CN213930888U

CN213930888U - Steam generator incrustation scale clearing device

Info

Publication number: CN213930888U
Application number: CN202023010708.5U
Authority: CN
Inventors: 文昌龙; 吕建波
Original assignee: Sichuan Zhuoyi Environmental Protection And Energy Saving Equipment Co ltd
Current assignee: Sichuan Zhuoyi Environmental Protection And Energy Saving Equipment Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-10
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a steam generator incrustation scale clearing device relates to steam generator maintenance technical field. Comprises a shell, an inner container and an ultrasonic generator; the top of casing is provided with vertical actuating mechanism, and vertical actuating mechanism's output is connected with the fixed plate, rotates on the fixed plate to be connected with L type pole, and L type pole is connected with ultrasonic transducer, is provided with on the fixed plate to be used for ordering about L type pole pivoted rotary mechanism. The utility model discloses an ultrasonic generator and ultrasonic transducer's cooperation utilizes physical effects such as cavitation, radiant pressure, acoustic current when the ultrasonic wave is propagated in the washing liquid, and the machinery that produces the filth of the inner wall of inner bag plays the effect of peeling off, closely faces the setting of inner wall through ultrasonic transducer, can carry out high-efficient descaling to a certain part of inner wall, through vertical actuating mechanism and rotary mechanism's setting, drives ultrasonic transducer and carries out high-efficient descaling to the more region of inner wall.

Description

Steam generator incrustation scale clearing device

Technical Field

The utility model relates to a steam generator maintenance technical field, concretely relates to steam generator incrustation scale clearing device.

Background

The common descaling method for the inner container of the steam generator mainly comprises chemical descaling and physical descaling, wherein the chemical descaling is realized by adding a chemical descaling agent into the inner container, the efficiency is low, the physical descaling is mainly ultrasonic descaling, but the descaling range is influenced by the ultrasonic sound field distribution, and the descaling efficiency is determined by the sound intensity; the sound intensity at the position of the center of the ultrasonic transducer in the vertical direction is the largest, the descaling efficiency is the highest, the sound intensity is weakened along with the divergence of the angle to two sides, and the descaling efficiency is gradually reduced; the smaller the radius of the energy converter is, the larger the sound field distribution is, the larger the descaling range is, along with the increase of the radius of the energy converter, the effective descaling range is gradually concentrated towards the vertical direction of the center of the energy converter, and the ultrasonic energy converter of the existing steam generator is usually fixedly arranged in a built-in or embedded type and arranged in an inner container, so that the descaling efficiency of part of the inner wall is low.

Disclosure of Invention

To the defect among the prior art, the utility model provides a steam generator incrustation scale clearing device to the inconvenient problem of carrying of jack in the operation of solving stretch-draw.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: a scale removing device of a steam generator comprises a shell, an inner container and an ultrasonic generator, wherein the inner container and the ultrasonic generator are positioned in the shell; the top of casing is provided with vertical actuating mechanism, vertical actuating mechanism's output is connected with the fixed plate, it is connected with L type pole to rotate on the fixed plate, the one end of L type pole is parallel with the axis of inner bag, and the other end extends and this end is connected with ultrasonic transducer towards the inside wall of inner bag, ultrasonic transducer and supersonic generator electric connection, ultrasonic transducer's output sets up towards the inside wall of inner bag, be provided with on the fixed plate and be used for ordering about L type pole pivoted rotary mechanism.

Preferably, the rotating mechanism comprises a motor located on the fixing plate, a first gear is arranged on an output shaft of the motor, a second gear is sleeved on the L-shaped rod, and the first gear is meshed with the second gear.

Preferably, one end of the L-shaped rod is coaxial with the inner container, and the other end of the L-shaped rod is arranged along the radial direction of the inner container.

Preferably, the center of the ultrasonic transducer is arranged along the radial direction of the inner container in a vertical direction.

Preferably, a protection box is arranged in the shell, an output end of the vertical driving mechanism penetrates through the protection box from top to bottom, the ultrasonic energy concentrator is arranged on the upper end face of one end of the L-shaped rod, the upper end face of the L-shaped rod is arranged along the radial direction, a strip-shaped groove matched with the L-shaped rod is formed in the bottom of the protection box, and a sealing ring is arranged on the strip-shaped groove.

Preferably, a bearing seat is arranged on the fixing plate, and the L-shaped rod is connected with the bearing seat through a bearing.

Preferably, the vertical driving mechanism is one of a servo electric cylinder, an air cylinder or a hydraulic cylinder.

The beneficial effects of the utility model are concentrated and are embodied in:

1. the utility model discloses a steam generator incrustation scale clearing device passes through supersonic generator and ultrasonic transducer's cooperation, cavitation when utilizing the ultrasonic wave to propagate in the washing liquid, the radiant pressure, physical effect such as acoustic current, the machinery that produces the filth of the inner wall of inner bag plays the effect of peeling off, it is worth noting, through the setting of ultrasonic transducer closely towards the inner wall, can carry out high-efficient scale removal to a certain part of inner wall, setting through vertical actuating mechanism and rotary mechanism, drive ultrasonic transducer and carry out high-efficient scale removal to the more region of inner wall, not only the scale removal is efficient, and it is comprehensive to have the scale removal, the advantage at dead angle is not kept.

2. The utility model discloses a steam generator incrustation scale clearing device passes through the setting of protection box, and when will not need the scale removal, the vertical actuating mechanism of accessible takes in ultrasonic transducer to the protection box to lower terminal surface and the sealing washer through L type pole seal, play good guard action to ultrasonic transducer.

Drawings

Fig. 1 is a schematic structural view of a scale removing device of a steam generator according to the present invention;

in the attached drawings, 1, a shell; 2. an inner container; 3. an ultrasonic generator; 4. a vertical drive mechanism; 5. a fixing plate; 6. an L-shaped rod; 7. an ultrasonic transducer; 8. a motor; 9. a first gear; 10. a second gear; 11. a protection box; 12. and a bearing seat.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Example 1:

a scale removing device of a steam generator is shown in figure 1 and comprises a shell 1, an inner container 2 and an ultrasonic generator 3, wherein the inner container 2 is positioned in the shell 1 and is hollow and columnar; the top of casing 1 is provided with vertical actuating mechanism 4, the output of vertical actuating mechanism 4 is connected with fixed plate 5, it is connected with L type pole 6 to rotate on the fixed plate 5, the one end of L type pole 6 is parallel with the axis of inner bag 2, and the other end extends and this end is connected with ultrasonic transducer 7 towards the inside wall of inner bag 2, ultrasonic transducer 7 and 3 electric connection of supersonic generator, ultrasonic transducer 7's output sets up towards the inside wall of inner bag 2, be provided with on the fixed plate 5 and be used for ordering about L type pole 6 pivoted rotary mechanism.

Specifically, the rotating mechanism can be directly driven by the motor 8 or driven by the motor 8 and a gear in a matching manner, preferably, the rotating mechanism comprises the motor 8 positioned on the fixing plate 5, a first gear 9 is arranged on an output shaft of the motor 8, a second gear 10 is sleeved on the L-shaped rod 6, and the first gear 9 is meshed with the second gear 10.

Preferably, the L-shaped rod 6 is perpendicular to one end parallel to the axis of the inner container 2 and one end extending towards the inner side wall of the inner container 2, and more preferably, one end of the L-shaped rod 6 is coaxially arranged with the inner container 2, and the other end is arranged along the radial direction of the inner container 2, so that the balance of descaling of the inner wall of the inner container 2 is improved.

Preferably, the center of the ultrasonic transducer 7 is arranged along the radial direction of the inner container 2 in the vertical direction, so that the inner wall to be descaled is positioned at the position with the maximum sound intensity, and the descaling efficiency is improved.

Preferably, a bearing seat 12 is arranged on the fixing plate 5, and the L-shaped rod 6 is connected with the bearing seat 12 through a bearing.

Preferably, the vertical driving mechanism 4 is one of a servo electric cylinder, an air cylinder or a hydraulic cylinder.

The utility model discloses a steam generator incrustation scale clearing device's theory of operation does: through the cooperation of supersonic generator 3 and ultrasonic transducer 7, utilize physical effects such as cavitation when the ultrasonic wave is propagated in the washing liquid, the radiation pressure, the acoustic current, the machinery that the filth of inner bag 2 inner wall produced plays the effect of peeling off, it is worth noting, through the setting of ultrasonic transducer 7 closely towards the inner wall, can carry out high-efficient scale removal to certain part of inner wall, setting through vertical actuating mechanism 4 and rotary mechanism, drive ultrasonic transducer 7 and carry out high-efficient scale removal to the more region of inner wall, not only the scale removal is efficient, and it is comprehensive to have the scale removal, the advantage at dead angle does not remain.

Example 2:

on the basis of above-mentioned embodiment, for further carrying out better the utility model discloses, adopt following setting very much, be provided with protection box 11 in the casing 1, vertical actuating mechanism 4's output runs through from the top down protection box 11, the ultrasonic wave energy concentrator set up in the up end of the one end of L type pole 6 along radial setting, protection box 11's bottom has been seted up and has been the bar groove with the 6 adaptations of L type pole, be provided with the sealing washer on the bar groove.

The utility model discloses a steam generator incrustation scale clearing device passes through the setting of protection box 11, and when will not need the scale removal, the vertical actuating mechanism 4 of accessible takes in ultrasonic transducer 7 to protection box 11 to lower terminal surface and the sealing washer through L type pole 6 seal, play good guard action to ultrasonic transducer 7.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. A steam generator scale removing device is characterized in that: the ultrasonic generator comprises a shell (1), an inner container (2) and an ultrasonic generator (3), wherein the inner container (2) is positioned in the shell (1) and is in a hollow cylindrical shape; the top of casing (1) is provided with vertical actuating mechanism (4), the output of vertical actuating mechanism (4) is connected with fixed plate (5), it is connected with L type pole (6) to rotate on fixed plate (5), the one end of L type pole (6) is parallel with the axis of inner bag (2), and the other end extends towards the inside wall of inner bag (2) and this end is connected with ultrasonic transducer (7), ultrasonic transducer (7) and supersonic generator (3) electric connection, the output of ultrasonic transducer (7) sets up towards the inside wall of inner bag (2), be provided with on fixed plate (5) and be used for ordering about L type pole (6) pivoted rotary mechanism.

2. The steam generator scale removing apparatus of claim 1, wherein: the rotating mechanism comprises a motor (8) located on a fixing plate (5), a first gear (9) is arranged on an output shaft of the motor (8), a second gear (10) is sleeved on an L-shaped rod (6), and the first gear (9) is meshed with the second gear (10).

3. The steam generator scale removing apparatus of claim 1, wherein: one end of the L-shaped rod (6) is coaxially arranged with the inner container (2), and the other end of the L-shaped rod is arranged along the radial direction of the inner container (2).

4. The steam generator scale removing apparatus of claim 1, wherein: the center of the ultrasonic transducer (7) is arranged along the radial direction of the inner container (2) in the vertical direction.

5. The steam generator scale removing apparatus of claim 1, wherein: the protection device is characterized in that a protection box (11) is arranged in the shell (1), the output end of the vertical driving mechanism (4) penetrates through the protection box (11) from top to bottom, the ultrasonic energy concentrator is arranged on the upper end face of one end, arranged along the radial direction, of the L-shaped rod (6), a strip-shaped groove matched with the L-shaped rod (6) is formed in the bottom of the protection box (11), and a sealing ring is arranged on the strip-shaped groove.

6. The steam generator scale removing apparatus of claim 1, wherein: and a bearing seat (12) is arranged on the fixed plate (5), and the L-shaped rod (6) is connected with the bearing seat (12) through a bearing.

7. The steam generator scale removing apparatus of claim 1, wherein: the vertical driving mechanism (4) is one of a servo electric cylinder, an air cylinder or a hydraulic cylinder.