Lining steel chimney with flange sealing anti-corrosion structure

Abstract

The utility model relates to the technical field of steel chimneys, in particular to a lining steel chimney with a flange sealing anti-corrosion structure, which comprises an upper cylinder body, a lower cylinder body is movably arranged at the bottom of the upper cylinder body, a connecting assembly is arranged in front of the upper cylinder body, and the connecting assembly comprises a first fixing plate. The first fixing plate is fixedly connected to the front face of the upper barrel body. According to the lining steel chimney with the flange sealing anti-corrosion structure, the chimney of a lining borosilicate foam glass brick glue system does not need to be subjected to field construction and tiling, tiling construction can be conducted in a factory, the purposes of convenient production and field portable installation are achieved, the field construction and installation time is shortened, and the safety risk is reduced; the filling cavity is formed through multi-layer compounding, so that polyurethane asphalt mastic is easier to fill and seal, and a compact sealing structure and a structure in which C276 super stainless steel and a borosilicate foam glass brick glue system are combined to be more corrosion-resistant are formed, so that the requirements of in-plant construction and corrosion-resistant sealing are met.

Description

Technical Field

[0001] The utility model relates to the technical field of steel chimneys, in particular to an inner-lined steel chimney with a flange sealing anti-corrosion structure. Background Art

[0002] The steel chimney lined with borosilicate foam glass brick adhesive system needs to be prefabricated in the factory and then transported to the project site for construction and installation. After the chimney is constructed, a hanging basket is used to stick the internal borosilicate foam glass brick adhesive system. In order to ensure the sealing and anti-corrosion effects, the treatment of the flange joints is the focus. This practice requires on-site construction and strengthened risk control measures.

[0003] Existing technologies usually involve on-site construction, especially the processing of flange connection positions. The efficiency of high-altitude construction is low and there are safety risks, so risk control measures need to be strengthened. Utility Model Content

[0004] The purpose of the utility model is to provide a lined steel chimney with a flange sealing anti-corrosion structure to solve the problems of low efficiency of high-altitude construction work, safety risks, and the need to strengthen risk control measures proposed in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: a lined steel chimney with a flange sealing anti-corrosion structure, comprising an upper cylinder, a lower cylinder movably mounted at the bottom of the upper cylinder, a connecting assembly arranged in front of the upper cylinder, the connecting assembly comprising a fixing plate 1, the fixing plate 1 is fixedly connected to the front of the upper cylinder, a flange 1 is fixedly connected to the middle of the fixing plate 1, a stainless steel lining plate 1 is fixedly connected to the bottom of the upper cylinder, a fixing plate 2 is fixedly connected to the front of the lower cylinder, a flange 2 is fixedly connected to the middle of the fixing plate 2, a stainless steel lining plate 2 is fixedly connected to the top of the lower cylinder, a polyurethane asphalt adhesive 1 is fixedly connected to the gap between the stainless steel lining plate 2 and the stainless steel lining plate 1, and the stainless steel lining plate 1 is fixedly connected to the stainless steel lining plate 2 through the polyurethane asphalt adhesive 1.

[0005] Further preferably, the top of the fixed plate two is fixedly connected with an outer lining plate, the top of the flange two is movably connected with a bolt, the bottom of the bolt extends downward to the bottom of the flange two, and the outer wall of the bolt extending downward to the bottom of the flange two is threadedly connected with a fastening nut, thereby achieving the goal that the chimney lined with a borosilicate foam glass brick glue system does not need to be tiled on-site, but only needs to be tiled in the factory, thereby achieving the purpose of convenient production and portable on-site installation.

[0006] Further preferably, a locking nut is movably connected to the bottom of the fastening nut, the locking nut is threadedly connected to the bolt, and the flange one is movably connected to the flange two through the connecting bolts, thereby reducing the time of on-site construction and installation and reducing safety risks.

[0007] Further preferably, the top of the flange one is movably connected with a positioning rod, the bottom of the positioning rod passes through the flange two and extends downward to the bottom thereof, and the middle of the positioning rod is movably connected with a latch.

[0008] Further preferably, a sealing and anti-corrosion component is provided inside the upper cylinder, and the sealing and anti-corrosion component includes polyurethane asphalt adhesive 2, which forms a filling cavity through multi-layer composite, making it easier for the polyurethane asphalt adhesive to fill and seal, forming a tight sealing structure. The combination of C276 super stainless steel and borosilicate foam glass brick adhesive system is a more corrosion-resistant structure, thereby meeting the needs of in-factory construction and anti-corrosion sealing.

[0009] Further preferably, the second polyurethane asphalt adhesive is fixedly connected to the inner walls of the upper cylinder and the lower cylinder, and the inner walls of the second polyurethane asphalt adhesive are fixedly connected with borosilicate foam glass bricks.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] In the utility model, it is achieved that the chimney lined with the borosilicate foam glass brick adhesive system does not need to be tiled on site, but can be tiled in the factory, thereby achieving the purpose of convenient production and portable installation on site, reducing the time of on-site construction and installation and reducing safety risks. The filling cavity is formed by multi-layer composite, which makes it easier for the polyurethane asphalt adhesive to fill and seal, forming a tight sealing structure. The combination of C276 super stainless steel and the borosilicate foam glass brick adhesive system has a more corrosion-resistant structure, thereby meeting the needs of in-factory construction and anti-corrosion sealing.

[0012] In the utility model, under the premise of meeting the performance of borosilicate foam glass bricks, C276 super stainless steel can be changed to other corrosion-resistant materials such as nickel-based or titanium-based materials. Under the premise of not destroying the performance of borosilicate foam glass bricks, the flange sealing device of borosilicate foam glass bricks can be constructed on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the local detail structure of the utility model;

[0016] Figure 4 This is an enlarged structural diagram of the local details of the connection component of the utility model Figure 1 ;

[0017] Figure 5 This is an enlarged structural diagram of the local details of the connection component of the utility model Figure 2 .

[0018] In the figure: 1, upper cylinder; 2, lower cylinder; 3, connection assembly; 4, sealing and anti-corrosion assembly; 301, fixing plate 1; 302, flange 1; 303, stainless steel inner lining plate 1; 304, fixing plate 2; 305, flange 2; 306, stainless steel inner lining plate 2; 307, polyurethane asphalt adhesive 1; 308, outer lining plate; 309, connecting bolt; 310, fastening nut; 311, locking nut; 312, positioning rod; 313, latch; 401, polyurethane asphalt adhesive 2; 402, borosilicate foam glass brick; DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 5 The utility model provides a technical solution: a lined steel chimney with a flange sealing anti-corrosion structure, comprising an upper cylinder 1, a lower cylinder 2 is movably installed at the bottom of the upper cylinder 1, a connecting assembly 3 is arranged in front of the upper cylinder 1, the connecting assembly 3 comprises a fixing plate 1 301, the fixing plate 1 301 is fixedly connected to the front of the upper cylinder 1, a flange 1 302 is fixedly connected to the middle of the fixing plate 1 301, a stainless steel lining plate 1 303 is fixedly connected to the bottom of the upper cylinder 1, a fixing plate 2 304 is fixedly connected to the front of the lower cylinder 2, a flange 2 305 is fixedly connected to the middle of the fixing plate 2 304, a stainless steel lining plate 2 306 is fixedly connected to the top of the lower cylinder 2, a polyurethane asphalt adhesive 1 307 is fixedly connected to the gap between the stainless steel lining plate 2 306 and the stainless steel lining plate 1 303, and the stainless steel lining plate 1 303 is fixedly connected to the stainless steel lining plate 2 306 through the polyurethane asphalt adhesive 1 307.

[0021] In this embodiment, Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the top of the fixing plate 304 is fixedly connected to the outer lining plate 308, the top of the flange 305 is movably connected to the bolt 309, the bottom of the bolt 309 extends downward to the bottom of the flange 305, and the outer wall of the bolt 309 extending downward to the bottom of the flange 305 is threadedly connected to the fastening nut 310.

[0022] In this embodiment, Figure 2 , Figure 3 and Figure 4 As shown, the bottom of the fastening nut 310 is movably connected with a locking nut 311, the locking nut 311 is threadedly connected to the bolt 309, and the flange 1 302 is movably connected to the flange 2 305 through the connecting bolt 309.

[0023] In this embodiment, Figure 3 As shown, the top of the flange 1 302 is movably connected with a positioning rod 312, the bottom of the positioning rod 312 penetrates the flange 2 305 and extends downward to its bottom, and the middle of the positioning rod 312 is movably connected with a latch 313. The upper cylinder 1 and the lower cylinder 2 after the anti-corrosion sealing are transferred to the site for assembly, and the polyurethane asphalt adhesive 1 307 is brushed on the bottom of the stainless steel lining plate 1 303.

[0024] In this embodiment, Figure 1 and Figure 2 As shown, a sealing and anti-corrosion component 4 is provided inside the upper cylinder 1, and the sealing and anti-corrosion component 4 includes a polyurethane asphalt adhesive 401. When in use, the polyurethane asphalt adhesive 401 is first evenly applied to the inner walls of the upper cylinder 1 and the lower cylinder 2, and then the polytetrafluoroethylene film is attached to the polyurethane asphalt adhesive 401.

[0025] In this embodiment, Figure 1 and Figure 2 As shown, the polyurethane asphalt adhesive 2 401 is fixedly connected to the inner walls of the upper cylinder 1 and the lower cylinder 2, and the inner wall of the polyurethane asphalt adhesive 2 401 is fixedly connected with the borosilicate foam glass brick 402. Then, a layer of the polyurethane asphalt adhesive 2 401 is brushed, and then the borosilicate foam glass brick 402 is adhered to the polyurethane asphalt adhesive 2 401.

[0026] The use method and advantages of the utility model: When the lined steel chimney with flange sealing anti-corrosion structure is used, the working process is as follows:

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, when in use, first evenly apply polyurethane asphalt adhesive 2 401 to the inner walls of the upper cylinder 1 and the lower cylinder 2, then attach the polytetrafluoroethylene film to the polyurethane asphalt adhesive 2 401, then brush another layer of polyurethane asphalt adhesive 2 401, and then stick the borosilicate foam glass brick 402 to the polyurethane asphalt adhesive 2 401, then transfer the upper cylinder 1 and the lower cylinder 2 after the anti-corrosion sealing to the site for assembly, brush the polyurethane asphalt adhesive 1 307 under the stainless steel lining plate 1 303, and assemble the bottom of the upper cylinder 1 and the top of the lower cylinder 2. After the parts are merged, the stainless steel lining plate 1 303 is sealed and connected with the stainless steel lining plate 2 306 through the polyurethane asphalt adhesive 1 307, and then the flange 1 302 and the flange 2 305 are movably connected through the connecting bolts 309, and then the fastening nut 310 and the locking nut 311 are threadedly connected from the bottom of the connecting bolts 309 to reinforce the connection between the flange 1 302 and the flange 2 305, and then the positioning rod 312 and the pin 313 are used to strengthen the connection between the flange 1 302 and the flange 2 305, so that the upper cylinder 1 and the lower cylinder 2 are flange-connected.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A lined steel chimney with a flange sealing anti-corrosion structure, comprising an upper cylinder (1), characterized in that: The bottom of the upper cylinder (1) is movably mounted with a lower cylinder (2); a connecting assembly (3) is arranged in front of the upper cylinder (1); the connecting assembly (3) comprises a fixing plate (301); the fixing plate (301) is fixedly connected to the front of the upper cylinder (1); a flange (302) is fixedly connected to the middle of the fixing plate (301); a stainless steel lining plate (303) is fixedly connected to the bottom of the upper cylinder (1); and a fixed flange (304) is fixedly connected to the front of the lower cylinder (2). A second fixed plate (304), the middle of which is fixedly connected with a second flange (305), the top of the lower cylinder (2) is fixedly connected with a second stainless steel lining plate (306), the gap between the second stainless steel lining plate (306) and the first stainless steel lining plate (303) is fixedly connected with a polyurethane asphalt adhesive (307), and the first stainless steel lining plate (303) is fixedly connected with the second stainless steel lining plate (306) via the polyurethane asphalt adhesive (307).

2. The lined steel chimney with flange sealing and anti-corrosion structure according to claim 1, characterized in that: The top of the second fixing plate (304) is fixedly connected to an outer lining plate (308), the top of the second flange (305) is movably connected to a bolt (309), the bottom of the bolt (309) extends downward to the bottom of the second flange (305), and the outer wall of the bolt (309) extending downward to the bottom of the second flange (305) is threadedly connected to a fastening nut (310).

3. The lined steel chimney with flange sealing and anti-corrosion structure according to claim 2, characterized in that: The bottom of the fastening nut (310) is movably connected to a locking nut (311), and the locking nut (311) is threadedly connected to the bolt (309). The flange plate 1 (302) is movably connected to the flange plate 2 (305) via the connecting bolt (309).

4. The lined steel chimney with flange sealing and anti-corrosion structure according to claim 3, characterized in that: The top of the flange 1 (302) is movably connected to a positioning rod (312), the bottom of the positioning rod (312) passes through the flange 2 (305) and extends downward to the bottom thereof, and the middle of the positioning rod (312) is movably connected to a latch pin (313).

5. The lined steel chimney with flange sealing and anti-corrosion structure according to claim 4, characterized in that: A sealing and anti-corrosion component (4) is arranged inside the upper cylinder (1), and the sealing and anti-corrosion component (4) includes a second polyurethane asphalt adhesive (401).

6. The lined steel chimney with flange sealing and anti-corrosion structure according to claim 5, characterized in that: The second polyurethane asphalt adhesive (401) is fixedly connected to the inner walls of the upper cylinder (1) and the lower cylinder (2), and the inner wall of the second polyurethane asphalt adhesive (401) is fixedly connected with a borosilicate foam glass brick (402).

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