20results about How to "Reduce wind speed" patented technology

The application discloses a kind of for tantalum niobium tailings in tin metal recovery's synergistic treatment system, specifically related to metallurgical solid waste resource utilization technical field, acoustic-electricity perception pre-agglomeration module exports pre-agglomeration probability index according to pre-agglomeration threshold value;Heat resistance chromatography module exports the temperature field and fluidized void fraction distribution of suspected agglomeration area;Inhibiting ingredient self-adapting module calculates inhibitor addition rate according to distribution;Wind material decoupling adjustment module exports decoupled wind speed and feed rate set value according to addition rate and bed pressure drop;Chain negative feedback blocking module detects pressure drop deviation to generate feedback correction, superimposed to wind speed set value and reversely adjust feed rate set value, while used to update pre-agglomeration threshold value;The application realizes the online identification of agglomeration precursor, accurate danger area precision inhibiting and the closed-loop cooperation of wind material decoupling, inhibits the nonlinear deterioration of coking loss flow, makes tin recovery rate keep stable when tailings fluctuation, and reduces inhibitor consumption and manual intervention.

The invention relates to a refrigerating system and refrigerating equipment. The refrigerating system comprises a heat dissipation device, and a water storage device, an atomization device and a condensation device which are communicated in sequence, wherein the water storage device is used for inputting a water source to the atomization device; the atomizing device is arranged on one side of the condensing device and used for atomizing a water source into water mist and spraying the water mist to the condensing device; the heat dissipation device is used for providing wind power for the condensing device for heat dissipation. By means of the arrangement, water mist and air are mixed to form humidifying cooling airflow, the humidifying cooling airflow can remarkably improve the surface heat exchange efficiency of the condensing device, the influence of the environment temperature on the heat dissipation effect of the condensing device is reduced, the heat dissipation effect of the condensing device is improved under the working condition of the condensing device with the same size, and therefore the refrigerating time of a refrigerating system is shortened, and the refrigerating efficiency is improved. The refrigeration efficiency is improved.

The invention discloses a novel lithium iron phosphate roasting device, and particularly relates to the technical field of battery positive electrode materials, the device comprises a lithium iron phosphate kiln, a stock bin and a heat exchanger, the inner part of the inner kiln is provided with a material lifting mechanism for improving the material heating time and speed; one end of the lithium iron phosphate kiln is provided with a piston material pushing device which enables materials to be conveyed in an integral pushing mode, through the design of the material lifting mechanism and the intermittent material lifting plates in the inner kiln, it is guaranteed that the materials move forwards in a spiral pulsation mode, and meanwhile the material contact area is increased; the staying time of materials in the kiln can be prolonged, the heating time and the heating speed of the materials are guaranteed, the structural stability of the high-temperature barrel kiln body and the movement mixing of the materials can be enhanced through the spiral belt type intermittent guide plates, the heat transfer efficiency is effectively improved, meanwhile, in the flowing process of gas in the barrel, the air speed of the wall face of the barrel is reduced, and raised dust is greatly reduced; and the probability that the material which is not fully heated escapes in a flying dust form is reduced.

The anti-oxidation laser processing method for the solar cell comprises the steps that a semi-finished solar cell product is moved to a processing station, and a to-be-processed surface faces upwards; at least providing a protective gas flow field on the to-be-processed surface so as to isolate the to-be-processed surface from being in contact with air; and laser penetrates through the protective gas flow field to scan the to-be-machined surface according to a preset pattern, and machining is completed. Through the method, the protective gas flow field is formed on the to-be-processed surface of the solar cell semi-finished product, a protective gas atmosphere is provided for laser processing, and the technical problem of oxidation of a processing layer or a film layer adjacent to the processing layer caused by laser processing in the prior art is solved.

The utility model relates to the technical field of ventilating ducts, and discloses a ventilating duct with a noise reduction function, which comprises a ventilating duct box, one end of the ventilating duct box is fixedly provided with a connecting frame, one end of the connecting frame is fixedly provided with a sealing groove, one end of the ventilating duct box is fixedly provided with an air inlet duct, and the other end of the ventilating duct box is fixedly provided with an air outlet duct. A wind limiting protruding block is fixedly arranged in the air inlet pipeline, a supporting block is fixedly arranged at one end of the wind limiting protruding block, a noise reduction structure is fixedly arranged in the ventilation pipe box, and a mounting structure is fixedly arranged on the upper side of the ventilation pipe box. According to the ventilation pipeline with the noise reduction function, by improving the ventilation pipeline, the speed reduction and noise reduction capacity of the ventilation pipeline is improved, in the actual use process of the ventilation pipeline, the air speed in the ventilation pipeline can be reduced according to needs, and sound absorption and noise reduction of the ventilation pipeline are facilitated; and the noise reduction effect of the ventilation pipeline with the noise reduction function is improved.

The application provides an air outlet assembly installed in a shell assembly of an air conditioner, which comprises an air duct mounting body and a fan assembly installed on the air duct mounting body, and an installation space assembly is arranged on the air duct mounting body, wherein the installation space assembly comprises a first installation space, a second installation space and a third installation space, and the center lines of the first installation space, the second installation space and the third installation space form a triangular structure. Compared with the prior art, the air outlet assembly has the advantages that: on the one hand, the triangular structure has stability, and the structural stability of the air conditioner is improved; on the other hand, the overall gravity center of the air conditioner is lowered, and the air conditioner is not prone to accidental tipping or unstable placement, and the structural stability of the air conditioner is further improved; in addition, a triangular air outlet form is formed, so that the air distribution effect without wind feeling is improved, and the comfort of the air conditioner is improved.

This application provides a coupled sand control and ecological restoration system and its construction method, relating to the fields of ecological environment restoration and sand control technology. The system includes: multiple vertically installed power generation components, arranged along the prevailing wind direction of the area to be restored, with the light-receiving surface of the power generation components perpendicular to or at an acute angle to the prevailing wind direction; sand-blocking components, laid on the surface of the area to be restored, with different laying angles at different locations within the area; and vegetation planted on the ground between the power generation components, and in the area below and / or around the sand-blocking components. This method aims to significantly improve the sand control effect, system stability, and resource utilization efficiency in desertified areas.

The utility model discloses an earphone, and belongs to the technical field of earphones. The earphone comprises a shell, a pickup assembly and a wind shielding piece, the shell is provided with a containing cavity and a pickup hole, the containing cavity is communicated with the pickup hole, the pickup assembly is arranged in the containing cavity, the wind shielding piece is arranged in the containing cavity and located on the side, close to the pickup hole, of the pickup assembly, and the surface of the side, close to the pickup hole, of the wind shielding piece is a concave surface. And the opening direction of the concave surface faces the pickup hole, so that the concave surface can change the direction of air flow entering the accommodating cavity through the pickup hole. The earphone can reduce wind noise.

The utility model discloses an air conditioner, the air conditioner includes: box, heat pump assembly and fan assembly, heat pump assembly and fan assembly are installed in the inside of box, heat pump assembly includes first evaporator, first circulation pipeline, second evaporator and second circulation pipeline, first evaporator and second evaporator are arranged to form mirror symmetry structure with V type, and fan assembly is set up in the opening side of first evaporator and second evaporator V type structure, one end of first circulation pipeline is connected to first evaporator, and the other end of first circulation pipeline extends to the outside of box, one end of second circulation pipeline is connected to second evaporator, and the other end of second circulation pipeline extends to the outside of box, and the opposite side of first evaporator and second evaporator of box is provided with first air inlet and second air inlet respectively. The air conditioner can increase effective heat exchange area in the limited box space through the first evaporator and second evaporator of V type arrangement.

The invention relates to a fender maintenance cover and a motorcycle, the fender maintenance cover comprises a top edge, a bottom edge, a first side edge and a second side edge, and the top edge, the first side edge, the bottom edge and the second side edge jointly define an air inlet; the air inlet comprises a middle air inlet area, a first side air inlet area, a second side air inlet area and a bottom air inlet area; first grid strips are arranged in the middle air inlet area and extend in the horizontal direction; the first side air inlet area is provided with a second grating strip, and the second grating strip is parallel to the second side edge; the second side air inlet area is provided with a third grating strip, and the third grating strip is parallel to the second side edge; the bottom air inlet area is provided with fourth grid strips, and the fourth grid strips are obliquely arranged in the direction from the air inlet side to the air outlet side of the fender maintenance cover and gradually close to the bottom edge. The fender maintenance cover can improve the air inlet amount and the air inlet uniformity of the radiator.

The utility model belongs to the technical field of flue gas desulfurization, and particularly relates to a flue gas pretreatment device of a desulfurization tower, which is arranged in a flue gas inlet pipeline of the desulfurization tower, a spraying layer and a demister are sequentially arranged in the flue gas inlet pipeline along the flow direction of flue gas, and a backwashing pipe is arranged between the spraying layer and the demister. The back washing pipe is connected with a washing spray head, the washing spray head is arranged towards the demister and is used for washing the demister, the spraying layer comprises a spraying pipeline and a plurality of first spray heads, the spraying pipeline is connected with the plurality of first spray heads arranged in the flue gas inlet pipeline, and the spraying pipeline is connected with a circulating pump. According to the utility model, the flue gas is subjected to water spraying treatment in the flue gas inlet pipeline, and the demister is arranged, so that the air speed is reduced, the flue gas pressure is stabilized, large particles in the flue gas are removed, the pressure of the desulfurization tower is relieved, and the desulfurization efficiency is improved.

The wine cabinet comprises a cabinet body, the cabinet body is provided with a cabinet door capable of being opened and closed, a refrigeration assembly is installed in the cabinet body, the bottom, the back and the top of the cabinet body are provided with a bottom air channel, a back air channel and a top air channel which are communicated respectively, the two ends of the bottom air channel are wide, the middle of the bottom air channel is narrow, and the overall width of the back air channel is consistent. The top air duct is in a trapezoid shape with a narrow rear end and a wide front end, the front end of the top of the cabinet body is provided with a protective cover used for containing electronic accessories, the protective cover enables the top air duct to be of a Y-shaped structure, when air passes through the bottom air duct, the air speed is increased from large to small, and the air inlet amount is increased. And finally, through the Y-shaped top air duct, airflow vortexes can be reduced, noise can be lowered, airflow movement is optimized through reasonable air duct design, and the temperature adjusting efficiency and the use experience are improved.

The application discloses a building energy consumption precise regulation and control system and method based on multi-factor dynamic correlation and nonlinear modeling, belongs to the technical field of energy consumption regulation and control, and comprises a data acquisition module, which is used for acquiring relevant data of a target building, the relevant data comprising air conditioner power consumption and lighting, and generating a database corresponding to the target building according to the relevant data; and a data processing module, which is responsive to the database and is used for processing the relevant data in the database, the data processing module comprising a distinguishing unit and a feature extraction unit. Through technical means such as refined sub-metering, dynamic correlation of environmental and personnel factors, nonlinear heat load modeling and multi-monitoring-point temperature transmission analysis, the application realizes precise prediction and dynamic regulation and control of building energy consumption, and significantly improves energy-saving efficiency.

The application relates to the technical field of building construction equipment, in particular to a base layer and waterproof coating rapid drying device for waterproof construction, which comprises a cart, a heating box is fixedly connected to the left end of the cart, a heating plate is fixedly connected to the bottom end of the heating box, a gas injection box is fixedly connected to the right side wall of the heating box, and a pumping assembly is used for pumping hot air in the heating box into the gas injection box so that the gas injection box sprays hot air on the road surface and accelerates the drying of the waterproof layer; the arc-shaped drainage plate and the arc-shaped baffle are arranged, on one hand, the air in the heating box is heated to provide a hot air source for the gas injection box, and on the other hand, the air above the position of the mortar is heated to increase the air temperature, so that the wet mortar is dried, the surface of the mortar is solidified, the flowability of the mortar is reduced, and the problem that the thickness of the waterproof layer is uneven when the hot air blows the mortar is reduced.

The utility model relates to the field of copper clad plate gluing and drying, especially to a copper clad plate gluing and drying device. It comprises a feeding roll, a material receiving roll and a drying box. A first gluing roller and a second gluing roller are horizontally arranged on one side below the feeding roll, and the first gluing roller and the second gluing roller extend into a gluing groove. The material receiving roll is arranged on one side above two limiting transmission rollers. Electronic glass fiber cloth is sequentially immersed in the gluing groove through the first gluing roller and the second gluing roller from the feeding roll. The feeding roll and the material receiving roll are driven to rotate by a motor. The device uses negative pressure to form an air duct for drying. The opening of the air outlet faces downward, and the arc-shaped air outlet guide surface on one side can make the air outlet larger, so that the air speed of the air duct is smaller. The air inlet groove is provided with multiple air inlets, and the shape of the air inlet groove is an arc that curves upward. Hot air that goes out of the air inlet groove will be guided to move obliquely upward. The multiple air inlets can not only prevent the hot air from being directly blown but also make the drying process more gentle.

The utility model discloses a kind of grass double-line one-belt type wind-preventing sand-fixing structures, it is related to wind-preventing sand-fixing technical field, including outer frame, the inside of outer frame is provided with inner frame, the inner frame and outer frame are two, two The herb zone is jointly connected between the outer frame, the middle position of the inner frame inside is provided with planting frame, the inside of herb zone is provided with compost area, sand barrier area is provided between the outer frame and inner frame, the four sides of the inner frame and outer frame are all penetrated and set up a plurality of through holes, the spacing between the inner frame and outer frame is thirty centimeter, the width of outer frame is one meter.The utility model is provided with a series of structures, reduces sand-fixing afforestation cost, implements low-density sand-fixing afforestation, improves construction efficiency and quality controllability, reduces the cost and interference of multiple construction, the porous ceramic material used can be naturally weathered and degraded after service life, paper core uses biodegradable material, without recycling, no secondary pollution.

The utility model belongs to the technical field of cyclone dust collectors, and particularly relates to a cut-off type wear-resistant conical cylinder structure of a cyclone dust collector, which comprises an upper conical cylinder body and a lower conical cylinder body which are coaxially arranged up and down, a ceramic wear-resistant layer is adhered to the inner wall of the lower cone cylinder, and the surface of the ceramic wear-resistant layer is smooth; the upper cone cylinder and the lower cone cylinder are connected through a second flange structure to form a detachable and separable complete cone cylinder structure, and the bottom of the lower cone cylinder is connected with a discharging valve through a first flange structure. According to the technical scheme, the problems that a traditional conical cylinder is prone to abrasion, troublesome to replace and difficult to maintain are solved, and practicability and economical efficiency are both achieved.

The utility model discloses a dustproof noise reduction automobile air channel relates to automobile parts technical field, and it is connected with the air inlet pipe head in the air inlet end of air channel pipe body, the inside installation of air inlet pipe head has first dust screen and second dust screen, the mesh diameter of second dust screen is less than the mesh diameter of first dust screen, the middle part of first dust screen and second dust screen is all set to concave hemispherical shape, the inner wall of air channel pipe body is provided with sound absorption bubble cotton layer, one side of sound absorption bubble cotton layer is set in wave type away from the inner wall of air channel pipe body, the inner wall of air channel pipe body is fixed with a plurality of convex post, and the convex post is nested in sound absorption bubble cotton layer. The utility model can effectively intercept the impurity in air, and the air inlet pipe head is convenient to disassemble and clean, and the setting of sound absorption bubble cotton layer in air channel pipe body can effectively disperse the air direction, reduce the wind speed, reduce the sound frequency, thereby reduce the pneumatic noise in air channel pipe body.

A method for operating a wind turbine is disclosed, wherein said wind turbine comprises a rotor having at least one rotor blade with a rotor blade surface and an icing detection device for detecting an icing condition for the rotor blade and / or for detecting the presence of icing on the rotor blade. Further, a controller configured for controlling a rotational speed of the rotor can be provided. The method comprises the steps of monitoring, via the controller and / or via the icing detection device, whether an icing condition for the rotor blade is present and / or if icing on the surface of the wind turbine is present, thus, that ice has been generated on the surface. If an icing condition is detected, or if it is detected that ice has generated on the surface of the rotor blade, the wind turbine is operated further according to a de-rated icing-mode having a reduced rotational speed, in particular while maintaining a generation of electrical energy by a generator of the wind turbine.