Noise reduction structure at joint of three-way pipeline
By installing baffles and support frames at the joints of the tee pipes and placing sponge sound-absorbing pads between the support rings, the noise and shaking problems caused by airflow impact in the tee pipes were solved, achieving noise reduction and energy retention.
Patent Information
- Application Number
- CN202520381788.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During use, existing T-junction pipes can cause high noise and gas energy loss when airflows converge, and the T-junction pipes can also shake due to airflow impact.
Install baffles at the T-junction pipe joints and connect the support ring and the mounting ring with a support frame. Place a sponge sound-absorbing pad between the support frames to form a buffer and reduce airflow impact and shaking.
It effectively reduces noise generation in T-junction pipes, reduces gas energy loss, and improves the stability of gas flow.
Smart Images
Figure CN223609655U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the three -way pipeline field, concretely relates to three -way pipeline node place noise reduction structure. BACKGROUND
[0002] In the industrial waste gas treatment system needing to carry out gas delivery, often need to use the air suspension centrifugal fan with high efficiency, energy saving, low noise etc., and the double -headed fan with two export outward gas supply is widely used because of the advantage of large air volume, in order to realize export combination, often need to install three -way pipeline on the fan.
[0003] At present, the existing three -way pipeline in the use process, the airflow of two stages comes and collides, causes high noise, initial temperature is high, and the gas energy has greater loss in the impact.
[0004] Therefore, in view of the above existing three -way pipeline connected air suspension centrifugal fan when using, the airflow of two stages comes and often collides and causes three -way pipeline to shake, three -way pipeline can be designed three -way pipeline node place noise reduction structure, the existing three -way pipeline is improved, and the original fixed mode is changed to support frame fixation, and a No. One sponge sound absorption pad is installed in the support frame, and a buffer is formed between the support frame and the three -way pipeline, so that the three -way pipeline is prevented from shaking due to air cylinder impact, and noise generation is reduced. UTILITY MODEL CONTENTS
[0005] In order to overcome the problem that the existing three -way pipeline often shakes due to airflow impact when in use, and high noise is generated during the shaking process.
[0006] The technical scheme of the utility model is: three -way pipeline node place noise reduction structure, including a herringbone three -way pipeline, further including a No. One sponge sound absorption pad, a No. One support ring and a No. One clamping ring, two air inlets are formed in the herringbone three -way pipeline, one air outlet is formed in the herringbone three -way pipeline, an exhaust pipe is arranged at the front end of the air outlet, a No. One connecting pipe is fixedly connected to the rear side of the exhaust pipe and inserted into the air outlet, a partition is fixedly connected in the herringbone three -way pipeline, the No. One connecting pipe is arranged on the front side of the partition, the exhaust pipe and the herringbone three -way pipeline are sleeved with a No. One sponge sound absorption pad, a No. One support ring is arranged on the lower side of the No. One sponge sound absorption pad, a No. One clamping ring is installed on the upper side of the No. One support ring and arranged on the outer side of the No. One sponge sound absorption pad.
[0007] Preferably, by adding a partition plate between the existing tee pipe, and changing the original direct connection mode to a support frame connected by a first supporting ring and a first mounting ring, a sponge sound-absorbing pad is placed between the first supporting ring and the first mounting ring, the sponge sound-absorbing pad has a porous structure and can absorb noise, and the sponge sound-absorbing pad is soft and can fill gaps to form a buffer between the first supporting ring and the herringbone tee pipe and between the first mounting ring and the herringbone tee pipe, so that the herringbone tee pipe is prevented from shaking due to the impact of gas and noise generation is reduced.
[0008] Preferably, the top end of the first supporting ring is fixedly connected with left and right first mounting blocks, and the bottom end of the first clamping ring is fixedly connected with left and right second mounting blocks.
[0009] Preferably, holes are formed in the first mounting blocks and the second mounting blocks, and fixing bolts are inserted into the holes, and nuts are threadedly connected to the outside of the fixing bolts and tightly abut the top end of the second mounting block.
[0010] Preferably, first anti-collision rubber pads are fixedly connected to the left and right sides of the partition plate, and second anti-collision rubber pads are attached to the rear side of the first connecting pipe.
[0011] Preferably, a second connecting pipe fixedly connected with the air suspension centrifugal fan outlet pipe is inserted into the gas inlet.
[0012] Preferably, a second sponge sound-absorbing pad is sleeved to the outside of the herringbone tee pipe, and a second supporting ring tightly abutting the second sponge sound-absorbing pad is arranged below the second sponge sound-absorbing pad.
[0013] Preferably, a second clamping ring tightly abutting the top end of the second supporting ring is arranged above the second sponge sound-absorbing pad.
[0014] The beneficial effects of the present application are as follows:
[0015] Preferably, by adding a partition plate between the existing tee pipe, and changing the original direct connection mode to a support frame connected by a first supporting ring and a first mounting ring, a sponge sound-absorbing pad is placed between the first supporting ring and the first mounting ring, the sponge sound-absorbing pad has a porous structure and can absorb noise, and the sponge sound-absorbing pad is soft and can fill gaps to form a buffer between the first supporting ring and the herringbone tee pipe and between the first mounting ring and the herringbone tee pipe, so that the herringbone tee pipe is prevented from shaking due to the impact of gas and noise generation is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The first three-dimensional structure schematic diagram of the noise reduction structure at the tee pipe node is shown.
[0017] Figure 2 A three-dimensional structure schematic view of a number one sponge sound absorbing pad of the noise reduction structure at the three-way pipeline node is shown;
[0018] Figure 3 A three-dimensional structure schematic view of the inside of the herringbone three-way pipeline of the noise reduction structure at the three-way pipeline node is shown;
[0019] Figure 4 A three-dimensional structure schematic view of the herringbone three-way pipeline of the noise reduction structure at the three-way pipeline node is shown;
[0020] Figure 5 A three-dimensional structure schematic view of a number one connecting pipe of the noise reduction structure at the three-way pipeline node is shown;
[0021] Figure 6 A second three-dimensional structure schematic view of the noise reduction structure at the three-way pipeline node is shown.
[0022] Marked with the following reference numerals: 1, herringbone three-way pipeline; 2, number one sponge sound absorbing pad; 3, number one supporting ring; 4, number one clamping ring; 5, air inlet; 6, air outlet; 7, number one connecting pipe; 8, partition plate; 9, number one mounting block; 10, number two mounting block; 11, number one anti-collision rubber pad; 12, number two anti-collision rubber pad; 13, number two connecting pipe; 14, number two sponge sound absorbing pad; 15, number two supporting ring; 16, number two clamping ring. DETAILED DESCRIPTION
[0023] The utility model will be further explained in combination with the drawings and examples.
[0024] Please refer to Figures 1-6The utility model provides a kind of embodiment: three-way pipeline node place noise reduction structure, including herringbone three-way pipeline 1;Still include one No. Sponge sound-absorbing pad 2, No. Support ring 3 and No. Clamping ring 4, herringbone three-way pipeline 1 is equipped with two air inlets 5, herringbone three-way pipeline 1 is equipped with one air outlet 6, air outlet 6 front end is provided with exhaust pipe, exhaust pipe rear side is fixedly connected with the No. Connection pipe 7 inserted in air outlet 6, herringbone three-way pipeline 1 is fixedly connected with baffle 8, No. Connection pipe 7 is arranged in baffle 8 front side, exhaust pipe is sleeved with No. Sponge sound-absorbing pad 2 outside herringbone three-way pipeline 1, No. Sponge sound-absorbing pad 2 lower side is provided with No. Support ring 3, No. Support ring 3 top is installed with No. Clamping ring 4 being arranged in No. Sponge sound-absorbing pad 2 outside, by adding baffle 8 between existing three-way pipeline, and the connecting mode of being directly connected originally is changed into the support frame connected by No. Support ring 3 and No. Mounting ring, sponge sound-absorbing pad is placed between No. Support ring 3 and No. Mounting ring, sponge sound-absorbing pad is porous structure, can absorb noise, while sponge sound-absorbing pad is soft, can fill gap, form buffer between No. Support ring 3 and herringbone three-way pipeline 1 and No. Mounting ring and herringbone three-way pipeline 1, avoid herringbone three-way pipeline 1 from shaking due to gas impact, reduce the generation of noise, baffle 8 can reduce the number of gas collision in herringbone three-way pipeline 1, guarantee the energy of gas.
[0025] Please refer to Figures 1-5 In the embodiment, No. Support ring 3 top end is fixedly connected with left and right opposite No. Mounting block 9, No. Clamping ring 4 bottom end is fixedly connected with left and right opposite No. Mounting block 10, No. Mounting ring is close to No. Mounting block 9, from two directions of top and bottom, herringbone three-way pipeline 1 and exhaust pipe are clamped and fixed, avoid its deviation, hole groove is equipped on No. Mounting block 9 and No. Mounting block 10, hole groove is inserted with fixed bolt, fixed bolt outside is threadedly connected with nut, the top end of No. Mounting block 10 is tightly attached to the nut, and the nut is tightly screwed to fix No. Support ring 3 and No. Mounting ring together, baffle 8 left and right sides are fixedly connected with No. Anti-collision rubber pad 11, No. Connection pipe 7 rear side is bonded with No. Anti-collision rubber pad 12, No. Anti-collision rubber pad 11 and No. Anti-collision rubber pad 12 can form buffer between gas and pipeline, reduce the noise generated by gas and pipeline inner wall collision.
[0026] Please refer to Figure 1 And Figure 6In the embodiment, the air inlet 5 is inserted with the second connecting pipe 13 fixedly connected with the air outlet pipe of the air suspension centrifugal fan, the air discharged by the air suspension centrifugal fan enters the herringbone three-way pipe 1 through the second connecting pipe 13, the herringbone three-way pipe 1 is sleeved with the second sponge sound-absorbing pad 14 on the outside, the second sponge sound-absorbing pad 14 is provided below with the second supporting ring 15 which is tightly attached to the inside of the second sponge sound-absorbing pad 14, the second sponge sound-absorbing pad 14 can absorb the noise generated when the gas flows in the pipe, the second sponge sound-absorbing pad 14 is provided above with the second clamping ring 16 which is tightly attached to the top end of the second supporting ring 15, and the second connecting pipe 13 and the herringbone three-way pipe 1 are connected together through the second clamping ring 16 and the second supporting ring 15.
[0027] In operation, first, the staff member sleeves the second sponge sound-absorbing pad 14 on the outside of the pipe at the air inlet position of the herringbone three-way pipe 1, then inserts the second connecting pipe 13 into the herringbone three-way pipe 1, then tightly attaches the second supporting ring 15 to the bottom end of the second sponge sound-absorbing pad 14, tightly attaches the second mounting ring to the second sponge sound-absorbing pad 14, and then connects and fixes through the bolts.
[0028] Sleeves the first sponge sound-absorbing pad 2 on the outside of the exhaust pipe, then inserts the first connecting pipe 7 fixedly connected to the exhaust pipe into the inside of the herringbone three-way pipe 1, moves the first sponge sound-absorbing pad 2 to the position where the exhaust pipe is connected to the herringbone three-way pipe 1, then tightly attaches the first supporting ring 3 to the first sponge sound-absorbing pad 2, tightly attaches the first mounting ring to the first sponge sound-absorbing pad 2, tightly attaches the first mounting block 9 to the second mounting block 10, inserts the fixing bolts into the holes and grooves formed in the first mounting block 9 and the second mounting block 10 from below, and then tightens the nuts to fix.
[0029] The air generated by the air suspension centrifugal fan enters the herringbone three-way pipe 1 through the air inlet, the baffle 8 can avoid the mutual collision of the gases on both sides, the first anti-collision rubber pad 11 can reduce the impact and noise caused by the collision of the gases on the baffle 8, then enters the exhaust pipe from the air outlet along the herringbone pipe, the first sponge sound-absorbing pad 2 and the second sponge sound-absorbing pad 14 are of a porous structure and can absorb noise, and the sponge sound-absorbing pad is soft in texture, can fill the gaps, reduce the shaking of the pipe caused by impact, and reduce the generation of noise.
[0030] Through the above steps, the existing tee pipeline is added with a partition plate 8, and the original direct connection mode is changed to connection through a support frame formed by a first support ring 3 and a first mounting ring. A sponge sound-absorbing pad is placed between the first support ring 3 and the first mounting ring. The sponge sound-absorbing pad has a porous structure and can absorb noise. Meanwhile, the sponge sound-absorbing pad has soft texture and can fill gaps to form a buffer between the first support ring 3 and the herringbone tee pipe 1 and between the first mounting ring and the herringbone tee pipe 1, so as to avoid the herringbone tee pipe 1 from shaking due to the impact of gas and reduce the generation of noise, thereby solving the problem that the existing tee pipe often shakes due to airflow impact during use, and high noise is generated during the shaking of the tee pipe.
Claims
1. A noise reduction structure at a tee pipe node, comprising a tee pipe (1) with a herringbone shape; characterized in that: It also includes a sponge sound absorbing pad (2), a supporting ring (3) and a clamping ring (4), the herringbone tee pipe (1) is provided with two air inlets (5), the herringbone tee pipe (1) is provided with an air outlet (6), the air outlet (6) is provided with an exhaust pipe, the exhaust pipe is fixedly connected with a connecting pipe (7) inserted into the air outlet (6), the herringbone tee pipe (1) is fixedly connected with a partition (8), the connecting pipe (7) is arranged in front of the partition (8), the exhaust pipe and the herringbone tee pipe (1) are sleeved with a sponge sound absorbing pad (2), the sponge sound absorbing pad (2) is provided with a supporting ring (3), the supporting ring (3) is provided with a clamping ring (4) arranged outside the sponge sound absorbing pad (2).
2. The noise reduction structure at a tee pipe node of claim 1, wherein: The top end of the supporting ring (3) is fixedly connected with left and right opposing mounting blocks (9), and the bottom end of the clamping ring (4) is fixedly connected with left and right opposing second mounting blocks (10).
3. The noise reduction structure at a tee pipe node of claim 2, wherein: The mounting blocks (9) and the second mounting blocks (10) are provided with holes, the holes are inserted with fixing bolts, and the fixing bolts are threadedly connected with nuts abutting against the top end of the second mounting blocks (10).
4. The noise reduction structure at a tee pipe node of claim 1, wherein: The left and right sides of the partition (8) are fixedly connected with a first anti-collision rubber pad (11), and the rear side of the connecting pipe (7) is bonded with a second anti-collision rubber pad (12).
5. The noise reduction structure at a tee pipe node of claim 1, wherein: The air inlet (5) is inserted with a second connecting pipe (13) fixedly connected with an air suspension centrifugal fan outlet pipe.
6. The noise reduction structure at a tee pipe node of claim 5, wherein: The herringbone tee pipe (1) is sleeved with a second sponge sound absorbing pad (14), and the second sponge sound absorbing pad (14) is provided with a second supporting ring (15) abutting against the inside of the second sponge sound absorbing pad (14).
7. The noise reduction structure at a tee pipe node of claim 6, wherein: The second sponge sound absorbing pad (14) is provided with a second clamping ring (16) abutting against the top end of the second supporting ring (15).