Hot galvanizing waste gas recovery cover easy to connect
By improving the structural design of the hot-dip galvanized waste gas recovery hood and using technologies such as the contraction arc plate and sealing ring plate, the problems of low connection efficiency and poor sealing effect of the traditional waste gas recovery hood are solved, achieving efficient waste gas collection and reducing operating costs.
Patent Information
- Application Number
- CN202422289284.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Traditional hot-dip galvanized exhaust gas recovery hoods require the use of multiple separate components to assemble and connect, with low connection efficiency and poor sealing effect.
An easy-to-connect hot-dip galvanized exhaust gas recovery cover is designed, using a contraction arc plate, sealing ring plate and threaded fitting structure to ensure a tight connection between the cover body and the tube, and to reduce exhaust gas leakage through a tapered plug-in channel and rubber baffle.
Simplifies the installation process, improves connection efficiency and sealing, and reduces maintenance costs and risk of exhaust gas escape.
Smart Images

Figure CN223171591U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hot-dip galvanized waste gas recovery hood which is easy to connect. Background Art
[0002] In the hot-dip galvanizing process, a large amount of waste gas is generated when workpieces are galvanized in a hot-dip galvanizing tank. These waste gases mainly include harmful substances such as hydrogen chloride, zinc chloride, and zinc oxide, which are harmful to the environment and human health.
[0003] Traditional waste gas recovery hoods need to use multiple separate components to assemble and connect the hood body, resulting in low connection efficiency. At the same time, there are easily gaps in the waste gas recovery hood during use, and the sealing effect is poor. Therefore, a hot-dip galvanized waste gas recovery hood that is easy to connect is proposed. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a hot-dip galvanized waste gas recovery hood that is easy to connect, so as to solve the problems in the above background art that traditional waste gas recovery hoods need to use multiple separate components to assemble and connect the hood body, resulting in low connection efficiency, and there are easily gaps in the waste gas recovery hood during use, and the sealing effect is poor.
[0005] To solve the above technical problems, the utility model provides the following technical solution: A hot-dip galvanized waste gas recovery hood that is easy to connect, including a waste gas recovery hood body, a connection groove plate connected to the hot-dip galvanizing tank body is arranged below the waste gas recovery hood body, and the upper part of the waste gas recovery hood body is connected to a waste gas recovery pipe through a converging member;
[0006] Among them, the waste gas recovery pipe absorbs the waste gas generated when the workpiece is hot-dip galvanized through the waste gas recovery hood body.
[0007] Preferably, the converging member includes a connection cylinder arranged at the top end of the waste gas recovery hood body, and four converging arc plates are arranged at one end of the connection cylinder away from the waste gas recovery hood body. External threads are provided on the outer circumferences of the four converging arc plates;
[0008] A converging cylinder plate is arranged on the outer circumference of the connection cylinder, and internal threads matching the external threads are provided on the inner wall of the converging cylinder plate.
[0009] Preferably, the four converging arc plates are arranged in a horn shape, and anti-slip cushion plates are arranged on the inner walls of the four converging arc plates.
[0010] Preferably, a sealing ring plate is arranged on the inner wall of the connection cylinder, and a plugging channel is provided in the middle of the sealing ring plate, and the plugging channel is arranged in a conical shape.
[0011] Preferably, a notch for inserting into the hot-dip galvanizing tank body is formed on one side of the connecting groove plate, and guiding grooves matched with the hot-dip galvanizing tank body are formed on both sides of the inner wall of the connecting groove plate.
[0012] Preferably, a moving groove for guiding the connection of the lifting tool is formed on one side of the exhaust gas recovery cover body where it is located at the notch. Rubber baffles are arranged on both sides of the moving groove, and a gap is formed between the two groups of rubber baffles.
[0013] Preferably, the two groups of rubber baffles and the exhaust gas recovery cover body are arranged in a V shape.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] By simplifying the structural design of the exhaust gas recovery cover, the number of individual components is reduced, making the installation process simpler and faster, thereby improving the connection efficiency.
[0016] With the design of the conical insertion channel and the sealing ring plate, the tight connection between the exhaust gas recovery cover body and the exhaust gas recovery pipe is ensured, effectively preventing the leakage of exhaust gas.
[0017] The horn-shaped design of the converging arc plate and the anti-slip cushion plate on the inner wall increase the connection stability, preventing the connection from loosening due to thermal expansion or mechanical vibration.
[0018] The internal thread on the converging cylinder plate is matched with the external thread on the converging arc plate, enabling the converging parts to be quickly gathered, and then connecting and fixing the exhaust gas recovery pipe, which is convenient for subsequent maintenance and cleaning.
[0019] Through the notch and guiding grooves of the connecting groove plate, the tight fit between the exhaust gas recovery cover body and the hot-dip galvanizing tank body is ensured, reducing the escape of exhaust gas and improving the exhaust gas collection efficiency.
[0020] The rubber baffles on both sides of the moving groove form a V-shaped structure, which can effectively reduce the escape of exhaust gas from the cover body while allowing the lifting tool to move, reducing the unorganized emission.
[0021] The simplified structural design and improved installation efficiency reduce the maintenance cost. At the same time, the reduced exhaust gas leakage also reduces the operating cost generated by treating exhaust gas. Description of the Drawings
[0022] Figure 1 is the overall structural schematic diagram of the embodiment of the present utility model;
[0023] Figure 2 is the structural schematic diagram of the connecting groove plate of the embodiment of the present utility model;
[0024] Figure 3 is the structural schematic diagram of the converging part of the embodiment of the present utility model;
[0025] Figure 4 This is a schematic structural view of the connecting cylinder according to an embodiment of the present utility model.
[0026] In the figure: 1. Exhaust gas recovery cover body; 101. Moving groove; 102. Rubber baffle; 103. Gap; 2. Connecting groove plate; 201. Notch; 202. Guide groove; 3. Converging member; 301. Connecting cylinder; 302. Converging arc plate; 303. External thread; 304. Converging cylinder plate; 305. Anti-slip cushion plate; 306. Sealing ring plate; 307. Insertion channel. Detailed implementation manners
[0027] In order to facilitate solving the problems that the traditional exhaust gas recovery cover needs to use multiple separate components to assemble the connecting cover body, the connection efficiency is relatively low, and there are easily gaps in the process of using the exhaust gas recovery cover, resulting in poor sealing effect, the embodiment of the present utility model provides a hot-dip galvanized exhaust gas recovery cover that is easy to connect. The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0028] Please refer to Figures 1-4 , the present utility model provides a hot-dip galvanized exhaust gas recovery cover that is easy to connect, including an exhaust gas recovery cover body 1. A connecting groove plate 2 connected to the hot-dip galvanizing tank body is arranged below the exhaust gas recovery cover body 1. The upper part of the exhaust gas recovery cover body 1 is connected to an exhaust gas recovery pipe through a converging member 3;
[0029] Among them, the exhaust gas recovery pipe absorbs the exhaust gas generated when the workpiece is hot-dip galvanized through the exhaust gas recovery cover body 1.
[0030] The converging member 3 includes a connecting cylinder 301 arranged at the top end of the exhaust gas recovery cover body 1. Four converging arc plates 302 are arranged at one end of the connecting cylinder 301 far from the exhaust gas recovery cover body 1. External threads 303 are provided on the outer circumferences of the four converging arc plates 302;
[0031] A converging cylinder plate 304 is arranged on the outer circumference of the connecting cylinder 301, and internal threads matching the external threads 303 are provided on the inner wall of the converging cylinder plate 304.
[0032] The four converging arc plates 302 are arranged in a trumpet shape, and anti-slip cushion plates 305 are arranged on the inner walls of the four converging arc plates 302.
[0033] The inner wall of the connecting cylinder 301 is provided with a sealing ring plate 306, and a plugging channel 307 is formed in the middle of the sealing ring plate 306, and the plugging channel 307 is arranged in a conical shape.
[0034] One side of the connecting groove plate 2 is provided with a notch 201 for plugging into the hot-dip galvanizing tank body, and guide grooves 202 matched with the hot-dip galvanizing tank body are formed on both sides of the inner wall of the connecting groove plate 2.
[0035] On one side of the notch 201 of the waste gas recovery hood body 1, a moving groove 101 for guiding the connection of a lifting tool is formed, and rubber baffle plates 102 are arranged on both sides of the moving groove 101, and a gap 103 is formed between the two groups of rubber baffle plates 102.
[0036] The two groups of rubber baffle plates 102 and the waste gas recovery hood body 1 are arranged in a V shape.
[0037] The working principle of a hot-dip galvanizing waste gas recovery hood that is easy to connect provided by the present utility model is as follows: during installation, the waste gas recovery hood body 1 is plugged into the hot-dip galvanizing tank through the notch 201 of the connecting groove plate 2 until the connecting groove plate 2 drives the waste gas recovery hood body 1 to be clamped to the hot-dip galvanizing tank;
[0038] The waste gas recovery pipe is inserted through the beam converging cylinder plate 304 into the inner wall of the connecting cylinder 301, so that it presses against the sealing ring plate 306 on the inner wall of the connecting cylinder 301 and abuts in the plugging channel 307.
[0039] The beam converging cylinder plate 304 is rotated upward, and the beam converging cylinder plate 304 is matched with the external thread 303 outside the beam converging arc plate 302 through the internal thread, and drives the beam converging arc plate 302 to converge, and the waste gas recovery pipe is connected and locked through the anti-slip cushion plate 305.
[0040] During the use process, the lifting tool connects the workpiece to be galvanized and moves it into the hot-dip galvanizing tank, and the waste gas recovery hood body 1 is moved. The lifting tool moves through the moving groove 101, and the rubber baffle plates 102 are attached to the lifting tool, reducing the generation of gaps and improving the sealing performance.
[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A hot-dip galvanized waste gas recovery hood that is easy to connect, characterized in that: It includes an exhaust gas recovery hood (1), a connecting groove plate (2) connected to the hot-dip galvanizing tank body is arranged below the exhaust gas recovery hood (1), and the upper part of the exhaust gas recovery hood (1) is connected to an exhaust gas recovery pipe through a converging member (3); Among them, the exhaust gas recovery pipe absorbs the exhaust gas generated when the workpiece is hot-dip galvanized through the exhaust gas recovery hood (1).
2. The easy-to-connect hot-dip galvanized waste gas recovery hood according to claim 1, characterized in that: The converging member (3) includes a connecting cylinder (301) arranged at the top end of the exhaust gas recovery hood (1), and four converging arc plates (302) are arranged at one end of the connecting cylinder (301) far from the exhaust gas recovery hood (1), and external threads (303) are provided on the outer circumferences of the four converging arc plates (302); A converging cylinder plate (304) is arranged on the outer circumference of the connecting cylinder (301), and internal threads matching the external threads (303) are provided on the inner wall of the converging cylinder plate (304).
3. The easy-to-connect hot-dip galvanized waste gas recovery hood according to claim 2, characterized in that: The four converging arc plates (302) are arranged in a trumpet shape, and anti-slip backing plates (305) are arranged on the inner walls of the four converging arc plates (302).
4. The easy-connecting hot-dip galvanized waste gas recovery hood according to claim 3, wherein: A sealing ring plate (306) is arranged on the inner wall of the connecting cylinder (301), and a plugging channel (307) is provided in the middle of the sealing ring plate (306), and the plugging channel (307) is arranged in a conical shape.
5. The easy-to-connect hot-dip galvanized waste gas recovery hood according to claim 4, characterized in that: A notch (201) for plugging into the hot-dip galvanizing tank body is provided on one side of the connecting groove plate (2), and guiding grooves (202) matching the hot-dip galvanizing tank body are provided on both sides of the inner wall of the connecting groove plate (2).
6. The easy-to-connect hot-dip galvanized waste gas recovery hood according to claim 5, characterized in that: A moving groove (101) for guiding the connection of the lifting tool is provided on one side of the exhaust gas recovery hood (1) where the notch (201) is located, and rubber baffles (102) are arranged on both sides of the moving groove (101), and a gap (103) is formed between the two rubber baffles (102).
7. The easy-to-connect hot-dip galvanized waste gas recovery hood according to claim 6, wherein: The two rubber baffles (102) are arranged in a V shape with the exhaust gas recovery hood (1).