Three-stage silencing air suspension blower emptying silencing box structure

Abstract

The utility model relates to the field of air suspension blowers, in particular to a three-stage silencing emptying silencing box structure of an air suspension blower, which comprises a silencing box body, a first-stage silencing box, a second-stage silencing box and a third-stage silencing plate, the first-stage silencing box is connected to the inner bottom side of the silencing box body, and the second-stage silencing box is connected to the inner bottom side of the silencing box body. A plurality of small holes are formed in the outer surface of the primary silencing box, a secondary silencing box is arranged at the upper end of the primary silencing box, the secondary silencing box is connected with the silencing box body, and a plurality of middle holes are formed in the outer surface of the secondary silencing box; gas enters the silencing box body through the air inlet and then passes through the first-stage silencing box, the second-stage silencing box and the third-stage silencing plate, so that the gas is decelerated to achieve silencing, and the problem that a silencer is usually additionally arranged at the tail of an emptying pipe of an existing emptying silencing box of the air suspension blower, although a certain noise reduction effect can be achieved, the silencing effect is poor is solved. By means of the mode, the problems that extra cost is increased, and the actual silencing effect is not ideal are solved.

Description

Technical Field

[0001] The utility model relates to the field of air suspension blowers, in particular to a three-stage silencer venting silencer box structure for air suspension blowers. Background Art

[0002] As a new generation of air supply and pressure fans in industries such as sewage treatment, aquaculture, and papermaking, air-floating fans have advantages that traditional fans do not have, such as energy saving, stability, and low noise. Due to the centrifugal structure, air-floating fans are prone to surge when the outlet pressure is too high and the flow rate is too small. Therefore, most of them adopt the design of adding an air venting system during structural design.

[0003] Existing air suspension blower exhaust silencer boxes usually add a silencer at the end of the exhaust pipe. Although this can achieve a certain noise reduction effect, it not only increases the extra cost, but also makes the installation process more complicated and the actual silencer effect is not ideal.

[0004] Therefore, for the above-mentioned existing air suspension blower vent silencer box, a silencer is usually added at the tail end of the vent pipe. Although it can play a certain role in noise reduction, this method not only increases the additional cost, but also the installation process is relatively cumbersome, and the actual silencer effect is not ideal. A three-level silencer air suspension blower vent silencer box structure can be designed, and the silencer can be achieved by setting up a three-layer silencer box by slowing down the gas. Utility Model Content

[0005] In order to overcome the existing air suspension blower exhaust silencer, a silencer is usually added to the tail of the exhaust pipe. Although it can play a certain role in noise reduction, this method increases additional costs and the actual silencer effect is not ideal.

[0006] The technical solution of the utility model is: a three-stage silencer air suspension blower venting silencer box structure, including a silencer box body, and also including a first-stage silencer box, a second-stage silencer box and a third-stage silencer plate. The inner bottom side of the silencer box body is connected with the first-stage silencer box, the outer surface of the first-stage silencer box is provided with a plurality of small holes, the upper end of the first-stage silencer box is provided with a second-stage silencer box, the second-stage silencer box is connected to the silencer box body, the outer surface of the second-stage silencer box is provided with a plurality of middle holes, the inner upper position of the silencer box body is connected with the third-stage silencer plate, the upper end of the third-stage silencer plate is provided with a plurality of large holes, the front end of the silencer box body is connected with an air inlet pipe, and the upper end of the silencer box body is connected with an air outlet pipe.

[0007] Preferably, the gas enters the interior of the silencer box body through the air inlet pipe, then passes through the first-stage silencer box through the small hole, passes through the second-stage silencer box through the middle hole, and finally passes through the third-stage silencer plate through the large hole and flows out of the air outlet pipe. The cross-sectional area through which the gas passes becomes larger and larger, and at the same time the speed becomes smaller and smaller, so that the gas is decelerated to achieve silencing.

[0008] Preferably, the outer surface of the sound-absorbing box body is movably connected to a first sound-absorbing panel, and the front end of the sound-absorbing box body is movably connected to a second sound-absorbing panel.

[0009] Preferably, two fixed blocks are connected to the left and right sides of the front end of the first sound-absorbing panel respectively, and a rotating plate is rotatably connected between the two fixed blocks.

[0010] Preferably, a hollow slot is provided at the front end of the rotating plate, and rotating rods are respectively connected to the left and right sides of the front end of the second sound-absorbing plate.

[0011] Preferably, the front end of the rotating rod is rotatably connected to a rotating block, and the rotating block is movably connected to the rotating plate.

[0012] Preferably, the bottom of the sound-absorbing box body is movably connected to a third sound-absorbing panel, and magnetic grooves are respectively provided on the left and right sides of the bottom of the first sound-absorbing panel.

[0013] Preferably, a magnetic block is connected to the top of the sound-absorbing panel three at a position corresponding to the magnetic groove, and the top of the sound-absorbing box body is movably connected to the sound-absorbing panel four.

[0014] Beneficial effects of the utility model:

[0015] The gas enters the silencer box body through the air inlet, then passes through the first-stage silencer box through the small hole, passes through the second-stage silencer box through the middle hole, and finally passes through the third-stage silencer plate through the large hole and flows out from the outlet pipe. The cross-sectional area through which the gas passes becomes larger and larger, and at the same time the speed becomes smaller and smaller, so that the gas is decelerated to achieve silencing, in order to solve the problem that the existing air suspension blower venting silencer box usually adds a silencer at the tail end of the vent pipe. Although it can play a certain role in noise reduction, this method increases additional costs and the actual silencing effect is not ideal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the three-stage side cross-section of the air suspension blower venting silencer box structure of the utility model;

[0017] Figure 2 Shown is a three-dimensional structural diagram of the air suspension blower venting silencer box structure of the utility model with three-stage silencer;

[0018] Figure 3 Shown is a schematic diagram of the three-stage front section structure of the air suspension blower venting silencer box of the utility model;

[0019] Figure 4 Shown is a schematic diagram of the three-dimensional lower cross-section structure of the air suspension blower exhaust silencer box with three-stage silencer of the present invention.

[0020] Explanation of the accompanying reference numerals: 1. Silencer body; 201. First-stage silencer; 202. Small hole; 203. Second-stage silencer; 204. Middle hole; 205. Third-stage silencer; 206. Large hole; 207. Air inlet pipe; 208. Air outlet pipe; 301. Sound-absorbing panel one; 302. Sound-absorbing panel two; 303. Fixed block; 304. Rotating plate; 305. Empty slot; 306. Rotating rod; 307. Rotating block; 308. Sound-absorbing panel three; 309. Magnetic slot; 310. Magnetic block; 311. Sound-absorbing panel four. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figures 1-4 The utility model provides an embodiment: a three-stage silencer air suspension blower venting silencer structure includes a silencer box body 1, a first-stage silencer box 201, a second-stage silencer box 203 and a third-stage silencer plate 205. The inner bottom side of the silencer box body 1 is connected to the first-stage silencer box 201, and the outer surface of the first-stage silencer box 201 is provided with a plurality of small holes 202. The upper end of the first-stage silencer box 201 is provided with a second-stage silencer box 203, and the second-stage silencer box 203 is connected to the silencer box body 1. The outer surface of the second-stage silencer box 203 is provided with a plurality of middle holes 204. The inner bottom side of the silencer box body 1 is connected to the first-stage silencer box 201, and the outer surface of the second-stage silencer box 203 is provided with a plurality of middle holes 204. A three-stage silencer 205 is connected to the position, and a plurality of large holes 206 are opened on the upper end of the three-stage silencer 205. The front end of the silencer box body 1 is connected to an air inlet pipe 207, and the upper end of the silencer box body 1 is connected to an air outlet pipe 208. The gas enters the interior of the silencer box body 1 through the air inlet pipe 207, and then passes through the first-stage silencer 201 through the small hole 202, passes through the second-stage silencer 203 through the middle hole 204, and finally passes through the three-stage silencer 205 through the large hole 206 and flows out from the air outlet pipe 208. The cross-sectional area through which the gas passes becomes larger and larger, and the speed becomes smaller and smaller, so that the gas is decelerated to achieve silencing.

[0023] See also Figures 1-4 In this embodiment, a sound absorbing panel 1 301 is movably connected to the outer surface of the sound absorption box body 1, and a sound absorbing panel 2 302 is movably connected to the front end of the sound absorption box body 1. The sound absorbing panel 1 301 and the sound absorbing panel 2 can absorb excess noise. Two fixed blocks 303 are respectively connected to the left and right sides of the front end of the sound absorbing panel 1 301. A rotating plate 304 is rotatably connected between the two fixed blocks 303. The rotating plate 304 rotates between the fixed blocks 303. An empty slot 305 is opened at the front end of the rotating plate 304. The left and right sides of the front end of the sound absorbing panel 2 302 are respectively connected to rotating rods 306, and the rotating rods 306 are located inside the empty slots 305.

[0024] See also Figures 1-4In this embodiment, the front end of the rotating rod 306 is rotatably connected to a rotating block 307, and the rotating block 307 is movably connected to the rotating plate 304. The rotating block 307 rotates on the rotating rod 306 and the rotating plate 304 to fix the rotating plate 304. The bottom of the sound absorption box body 1 is movably connected to the third sound absorption panel 308. The left and right sides of the bottom of the sound absorption panel 1 301 are respectively provided with magnetic grooves 309. The third sound absorption panel 308 can absorb excess noise. The top of the sound absorption panel 308 is connected to a magnetic block 310 corresponding to the position of the magnetic groove 309. The top of the sound absorption box body 1 is movably connected to the fourth sound absorption panel 311, and the sound absorption panel 308 is fixed by the magnetic block 310.

[0025] During operation, the gas enters the interior of the silencer body 1 through the air inlet pipe 207, then passes through the first-level silencer 201 through the small hole 202, passes through the second-level silencer 203 through the middle hole 204, and finally passes through the third-level silencer plate 205 through the large hole 206 and flows out from the air outlet pipe 208. The cross-sectional area through which the gas passes becomes larger and larger, and at the same time the speed becomes smaller and smaller, so that the gas is decelerated to achieve silencing. The sound-absorbing panel 1 301 and the sound-absorbing panel 2 302 are installed and then the rotating plate 304 is rotated to make the rotating block 307 pass through the empty slot 305. The rotating block 307 is rotated to fix the rotating plate 304 on the sound-absorbing panel 2 302, and then the sound-absorbing panel 3 308 is fixed above the sound-absorbing panel through the magnetic groove 309 and the magnetic block 310. Finally, the sound-absorbing panel 4 311 is installed on the silencer body 1, which absorbs excess noise and is convenient for disassembly and installation.

[0026] Through the above steps, the gas enters the interior of the silencer box body 1 through the air inlet pipe 207, then passes through the first-level silencer box 201 through the small hole 202, passes through the second-level silencer box 203 through the middle hole 204, and finally passes through the third-level silencer plate 205 through the large hole 206 and flows out from the air outlet pipe 208. The cross-sectional area passed by the gas becomes larger and larger, and the speed becomes smaller and smaller, so that the gas is decelerated to achieve silencing, so as to solve the problem that the existing air suspension blower venting silencer usually adds a silencer at the tail end of the vent pipe. Although it can play a certain role in noise reduction, this method increases additional costs and the actual silencing effect is not ideal.

Claims

1. A three-stage silencer air suspension blower venting silencer box structure, comprising a silencer box body (1); characterized in that: The utility model also includes a first-stage muffler box (201), a second-stage muffler box (203) and a third-stage muffler plate (205), wherein the first-stage muffler box (201) is connected to the bottom side of the interior of the muffler box body (1), a plurality of small holes (202) are provided on the outer surface of the first-stage muffler box (201), a second-stage muffler box (203) is provided at the upper end of the first-stage muffler box (201), the second-stage muffler box (203) is connected to the muffler box body (1), a plurality of middle holes (204) are provided on the outer surface of the second-stage muffler box (203), a third-stage muffler plate (205) is connected to the upper position of the interior of the muffler box body (1), a plurality of large holes (206) are provided on the upper end of the third-stage muffler plate (205), an air inlet pipe (207) is connected to the front end of the muffler box body (1), and an air outlet pipe (208) is connected to the upper end of the muffler box body (1).

2. The three-stage silencing air suspension blower venting silencing box structure according to claim 1 is characterized by: The outer surface of the muffler box body (1) is movably connected to a sound absorbing board 1 (301), and the front end of the muffler box body (1) is movably connected to a sound absorbing board 2 (302).

3. The three-stage silencing air suspension blower venting silencer box structure according to claim 2 is characterized by: Two fixed blocks (303) are connected to the left and right sides of the front end of the sound absorbing plate (301), respectively, and a rotating plate (304) is rotatably connected between the two fixed blocks (303).

4. The three-stage silencing air suspension blower venting silencer box structure according to claim 3 is characterized by: The front end of the rotating plate (304) is provided with an empty slot (305), and the front end of the second sound absorbing plate (302) is connected to rotating rods (306) on both sides.

5. The three-stage silencing air suspension blower venting silencer box structure according to claim 4 is characterized in that: The front end of the rotating rod (306) is rotatably connected to a rotating block (307), and the rotating block (307) is movably connected to the rotating plate (304).

6. The three-stage silencing air suspension blower venting silencer box structure according to claim 5 is characterized by: The bottom of the sound-absorbing box body (1) is movably connected to a third sound-absorbing plate (308), and the left and right sides of the bottom of the first sound-absorbing plate (301) are respectively provided with magnetic suction grooves (309).

7. The three-stage silencing air suspension blower venting silencer box structure according to claim 6 is characterized by: The top of the sound absorbing panel three (308) is connected to a magnetic block (310) at a position corresponding to the magnetic groove (309), and the top of the sound absorbing box body (1) is movably connected to the sound absorbing panel four (311).

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