47results about How to "Avoid vortex phenomenon" patented technology

The utility model provides a condensed fluid collection device at the top end of a wet chimney smoke guide plate. The condensed fluid collection device comprises a fixed support and a collecting tank, wherein the collecting tank is installed on the top end of a wet chimney smoke guide plate through the fixed support. Notches are formed in two sides of the collecting tank, a water discharging hole is formed in the lowest position in each notch, and a water discharging pipe is arranged in the water discharging hole; a reinforcing plate and a water guide plate are arranged inside the collecting tank, the water guide plate is used for guiding the collected condensed fluid to the water discharging pipe and discharging the condensed fluid out of a chimney. A smoke field in a smoke guide plate area in an inlet of the chimney is relatively complicated, the secondary entrainment phenomenon of the condensed fluid is likely to happen, the collecting device is arranged on the guide plate, the vortex generated nearby the smoke guide plate can be effectively eliminated, and the generated condensed fluid can be collected and discharged out of the chimney, so that the stack rain phenomenon caused by the secondary entrainment of the condensed fluid entering the atmosphere can be effectively avoided; meanwhile, the condensed fluid collection device is reliable, high efficient, economical, practical and easy to realize.

The invention relates to the technical field of dispensing machines, and discloses a PCB board dispensing machine, including a cabinet, a hinge block is fixedly installed on the front of the cabinet, and a cabinet door is fixedly installed on the back of the hinge block, and the cabinet door The front of the cabinet is fixedly installed with a pull ring, the top of the cabinet is fixedly installed with an electronic balance, the top of the electronic balance is movably installed with a glue mixing cup, and the top of the cabinet is fixedly installed with a baffle at the rear of the electronic balance. Positioning holes are provided on the top of the baffle. The PCB board dispensing machine drives the turntable to rotate through the output shaft, and the turntable drives the stirring rod to stir the colloid through the slider. The chute and the slider produce relative sliding during the rotation process to prevent the eddy current phenomenon caused by the concentric stirring of the stirring rod, thereby It makes the colloid stir more evenly, and at the same time, the protective cover and the baffle seal the glue mixing cup to prevent the colloid from splashing and external dust from contaminating the colloid, and achieve the effect of efficient dust prevention.

The invention discloses a multi-directional self-adaptive suspended type tidal current energy water turbine which comprises an upper balancing wing, a lower balancing wing, air guide sleeves, turbine blades, generators, connecting fixing rods and anchoring fastening rings, wherein the upper balancing ring and the lower balancing wing are installed on the upper portions and the lower portions of the air guide sleeves, the turbine blades are fixed to outer sides of rotors of the generators, the generators are fixed onto the air guide sleeves through the connecting fixing rods, and the anchoring fastening rings are installed on the outer sides of the air guide sleeves. The connecting fixing rods are three in number in a group and are uniformly arranged in a radial mode making the axis of each generator as a center, and the included angle between every two connecting fixing rods is 120 degrees. After the multi-directional self-adaptive suspended type tidal current energy water turbine is installed, a suspension system can do real-time fair current attitude regulation according to tidal current flow direction changes, the incoming flow direction is identical to the direction of the axis of each air guide sleeve, namely the incoming flow direction is vertical to the rotating plane of the blades, flow gathering effects are highly significant, and the fact that a tidal current energy power generation system has substantial generating efficiency under a low flowing speed can be guaranteed.

The invention relates to a high-pressure material angle valve with turbulence blades, which comprises a valve body of the angle valve, wherein the valve body of the angle valve is right angle type, a valve seat is arranged at an outlet of the valve body of the angle valve, and a valve core is mounted in the valve seat; a valve rod is mounted in the valve body of the angle valve, the valve rod and the valve core constitute an integrated structure, and the top end of the valve rod penetrates out of the valve body of the angle valve; and the high-pressure material angle valve is characterized in that the turbulence blades are arranged on the wall of an inner cavity of the valve body of the angle valve. The turbulence blades are respectively arranged on the wall of the inner cavity which is just opposite to an inlet of the valve body of the angle valve, the wall of the inner cavity on the left side surface and the wall of the inner cavity on the right side surface. A sealing gasket is utilized for sealing between the valve seat and the outlet of the valve body of the angle valve. The high-pressure material angle valve has the advantages of simple structure, safety and reliability, and can greatly reduce the production cost.

The invention discloses an evaporation chamber of a vacuum hot water boiler, comprising a boiler cavity, wherein the upper half part of the boiler cavity is a heat exchange cavity, the lower half part of the boiler cavity is an evaporation cavity in which a hearth and a smoke tube are arranged, heat exchange tubes are arranged in the heat exchange cavity, and the cross section of the top part of the heat exchange cavity is a circular arc. The evaporation chamber of the vacuum hot water boiler also comprises a rectification barrel which is sheathed outside the heat exchange tubes and comprisesa barrel body, both ends of the barrel body are provided with fixed ends, the upper half part between the two fixed ends of the barrel body is provided with a vapor inflow port, and the bottom of thebarrel body is provided with more than two condensed water outflow channels. By adopting the evaporation chamber of the vacuum hot water boiler, on one hand, the flow rate of water vapor is increasedso that the heat exchange efficiency between the water vapor and the heat exchange tubes is increased; and on the other hand, as the water vapor flows inside through the vapor inflow port, the flow rate of the water vapor among the heat exchange tubes is accelerated, and condensed water flows out from the condensed water outflow channels so that the contact area between the condensed water and the water vapor is reduced, thereby the heat exchange efficiency is further enhanced.

The invention discloses a pipeline configuration structure of a triple-inlet air cooler system for hydrogenation reaction effluents. The pipeline configuration structure is characterized in that an inlet header pipe is perpendicularly downwardly communicated with a middle point of a first pipeline, two ends of the inlet header pipe are respectively communicated with a second pipeline and a third pipeline, and a plane formed by the second pipeline and the third pipeline is perpendicular to a plane formed by the inlet header pipe and the first pipeline; the tail end of the second pipeline and the tail end of the third pipeline are perpendicularly communicated with a fourth pipeline, two ends and the center point of the fourth pipeline are respectively perpendicularly communicated with a fifth pipeline, a seventh pipeline and a sixth pipeline, a plane formed by the fifth pipeline, the seventh pipeline and the sixth pipeline is perpendicular to a plane formed by the first pipeline, the second pipeline and the third pipeline, and the fourth pipeline is quartered by three joints along the length direction of the fourth pipeline and the three joints are formed by the fourth pipeline jointed with the second pipeline, the third pipeline and the sixth pipeline respectively and the tail end of the fifth pipeline, the tail end of the sixth pipeline and the tail lend of the seventh pipeline are perpendicularly communicated with an air cooler header and quarter the air cooler header. The pipeline configuration structure has the advantages that phenomena of multi-phase flow erosion corrosion, deposition and blockage of ammonium salt and under-deposit corrosion due to uneven distribution of flow parameters of existing air cooler tube bundles can be reduced, unintended shutdown accidents are reduced, and the safe operation cycle of the air cooler system for the hydrogenation reaction effluents is prolonged.

The invention discloses an anti-eddy current inclined conveying type industrial material mixer and its working method, comprising a base, a mixing box, a material mixing unit, a material conveying unit and a material vibrating device; the mixing box is set in an inclined state supported by the base; The conveying unit corresponds to the material inclined conveying unit one by one, and the two form an L-shaped material conveying steering structure; the vibrating rod is located at the inner high end of the mixing box; the material rotating stirring part of the material mixing unit rotates to stir the industrial materials in the mixing box, and the two Two L-shaped material conveying and steering structures transport the industrial materials located at the short end of the mixing tank to the high end of the mixing tank through L-shaped conveying tracks. The inner bottom of the box rolls down inclined. The invention can prevent the vortex phenomenon from occurring in the stirring process of the industrial materials, and ensure the thoroughness and uniformity of the stirring of the industrial materials.

The invention discloses a seawater distributor for an open rack vaporizer and a use method. The seawater distributor is arranged on the top of a plate type tube bundle of the open rack vaporizer, and comprises a water inlet tube (1), a seawater tank (2), a first-stage buffer housing (4), a second-stage buffer housing (5), a third-stage buffer housing (6), a buffer plate (7), a distribution plug board (8), an overflow plug board (10), a rectangular flow-through port (11) and a flow guide plate (13), wherein the seawater tank is divided into a buffer region (3), a distribution region (9) and an overflow region (12) by the overflow plug board and the distribution plug board; the buffer region is not communicated with the overflow region, so that a vortex phenomenon or larger fluctuation produced by seawater in the buffer region can be effectively avoided to guarantee that the seawater in the overflow region is in a stable state; thus, the seawater is uniformly and naturally overflown to the surface on the top of the plate type tube bundle of the open rack vaporizer to form a stable seawater liquid film by using the seawater fall in the distribution region and the overflow region and under the cambered guidance of the flow guide plate.

The invention discloses a low-energy air purification system. The low-energy air purification system comprises an intake filtering unit, an air return channel, a first blade wheel, an air return filtering unit and electrostatic dust collection devices, wherein a first flow equalization device is transversely arranged at the lower end of the intake filtering unit; the air return channel is arranged in the indoor side wall; the first blade wheel is transversely arranged between the intake filtering unit and the first flow equalization device, a center rotary shaft of the first blade wheel penetrates an indoor ceiling upwards and is connected with a drive mechanism, and a bottom channel is transversely arranged at the indoor bottom; an intake opening of the air return filtering unit communicates with the indoor bottom space, and an air outlet of the air return filtering unit communicates with the bottom channel; and the electrostatic dust collection devices are arranged in the portion, on the two sides of the air return filtering unit, of the bottom channel, an inlet of each electrostatic dust collection device communicates with the bottom channel, and an outlet of each electrostatic dust collection device communicates with the bottom of the air return channel. The low-energy air purification system solves the technical problem that energy consumption is too high by means of an existing air purification system.