Easily-cleaned smoke exhaust pipeline device for negative electrode material tunnel kiln
By setting up spraying and sewage discharge devices in the smoke exhaust pipe of the negative electrode material tunnel kiln, rapid flushing of the filter screen and effective cleaning of particulate matter are achieved, solving the problem of troubles in the disassembly and cleaning of the filter screen in the prior art, and reducing maintenance costs and frequency.
Patent Information
- Application Number
- CN202421428374.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-21
AI Technical Summary
In the prior art, particulate matter attached to the flue gas generated by the tunnel kiln of the negative electrode material needs to be intercepted and cleaned through the filter screen. However, the disassembly and cleaning of these filter screens is more troublesome, which increases maintenance costs and frequency.
A smoke exhaust pipe device that is easy to clean is designed, including setting a filter screen on the inner wall of the smoke exhaust pipe, and fixedly connecting the water storage tank and the water storage tank on the side wall of the pipe, spraying cleaning water to flush the filter screen through the spraying device, and the rinsed particulate matter is discharged through the water collection tank and the drain pipe, and flushing is done by opening the sewage screw to reduce residue.
It realizes rapid and efficient flushing of the filter, reduces cleaning frequency and maintenance costs, facilitates operators to perform maintenance and cleaning, and avoids residues on the inner wall of the discharge pipe.
Smart Images

Figure CN222651946U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel kiln smoke exhaust pipes, in particular to an easy-to-clean smoke exhaust pipe device for a tunnel kiln of negative electrode materials. Background Art
[0002] Graphite negative electrode material kiln is a kiln used for firing graphite negative electrode materials, usually used in lithium-ion battery manufacturing. This kiln can convert raw materials into high-purity graphite materials through processes such as high-temperature sintering. It is used to manufacture the negative electrode part of the battery. Graphite negative electrode material kilns usually require precise control systems to ensure the production of high-quality products.
[0003] In the prior art, a large amount of flue gas generated by the negative electrode material tunnel kiln will be discharged through the corresponding smoke exhaust pipe. A lot of particulate matter will be attached to the smoke discharged from the smoke exhaust pipe. These particulate matter needs to be filtered and intercepted to avoid being discharged into the atmosphere. The filter screen inside the pipe is troublesome to disassemble. In order to reduce the number of disassembly and cleaning times, we proposed an easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln. Utility Model Content
[0004] The purpose of the utility model is to provide an easy-to-clean smoke exhaust pipe device for a cathode material tunnel kiln, so as to solve the problems existing in the prior art proposed by the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A smoke exhaust duct device for a negative electrode material tunnel kiln that is easy to clean, comprises a smoke exhaust duct main body, a filter screen is arranged on the inner wall of the smoke exhaust duct main body, a fixing frame is fixedly connected to the side wall of the smoke exhaust duct main body, a water storage tank is arranged on one side of the fixing frame, a water storage tank is arranged on the other side of the fixing frame, an upper end of the water storage tank is fixedly connected with a water inlet pipe, a lower end of the water storage tank is fixedly connected with a spraying device, one end of the water storage tank is fixedly connected with a drain pipe, a side wall of the drain pipe is fixedly connected with a sewage discharge device, the other end of the water storage tank is fixedly connected with a downpipe, and a valve is arranged on the side wall of the downpipe.
[0007] Preferably, the water storage tank and the water storage tank are both connected to a fixing frame via fixing screws, and the fixing frame is an L-shaped bracket.
[0008] Preferably, an inspection opening is provided through the side wall of the smoke exhaust duct body, and an inspection cover is provided at the inspection opening.
[0009] Preferably, the spraying device includes a water outlet pipe fixedly connected to the lower end of a water storage tank, the lower end of the water outlet pipe extends through and extends to the inner side of the smoke exhaust pipe body and is fixedly connected to a spray plate, a plurality of spray holes are arranged through the spray plate, and the plurality of spray holes are all connected to the water outlet pipe, the spray plate faces the filter, a water pump is fixedly connected to the inner wall of the corresponding water storage tank, the output end of the water pump is connected to the water outlet pipe, a water collecting trough is arranged through the inner wall of the smoke exhaust pipe body at the corresponding position, and the water collecting trough is located at the junction of the drain pipe and the smoke exhaust pipe body.
[0010] Preferably, the sewage discharge device comprises a sewage discharge pipe fixedly connected to the side wall of the drain pipe, and a sewage discharge screw is threadedly connected to the sewage discharge pipe.
[0011] Preferably, an inclined plate is provided on one side of the filter screen close to the spray plate, and the inclined plate is located at the lowermost end of the filter screen.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In the utility model, a spraying device is arranged to cooperate with a sewage discharge device, and a spray plate that can spray clean water is arranged at the front side of the filter in the smoke exhaust duct. The clean water sprayed by the spray plate can flush the filter, and the flushing water can be discharged to the discharge pipe through the water collection tank below, and finally enter the water storage tank to wait to be discharged. The particulate matter accumulated in the discharge pipe can be flushed by opening the sewage discharge screw, which is convenient for reducing the residue on the inner wall of the discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a structural schematic diagram of an easy-to-clean smoke exhaust pipe device for a cathode material tunnel kiln proposed by the utility model;
[0015] Figure 2 This is a schematic diagram of the interior of a smoke exhaust pipe main body of an easy-to-clean smoke exhaust pipe device for a cathode material tunnel kiln proposed by the utility model.
[0016] In the figure: 1 exhaust duct body, 2 fixing frame, 3 water storage tank, 4 water inlet pipe, 5 fixing screws, 6 water outlet pipe, 7 inspection cover, 8 drain pipe, 9 sewage pipe, 10 sewage screws, 11 water storage tank, 12 downpipe, 13 spray plate, 14 filter screen, 15 inclined plate, 16 water collecting tank. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0018] Reference Figure 1-2A smoke exhaust duct device for a negative electrode material tunnel kiln that is easy to clean includes a smoke exhaust duct body 1, a filter screen 14 is arranged on the inner wall of the smoke exhaust duct body 1, a fixing frame 2 is fixedly connected to the side wall of the smoke exhaust duct body 1, a water storage tank 3 is arranged on one side of the fixing frame 2, and a water storage tank 11 is arranged on the other side of the fixing frame 2. The water storage tank 3 and the water storage tank 11 are both connected to the fixing frame 2 by fixing screws 5, and the fixing frame 2 is an L-shaped bracket.
[0019] Among them, the upper end of the water tank 3 is fixedly connected with a water inlet pipe 4, and the lower end of the water tank 3 is fixedly connected with a spraying device, the spraying device includes a water outlet pipe 6 fixedly connected to the lower end of the water tank 3, the lower end of the water outlet pipe 6 extends through and extends to the inner side of the smoke exhaust pipe main body 1 and is fixedly connected with a spray plate 13, a plurality of spray holes are penetrated at the spray plate 13, and the plurality of spray holes are connected with the water outlet pipe 6, the spray plate 13 faces the filter 14, and a water pump is fixedly connected to the inner wall of the corresponding water tank 3, and the output end of the water pump is connected with the water outlet pipe 6, and a water collecting trough 16 is penetrated at the inner wall of the smoke exhaust pipe main body 1 at the corresponding position, and the water collecting trough 16 is located at the junction of the drain pipe 8 and the smoke exhaust pipe main body 1, and the gap between the water collecting trough 16 and the filter 14 can be ignored, and it is only a gap for water to pass through.
[0020] Specifically, one end of the water storage tank 11 is fixedly connected to a drain pipe 8, and the side wall of the drain pipe 8 is fixedly connected to a sewage discharge device. The sewage discharge device includes a sewage pipe 9 fixedly connected to the side wall of the drain pipe 8, and the sewage pipe 9 is threadedly connected with a sewage discharge screw 10. The other end of the water storage tank 11 is fixedly connected to a sewer pipe 12, and a valve is provided on the side wall of the sewer pipe 12.
[0021] It is worth mentioning that an inspection opening is provided through the side wall of the smoke exhaust duct body 1 , and an inspection cover 7 is provided at the inspection opening.
[0022] Specifically, an inclined plate 15 is provided on one side of the filter screen 14 close to the spray plate 13 . The inclined plate 15 is located at the lowermost end of the filter screen 14 . The inclined plate 15 can be used for diversion to reduce sewage accumulation.
[0023] In the utility model, the operator can start the corresponding water pump through the controller in the prior art, and discharge clean water through the corresponding water outlet pipe 6 and the spray plate 13, so as to directly flush the filter 14. The flushed particles are mixed with the water flow and discharged into the drainage pipe 8 below through the water collection tank 16, and finally gathered in the water storage tank 11, and finally discharged through the sewer pipe 12 by opening the valve.
[0024] The spray plate 13 can be cleaned and replaced directly by opening the inspection cover 7 , and the pipe wall of the drain pipe 8 can be directly flushed by unscrewing the drain screw 10 to prevent the drain pipe 8 from being blocked by residues.
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An easy-to-clean smoke exhaust pipe device for a cathode material tunnel kiln, comprising a smoke exhaust pipe body (1), characterized in that: A filter (14) is provided on the inner wall of the smoke exhaust duct body (1); a fixing frame (2) is fixedly connected to the side wall of the smoke exhaust duct body (1); a water storage tank (3) is provided on one side of the fixing frame (2); a water storage tank (11) is provided on the other side of the fixing frame (2); a water inlet pipe (4) is fixedly connected to the upper end of the water storage tank (3); a spraying device is fixedly connected to the lower end of the water storage tank (3); a drainage pipe (8) is fixedly connected to one end of the water storage tank (11); a sewage discharge device is fixedly connected to the side wall of the drainage pipe (8); a downpipe (12) is fixedly connected to the other end of the water storage tank (11); a valve is provided on the side wall of the downpipe (12).
2. The easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln according to claim 1, characterized in that: The water storage tank (3) and the water reservoir tank (11) are both connected to a fixing frame (2) via fixing screws (5), and the fixing frame (2) is an L-shaped bracket.
3. The easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln according to claim 1, characterized in that: An inspection opening is provided through the side wall of the smoke exhaust duct body (1), and an inspection cover (7) is provided at the inspection opening.
4. The easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln according to claim 1, characterized in that: The spraying device comprises a water outlet pipe (6) fixedly connected to the lower end of the water storage tank (3); the lower end of the water outlet pipe (6) extends through the inner side of the smoke exhaust pipe body (1) and is fixedly connected to a spray plate (13); a plurality of spray holes are arranged through the spray plate (13); the plurality of spray holes are connected to the water outlet pipe (6); the spray plate (13) faces the filter screen (14); a water pump is fixedly connected to the inner wall of the corresponding water storage tank (3); the output end of the water pump is connected to the water outlet pipe (6); a water collecting trough (16) is arranged through the inner wall of the smoke exhaust pipe body (1) at a corresponding position; the water collecting trough (16) is located at the junction of the drain pipe (8) and the smoke exhaust pipe body (1).
5. The easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln according to claim 1, characterized in that: The sewage discharge device comprises a sewage discharge pipe (9) fixedly connected to the side wall of the drainage pipe (8), and a sewage discharge screw (10) is threadedly connected to the sewage discharge pipe (9).
6. The easy-to-clean smoke exhaust pipe device for the negative electrode material tunnel kiln according to claim 1, characterized in that: A sloping plate (15) is provided on one side of the filter screen (14) close to the spray plate (13), and the sloping plate (15) is located at the lowermost end of the filter screen (14).