CN112360769A

CN112360769A - Special gas compressing device for gas power generation

Info

Publication number: CN112360769A
Application number: CN202011379877.8A
Authority: CN
Inventors: 娄加建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-02-12

Abstract

The invention discloses a special gas compressing device for gas power generation, which comprises a protective shell, wherein a pressurizing cavity is arranged in the protective shell, a driving impeller, a balance impeller and a conveying impeller are sequentially arranged in the pressurizing cavity, the driving impeller is connected with the balance impeller through a first guide rod, the balance impeller is connected with the conveying impeller through a second guide rod, the upper end and the lower end of the front side of the pressurizing cavity are respectively provided with a gas inlet pipeline, the outer wall of the center of the front side of the pressurizing cavity is provided with a driving motor, the driving motor is connected with a driving movable impeller, the rear side of the pressurizing cavity is provided with a diffuser, the diffuser corresponds to the conveying impeller, and the diffuser; the invention has simple structure and novel design, and replaces the traditional connecting structure of the impeller and the rectifier by utilizing the mutual connection of the driving impeller, the balance impeller and the conveying impeller, thereby effectively avoiding the mutual interference caused by unstable air pressure between the blades and the rectifier and effectively improving the supercharging efficiency of the whole air compressing device.

Description

Special gas compressing device for gas power generation

Technical Field

The invention relates to the technical field of thermal power generation, in particular to a special gas compressing device for gas power generation.

Background

Along with the development and application of natural gas resources, the use of gas generator sets is increased gradually in power systems in China, and the effect of gas power generation in the power industry in China is enhanced gradually; the working principle is that the gas is conveyed into a combustion chamber of the thermal power generation device, and heat generated by full combustion of the gas is utilized to convert heat energy into mechanical energy so as to achieve the purpose of power generation;

in order to improve the combustion efficiency of the gas, the delivered gas needs to be pressurized, so that the pressure of the whole gas is improved, but the existing gas compressing device is low in efficiency, and the whole gas compressing device vibrates greatly in work, so that the blades are easy to generate cracks due to the influence of vibration;

the existing air compressing device is generally characterized in that the blades are connected with the rectifier to keep the balance of the air pressure in the whole device, but certain interference can be generated between the blades and the rectifier after the working time is long, so that the supercharging effect of the whole air compressing device is influenced.

Disclosure of Invention

The invention aims to provide a special gas compressing device for gas power generation, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special device of calming anger of gas power generation, includes the protective housing, be equipped with the pressure boost chamber in the protective housing, be equipped with initiative impeller, balanced impeller and delivery impeller in the pressure boost chamber in proper order, be connected through first guide arm between initiative impeller and the balanced impeller, be connected through the second guide arm between balanced impeller and the delivery impeller, the upper and lower both ends of pressure boost chamber front side all are equipped with admission line, be equipped with driving motor on the outer wall of pressure boost chamber front side central authorities, driving motor is connecting the main movable impeller, the rear side in pressure boost chamber is equipped with the diffuser, the diffuser is corresponding with delivery impeller, the outlet duct is being connected to the diffuser.

Preferably, the balance impeller comprises a balance connecting block and balance blades, a circle of balance blades is arranged on the balance connecting block, each balance blade is obliquely arranged on the balance connecting block, a sliding block is fixed at the top end of each balance blade, the bottom of each sliding block is arc-shaped, each sliding block is arranged in a sliding groove, each sliding groove is arranged on the inner wall of the pressurizing cavity, the concave surface of each sliding groove is arc-shaped and is attached to the bottom of each sliding block, a buffer spring is arranged between each balance blade, and two ends of each buffer spring are respectively fixed on the sliding block of each balance blade;

a second gear clamping groove and a third gear clamping groove are respectively formed in two sides of the balance connecting block;

a plurality of reinforcing rods are arranged on the outer wall of one circle of the pressurizing cavity, the reinforcing rods are positioned on the convex surface of the sliding groove, the other ends of the reinforcing rods are fixed on the protective shell, and a damping spring is arranged on each reinforcing rod;

a first transmission gear and a second transmission gear are respectively arranged on two sides of the first guide rod, and a third transmission gear and a fourth transmission gear are respectively arranged on two sides of the second guide rod;

and a second transmission gear is clamped in the second gear clamping groove, and a third transmission gear is clamped in the third gear clamping groove.

Preferably, the initiative impeller includes initiative connecting block and initiative blade, be equipped with round initiative blade on the initiative connecting block, every the initiative blade is the slope form and sets up on the initiative connecting block, one side of initiative connecting block is equipped with swivel bearing, driving motor is being connected to swivel bearing, the opposite side of initiative connecting block is equipped with first gear clamping groove, the joint has first drive gear in the first gear clamping groove.

Preferably, the conveying impeller comprises a conveying connecting block and conveying blades, a circle of driving blades is arranged on the conveying connecting block, each conveying blade is arranged on the conveying connecting block in an inclined mode, a fourth gear clamping groove is formed in the conveying connecting block, and a fourth transmission gear is clamped in the fourth gear clamping groove.

Preferably, the cover has solid fixed ring on the swivel bearing, gu be equipped with the round recess on the fixed ring's the inner wall, be equipped with a plurality of balls in the recess, gu be equipped with two bracing pieces on the fixed ring's the outer wall, the upper and lower both ends at the pressure boost chamber are fixed respectively to the bracing piece, fix mutually through two first strengthening ribs between initiative connecting block and the balanced connecting block, the opposite side of balanced connecting block is fixed mutually through two second strengthening ribs with carrying between the connecting block.

Preferably, the diffuser is a vaneless diffuser.

Compared with the prior art, the invention has the beneficial effects that:

1. the gas compressor is simple in structure and novel in design, the driving impeller, the balance impeller and the conveying impeller are connected with each other, the traditional connecting structure of the impeller and the rectifier is replaced, the balance impeller is driven to rotate by the driving impeller, the balance impeller is driven to rotate by the rotating force of the driving impeller under the transmission of the first guide rod, then the conveying impeller is driven to rotate by the balance impeller under the transmission of the second guide rod, the larger impact force caused by the fact that the driving impeller is gradually reduced and the balance driving impeller rotates and pressurizes is used for balancing, gas can be always pressurized under the condition of uniform speed and stability in the gas compressor, and therefore mutual interference caused by unstable gas pressure between the blades and the rectifier is effectively avoided, and the pressurizing efficiency of the whole gas compressor is effectively improved;

2. the sliding blocks are arranged on the blades of the balance impeller and are arranged in the sliding grooves to rotate, so that the blades of the balance impeller can be well protected from being interfered by large impact force caused by pressurization of the driving impeller when rotating, and vibration generated when the sliding blocks rotate in the sliding grooves can be effectively reduced by arranging the buffer springs between the sliding blocks and the sliding blocks, so that the blades can be effectively protected;

3. according to the invention, the reinforcing rod is arranged on the outer wall of the pressurizing cavity, and the damping spring is arranged on the reinforcing rod, so that the vibration generated during the operation of the whole pressurizing cavity can be effectively reduced, the blades in the pressurizing cavity can be effectively protected, and the generation of cracks can be prevented;

4. according to the invention, the fixing rings, the supporting rods, the first reinforcing ribs and the second reinforcing ribs are arranged among the driving motor, the driving impeller, the balance impeller and the conveying impeller, so that the connection and fixation among the driving motor, the driving impeller, the balance impeller and the conveying impeller can be enhanced, the driving impeller, the balance impeller and the conveying impeller can be tightly connected under high-speed rotation, and the stability of the whole air compressing device in operation is ensured.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a balance impeller of the present invention;

FIG. 3 is a schematic view of a cross-sectional connection of the containment vessel and plenum chamber of the present invention;

FIG. 4 is a schematic view of a first guide bar according to the present invention;

FIG. 5 is a schematic view of a second guide bar according to the present invention;

FIG. 6 is a schematic view of the structure of the driving impeller of the present invention;

fig. 7 is a schematic view of the structure of the output impeller of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be configured in a specific orientation, and operate, and thus, cannot be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution: a special gas compressing device for gas power generation, which comprises a protective shell 1, wherein a pressurizing cavity 2 is arranged in the protective shell 1, a driving impeller 3, a balance impeller 4 and a conveying impeller 5 are sequentially arranged in the pressurizing cavity 2, the driving impeller 3 is connected with the balance impeller 4 through a first guide rod 6, the balance impeller 4 is connected with the conveying impeller 5 through a second guide rod 7, the upper end and the lower end of the front side of the pressurizing cavity 2 are respectively provided with an air inlet pipeline 8, the air inlet pipelines at the two ends can be selectively used, if only one air inlet pipeline is needed, the air inlet pipeline at the other side can be sealed, a driving motor 31 is arranged on the outer wall of the center of the front side of the pressurizing cavity 2, the driving motor 31 is connected with the driving impeller 3, the back side of the supercharging cavity 2 is provided with a diffuser 9, the diffuser 9 corresponds to the conveying impeller 5, and the diffuser 9 is connected with the air outlet pipe 10.

In this embodiment, the balance impeller 4 includes a balance connecting block 41 and a balance blade 42, a circle of balance blades 42 is disposed on the balance connecting block 41, each balance blade 42 is obliquely disposed on the balance connecting block 42, a slider 43 is fixed to a top end of each balance blade 42, a bottom of the slider 43 is arc-shaped, the slider 43 is disposed in a chute 21, the chute 21 is disposed on an inner wall of the supercharging cavity 2, a concave surface of the chute 21 is arc-shaped and is attached to a bottom of the slider 43, the balance impeller can be ensured to always operate in a stable state through a compact connecting structure, a buffer spring 44 is disposed between each balance blade 42, and two ends of the buffer spring 44 are respectively fixed to the slider 43 of each balance blade 42; the vibration generated when the sliding block rotates in the sliding groove can be effectively reduced by arranging the buffer spring, so that the blades can be effectively protected;

a second gear clamping groove 45 and a third gear clamping groove 46 are respectively arranged on two sides of the balance connecting block 42;

a plurality of reinforcing rods 22 are arranged on the outer wall of one circle of the pressurizing cavity 2, the reinforcing rods 22 are positioned on the convex surface of the sliding groove 21, the other ends of the reinforcing rods 22 are fixed on the protective shell 1, and a damping spring 23 is arranged on each reinforcing rod 22; the vibration generated during the operation of the whole pressurizing cavity can be effectively reduced, so that the blades in the pressurizing cavity can be effectively protected, and the blades can be prevented from generating cracks;

a first transmission gear 61 and a second transmission gear 62 are respectively arranged on two sides of the first guide rod 6, and a third transmission gear 71 and a fourth transmission gear 72 are respectively arranged on two sides of the second guide rod 7;

a second transmission gear 62 is clamped in the second gear clamping groove 45, and a third transmission gear 71 is clamped in the third gear clamping groove 46.

In this embodiment, the driving impeller 3 includes a driving connecting block 32 and a driving blade 33, a circle of driving blade 33 is arranged on the driving connecting block 32, every driving blade 33 is inclined to be arranged on the driving connecting block 32, a rotating bearing 34 is arranged on one side of the driving connecting block 32, the rotating bearing 33 is connected with a driving motor 31, a first gear clamping groove 34 is arranged on the other side of the driving connecting block 32, and a first transmission gear 61 is clamped in the first gear clamping groove 34.

In this embodiment, the conveying impeller 5 includes a conveying connecting block 51 and a conveying blade 52, a circle of driving blades 52 is arranged on the conveying connecting block 51, each conveying blade 52 is obliquely arranged on the conveying connecting block 51, a fourth gear slot 53 is arranged on the conveying connecting block 51, and a fourth transmission gear 72 is clamped in the fourth gear slot 53.

In this embodiment, the cover has solid fixed ring 35 on swivel bearing 33, be equipped with the round recess on solid fixed ring 35's the inner wall, be equipped with a plurality of balls 36 in the recess, assist swivel bearing to rotate in the solid fixed ring through the ball, be equipped with two bracing pieces 37 on solid fixed ring 35's the outer wall, bracing piece 37 is fixed respectively at the upper and lower both ends in pressure boost chamber 2, it is fixed mutually through two first strengthening ribs 47 between initiative connecting block 32 and the balanced connecting block 41, the opposite side of balanced connecting block 41 is fixed mutually through two second strengthening ribs 54 with carrying between the connecting block 51.

In this embodiment, the diffuser 9 is a vaneless diffuser.

The working principle is as follows: the gas gets into from the admission line of the device that calms the anger, start driving motor, it rotates to drive the initiative impeller through the rotary bearing, then the turning force of initiative impeller is under the transmission of first guide arm, drive balanced impeller and rotate, then balanced impeller drives the delivery impeller and rotates under the transmission of second guide arm, thereby make the initiative impeller, balanced impeller and delivery impeller rotate together in the pressure boost intracavity again, through the rotational speed flow of rotatory increase gas, make the gas can carry out the pressure boost under the continuous diffusion of high velocity gas flow, then the gas passes through the further pressure boost of diffuser again, in order to reach and provide high pressure for the combustion chamber, high temperature gas's purpose, the effectual efficiency that improves gas combustion.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special device of calming anger of gas power generation, includes protective housing (1), its characterized in that: be equipped with pressure boost chamber (2) in protective housing (1), be equipped with initiative impeller (3), balanced impeller (4) and delivery impeller (5) in pressure boost chamber (2) in proper order, be connected through first guide arm (6) between initiative impeller (3) and balanced impeller (4), be connected through second guide arm (7) between balanced impeller (4) and the delivery impeller (5), the upper and lower both ends of pressure boost chamber (2) front side all are equipped with admission line (8), be equipped with driving motor (31) on the outer wall of pressure boost chamber (2) front side central authorities, driving motor (31) are connecting main movable impeller (3), the rear side of pressure boost chamber (2) is equipped with diffuser (9), diffuser (9) are corresponding with delivery impeller (5), outlet duct (10) are being connected to diffuser (9).

2. The gas compressing device special for gas power generation as claimed in claim (1), wherein: the balance impeller (4) comprises a balance connecting block (41) and balance blades (42), a circle of balance blades (42) is arranged on the balance connecting block (41), each balance blade (42) is obliquely arranged on the balance connecting block (42), a sliding block (43) is fixed at the top end of each balance blade (42), the bottom of each sliding block (43) is arc-shaped, each sliding block (43) is arranged in a sliding groove (21), each sliding groove (21) is arranged on the inner wall of a pressurizing cavity (2), the concave surface of each sliding groove (21) is arc-shaped and is attached to the bottom of each sliding block (43), a buffer spring (44) is arranged between each balance blade (42), and two ends of each buffer spring (44) are respectively fixed on the sliding block (43) of each balance blade (42);

a second gear clamping groove (45) and a third gear clamping groove (46) are respectively formed in two sides of the balance connecting block (42);

a plurality of reinforcing rods (22) are arranged on the outer wall of one circle of the pressurizing cavity (2), the reinforcing rods (22) are positioned on the convex surface of the sliding groove (21), the other ends of the reinforcing rods (22) are fixed on the protective shell (1), and damping springs (23) are arranged on the reinforcing rods (22);

a first transmission gear (61) and a second transmission gear (62) are respectively arranged on two sides of the first guide rod (6), and a third transmission gear (71) and a fourth transmission gear (72) are respectively arranged on two sides of the second guide rod (7);

a second transmission gear (62) is connected in the second gear clamping groove (45) in a clamping mode, and a third transmission gear (71) is connected in the third gear clamping groove (46) in a clamping mode.

3. The gas compressing device special for gas power generation as claimed in claim (1), wherein: initiative impeller (3) are including initiative connecting block (32) and initiative blade (33), be equipped with round initiative blade (33) on initiative connecting block (32), every initiative blade (33) are the slope form and set up on initiative connecting block (32), one side of initiative connecting block (32) is equipped with swivel bearing (34), driving motor (31) is being connected in swivel bearing (34), the opposite side of initiative connecting block (32) is equipped with first gear clamping groove (36), the joint has first transmission gear (61) in first gear clamping groove (36).

4. The gas compressing device special for gas power generation as claimed in claim (1), wherein: conveying impeller (5) are including carrying connecting block (51) and conveying blade (52), be equipped with round initiative blade (52) on carrying connecting block (51), every conveying blade (52) are the slope form and set up on carrying connecting block (51), be equipped with fourth gear draw-in groove (53) on carrying connecting block (51), fourth gear draw-in groove (53) inside joint has fourth drive gear (72).

5. The gas compressing device special for gas power generation as claimed in claim (1), wherein: the cover has solid fixed ring (35) on swivel bearing (33), be equipped with the round recess on the inner wall of solid fixed ring (35), be equipped with a plurality of balls in the recess, be equipped with two bracing pieces (37) on the outer wall of solid fixed ring (35), the upper and lower both ends in pressure-increasing chamber (2) are fixed respectively in bracing piece (37), fix mutually through two first strengthening ribs (47) between initiative connecting block (32) and balanced connecting block (41), the opposite side of balanced connecting block (41) and carry between connecting block (51) to fix mutually through two second strengthening ribs (54).

6. The gas compressing device special for gas power generation as claimed in claim (1), wherein: the diffuser (9) adopts a vaneless diffuser.