

Multifunctional sand mixer casting mold

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.
Owner:WUXI SAIMEISI MECHANICAL EQUIP CO LTD

Flue gas guiding device for SCR (selective catalytic reduction) outlet flue of coal-fired boiler

The utility model discloses a flue gas guiding device for an SCR (Selective Catalytic Reduction) outlet flue of a coal-fired boiler, which belongs to the technical field of boiler thermal engineering equipment and comprises an SCR denitration reactor, and an outlet of the SCR denitration reactor is arranged downwards and is connected with a fly ash collecting hopper; one side of the fly ash collecting hopper is connected with a flue communicated with the fly ash collecting hopper, an upper-stage air preheater and a guide plate are arranged in the flue, one end of the guide plate extends to an inlet of the upper-stage air preheater, and the other end of the guide plate extends to an outlet of the SCR denitration reactor. According to the utility model, the continuous guide plate is additionally arranged in the connecting flue from the outlet of the SCR denitration reactor to the inlet of the upper-stage air preheater, so that the effect of balancing the flue gas flow on the two sides of the upper-stage air preheater is achieved, and the problem of unbalanced flue gas flow velocity and heat exchange is solved. The fly ash collecting hopper is arranged to collect pulverized coal ash passing through an outlet of the SCR denitration reactor, so that the problem that a channel of the air preheater is blocked due to deposition of the pulverized coal ash is solved.
Owner:GUANGXI HUAYIN ALUMINUM

Temperature-controllable heat exchange device and temperature control method thereof

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.
Owner:HUNAN TAIYUANJI MEDICAL TECHNOLOGY CO LTD

Extrusion die for aluminum profile of lifting structure of display

ActiveCN224168373Ustable structureAvoid deformation and fractureExtrusion diesDisplay deviceMechanical engineering
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.
Owner:XIAMEN XIHONG ALUMINUM CO LTD

Wine storage device and use method thereof

The invention discloses a wine storage device and a using method thereof, and belongs to the technical field of wine taking equipment. In the device, a first connecting piece at an opening of a wine barrel surrounds the periphery of a first connecting assembly, and a support is located at the end, away from the wine barrel, of the first connecting piece; in the first connecting assembly, a first connecting piece is arranged on the outer side of the opening of the wine barrel, a second connecting piece is arranged on the inner side of the opening of the wine barrel, a third connecting piece is clamped in the second connecting piece, an elastic assembly is arranged in the third connecting piece, and a fourth connecting piece is arranged between the elastic assembly and the third connecting piece in a sleeved mode. A wine outlet head in the wine taking device is located between a faucet base and an air outlet pipe, the faucet base is connected with a first connecting piece in a clamped mode, the air outlet pipe is inserted into an elastic assembly, and the wine outlet head is inserted into the end, away from the elastic assembly, of a fourth connecting piece and is in sealed connection with a second connecting piece. In the wine taking process, the wine barrel is firstly subjected to air exhausting and pressure relief, the equal pressure of the interior and the exterior of the wine barrel is achieved, therefore, wine is discharged at the balanced flow speed, and the wine quality is guaranteed.
Owner:JINAN TIMES WINEWARE MFG CO LTD

Heat treatment method for cylindrical forge piece with deep blind hole

The invention discloses a heat treatment method for a deep blind hole cylindrical forge piece. The heat treatment method comprises the steps that quenching treatment is conducted on the interior of the deep blind hole cylindrical forge piece based on a directional water spraying device with the tail end connected with a flow guide cover; the interior of the deep blind hole cylindrical forge piece is cooled based on a directional water spraying device with the tail end connected with a flow guide cover; and the flow guide cover is provided with a water outlet end which is designed along with the shape of the arc-shaped curved surface at the tail end of the deep blind hole cylindrical forge piece. By means of the design, turbulence of a flow field in the barrel forge piece is avoided, and the defects that an existing deep blind hole barrel forge piece is prone to deformation in heat treatment, difficult to hoist and uneven in cooling are overcome.
Owner:TIANJIN HEAVY EQUIP ENG RES +1

A graphite transition piece

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.
Owner:SHENZHEN HEAVY INVESTMENT TIANKE SEMICON CO LTD