CN114635828B - All-season breeze energy-gathering wind power generation induced air flow guiding method - Google Patents
All-season breeze energy-gathering wind power generation induced air flow guiding method Download PDFInfo
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- CN114635828B CN114635828B CN202210541619.8A CN202210541619A CN114635828B CN 114635828 B CN114635828 B CN 114635828B CN 202210541619 A CN202210541619 A CN 202210541619A CN 114635828 B CN114635828 B CN 114635828B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
The invention discloses an induced draft flow guiding method for all-season breeze energy-gathered wind power generation, which solves the problem of how to utilize breeze to continuously and stably perform wind power generation in all weather and belongs to the technical field of wind power generation; dynamically adjusting the positions of two wind-shielding partition walls in the cylindrical barrel according to different breeze wind directions in each season, respectively arranging a left wind-shielding partition wall (14) and a right wind-shielding partition wall (15) in the cylindrical barrel, and arranging the left wind-shielding partition wall (14) and the right wind-shielding partition wall at positions which are perpendicular to the wind directions of main wind-direction breezes according to the wind directions of the main wind-direction breezes (9); the main wind direction breeze blown from the left side and the right side of the cylindrical barrel is introduced by the outer ring swing arc-shaped blades at the two sides and is guided into the wind-pulling barrel (19); the main wind direction breeze (9) on the windward side of other cylindrical barrels is introduced into the cylindrical barrels without obstruction; all-weather breeze wind power generation all the year round is realized.
Description
Technical Field
The invention relates to a breeze wind power generation method, in particular to a breeze energy-gathering wind power generation induced draft guide method capable of realizing full season breeze energy-gathering wind power generation.
Background
Wind power generation has certain requirements on wind speed, the wind speed is generally required to be higher than the rated wind speed of 10 meters per second, and the lowest generated wind speed also needs to reach 4 meters per second; breeze with the wind speed lower than 3 meters per second is unavailable power generation wind energy; but the wind energy which can not be utilized on the earth accounts for about 70 percent of the whole wind energy resource; in recent years, some research and experiment projects utilizing breeze to generate electricity appear, and an invention patent with the patent number of 2021112094298 discloses a breeze guide blade on the excircle facade of an induced draft guide chamber, which consists of an outer blade plate, a middle blade plate and an inner blade plate, wherein the middle blade plate is a flexible soft plate, and the middle blade plate is connected between the outer blade plate and the inner blade plate; the outer blade plate of the breeze leading-in blade at the windward position on the excircle side elevation of the cylindrical cover body base is arranged along the direction parallel to the wind direction, and the inner blade plate of the breeze leading-in blade and the central axis of the cylindrical cover body base are arranged in the same plane; the structure of this patent has realized leading the following current direction before the breeze of windward side gets into induced air water conservancy diversion room to and the diversion after getting into induced air water conservancy diversion room upwards guides, but still has the following difficult problem that remains to be further solved: (1) the induced draft diversion chamber is in a closed cylindrical shape, and breeze leading-in blades on the windward side and breeze leading-in blades on the leeward side are both in an open state when working, so that breeze led in from the windward side can easily pass through the inner cavity of the induced draft diversion chamber and then flow out of the induced draft diversion chamber through the breeze leading-in blades on the open leeward side, and a part of the introduced breeze is lost; (2) because the height of the induced draft guide chamber of the large wind power generation mechanism reaches dozens of meters, and the inner diameter of the induced draft guide chamber reaches more than one hundred meters, in the large closed space, the breeze introduced from the windward side and the airflow sucked from the leeward side by negative pressure easily form turbulent flow and vortex in the induced draft guide chamber, and the wind energy loss of the introduced breeze is further increased; (3) the forced breeze redirection structure composed of the outer blade plate, the middle blade plate and the inner blade plate can directly cause the loss of wind energy and is easier to induce vortex; (4) the height of the induced draft guide chamber of the large-scale breeze wind power generation is dozens of meters, and the height of the induced draft guide chamber of the large-scale breeze wind power generation is also dozens of meters, so that three blades with the height are fixedly connected, flexible rotation adjustment is realized, and the problem of difficult field realization exists; (5) because the wind power generation equipment is installed in different places and wind directions in different seasons, how to introduce breeze on the windward side into the induced draft chamber to the maximum extent in different seasons, continuous and stable power generation in all seasons is realized, and the problem to be solved on site is also another problem.
Disclosure of Invention
The invention provides an induced draft and diversion method for full-season breeze energy-gathered wind power generation, which solves the technical problems that how breeze on the windward side can be introduced into an induced draft and diversion chamber to the maximum extent in different seasons, and how eddy and turbulent flow phenomena are reduced to the maximum extent in the process of conveying and diversion after breeze on the windward side is introduced and airflow on the leeward side is sucked into a drainage and diversion chamber.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the breeze power generation device is a huge fixed structure, the breeze wind directions of the device in spring, summer, autumn and winter are different, and how to effectively introduce the breeze into the induced draft guide chamber in the wind directions of different seasons is a problem to be solved by the invention; the breeze with the wind speed lower than 3 m/s is small, so that the wind energy per se is small, the breeze on the two sides of the windward side of the induced draft chamber needs to change the wind direction and is guided to the middle of the induced draft chamber in the process of introducing the breeze into the induced draft chamber, and then the breeze upwards enters the wind pulling barrel, so that the wind energy loss can be caused in the process, the generation of the vortex phenomenon is easily induced, and how to reduce the wind energy loss of the redirected breeze to the maximum extent and the probability of the generation of the vortex is reduced is another problem to be solved by the invention; meanwhile, after breeze on the windward side is guided into the venturi draft tube, negative pressure is generated at the bottom of the draft tube, the negative pressure can suck the air on the lee side of the induced draft guide chamber into the room, and how to simultaneously make the breeze on the windward side and the air flow sucked on the lee side enter the induced draft guide chamber with the maximum air quantity is also another problem to be solved by the invention; the general concept of the method of the invention is as follows: (1) according to the wind direction of breeze in the main wind direction, dividing the outer circle vertical surface of the cylindrical barrel into a windward surface of 180 degrees and a leeward surface of the other 180 degrees, and determining the positions of the left side and the right side of the windward surface of the cylindrical barrel; the method is characterized in that an inner circle and an outer circle of follow-up arc wind guide blades for inducing wind are arranged at the outer circle of a cylindrical barrel, an arc channel for gradually changing the wind direction of breeze on the left side and the right side of a windward side is dynamically constructed aiming at the breeze on the left side and the right side of the windward side, the breeze is conformed to the wind direction, the breeze redirection is gradually guided, a wind shielding partition wall is connected with the wind guide blades on the two sides of the windward side, a wind inlet arc side vertical surface similar to a streamline is constructed, and the wind energy loss caused by the change of the breeze direction is reduced to the minimum; (2) in the induced draft diversion chamber, the inner cavity of the induced draft diversion chamber is divided into two parts by arranging a wind shielding partition wall, and the two parts are divided into two independent spaces, so that a path through which breeze passes is blocked, and meanwhile, the probability that the breeze entering from the windward side collides with the airflow entering from the leeward side to generate vortex is reduced; dynamically adjusting the position of the wind shielding partition wall according to the breeze direction to enable the wind shielding partition wall to be vertical to the breeze direction; (3) the drainage curved surfaces of the conical drainage bulges at the indoor ground and the indoor center of the induced air diversion chamber are integrally designed to construct an integrated streamline drainage bottom surface.
An induced air flow guiding method for all-season breeze energy-gathering wind power generation comprises a cylindrical shape, wherein a conical flow guiding bulge is arranged in the center of the bottom surface of a cylindrical barrel, outer ring supporting steel columns are arranged on the outer circle of the bottom surface of the barrel at equal intervals in an arc shape, inner ring supporting steel columns are arranged on the inner side circle of the bottom surface of the barrel on the inner side of the outer ring supporting steel columns at equal intervals in an arc shape, a top cover plate of the cylindrical barrel is arranged at the top end of each outer ring supporting steel column and the top end of each inner ring supporting steel column, a wind pulling barrel communicating hole is arranged in the center of the top cover plate, a wind pulling barrel is connected to the wind pulling barrel communicating hole, an outer ring swinging arc-shaped blade is arranged on each outer ring supporting steel column, and an inner ring swinging arc-shaped blade is arranged on each inner ring supporting steel column; the method is characterized by comprising the following steps:
dividing the lateral vertical surface of the excircle of the cylindrical barrel into a windward surface of 180 degrees and a leeward surface of other 180 degrees according to the breeze direction of the breeze of the main wind direction to obtain two boundary lines of the windward surface and the leeward surface on the excircle of the cylindrical barrel, and arranging a cross section vertical to the bottom surface of the barrel through the two boundary lines, wherein the cross section divides the inner cavity of the cylindrical barrel into two independent spaces through the central axis of the cylindrical barrel; a left side inner ring support steel column is arranged on a left intersection point of the cross section and the inner side circle, and the left side inner ring support steel column is an inner ring support steel column which is arranged on the inner side circle at equal intervals and in a radian manner and is positioned on the leftmost side; a right inner ring support steel column is arranged at the right intersection point of the cross section and the inner circle, and the right inner ring support steel column is the inner ring support steel column which is arranged on the inner circle at the rightmost position in the inner ring support steel columns arranged on the inner circle at equal intervals in a radian manner;
(II) arranging a left front side outer ring supporting steel column in the left front of the left side inner ring supporting steel column, wherein the left front side outer ring supporting steel column is one of outer ring supporting steel columns arranged in an outer circle at equal intervals in a radian manner, and is the leftmost outer ring supporting steel column in the front side of the left side inner ring supporting steel column; the right front side outer ring supporting steel column is arranged at the right front side of the right front side inner ring supporting steel column, is one of outer ring supporting steel columns arranged at equal intervals in a radian mode on the outer circle and is the rightmost outer ring supporting steel column on the front side of the right front side outer ring supporting steel column;
a left wind shielding partition wall is arranged between the left inner ring support steel column and the conical drainage bulge, a right wind shielding partition wall is arranged between the right inner ring support steel column and the conical drainage bulge, and the left wind shielding partition wall and the right wind shielding partition wall are arranged in the cross section in the step (I) and divide the inner cavity of the cylindrical barrel into a breeze-inducing independent space on the windward side and a breeze-sucking independent space on the leeward side;
(IV) clockwise rotating the inner ring swing arc-shaped blade on the inner ring support steel column at the left side and the outer ring swing arc-shaped blade on the outer ring support steel column at the left front side respectively, enabling the right end of the outer ring swing arc-shaped blade to be connected with the left end of the inner ring swing arc-shaped blade in an abutting mode, and enabling the arc front side vertical surface of the outer ring swing arc-shaped blade, the arc front side vertical surface of the inner ring swing arc-shaped blade and the front side vertical surface of the left wind shielding partition wall to form a continuous left side arc-shaped curved surface for introducing, redirecting and guiding the main wind direction breeze on the left side of the windward side of the cylindrical barrel;
and (V) respectively rotating the inner ring swing arc-shaped blade on the right side inner ring support steel column and the outer ring swing arc-shaped blade on the right front side outer ring support steel column anticlockwise, enabling the left end of the outer ring swing arc-shaped blade to be connected with the right end of the inner ring swing arc-shaped blade in an abutting mode, and enabling the arc front side vertical face of the outer ring swing arc-shaped blade, the arc front side vertical face of the inner ring swing arc-shaped blade and the front side vertical face of the right wind shielding partition wall to form a continuous right side arc-shaped curved surface for introducing, redirecting and guiding the main wind direction breeze on the right side of the windward side of the cylindrical barrel.
The front side vertical surface of the left wind shielding partition wall is an arc-shaped curved surface for guiding flow from left to right, and the front side vertical surface of the right wind shielding partition wall is an arc-shaped curved surface for guiding flow from right to left.
Adjusting inner ring swing arc-shaped blades on the inner ring support steel columns on the front sides of the left inner ring support steel column and the right inner ring support steel column to positions in the direction tangential to the wind direction of the main breeze; and adjusting outer ring swing arc-shaped blades on the outer ring support steel columns on the front sides of the outer ring support steel columns on the left front side and the right front side outer ring support steel columns on the front sides to the direction positions tangential to the wind direction of the main breeze.
Adjusting inner ring swing arc-shaped blades on the inner ring support steel columns on the rear sides of the left inner ring support steel column and the right inner ring support steel column to the radial direction along the horizontal cross section circle of the cylindrical barrel; and adjusting outer ring swing arc-shaped blades on the outer ring support steel columns on the rear sides of the left front side outer ring support steel column and the right front side outer ring support steel column to the radial direction of the horizontal cross section circle of the cylindrical barrel.
The bottom surface of the cylinder body is composed of an outer annular surface and an inner annular surface, a conical drainage bulge is arranged in the inner annular surface, the outer annular surface is an annular inclined surface which is inclined towards the center and has a lower outer ring and a higher inner ring, and the inner annular surface is a parabolic rotating curved surface which is in linkage transition with the outer side surface of the conical drainage bulge.
Black anti-corrosion and anti-drag paint coatings are arranged on the bottom surface of the barrel, the surface of the left wind shielding partition wall, the surface of the right wind shielding partition wall, the outer ring swing arc-shaped blade and the inner ring swing arc-shaped blade; and the outer ring swinging arc-shaped blade is movably connected to the outer ring support steel column through the shaft penetrating sleeve.
The central axis of the excircle of the bottom surface of the cylinder body, the central axis of the inner circle of the bottom surface of the cylinder body, the central axis of the conical drainage bulge, the central axis of the communicating hole of the air-drawing cylinder body and the central axis of the air-drawing cylinder body are superposed together; and each outer ring on the excircle supports a steel column, and the distance between each outer ring and two adjacent inner ring support steel columns on the inner circle is equal.
According to the breeze direction different in each season, the positions of two wind-shielding partition walls in the cylindrical barrel and the postures of two circles of swing arc-shaped blades at the outer circle of the cylindrical barrel are dynamically adjusted, incoming wind on the windward side of the induced wind diversion chamber is effectively introduced into the induced wind diversion chamber, and in the introduction process, the induced wind direction is conformed to the maximum degree, and the wind energy loss is reduced; simultaneously, leading the sucked air flow on the leeward side of the induced draft diversion chamber into the induced draft diversion chamber along the radial direction; by arranging the partition wind-blocking walls vertical to the main wind direction, the defect that eddy current and turbulent current are easily generated due to the fact that breeze is introduced to collide with the sucked air flow in the head-on mode is overcome, the wind density and the wind energy before entering the wind-pulling cylinder are improved, and the generating power of the unit occupied area is improved.
Drawings
FIG. 1 is a schematic view of the air flow of the induced draft guide chamber;
fig. 2 is a schematic structural view of an induced draft guide chamber of the present invention;
FIG. 3 is a schematic structural diagram of the outer ring support steel column 2 on the outer circle 4 and the inner ring support steel column 3 on the inner circle 5 of the bottom surface of the cylinder body;
FIG. 4 is a schematic view of the arrangement of the wind-shielding partition wall and the swing arc-shaped blade in the cylindrical barrel of the present invention;
fig. 5 is a schematic structural view of the left wind shielding partition wall 14 and the right wind shielding partition wall 15 of the present invention;
FIG. 6 is a schematic structural view of outer ring oscillating arc blades 12 of the present invention;
fig. 7 is a schematic structural view of the breeze energy-gathered wind power generation device of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a breeze energy-gathering wind power generation device mainly comprises a cylindrical cover body base (an induced draft diversion chamber) and a wind-drawing cylinder 19 with a thin middle part and thick upper and lower ends, wherein a wind power generator blade facing the wind along the vertical downward direction is arranged in the thin waist of the wind-drawing cylinder 19; the conical drainage bulges 6 are arranged at the center of the bottom in the base of the cylindrical cover body, all strands of upward flowing guided breeze are converged, and when the breeze continuously flows upwards to the thin waist part in the middle of the draft tube 19, because the cross section of the thin waist part of the draft tube becomes small, the converged breeze can acceleratively pass through the area, and acceleratively pass through airflow, and the airflow can be acceleratively arranged on the lower port of the draft tube 19 and an air inlet of the draft diversion chamber to generate negative pressure, so that the effect of acceleratively sucking air at the leeward part outside the cover is generated, the flow and the flow speed of the airflow in the thin waist part in the middle of the draft tube 19 are further increased, a larger draft effect is generated, and the energy gathering effect when the breeze enters the draft diversion chamber is realized.
The invention is based on the induced draft guide chamber in the breeze energy-gathering wind power generation device, the induced draft guide chamber bears the breeze introduced to the windward side, and the introduced breeze and the leeward side air flow are guided into the draft tube, and the task of transmitting the generated wind power to the wind power generator in the draft tube is directly related to the power generation efficiency of the wind power generator; an induced air flow guiding method for all-season breeze energy-gathering wind power generation comprises a cylindrical barrel, wherein a conical flow guiding bulge 6 is arranged in the center of the barrel bottom surface 1 of the cylindrical barrel, outer ring supporting steel columns 2 are arranged on the outer circle 4 of the barrel bottom surface 1 at equal intervals in an arc manner, inner ring supporting steel columns 3 are arranged on the inner side circle 5 of the barrel bottom surface 1 on the inner side of each outer ring supporting steel column 2 at equal intervals in an arc manner, a top cover plate 10 of the cylindrical barrel is arranged at the top end of each outer ring supporting steel column 2 and the top end of each inner ring supporting steel column 3, a draft barrel communicating hole 11 is arranged in the center of the top cover plate 10, a draft barrel 19 is connected to the draft barrel communicating hole 11, outer ring swinging arc-shaped blades 12 are arranged on the outer ring supporting steel columns 2, and inner ring swinging arc-shaped blades 13 are arranged on the inner ring supporting steel columns 3; the method is characterized by comprising the following steps:
dividing the lateral vertical surface of the excircle of the cylindrical barrel into a windward surface of 180 degrees and a leeward surface of other 180 degrees according to the wind direction of breeze 9 in the main wind direction to obtain two boundary lines of the windward surface and the leeward surface on the excircle of the cylindrical barrel, arranging a cross section vertical to the bottom surface 1 of the barrel through the two boundary lines, and evenly dividing the inner cavity of the cylindrical barrel into two independent spaces through the central axis of the cylindrical barrel by the cross section; a left side inner ring support steel column 22 is arranged on a left intersection point of the cross section and the inner side circle 5, and the left side inner ring support steel column 22 is an inner ring support steel column which is positioned on the leftmost side in the inner ring support steel columns 3 which are arranged in the inner side circle 5 at equal intervals in a radian manner; a right-side inner ring support steel column 24 is arranged on a right intersection point of the cross section and the inner circle 5, and the right-side inner ring support steel column 24 is an inner ring support steel column which is positioned on the rightmost side in the inner ring support steel columns 3 arranged in the inner circle 5 at equal intervals in a radian manner;
(II) arranging a left front side outer ring supporting steel column 21 in the left front of the left side inner ring supporting steel column 22, wherein the left front side outer ring supporting steel column 21 is one of outer ring supporting steel columns 2 which are arranged on the outer circle 4 at equal intervals in a radian manner and is the leftmost outer ring supporting steel column on the front side of the left side inner ring supporting steel column 22; a right front side outer ring support steel column 23 is arranged right ahead of the right side inner ring support steel column 24, the right front side outer ring support steel column 23 is one of outer ring support steel columns 2 which are arranged on the outer circle 4 at equal intervals in a radian mode, and is the rightmost outer ring support steel column on the front side of the right front side outer ring support steel column 23;
(III) a left wind shielding partition wall 14 is arranged between the left inner ring support steel column 22 and the conical drainage bulge 6, a right wind shielding partition wall 15 is arranged between the right inner ring support steel column 24 and the conical drainage bulge 6, and the left wind shielding partition wall 14 and the right wind shielding partition wall 15 are arranged in the cross section in the step (I) and divide the inner cavity of the cylindrical barrel into a breeze-inducing independent space on the windward side and a breeze-sucking independent space on the leeward side by the left wind shielding partition wall 14 and the right wind shielding partition wall 15;
(IV) clockwise rotating the inner ring swing arc-shaped blade 13 on the inner ring support steel column 22 at the left side and the outer ring swing arc-shaped blade 12 on the outer ring support steel column 21 at the left front side respectively to ensure that the right end of the outer ring swing arc-shaped blade 12 is connected with the left end of the inner ring swing arc-shaped blade 13 in an abutting mode, and the arc front side vertical face of the outer ring swing arc-shaped blade 12, the arc front side vertical face of the inner ring swing arc-shaped blade 13 and the front side vertical face of the left wind shielding partition wall 14 form a continuous left side arc-shaped curved surface for introducing, redirecting and guiding the main wind direction breeze 9 on the left side of the windward side of the cylindrical barrel;
and (V) respectively rotating the inner ring swing arc-shaped blade 13 on the inner ring support steel column 24 on the right side and the outer ring swing arc-shaped blade 12 on the outer ring support steel column 23 on the right front side anticlockwise, so that the left end of the outer ring swing arc-shaped blade 12 is connected with the right end of the inner ring swing arc-shaped blade 13 in an abutting mode, and the arc front side vertical surface of the outer ring swing arc-shaped blade 12, the arc front side vertical surface of the inner ring swing arc-shaped blade 13 and the front side vertical surface of the right wind shielding partition wall 15 form a continuous right side arc-shaped curved surface for introducing, redirecting and guiding the main wind direction breeze 9 on the right side of the windward side of the cylindrical barrel.
The front side vertical surface of the left wind shielding partition wall 14 is an arc-shaped curved surface 16 for guiding flow from left to right, and the front side vertical surface of the right wind shielding partition wall 15 is an arc-shaped curved surface 17 for guiding flow from right to left; the main wind direction breeze 9 blown from the left side of the cylindrical barrel is introduced by the outer ring swinging arc-shaped blade 12 on the outer ring supporting steel column 21 at the left front side, is redirected by the inner ring swinging arc-shaped blade 13 on the inner ring supporting steel column 22 at the left side, is guided by the arc-shaped curved surface 16 which guides the flow from left to right, and is introduced into the wind-pulling barrel 19 by the conical flow guide bulge 6; the main wind breeze 9 blown from the right side of the cylindrical barrel is introduced by the outer ring swing arc-shaped blade 12 on the outer ring support steel column 23 on the right front side, is redirected by the inner ring swing arc-shaped blade 13 on the inner ring support steel column 24 on the right side, and is guided into the draft barrel 19 by the conical drainage bulge 6 after being guided by the arc-shaped curved surface 17 which guides the flow from right to left.
Adjusting inner ring swing arc-shaped blades on inner ring support steel columns 3 on the front sides of the left inner ring support steel column 22 and the right inner ring support steel column 24 to the positions in the direction tangent to the wind direction of the main wind direction breeze 9; adjusting outer ring swing arc-shaped blades on outer ring support steel columns 2 on the front sides of the left front side outer ring support steel column 21 and the right front side outer ring support steel column 23 to the positions in the direction tangential to the wind direction of the main wind direction breeze 9; the main wind direction breeze 9 on the windward side of other cylindrical barrels except the main wind direction breeze 9 blowing to the left side and the right side of the cylindrical barrels are introduced into the cylindrical barrels without obstruction; according to the invention, only the two inner and outer ring swinging arc-shaped blades at the left side and the two inner and outer ring swinging arc-shaped blades at the right side on the windward side of the cylindrical barrel are designed to be out of the induced air flow guide surface which forms a certain radian angle with the wind direction of the main wind direction breeze 9, and the inner ring swinging arc-shaped blades and the outer ring swinging arc-shaped blades on the other windward sides are arranged to be in a posture of being tangent with the wind direction of the main wind direction breeze 9, so that the wind resistance of the wind guide blades to the breeze is reduced to the maximum extent, and the loss of wind energy is reduced.
Adjusting the inner ring swing arc-shaped blades on the inner ring support steel columns 3 at the rear sides of the left inner ring support steel column 22 and the right inner ring support steel column 24 to the radial direction along the horizontal cross section circle of the cylindrical barrel; adjusting outer ring swing arc-shaped blades on each outer ring support steel column 2 at the rear side of the outer ring support steel column 21 at the left front side and at the rear side of the outer ring support steel column 23 at the right front side to the radial direction of a horizontal cross section circle of the cylindrical barrel; the leeward side is led into the cylindrical barrel by the sucked air flow 18 along the radial direction of the horizontal cross section circle of the cylindrical barrel; the leeward side sucked air flow 18 is introduced into the cylindrical barrel in the radial direction of the horizontal cross-sectional circle of the cylindrical barrel; the air inlet on the leeward surface of the cylindrical barrel is actually realized by the negative pressure generated by the air draft tube, and the airflow on the leeward surface is sucked into the cylindrical barrel, so that the airflow on the leeward surface of the cylindrical barrel radially enters the leeward surface space of the cylindrical barrel, the collision among all air streams can be avoided, and the probability of generating vortex is reduced.
The bottom surface 1 of the cylinder body consists of an outer annular surface 7 and an inner annular surface 8, a conical flow guide bulge 6 is arranged in the inner annular surface 8, the outer annular surface 7 is an annular inclined surface which is higher at the lower part of an outer ring and higher at an inner ring and inclines towards the center, and the inner annular surface 8 is a parabolic rotating curved surface which is in linkage transition with the outer side surface of the conical flow guide bulge 6; the outer annular surface 7, the inner annular surface 8 and the front outer side surface of the conical drainage bulge 6 form a streamline bottom end curved surface which smoothly guides airflow to the draft tube 19.
Black anti-corrosion and anti-drag paint coatings are respectively arranged on the bottom surface 1 of the cylinder body, the surface of the left wind shielding partition wall 14, the surface of the right wind shielding partition wall 15, the outer ring swing arc-shaped blade 12 and the inner ring swing arc-shaped blade 13; the outer ring swing arc-shaped blade 12 is provided with a penetrating shaft sleeve 20, and the outer ring swing arc-shaped blade 12 is movably connected to the outer ring support steel column 2 through the penetrating shaft sleeve 20.
The central axis of the excircle 4 of the cylinder bottom surface 1, the central axis of the inner circle 5 of the cylinder bottom surface 1, the central axis of the conical drainage bulge 6, the central axis of the air draft cylinder communicating hole 11 and the central axis of the air draft cylinder 19 are superposed together; each outer ring on the outer circle 4 supports a steel column 2, and the distance between each two adjacent inner ring support steel columns 3 on the inner circle 5 is equal.
The invention provides an induced air flow guiding method of an induced air flow guiding chamber used on a breeze energy-gathered power generation device based on solar heat storage, which can gather wind energy on the windward side and the leeward side in all directions, and the wind energy is guided into the breeze energy-gathered power generation device to accelerate by the method, so that the rated wind speed of the traditional wind power generation is more than 10 m/s, and the power generation hours are more than 5000 hours; because of the installation place of the equipment, the main wind direction in four seasons of the year is generally a main wind direction in spring and summer, and the other main wind direction in autumn and winter, in order to save equipment investment and simplify the equipment structure, the wind direction of breeze 9 according to the main wind direction can be used for dynamically dividing the outer circle side vertical surface of the cylindrical barrel into a windward surface of 180 degrees and a leeward surface of other 180 degrees, and changing the windward surface into the determined main wind direction in spring and summer and the main wind direction in autumn and winter, and the inner and outer ring support steel columns and the wind shielding partition walls in the whole equipment can be designed according to the determined two wind directions, and the positions of the wind shielding partition walls and the postures of the inner and outer swinging arc-shaped blades on the two sides are adjusted once in spring every year; when the autumn comes, the wind shielding partition wall is detached and installed on the determined wind shielding wall position in autumn and winter, and the postures of the inner swing arc-shaped blade and the outer swing arc-shaped blade on two side sides are correspondingly adjusted; the simple structural form can basically meet the requirements of breeze power generation, and the inner ring and the outer ring support steel columns and the installation upright columns of the wind shielding partition walls can be designed as the support upright columns of the top cover plate 10, so that the investment cost of equipment is reduced.
Claims (7)
1. An induced draft and flow guide method for all-season breeze energy-gathered wind power generation comprises a cylindrical barrel, wherein a conical flow guide bulge (6) is arranged in the center of the barrel bottom surface (1) of the cylindrical barrel; the device is characterized in that outer ring supporting steel columns (2) are arranged on an outer circle (4) of a cylinder bottom surface (1) at equal intervals in a radian manner, inner ring supporting steel columns (3) are arranged on an inner circle (5) of the cylinder bottom surface (1) on the inner side of the outer ring supporting steel columns (2) at equal intervals in a radian manner, a top cover plate (10) of a cylindrical cylinder is arranged at the top ends of the outer ring supporting steel columns (2) and the inner ring supporting steel columns (3), outer ring swinging arc-shaped blades (12) are arranged on the outer ring supporting steel columns (2), and inner ring swinging arc-shaped blades (13) are arranged on the inner ring supporting steel columns (3);
firstly, dividing the lateral vertical surface of the excircle of the cylindrical barrel into a windward surface of 180 degrees and a leeward surface of other 180 degrees according to the wind direction of breeze (9) in the main wind direction to obtain two boundary lines of the windward surface and the leeward surface on the excircle of the cylindrical barrel, and setting a cross section vertical to the bottom surface (1) of the barrel through the two boundary lines, wherein the cross section equally divides the inner cavity of the cylindrical barrel into two independent spaces through the central axis of the cylindrical barrel; a left side inner ring supporting steel column (22) is arranged on a left intersection point of the cross section and the inner side circle (5), and the left side inner ring supporting steel column (22) is an inner ring supporting steel column which is positioned on the leftmost side in the inner ring supporting steel columns (3) which are arranged on the inner side circle (5) at equal intervals in a radian manner; a right-side inner ring support steel column (24) is arranged on a right intersection point of the cross section and the inner circle (5), and the right-side inner ring support steel column (24) is the inner ring support steel column which is positioned on the rightmost side in the inner ring support steel columns (3) arranged in the inner circle (5) at equal intervals in a radian manner;
secondly, arranging a left front side outer ring supporting steel column (21) in the left front of the left side inner ring supporting steel column (22), wherein the left front side outer ring supporting steel column (21) is one of outer ring supporting steel columns (2) which are arranged on the outer circle (4) at equal intervals in a radian manner and is the leftmost outer ring supporting steel column on the front side of the left side inner ring supporting steel column (22); a right front side outer ring supporting steel column (23) is arranged at the right front of the right side inner ring supporting steel column (24), the right front side outer ring supporting steel column (23) is one of outer ring supporting steel columns (2) which are arranged on the outer circle (4) at equal intervals in a radian mode, and the right front side outer ring supporting steel column is the rightmost outer ring supporting steel column on the front side of the right front side outer ring supporting steel column (23);
thirdly, a left wind shielding partition wall (14) is arranged between the left inner ring support steel column (22) and the conical drainage bulge (6), a right wind shielding partition wall (15) is arranged between the right inner ring support steel column (24) and the conical drainage bulge (6), and the left wind shielding partition wall (14) and the right wind shielding partition wall (15) are arranged in the cross section in the first step and divide the inner cavity of the cylindrical barrel into a breeze-inducing independent space on the windward side and a breeze-sucking independent space on the leeward side;
fourthly, clockwise rotating the inner ring swing arc-shaped blade (13) on the left side inner ring support steel column (22) and the outer ring swing arc-shaped blade (12) on the left front side outer ring support steel column (21) respectively to ensure that the right end of the outer ring swing arc-shaped blade (12) is connected with the left end of the inner ring swing arc-shaped blade (13) in an abutting mode, and an arc front side vertical face of the outer ring swing arc-shaped blade (12), an arc front side vertical face of the inner ring swing arc-shaped blade (13) and a front side vertical face of the left wind shielding partition wall (14) are spliced to form a continuous main wind direction breeze (9) on the left side of the windward side of the cylindrical barrel, so as to introduce, redirect and guide the left side arc-shaped curved surface;
and fifthly, rotating the inner ring swing arc-shaped blade (13) on the inner ring support steel column (24) on the right side and the outer ring swing arc-shaped blade (12) on the outer ring support steel column (23) on the right front side anticlockwise respectively, enabling the left end of the outer ring swing arc-shaped blade (12) to be connected with the right end of the inner ring swing arc-shaped blade (13) in an abutting mode, enabling the arc front side vertical face of the outer ring swing arc-shaped blade (12), the arc front side vertical face of the inner ring swing arc-shaped blade (13) and the front side vertical face of the right wind shielding dividing wall (15) to be spliced to form a continuous main wind direction breeze (9) on the right side of the windward side of the cylindrical barrel, and introducing, redirecting and guiding the right side arc-shaped curved surface.
2. The induced wind flow guiding method for the all-season breeze energy-gathered wind power generation according to claim 1, wherein the front side vertical face of the left wind shielding partition wall (14) is an arc-shaped curved face (16) for guiding the wind from left to right, and the front side vertical face of the right wind shielding partition wall (15) is an arc-shaped curved face (17) for guiding the wind from right to left.
3. The induced draft and flow guiding method for the all-season breeze energy-gathered wind power generation according to the claim 1 or 2, characterized in that the inner ring swing arc-shaped blades on the inner ring support steel columns (3) on the front sides of the left inner ring support steel column (22) and the right inner ring support steel column (24) are adjusted to the direction positions tangential to the wind direction of the main wind direction breeze (9); outer ring swing arc-shaped blades on outer ring support steel columns (2) on the front sides of the left front side outer ring support steel column (21) and the right front side outer ring support steel column (23) are adjusted to be at the positions in the direction tangent to the wind direction of the main wind direction breeze (9).
4. The induced draft and flow guiding method for the all-season breeze energy-gathered wind power generation according to claim 3, wherein the inner ring swing arc-shaped blades on the inner ring support steel columns (3) at the rear sides of the left inner ring support steel column (22) and the right inner ring support steel column (24) are adjusted to be in the radial direction along the horizontal cross section circle of the cylindrical barrel; and adjusting outer ring swing arc-shaped blades on the outer ring support steel columns (2) on the rear sides of the left front side outer ring support steel column (21) and the right front side outer ring support steel column (23) to the radial direction of a horizontal cross section circle of the cylindrical barrel.
5. The induced draft flow guiding method for all-season breeze energy-gathered wind power generation according to claim 4, wherein: the bottom surface (1) of the cylinder body is composed of an outer annular bottom surface (7) and an inner annular bottom surface (8), a conical drainage bulge (6) is arranged in the inner annular bottom surface (8), the outer annular bottom surface (7) is arranged to be an annular inclined surface which is higher at the outer ring and is inclined towards the center, and the inner annular bottom surface (8) is a parabolic rotating curved surface which is in linkage transition with the outer side surface of the conical drainage bulge (6).
6. The induced wind flow guiding method for all-season breeze energy-gathering wind power generation according to claim 5, characterized in that: black anti-corrosion and anti-drag paint coatings are respectively arranged on the bottom surface (1) of the cylinder body, the surface of the left wind shielding partition wall (14), the surface of the right wind shielding partition wall (15), the outer ring swing arc-shaped blade (12) and the inner ring swing arc-shaped blade (13); the outer ring swing arc-shaped blade (12) is provided with a penetrating shaft sleeve (20), and the outer ring swing arc-shaped blade (12) is movably connected to the outer ring support steel column (2) through the penetrating shaft sleeve (20).
7. The induced draft and flow guide method for the all-season breeze energy-gathered wind power generation according to claim 1, wherein the central axis of the outer circle (4) of the bottom surface (1) of the cylinder body, the central axis of the inner circle (5) of the bottom surface (1) of the cylinder body, the central axis of the conical induced draft protrusion (6), the central axis of the communicating hole (11) of the draft cylinder body and the central axis of the draft cylinder body (19) are overlapped together.
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