12results about How to "Improve the perturbation effect" patented technology

The utility model relates to powder conveying technical field, and disclose a kind of tubular transmission mechanism of powdery material with vibration function, including conveying pipe, displacement device, vibration ring, vibration ring is slidably installed in the outer periphery of conveying pipe, and vibration ring is driven to reciprocate along the axis direction of conveying pipe by displacement device, the inner wall of vibration ring is provided with the multiple vibration components of circumferential uniform distribution, and vibration is transmitted to powdery material by dynamic knocking of vibration component to the outer wall of displacement device.The utility model drives vibration ring to reciprocate along the axis of conveying pipe by displacement device, simultaneously, vibration component of vibration ring inner wall carries out circumferential dynamic knocking to pipe wall, and forms the unblocking mode of "global coverage+multiple point vibration", when conveying strong viscosity milk powder, vibration frequency can reach 0-100Hz, can effectively break powder bridging, reduce pipeline blockage rate, solve the problem of poor conveying caused by powder adhesion, caking.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

The present disclosure relates to a variable aircraft. One of the first fixed wing and the second fixed wing is fixedly connected to the left side of the fuselage, and the other is fixedly connected to the right side of the fuselage; one end of the first connecting rod is hinged to the first fixed wing, and the other end is hinged to the first movable wing; one end of the second connecting rod is hinged to the second fixed wing, and the other end is hinged to the second movable wing; the directions of the hinged shafts are consistent with the longitudinal axis of the fuselage; the first movable wing and the second movable wing can be switched to the cross-wing configuration under the action of aerodynamic force and roll torque, in which the first movable wing is connected to the fuselage at one end and suspended at the other end, and the second movable wing is connected to the fuselage at one end and suspended at the other end; the first fixed wing, the first movable wing, the second fixed wing and the second movable wing are arranged in sequence around the longitudinal axis of the fuselage, the first fixed wing and the second fixed wing are opposite to each other, and the first movable wing and the second movable wing are opposite to each other.

The application discloses a high-efficiency carbon fixation microalgae breeding device, and relates to the technical field of carbon fixation microalgae breeding.The device comprises an elongated pool, a partition plate is arranged at the middle position of the elongated pool, so that a loop-shaped channel in the shape of a long strip is formed in the elongated pool, bottom plates are arranged in the two parallel straight channels of the loop-shaped channel, the upper surfaces of the bottom plates are arranged in an inclined manner, and the inclined directions of the two bottom plates are opposite.Two liquid lifting mechanisms are arranged at the high end positions of the two bottom plates respectively, and are used for lifting the algal liquid in the loop-shaped channel to the high end of the bottom plate, so that the algal liquid flows downward along the upper surface of the bottom plate automatically.Two groups of disturbance mechanisms are arranged on the upper surfaces of the two bottom plates.The algal liquid is driven to form a turbulent state by the bidirectional inclined bottom plates, the liquid lifting mechanism and the disturbance mechanism, the problems of surface light inhibition and bottom dark area are reduced, and the light energy utilization efficiency of the microalgae is improved significantly.

The utility model discloses a biochemical diagnosis reagent mixing device relates to diagnosis reagent production technical field, the inside of shell body is equipped with mixing chamber, the lower part of shell body is equipped with the outlet of the mixing chamber, is equipped with the stirring shaft in mixing chamber, the middle section of stirring shaft is equipped with first fixed seat, the circumference of first fixed seat is equipped with a plurality of stirring vane, and is equipped with the fixed link between two adjacent stirring vane, one end of fixed link is connected with first fixed seat, and the other end of fixed link is connected with the conical fairing. Improved the homogeneity and efficiency of overall mixing.

The utility model provides a kind of superfast detection device of fluorescent quantitative polymerase chain reaction, it is related to molecular biology detection technical field, including: casing, the bottom position of the one side of the casing and the inside position of casing are equipped with firm plate respectively, the firm plate of bottom is equipped with first electric motor on one side, the bottom position of the firm plate of inside is equipped with third electric motor, the bottom position of casing is equipped with locating sleeve on the other side.Electric motor driven stirring sleeve simultaneously, synchronously stirs a group of reaction test tube, makes fluorescent quantitative polymerase chain fully mix in reaction test tube, the inside of stirring sleeve is provided with detection rod and the reaction of fluorescent quantitative polymerase chain is rapidly detected, the setting of an electric motor simplifies the drive structure and energy consumption of a group of stirring sleeve, detection rod, solves the problem that traditional integration structure is poor in adaptability, maintenance is complicated.

This application relates to an energy-saving continuous conveying furnace waste heat recovery system, belonging to the field of waste heat recovery. It includes a furnace body and a collection box, connected to the furnace body and the collection box via a flue pipe. The collection box is connected to an exhaust pipe, a liquid delivery pipe, and a liquid drain pipe. The heat exchange section between the liquid delivery pipe and the liquid drain pipe is located inside the collection box. A rotatable air guide plate is installed inside the collection box, located between the flue pipe and the heat exchange section. The flue pipe is connected to a variable frequency fan. A bucket-shaped flue hood is located at the connection between the flue pipe and the collection box. A flue plate with flue holes and a steering drive are rotatably installed inside the flue hood. The air guide plate consists of a mounting rod and air guide strips, with air guide grooves on the air guide strips. The heat exchange section is movably connected to the collection box and connected to the liquid delivery pipe and the liquid drain pipe via a flexible connecting pipe. A hanging rope hook on the top of the collection box is connected to a hanging ring on the heat exchange section. This application achieves the technical effects of effectively recovering waste heat, improving energy utilization efficiency, facilitating equipment maintenance, and adjusting airflow.

This invention belongs to the field of fuel cell thermal management technology, and particularly relates to a battery cooling system and its control method based on a microtube bundle heat exchanger and countercurrent collision jet atomization. The system includes: a fuel cell stack, a microtube bundle heat exchanger connected to the fuel cell stack via a coolant circulation loop, a cathode drainage recovery unit, and a countercurrent collision jet atomization unit comprising a fan and an atomizing spray module. The fan, atomizing spray module, and microtube bundle heat exchanger are arranged sequentially. The airflow direction generated by the fan rotation and the direction of the water mist sprayed by the atomizing spray module are opposite to each other, so that the water mist sprayed by the atomizing spray module initially moves towards the direction of the fan. After its speed decreases to zero, it is driven by the airflow generated by the fan to move in the opposite direction and flows through the gaps within the microtube bundle heat exchanger, serving as shell-side fluid to cool the tube-side fluid within the microtube bundle heat exchanger.

This invention discloses a perforated ribbed cooling structure and a turbine blade constructed therefrom. The novel perforated ribbed cooling structure includes ribs with a plurality of cooling holes formed on them. The length direction of the ribs forms a certain angle with the cooling flow direction. The turbine blade includes an outer surface, film cooling holes, impact holes, and a turbulence column array. The outer surface of the blade has the mid-section airfoil of an E3 blade. This invention enhances heat transfer on the blade surface and ensures a uniform temperature distribution, thereby guaranteeing normal operation of the turbine blade and extending its service life.

The application relates to the technical field of heat exchange, and discloses a heat exchange plate and a battery pack. The heat exchange plate comprises a first plate body, a second plate body and a flow disturbing piece. The first plate body has a first surface and a second surface arranged along the thickness direction, and the first surface of the first plate body is provided with a heat exchange flow channel; the second plate body is connected with the first surface of the first plate body, and the surface of the second plate body away from the first plate body is respectively provided with a first interface and a second interface in communication with the heat exchange flow channel; the heat exchange medium can be input from one end of the heat exchange flow channel through the first interface, and the heat exchange medium can be discharged from the other end of the heat exchange flow channel through the second interface; the flow disturbing piece is located in the heat exchange flow channel and extends along the heat exchange flow channel, the flow disturbing piece is made of a spiral wire, and the flow disturbing piece comprises a plurality of first flow disturbing sections and second flow disturbing sections. In the above manner, the mixing effect between different layers of heat exchange medium in the heat exchange flow channel can be improved, and the temperature of the heat exchange medium at each position in the heat exchange flow channel is more uniform.

The invention relates to the technical field of additive manufacturing equipment. The closed type environment-friendly charging and mixing device for ceramic 3D printing large-scale production comprises a base, a stirring bin, a stirring device and a top cover, the top cover and the stirring bin are closed to form a closed space, and the requirement for environment-friendly production is met. The stirring device is composed of a driving device, a movable device and an adjusting device, and the driving device, the movable device and the adjusting device cooperatively construct a multi-dimensional three-dimensional stirring flow field. The driving device provides double transmission power, the movable device achieves accurate power transmission and stirring track fine adjustment, and the adjusting device can flexibly adjust the stirring posture and the material contact range. Through multi-component linkage, ceramic powder is effectively prevented from sinking to the bottom and caking, the mixing requirements of materials with different viscosities are met, the material mixing uniformity and the production continuity are improved, the maintenance cost and the material waste are reduced, the structure is stable and reliable, the device is suitable for ceramic 3D printing large-scale production, and good practicability and popularization value are achieved.

The utility model discloses a frozen meat thawing device including thawing groove, thawing frame, first air -blowing subassembly second and air -blowing subassembly, be provided with water inlet and water outlet on the one side inner wall of thawing groove, thawing frame is the storage carrier of frozen meat, and the bottom center of thawing frame is provided with through -hole, thawing frame still evenly distributed with a plurality of first air -vent hole on, and first air -blowing subassembly is by air pump, breather pipe and first connecting unit, and the air -out end of air pump is communicated with the air -in end of breather pipe, and the air -out end of breather pipe is connected with first connecting unit, and first connecting unit is vertically set in the bottom center of thawing groove, second air -blowing subassembly includes air -blowing rod and second connecting unit, and the rod diameter of air -blowing rod is adapted with the through -hole aperture of thawing frame bottom, and air -blowing rod evenly distributed with a plurality of second air -vent hole, and second connecting unit is fixedly connected with air -blowing rod, and frozen meat thawing device passes through double -layer air -blowing subassembly, and the thawing efficiency and uniformity of frozen meat have been improved significantly.