70 results about "Windcatcher" patented technology

A method for the structural design and engineering of an offshore wind power generator unit hoisting platform is provided, which is characterized in that: a special barge is adopted to convey the offshore wind power generator unit and a self-elevating wind power generator unit hoisting platform to an offshore wind tower body that has been installed beforehand; elevate a hoisting platform (1) step by step to the top of the wind tower body; lock and elevate the hoisting platform (1) with the wind tower body (14); elevate a hoisting pallet (10) and the wind power generator unit (12) to the top of the wind tower body (14) and then displace them to the position right above the top of the tower body (14), overlap with a connecting center at the top of the tower body and then carry out connection and fixing; hoist a blade (13) to the to the top of the wind tower body (14); install the blade (13) on the generator unit. Finally, lower down the hoisting platform step by step and return it to the special barge to complete the hoisting operation.

A method of assembling a tower for use with a wind turbine is provided. The method includes providing a plurality of tower segments. Each tower segment includes a first interface and a second interface. The method also includes bonding the first interface of a first tower segment to the second interface of a second tower segment using an adhesive composition.

The invention discloses a ventilation, smoke discharge and evacuation system for an underwater single-tube double-layer shield traffic tunnel. The ventilation, smoke discharge and evacuation system comprises an upper-layer lane, a lower-layer lane, a jet fan and a wind tower. An axial flow fan is arranged in the wind tower. A sector space on one side face of a round shield section of the tunnel is an independent smoke discharge channel. An escape channel is arranged in a sector space on the other side of the round shield section of the tunnel. A staircase connected with the upper layer and the lower layer is arranged in the escape channel. An upper-layer front room is arranged between the staircase and a lower-layer escape door. A lower-layer front room is arranged between the staircase and an upper-layer escape door. Positive pressure fans are installed on the wall shared by the upper-layer front room and the staircase and the wall shared by the lower-layer front room and the staircase respectively. The upper end of the side wall of the tunnel is provided with an upper-layer smoke outlet and a lower-layer smoke outlet. The upper-layer smoke outlet and the lower-layer smoke outlet are respectively provided with an automatic smoke discharge fire damper. By means of the ventilation, smoke discharge and evacuation system, fire smoke can not diffuse between the upper layer and the lower layer, the visibility of the escape environment is good, the escape environment is not invaded by the smoke, personnel evacuation is efficient and quick, escape time is greatly shortened, personnel casualties are reduced, construction is safe, and later-period maintenance is easy.

Foundation system for towers, especially for onshore wind turbines, comprising a central shaft buried or partially buried, preferably hollow and formed by dowels made from precast concrete, an essentially flat lower slab and completely buried, and lateral support means in the form of inclined struts that are joined at their upper end with the central shaft and at its lower end with the lower slab, and that are preferably entirely buried. The wind tower is located on the partly buried main shaft. The foundation system may comprise other lower elements connected with the lower slab, such as radial ribs or peripheral beams. The struts are preferably prefabricated elements incorporating an efficient and economical connection system by pre-stressing. The foundation system maximizes the fraction of the weight of the foundation by gravity generated by soil or ballast material, allowing an important economy in the structural materials of the foundation.

The invention provides a method for obtaining distribution of wind resources capable of power generation. The method mainly comprises the following steps: step S10, obtaining historical wind speed data of previous six hours of each wind measuring tower; step S20, at each full hour time point, according to wind speed data correlation of the previous six hours, performing clustering on the wind measuring towers; step S30, assuming that there are n wind measuring towers at a wind power base, calculating a geographical distance Ri between a to-be-calculated point and all the wind measuring towers Ti(i=1,2, ..., N); step S40, finding a smallest wind measuring tower Ti(i=1,2, ..., N) of the Ri; step S50, according to calculation results in the step S20 and the step S40, determining other wind measuring towers in a group which a wind measuring tower Ti belongs to; and step S60, carrying out interpolation on selected wind measuring towers by use of an inverse distance weighting method to obtain wind speed and wind direction estimation values of known points.

The invention discloses an anemometer tower microcosmic site selection method based on a wind acceleration factor, and belongs to the technical field of wind energy resource evaluation. The method comprises the following steps: firstly, obtaining a digital topographic map of a to-be-developed wind power plant area, carrying out mesh generation on the digital topographic map, and then carrying outdirectional calculation based on computational fluid dynamics to obtain wind acceleration factor distribution data in different wind direction sectors; then determining a plurality of alternative anemometer tower setting point locations by combining the main wind direction information and the wind acceleration factor distribution data; and finally, screening and rechecking the alternative anemometer tower setting point positions, and finally determining the anemometer tower setting point positions meeting the anemometer tower conditions. A reliable basis at the same stage and data collection degree is provided for microcosmic site selection of the anemometer tower. Therefore, the accuracy of site selection is remarkably improved, the situations that resource measuring points are not ideal,wind power plant development decisions are misled and the like possibly caused by the fact that a high-point anemometer tower is blindly selected according to experience are effectively avoided, andthe development time and investment cost of the wind power plant in complex terrains are greatly reduced.

The invention relates to a natural ventilation method in a high rise building and a device thereof. The device is characterized in that the roof of the high rise building is provided with a wind receiving tower and an air pulling tower, wherein the wind receiving tower is provided with a plurality of wind receiving paths; the paths are communicated with an air shaft; the air shaft is communicated with a plurality of rooms in the high rise building via gas pipes; the air pulling tower is communicated with one air pulling well; the air pulling well is communicated with a plurality of rooms in the high rise building via suction pipes; the top of the air pulling tower is in a circular arc shape; and a plurality of air outlets are arranged below the top. A plurality of wind receiving paths of the wind receiving tower can receive wind from each direction, and the wind enters a plurality of rooms in the building via the gas pipes. When airflow flows through the circular-arc top of the air pulling tower, flow rate is quickened, pressure is lowered, and air in the air pulling well is sucked and is discharged from the air outlet; negative pressure in the air pulling well causes air in the room to enter the air pulling well via a suction pipe; and the operation is continuously carried out like this, the room can continuously obtain fresh air under the condition that the window is closed.

The invention relates to a wind tower flange ellipse overproof fire correction method which includes the following steps: arranging a wind tower section on a roller mould bed; measuring the flange inner diameter through a laser range finder every 5 hole positions in the flange fixed direction on one side of the wind tower section and recording the values; supporting the flange outwards at the inner diameter smallest point of the flange through a section straight-line support till the inner diameter of the flange is 5mm larger than a set value, and adding a horse plate support at the contact portion of the straight-line support and the flange; D. rotating the straight-line support to the position where an included angle alpha is formed between one end of the straight-line support and a vertical center line of the flange at the recorded largest value overproof point, and then utilizing a baking gun to heat welding gaps on the inner side and the outer side that the 135-degree position corresponds to simultaneously, wherein a heating area is 3 hole positions, and a far infrared temperature measuring pen is utilized to monitor temperature at any time in the heating process to ensure that the heating temperature does not exceed 250 DEG C; E. rotating the section clockwise, conducting heating correction towards the inner side and the outer side simultaneously sequentially at other measuring points with deviation; F. conducting air cooling. The method has the advantages of being convenient to operate and capable of improving working efficiency and reducing production cost.

The invention provides an anemometer tower site selection method and device, and the method comprises the steps: determining the terrain type of a wind power plant according to the elevation data of a field region of the wind power plant; according to the fan arrangement mode corresponding to the determined terrain category, determining a plurality of fan point positions used for arranging the wind generating sets in the wind power plant; and taking the plurality of determined fan point positions as anemometer tower alternative point positions, and determining an anemometer tower actual point position for arranging the anemometer tower in the wind power plant from the anemometer tower alternative point positions. By adopting the anemometer tower site selection method and device provided by the embodiment of the invention, the accuracy of anemometer tower site selection can be improved, powerful support is provided for accurate evaluation of regional wind resources, and the improvement of the accuracy of economic evaluation and power generation evaluation of a wind power plant is facilitated.

The invention discloses a wind tower spraying tool which comprises a conical driving rotary body and a conical jacking rotary body which are oppositely arranged on the same axis. The small end face of the driving rotary body and the small end face of the jacking rotary body are located in a wind tower, and the large end face of the driving rotary body and the large end face of the jacking rotary body are located on the outer side of the wind tower. The driving rotary body is in transmission connection with a driving device fixedly arranged on a machine frame, the jacking rotary body is arranged on an axial moving mechanism, and the axial moving mechanism is arranged on the machine frame. According to one existing technology of the coated wind tower, false flanges are connected with flanges at the two ends of the wind tower through fasteners correspondingly, then the false flanges are fixed to a rolling wheel frame, a motor drives rolling wheels to rotate, and therefore the wind tower is driven to rotate, and coating is facilitated. However, false flanges of different sizes need to be designed for wind towers of various specifications, and great waste is caused. Through the conical driving rotary body and the conical jacking rotary body, the tool can adapt to wind towers of different specifications, and meanwhile the concentricity of the tool and the wind towers is guaranteed.

The invention relates to the field of wind driven generator detection, in particular to a method for detecting the health state of a wind meter of a wind driven generator, and the method comprises the following steps: S1, obtaining SCADA data, and filtering the data; S2, carrying out preprocessing on the filtered data; S3, constructing a health scoring index and a discrimination standard of the wind meter; and S4, analyzing the health state of the wind meter according to the collected data. The method has the advantages that the health condition monitoring cost of the wind meter of the fan is low, the potential is large, SCADA monitoring data are fully utilized, the intelligence, automation and real-time performance of detection are achieved, in addition, a data preprocessing scheme is provided, the correlation between the wind meter wind speed and the wind meter tower wind speed is guaranteed, the relation between the wind meter wind speed and the wind meter tower wind speed is more clearly presented, and meanwhile, the thought of the invention can be extended to the detection of more fan equipment components, and has great significance in the detection of the whole fan equipment.

The invention relates to an anemometer tower wind measurement data processing method and a device based on a wind direction sector. The method comprises the steps of collecting wind speed data of twochannels at the same height of an anemometer tower; calculating the ratio of the wind speeds of the two channels falling in the same sector at the same moment, counting each ratio of each sector, andcalculating a tower shadow effect index for all the sectors; and if the tower shadow effect index is greater than a set tower shadow effect threshold, processing the corresponding two-channel wind speed data in each sector. According to the method, quantitative analysis is carried out on the significant degree of the influence of the tower shadow effect on the anemometer tower anemometry data, theanemometry data can be processed only when the influence of the tower shadow effect on the anemometry data exceeds a certain degree, errors caused by improper processing of the tower shadow effect are avoided, and the authenticity of the anemometry data is guaranteed.

The invention discloses a wind power plant early-stage anemometer tower planning and site selection method, system and device and a storage medium, and the method comprises the steps: obtaining the alternative positions of an anemometer tower through digital elevation data, and calculating the wind speed and wind direction sequences corresponding to the remaining alternative positions of the anemometer tower according to a contour line topographic map, reanalysis data and 30m-resolution surface roughness data; and obtaining the alternative position of a to-be-selected anemometer tower through the correlation, error analysis and the prevailing wind direction, determining that the position of the to-be-selected anemometer tower is effective by using a three-dimensional model, and determining the height of the anemometer tower according to the comprehensive wind shear. According to the method, the precision of planning and site selection of anemometer towers of a wind power plant in the medium complex terrain is improved, a basis is provided for determining the number of the anemometer towers, and fund waste is reduced.

The invention discloses a city tunnel wind tower type air purification system. The city tunnel wind tower type air purification system comprises a vehicular tunnel, an air purification wind duct and awind tower; the air purification wind duct is positioned at the upper end of the vehicular tunnel; the wind tower is positioned at the upper end of the air purification wind duct; and the wind towercommunicates with the air purification wind duct; an axial flow fan is arranged in the wind tower; the axial flow fan and the air purification wind duct communicate with each other through a flow collector; an air exhaust outlet is formed in the side wall of the wind tower; and a filter, a electrostatic dust collection unit and a denitrification device are arranged in the air purification wind duct in sequence. According to the city tunnel wind tower type air purification system, as the axial flow fan is arranged in the air purification wind duct, air in a tunnel is sucked out from the air purification wind duct; by arranging the electrostatic dust collection unit and the denitrification device in the air purification wind duct, the air is exhausted out of the tunnel after being purified so as to solve the problem that a traditional method only exhausts polluted air in the tunnel out of the tunnel to intensify air pollution degree outside the tunnel.

The invention discloses a carrying and storing method of a wind tower, comprising the following steps of: preparing a platform lorry outside a workshop as a load bearing device, selecting the platform lorry as single lorry load bearing or parallel lorry load bearing according to the length of a parallel tower section, lifting the tower section and moving to the upper side of a vehicle or moving the platform lorry transversely to enter the lower side, namely a rolling wheel frame, of a tower cylinder, by using a crane, supporting the tower cylinder via movable rolling wheel support mechanisms,controlling the lifting height of an oil cylinder, enabling the distance between a lowest point of the tower cylinder and a table-board of a vehicle frame at 80-100 mm, sending an instruction via a program control centre, enabling the locking force of the movable rolling wheel support mechanisms to keep consistent, driving the platform lorry to an appointed area where the tower cylinder is piled,by a worker, lifting the tower cylinder and falling on a fixed support table frame in the appointed area by using the crane or controlling the movable rolling wheel support mechanisms of the platformlorry via the program control centre, enabling the tower cylinder to fall on the fixed support table frame in the appointed area, and finally moving the platform lorry out transversely. The carrying and storing method disclosed by the invention has the advantages of saving the cost fee, improving the working efficiency and reducing the resource consumption.

The invention relates to the technical field of wind tower transition section welding, and discloses wind tower transition section welding rotating equipment which comprises a lifting operation platform and a tiltable rotating device, wherein the lifting operation platform comprises a fixed rod, a vertical rod and a transverse rod, the fixed rod and the vertical rod are arranged in parallel, the transverse rod and the vertical rod are fixedly connected; an adjusting mechanism used for adjusting the positions of the vertical rod and the fixing rod is arranged on the vertical rod, the tiltable rotating device comprises a supporting inclined rod, a supporting rod is arranged at the bottom of the supporting inclined rod and hinged to the supporting inclined rod, and a fixing block used for fixing a wind tower transition section is arranged on the supporting inclined rod. The problems that when a transition section of a wind tower is welded at present, angle adjustment and rotation are conducted on the wind tower manually, and due to the fact that the size and weight of the wind tower are large, rotation and angle adjustment are very inconvenient are solved.

The invention discloses a wind tower universal type temporary bracket. The wind tower universal type temporary bracket comprises a bottom plate and a connecting plate fixedly connected to the bottom plate, a pair of bearing bolt holes and a connecting hole are formed in the connecting plate, the connecting hole and the bearing bolt holes are each in a kidney-shaped hole shape, and forklift inserting holes for facilitating forklift shoveling and transporting are further formed in the temporary bracket. According to the wind tower universal type temporary bracket, the steps of bore hole drawingand bracket drilling are omitted, the installation is simple and convenient, and the transformation and new manufacturing cost of the temporary bracket is saved; shoveling and transporting of a forklift are facilitated; the temporary bracket and a flange can be prevented from being broken; and unified distribution of flanges with different diameters can be met, and the flanges with different diameters can be met by designing the kidney-shaped holes.