CN214275800U

CN214275800U - Fuel mixing device for power plant combustor

Info

Publication number: CN214275800U
Application number: CN202023121079.3U
Authority: CN
Inventors: 王成东; 彭旭阳; 毕天盛; 周民; 章恂
Original assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Current assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-24
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a fuel mixing arrangement for power plant's combustor relates to the fuel field for the power plant's combustor, including the mixing machine case, the mixing machine incasement is equipped with mixing mechanism, mixing mechanism includes cavity frame, the logical groove of bar, lead screw, bar slide, worm, pivot, roller, transmission shaft, driving motor, annular transmission frame, cylindric transmission frame and worm wheel in the annular. The device has simple structural design, convenient operation and low cost. Have crushing function, can realize that large granule material is broken in the mixture, improve and mix machining efficiency, effect.

Description

Fuel mixing device for power plant combustor

Technical Field

The utility model relates to a power plant is fuel field for the combustor, concretely relates to power plant is fuel mixing arrangement for combustor.

Background

The fuel for the power plant combustor generally needs to be mixed and processed in the preparation and use processes, and the existing fuel mixing equipment has complex equipment structure design and high cost for improving the mixing efficiency and effect. When the mixing device realizes mixing processing, a plurality of large-particle substances can exist in the mixture, and the existence of the large-particle substances can reduce the mixing processing efficiency and effect. Therefore, a new solution is now needed.

Disclosure of Invention

In order to solve the problem, the utility model discloses a fuel mixing arrangement for power plant's combustor, the device structural design is simple, the operation of being convenient for, cost reduction. Have crushing function, can realize that large granule material is broken in the mixture, improve and mix machining efficiency, effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fuel mixing device for a power plant combustor comprises a mixing machine case, wherein a mixing mechanism is arranged in the mixing machine case, mixing mechanism includes in the quick-witted incasement top activity of mixture is equipped with in the annular frame, in the annular radian such as the frame lower extreme evenly open the bar that has and lead to the groove, the interior lead screw and the bar slide that all are equipped with of groove are led to the bar, the equal vertical activity runs through the worm that is equipped with on the bar slide, the equal vertical fixed pivot that is equipped with of worm bottom tip, the outside roller that all fixes the cover of pivot, in the annular frame and lie in the equal interval parallel transmission shaft that is equipped with directly over the pivot position, just correspond the transmission motor that do not be equipped with in the frame outside circumference end wall in the annular, the annular transmission frame that the equal vertical activity of transmission shaft position was equipped with in the frame top just corresponds in the annular, the outside cylindric transmission frame and the outside worm wheel that all overlaps of cylindric transmission frame that all has of transmission shaft. The annular hollow frame and the annular transmission frame can rotate freely and circumferentially, the transmission motor and the rotating motor are rotating motors, and bearings are arranged at the positions, corresponding to the worm, of the strip-shaped sliding seats, so that the strip-shaped sliding seats cannot be influenced by rotation of the worm.

As an improvement of the utility model, the outer top middle part of mixer case is equipped with the rotation motor, rotate the vertical downward entering of motor output shaft in the mixer case, and its stretch into the end tip with evenly fixed being equipped with the link between the inboard end wall of cavity frame in the annular, open on the top of mixer case has the annular groove, cavity frame upper end wall activity embedding in the annular, the logical groove of bar is all followed cavity frame cross section outer end direction of radius is seted up in the annular, the logical groove length direction both sides inner of bar all is equipped with the bar slide, the equal activity of lead screw length direction both ends tip runs through the bar slide sets up, the bar slide activity run through the department in the end wall with all be equipped with the lead screw drive assembly between the lead screw outside. The screw rod transmission assembly is designed by adopting the existing screw rod transmission principle technology.

As an improvement of the utility model, the uniform end part of the transmission shaft penetrates through the circumferential end wall outside the annular hollow frame and extends out, and the extending end part of the transmission shaft is externally connected with the transmission motor, both sides of the length direction of the transmission shaft are sleeved with the cylindrical transmission frame, the caliber of the inner end of the cylindrical transmission frame is larger than the diameter of the cross section of the transmission shaft, guide rails are uniformly arranged on the outer end walls of both sides of the length direction of the transmission shaft at equal radian, the guide rails are all arranged along the length direction of the transmission shaft, guide grooves are uniformly arranged on the inner end wall of the cylindrical transmission frame at equal radian, the guide grooves are all arranged along the length direction of the cylindrical transmission frame, and both ends of the length direction are designed to be opened, the annular connection frame is sleeved outside the cylindrical transmission frame, and a bearing-shaped connection piece is arranged between the inner end wall of the annular connection frame and the outer end wall of the cylindrical transmission frame, annular link outer end wall with all fixed connecting rods that are equipped with between the bar slide, the equal activity of transmission shaft runs through annular transmission frame central part sets up, the lead screw is outside and corresponds annular transmission frame position all overlaps and has drive gear, the impartial radian is evenly opened on the annular transmission frame outside circumference end wall has the transmission tooth's socket, the outside teeth of a cogwheel of drive gear with the transmission tooth's socket all meshes the transmission each other. The guide rail is matched with the guide groove for use, and the bearing-shaped connecting piece is similar to the existing bearing structure.

As an improvement of the utility model, impartial radian is evenly opened on the inboard end wall of ring gear frame has the keyway, the transmission shaft is outside and corresponding the keyway position all articulates and is equipped with the actuating lever, the actuating lever be close to its hinged end position department with all be equipped with the spring between the outer end wall of transmission shaft, it has feed inlet, bottom to open at mixer box side end wall top to mix to open has the discharge opening, just feed inlet, discharge opening department all are equipped with the switch lid, the barrel gear frame is outside and correspond other covers are equallyd divide to the worm position the worm wheel, the worm wheel with the worm meshes the transmission each other.

Compared with the prior art, the utility model has the advantages of as follows: the device has simple structural design, convenient operation and low cost. Be equipped with mixing mechanism and make the device have crushing function, can realize that large granule material is broken in the mixture, improve and mix machining efficiency, effect. The regulation and control of the gap distance between the rollers can be realized according to specific requirements.

Drawings

FIG. 1 is a schematic view of the overall structure of a fuel mixing device for a power plant combustor according to the present invention;

FIG. 2 is a schematic view of the transmission structure of the transmission motor;

FIG. 3 is a schematic view of a drive rod transmission;

list of reference numerals: 1. a mixing cabinet; 2. a mixing mechanism; 3. an annular hollow frame; 4. a strip-shaped through groove; 5. a screw rod; 6. a strip-shaped slide carriage; 7. a worm; 8. a rotating shaft; 9. a roller; 10. a drive shaft; 11. a drive motor; 12. an annular transmission frame; 13. a cylindrical transmission frame; 14. a worm gear; 15. rotating the motor; 16. an annular connecting frame; 17. a transmission gear; 18. a keyway; 19. a drive rod.

Detailed Description

Example 1: referring to fig. 1, fig. 2, fig. 3, it is right now the utility model provides a fuel mixing device for power plant's combustor explains, including mixer case 1, be equipped with mixing mechanism 2 in the mixer case 1, mixing mechanism 2 includes in the mixer case 1 in the annular cavity frame 3 that the top activity was equipped with, the annular cavity frame 3 in radian such as the annular cavity frame 3 lower extreme evenly open the bar lead to the groove 4, the bar lead screw 5 that all is equipped with in the groove 4 is led to the groove 4 to the bar, bar slide 6 go up equal vertical activity runs through the worm 7 that is equipped with, the equal vertical pivot 8 that is equipped with of worm 7 bottom tip, the outside roller 9 that all fixes the cover and have of pivot 8, in the annular cavity frame 3 and lie in the equal interval parallel transmission shaft 10 that is equipped with directly over the position of pivot 8, on the annular cavity frame 3 outside circumference end wall and correspond transmission shaft 10 position and equally divide the annular transmission motor 11 that the equal vertical activity that does not be equipped with in the top of transmission shaft 10 position and correspond in the annular cavity frame 3 12. A cylindrical transmission frame 13 sleeved outside the transmission shaft 10 and a worm wheel 14 sleeved outside the cylindrical transmission frame 13.

Example 2: referring to fig. 1 and 2, a fuel mixing device for a power plant combustor provided by the present invention will now be described, a rotating motor 15 is arranged in the middle of the outer top end of the mixing case 1, an output shaft of the rotating motor 15 vertically extends downwards into the mixing case 1, and a connecting frame is uniformly and fixedly arranged between the end part of the extending end of the connecting frame and the end wall of the inner side of the annular hollow frame 3, the inner top end of the mixing case 1 is provided with an annular groove, the upper end wall of the annular hollow frame 3 is movably embedded into the annular groove, the strip-shaped through grooves 4 are all arranged along the radial direction of the outer end of the cross section of the annular hollow frame 3, the inner ends of the two sides of the strip-shaped through grooves 4 in the length direction are both provided with strip-shaped sliding seats 6, the end parts of the two ends of the length direction of the screw rod 5 are movably penetrated through the bar-shaped sliding seat 6, and the inner end wall of the movably penetrated part of the bar-shaped sliding seat 6 and the outside of the screw rod 5 are respectively provided with a screw rod transmission assembly.

Example 3: referring to fig. 1 and 2, the fuel mixing device for the power plant combustor provided by the present invention is now described, wherein an end portion of a uniform end of a transmission shaft 10 penetrates through an end wall of an outer circumference of an annular hollow frame 3 and extends out, and the end portion of the extending end of the transmission shaft is externally connected to a transmission motor 11, cylindrical transmission frames 13 are respectively sleeved on two sides of the length direction of the transmission shaft 10, the inner end diameter of each cylindrical transmission frame 13 is larger than the diameter of the cross section of the transmission shaft 10, guide rails are uniformly arranged on the end walls of the two sides of the length direction of the transmission shaft 10 at equal radians, the guide rails are arranged along the length direction of the transmission shaft 10, guide grooves are uniformly arranged on the end walls of the inner end of the cylindrical transmission frames 13 at equal radians, the guide grooves are all arranged along the length direction of the cylindrical transmission frames 13, and are designed to have openings at two ends of the length direction, an annular connecting frame 16 is respectively sleeved on the outer portion of the cylindrical transmission frames 13, 16 inboard end walls of annular link frame with all be equipped with bearing shape connecting piece between the 13 outer end walls of cylindric transmission frame, 16 outer end walls of annular link frame with equal fixed connecting rod that is equipped with between the

bar slide

6, 10 equal activities of transmission shaft run through 12 central parts of annular transmission frame set up, 5 outsides of lead screw just correspond 12 positions of annular transmission frame all overlap and have drive gear 17, the impartial radian is evenly opened on the 12 outside circumference end walls of annular transmission frame has the transmission tooth's socket, the outside teeth of a cogwheel of drive gear 17 with the transmission tooth's socket is the equal meshing transmission each other.

Example 4: referring to fig. 1, fig. 2, fig. 3, it is right now the utility model provides a pair of fuel mixing arrangement for power plant's combustor explains, impartial radian is evenly opened on the 12 inboard end walls of ring gear frame has keyway 18, transmission shaft 10 is outside and corresponds keyway 18 position all articulates and is equipped with actuating lever 19, actuating lever 19 be close to its hinged end position department with all be equipped with the spring between the 10 outer end walls of transmission shaft, 1 side wall top of mixer case is opened there is the feed inlet, the bottom is opened there is the discharge opening, just feed inlet, discharge opening department all are equipped with the switch lid, the cylindric transmission frame 13 is outside and corresponds worm 7 position is equallyd divide do not overlap and is had worm wheel 14, worm wheel 14 with the worm 7 meshing transmission each other.

The utility model discloses can also form new implementation mode with embodiment 1 with at least one in embodiment 2, 3, 4 the technical characterstic.

The working principle is as follows: when the mixture is guided into the mixing machine case, the rotating motor can drive the annular hollow frame to rotate together through the connecting frame, the rotating shaft and the roller can be driven to rotate together by the rotation of the annular hollow frame, and the mixing of the mixture to be mixed in the mixing machine case can be realized. The transmission motor corotation or reversal can drive the transmission shaft and rotate, and when the transmission shaft rotated along a certain direction, the actuating lever that is equipped with and keyway cooperation function can drive the annular transmission frame and rotate, and when the transmission shaft antiport, then the actuating lever can't drive the annular transmission frame and rotate. The rotation of annular transmission frame can drive the lead screw through transmission tooth's socket, drive gear and rotate, and the rotation of lead screw can drive bar slide relative or opposite direction motion each other through lead screw drive assembly, and the regulation and control of clearance distance between the roller can be realized in the motion of bar slide. The motion of bar slide can drive the cylindric drive frame through the connecting rod and slide along transmission shaft length direction, and the directional motion of cylindric drive frame can be realized with the cooperation of guide way, and the setting up of bearing shape connecting piece makes the cylindric drive frame can not exert an influence to annular link when rotating. The rotation of transmission shaft can drive the rotation of cylindric drive frame through guided way, guide way, and the rotation of cylindric drive frame can drive the pivot through worm wheel, worm and rotate, and the rotation of pivot can drive the roller and rotate in the lump, can realize treating the breakage of mixture, improves mixing efficiency, effect.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a fuel mixing arrangement for power plant's combustor, includes mixing box (1), a serial communication port, be equipped with mixing mechanism (2) in mixing box (1), mixing mechanism (2) include in mixing box (1) the activity of top be equipped with in the annular hollow frame (3), the annular hollow frame (3) radian such as lower extreme evenly open some bar lead to groove (4), bar lead to silk (5) and bar slide (6) that all are equipped with in groove (4), bar slide (6) go up equal vertical activity run through worm (7) that are equipped with, pivot (8) bottom tip equal vertical fixed pivot (8) that are equipped with, pivot (8) outside roller (9) that all fix cover, the annular hollow frame (3) just are located pivot (8) position and all separate transmission shaft (10) that the parallel was equipped with directly over, annular hollow frame (3) outside end wall and correspond transmission shaft (10) position and equally divide and do not be equipped with transmission motor (11), The middle side of the inner top end of the annular hollow frame (3) is vertically and movably provided with an annular transmission frame (12) corresponding to the position of the transmission shaft (10), the cylindrical transmission frame (13) sleeved outside the transmission shaft (10) and a worm wheel (14) sleeved outside the cylindrical transmission frame (13) are also provided.

2. A fuel mixing apparatus for a power plant combustor according to claim 1, characterized in that: a rotating motor (15) is arranged in the middle of the outer top end of the mixing case (1), an output shaft of the rotating motor (15) vertically extends downwards into the mixing case (1), and a connecting frame is uniformly and fixedly arranged between the end part of the extending end of the connecting frame and the inner side end wall of the annular hollow frame (3), the inner top end of the mixing case (1) is provided with an annular groove, the upper end wall of the annular hollow frame (3) is movably embedded into the annular groove, the strip-shaped through grooves (4) are all arranged along the radial direction of the outer end of the cross section of the annular hollow frame (3), the inner ends of the two sides of the strip-shaped through groove (4) in the length direction are respectively provided with a strip-shaped sliding seat (6), the end parts of the two ends of the screw rod (5) in the length direction are movably arranged through the bar-shaped sliding seat (6), and screw rod transmission assemblies are arranged between the inner end wall of the movable penetrating position of the strip-shaped sliding seat (6) and the outside of the screw rod (5).

3. A fuel mixing apparatus for a power plant combustor according to claim 2, characterized in that: transmission shaft (10) homogeneous end tip runs through in the annular cavity frame (3) outside circumference end wall stretches out, and it stretches out that the end tip is all external transmission motor (11), transmission shaft (10) length direction both sides all overlap and have cylindric transmission frame (13), cylindric transmission frame (13) inner bore is greater than transmission shaft (10) cross section diameter, impartial radian evenly is equipped with the guided way on transmission shaft (10) length direction both sides outer end wall, the guided way is all followed transmission shaft (10) length direction sets up, impartial radian evenly opens on cylindric transmission frame (13) inner end wall has the guide way, the guide way is all followed cylindric transmission frame (13) length direction sets up, and the equal open design in its length direction both ends, cylindric transmission frame (13) outside all overlaps has annular connection frame (16), annular connection frame (16) inboard end wall with all be equipped with bearing shape connecting piece between cylindric transmission frame (13) outer end wall The outer end wall of annular link frame (16) with all fixed being equipped with the connecting rod between bar slide (6), the equal activity of transmission shaft (10) is run through annular gear frame (12) central part sets up, lead screw (5) outside just corresponds annular gear frame (12) position all overlaps and has drive gear (17), the impartial radian is evenly opened on the outer circumference end wall of annular gear frame (12) has the transmission tooth's socket, the outside teeth of a cogwheel of drive gear (17) with the transmission tooth's socket all meshes the transmission each other.

4. A fuel mixing apparatus for a power plant combustor according to claim 3, characterized in that: equal radian is evenly opened on annular drive frame (12) inboard end wall has keyway (18), transmission shaft (10) outside and corresponding keyway (18) position all articulates and is equipped with actuating lever (19), actuating lever (19) be close to its hinged end position department with all be equipped with the spring between transmission shaft (10) the outer end wall, open at mixer case (1) side end wall top has feed inlet, bottom to open there is the discharge opening, just feed inlet, discharge opening department all are equipped with the switch lid, barrel-shaped drive frame (13) outside and correspond worm (7) position is equallyd divide and is do not overlapped worm wheel (14), worm wheel (14) with worm (7) mesh transmission each other.