72 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.

A fatigue resistant gravity based spread footing under heavy multi-axial cyclical loading of a wind tower. The foundation having a central vertical pedestal, a substantially horizontal continuous bottom support slab with a stiffened perimeter, a plurality of radial reinforcing ribs extending radially outward from the pedestal. The pedestal, ribs and slab forming a continuous monolithic structure. The foundation having a three-dimensional network of post-tensioning elements that keep the structural elements under heavy multi-axial post compression with a specific eccentricity intended to reduce stress amplitudes and deflections and allows the foundation to have a desirable combination of high stiffness and superior fatigue resistance. The foundation design reduces the weight and volume of materials used, reduces cost, and improves heat dissipation conditions during construction by having a small ratio of concrete mass to surface area thus eliminating the risk of thermal cracking due to heat of hydration.

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 present invention provides a wind tower air-flow power generation method and its application in the underground cold / heat source direct air-conditioning system. Said wind tower air flow power generation method is characterized by that it uses the mechanical energy formed under the common action of artificial air flow, atmospheric thermal pressure difference and natural wind force as motive power and makes the wind turbine positioned in the wind tower bottom portion be reached to rotating speed for power generation to drive asynchronous generator to make power generation. Said invention also provides the concrete structure of said wind tower and its conrete working principle and operation method.

The invention discloses a prestressed polygon wind tower with a direct fan annular box girder at the tower top. The prestressed polygon wind tower comprises a steel structure lattice tower body, a fan cabin connection flange and an annular box girder, wherein the annular box girder is connected to the top of the steel structure lattice tower body; the steel structure lattice tower body comprises a tower column, a cross rod and an oblique rod; a prestress wire is arranged in the tower column; the annular box girder comprises an annular box girder top flange, an annular box girder web, an annular box girder bottom flange and an annular girder bottom flange; the prestress wire in the tower column is anchored on the annular box girder top flange; and the fan cabin connection flange is connected with the annular box girder. Traditional tower drum segment and transition segment are replaced, force transferring is direct and the material is saved.

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 spiral curved surface curtain wall system and a construction method thereof. The wind tower spiral curved surface curtain wall system comprises a steel framework outside a tower body, a curtain wall keel connected to the steel framework and a curtain wall panel installed on the curtain wall keel; the curtain wall keel is fixed to the steel framework through an adapter piece; the curtain wall panel is installed on the curtain wall keel through a connecting component; the four vertical faces of a wind tower curtain wall are spiral curved surfaces twisted by 90 degrees from bottom to top; vertical keels are of a spiral-like S-shaped curve structure formed by splicing vertical keel short sections; the upper vertical keel short section and the lower vertical keel short section are connected through a first insertion core; the first insertion core is a <-shaped insertion core; the two ends of the first insertion core stretch into the upper vertical keel short section and the lower vertical keel short section; transverse keels are of a curve structure formed by splicing transverse keel short sections; the two ends of each transverse keel short section are fixedly connected with the adjacent vertical keels; and the connecting faces of the transverse keel short sections and the vertical keels are diagonal planes.

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 discloses a replacing process of a wind tower foundation ring upper flange. The process comprises the following steps that an original flange is cut; a temperature-resistance material isused for protection, after a mark line is made, a cutting trolley pre-walks by one circle, height consistency is kept, cutting is carried out, and after cutting, the diameter of a ring is measured; an original foundation ring is grooved; a modified magnetic cutting trolley pre-walks by one circle, height consistency is kept, a cylinder wall center line is drawn, a groove angle is checked, and theupper surface levelness is checked; a new flange is assembled; and the diameter of the new flange is measured, the new flange diameter obtained through measuring is compared with and matched with thering diameter obtained through measuring, new flange lifting and assembly are carried out, and the levelness of the new flange is checked. Renovation of a whole foundation ring base can be achieved,the service deadline of the foundation ring base can be prolonged, the whole service period cost of a wind generating set can be reduced, incomes are improved, and the influence on the safety and theenvironment can be reduced.

The invention relates to a sharding type wind tower sharding cutting machine and a cutting method thereof. The sharding type wind tower sharding cutting machine comprises a movable body, wherein the side of the movable body is provided with a longitudinal flange capable of making the movable body move along a certain trajectory; a wheel depending side plate is arranged between the movable body and the longitudinal flange, and is provided with a thread rod which is connected with a bearing; the bearing is arranged on the outer side face of the longitudinal flange; the movable body is provided with a cutting gun nozzle assembly; and one end of the cutting gun nozzle assembly extends into the longitudinal flange. The sharding type wind tower sharding cutting machine has the beneficial effects that the movable body is fully utilized to move along the longitudinal flange, under the condition that a straight track is not used, linear cutting is completed, and operability of the equipment is improved; cutting is made to be not limited by the length of the track and the shape of a tower barrel, full-length cutting is performed, and the workload of a worker is reduced; and besides, the movable body can pass through a combination of the wheel depending side plate and the bearing to achieve side face movement on the longitudinal flange, and therefore the labor intensity and the attentiveness are relieved, and meanwhile the possibility of misalignment of cutting is reduced.

A connecting structure for a steel tube truss and a tower barrel of a lattice wind power generation tower, a prestressed polygon wind tower provided with a circular box girder for a direct fan on the top of the tower, a wind power generation tower, and a wind tower having a prestressed anti-fatigue structure, which relate to the technical field of wind power generation towers, can simplify the connection mode between the tower barrel and the lattice tower frame, resolve the stress problem, enable the force transmission of a transition section to be direct and save materials.

The invention discloses a deformation abnormity judgment and deformation value estimation method for an offshore isolated wind power tower group, and the method comprises the steps of selecting a wind tower in the wind power tower group to mark an initial reference position, marking the installation positions of corner reflectors of other wind towers, and installing the corner reflectors at the marked positions; performing radiation calibration, focusing, SAR image registration based on isolated points and geocoding according to SAR image data acquired by a satellite aiming at the corner reflectors; according to the SAR image data, calculating the time sequence phase change condition of a single wind tower relative to the wind power tower group through a deformation anomaly sensing algorithm, and determining distribution of wind towers with abnormal deformation; and calculating the phase gradient characteristic of a single wind tower and the phase difference characteristic of the current wind tower relative to the adjacent wind tower and the wind power tower group by using a deformation quantity estimation method, and determining the accumulated deformation quantity of each wind tower with abnormal deformation. Through the technical scheme of the invention, high-frequency and large-range monitoring of the wind power tower group is realized, the accuracy is high, and the equipment layout and maintenance cost is low.

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.

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 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 an air flue well used for a wind tower power generation station. The air flue well used for the wind tower power generation station comprises a cylinder wall (4), an air flue well outer wall pipeline (7), static blades (2) and operational rails (3) formed among the static blades (2). The air flue well used for the wind tower power generation station has the advantages of being simple in manufacture, reasonable in structure, low in cost, wide in use and the like.

Reinforced wind turbine tower (1) formed by a hollow body (2), which comprises in its interior at least one reinforcement structure (3) formed by a series of longitudinal reinforcements (4), where each of said reinforcements (4) has its two opposite ends attached by attachment means to the hollow body inner surface (2) of the tower at points placed on different vertical lines, and where each reinforcement (4) has at least one of its ends attached by attachment means to the end of the other consecutive reinforcement (4) with the same.

The invention discloses a computer monitoring system for a wind power field. The computer monitoring system comprises a power generation module, an acquisition gateway module and a power utilization module, wherein the power generation module converts input mechanical energy into electric energy by means of wind energy, the acquisition gateway module is connected with the power generation module and conducts acquisition and processing on the electric energy generated by the power generation module, and the power utilization module is connected with the acquisition gateway module and uses the processed electric power. According to the computer monitoring system for the wind power field, wind power generation can be monitored through the computer monitoring system, and in order to fully andreasonably utilize resources, wind generation sets in the system can be disassembled and replaced; and extendable components are adopted as connecting parts on a wind measuring tower, and the lengthsof the connecting parts can be adjusted as needed.

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.