CN214499576U

CN214499576U - Dry-type cement manufacture is with equipment of making an uproar that falls

Info

Publication number: CN214499576U
Application number: CN202120346594.7U
Authority: CN
Inventors: 齐小林
Original assignee: Guangzhou Bonxl Environmental Protection Building Materials Co ltd
Current assignee: Guangzhou Bonxl Environmental Protection Building Materials Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-26
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a noise reduction device for dry-type cement production, which comprises a sound-deadening box, a sound-insulating layer and a front end connecting pipeline, the front end of the sound-deadening box is fixedly welded with a sound-insulating layer, the front end of the sound-insulating layer is fixedly provided with a front end connecting pipeline, the sound insulation layer is fixedly provided with a silencing pipe in an inserting way, the left surface of the silencing box is fixedly provided with an air suction pipe in a welding way, the rear end of the air suction pipe is fixedly welded with an air inlet silencing pipe, the lower end of the air inlet silencing pipe is fixedly connected with a fan noise reduction device, the fan noise reduction device is internally and fixedly provided with a noise reduction fan, the rear end of the fan noise reduction device is fixedly welded with an air outlet pipe, go out tuber pipe rear end trompil and be equipped with the air outlet, the utility model discloses a set up hush pipe, puigging, hush box, inhale the cooperation of sound cotton and interlayer spring and use, carry out the noise reduction with it in the transmission noise, can not produce other work sound simultaneously at the in-process of noise reduction.

Description

Dry-type cement manufacture is with equipment of making an uproar that falls

Technical Field

The utility model belongs to the technical field of making an uproar, concretely relates to dry-type cement manufacture is with equipment of making an uproar that falls.

Background

In a cement grinding production line, a large amount of noise pollution can be generated in the running process of equipment such as a ball mill, a centrifugal fan and the like in the production process, the original sound environment of a factory area and a factory boundary is influenced, and the normal running of the production line is further influenced. The noise of the ball mill is mainly generated by mutual impact and grinding among the steel balls, materials and the lining plate in the cylinder body, the noise is radiated outwards from the surface, and in addition, the motor, the speed reducer, the coupling and the transmission device also generate larger noise. The fan mainly comprises a centrifugal fan and a Roots fan, and the noise mainly comprises aerodynamic noise and mechanical noise.

The exhaust fan of the existing cement mill is small in pipe diameter variable of an air inlet and more in bent pipe quantity, so that the power consumption of the exhaust fan is high, the noise generated at the same time is very large, the use requirement of energy conservation and noise reduction cannot be met, the noise is increased, and the problem in the prior art is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type cement manufacture is with equipment of making an uproar that falls to it grinds exhaust fan to provide current cement among the above-mentioned background art because air intake pipe diameter variable is little and return bend quantity is more, makes the consumption of exhaust fan high, and the noise that produces simultaneously is very big, thereby not only can not satisfy the user demand that energy-conservation falls and make an uproar, and has increased the production of noise, consequently needs a utility model to solve current problem.

In order to achieve the above object, the utility model provides a following technical scheme: a noise reduction device for dry cement production comprises a sound-deadening box, a sound-insulating layer and a front end connecting pipeline, the front end of the sound-deadening box is fixedly welded with a sound-insulating layer, the front end of the sound-insulating layer is fixedly provided with a front end connecting pipeline, the sound insulation layer is fixedly provided with a silencing pipe in an inserting way, the left surface of the silencing box is fixedly provided with an air suction pipe in a welding way, the rear end of the air suction pipe is fixedly welded with an air inlet silencing pipe, the lower end of the air inlet silencing pipe is fixedly connected with a fan noise reduction device, the fan noise reduction device is internally and fixedly provided with a noise reduction fan, the rear end of the fan noise reduction device is fixedly welded with an air outlet pipe, an air outlet is arranged at the rear end of the air outlet pipe, a silencing area is arranged in the silencing box, sound-absorbing cotton is bonded and fixed on the inner wall of the silencing box, an interlayer spring is fixedly installed in the sound absorption cotton, and a rear end connecting pipeline is fixedly welded at the rear end of the silencing box.

Preferably, the silencing pipe is inserted and fixed at the front end of the silencing box, and a plurality of small holes are uniformly distributed on the surface of the silencing pipe body.

Preferably, the diameter of the front end inlet of the sound muffling box is larger than that of the rear end outlet of the sound muffling box.

Preferably, the air inlet silencing pipe is in a bent shape, and the air suction pipe, the fan noise reduction device and the air outlet pipe are connected through the air inlet silencing pipe.

Preferably, a plurality of interlayer springs are arranged in the sound-absorbing cotton and are distributed in the sound-deadening box at equal intervals.

Preferably, the upper end surface of the front end connecting pipeline body is provided with an adjusting flange, and an adjusting turning plate is fixedly arranged inside the front end connecting pipeline.

Preferably, the fan of making an uproar falls in fan noise reduction device is equipped with the impeller group, and the impeller group is equipped with 4 flabellums, and the flabellum rotates on the fan noise reduction device inner wall.

Compared with the prior art, the beneficial effects of the utility model are that: realized when using this noise reduction device through people, used through setting up hush pipe, puigging, hush box, inhaling the cooperation of sound cotton and interlayer spring, carried out the noise reduction with it in the transmission noise, can not produce other work sound simultaneously at the in-process of noise reduction.

1. The utility model discloses a set up puigging and noise elimination pipe, when using this noise reduction device through people, carry out the noise reduction through a plurality of apertures on the noise elimination pipe body surface wall to the noise, and use through the cooperation of puigging, cut off through the sound after the noise elimination pipe does not reduce the noise completely to prevented that the noise from polluting external noise, thereby made the noise reduction better.

2. The utility model discloses a set up the noise reduction box, inhale sound cotton and interlayer spring, people are when using this noise reduction device, and the noise passes through the front end connecting tube and carries its noise into the noise reduction box in to the noise that will not reduce the noise totally is through inhaling the cotton effect of sound with its noise reduction in the noise reduction box, thereby realizes the effect of making an uproar and falling the noise, and the effect of interlayer spring, can not send the noise of during operation in the noise reduction, thereby noiselessly carries out the noise reduction.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a left side view structural schematic diagram of the present invention;

FIG. 3 is a schematic view of the sound muffling box of the present invention;

fig. 4 is the schematic diagram of the internal structure of the front end connecting pipe of the present invention.

In the figure: 1. a sound silencing box; 2. a sound insulating layer; 3. the front end is connected with a pipeline; 4. the rear end is connected with a pipeline; 5. an air suction pipe; 6. an air inlet silencing pipe; 7. an air outlet pipe; 8. a fan noise reduction device; 9. an air outlet; 10. a sound-deadening tube; 11. a noise reduction fan; 12. a sound deadening region; 13. sound-absorbing cotton; 14. an interlayer spring; 15. an inlet; 16. and (7) an outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a noise reduction device for dry cement production comprises a silencing box 1, puigging 2 and front end connecting tube 3, 1 front end welded fastening of whistle box has puigging 2, 2 front end fixed mounting of puigging have front end connecting tube 3, cloth grafting fixed mounting has hush pipe 10 in the puigging 2, 1 left side welded fastening of whistle box has aspiration channel 5, 5 rear end welded fastening of aspiration channel has air

inlet hush pipe

6, 6 lower extreme fixed connection of air inlet hush pipe installs the fan and falls the device 8 of making an uproar, 8 inside fixed mounting of fan fall the device have fall the fan 11 of making an uproar, 8 rear end welded fastening of fan fall the device have a tuber pipe 7, 7 rear end trompil of tuber pipe are equipped with air outlet 9, 1 inside amortization region 12 of having seted up of whistle box, 1 inner wall cohesive fastening of whistle box has inhales

sound cotton

13, 13 internal fixed mounting of inhaling sound cotton has interlayer spring 14, 1 rear end welded fastening of whistle box has rear end connecting tube 4.

In this embodiment, preferably, the silencing tube 10 is inserted and fixed at the front end of the silencing box 1, and the holes uniformly distributed on the surface of the silencing tube 10 are provided with a plurality of small holes, so that the noise can be overhauled under the action of the silencing tube 10 when the silencing operation is performed, and the noise reduction effect can be achieved.

In this embodiment, preferably, the diameter of the front end inlet 15 of the sound muffling box 1 is larger than the diameter of the rear end outlet 16 of the sound muffling box 1, so that noise is absorbed into the device in a large range to reduce noise during noise reduction, and finally, noise is output outwards in a small range, thereby reducing noise.

Example 2

inlet hush pipe

sound cotton

In this embodiment, preferably, the air inlet silencing pipe 6 is in a curved shape, and the air suction pipe 5, the fan noise reduction device 8 and the air outlet pipe 7 are connected through the air inlet silencing pipe 6, so that the noise is transmitted while the air is prevented from colliding with the pipe body, and the noise is prevented from being generated during collision.

In this embodiment, preferably, the interlayer springs 14 are disposed in the sound-absorbing cotton 13 and equidistantly distributed in the sound-muffling box 1, so that when the noise-reducing operation is performed, the effect of other noises is not generated due to the effect of the interlayer springs 14 when the noise-reducing operation is performed.

In this embodiment, preferably, the upper end surface of the pipe body of the front end connecting pipe 3 is provided with an adjusting flange, and the adjusting turning plate is fixedly arranged inside the front end connecting pipe 3, so that the adjusting turning plate can be adjusted to rotate through the adjusting flange in the noise reduction work, and the entering of noise can be controlled.

In this embodiment, preferably, the fan set is provided with 4 blades in the fan noise reduction device 8, and the blades rotate on the inner wall of the fan noise reduction device 8, so that the work of the fan 11 is realized, and the noise in the noise reduction device is reduced by increasing the contact time and area of the air and the noise reduction piece, so as to effectively increase the sound absorption and noise reduction effects of the noise reduction device.

The utility model discloses a theory of operation and use flow: firstly, the noise reduction device is fixedly arranged in a designated area through a front end connecting pipeline 3 and a rear end connecting pipeline 4, then an adjusting turning plate in the noise reduction device is adjusted through an adjusting flange on the surface of a pipe body of the front end connecting pipeline 3, then a noise reduction fan 11 in a fan noise reduction device 8 is started, the work of the noise reduction fan 11 is realized, the noise in the noise reduction device is effectively increased by increasing the contact time and the contact area of gas and a noise reduction piece, so that the noise absorption and reduction effects of the noise reduction device are effectively increased, the noise reduction work is carried out, then the noise enters a noise reduction pipe 10 through the front end connecting pipeline 3, then the noise enters a noise reduction box 1 through an inlet 15, when the noise reduction work is carried out, the noise is absorbed into the device in a large range for noise reduction, and finally the noise is output outwards in a small range, so that the noise reduction effect is realized, subsequently, through the effect of the noise reduction fan 11, noise is enabled to move in an accelerating manner in the gas, the noise is enabled to be matched with the sound absorption cotton 13 in the sound attenuation box 1 to reduce the noise, meanwhile, the air suction pipe 5, the air inlet noise attenuation pipe 6 and the air outlet pipe 7 are matched to use, the noise is transmitted and transmitted, gas is prevented from colliding with the pipe body, noise is generated during collision, the noise is transmitted out through the air outlet 9, and the noise generated after the noise reduction is transmitted out through the outlet 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type cement manufacture is with equipment of making an uproar that falls, includes whistle box (1), puigging (2) and front end connecting tube (3), its characterized in that: the sound insulation box is characterized in that a sound insulation layer (2) is fixedly welded at the front end of the sound insulation layer (1), a front end connecting pipeline (3) is fixedly installed at the front end of the sound insulation layer (2), a sound insulation pipe (10) is fixedly installed in the sound insulation layer (2) in an inserting mode, an air suction pipe (5) is fixedly welded on the left side surface of the sound insulation box (1), an air inlet sound insulation pipe (6) is fixedly welded at the rear end of the air suction pipe (5), a fan noise reduction device (8) is fixedly connected at the lower end of the air inlet sound insulation pipe (6), a noise reduction fan (11) is fixedly installed inside the fan noise reduction device (8), an air outlet pipe (7) is fixedly welded at the rear end of the fan noise reduction device (8), an air outlet pipe (7) is opened at the rear end, a sound reduction area (12) is arranged inside the sound insulation box (1), sound absorption cotton (13) is fixedly bonded on the inner wall of the sound insulation box (1), an interlayer spring (14) is fixedly installed in the sound absorption cotton (13), and a rear end connecting pipeline (4) is fixedly welded at the rear end of the sound absorption box (1).

2. The noise reduction apparatus for dry cement manufacture according to claim 1, wherein: the silencing pipe (10) is inserted and fixed at the front end of the silencing box (1), and a plurality of small holes are uniformly distributed on the surface of the silencing pipe (10) body.

3. The noise reduction apparatus for dry cement manufacture according to claim 2, wherein: the diameter of the front end inlet (15) of the sound muffling box (1) is larger than that of the rear end outlet (16) of the sound muffling box (1).

4. The noise reduction apparatus for dry cement manufacture according to claim 2, wherein: the air inlet silencing pipe (6) is in a bent shape, and the air suction pipe (5), the fan noise reduction device (8) and the air outlet pipe (7) are connected through the air inlet silencing pipe (6).

5. The noise reduction apparatus for dry cement manufacture according to claim 2, wherein: the interlayer springs (14) are arranged in the sound-absorbing cotton (13) in a plurality and are distributed in the sound-deadening box (1) at equal intervals.

6. The noise reduction apparatus for dry cement manufacture according to claim 1, wherein: the adjusting flange is arranged on the upper end surface of the pipe body of the front end connecting pipeline (3), and the adjusting turning plate is fixedly arranged inside the front end connecting pipeline (3).

7. The noise reduction apparatus for dry cement manufacture according to claim 6, wherein: the fan (11) of making an uproar falls in fan noise reduction device (8) is equipped with impeller group, and impeller group is equipped with 4 flabellums, and the flabellum rotates on fan noise reduction device (8) inner wall.