20results about How to "Improved air distribution" patented technology

The utility model provides an anti-blocking device for a mud-containing liquid compressed air aeration pipe, which comprises an air cap and a needle-shaped anti-blocking device, the air cap is arranged at an air distribution hole on an air distribution pipe of a reaction tank, the air cap covers the outside of the air distribution hole, and the needle-shaped anti-blocking device penetrates through the air distribution hole and is arranged inside the air cap. An exhaust hole array is arranged in the air cap, and the needle-shaped anti-blocking device is driven by air flow to generate irregular motion in the aeration process. The needle-shaped anti-blocking device is driven by airflow to move irregularly in the aeration process, so that sludge and sediments in the air distribution holes are automatically scraped, blockage is avoided, and the manual cleaning frequency is reduced. Air flow distribution is optimized through exhaust holes of the air caps, it is ensured that compressed air evenly enters liquid, and the oxidation reaction or sewage treatment efficiency is improved. The movement of the anti-blocking device does not influence the original gas speed and gas flow, and a stable aeration effect is maintained.

The embodiment of the invention provides an adsorption column experimental device. The adsorption column experimental device comprises a shell assembly and a sieve plate, the shell assembly is provided with a containing space, an air inlet channel and an air outlet. The sieve plate is arranged in the accommodating space so as to divide the accommodating space into an adsorption cavity and an overflowing cavity; the air inlet channel is communicated with the overflowing cavity, the air outlet is communicated with the adsorption cavity, so that an air flow path which passes through the overflowing cavity and the adsorption cavity in sequence from the air inlet channel to the air outlet is formed, and at least the position where the air inlet channel is communicated with the overflowing cavity is located on the side, close to the adsorption cavity, of the overflowing cavity. According to the adsorption column experimental device, airflow distribution in the accommodating space can be improved, so that the utilization rate of an adsorbent is increased.

The utility model relates to air flow optimization technical field, and disclose the spinning cup air flow optimization device of air flow spinning machine, including spinning cup, the bottom of spinning cup is provided with the base, the inside of spinning cup is close to the top and is provided with the air intake adjusting assembly, the inside of spinning cup is close to the bottom and is provided with the air flow steady pressure subassembly. The spinning cup air flow optimization device of air flow spinning machine, through being provided with air intake adjusting assembly, can adjust the angle of louver blade, the turning angle of adjacent upper and lower two layers louver blade is mutually complementary and is set up, when needing to increase the air flow intensity, the blade is adjusted to the larger inclination angle, increases the air intake amount, if wants to optimize the air flow stability, then adjusts the blade angle and makes the air flow more gently enter the spinning cup, to adapt to different fibre raw material and spinning process demand, makes the spinning cup inside can set up the air flow adjusting part, can improve the air flow distribution and stability in the spinning cup, the quality and yield of yarn are high.

This utility model belongs to the field of fan blade technology and discloses a multi-blade noise-reducing blower fan blade, including: a fan blade assembly comprising 53 forward-curved fan blades evenly distributed along the circumference of a hub, with a motor mounting cavity at the center of the hub; the axial end face of the hub has several heat dissipation holes, arranged equidistantly along the circumference to form an annular heat dissipation channel; a motor assembly comprising a thickened silicon steel sheet frame, the silicon steel sheet thickness being 0.5-0.8mm; the ratio of the fan blade diameter D to the fan outer diameter D0 is 75%-78%; this utility model, by using 53 forward-curved fan blades with an optimized bending angle of 15°-25°, and a chord length ratio of the leading edge to the trailing edge of the blades of 1:0.8-1:0.9, effectively suppresses turbulence and eddy noise. An arc-shaped transition section with a transition radius R = 3-5mm is provided at the connection between the hub and the fan blades to reduce airflow separation noise.

The invention discloses an industrial fan, belongs to the technical field of fans, and is designed for solving the problems that an existing fan is unreasonable in design and the like. The industrial fan comprises an impeller which comprises a sawtooth-shaped middle disc, the length of a flow channel of the impeller is larger than a set value, and the width of a steady flow area of the impeller is larger than a set value; at least two blades; the impeller and the blades which are assembled are arranged in the machine shell, and the molded line of the inner wall surface of the machine shell is matched with the airflow field of the impeller. The industrial fan comprises the impeller and the machine shell, the impeller comprises the sawtooth-shaped middle disc, airflow distribution at an outlet of the impeller can be improved, the installation angle of the blades can be conveniently designed, impact of gas on blade welding seams can be relieved, axial additional force generated by air pressure difference can be reduced, the service life of a bearing can be prolonged, and rotational inertia can be reduced. The inner wall surface molded line of the casing is matched with the airflow field of the impeller, so that the problem of large energy loss caused by turbulence of the flow field of the existing fan is solved, the flow field of the airflow reaches the optimal state, and the noise is reduced.

The application relates to a wind tube structure and a hair dryer, which comprises a wind tube shell; a first air duct is formed in the inside of the wind tube shell; a containing cavity is formed in the shell wall of the wind tube shell, at least part of the space of the containing cavity forms a second air duct; a guide air port is arranged in the shell wall of the wind tube shell, the guide air port is communicated with the second air duct; the first air duct and the guide air port are connected with a wind source; the first air duct is used for conveying a first part of airflow generated by the wind source; and the guide air port is used for guiding a second part of airflow generated by the wind source to enter the second air duct. According to the double-air-duct design of the first air duct and the second air duct, the airflow is branched, the airflow flow rate blown out by the first air duct is reduced, the impact force generated on the hair due to the too concentrated airflow is avoided, the damage problems such as the damage of hair scale and the splitting of hair caused by long-time use are prevented, the airflow distribution is optimized, the covering contact area of the airflow and the hair is increased, and the drying efficiency is remarkably improved.

The utility model relates to the technical field of intelligent steaming and baking ovens, in particular to a uniform heating air duct baffle structure which comprises a box body, an inner chamber and a control cavity are arranged on the two sides of the interior of the box body respectively, the inner chamber is divided into a steaming and baking cavity and a heating cavity through an air duct baffle, and the air duct baffle is composed of a baffle body, a spray pipe, a spray box and a choke plate. Wherein the side, located in the steaming and baking cavity, of the baffle body is the front end, the upper side and the lower side of the baffle body are each provided with a connecting plate bent towards the front end, a ventilation hole is formed in the middle of the baffle body, and a plurality of air outlet holes are formed in the left side and the right side of the baffle body; the spraying box is located in the middle of the connecting plate above the front end of the baffle body, the whole spraying pipe is of an L-shaped structure, one end of the spraying pipe is inserted into the middle of the ventilation hole, the other end of the spraying pipe is located in front of the baffle body and connected with the spraying box, and the top of the spraying box is located above the connecting plate and sequentially connected with a choke plate and a water guide plate. And the choke plate is matched with the internal width of the heating cavity.

The utility model relates to the field of mica roasting, in particular to a uniform-temperature heating kiln body structure which comprises an outer-layer kiln body structure, an inner-layer kiln body structure is arranged in the outer-layer kiln body structure and is divided into three sections, a kiln body is divided into a preheating section, a roasting section and a cooling section along the length, and the temperature of each section is independently controlled. The front side of the inner-layer kiln body structure is rotationally connected with a door plate, a curved heat conduction steel pipe is installed on the door plate, reserved heating openings are formed in the left side and the right side in the inner-layer kiln body structure, and a backflow opening is formed in the rear side of the inner-layer kiln body structure. According to the mica roasting furnace, the uniformity and energy efficiency of mica roasting are remarkably improved through segmented independent temperature control, arc-shaped flow guide heat circulation and a waste heat recovery system, and heat loss is reduced by adopting the silicon carbide refractory bricks and the stainless steel composite heat preservation layer.

The utility model discloses a computer CPU (central processing unit) protection device, which belongs to the technical field of CPU protection, and is characterized in that a double-layer protection structure provides physical impact protection, a top pressure spring buffers vibration impact, a CPU is prevented from being damaged by mechanical stress, insufficient soldering of CPU pins is avoided, and the service life of hardware is prolonged. The computer CPU protection device comprises a first protection cover and a second protection cover, a first fixing lug is installed at the top of the first protection cover, a protection cavity is formed in the first protection cover and the first fixing lug, a CPU body is installed in the protection cavity, and a penetrating opening allowing the top of the CPU body to penetrate through is formed in the top of the first fixing lug; a mounting frame is arranged at the position, corresponding to the outer edge of the penetrating opening, of the top of the second protective cover in a protruding mode, a vapor chamber is mounted at the position of the mounting frame, a heat dissipation cavity is formed in the vapor chamber, a flow guide plate is mounted in the heat dissipation cavity, and a heat dissipation fan for assisting heat dissipation is mounted at the top of the vapor chamber.

This invention discloses a high-temperature, high-dust-content flue gas purification device, relating to the field of flue gas purification technology. The device includes an adjustable purification structure comprising multiple ceramic filter elements. SCR catalyst components are coated on the surface of each ceramic filter element. A swirling ammonia injection grille is installed at the inlet end of each ceramic filter element. An attitude adjustment mechanism is connected to the purification structure. A PLC control system is electrically connected to the attitude adjustment mechanism, which controls the ceramic filter elements of the purification structure to switch between vertical, inclined, and parallel settings. In the vertical setting, flue gas passes through the filter element in a straight line from top to bottom or bottom to top. In the inclined setting, flue gas passes through obliquely, forming a "Z"-shaped path. In the horizontal setting, flue gas flows laterally through the filter element, and particulate matter is deposited downwards under gravity. This invention solves the problem of low removal efficiency of fine particulate matter, achieving highly efficient purification of high-temperature, high-dust-content flue gas, and is particularly suitable for treating high-emission flue gas under complex operating conditions.

The invention belongs to the technical field of gas separation, and particularly discloses a gas separation membrane module. The module comprises a shell assembly, a plurality of gas inlet joints, a trapped gas outlet pipe and a permeated gas outlet pipe, the shell assembly is a cylindrical hollow shell, the interior of the shell assembly is divided into at least three independent channels in the axial direction, and a plurality of turbulent flow protrusions are arranged on the inner wall of each channel. Inclined air inlet holes which are in one-to-one correspondence with the channels and are connected and communicated with the air inlet joint are formed in one end of the side wall of the shell; the other end of the side wall is provided with a trapped gas outlet hole which is correspondingly connected and communicated with the trapped gas outlet pipe; a permeable gas gathering hole is formed in the head of one end of the shell and is communicated with a permeable gas outlet pipe. The module adopts a cross-flow multi-channel shell, is reasonable in structural design, can realize uniform distribution of airflow, remarkably reduces airflow dead zones among membrane filament bundles, and improves the effective utilization rate and mass transfer efficiency of membrane filaments. The device is suitable for various efficient and stable gas separation scenes such as industrial gas separation, natural gas purification, fuel cell tail gas treatment, chemical tail gas recovery and biogas purification.

The invention discloses an industrial sewage and waste gas integrated treatment monitoring device, relates to the technical field of environmental protection equipment, and is particularly suitable for environmental protection engineering construction and ecological protection engineering construction. The device comprises a tank body, and the interior of the tank body is divided into a waste gas treatment cavity and a sewage treatment cavity through a flow guide partition plate with hydrophobic one-way breathable film holes. The waste gas treatment cavity is provided with an ultraviolet lamp and photocatalytic filler; a micro-nano aeration disc is laid at the bottom of the sewage treatment cavity. A gas sensor, a water quality detection structure and a cleaning structure are also arranged in the tank body. The water quality detection structure comprises a shield, a position adjusting assembly capable of driving a water quality sensor to ascend and descend and a water spraying pipe. According to the invention, gas-liquid separation and waste gas introduction are realized through membrane holes, the oxygen utilization rate is improved by utilizing micro-nano aeration, and a lifting sensor is arranged to be matched with spraying and scrubbing to realize automatic cleaning; the device is compact in structure, efficient in treatment and capable of being widely applied to the field of environmental protection and ecological protection engineering.

This utility model discloses a high-temperature resistant yeast fermenter capable of collecting fermentation exhaust gas, belonging to the field of fermenter technology. The high-temperature resistant yeast fermenter includes a tank body and a gas buffer bladder. A gas collecting hood and a spiral condenser tube are installed at the upper end of the tank body. A three-way valve is installed on the pipe connecting the gas collecting hood and the spiral condenser tube. One output end of the three-way valve is connected to the gas buffer bladder, and the output end of the spiral condenser tube is connected to an absorption tank. This high-temperature resistant yeast fermenter, capable of collecting fermentation exhaust gas, optimizes airflow distribution through a spiral condenser tube combined with a conical guide plate, improving condensation efficiency and reducing liquid component loss. CO2 is recovered with high purity through chemical absorption, allowing for food-grade or industrial reuse. The three-way valve and the gas buffer bladder work together, recycling gas during overpressure and supplementing CO2 during negative pressure, avoiding the exhaust gas leakage problem of traditional pressure relief valves.

The utility model discloses an overflow method substrate glass forming thickness compensation adjusting device which comprises two soaking box bodies and thickness compensation mechanisms, the soaking box bodies are arranged on the two sides of a glass sheet respectively, and the thickness compensation mechanisms are arranged on the soaking box bodies respectively. The thickness compensation mechanism comprises an air inlet pipe, a heating assembly and an air outlet pipe which are connected in sequence; the air inlet pipe is used for receiving input cooling air; the heating assembly is used for heating the input cooling air, so that the temperature of the heated air reaches the softening point of the glass sheet or above; the air outlet pipe penetrates through the soaking box body, and the end, away from the heating assembly, of the air outlet pipe is used for inputting heated cooling air into the soaking box body. According to the invention, the thickness of the glass sheet can be controlled more accurately and flexibly, so that the thickness of the glass sheet can be compensated and adjusted more effectively.

The invention discloses a flapping wing driving device, relates to the technical field of flapping wing aircrafts, and mainly aims to provide a flapping wing driving device with a wing shaft and a wing section for self-adaptive torsion. According to the main technical scheme, the flapping wing driving device comprises a rotating part, a rocker arm is arranged outside a first rod body in a sleeving mode, a protruding strip is arranged on the outer surface of a shaft body, one end of the shaft body is rotationally connected to the radial direction of the rocker arm, a base is arranged outside the rocker arm, one end of an inhaul cable is connected to the base, and the base is connected to one end of a tension spring body. The other end of the inhaul cable is wound outside the shaft body and is connected to the other end of the tension spring body; the shaft body penetrates through each shaft hole, the protruding strip penetrates through each displacement hole, the inflation pipes are arranged on the two sides of the protruding strip, a first space is formed between the protruding strip and the wing component, and the inflation pipes fill the first space; and the power part is connected to the inhaul cable. The flapping wing aircraft is mainly used for flapping wing flight.

The present application relates to air purification and clean room ventilation technical field, more specifically, the present application relates to a kind of low wind resistance high flux chemical filter structure, including the shell of filter section in air conditioning unit installation, the shell is connected with the air inlet pipeline for conveying gas to be handled;The shell can make gas form vortex air curtain guide vane;First filter element capable of carrying out preliminary processing to gas is installed in the shell, vibration element capable of disturbing filter material in first filter element is installed in the shell, collection element capable of collecting broken filter material is provided in the shell.The present application is through annular self-adapting guide, rotating vibration double-layer filter bed, variable porosity thin layer filter bed and multi-stage cooperation of cabin self-vibration fine filter, make the airflow distribution uniform entering filter layer, filter material utilization rate is high, under the premise of not increasing module external dimension, significantly reduce unit wind volume pressure drop and slow down the growth of pressure difference with running time, realize low wind resistance, high flux chemical filtration.

This application relates to an electrostatic dust collection plate for purifying oil fumes, comprising a hollow dust collection plate body. Three sets of staggered fins are fixed to both sides of the dust collection plate body. Through holes are evenly distributed on the fins. A third baffle is fixed to the side of the fin away from the dust collection plate body. A downwardly inclined guide strip is fixed to the bottom end of the fin. The end of the guide strip away from the dust collection plate body is fixed to the bottom end of the third baffle, forming an L-shape to cover the fin. A second collection hole is opened on the dust collection plate body corresponding to the position of the guide strip. The guide strip extends through the second collection hole into the dust collection plate body. Strips are fixed to both sides of the corresponding two sets of guide strips inside the dust collection plate body. A tube is fixed to the center of the bottom end of the dust collection plate body. This application increases the collection area of ​​the dust collection plate, improves the adsorption efficiency, and can effectively guide and collect the adsorbed oil fumes, allowing for centralized discharge of oil.

According to the flue gas denitration and decarburization system, raw flue gas and hot air are directly mixed to increase the temperature of the raw flue gas, so that the flue gas denitration and decarburization system is not influenced by the temperature of the raw flue gas, the amount of the mixed hot air can be adjusted according to requirements, the flue gas temperature is ensured to reach the optimal denitration and decarburization range, and the adaptability of the whole system to the raw flue gas is improved; the desulfurization and denitrification efficiency is further ensured; meanwhile, the high-low temperature fluid mixer is arranged on the raw flue gas conveying pipeline and used for mixing the raw flue gas and the hot air, the uniformity of the mixed gas is improved, and therefore the uniformity and stability of the temperature of the mixed gas entering the denitration and decarbonization chamber are guaranteed, and the denitration and decarbonization effect is effectively improved.

This invention discloses a drying device suitable for the synthesis of AMPS copolymer water-reducing dispersant, comprising: a drying chamber, a hot air duct connector, an atomizer, and a powder collection system. The drying chamber has an inlet and an outlet. The outlet end of the atomizer and the hot air duct connector are connected to the inlet of the drying chamber, and the powder collection system is connected to the outlet of the drying chamber. The hot air duct connector is coaxially arranged with the atomizer, and at least one guide plate is provided at the connection point of the hot air duct connector. The guide plate is a flat plate or an arc-shaped structure, and its installation angle relative to the axis of the hot air duct connector is 30° to 60°. The bottom of the drying chamber is connected to the powder collection system. The drying chamber has a conical structure with a cone angle of 15° to 30°. In this invention, the airflow distribution is optimized through the coaxial hot air duct connector and the guide plate, and the conical drying chamber improves material flow efficiency, enhances drying uniformity, and improves powder collection efficiency.

The utility model provides a draught fan, cleaning equipment and a cleaning system. The draught fan comprises a machine body and a rectification net. The machine body comprises an air inlet; the rectifying net comprises a mesh part and a mounting part surrounding the mesh part, the mounting part is connected to the edge of the air inlet, and the mesh part is located on an air inlet path of the fan; the mesh part comprises the through holes which are evenly distributed, the density of the through holes is configured to meet the specified density range, and the technical problem that an existing draught fan is large in noise can be solved.