Sintering furnace exhaust pipe with noise reduction function
By introducing a flow stabilizer, a drain pipe, and a cleaning component into the sintering furnace exhaust pipe, the problems of exhaust pipe blockage and water accumulation were solved, achieving automatic cleaning and noise reduction functions, and improving production efficiency and equipment reliability.
Patent Information
- Application Number
- CN202423093805.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional sintering furnace exhaust pipes are prone to blockage and water accumulation during the silencing process, making cleaning inconvenient and affecting production efficiency.
An exhaust pipe was designed that includes an intake pipe, a muffler pipe, an exhaust pipe, a flow stabilizer, a drain pipe, a cleaning component, and a drainage component. The cleaning block is automatically cleared of blockages by a motor-driven cleaning block, and the accumulated water is discharged through the drain pipe. The noise is reduced by combining sound-absorbing cotton and a diffuser frame.
It enables quick clearing of blockages and drainage without disassembling the device, ensuring continuous and efficient operation, simplifying the operation process, and reducing noise pollution.
Smart Images
Figure CN223564778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sintering furnace exhaust pipe especially to a sintering furnace exhaust pipe with noise reduction function. BACKGROUND
[0002] The parts in the sintering furnace need to be emptied of the high-pressure argon gas in the furnace before each time of discharging, so that the gas pressure in the furnace is consistent with the atmospheric pressure. However, during the exhaust process, the high-pressure argon gas rubs against the air near the pipe opening, which produces a sharp noise of up to 150 decibels or more. In order to reduce the noise pollution during exhaust, a silencing component is usually installed in the exhaust pipe.
[0003] The traditional silencing method is generally to set a silencing component inside the exhaust pipe, which uses sound-absorbing materials to absorb sound wave energy. When the sound wave passes through, its energy is converted into heat energy and consumed. However, during long-term use, the inside of the pipe may be blocked due to the deposition of particulate matter. In addition, the porous material used under high-temperature conditions may form water vapor due to condensation when the temperature drops suddenly, causing water accumulation in the pipe. If this water stays for a long time, it may corrode the pipe wall. When cleaning, the exhaust pipe usually needs to be removed or inclined so that the liquid flows to the lowest point for centralized collection or discharge. Such an operation method not only consumes time and effort, but also may cause the equipment downtime to be extended, affecting production efficiency. SUMMARY
[0004] In order to overcome the disadvantage that the traditional silencing component is not convenient to clean when it is blocked or water accumulates, the technical problem is to provide a sintering furnace exhaust pipe with noise reduction function.
[0005] The technical scheme is as follows: a sintering furnace exhaust pipe with noise reduction function, comprising an air inlet pipe, a silencing pipe, an air outlet pipe, a flow stabilizing disc, a liquid discharge pipe, a cleaning component and a drainage component, the silencing pipe is installed at the right end of the air inlet pipe, the air outlet pipe is installed at the right end of the silencing pipe, the flow stabilizing disc is symmetrically connected in the silencing pipe, a plurality of exhaust holes are uniformly and interval ly provided on the flow stabilizing disc, the exhaust holes are conical, the liquid discharge pipe is connected in the middle of the bottom of the silencing pipe, the drainage component is arranged on the liquid discharge pipe, and the cleaning component is arranged on the flow stabilizing disc.
[0006] As a preferred, the cleaning component comprises a motor and a cleaning block, the motor is installed in the middle of the flow stabilizing disc, the motor is a double-shaft motor, the output shafts on both sides of the motor pass through the flow stabilizing disc and are connected with the cleaning block, and the cleaning block is close to the side wall of the flow stabilizing disc.
[0007] As a preferred, the drainage component comprises a filter screen, a first valve, a second valve and a pressure gauge, the filter screen is connected to the upper side in the liquid discharge pipe, the first valve is installed on the upper side in the liquid discharge pipe, the second valve is installed on the lower side in the liquid discharge pipe, and the pressure gauge is installed on the right middle of the liquid discharge pipe, and the detection head of the pressure gauge is inserted into the inside of the liquid discharge pipe.
[0008] As preferred, it further comprises a mounting frame, a dust removal net and first bolt nuts, the mounting frame is mounted on the right side of the air inlet pipe through two first bolt nuts in front and back, and the dust removal net is connected to the mounting frame and located at the right end inside the air inlet pipe.
[0009] As preferred, it further comprises second bolt nuts and a diffusion frame, the diffusion frame is mounted on the right end of the air outlet pipe through two second bolt nuts in front and back.
[0010] As preferred, it further comprises soundproof cotton, the soundproof cotton for eliminating noise is sleeved outside the soundproof pipe.
[0011] Compared with the prior art, the sintering furnace exhaust pipe with noise reduction function has the following advantages: 1. By arranging the drain pipe, the accumulated water in the soundproof pipe can be directly drained from the drain pipe, without the need to disassemble the device or to tilt the sintering furnace for drainage, thereby simplifying the operation process and providing convenience for the operator;
[0012] 2. By arranging the motor to drive the cleaning block to rotate, the impurities on the side wall of the flow stabilizing disc can be automatically cleaned, the exhaust hole is effectively prevented from being blocked, and the continuous and efficient operation of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0014] Figure 2 It is a first partial cross-sectional view of the utility model.
[0015] Figure 3 It is a second partial cross-sectional view of the utility model.
[0016] Figure 4 It is a partial three-dimensional structure schematic view of the utility model.
[0017] Reference signs: 1_air inlet pipe, 2_soundproof pipe, 3_air outlet pipe, 4_soundproof cotton, 5_mounting frame, 6_dust removal net, 7_first bolt nut, 8_drain pipe, 9_filtering screen, 10_first valve, 11_second valve, 12_pressure gauge, 13_flow stabilizing disc, 131_exhaust hole, 14_motor, 15_cleaning block, 16_second bolt nut, 17_diffusion frame. DETAILED DESCRIPTION
[0018] The utility model will be further explained in combination with the drawings and specific embodiments.
[0019] Embodiment: a sintering furnace exhaust pipe with noise reduction function, like Figures 1-3As shown, including the intake pipe 1, muffler 2, exhaust pipe 3, muffling cotton 4, steady flow disc 13, drain pipe 8, cleaning assembly and drainage assembly, the intake pipe 1 right end is connected with muffler 2 through flange, the muffler 2 right end is connected with exhaust pipe 3 through flange, the muffler 2 outside is sleeved with muffling cotton 4 for eliminating noise, the muffler 2 inside is connected with steady flow disc 13 left and right symmetrically, a plurality of exhaust holes 131 are uniformly and spaced apart on the steady flow disc 13, the exhaust holes 131 are conical, the exhaust holes 131 on both sides of the steady flow disc 13 are mirror image arranged, one side close to each other is wide diameter, one side far away from each other is narrow diameter, the muffler 2 bottom middle is connected with drain pipe 8, the drain pipe 8 is provided with drainage assembly, the steady flow disc 13 is provided with cleaning assembly.
[0020] As shown in Figures 2-3 , the cleaning assembly includes motor 14 and cleaning block 15, the steady flow disc 13 is installed with motor 14 in the middle through screw, the motor 14 is double shaft motor, the output shaft of the motor 14 on both sides penetrates the steady flow disc 13 and is connected with cleaning block 15 for cleaning blocked impurities, the cleaning block 15 is close to the side wall of the steady flow disc 13.
[0021] As shown in Figures 1-2 , the drainage assembly includes filter screen 9, first valve 10, second valve 11 and pressure gauge 12, the drain pipe 8 is connected with filter screen 9 inside up for filtering accumulated water, the drain pipe 8 is installed with first valve 10 inside up, the drain pipe 8 is installed with second valve 11 inside down, the drain pipe 8 right side middle part is installed with pressure gauge 12 for detecting water pressure of accumulated water, the detection head of the pressure gauge 12 is inserted into the inside of the drain pipe 8.
[0022] As shown in Figures 1-2 , it also includes mounting bracket 5, dust removal net 6 and first bolt nut 7, the mounting bracket 5 is installed on the right side of the intake pipe 1 through the front and rear two first bolt nuts 7, the mounting bracket 5 is connected with dust removal net 6 for filtering gas dust, the dust removal net 6 is located inside the right end of the intake pipe 1.
[0023] As shown in Figure 1 and Figure 4 , it also includes second bolt nut 16 and diffusion frame 17, the exhaust pipe 3 right end is installed with diffusion frame 17 for expanding exhaust port channel through the front and rear two second bolt nuts 16.
[0024] The device is installed on the exhaust pipe of the sintering furnace. When the sintering furnace is exhausted, the gas first enters the air inlet pipe 1 through the exhaust pipe, then enters the sound attenuation pipe 2 for sound attenuation treatment, and finally is discharged from the air outlet pipe 3 and the diffusion frame 17. The gas is filtered by the dust removal net 6 before entering the sound attenuation pipe 2, and the filtered gas passes through the two side flow stabilizing discs 13. When the sound passes through the flow stabilizing disc 13, the sound wave is blocked by the flow stabilizing disc 13 and is continuously reflected and refracted in the sound attenuation pipe 2, thereby canceling part of the sound wave and achieving the effect of noise reduction. When the sound-attenuated gas is discharged through the air outlet pipe 3, the diffusion frame 17 can enlarge the cross-sectional area of the exhaust port, so that the gas gradually diffuses when leaving the exhaust pipe instead of being concentrated and sprayed out, which can reduce the speed and kinetic energy of the gas and thereby reduce the spraying noise. During long-term use, the exhaust gas contains a lot of dust or other particulate matter, which may block the exhaust holes 131. At this time, the motor 14 can be started, the output shaft of the motor 14 rotates to drive the cleaning block 15 to rotate, and the two side walls of the flow stabilizing disc 13 are cleaned by the cleaning block 15 to scrape off the substances blocking the exhaust holes 131, thereby achieving the purpose of cleaning. After cleaning, the motor 14 is turned off. When the high-temperature gas passes through the inside of the sound attenuation pipe 2, condensate water may be formed due to cooling. The water droplets may accumulate in the pores. Therefore, the exhaust holes 131 are designed in a tapered shape, so that the water droplets can flow to the inside of the sound attenuation pipe 2 through the inclined surface, and then accumulate between the two flow stabilizing discs 13. The accumulated water passes through the filter screen 9 into the drain pipe 8. The first valve 10 in the drain pipe 8 is in an open state, allowing the accumulated water to flow into the drain pipe 8 channel between the first valve 10 and the second valve 11. The pressure gauge 12 detects the water pressure of the accumulated water to understand the amount of accumulated water. When it is necessary to clean the accumulated water, the first valve 10 is first closed, and then the second valve 11 is opened, so that the accumulated water is discharged through the drain pipe 8. After discharge, the second valve 11 is closed and the first valve 10 is reopened. Finally, if it is necessary to clean the inside of the sound attenuation pipe 2, the device can be detached from the exhaust pipe, and the air inlet pipe 1, the sound attenuation pipe 2 and the air outlet pipe 3 can be separately detached and cleaned. At the same time, the dust removal net 6 and the mounting frame 5 can also be detached and cleaned by the first bolt and nut 7.
[0025] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application should be covered within the protection scope of the present application.
Claims
1. A sintering furnace exhaust pipe with noise reduction function, characterized in that, It includes an air inlet pipe (1), a muffler pipe (2), an air outlet pipe (3), a flow stabilizer plate (13), a drain pipe (8), a cleaning component, and a drainage component. The muffler pipe (2) is installed at the right end of the air inlet pipe (1), and the air outlet pipe (3) is installed at the right end of the muffler pipe (2). The flow stabilizer plate (13) is symmetrically connected inside the muffler pipe (2). Multiple exhaust holes (131) are evenly spaced on the flow stabilizer plate (13). The exhaust holes (131) are conical. The drain pipe (8) is connected to the middle of the bottom of the muffler pipe (2). The drain pipe (8) is equipped with a drainage component. The flow stabilizer plate (13) is equipped with a cleaning component.
2. The sintering furnace exhaust pipe with noise reduction function according to claim 1, characterized in that, The cleaning component includes a motor (14) and a cleaning block (15). The motor (14) is installed in the middle of the flow stabilizer (13). The motor (14) is a dual-shaft motor. The output shafts on both sides of the motor (14) pass through the flow stabilizer (13) and are connected to the cleaning block (15). The cleaning block (15) is close to the side wall of the flow stabilizer (13).
3. The sintering furnace exhaust pipe with noise reduction function according to claim 2, characterized in that, The drainage assembly includes a filter screen (9), a first valve (10), a second valve (11), and a pressure gauge (12). The filter screen (9) is connected to the upper side of the drain pipe (8), the first valve (10) is installed on the upper side of the drain pipe (8), the second valve (11) is installed on the lower side of the drain pipe (8), and the pressure gauge (12) is installed in the middle of the right side of the drain pipe (8). The detection head of the pressure gauge (12) is inserted into the drain pipe (8).
4. A sintering furnace exhaust pipe with noise reduction function according to claim 3, characterized in that, It also includes a mounting bracket (5), a dust removal net (6) and a first bolt and nut (7). The mounting bracket (5) is installed on the right side of the air intake pipe (1) through the two first bolts and nuts (7) at the front and back. The dust removal net (6) is connected to the mounting bracket (5) and is located at the right end inside the air intake pipe (1).
5. A sintering furnace exhaust pipe with noise reduction function according to claim 4, characterized in that, It also includes a second bolt nut (16) and a diffuser frame (17). The diffuser frame (17) is installed on the right end of the air outlet pipe (3) through two second bolt nuts (16) at the front and back.
6. A sintering furnace exhaust pipe with noise reduction function according to claim 5, characterized in that, It also includes sound-absorbing cotton (4), and the outside of the sound-absorbing tube (2) is fitted with sound-absorbing cotton (4) for eliminating noise.