53results about How to "Play the role of rectification" patented technology

The invention relates to a cyclone-type waste plastic crushing, sorting, and washing system. Along a material delivery direction, the system comprises the following components arranged sequentially: a crusher used for crushing waste plastic, a flotation tank used for sorting waste plastic pieces according to density differences of flotation medium and the waste plastic pieces; and one or more than two serially connected cyclone sorting and washing devices used for carrying out cyclone sorting and waste plastic piece washing through a fluid medium. The invention also relates to a cyclone-type waste plastic crushing, sorting, and washing method. According to the system and the method, the structure is simple, waste plastic treatment process continuity and automation are realized, treatment efficiency and treatment effect are effectively improved, and waste plastic automatic sorting and washing are realized. The system and the method belong to the technical field of waste plastic recovery.

The invention provides a thruster of a hydrogen-oxygen catalytic ignition mini rocket, comprising a catalytic ignition device and a combustor device, wherein the catalytic ignition device comprises an end socket, a catalytic cylinder and a catalytic cylinder baseplate; and the combustor device comprises a graphite lining, a graphite precombustion chamber, a precombustion chamber sleeve, a nozzle steel jacket and a tungsten-doped copper nozzle. The thruster is used for realizing hydrogen-oxygen catalytic ignition which can be used for realizing the purpose of repeated ignition. Hydrogen inletsare uniformly distributed at the back semi-section of the combustor in the thruster in the circumferential direction, thus adjusting the hydrogen-oxygen mixing ratio and achieving an afterburning effect. The thruster is simple in structure and ensures that parts can be disassembled and replaced easily.

The invention discloses an electrically-assisted heating device of an air conditioner, which is arranged at the upper side of an air outlet of a spiral case fan in a shell of an indoor unit of the air conditioner. The electrically-assisted heating device is in a grid type structure consisting of a plurality of electric hot plates and a plurality of fins which are longitudinally and horizontally crossed vertically and is provided with quadrate through holes. The electric hot plates are horizontally arranged at intervals, and the fins are longitudinally arranged at intervals so as to form the grid type structure. In the electrically-assisted heating device of the air conditioner, the electrically-assisted heating device is made into the grid type structure so as to play the role of rectification, and airflow coming out of the spiral case of the fan can exchange heat sufficiently and evenly with the electrically-assisted heating device. Meanwhile, because the electrically-assisted heating device is provided with a grid hole, impact noise generated by the indoor unit of the air conditioner due to the electrically-assisted heating device is completely avoided.

The invention discloses a novel piezoelectric valveless micromixer, which comprises a pump body and an upper matrix fixed above the pump body. A piezoelectric vibrator is fixed right above a matrix pump cavity; the pump body is provided with a pump inlet mixing unit, a pump body cavity, an outlet mixing unit and an outlet buffer cavity; a pump inlet one and a pump inlet two are communicated with the inlet mixing unit; the inlet mixing unit is communicated with the pump body cavity; the pump body cavity is communicated with the outlet mixing unit; the outlet mixing unit is communicated with an outlet buffer cavity; the outlet buffer cavity is communicated with a pump outlet; the pump body cavity is communicated with the matrix cavity; the inlet mixing unit and the outlet mixing unit are both composed of (i) n (/i) basic mixing units, which are connected smoothly end to end; and the contour of a horizontal axis section of a single basic mixing unit comprises four logarithmic spiral lines and straight lines, wherein the four logarithmic spiral lines have a same pole shank. The mixing unit comprising logarithmic spiral lines is merged into the piezoelectric pump as a system for conveying the mixed fluid, and has low power consumption and simple structure.

The invention discloses a range hood. The range hood comprises an exhaust fume collecting hood and an exhaust fume gathering component, wherein a main air inlet is formed in the exhaust fume collecting hood; and an exhaust fume collecting cavity is formed inside the exhaust fume collecting hood. The range hood is characterized in that the exhaust fume gathering component comprises a first exhaustfume gathering plate and a second exhaust fume gathering plate; the first exhaust fume gathering plate is arranged at the left side of the exhaust fume collecting hood; the second exhaust fume gathering plate is arranged at the right side of the exhaust fume collecting hood; a first auxiliary air inlet is formed in the bottom of the first exhaust fume gathering plate; a second auxiliary air inletis formed in the bottom of the second exhaust fume gathering plate; the first auxiliary air inlet and the second auxiliary air inlet are in communication with the exhaust fume collecting cavity; and the first exhaust fume gathering plate and the second exhaust fume gathering plate can be in a closed state in which the corresponding auxiliary air inlets are located inside the exhaust fume collecting hood, and in the expanded state in which the corresponding auxiliary air inlets are at least partially located outside the exhaust fume collecting hood.

The invention discloses a fuel assembly blending screenwork with rectifying type blending wings. The fuel assembly blending screenwork comprises an outer strip and a plurality of inner strips, wherein the plurality of inner strips are intercrossed to form a grid structure, the grid structure is provided with a plurality of hollow grid units, the outer strip surrounds the periphery of the grid structure and is fixed together with the inner strips, the grid structure is provided with a plurality of blending wings, the blending wings are stretched into the grid units, and flow guide grooves are formed in the surfaces, facing to the interiors of the grid units, of the blending wings. The fuel assembly blending screenwork disclosed by the invention can be used for reducing the shunt phenomenon of a coolant towards the left and right sides of the blending wings, limiting the irregular flow of the fluid, playing a rectifying function and ensuring that the blending wings are used for improving the thermal balance effect of the fuel assembly.

The invention relates to an elevator device. The elevator device comprises flow division components (118, 128) which are arranged on the upper and lower sides of a cage (112) for inducing an air flow, wherein the tops of the flow division components are smaller than the bottoms; the front surfaces of the flow division components towards a landing door (108) are vertical surfaces, left and right surfaces are provided with lateral inclined parts extending from the middles of the tops to the two sides of the bottoms, and the rear surfaces are provided with rear inclined parts extending from the front spaces of the tops towards the rear sides of the bottoms. The flow division component on the upper side of the cage is fixedly arranged at a position on a traction rope (116) with the top facing upwards where the flow division component does not conflict with a traction wheel (114), and the size of the horizontal projection of the flow division component is smaller than a floor rope hole (106) in a machine room floor (104). The flow division component on the lower side of the cage is fixedly arranged on a compensation rope (126) with the top facings downwards. Thus, the elevator device can achieve the effects of air rectification and noise reduction with low cost under the condition that the height of a well is not increased and the load of the elevator device is not greatly increased.

The invention provides an experimental testing device for a flow field effect of a flow control technology under a limited channel condition. The experimental testing device comprises a contraction section, a rectification section, a replaceable testing section and a tail section which are sequentially connected to form a fluid flow area, wherein the contraction section adopts an expansion reducing structure, and the inner diameter of the contraction section is increased along with the flow direction; a rectification device is arranged in the rectification section; two ends of the replaceabletesting section are respectively connected with the rectification section and the tail section through quick release flanges; a CCD (Charge coupled device) camera is arranged at the upper part of thereplaceable testing section and is used for carrying out visual shooting on an experiment; the replaceable testing section comprises adjustable wall surfaces, a bluff body, a partition plate and a quick release plate, the adjustable wall surfaces are arranged at two sides of the bottom in the replaceable testing section, and the width parameter of the replaceable testing section can be changed byadjusting the placing positions of the adjustable wall surfaces; and the bluff body and the partition plate are arranged on the quick release plate and are placed in a flow channel through the detachable connection of the quick release plate and the replaceable testing section. The experimental testing device provided by the invention has the advantages of simplicity in disassembly and maintenance, easiness in adjusting structural parameters, high experimental efficiency, accurate experimental result and the like.

The invention provides an agricultural seeder provided with a seed premixing, separating and conveying device and belongs to the field of automated equipment of agricultural cultivation machinery. The agricultural seeder is characterized in that the agricultural seeder further comprises a sowing mechanism, the sowing mechanism comprises a seed cabin, a powder cabin, a material mixing cabin, a seed separation cabin and a sowing wheel, the seed cabin and the powder cabin are communicated with the material mixing cabin through material guide pipes, and the material mixing cabin is connected with the sowing wheel through the seed separation device; the material mixing cabin is in a hollow sphere shape, and a spiral material mixing strip hole is formed in the material mixing cabin. According to the agricultural seeder, the seeds and medical powder can be evenly and stably stirred in advance, materials can be sorted and separated timely, the seeds can be separated from one another in the sowing process, the sowing success rate is greatly raised, and powerful guarantee is provided for agriculture income increase.

The invention relates to a range hood. The range hood comprises an exhaust fume collecting hood, a first oil guide plate, a second oil guide plate, an oil cup and a third oil guide plate; the exhaust fume collecting hood is provided with an exhaust fume collecting cavity and an air inlet, the first oil guide plate is arranged in the exhaust fume collecting cavity, is located at the front part of the exhaust fume collecting hood, and is obliquely arranged backwards from top to bottom, and the second oil guide plate is arranged in the exhaust fume collecting cavity, is located at the rear part of the exhaust fume collecting hood, and is obliquely arranged backwards from top to bottom; the oil cup is arranged, and the third oil guide plate is arranged in the exhaust fume collecting cavity, is obliquely arranged backwards from top to bottom, and is used for receiving oil dripping from the first oil guide plate and guiding the oil to the second oil guide plate; and the third oil guide plate, the first oil guide plate and the second oil guide plate jointly divide the exhaust fume collecting cavity into a first cavity corresponding to the upstream of the exhaust fume flowing direction and a second cavity corresponding to the downstream of the exhaust fume flowing direction, and the front side and the rear side of the third oil guide plate are provided with a first air suction opening and a second air suction opening. Through the cooperation of all the oil guide plates, the purpose of guiding the oil can be achieved, the exhaust fume flowing path can be changed, exhaust fume is rectified, and then the oil fume suction effect is improved.

The invention relates to a heat exchanger water sprinkling device. The heat exchanger water sprinkling device comprises a shell assembly and a water receiving plate which is disposed on the shell assembly and used for collecting water. When the amount of water entering the water receiving plate is larger than the capacity of the water receiving plate, the water in the water receiving plate can overflow from the edge of a plate opening of the water receiving plate to a heat exchanger. The water receiving plate in the heat exchanger water sprinkling device can achieve the effects of water collecting and rectifying, firstly, the water is gathered in the water receiving plate, after the water receiving plate is full of the water, and the water can uniformly overflow from the edge of the plateopening and then are uniformly sprinkled onto the heat exchanger, so that the problem that non-uniform distribution of water on the heat exchanger causes low utilization ratio of water and incompleteheat exchange of water and heat exchanger is solved.

The invention discloses a high-control premixing advancing type agricultural seeder, and belongs to the field of mechanical automation equipment for agricultural farming. The high-control premixing advancing type agricultural seeder is characterized in that a walking mechanism, a material mixing bin, a seed separating device and a seeding wheel are included, and the material mixing bin is connected with the seeding wheel through the seed separating device; the material mixing bin is shaped like a hollow sphere, and helical material mixing strip holes are formed in the material mixing bin; the material mixing bin is driven by a stirring-mixing drive device to rotate. The high-control premixing advancing type agricultural seeder can freely advance under the rugged mountain road condition, seeds and pesticide powder can be uniformly and stably stirred in advance through the agricultural seeder, and finishing and material separating can be performed in time, so that the seeds are clear when seeding is performed. The high-control premixing advancing type agricultural seeder also has the advantages that a conveying switch of the seeds can be accurately controlled to work, not only is seeding while advancing achieved, but also the seeding work can be immediately stopped without needing to stop advancing in the stirring and mixing process, and use is more flexible and convenient. Accordingly, the seeding success rate is greatly increased, and a strong guarantee is supplied to agricultural income increasing.

The invention provides an advancing wheel type seeding machine for material premixing and distribution and belongs to the field of automatic mechanical equipment for agricultural cultivation. The advancing wheel type seeding machine for material premixing and distribution is characterized by further including a mixing silo, a seed distributing device, a seeding wheel and a walking mechanism, wherein the mixing silo is connected with the seeding wheel through the seed distributing device and is in a hollow sphere shape, and spiral material-mixing strip-shaped holes are formed in the mixing silo. The mixing silo is driven to rotate by a stirring-mixing driving device. The advancing wheel type seeding machine can freely perform advancing operation on rugged mountain land, can further evenly stir seeds and medicine powder in advance, independently deliver the seeds one by one and perform automatic seeding, greatly improves the seeding success rate and provides powerful guarantee for agricultural income increase.

The invention provides an auxiliary transformer cabinet draught fan comprising a machine shell assembly, an air inlet, an impeller, an air outlet and a power source. The machine shell assembly is of abox-shaped shell structure formed by a machine shell cover plate, machine shell side plates and a machine shell bottom plate. An installation opening used for installing the air inlet is formed in the machine shell cove plate. At least two air outlets are formed in the machine shell bottom plate. The windward side of the air inlet is an arc-shaped face. The impeller is arranged in the box-shapedshell structure and is of a backward centrifugal type impeller structure. The impeller comprises a front wheel disc and blades. The surface of the end, close to the air inlet, of the front wheel discis an arc-shaped face. The blades are arc-shaped blades. When the draught fan is applied, the effect that the structure is simplified is achieved. By means of the unique design of the four parts, namely, the machine shell assembly, the air outlet, the air inlet and the impeller, the internal flow field of the draught fan can be well optimized, gas flow can be smoother, the overall work efficiencyof the auxiliary transformer cabinet draught fan can be better improved, generation of eddy noise can be well reduced, and the aims of energy conservation and noise reduction are achieved.

The invention relates to the technical field of floating power generation devices, and discloses a floating power generation device comprehensively utilizing ocean renewable energy. The floating powergeneration device comprehensively utilizing the ocean renewable energy comprises a floating pipe body, a fixed supporting plate and fan blades, the fixed supporting plate is fixedly installed on theinner wall of the floating pipe body, a double-head power generator is fixedly installed in the middle of the fixed supporting plate, a rotating long rod is arranged on the left side of the double-head power generator, and a flow guide cone is fixedly installed at one end, away from the double-head power generator, of the rotating long rod. According to the floating power generation device comprehensively utilizing the ocean renewable energy, the double-head power generator is arranged, the number of the power generators is increased by one on the original basis, an output shaft of the additionally-arranged power generator is connected with the flow guide cone, through arrangement of the flow guide cone, on one hand, the flow guide cone can bring extra power output to the newly-added powergenerator in the rotating process, and therefore the generating capacity can be improved; and on the other hand, the flow guide cone can throw out sundries attached to the flow guide cone in the rotating process, and the electricity generation amount is guaranteed.