Drawing type plugging device for observation hole of calcium carbide furnace maintenance purification flue

Abstract

The utility model relates to a push-pull type plugging device for an observation hole of a calcium carbide furnace maintenance purification flue, and belongs to the field of calcium carbide furnaces. Comprising two blocking blades, a blocking insertion plate, a connecting rod mechanism and two hinge shafts. The blocking insertion plate penetrates through the flue observation hole and is arranged in the purification flue, the two blocking blades are rotationally arranged on the two sides of the blocking insertion plate in a one-to-one correspondence mode, the two blocking blades are hinged to the blocking insertion plate through the two hinge shafts in a one-to-one correspondence mode, and when the two blocking blades rotate to abut against the side edge of the blocking insertion plate, the blocking blades are hinged to the blocking insertion plate through the hinge shafts. The shape formed by the two blocking blades and the blocking insertion plate is matched with the cross section of the inner wall of the purification flue, and the connecting rod mechanism penetrates through the flue observation hole and is connected with the blocking blades. According to the utility model, purification ash on the inner wall of the purification flue and water leaked from the valve can be prevented from directly and largely falling into the calcium carbide furnace, so that the increase of the content of carbon monoxide in the purification flue and the occurrence rate of flash explosion accidents are reduced.

Description

Technical Field

[0001] The utility model relates to the field of calcium carbide furnaces, in particular to a pull-out blocking device for an observation hole of a calcium carbide furnace maintenance and purification flue. Background Art

[0002] During the long-term operation of the calcium carbide furnace's purification flue, a large amount of purification ash will accumulate on the inner wall of the flue. After the calcium carbide furnace is shut down for maintenance, due to factors such as vibration and cooling, the purified ash accumulated on the inner wall of the flue will fall into the calcium carbide furnace along the inner wall of the flue, thereby generating a large amount of red ash. At the same time, the carbon monoxide content in the furnace will also rise to excessive levels. At the same time, a flue observation hole is installed on the second floor of the calcium carbide furnace to check for water leakage in the flue and valves. The on-site observation hole area is small, and it is difficult to detect water leakage after it occurs. Moreover, the leaked water can leak into the calcium carbide furnace and cause a flash explosion, resulting in personal injury accidents during maintenance. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a pull-out type blocking device for an observation hole of a purification flue of a calcium carbide furnace for maintenance, so as to solve the above-mentioned problem.

[0004] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: A pull-out sealing device for the observation hole of the purification flue of a calcium carbide furnace for maintenance, comprising: two blocking blades, a blocking plug plate, a connecting rod mechanism and two hinge shafts; the blocking plug plate passes through the flue observation hole and is arranged in the purification flue, and the two blocking blades are rotatably arranged on both sides of the blocking plug plate in a one-to-one manner, and the two blocking blades are hinged to the blocking plug plate in a one-to-one manner through the two hinge shafts. When the two blocking blades are rotated to abut the side edges of the blocking plug plate, the shape formed by the two blocking blades and the blocking plug plate is adapted to the cross-section of the inner wall of the purification flue, and the connecting rod mechanism passes through the flue observation hole and is connected to the blocking blades.

[0005] The beneficial effects of the present invention are as follows: the two blocking blades are rotatably arranged on both sides of the blocking plug plate, which is conducive to realizing the sealing and opening adjustment of the purification flue. When the purification flue is blocked, it is conducive to preventing the purification ash on the inner wall of the purification flue and the water leaking from the valve from falling directly and in large quantities into the interior of the calcium carbide furnace, thereby reducing the probability of accidents caused by increased carbon monoxide content in the purification flue due to the falling of red ash, and also reducing the incidence rate of flash explosion accidents caused by water leakage, and reducing the safety risks during maintenance in the calcium carbide furnace. The connecting rod mechanism is conducive to adjusting the sealing and opening status of the purification flue, and thus can promptly and effectively deal with dangerous factors when they are discovered, and promptly avoid accidents.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the blocking plug plate includes a first blocking plug plate and a second blocking plug plate, the first blocking plug plate is a rectangular plate structure, and the second blocking plug plate is an arc-shaped plate structure provided at the end of the first blocking plug plate.

[0008] The beneficial effect of adopting the above further solution is that the first blocking plug plate and the second blocking plug plate are conducive to adapting and blocking a part of the cross section of the purification flue, and cooperating with the two blocking plug plates to achieve the adjustment of blocking and opening of the purification flue.

[0009] Furthermore, the arc-shaped edge of the second blocking insert is adaptively connected to the inner wall of the purified flue.

[0010] The beneficial effect of adopting the above further scheme is: it is conducive to adapting and sealing the inner wall of the purification flue, preventing the purification ash on the inner wall of the purification flue and the water leaking from the valve from falling into the interior of the calcium carbide furnace in large quantities between the second blocking plate and the inner wall of the purification flue.

[0011] Furthermore, one end of the first blocking plug plate is arranged in the purification flue, and the other end is arranged in the flue observation hole.

[0012] The beneficial effect of adopting the above further scheme is: the first blocking plug is arranged in the purification flue and the flue observation hole, which is conducive to entering the purification flue after passing through the flue observation hole, and cooperates with the second blocking plug and the blocking blade to achieve blocking of the purification flue.

[0013] Furthermore, the blocking blade is an arc-shaped plate structure, and the arc-shaped edge of the blocking blade is adapted to the inner wall of the purification flue.

[0014] The beneficial effect of adopting the above further solution is that the arcuate edge of the blocking blade is adapted to the inner wall of the purification flue, which is beneficial to improving the blocking effect on the inner wall of the purification flue.

[0015] Furthermore, one end of the blocking blade is hinged to the side of the first blocking plug plate arranged on the inner part of the purified flue through the hinge shaft, and the other end of the blocking blade is connected to the connecting rod mechanism.

[0016] The beneficial effect of adopting the above further solution is that the connecting rod mechanism is conducive to pushing and pulling the blocking blade, so that the blocking blade rotates around the hinge shaft, thereby achieving the blocking and opening of the purification flue.

[0017] Furthermore, the connecting rod mechanism includes: a guide pull rod, two blocking blade push-pull rods and a handle; the blocking blade push-pull rods are arranged inside the purification flue, and the handle is arranged outside the flue observation hole. One end of the two blocking blade push-pull rods is hinged to the other end of the blocking blade in a one-to-one correspondence, and the other end of the two blocking blade push-pull rods is hinged to one end of the guide pull rod, and the other end of the guide pull rod passes through the flue observation hole and is connected to the handle.

[0018] The beneficial effect of adopting the above further scheme is: by pushing and pulling the handle outside the flue observation hole, it is helpful to transmit power to the guide pull rod and the blocking blade push-pull rod, thereby causing the blocking blade to rotate around the hinge axis, thereby realizing the sealing and opening adjustment of the purified flue.

[0019] Furthermore, the connecting rod mechanism also includes a guide sleeve, which is arranged inside the flue observation hole, and the guide pull rod passes through the guide sleeve.

[0020] The beneficial effect of adopting the above further solution is that the guide sleeve is conducive to providing guidance for the push and pull of the guide pull rod, thereby improving the stability of the sealing and opening adjustment of the purified flue. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present utility model when blocking a purification flue;

[0022] Figure 2 This is a schematic diagram of the overall structure provided in an embodiment of the present utility model when the purification flue is opened.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Blocking blade; 2. Blocking plate; 3. Connecting rod mechanism; 4. Articulated shaft; 5. Flue purification; 6. Flue observation hole; 21. First blocking plate; 22. Second blocking plate; 31. Guide rod; 32. Blocking blade push-pull rod; 33. Handle; 34. Guide sleeve. DETAILED DESCRIPTION

[0025] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0026] like Figure 1 and Figure 2As shown, a pull-out sealing device for the observation hole of the purification flue of a calcium carbide furnace for maintenance comprises: two blocking blades 1, a blocking plug plate 2, a connecting rod mechanism 3 and two hinge shafts 4; the blocking plug plate 2 passes through the flue observation hole 6 and is arranged in the purification flue 5, and the two blocking blades 1 are rotatably arranged on both sides of the blocking plug plate 2 in a one-to-one manner, and the two blocking blades 1 are hinged to the blocking plug plate 2 in a one-to-one manner through the two hinge shafts 4. When the two blocking blades 1 are rotated to abut the side edges of the blocking plug plate 2, the shape formed by the two blocking blades 1 and the blocking plug plate 2 is adapted to the cross-section of the inner wall of the purification flue 5, and the connecting rod mechanism 3 passes through the flue observation hole 6 and is connected to the blocking blades 1.

[0027] It should be noted that: in the technical solution of the present utility model, the purification flue 5 is a tubular structure. Figure 1 and Figure 2 The purification flue 5 in the figure is a schematic diagram in a top view, and the flue observation hole 6 is a tubular structure vertically arranged on the side wall of the purification flue 5.

[0028] The beneficial effects of the present invention are as follows: the two blocking blades are rotatably arranged on both sides of the blocking plug plate, which is conducive to realizing the sealing and opening adjustment of the purification flue. When the purification flue is blocked, it is conducive to preventing the purification ash on the inner wall of the purification flue and the water leaking from the valve from falling directly and in large quantities into the interior of the calcium carbide furnace, thereby reducing the probability of accidents caused by increased carbon monoxide content in the purification flue due to the falling of red ash, and also reducing the incidence rate of flash explosion accidents caused by water leakage, and reducing the safety risks during maintenance in the calcium carbide furnace. The connecting rod mechanism is conducive to adjusting the sealing and opening status of the purification flue, and thus can promptly and effectively deal with dangerous factors when they are discovered, and promptly avoid accidents.

[0029] Preferably, Figure 1 and Figure 2 As shown, the blocking plug plate 2 includes a first blocking plug plate 21 and a second blocking plug plate 22 . The first blocking plug plate 21 is a rectangular plate structure, and the second blocking plug plate 22 is an arc-shaped plate structure provided at the end of the first blocking plug plate 21 .

[0030] The beneficial effect of adopting the above preferred solution is that the first blocking plug plate and the second blocking plug plate are conducive to adapting and blocking a part of the cross section of the purification flue, and cooperating with the two blocking plug plates to achieve the adjustment of the blocking and opening of the purification flue.

[0031] Preferably, Figure 1 and Figure 2 As shown, the arc-shaped edge of the second blocking plate 22 is adapted to be connected to the inner wall of the purified flue 5 .

[0032] The beneficial effect of adopting the above-mentioned preferred scheme is: it is conducive to adapting and sealing the inner wall of the purification flue, preventing the purified ash on the inner wall of the purification flue and the water leaking from the valve from falling into the interior of the calcium carbide furnace in large quantities between the second blocking plate and the inner wall of the purification flue.

[0033] Preferably, Figure 1 and Figure 2 As shown, one end of the first blocking plate 21 is arranged in the purification flue 5, and the other end is arranged in the flue observation hole 6.

[0034] The beneficial effect of adopting the above preferred scheme is: the first blocking plate is arranged in the purification flue and the flue observation hole, which is conducive to entering the purification flue after passing through the flue observation hole, and cooperates with the second blocking plate and the blocking blade to achieve blocking of the purification flue.

[0035] Preferably, Figure 1 and Figure 2 As shown, the blocking blade 1 is an arc-shaped plate structure, and the arc-shaped edge of the blocking blade 1 is adapted to the inner wall of the purification flue 5.

[0036] The beneficial effect of adopting the above preferred solution is that the arcuate edge of the blocking blade is adapted to the inner wall of the purification flue, which is beneficial to improving the blocking effect on the inner wall of the purification flue.

[0037] Preferably, Figure 1 and Figure 2 As shown, one end of the blocking blade 1 is hinged to the first blocking plug plate 21 on the side of the inner part of the purification flue 5 through the hinge shaft 4, and the other end of the blocking blade 1 is connected to the connecting rod mechanism 3.

[0038] The beneficial effect of adopting the above preferred solution is that the connecting rod mechanism is conducive to pushing and pulling the blocking blade, so that the blocking blade rotates around the hinge shaft, thereby achieving the blocking and opening of the purification flue.

[0039] Preferably, Figure 1 and Figure 2 As shown, the connecting rod mechanism 3 includes: a guide pull rod 31, two blocking blade push-pull rods 32 and a handle 33; the blocking blade push-pull rod 32 is arranged inside the purification flue 5, and the handle 33 is arranged outside the flue observation hole 6. One end of the two blocking blade push-pull rods 32 is hinged to the other end of the blocking blade 1 in a one-to-one correspondence, and the other end of the two blocking blade push-pull rods 32 is hinged to one end of the guide pull rod 31. The other end of the guide pull rod 31 passes through the flue observation hole 6 and is connected to the handle 33.

[0040] The beneficial effect of adopting the above-mentioned preferred solution is: by pushing and pulling the handle outside the flue observation hole, it is helpful to transmit power to the guide pull rod and the blocking blade push-pull rod, thereby causing the blocking blade to rotate around the hinge axis, thereby realizing the sealing and opening adjustment of the purified flue.

[0041] Preferably, Figure 1 and Figure 2 As shown, the connecting rod mechanism 3 further includes a guide sleeve 34 , which is disposed inside the flue observation hole 6 , and the guide pull rod 31 passes through the guide sleeve 34 .

[0042] The beneficial effect of adopting the above preferred solution is that the guide sleeve is conducive to providing guidance for the push and pull of the guide pull rod, thereby improving the stability of the sealing and opening adjustment of the purified flue.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0045] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0046] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0048] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A pull-out plugging device for the observation hole of the cleaning flue of a calcium carbide furnace, characterized in that: include: Two blocking blades (1), a blocking plug plate (2), a connecting rod mechanism (3) and two hinge shafts (4); the blocking plug plate (2) passes through the flue observation hole (6) and is arranged in the purification flue (5); the two blocking blades (1) are rotatably arranged on both sides of the blocking plug plate (2) in a one-to-one correspondence; the two blocking blades (1) are hinged to the blocking plug plate (2) in a one-to-one correspondence through the two hinge shafts (4); when the two blocking blades (1) are rotated to abut against the side edges of the blocking plug plate (2), the shape formed by the two blocking blades (1) and the blocking plug plate (2) is adapted to the cross section of the inner wall of the purification flue (5); the connecting rod mechanism (3) passes through the flue observation hole (6) and is connected to the blocking blades (1).

2. A pull-out plugging device for an observation hole of a calcium carbide furnace for inspection and purification of a flue according to claim 1, characterized in that: The blocking plug plate (2) comprises a first blocking plug plate (21) and a second blocking plug plate (22); the first blocking plug plate (21) is a rectangular plate-shaped structure; and the second blocking plug plate (22) is an arc-shaped plate-shaped structure arranged at the end of the first blocking plug plate (21).

3. A pull-out plugging device for an observation hole of a calcium carbide furnace for inspection and purification of a flue according to claim 2, characterized in that: The arcuate edge of the second blocking insert (22) is adaptively connected to the inner wall of the purification flue (5).

4. The pull-out plugging device for the inspection and purification flue observation hole of a calcium carbide furnace according to claim 2, characterized in that: One end of the first blocking plug plate (21) is arranged in the purification flue (5), and the other end is arranged in the flue observation hole (6).

5. A pull-out plugging device for an observation hole of a calcium carbide furnace inspection and purification flue according to claim 4, characterized in that: The blocking blade (1) is an arc-shaped plate-like structure, and the arc-shaped edge of the blocking blade (1) is adapted to the inner wall of the purification flue (5).

6. A pull-out plugging device for an observation hole of a calcium carbide furnace for maintenance and purification of a flue according to claim 4, characterized in that: One end of the blocking blade (1) is hinged to the first blocking plate (21) on the side of the inner part of the purification flue (5) through the hinge shaft (4), and the other end of the blocking blade (1) is connected to the connecting rod mechanism (3).

7. A pull-out plugging device for an observation hole of a calcium carbide furnace for inspection and purification of a flue according to claim 6, characterized in that: The connecting rod mechanism (3) includes: a guide pull rod (31), two blocking blade push-pull rods (32) and a handle (33); the blocking blade push-pull rod (32) is arranged inside the purification flue (5), and the handle (33) is arranged outside the flue observation hole (6); one end of the two blocking blade push-pull rods (32) is hinged to the other end of the blocking blade (1) in a one-to-one correspondence, and the other end of the two blocking blade push-pull rods (32) is hinged to one end of the guide pull rod (31); the other end of the guide pull rod (31) passes through the flue observation hole (6) and is connected to the handle (33).

8. A pull-out plugging device for an observation hole of a calcium carbide furnace for inspection and purification of a flue according to claim 7, characterized in that: The connecting rod mechanism (3) further comprises a guide sleeve (34), the guide sleeve (34) being arranged inside the flue observation hole (6), and the guide pull rod (31) passing through the guide sleeve (34).

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