Flue gas collecting cover for roasting furnace
By introducing disassembly and cleaning devices into the flue gas collection hood, and utilizing components such as hollow rods, retaining rings, rectangular grooves, rectangular blocks, clamps, and springs, the problem of inconvenient disassembly and maintenance of the flue gas collection hood is solved, achieving convenient disassembly and efficient cleaning.
Patent Information
- Application Number
- CN202520180346.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-05
AI Technical Summary
The existing flue gas collection hoods used in roasting furnaces are not easy to disassemble and repair, which affects the maintenance efficiency of the flue gas collection hoods.
A flue gas collection hood with a disassembly device was designed. It uses components such as hollow rods, retaining rings, rectangular grooves, rectangular blocks, retaining rods and springs to achieve reliable connection and sealing between the pipe and the hollow rods, and facilitate disassembly. At the same time, a cleaning device is set up to achieve automatic reset of the filter frame and dust cleaning by using cleaning rings and springs.
It enables convenient disassembly and maintenance of the flue gas collection hood, ensures sealing effect, improves cleaning efficiency, and avoids the inconvenience caused by rigid contact.
Smart Images
Figure CN223782879U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of flue gas collection hoods for roasting furnaces, and in particular to flue gas collection hoods for roasting furnaces. Background Technology
[0002] A gas collection hood is a device used in flue gas purification systems to collect pollutants from the source. It directs dust and gaseous pollutants into the purification system while preventing them from spreading into the production workshop and the atmosphere, thus preventing pollution. Its performance directly affects the technical and economic indicators of the purification system. Due to differences in the structure of pollution source equipment and production operation processes, gas collection hoods come in various forms. They are commonly used for collecting flue gas from roasting furnaces.
[0003] The inventors discovered during routine use of the gas collection hood that ordinary collection hoods are usually fixed to the flue gas duct with bolts and other components. Since the collection hood is located on the top of the roasting furnace, it is inconvenient to disassemble and inspect it, which in turn affects the maintenance of the flue gas collection hood and causes problems. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a flue gas collection hood for roasting furnaces.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a flue gas collection hood for a roasting furnace, comprising a collection hood, a disassembly device provided on the top of the collection hood, an air suction assembly provided inside the collection hood, a cleaning device provided inside the collection hood, the disassembly device comprising a hollow rod fixedly connected to the top of the collection hood, a pipe inserted inside the hollow rod, a retaining ring fixedly connected to the surface of the pipe, and an annular groove formed on the inner wall of the hollow rod.
[0006] The effect achieved by the above components is as follows: under the action of the retaining ring and the ring groove, the hollow rod and the pipe are locked together, thereby achieving a sealing effect. When the collection hood is required, the collection hood is connected to the feed inlet of the roasting furnace, the air suction component is activated, and the flue gas generated by the roasting furnace is collected, thereby achieving the collection function.
[0007] Preferably, the inner wall of the hollow rod is provided with a rectangular groove, a rectangular block is fixedly connected to the surface of the pipe, the rectangular block is inserted into the interior of the rectangular groove, and a pad is fixedly connected to one end of the pipe.
[0008] The effect achieved by the above components is as follows: under the action of the rectangular groove and the rectangular block, the pipe will not rotate after being inserted into the hollow rod; under the action of the pad, the rectangular block will not be directly inserted into the rectangular groove, thus avoiding rigid contact.
[0009] Preferably, a clamping rod is inserted into the surface of the hollow rod, and one end of the clamping rod is inserted into the interior of the pipe.
[0010] The effect achieved by the above components is that, under the action of the clamping rod, the hollow rod can be fitted onto the surface of the pipe, thereby achieving a fixing effect.
[0011] Preferably, a first spring is sleeved on the surface of the clamping rod, and the two ends of the first spring are respectively fixedly connected to the surface of the hollow rod at one end of the clamping rod.
[0012] The effects achieved by the above components are as follows: Under the action of the first spring, the locking rod is inserted into the inside of the pipe in a self-locking manner. When it is necessary to collect flue gas by the collection hood, the pipe is inserted into the inside of the hollow rod. Under the action of the retaining ring and the ring groove, the hollow rod and the pipe are locked together, thereby achieving a sealing effect. Under the action of the rectangular groove and the rectangular block, the pipe will not rotate after being inserted into the inside of the hollow rod. Under the action of the pad, the rectangular block will not be directly inserted into the inside of the rectangular groove, avoiding rigid contact. Under the action of the first spring, the locking rod is inserted into the inside of the pipe in a self-locking manner, thereby achieving the function of easy disassembly.
[0013] Preferably, the cleaning device includes a filter frame fixedly connected inside the collection hood, a fixing rod fixedly connected inside the collection hood, a cleaning ring slidably connected to the surface of the fixing rod, and the cleaning ring being in contact with the surface of the filter frame.
[0014] The effect achieved by the above components is that, under the action of the cleaning ring, the dust adsorbed on the surface of the filter frame is cleaned, thereby achieving the cleaning effect.
[0015] Preferably, a second spring is fixedly connected to the top of the cleaning ring, and the two ends of the second spring are fixedly connected to the inner wall of the collection hood at the top of the cleaning ring.
[0016] The effect achieved by the above components is that, under the action of the second spring, the cleaning ring cleans the filter frame and then resets.
[0017] Preferably, a round rod is fixedly connected to the bottom of the filter frame, a sleeve rod is fitted on the surface of the round rod, a ring is fixedly connected inside the sleeve rod, and a collection frame is fixedly connected to one end of the sleeve rod.
[0018] The effect achieved by the above components is that, under the action of the sleeve rod and the ring, the collection frame can be fixed at the bottom of the filter frame to collect smoke and dust.
[0019] Preferably, a locking rod is inserted into one end of the sleeve rod, and one end of the locking rod is inserted into the interior of the round rod.
[0020] The aforementioned components achieve the following effects: Under the action of the locking rod, the collection frame can be fixed at the bottom of the filter frame, thus achieving a fixing function. When it is necessary to clean the inside of the collection hood, the cleaning ring slides up and down on the surface of the fixing rod to clean the dust from the surface of the filter frame. Under the action of the second spring, the cleaning ring resets after cleaning the filter frame. Under the action of the sleeve rod and the ring, the collection frame can be fixed at the bottom of the filter frame to collect dust. Under the action of the locking rod, the collection frame can be fixed at the bottom of the filter frame, thus achieving a fixing function and a cleaning function.
[0021] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0022] In this invention, by setting up a disassembly device, when it is necessary to collect flue gas from the collection hood, the pipe is inserted into the hollow rod. Under the action of the retaining ring and the ring groove, the hollow rod and the pipe are locked together, thereby achieving a sealing effect. Under the action of the rectangular groove and the rectangular block, the pipe will not rotate after being inserted into the hollow rod. Under the action of the pad, the rectangular block will not be directly inserted into the rectangular groove, avoiding rigid contact. Under the action of the first spring, the retaining rod is inserted into the pipe in a self-locking manner, thereby achieving the function of convenient disassembly and thus solving the problem that the flue gas collection hood is inconvenient to disassemble and maintain. Attached Figure Description
[0023] Figure 1 A three-dimensional structural schematic diagram of a flue gas collection hood for a roasting furnace is provided for this utility model.
[0024] Figure 2 A schematic diagram of the disassembly device for the flue gas collection hood of the roasting furnace proposed in this utility model;
[0025] Figure 3 This is a schematic diagram of the cleaning device for the flue gas collection hood of the roasting furnace proposed in this utility model.
[0026] Legend: 1. Collection cover; 2. Disassembly device; 21. Hollow rod; 22. Pipe; 23. Clamping ring; 24. Rectangular block; 25. Rectangular groove; 26. Pad; 27. Clamping rod; 28. First spring; 3. Cleaning device; 31. Filter frame; 32. Cleaning ring; 33. Fixing rod; 34. Second spring; 35. Sleeve rod; 36. Collection frame; 37. Clamping rod. Detailed Implementation
[0027] Example 1, such as Figure 1-3As shown, the flue gas collection hood 1 for the roasting furnace includes a collection hood 1, a disassembly device 2 is provided on the top of the collection hood 1, an air suction component is provided inside the collection hood 1, and a cleaning device 3 is provided inside the collection hood 1. When the collection hood 1 is needed, the collection hood 1 is connected to the feed inlet of the roasting furnace, the air suction component is activated, and the flue gas generated by the roasting furnace is collected, thereby achieving the collection function.
[0028] Reference Figure 2 The disassembly device 2 includes a hollow rod 21 fixedly connected to the top of the collection hood 1. A pipe 22 is inserted inside the hollow rod 21, and a retaining ring 23 is fixedly connected to the surface of the pipe 22. An annular groove is formed on the inner wall of the hollow rod 21. Under the action of the retaining ring 23 and the annular groove, the hollow rod 21 and the pipe 22 are locked together, thereby achieving a sealing effect. When the collection hood 1 is needed, it is connected to the feed inlet of the roasting furnace, and the suction assembly is activated to collect the flue gas generated by the roasting furnace, thus achieving the collection function. The hollow rod 21 has a rectangular groove 25 on its inner wall. A rectangular block 24 is fixedly connected to the surface of the pipe 22. The rectangular block 24 is inserted into the rectangular groove 25. A pad 26 is fixedly connected to one end of the pipe 22. Under the action of the rectangular groove 25 and the rectangular block 24, the pipe 22 will not rotate after being inserted into the hollow rod 21. Under the action of the pad 26, the rectangular block 24 will not be directly inserted into the rectangular groove 25, avoiding rigid contact. A locking rod 27 is inserted into the surface of the hollow rod 21. One end of the clamp 27 is inserted into the interior of the pipe 22. Under the action of the clamp 27, the hollow rod 21 can be fitted onto the surface of the pipe 22, thus achieving a fixing effect. A first spring 28 is fitted onto the surface of the clamp 27. The two ends of the first spring 28 are respectively fixedly connected to one end of the clamp 27 and the surface of the hollow rod 21. Under the action of the first spring 28, the clamp 27 is self-locking and inserted into the interior of the pipe 22. When it is necessary to collect flue gas from the collection hood 1, the pipe 22 is inserted into the interior of the hollow rod 21. The retaining ring 23 and the annular groove cause the hollow rod 21 and the pipe 22 to engage together, thus achieving a sealing effect. The rectangular groove 25 and the rectangular block 24 prevent the pipe 22 from rotating after being inserted into the hollow rod 21. The pad 26 prevents the rectangular block 24 from being directly inserted into the rectangular groove 25, avoiding rigid contact. The first spring 28 causes the retaining rod 27 to self-lock and be inserted into the pipe 22, thus facilitating disassembly.
[0029] Reference Figure 3The cleaning device 3 includes a filter frame 31 fixedly connected inside the collection cover 1. A fixing rod 33 is fixedly connected inside the collection cover 1. A cleaning ring 32 is slidably connected to the surface of the fixing rod 33. The cleaning ring 32 is in contact with the surface of the filter frame 31. Under the action of the cleaning ring 32, the dust adsorbed on the surface of the filter frame 31 is cleaned, thereby achieving the cleaning effect. A second spring 34 is fixedly connected to the top of the cleaning ring 32. The two ends of the second spring 34 are respectively fixedly connected to the top of the cleaning ring 32 and the inner wall of the collection cover 1. Under the action of the second spring 34, the cleaning ring 32 cleans the filter frame 31 and then resets. A round rod is fixedly connected to the bottom of the filter frame 31. A sleeve rod 35 is sleeved on the surface of the round rod. A ring is fixedly connected inside the sleeve rod 35. A collection frame 36 is fixedly connected to one end of the sleeve rod 35. Under the action of the sleeve rod 35 and the ring, the filter frame 31 is cleaned. The collection frame 36 can be fixed to the bottom of the filter frame 31 to collect smoke and dust. One end of the sleeve rod 35 is inserted with a locking rod 37, which is inserted into the inside of the round rod. Under the action of the locking rod 37, the collection frame 36 can be fixed to the bottom of the filter frame 31, thus achieving the function of fixation. When it is necessary to clean the inside of the collection cover 1, the cleaning ring 32 slides up and down on the surface of the fixing rod 33 to clean the smoke and dust on the surface of the filter frame 31. Under the action of the second spring 34, the cleaning ring 32 resets after cleaning the filter frame 31. Under the action of the sleeve rod 35 and the round ring, the collection frame 36 can be fixed to the bottom of the filter frame 31 to collect smoke and dust. Under the action of the locking rod 37, the collection frame 36 can be fixed to the bottom of the filter frame 31, thus achieving the function of fixation and cleaning.
[0030] Working principle: When the flue gas collection hood 1 for the roasting furnace needs to be used, it is connected to the feed inlet of the roasting furnace. The suction assembly is then activated to collect the flue gas generated by the roasting furnace, thus achieving the collection function. When the collection hood 1 needs to collect flue gas, the pipe 22 is inserted into the hollow rod 21. Under the action of the retaining ring 23 and the annular groove, the hollow rod 21 and the pipe 22 are locked together, thus achieving a sealing effect. Under the action of the rectangular groove 25 and the rectangular block 24, the pipe 22 will not rotate after being inserted into the hollow rod 21. Under the action of the pad block 26, the rectangular block 24 will not be directly inserted into the rectangular groove 25, avoiding... The rigid contact mechanism, under the action of the first spring 28, causes the locking rod 27 to self-lock and insert into the interior of the pipe 22, thus facilitating disassembly. When it is necessary to clean the inside of the collection cover 1, the cleaning ring 32 slides up and down on the surface of the fixing rod 33 to clean the dust from the surface of the filter frame 31. Under the action of the second spring 34, the cleaning ring 32 resets after cleaning the filter frame 31. Under the action of the sleeve rod 35 and the ring, the collection frame 36 can be fixed at the bottom of the filter frame 31 to collect dust. Under the action of the locking rod 37, the collection frame 36 can be fixed at the bottom of the filter frame 31, thus achieving the fixing function and the cleaning function.
Claims
1. A flue gas collection hood for a roasting furnace, comprising a collection hood (1), characterized in that: The collection cover (1) is provided with a disassembly device (2) at its top. The collection cover (1) is provided with an air suction assembly inside. The collection cover (1) is provided with a cleaning device (3) inside. The disassembly device (2) includes a hollow rod (21) fixedly connected to the top of the collection cover (1). A pipe (22) is inserted inside the hollow rod (21). A retaining ring (23) is fixedly connected to the surface of the pipe (22). An annular groove is opened on the inner wall of the hollow rod (21).
2. The flue gas collection hood for a roasting furnace according to claim 1, characterized in that: The hollow rod (21) has a rectangular groove (25) on its inner wall. A rectangular block (24) is fixedly connected to the surface of the pipe (22). The rectangular block (24) is inserted into the interior of the rectangular groove (25). A pad (26) is fixedly connected to one end of the pipe (22).
3. The flue gas collection hood for a roasting furnace according to claim 2, characterized in that: A clamping rod (27) is inserted into the surface of the hollow rod (21), and one end of the clamping rod (27) is inserted into the interior of the pipe (22).
4. The flue gas collection hood for a roasting furnace according to claim 3, characterized in that: The surface of the lever (27) is fitted with a first spring (28), and the two ends of the first spring (28) are fixedly connected to the surface of the hollow rod (21) at one end of the lever (27).
5. The flue gas collection hood for a roasting furnace according to claim 4, characterized in that: The cleaning device (3) includes a filter frame (31) fixedly connected inside the collection cover (1). A fixing rod (33) is fixedly connected inside the collection cover (1). A cleaning ring (32) is slidably connected to the surface of the fixing rod (33). The cleaning ring (32) is in contact with the surface of the filter frame (31).
6. The flue gas collection hood for a roasting furnace according to claim 5, characterized in that: A second spring (34) is fixedly connected to the top of the cleaning ring (32), and the two ends of the second spring (34) are fixedly connected to the inner wall of the collection cover (1) at the top of the cleaning ring (32).
7. The flue gas collection hood for a roasting furnace according to claim 6, characterized in that: A round rod is fixedly connected to the bottom of the filter frame (31), and a sleeve rod (35) is sleeved on the surface of the round rod. A ring is fixedly connected inside the sleeve rod (35), and a collection frame (36) is fixedly connected to one end of the sleeve rod (35).
8. The flue gas collection hood for a roasting furnace according to claim 7, characterized in that: One end of the sleeve rod (35) is provided with a locking rod (37), and one end of the locking rod (37) is inserted into the interior of the round rod.