CN114576870A - A kind of mirror adjustment device for molten salt tower type photothermal power station - Google Patents

Abstract

The invention discloses a mirror surface adjustment device of a molten salt tower type photothermal power station, which belongs to the technical field of photothermal power stations. Including base plate, support table, light shield, power source, cooling fan, transmission mechanism, heliostat mounting frame, fixed column, windproof connecting rod and stable insertion rod; the support platform is installed on one side of the base plate, and the fixed column is installed on the base plate On the other side, the two ends of the support table are respectively connected with the windproof connecting rod, and the windproof connecting rod is connected with the stable insertion rod; the power source is set on the support table, and the light shield is connected with the support table and covers the power source; the light shield is opposite to Air inlets and air outlets are respectively provided on the two sides of the radiator, and the cooling fan is installed at the air inlets; the power source is connected with the heliostat mounting frame through the transmission mechanism, and the heliostat mounting frame is movably connected on the fixed column. The invention can operate reliably under high temperature and high intensity light, and has good windproof performance and stability at the same time.

Description

A kind of mirror adjustment device for molten salt tower type photothermal power station

technical field

The invention belongs to the technical field of photothermal power stations, and in particular relates to a mirror surface adjustment device for a molten salt tower type photothermal power station.

Background technique

The molten salt tower CSP station uses heliostats to collect sunlight on the heat absorber of the central heat absorption tower, and the concentration multiple can reach 500 to 1000. It has the characteristics of high concentration multiple, high steam parameters and high power generation efficiency. Especially suitable for large-scale and high-volume commercial applications.

Since the irradiation angle of sunlight will change with the passage of time, an adjustment device is required to adjust the mirror surface. Since the heliostat works in an environment with strong illumination and high temperature, it is not conducive to the normal operation of the driving device of the adjustment device. ; And due to the harsh environment in which the molten salt tower CSP station is located, the adjustment device needs excellent stability to perform the mirror adjustment operation in windy weather.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned defects of the prior art, the purpose of the present invention is to provide a mirror surface adjustment device for a molten salt tower type CSP station, which can ensure reliable operation under high temperature and high intensity light, and has good windproof performance and stability.

The present invention is achieved through the following technical solutions:

The invention discloses a mirror surface adjustment device of a molten salt tower type photothermal power station, comprising a base plate, a support table, a light shield, a power source, a cooling fan, a transmission mechanism, a heliostat mounting frame, a fixed column, a windproof connecting rod and a stabilizer. plunger;

The support table is installed on one side of the base plate, and the fixed column is installed on the other side of the base plate. The cover is connected to the support table and covers the power source; the two opposite sides of the light shield are respectively provided with an air inlet and an air outlet, and the cooling fan is installed at the air inlet; The mirror mounting frame is movably connected to the fixed column.

Preferably, the power source is a hydraulic cylinder, and the transmission mechanism includes a first connecting sleeve, a second connecting sleeve, a screw rod and an adjusting solenoid; the output shaft of the hydraulic cylinder is connected with the first connecting sleeve, and the first connecting sleeve and the second connecting sleeve are connected The second connecting sleeve is connected with the screw rod, the screw rod is screwed with the adjusting screw, the adjusting screw is connected with the heliostat mounting frame and is connected with the fixed column through the bearing.

Preferably, the power source is a rotating motor, and the transmission mechanism includes a coupling and a rotating shaft; the output shaft of the rotating motor is connected with the rotating shaft through the coupling, and the rotating shaft is connected with the heliostat mounting frame and is connected with the fixed column through a bearing.

Preferably, the light shield includes a first light shield and a second light shield with a split structure, the first light shield and the second light shield are connected by connecting bolts, and the first light shield and the second light shield There are adjustment pads in between.

Preferably, the interior of the light shield is provided with a baffle, and the interior of the baffle is filled with heat insulating material.

Preferably, the air inlet and the air outlet on the light shield are provided with dust nets.

Preferably, the light shield is provided with a transparent observation window, and the transparent observation window is provided with a shading plate that can be opened and closed.

Preferably, a rotation limiting mechanism is provided between the heliostat mounting frame and the fixed column.

Preferably, the surface of the stable insertion rod is provided with anti-skid textures.

Preferably, several diagonal rib plates are arranged between the bottom of the fixed column and the base plate.

Compared with the prior art, the present invention has the following beneficial technical effects:

The mirror surface adjustment device of the molten salt tower type photothermal power station disclosed in the present invention can prevent the power source from being directly irradiated by sunlight through the light shield, reducing most of the photothermal effect, and at the same time, the power source is forced to convect and dissipate heat through the cooling fan, so as to ensure The normal work of the power source increases the service life. The angle of the heliostat mounting frame can be adjusted through the power source and the transmission mechanism, the angle adjustment range is large, and the adjustment efficiency is high, so that the heliostat can always be adjusted in the best position. After the stable insertion rod at the bottom of the base plate is inserted into the ground, the windproof performance and stability of the whole device can be improved through the connection of the windproof rod.

Further, the light shield adopts a split structure, which is convenient for installation and maintenance.

Further, the interior of the light shield is provided with a baffle, and the interior of the baffle is filled with a heat insulating material, which can further improve the heat insulating performance.

Further, the air inlet and the air outlet on the light shielding cover are provided with dustproof nets, which can prevent sundries from entering the light shielding cover.

Further, the light shield is provided with a transparent observation window, which can observe the working state of the internal power source, which is conducive to daily inspection and maintenance; the light shield is usually closed to prevent light from entering.

Further, a rotation limiting mechanism is arranged between the heliostat mounting frame and the fixed column, so as to avoid structural failure caused by an excessively large rotation angle, and improve the stability of the device.

Further, the surface of the stable insertion rod is provided with anti-skid lines, which can improve the firmness of the combination with the foundation.

Further, several diagonal rib plates are arranged between the bottom of the fixed column and the base plate, which can improve the structural strength.

Description of drawings

1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

2 is a schematic structural diagram of the first connecting sleeve or the second connecting sleeve according to Embodiment 1 of the present invention;

Fig. 3 is the structural representation of the heliostat mounting frame, the screw rod and the connection place of the adjusting coil according to the embodiment 1 of the present invention;

4 is a schematic diagram of the overall structure of Embodiment 2 of the present invention;

5 is a schematic structural diagram of a cooling fan of the present invention;

FIG. 6 is a schematic structural diagram of the windproof connecting rod of the present invention.

In the figure, 1 is the base plate, 2 is the support table, 3 is the first light shield, 4 is the second light shield, 5 is the mounting plate, 6 is the power source, 7 is the cooling fan, 8 is the heat insulating material, 9 is the first connecting sleeve, 10 is the second connecting sleeve, 11 is the screw rod, 12 is the adjusting screw, 13 is the heliostat mounting frame, 14 is the fixed column, 15 is the diagonal rib, 16 is the windproof connecting rod, 17 In order to stabilize the rod, 18 is a heliostat, 19 is a coupling, and 20 is a rotating shaft.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

The present invention discloses a mirror surface adjustment device for a molten salt tower type photothermal power station, comprising a base plate 1 , a support table 2 , a light shield, a power source 6 , a cooling fan 7 , a transmission mechanism, a heliostat mounting frame 13 , and a fixed column 14 , the windproof connecting rod 16 and the stable insertion rod 17;

The support table 2 is installed on one side of the base plate 1, the fixed column 14 is installed on the other side of the base plate 1, the two ends of the support table 2 are respectively connected with the windproof connecting rod 16, and the windproof connecting rod 16 is connected with the stable insertion rod 17; the power source 6 is arranged on the support table 2, the light shield is connected with the support table 2 and covers the power source 6; the two opposite sides of the light shield are respectively provided with an air inlet and an air outlet, and the cooling fan 7 is installed at the air inlet; the power source 6 is connected with the heliostat mounting frame 13 through the transmission mechanism, and the heliostat mounting frame 13 is movably connected to the fixed column 14 .

In a preferred embodiment of the present invention, the light shield includes a first light shield 3 and a second light shield 4 with a split structure, and the first light shield 3 and the second light shield 4 are connected by connecting bolts. connected, an adjustment pad is arranged between the first light shield 3 and the second light shield 4 .

In a preferred embodiment of the present invention, a baffle is arranged inside the light shield, and the inside of the baffle is filled with heat insulating material 8, such as heat insulating cotton, glass fiber, aerogel felt and the like.

In a preferred embodiment of the present invention, the air inlet and the air outlet on the light shield are provided with dustproof nets, and the structure of the dustproof nets can block most of the sundries and will not affect the air flow.

In a preferred embodiment of the present invention, the light shield is provided with a transparent observation window, and the transparent observation window is provided with a shading plate that can be opened and closed.

In a preferred embodiment of the present invention, a rotation limiting mechanism is provided between the heliostat mounting frame 13 and the fixed column 14 .

In a preferred embodiment of the present invention, the surface of the stable insertion rod 17 is provided with anti-slip textures.

In a preferred embodiment of the present invention, a plurality of diagonal ribs 15 are arranged between the bottom of the fixed column 14 and the base plate 1 .

Example 1

As shown in Figure 1, Figure 2 and Figure 3, a support table 2 is welded on the upper left side of the base plate 1. The support table 2 includes a support column and a support plate. A first light shield 3 is installed on the upper left side of the support plate through screws. A second light shield 4 is installed on the upper right side of the plate through screws. The first light shield 3 is connected with the second light shield 4 through a screw rod and a nut. A mounting plate 5 is arranged above the support plate. A hydraulic cylinder is installed on the side through screws. The hydraulic cylinder is located inside the first light shield 3 and the second light shield 4. The inside of the first light shield 3 is installed with a cooling fan 7 through screws. As shown in Figure 5, the cooling fan 7 is located in the The left side of the hydraulic cylinder, the upper inner side of the first light shield 3 and the inner upper side of the second light shield 4 are welded with limit plates, the upper part of the limit plates is clamped with thermal insulation cotton, and the right side of the hydraulic cylinder is a telescopic The shaft, the right side of the second light shield 4 is provided with a shaft hole corresponding to the telescopic shaft, the right end of the telescopic shaft is screwed with a first connecting sleeve 9, and the first connecting sleeve 9 includes a screw sleeve and a connecting plate. A second connection sleeve 10 is installed on the right side through a countersunk head screw. The second connection sleeve 10 includes a screw sleeve and a connecting plate. The side of the connecting plate is provided with a thread groove that fits with the countersunk head screw. The right side of the screw sleeve is screwed There is a lead screw 11, the outside of the lead screw 11 is screwed with an adjusting screw 12, the inner wall of the adjusting screw 12 is provided with a thread pair that fits with the screw 11, and the outside of the adjusting screw 12 is installed with the heliostat through a connecting block The frame 13 is welded, and the left and right sides of the adjusting solenoid 12 are assembled with the fixed column 14 through the bearings. The two fixed columns 14 are parallel to each other. The upper part of the fixed column 14 is assembled. Diagonal rib plates 15 are welded between the base plate 1 and the left and right sides of the base plate 1 are connected with stable insertion rods 17 through screws and windproof connecting rods 16. The sides of the stable insertion rods 17 are welded with positioning blocks. The end is the connecting part, and the structure is shown in Figure 6.

The mounting plate 5 and the supporting plate are integrally formed, and the supporting plate is welded on the top of the supporting column. The left side of the first light shield 3 is provided with an air inlet corresponding to the cooling fan 7 , and the right side of the second light shield 4 is provided with an air outlet corresponding to the cooling fan 7 .

Example 2

4, in this embodiment, the power source 6 adopts a rotating motor, and the transmission mechanism includes a coupling 19 and a rotating shaft 20; the output shaft of the rotating motor is connected with the rotating shaft 20 through the coupling 19, and the rotating shaft 20 is installed with the heliostat The frame 13 is connected with the fixed column 14 through a bearing at the same time. The structures of the remaining components and their connection relationships are the same as those in Embodiment 1.

The working method of the above-mentioned molten salt tower type CSP mirror adjustment device:

Install the heliostats 18 on the heliostat mounting frame 13 one by one, insert the bottom of the stable insertion rod 17 into the ground, and fix the entire device firmly to start the cooling fan 7 and the power source 6, and the transmission mechanism will drive the heliostat mounting frame. 13 is rotated; the illumination angle of the sunlight is determined by the illumination sensor, and the inclination angle of the heliostat mounting frame 13 is adjusted in real time according to the illumination angle of the sunlight.

It should be noted that the above is only one of the embodiments of the present invention, and equivalent changes made by the system described in the present invention are all included in the protection scope of the present invention. Those skilled in the art to which the present invention pertains can substitute the specific examples described in a similar manner, as long as they do not deviate from the structure of the present invention or go beyond the scope defined by the claims, they all belong to the protection scope of the present invention.

Claims (10)

1. A mirror surface adjustment device for a molten salt tower type photothermal power station, characterized in that it comprises a base plate (1), a support table (2), a light shield, a power source (6), a cooling fan (7), a transmission mechanism, a heliostat mounting frame (13), a fixed column (14), a windproof connecting rod (16) and a stable insertion rod (17); The support table (2) is installed on one side of the base plate (1), the fixed column (14) is installed on the other side of the base plate (1), and the two ends of the support table (2) are respectively connected with the windproof connecting rod (16) to prevent wind The connecting rod (16) is connected with the stable insertion rod (17); the power source (6) is arranged on the support table (2), and the light shield is connected with the support table (2) and covers the power source (6); the light shield is opposite to An air inlet and an air outlet are respectively opened on the two sides of the cooling fan (7), and the cooling fan (7) is installed at the air inlet; the power source (6) is connected with the heliostat mounting frame (13) through the transmission mechanism, and the heliostat mounting frame (13) ) is movably connected to the fixed column (14). 2. The mirror surface adjustment device for molten salt tower type photothermal power station according to claim 1, wherein the power source (6) is a hydraulic cylinder, and the transmission mechanism comprises a first connecting sleeve (9), a second connecting sleeve (10). ), screw (11) and adjusting solenoid (12); the output shaft of the hydraulic cylinder is connected with the first connecting sleeve (9), the first connecting sleeve (9) is connected with the second connecting sleeve (10), and the second connecting sleeve (9) is connected with the second connecting sleeve (10). The sleeve (10) is connected with the screw rod (11), the screw rod (11) is screwed with the adjusting screw (12), and the adjusting screw (12) is connected with the heliostat mounting frame (13) at the same time through the bearing and the fixed column (14) CONNECTIONS. 3. The mirror surface adjustment device for molten salt tower type photothermal power station according to claim 1, wherein the power source (6) is a rotating motor, and the transmission mechanism comprises a coupling (19) and a rotating shaft (20); the rotating motor The output shaft is connected with the rotating shaft (20) through the coupling (19), and the rotating shaft (20) is connected with the heliostat mounting frame (13) and at the same time connected with the fixed column (14) through the bearing. 4. molten salt tower type photothermal power station mirror adjustment device according to claim 1, is characterized in that, light shield comprises the first light shield (3) and the second light shield (4) of split-lobe structure, The first light shield (3) and the second light shield (4) are connected by connecting bolts, and an adjustment pad is arranged between the first light shield (3) and the second light shield (4). 5 . The mirror surface adjustment device of a molten salt tower type CSP station according to claim 1 , wherein a baffle plate is provided inside the light shield, and the baffle plate is filled with a heat insulating material ( 8 ). 6 . 6 . The mirror surface adjustment device of a molten salt tower type CSP station according to claim 1 , wherein the air inlet and the air outlet on the light shield are provided with dustproof nets. 7 . 7 . The mirror surface adjustment device for molten salt tower type CSP station according to claim 1 , wherein a transparent observation window is provided on the light shield, and an openable and closable visor is provided on the transparent observation window. 8 . 8 . The mirror surface adjustment device of a molten salt tower type CSP station according to claim 1 , wherein a rotation limiting mechanism is provided between the heliostat mounting frame ( 13 ) and the fixed column ( 14 ). 9 . 9 . The mirror surface adjustment device of a molten salt tower type CSP station according to claim 1 , wherein the surface of the stable insertion rod ( 17 ) is provided with anti-skid lines. 10 . 10 . The mirror surface adjustment device of a molten salt tower type CSP station according to claim 1 , wherein a plurality of diagonal ribs ( 15 ) are arranged between the bottom of the fixed column ( 14 ) and the base plate ( 1 ). 11 .

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