Gasification furnace inner diameter detection device

Abstract

The utility model discloses a gasifier inner diameter detection device, which comprises a box body, one end of the box body is provided with a fixed scale, the other end of the box body is provided with a movable scale, the box body is internally provided with a driving mechanism for controlling the extension amount of the movable scale, and the movable scale comprises a scale plate, a connecting plate and a rack plate. The scale plate and the rack plate are arranged in the box body in parallel and penetrate through the two sides of the box body respectively, the connecting plate is vertically connected with the scale plate and the rack plate, scales are evenly distributed on the scale plate, the driving mechanism comprises a driving motor and a gear, the driving motor is arranged on the outer side of the box body, and the gear is arranged on the gear. An output shaft of the driving motor penetrates through the box body and is connected with a gear, the gear is in meshed connection with teeth on the rack plate, and the inner diameter detection device for the gasification furnace can not only facilitate measurement, but also improve the measurement accuracy and facilitate operation and use of detection personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of gasifiers, in particular to a gasifier inner diameter detection device. Background Art

[0002] As the main working part for converting coal into clean coal gas, the gasifier can be used to produce chemical products such as synthetic ammonia, methanol, dimethyl ether, etc. It can also be used in direct and indirect liquefaction of coal, combined cycle power generation and multi-generation based on coal gasification.

[0003] When lining the gasifier, refractory bricks with different inner diameters are required according to the required specifications. The inner diameter of the gasifier is also used as one of the important detection indicators during the maintenance of the gasifier. At present, the inner diameter of the gasifier is measured by measuring the radius of the refractory brick masonry with a tape measure. The tape measure is easy to bend during the measurement process, resulting in inaccurate measurement data. In addition, the use of the tape measure requires both ends of the tape measure to be fixed with both hands, which is very inconvenient in the limited operating space inside the gasifier. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a gasifier inner diameter detection device, which can facilitate measurement and improve measurement accuracy, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gasifier inner diameter detection device, comprising a box body, a fixed scale is arranged at one end of the box body, a movable scale is arranged at the other end of the box body, and a driving mechanism for controlling the extension amount of the movable scale is arranged in the box body.

[0006] As a preferred technical solution of the utility model, the movable scale includes a scale plate, a connecting plate and a rack plate, the scale plate and the rack plate are arranged in parallel inside the box and pass through both sides of the box respectively, the connecting plate vertically connects the scale plate and the rack plate, and scales are evenly distributed on the scale plate. The driving mechanism includes a driving motor and a gear, the driving motor is arranged on the outside of the box, the output shaft of the driving motor passes through the box and is connected to the gear, and the gear is meshed with the teeth on the rack plate.

[0007] As a preferred technical solution of the utility model, the scale plate and the fixed scale are on the same straight line.

[0008] As a preferred technical solution of the utility model, the "0" position scale on the scale plate is located at the end position extending out of the box body.

[0009] As a preferred technical solution of the utility model, multiple sets of guide wheels are provided on the upper and lower sides of the scale plate and the rack plate.

[0010] As a preferred technical solution of the utility model, a handle is provided at the lower end of the box body, a control switch is provided on one side of the handle, and an output end of the control switch is electrically connected to an input end of the drive motor.

[0011] As a preferred technical solution of the utility model, a limit plate is arranged in the box body, and the limit plate is fixed at one side of the gear and is located between the scale plate and the gear.

[0012] As a preferred technical solution of the present utility model, the end of the fixed ruler is processed into a pointed structure.

[0013] As a preferred technical solution of the present utility model, a level is provided at the upper end of the box.

[0014] As a preferred technical solution of the utility model, a baffle is provided at one end of the rack plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the gasifier inner diameter detection device has a compact structure, a reasonable design, and is easy to operate. A fixed scale and a movable scale are respectively arranged at both ends of the box body, and the scale on the fixed scale is a fixed size. The movable scale is extended out of the box body until it contacts the brick body at the other end under the action of the driving mechanism, thereby ensuring the accuracy of the size. At the same time, it is easy to operate in a small space, which greatly improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is the front view of the utility model;

[0018] Figure 3 for Figure 2 Sectional view at AA in the middle;

[0019] Figure 4 for Figure 2 Cross-sectional view at BB in the middle.

[0020] In the figure: 1 box, 2 fixed scale, 3 movable scale, 31 scale plate, 32 connecting plate, 33 rack plate, 34 baffle, 4 driving mechanism, 41 driving motor, 42 gear, 5 level, 6 handle, 7 control switch, 8 guide wheel, 9 limit plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 2Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: a gasifier inner diameter detection device, comprising a box body 1, a fixed scale 2 is arranged at one end of the box body 1, a movable scale 3 is arranged at the other end of the box body 1, a driving mechanism 4 for controlling the extension amount of the movable scale 3 is arranged in the box body 1, and the inner diameter of the gasifier is the sum of the size of the fixed scale 2, the length of the box body 1 and the extension size of the movable scale 3;

[0023] The movable scale 3 includes a scale plate 31, a connecting plate 32 and a rack plate 33. The scale plate 31 and the fixed scale 2 are on the same straight line. The scale plate 31 and the rack plate 33 are arranged in parallel inside the box body 1 and pass through both sides of the box body 1 respectively. The connecting plate 32 vertically connects the scale plate 31 and the rack plate 33. The scale plate 31 is evenly distributed with scales. The driving mechanism 4 includes a driving motor 41 and a gear 42. The driving motor 41 is arranged outside the box body 1. The output shaft of the driving motor 41 passes through the box body 1 and is connected to the gear 42. The gear 42 is meshed with the teeth on the rack plate 33.

[0024] A handle 6 is provided at the lower end of the box body 1, and a control switch 7 is provided on one side of the handle 6. The output end of the control switch 7 is electrically connected to the input end of the drive motor 41. The inspector can control the drive motor 41 to start by holding the handle 6 and pressing the control switch 7. The drive motor 41 drives the gear 42 to rotate, and the gear 42 drives the rack plate 33 to move, thereby extending the scale plate 31. It can be operated with one hand, which greatly improves the convenience of use.

[0025] In order to facilitate reading, the “0” position scale on the scale plate 31 is located at the end position extending outside the box body 1.

[0026] In order to ensure the linearity and stability of the movement of the scale plate 31 and the rack plate 33 , multiple sets of guide wheels 8 are provided on the upper and lower sides of the scale plate 31 and the rack plate 33 .

[0027] In order to prevent the scale plate 31 from colliding with the gear 42 when being retracted and causing damage, a limit plate 9 is provided in the housing 1 . The limit plate 9 is fixed on one side of the gear 42 and is located between the scale plate 31 and the gear 42 .

[0028] In order to facilitate the insertion of the two sections of the fixed ruler into the seams of the refractory bricks for fixation, the ends of the fixed ruler 2 are processed into a pointed structure.

[0029] In order to ensure that the device is in a horizontal state during measurement, a level 5 is provided at the upper end of the box 1 .

[0030] In order to prevent the rack plate 33 from being separated from the guide wheel 8, a baffle 34 is provided at one end of the rack plate 33 so that the rack plate 33 is always located between the guide wheels 8 on its upper and lower sides.

[0031] During use: After the inspector enters the gasifier along the ladder at the furnace mouth, he holds the handle 6, inserts one end of the fixed ruler 2 into the brick seam of the refractory bricks, and adjusts the level by observing the spirit level 5. Then, he presses the control switch 7 to start the drive motor 41. The drive motor 41 drives the gear 42 to rotate, and the gear 42 drives the rack plate 33 to move into the box body 1. The scale plate 31 extends outward until it hits the refractory brick surface at the other end of the same plane. At this time, the inner diameter of the gasifier is the sum of the size of the fixed ruler 2, the length of the box body 1, and the length of the scale plate 31 extending outward.

[0032] The utility model can be conveniently operated, occupies little space when in use, is easy to operate and use; can improve the measurement accuracy of the inner diameter of the gasifier; by arranging the guide wheel 8, the scale plate 31 is always kept horizontal when extended, further improving the measurement accuracy.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gasifier inner diameter detection device, characterized in that: The invention comprises a box body (1), one end of which is provided with a fixed scale (2), the other end of which is provided with a movable scale (3), and a driving mechanism (4) for controlling the extension amount of the movable scale (3) is provided inside the box body (1).

2. The gasifier inner diameter detection device according to claim 1, characterized in that: The movable scale (3) comprises a scale plate (31), a connecting plate (32) and a rack plate (33); the scale plate (31) and the rack plate (33) are arranged in parallel inside the box (1) and pass through two sides of the box (1) respectively; the connecting plate (32) vertically connects the scale plate (31) and the rack plate (33); scales are evenly distributed on the scale plate (31); the driving mechanism (4) comprises a driving motor (41) and a gear (42); the driving motor (41) is arranged outside the box (1); the output shaft of the driving motor (41) passes through the box (1) and is connected to the gear (42); the gear (42) is meshed with teeth on the rack plate (33).

3. A gasifier inner diameter detection device according to claim 2, characterized in that: The scale plate (31) and the fixed scale (2) are on the same straight line.

4. A gasifier inner diameter detection device according to claim 2, characterized in that: The "0" position scale on the scale plate (31) is located at an end position extending outside the box body (1).

5. The gasifier inner diameter detection device according to claim 2, characterized in that: A plurality of guide wheels (8) are provided on the upper and lower sides of the scale plate (31) and the rack plate (33).

6. The gasifier inner diameter detection device according to claim 2, characterized in that: A handle (6) is provided at the lower end of the box body (1), a control switch (7) is provided on one side of the handle (6), and an output end of the control switch (7) is electrically connected to an input end of a drive motor (41).

7. The gasifier inner diameter detection device according to claim 2, characterized in that: A limit plate (9) is arranged in the box body (1), and the limit plate (9) is fixed on one side of the gear (42) and is located between the scale plate (31) and the gear (42).

8. The gasifier inner diameter detection device according to claim 1, characterized in that: The end of the fixed ruler (2) is processed into a pointed structure.

9. The gasifier inner diameter detection device according to claim 1, characterized in that: A level (5) is provided at the upper end of the box (1).

10. The gasifier inner diameter detection device according to claim 2, characterized in that: A baffle (34) is provided at one end of the rack plate (33).

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