Inner and outer barrel type self-standing steel chimney

Abstract

The utility model provides an inner and outer barrel type self-standing steel chimney, which relates to the technical field of self-standing chimneys, and comprises a chimney outer barrel made of steel, a chimney inner barrel is movably connected in the chimney outer barrel, the side surface of the chimney outer barrel is provided with a disassembly port, the upper end of the chimney outer barrel is fixedly connected with an upper butt joint ring, and the lower end of the chimney outer barrel is fixedly connected with a lower butt joint ring. The upper surface of the upper butt joint ring is fixedly connected with a centering convex ring, the lower end of the chimney outer cylinder is fixedly connected with a lower butt joint ring, when the chimney is overhauled, the chimney inner cylinder is rapidly disassembled, maintenance and replacement of the chimney inner cylinder are facilitated, the inner cylinder can be rapidly overhauled and replaced without disassembling the chimney in a segmented mode, and the maintenance efficiency is improved. The problems that when a traditional self-standing chimney is overhauled in a segmented mode, segments needing to be overhauled need to be disassembled, potential safety hazards exist in the overhauling process, the overhauling workload is large, the overhauling efficiency is low, a large amount of manpower and material resources need to be consumed, and the chimney cannot be overhauled or replaced in the segmented mode under the condition that the chimney is not disassembled are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self-standing chimney technical field especially relates to a kind of inner and outer cylinder type self-standing steel chimney. BACKGROUND

[0002] The inner and outer cylinder type self-standing steel chimney is a common industrial smoke exhaust facility, and its core feature is the separation design of the inner and outer cylinders. The stable smoke exhaust function is achieved through the self-standing structure. The inner and outer cylinder type self-standing steel chimney is driven by the thermal pressure difference. The high-temperature flue gas naturally rises due to its low density, forming a chimney effect. The vertical structure of the outer cylinder enhances the suction force on the flue gas. The independent design of the inner cylinder allows for segmented maintenance or replacement, improving the convenience of maintenance.

[0003] When the traditional self-standing chimney is subjected to segmented maintenance, the segment to be maintained needs to be disassembled. There are safety hazards during the maintenance process. The maintenance workload is large, the maintenance efficiency is low, and a large amount of manpower and material resources are required. The chimney cannot be subjected to segmented maintenance or replacement without disassembly. SUMMARY

[0004] The embodiments of the present disclosure relate to an inner and outer cylinder type self-standing steel chimney to solve the problem that the traditional self-standing chimney needs to be disassembled when subjected to segmented maintenance. There are safety hazards during the maintenance process. The maintenance workload is large, the maintenance efficiency is low, and a large amount of manpower and material resources are required. The chimney cannot be subjected to segmented maintenance or replacement without disassembly.

[0005] In a first aspect, the present disclosure provides an inner and outer cylinder type self-standing steel chimney, specifically comprising: a chimney outer cylinder made of steel, a chimney inner cylinder movably connected inside the chimney outer cylinder, a disassembly opening formed in the side surface of the chimney outer cylinder, an upper end of the chimney outer cylinder fixedly connected with an upper butt joint ring, an upper surface of the upper butt joint ring fixedly connected with a centering convex ring, a lower end of the chimney outer cylinder fixedly connected with a lower butt joint ring, the lower butt joint ring of the upper chimney outer cylinder fixedly connected with the upper butt joint ring of the lower chimney outer cylinder through bolts, and a positioning blank plate fixedly connected with the chimney inner cylinder outside through a support, the positioning blank plate fixedly connected in the disassembly opening.

[0006] In at least some embodiments, three inner parallel rib plates are installed on the inner wall of the chimney outer cylinder through welding, and one blank plate butt joint seat is arranged at each of the four top corner positions of the disassembly opening on the outer surface of the chimney outer cylinder.

[0007] In at least some embodiments, the positioning blank plate is an arc-shaped steel plate, and one blank plate butt joint plate is welded at each of the four top corner positions of the positioning blank plate. The blank plate butt joint plate is fixedly connected with the blank plate butt joint seat through bolts.

[0008] In at least some embodiments, the upper end and the lower end of the inner wall of the outer chimney barrel are fixedly connected with end rings of a cylindrical structure through supports, and the end rings are coaxial with the outer chimney barrel.

[0009] In at least some embodiments, an inner locking column is fixedly connected to the inner wall of the outer chimney barrel, the inner locking column is a U-shaped frame, a telescopic jacking rod is slidably connected to the inner locking column, a one-way locking block is fixedly connected to the inner end of the telescopic jacking rod, a jacking rod push spring is fixedly connected between the one-way locking block and the inner end face of the inner locking column, and the inner end face of the one-way locking block is an inclined surface.

[0010] In at least some embodiments, the outer wall of the inner chimney barrel is provided with two inner barrel limiting wedge strips, the outer surface of the inner chimney barrel is attached to the edge of the inner parallel rib plate, the inner barrel limiting wedge strips are parallel to the axis of the inner chimney barrel, the cross section of the inner barrel limiting wedge strips is triangular, the upper end and the lower end of the positioning plug plate are attached to the two end rings, and the inner chimney barrel is coaxial with the outer chimney barrel.

[0011] The utility model provides a kind of inner and outer cylinder type self-standing steel chimney, with following beneficial effects:

[0012] The self-standing chimney in the utility model is composed of double-layer structure of multi-section type assembly, outer chimney barrel and inner chimney barrel, supports through outer chimney barrel, improves the stability of self-standing chimney, inner chimney barrel is installed in the inside of outer chimney barrel, and is connected with end ring, so that the inner chimney barrel of chimney in combined state is longitudinally connected tightly, to avoid smoke leakage, and the outer wall of outer chimney barrel is provided with dismounting opening, positioning plug plate is used to block the dismounting opening in normal state, and positioning plug plate is used to connect and position inner chimney barrel, when chimney is overhauled, positioning plug plate in the dismounting opening of the chimney to be overhauled is dismounted, and inner chimney barrel in the inside of outer chimney barrel is connected, so that inner chimney barrel is quickly dismounted, to facilitate the maintenance and replacement of inner chimney barrel, without segmental dismounting chimney, inner cylinder can be quickly overhauled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0014] The drawings described below only relate to some embodiments of the utility model, and are not limited to the utility model.

[0015] In the drawings:

[0016] Figure 1 A schematic diagram showing the overall structure of the present application is shown;

[0017] Figure 2 A structural schematic diagram of the inside of the outer chimney barrel of the present application is shown;

[0018] Figure 3A structural diagram of the bottom of the present application is shown. Figure 2 A structural diagram of the bottom of the present application is shown.

[0019] Figure 4 A structural diagram of the chimney outer tube of the present application is shown.

[0020] Figure 5 A structural diagram of the chimney inner tube and chimney outer tube of the present application in a separated state is shown.

[0021] Figure 6 A structural diagram of the inner parallel rib plate of the present application is shown.

[0022] Figure 7 A structural diagram of the present application is shown. Figure 2 A structural diagram of the present application is shown.

[0023] Figure 8 A structural diagram of the present application is shown. Figure 3 A structural diagram of the present application is shown.

[0024] Figure 9 A structural diagram of the present application is shown. Figure 3 A structural diagram of the present application is shown.

[0025] List of reference signs

[0026] 1, chimney outer tube; 101, inner parallel rib plate; 102, butt joint seat of blocking plate; 103, end ring; 104, inner locking column; 105, telescopic jacking rod; 106, jacking rod push spring; 107, one-way locking block; 2, dismounting port; 3, upper butt joint ring; 301, centering convex ring; 4, lower butt joint ring; 5, chimney inner tube; 501, inner tube limiting wedge strip; 6, positioning blocking plate; 601, butt joint plate of blocking plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment one: please refer to Figures 1 to 9 :

[0029] The utility model provides a kind of inner and outer cylinder type self-standing steel chimney, comprising: chimney outer tube 1, chimney outer tube 1 is made of steel material, chimney inner tube 5 is movably connected in the inside of chimney outer tube 1, dismounting port 2 is set in the side of chimney outer tube 1, the upper end of chimney outer tube 1 is fixedly connected with upper butt joint ring 3, the upper surface of upper butt joint ring 3 is fixedly connected with centering boss 301, the transverse connection strength between the longitudinal two adjacent chimney outer tube 1 can be enhanced by the setting of centering boss 301, the lower end of chimney outer tube 1 is fixedly connected with lower butt joint ring 4, the lower butt joint ring 4 of upper chimney outer tube 1 is fixedly connected with the upper butt joint ring 3 of lower chimney outer tube 1 by bolt, positioning baffle plate 6 is fixedly connected outside chimney inner tube 5 by support, positioning baffle plate 6 is fixedly connected in dismounting port 2, positioning baffle plate 6 is arc steel plate, one baffle butt plate 601 is welded at four top corner positions of positioning baffle plate 6 respectively, one baffle butt seat 102 is set at four top corner positions of the outer surface of chimney outer tube 1 respectively, baffle butt plate 601 is fixedly connected baffle butt seat 102 by bolt, under normal circumstances, dismounting port 2 is covered and supported by positioning baffle plate 6, the bending strength of chimney outer tube 1 is maintained, positioning baffle plate 6 is fixedly installed in dismounting port 2 by baffle butt plate 601 and bolt cooperation, the dismounting and quick installation of positioning baffle plate 6 are facilitated.

[0030] In the embodiment of the present disclosure, three inner parallel rib plates 101 are installed on the inner wall of the chimney outer tube 1 by welding. In the fixed installation state of the chimney inner tube 5, the outer wall of the chimney inner tube 5 is attached to the inner parallel rib plate 101, supporting the chimney inner tube 5, keeping the chimney inner tube 5 coaxial with the chimney outer tube 1 and reducing shaking.

[0031] In the embodiment of the present disclosure, the end head ring 103 of cylindrical structure is fixedly connected to the upper end and the lower end inside the chimney outer tube 1 by the support. The end head ring 103 is coaxial with the chimney outer tube 1. The upper end and the lower end of the positioning baffle plate 6 are attached to the two end head rings 103 respectively. The chimney inner tube 5 is coaxial with the chimney outer tube 1 and the end head ring 103, so that the chimney inner tube 5 is stably installed inside the chimney outer tube 1, and in the butt joint state of the two chimney outer tubes 1 longitudinally adjacent, the chimney inner tube 5 inside can be tightly connected and kept connected tightly.

[0032] In the embodiment two, on the basis of the embodiment one, the inner wall of the chimney outer cylinder 1 is fixedly connected with an inner locking column 104, the inner locking column 104 is a "U" shaped frame, the inner locking column 104 is slidably connected with a telescopic jack 105 inside, the telescopic jack 105 is fixedly connected with a one-way locking block 107 at the inner end, the one-way locking block 107 is fixedly connected with a jack push spring 106 between the inner end surface of the inner locking column 104, and the inner end surface of the one-way locking block 107 is an inclined surface; the outer wall of the chimney inner cylinder 5 is protrudingly provided with two inner cylinder limiting wedge strips 501, the outer surface of the chimney inner cylinder 5 is attached to the edge of the inner parallel rib plate 101, the inner cylinder limiting wedge strips 501 are parallel to the axis of the chimney inner cylinder 5, and the cross section of the inner cylinder limiting wedge strips 501 is in a triangular structure; in the normal state, the inner cylinder limiting wedge strips 501 are attached to the one-way locking block 107, the one-way locking block 107 is located at the right side of the inner cylinder limiting wedge strips 501, the chimney inner cylinder 5 is limited, the chimney inner cylinder 5 is further fixed or temporarily limited, the chimney inner cylinder 5 is quickly assembled into the set area, when the chimney inner cylinder 5 is disassembled, the telescopic jack 105 is pulled outward, the one-way locking block 107 moves outward and is separated from the inner cylinder limiting wedge strips 501, the chimney inner cylinder 5 is released from the fixation and can be separated from the chimney outer cylinder 1.

[0033] The working principle of the embodiment is as follows: first, when the chimney is installed, the longitudinally adjacent chimneys are segmented and butt jointed, the upper butt joint ring 3 and the lower butt joint ring 4 at the end of the two adjacent chimney outer cylinders 1 are fixed by bolts, a plurality of chimney segments are assembled to the set size according to the actual needs, when the chimney needs to be overhauled, the edge bolts of the segment side positioning plug plate 6 of the chimney segment to be overhauled are disassembled, the positioning plug plate 6 is pulled outward, the telescopic jack 105 is pulled outward, the one-way locking block 107 is separated from the inner cylinder limiting wedge strips 501, the chimney inner cylinder 5 is pulled out from the inside of the disassembly opening 2 together with the positioning plug plate 6, the chimney inner cylinder 5 is convenient to overhaul and replace, after the overhaul is completed, the chimney inner cylinder 5 and the positioning plug plate 6 are inserted into the inside of the disassembly opening 2 again, the upper end and the lower end of the chimney inner cylinder 5 are respectively butt jointed with the end joint ring 103 inside the chimney outer cylinder 1, and the jack push spring 106 and the plug plate butt joint seat 102 are fixedly connected by bolts, so that the quick installation of the chimney inner cylinder 5 is completed, and the chimney is convenient to overhaul and replace the internal structure without being disassembled in a large range.

[0034] In this paper, the following points need to be noted:

[0035] 1. The drawings of the embodiment of the disclosure only relate to the structures involved in the embodiment of the disclosure, and other structures can be referred to the general design.

[0036] 2. In the case of no conflict, the embodiments of the disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0037] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An inner-outer shell type self-supporting steel chimney, comprising: The chimney outer cylinder (1) is characterized in that the chimney outer cylinder (1) is made of steel, the chimney inner cylinder (5) is movably connected inside the chimney outer cylinder (1), the chimney outer cylinder (1) is provided with a dismounting opening (2) on the side surface, the upper end of the chimney outer cylinder (1) is fixedly connected with an upper butt joint ring (3), the lower end of the chimney outer cylinder (1) is fixedly connected with a lower butt joint ring (4), the lower butt joint ring (4) of the upper chimney outer cylinder (1) is fixedly connected with the upper butt joint ring (3) of the lower chimney outer cylinder (1) through bolts, the upper surface of the upper butt joint ring (3) is fixedly connected with a centering convex ring (301), the chimney inner cylinder (5) is fixedly connected with a positioning blanking plate (6) through a support outside the chimney inner cylinder (5), and the positioning blanking plate (6) is fixedly connected in the dismounting opening (2).

2. The self-standing steel chimney of the inner and outer cylinder type according to claim 1, characterized in that, three inner parallel rib plates (101) are arranged on the inner wall of the chimney outer cylinder (1) through welding, and one blanking plate butt joint seat (102) is arranged at each of the four top corner positions of the dismounting opening (2) on the outer surface of the chimney outer cylinder (1).

3. The self-standing steel chimney of the inner and outer cylinder type according to claim 2, characterized in that, the positioning blanking plate (6) is an arc-shaped steel plate, one blanking plate butt joint plate (601) is welded at each of the four top corner positions of the positioning blanking plate (6), and the blanking plate butt joint plate (601) is fixedly connected with the blanking plate butt joint seat (102) through bolts.

4. The self-standing steel chimney of the inner and outer cylinder type according to claim 1, characterized in that, end head joint rings (103) of a cylindrical structure are fixedly connected to the upper end and the lower end inside the chimney outer cylinder (1) through supports, and the end head joint rings (103) are coaxial with the chimney outer cylinder (1).

5. The self-standing steel chimney of the inner and outer cylinder type according to claim 1, characterized in that, an inner locking column (104) is fixedly connected to the inner wall of the chimney outer cylinder (1), the inner locking column (104) is a "U"-shaped frame, a telescopic jacking rod (105) is slidably connected inside the inner locking column (104), a one-way locking block (107) is fixedly connected to the inner end of the telescopic jacking rod (105), a jacking rod push spring (106) is fixedly connected between the one-way locking block (107) and the inner end surface of the inner locking column (104), and the inner end surface of the one-way locking block (107) is beveled.

6. The self-standing steel chimney of the inner and outer cylinder type according to claim 2, characterized in that, two inner cylinder limiting wedge strips (501) are protruded on the outer wall of the chimney inner cylinder (5), the outer surface of the chimney inner cylinder (5) is attached to the edge of the inner parallel rib plate (101), the inner cylinder limiting wedge strips (501) are parallel to the axis of the chimney inner cylinder (5), the cross section of the inner cylinder limiting wedge strips (501) is in a triangular structure, the upper end and the lower end of the positioning blanking plate (6) are attached to the two end head joint rings (103), and the chimney inner cylinder (5) is coaxial with the chimney outer cylinder (1).

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