CN210599576U

CN210599576U - Inlet adjustable guide vane for high-temperature and high-pressure steam compressor

Info

Publication number: CN210599576U
Application number: CN201920922711.2U
Authority: CN
Inventors: 房爱兵; 林峰; 王永生
Original assignee: Changxing Yongneng Power Technology Co ltd
Current assignee: Changxing Yongneng Power Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-22
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses an import adjustable guide vane for a high-temperature high-pressure steam compressor, which comprises an electric actuator, an inner shell and an active adjusting blade, wherein the electric actuator is fixedly connected with the active adjusting blade through an end face tooth, the active adjusting blade is connected with a blade supporting bearing in a matching way, a hole is arranged on the shell, and the blade supporting bearing is matched in the hole of the shell; initiative adjusting blade rear end and initiative connecting rod one end fixed connection, the initiative connecting rod other end articulates there is the initiative joint bar, the utility model discloses widen centrifugal vapor compressor's working range on a large scale effectively for centrifugal vapor compressor can be more extensive be suitable for various operating modes in using, very big improvement centrifugal vapor compressor's range of application, simultaneously greatly reduced centrifugal vapor compressor consume the merit under the low discharge operating mode.

Description

Inlet adjustable guide vane for high-temperature and high-pressure steam compressor

Technical Field

The utility model relates to a vapor compressor technical field specifically is an adjustable stator of import for high temperature high pressure vapor compressor.

Background

The steam compressor has wide application in the industries of chemical industry, food, paper making, medicine, seawater desalination and the like, and in the steam compressor, the centrifugal steam compressor has wide development and market promotion in recent years due to higher efficiency, larger flow, higher reliability and longer service life. However, in the face of various working conditions, the working range of the common centrifugal vapor compressor is difficult to meet the use requirements of all users. When a user needs to reduce the flow of the compressor, the prior art can only adjust the compressor by improving the outlet pressure of the compressor, so that the compressor has low working energy efficiency and high power consumption on one hand, and on the other hand, the compressor approaches a surge boundary, so that certain safety problem is brought. When a user needs a large flow, the compressor is in a dilemma that the compressor works to a blockage point. In the prior art, an effective method for solving the problem of difficult operation of the centrifugal vapor compressor under variable working conditions is not available in the centrifugal vapor compressor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing problem, and providing an import adjustable guide vane for high temperature and high pressure steam compressor who widens compressor working range and reduce the energy consumption.

The technical solution of the utility model is as follows:

an inlet adjustable guide vane for a high-temperature and high-pressure steam compressor comprises an electric actuator, an inner shell and an active adjusting blade, wherein the electric actuator is fixedly connected with the active adjusting blade through end face teeth, the active adjusting blade is connected with a blade supporting bearing in a matched mode, a hole is formed in the inner shell, and the blade supporting bearing is matched in the hole of the inner shell; the rear end of the active adjusting blade is fixedly connected with one end of an active connecting rod, and the other end of the active connecting rod is hinged with an active joint rod; one side of the inner shell is fixedly connected with a driving ring bearing, the outer side of the driving ring bearing is matched with a driving ring, and the driving joint rod is hinged with the driving ring; the rear end of the driven adjusting blade is fixedly connected with one end of a driven connecting rod, the other end of the driven connecting rod is hinged with a driven joint rod, and the driven joint rod is hinged with the driving ring.

Preferably, the inner shell is fixedly connected with a limiting block, and the limiting block can limit the movement position of the driving joint rod and avoid overlarge adjustment range.

Preferably, a blade positioning sleeve is arranged between the driving connecting rod and the blade supporting bearing, the blade positioning sleeve is tightly matched with the driving adjusting blade, and the blade positioning sleeve plays a role in fixing the blade.

Preferably, the steam generator further comprises an outer shell, the outer shell and the inner shell are fixedly connected to form a cavity, a packing sealing body is arranged between the outer shell and the electric actuator, and the outer shell and the packing sealing body have the functions of preventing steam from leaking to the outside of the equipment and preventing steam from leaking from the extending shaft of the collecting blade.

Preferably, an actuator support leg flange is arranged below the electric actuator, and the actuator support leg flange is fixedly connected with the outer shell.

Preferably, the active adjusting blade is fixedly connected with the active connecting rod through a compression nut, and a spring gasket is arranged below the compression nut.

Preferably, the lowest part of the bottom of the outer shell is provided with an opening, and the pipeline is welded at the opening.

The beneficial effects of the utility model reside in that:

the rotation of the active adjusting blade and the driven adjusting blade is driven by the same electric actuator through the active connecting rod and the passive connecting rod, namely, the electric actuator drives the active adjusting blade to rotate, the active connecting rod drives the driving ring to rotate through the active joint rod, so that the purpose of driving the driven joint rod to drive the driven adjusting blade is achieved, the change of the angle of the blade can change the flow of an inlet of the vapor compressor, the working range of the centrifugal vapor compressor can be effectively widened in a large range, the centrifugal vapor compressor can be applied to various working conditions in a wider range, the application range of the centrifugal vapor compressor is greatly improved, and meanwhile, the power consumption of the centrifugal vapor compressor under a small-flow working condition is greatly reduced.

Drawings

FIG. 1 is a side view in half cross-section of the present invention;

fig. 2 is a front partial cross-sectional view of the present invention;

fig. 3 is a top cross-sectional view of the present invention;

in the drawings: 1. a housing; 2. an actuator leg flange; 3. a filler seal; 4. an inner housing; 5. end face teeth; 6. an electric actuator; 7. a blade support bearing; 8. a blade positioning sleeve; 9. a driving connecting rod; 10. a spring washer; 11. a compression nut; 12. actively adjusting the blades; 13. a driven adjustment blade; 14. a driven connecting rod; 15. a drive ring bearing; 16. a driven articulated arm; 17. a drive ring; 18. an active articulation bar; 19. and a limiting block.

Detailed Description

As shown in fig. 1-3, an inlet adjustable guide vane for a high-temperature and high-pressure vapor compressor comprises an electric actuator 6, an inner housing 4 and an active adjusting blade 12, wherein the electric actuator 6 is fixedly connected with the active adjusting blade 12 through an end face tooth 5, the active adjusting blade 12 is connected with a blade support bearing 7 in a matching manner, a hole is formed in the inner housing 4, and the blade support bearing 7 is matched with the hole in the inner housing 4; the rear end of the active adjusting blade 12 is fixedly connected with one end of an active connecting rod 9, and the other end of the active connecting rod 9 is hinged with an active joint rod 18; one side of the inner shell 4 is fixedly connected with a driving ring bearing 15, the outer side of the driving ring bearing 15 is matched with a driving ring 17, and the driving joint rod 18 is fixedly connected with the driving ring 17; the rear ends of the driven adjusting blades 13 are hinged to one end of a driven connecting rod 14, the other end of the driven connecting rod 14 is hinged to a driven joint rod 16, and the driven joint rod 16 is hinged to a driving ring 17.

Preferably, a limit block 19 is fixedly connected to the inner shell 4.

Preferably, a vane positioning sleeve 8 is arranged between the driving connecting rod 9 and the vane supporting bearing 7, and the vane positioning sleeve 8 is tightly matched with the driving adjusting vane 12.

Preferably, still include shell body 1, shell body 1 with interior casing 4 fixed connection all around forms the cavity, shell body 1 with be equipped with the packing body 3 between the electric actuator, shell body 1 sets up the drain trap, can retrieve the gas leakage condensate water.

Preferably, an actuator leg flange 2 is arranged below the electric actuator 6, and the actuator leg flange 2 is fixedly connected with the outer shell 1.

Preferably, the active adjusting blade 12 is fixedly connected to the active connecting rod 9 by a compression nut 11, and a spring washer 10 is disposed below the compression nut 11.

Preferably, the lowest part of the bottom of the outer shell 1 is provided with an opening, and a pipeline is welded at the opening, so that the leaked and condensed water can be recovered.

The working principle is as follows: the utility model discloses install in vapor compressor's import, a flow for adjusting the import, when needs are adjusted the import flow, 6 works of electric actuator, it rotates to drive initiative adjusting blade 13, initiative adjusting blade 13 rotates simultaneously and drives initiative connecting rod 9 and rotate, initiative joint bearing 18 follows initiative connecting rod 9 and moves simultaneously, drive ring bearing 15 keeps static, initiative joint bearing 18 drives drive ring 17 and rotates around the center, under the drive of drive ring 17, driven joint bar 16 drives driven connecting rod 14 and rotates, because driven connecting rod 14 is coaxial with driven adjusting blade 13, driven adjusting blade 13 rotates, the change of driven adjusting blade 13 and initiative adjusting blade 12 angle changes the cross-sectional area of the gaseous flow of import, thereby reach the purpose of control import flow.

The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any creative effort shall fall within the protection scope of the present invention.

Claims

1. An adjustable stator in import for high temperature high pressure vapor compressor, includes electric actuator (6), interior casing (4) and active adjusting blade (12), its characterized in that: the electric actuator (6) is fixedly connected with the active adjusting blade (12) through end face teeth (5), the active adjusting blade (12) is connected with a blade supporting bearing (7) in a matched mode, a hole is formed in the inner shell (4), and the blade supporting bearing (7) is matched in the hole of the inner shell (4); the rear end of the active adjusting blade (12) is fixedly connected with one end of an active connecting rod (9), and the other end of the active connecting rod (9) is hinged with an active joint rod (18); a driving ring bearing (15) is fixedly connected to one side of the inner shell (4), a driving ring (17) is matched with the outer side of the driving ring bearing (15), and the driving joint rod (18) is hinged to the driving ring (17); the novel fan blade is characterized by further comprising a plurality of driven adjusting blades (13), the rear ends of the driven adjusting blades (13) are fixedly connected with one ends of driven connecting rods (14), the other ends of the driven connecting rods (14) are hinged with driven joint rods (16), and the driven joint rods (16) are hinged with the driving ring (17).

2. The inlet adjustable guide vane for a high temperature and pressure steam compressor as set forth in claim 1, wherein: and the inner shell (4) is fixedly connected with a limiting block (19).

3. The inlet adjustable guide vane for a high temperature and pressure steam compressor as set forth in claim 1, wherein: a blade positioning sleeve (8) is arranged between the driving connecting rod (9) and the blade supporting bearing (7), and the blade positioning sleeve (8) is tightly matched with the driving adjusting blade (12).

4. The inlet adjustable guide vane for a high temperature and pressure steam compressor as set forth in claim 1, wherein: still include shell body (1), shell body (1) with interior casing (4) fixed connection all around forms the cavity, shell body (1) with be equipped with packing body (3) between the electric actuator.

5. The inlet adjustable vane for a high temperature and pressure steam compressor as set forth in claim 4 wherein: an actuator support leg flange (2) is arranged below the electric actuator (6), and the actuator support leg flange (2) is fixedly connected with the outer shell (1).

6. The inlet adjustable guide vane for a high temperature and pressure steam compressor as set forth in claim 1, wherein: the active adjusting blade (12) is fixedly connected with the active connecting rod (9) through a compression nut (11), and a spring gasket (10) is arranged below the compression nut (11).

7. The inlet adjustable vane for a high temperature and pressure steam compressor as set forth in claim 4 wherein: the lowest position of the bottom of the outer shell (1) is provided with a hole and a pipeline is welded at the hole.