CN214426030U - Chimney of making an uproar falls - Google Patents

Abstract

The utility model relates to a chimney of making an uproar falls, it includes the chimney body, the below of chimney body is connected with the shaft that is used for discharging fume, the shaft includes the multistage and follows the pipe of discharging fume that vertical direction distributes, and two adjacent pipes of discharging fume can dismantle the connection through at least a set of fastener, are located the below discharge fume and be connected with into tobacco pipe on the pipe, the inboard of discharging fume the pipe has set gradually insulating layer and sound-absorbing layer, the insulating layer is located the sound-absorbing layer and discharges fume between the pipe. This application has the little effect of noise of discharging fume.

Description

Chimney of making an uproar falls

Technical Field

The application relates to the field of chimneys, in particular to a noise reduction chimney.

Background

Chimney is a structure for providing ventilation for hot smoke or fume of boiler, furnace or fireplace, and is used more and more with the rapid development of modern industry.

In the related art, chinese patent No. CN203560915U discloses a chimney for a boiler, which includes a chimney body, the chimney body has a downward folded portion and an upward extending portion, the upward extending portion adopts a double-pipe structure, one of which is a chimney pipe, and the chimney pipe is communicated with the downward folded portion; the other is an air preheating pipe, the upper surface and the lower surface of the air preheating pipe are provided with openings, and a regulating damper is also arranged at the junction of the downward folded part and the upward extending part.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the chimney of the boiler generates a large amount of noise during smoke discharge, so that the normal life of surrounding residents is interfered, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to reduce the noise when discharging fume, this application provides a chimney of making an uproar falls.

The application provides a chimney that makes an uproar falls adopts following technical scheme:

the utility model provides a chimney of making an uproar falls, includes the chimney body, the below of chimney body is connected with the shaft that is used for discharging fume, the shaft includes the multistage pipe of discharging fume along vertical direction distribution, and two adjacent pipes of discharging fume can dismantle the connection through at least a set of fastener, are located the below discharge fume and be connected with into the tobacco pipe on the pipe, the inboard of discharging fume the pipe has set gradually insulating layer and acoustic absorption layer, the insulating layer is located the acoustic absorption layer and discharges fume between the pipe.

By adopting the technical scheme, during smoke discharge, smoke enters the smoke discharge pipe from the smoke inlet pipe, flows to the chimney body through the smoke discharge pipes from top to bottom in sequence, and is discharged outwards through the chimney body. The sound absorption layer on the inner side of the smoke exhaust pipe can effectively absorb noise generated when smoke flows, and plays a role in sound absorption and noise reduction; the heat insulating layer enables heat in the smoke not to be easily diffused to the side wall of the smoke exhaust pipe, the influence of the smoke on the temperature of air around the smoke exhaust pipe is reduced, and the heat insulating effect is good. The vertical shaft is formed by splicing a plurality of smoke exhaust pipes, and two adjacent smoke exhaust pipes can be detached, so that an operator can assemble the vertical shaft or disassemble and replace a single smoke exhaust pipe conveniently.

Optionally, the top end and the bottom end of the circumferential side wall of the smoke exhaust pipe are provided with connecting blocks, connecting holes equal to the number of the fasteners are formed in each connecting block, and the fasteners comprise fastening bolts penetrating through the connecting holes and fastening nuts in threaded fit with the fastening bolts.

By adopting the technical scheme, when the two smoke exhaust pipes are spliced, the connecting hole at the top of one smoke exhaust pipe is aligned with the connecting hole at the bottom of the other smoke exhaust pipe respectively, the fastening bolt penetrates through the two connecting holes aligned with the opening, and then the fastening nut is in threaded connection with the fastening bolt, so that the head of the fastening bolt and the fastening nut clamp the connecting blocks close to the two smoke exhaust pipes, the splicing of the smoke exhaust pipes is realized, the operation is simple and convenient, and the connecting strength is high.

Optionally, a positioning block is fixed on the top surface of the smoke exhaust pipe, and a positioning groove for inserting the positioning block into another smoke exhaust pipe is formed in the bottom surface of the smoke exhaust pipe.

Through adopting above-mentioned technical scheme, locating piece and constant head tank grafting cooperation have not only increased the connection area of two adjacent pipes of discharging fume, can also restrict two pipes of discharging fume and follow horizontal direction relative movement, help operating personnel to operate the fastener and discharge fume the pipe with the concatenation.

Optionally, sealing gaskets are fixed on the top surface and the bottom surface of the smoke exhaust pipe, and the sealing gaskets are arranged around the circumference of the smoke exhaust pipe.

By adopting the technical scheme, the sealing gasket is positioned at the splicing part of the two adjacent smoke exhaust pipes, so that the effect of blocking smoke from flowing outwards from the gap between the two smoke exhaust pipes is achieved, and the sealing property of the vertical shaft is improved.

Optionally, the sealing gasket is made of a polytetrafluoroethylene sheet.

By adopting the technical scheme, the polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing property and high temperature resistance, and the sealing gasket is made of the materials and has the advantages of good sealing property, strong heat resistance and long service life.

Optionally, a dustproof filter plate is detachably connected in the smoke inlet pipe.

Through adopting above-mentioned technical scheme, dustproof filter plate can filter the dust in the smog before smog gets into the pipe of discharging fume to reduce the dust volume in the smog, the dust is difficult for piling up on the lateral wall of discharging fume pipe and chimney body and disturbing smoke discharging effect when discharging fume.

Optionally, the circumferential side wall of the dustproof filter plate is provided with external threads, and one end, away from the smoke exhaust pipe, of the inner wall of the smoke inlet pipe is provided with internal threads matched with the external threads.

Through adopting above-mentioned technical scheme, dustproof filter plate passes through threaded connection with advancing the tobacco pipe, and both easy dismounting, the operating personnel of being convenient for take out the clearance with dustproof filter plate.

Optionally, a limiting ring is fixed to the circumferential inner wall of the smoke inlet pipe, and the limiting ring abuts against one side, close to the smoke exhaust pipe, of the dustproof filter plate.

Through adopting above-mentioned technical scheme, the spacing ring butt plays the effect of auxiliary stay in one side of dustproof filter plate when smog will prevent dust filter plate to discharging fume the pipe impact, has improved the stability of dustproof filter plate. In addition, the limiting ring also plays the spacing effect of butt when dustproof filter plate assembles for dustproof filter plate can not stretch into the tub of discharging fume too much, makes things convenient for operating personnel follow-up demolish dustproof filter plate.

Optionally, the top end of the chimney body is connected with a silencing pipe, and a plurality of silencing holes are formed in the circumferential side wall of the silencing pipe.

Through adopting above-mentioned technical scheme, smog flows the back to the hush pipe through the chimney body, and the hush hole can further break up the noise when smog is discharged from the hush pipe to further reduce smoke exhaust noise.

Optionally, a rain shield is arranged at the top end of the silencing tube, and the rain shield can shield the upper opening of the silencing tube.

Through adopting above-mentioned technical scheme, the rain-proof cover can block that the rainwater gets into chimney body and tub of discharging fume from the opening of amortization pipe, and water-proof effects is good.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during smoke exhaust, smoke flows in from the smoke inlet pipe and is exhausted from the chimney body after passing through each smoke exhaust pipe, the sound absorption layer can effectively absorb the noise generated during smoke exhaust, and the noise reduction effect is good; the heat insulation layer can prevent heat from diffusing to the outside of the smoke exhaust pipe, and plays a role in heat insulation protection;

2. two adjacent smoke exhaust pipes are connected and fixed through fastening bolts and fastening nuts, so that the assembly and disassembly are convenient; the positioning block and the positioning groove are spliced, so that the connecting area of the two rows of smoke pipes is increased, and the connecting stability of the positioning block and the positioning groove is improved; the sealing gasket can prevent smoke from diffusing outwards from the gap between the two smoke exhaust pipes, and the sealing effect is good;

3. the dustproof filter plate can filter dust in smoke before the smoke enters the smoke exhaust pipe, so that the dust is not easy to adhere to the side walls of the smoke exhaust pipe and the chimney body to interfere smoke exhaust.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is an enlarged schematic view at B in fig. 2.

Description of reference numerals: 1. a chimney body; 11. fixing grooves; 2. a sound-deadening tube; 21. a silencing hole; 3. a shaft; 31. a smoke exhaust pipe; 311. positioning blocks; 32. connecting blocks; 321. connecting holes; 33. a gasket; 331. a hole of abdication; 332. a through hole; 34. a thermal insulation layer; 35. a sound absorbing layer; 4. a rain shield; 41. a waterproof sheet; 42. a baffle; 5. a fastener; 51. fastening a bolt; 52. fastening a nut; 6. a smoke inlet pipe; 61. an internal thread; 62. a limiting ring; 7. positioning a groove; 8. a dustproof filter plate; 81. and (4) external threads.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a chimney of making an uproar falls. Referring to fig. 1 and 2, the noise reduction chimney comprises a chimney body 1, a silencing pipe 2 is fixed above the chimney body 1, and a vertical shaft 3 is connected below the chimney body 1. A plurality of silencing holes 21 are formed in the circumferential side wall of the silencing pipe 2, the silencing holes 21 are communicated with the interior of the silencing pipe 2, and the silencing pipe plays a role in scattering noise during smoke discharging.

Referring to fig. 1 and 2, a rain shield 4 is fixed to the top end of the muffler pipe 2, the rain shield 4 includes a waterproof plate 41 and a plurality of guide plates 42 fixed to the side walls of the waterproof plate 41, the waterproof plate 41 is located right above the muffler pipe 2 and can shield the upper opening of the muffler pipe 2, and the guide plates 42 are arranged along an inclined direction and are located at the lower end of one end of the muffler pipe 41. The rain shield 4 can prevent water from entering the silencing pipe 2, so that the smoke exhaust pipe 31 and the chimney body 1 are not easily blocked by rainwater.

Referring to fig. 2 and 3, the shaft 3 includes a plurality of smoke exhaust pipes 31 distributed along the vertical direction, two adjacent smoke exhaust pipes 31 are detachably connected through a plurality of sets of fasteners 5, wherein the smoke exhaust pipe 31 positioned at the top is fixedly connected with the chimney body 1, the side wall of the smoke exhaust pipe 31 positioned at the bottom is fixed with a smoke inlet pipe 6, and the smoke inlet pipe 6 is communicated with the inside of the smoke exhaust pipe 31. During smoke discharge, smoke enters from the smoke inlet pipe 6, flows to the chimney body 1 through the smoke discharge pipe 31, and is discharged outwards through the silencing pipe 2.

Referring to fig. 2 and 3, the top end and the bottom end of the circumferential side wall of each smoke exhaust pipe 31 are respectively fixed with an annular connecting block 32, the upper end face of each connecting block 32 is provided with a connecting hole 321 extending along the vertical direction, and the connecting holes 321 of the two connecting blocks 32 in the same smoke exhaust pipe 31 are arranged in a pairwise opposite manner. The fastening piece 5 comprises a fastening bolt 51 and a fastening nut 52 which are in threaded fit, the fastening bolt 51 is arranged in two connecting holes 321 with opposite openings on the two smoke exhaust pipes 31 in a penetrating manner, the fastening nut 52 is in threaded connection with the fastening bolt 51, the connecting blocks 32 close to the two smoke exhaust pipes 31 are clamped between the head parts of the fastening bolt 51 and the fastening nut 52, and the smoke exhaust pipes 31 are high in splicing strength and good in stability.

Referring to fig. 2 and 3, the top surface and the bottom surface of the smoke exhaust pipe 31 are both fixed with a sealing gasket 33, the sealing gasket 33 is annular and is arranged around the smoke exhaust pipe 31, and the sealing gasket 33 is made of polytetrafluoroethylene material, so that the smoke exhaust pipe has the advantages of good sealing performance and high temperature resistance. When the two smoke exhaust pipes 31 are spliced, the sealing gasket 33 is deformed and tightly pressed between the two smoke exhaust pipes 31, so that the effect of preventing smoke from diffusing outwards from the connecting part of the two smoke exhaust pipes 31 is achieved.

Referring to fig. 2 and 3, a plurality of positioning blocks 311 are fixed on the top surface of the smoke exhaust pipe 31, the positioning blocks 311 are circumferentially arranged along the central axis of the smoke exhaust pipe 31, the sealing gasket 33 at the upper end of the smoke exhaust pipe 31 is provided with the same number of abdicating holes 331 as the positioning blocks 311, the depth of the abdicating holes 331 is smaller than the length of the positioning blocks 311, and the positioning blocks 311 respectively penetrate out of the abdicating holes 331. The lower end surface of the chimney body 1 is provided with fixing grooves 11 with the same number as the positioning blocks 311, and the positioning blocks 311 connected to the uppermost smoke exhaust pipe 31 are respectively inserted into the fixing grooves 11 adjacent to the uppermost smoke exhaust pipe.

Referring to fig. 2 and 3, the bottom surface of the smoke exhaust pipe 31 is provided with positioning grooves 7, the sealing gasket 33 at the lower end of the smoke exhaust pipe 31 is provided with through holes 332 equal in number to the positioning grooves 7, and each through hole 332 is aligned with the opening of each positioning groove 7 adjacent to the through hole 332. When the two smoke exhaust pipes 31 are connected, the positioning blocks 311 are respectively inserted into the through holes 332 and the positioning grooves 7 located above the positioning blocks.

Referring to fig. 2 and 3, an annular heat insulation layer 34 is fixed on the inner side of the smoke exhaust pipe 31, and the heat insulation layer 34 is made of heat insulation cotton, so that heat in smoke can be effectively prevented from diffusing outwards, and the influence of the smoke on the air temperature around the smoke exhaust pipe 31 is reduced. An annular sound absorption layer 35 is fixed on the inner side of the heat insulation layer 34, and the sound absorption layer 35 can absorb noise generated during smoke discharge.

Referring to fig. 2 and 4, the smoke inlet pipe 6 is connected with a dustproof filter plate 8, the circumferential side wall of the dustproof filter plate 8 is provided with an external thread 81, the inner wall of the smoke inlet pipe 6 is provided with an internal thread 61 matched with the external thread 81, and the internal thread 61 is located at one end of the smoke inlet pipe 6 far away from the smoke exhaust pipe 31. The dustproof filter plate 8 can filter dust in smoke before the smoke enters the smoke exhaust pipe 31, so that the dust is not easy to adhere to the side walls of the smoke exhaust pipe 31 and the chimney body 1, and the smoke exhaust effect is not influenced.

Referring to fig. 2 and 4, a limiting ring 62 is fixed on the circumferential inner wall of the smoke inlet pipe 6, the limiting ring 62 is located on one side of the internal thread 61 close to the smoke exhaust pipe 31, and when the dustproof filter plate 8 is connected with the smoke inlet pipe 6, the limiting ring 62 abuts against one side of the dustproof filter plate 8 close to the smoke exhaust pipe 31 to play a role in supporting the dustproof filter plate 8.

The implementation principle of the noise reduction chimney in the embodiment of the application is as follows: during smoke discharge, smoke is discharged from the smoke inlet pipe 6, is filtered by the dustproof filter plate 8 and then flows into the vertical shaft 3, flows into the chimney body 1 after passing through each smoke discharge pipe 31 from top to bottom, and is discharged outwards through the silencing holes 21 of the silencing pipe 2. The sound absorption layer 35 plays a role of primary noise reduction when smoke passes through the smoke exhaust pipe 31, the sound attenuation hole 21 plays a role of secondary noise reduction when smoke is exhausted, the noise reduction effect is good, and the influence on surrounding residents is small when smoke is exhausted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a chimney of making an uproar falls, includes chimney body (1), its characterized in that: the lower part of chimney body (1) is connected with shaft (3) that is used for discharging fume, shaft (3) include the multistage along the pipe (31) of discharging fume of vertical direction distribution, and adjacent two pipe (31) of discharging fume can be dismantled through at least a set of fastener (5) and be connected, are located the below discharge fume and be connected with into tobacco pipe (6) on pipe (31), the inboard of discharging fume pipe (31) has set gradually insulating layer (34) and sound-absorbing layer (35), insulating layer (34) are located between sound-absorbing layer (35) and the pipe (31) of discharging fume.

2. A noise reducing chimney according to claim 1, characterised in that: the top end and the bottom end of the circumferential side wall of the smoke exhaust pipe (31) are provided with connecting blocks (32), connecting holes (321) equal to the number of the fasteners (5) are formed in each connecting block (32), and each fastener (5) comprises a fastening bolt (51) penetrating through the connecting holes (321) and a fastening nut (52) in threaded fit with the fastening bolt (51).

3. A noise reducing chimney according to claim 1, characterised in that: the top surface of the smoke exhaust pipe (31) is fixed with a positioning block (311), and the bottom surface of the smoke exhaust pipe (31) is provided with a positioning groove (7) for inserting the positioning block (311) on the other smoke exhaust pipe (31).

4. A noise reducing chimney according to claim 2, characterised in that: all be fixed with sealed pad (33) on the top surface of discharging fume pipe (31) and the bottom surface, sealed pad (33) encircle the circumference setting of discharging fume pipe (31).

5. A noise reducing chimney according to claim 4, characterised in that: the sealing gasket (33) is made of a polytetrafluoroethylene sheet.

6. A noise reducing chimney according to claim 1, characterised in that: the smoke inlet pipe (6) is detachably connected with a dustproof filter plate (8).

7. A noise reducing chimney according to claim 6, characterised in that: the circumference lateral wall of dustproof filter plate (8) is equipped with external screw thread (81), the one end that the inner wall of advancing tobacco pipe (6) is kept away from and is discharged fume pipe (31) is equipped with internal thread (61) of mutually supporting with external screw thread (81).

8. A noise reducing chimney according to claim 7, characterised in that: a limiting ring (62) is fixed on the circumferential inner wall of the smoke inlet pipe (6), and the limiting ring (62) is abutted to one side of the dustproof filter plate (8) close to the smoke exhaust pipe (31).

9. A noise reducing chimney according to claim 1, characterised in that: the top end of the chimney body (1) is connected with a silencing pipe (2), and a plurality of silencing holes (21) are formed in the circumferential side wall of the silencing pipe (2).

10. A noise reducing chimney according to claim 9, characterised in that: the top end of the silencing pipe (2) is provided with a rain shield (4), and the rain shield (4) can shield an upper opening of the silencing pipe (2).

Images