CN213273048U - Ventilation and noise reduction device for underground fire-fighting engineering - Google Patents

Ventilation and noise reduction device for underground fire-fighting engineering Download PDF

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Publication number
CN213273048U
CN213273048U CN202021809337.4U CN202021809337U CN213273048U CN 213273048 U CN213273048 U CN 213273048U CN 202021809337 U CN202021809337 U CN 202021809337U CN 213273048 U CN213273048 U CN 213273048U
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China
Prior art keywords
ventilation
noise reduction
adapter sleeve
interior pipeline
return bend
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CN202021809337.4U
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Chinese (zh)
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李辉
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Shandong Jianfeng Fire Engineering Co ltd
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Shandong Jianfeng Fire Engineering Co ltd
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Abstract

The utility model discloses an underground fire control engineering ventilation noise reduction device, including ventilation return bend A, carousel A, adapter sleeve A, interior pipeline, first acoustic celotex board, heating panel, second acoustic celotex board, carousel B, adapter sleeve B and ventilation return bend B, ventilation return bend A sets up in the top of interior pipeline through adapter sleeve A, carousel A sets up between ventilation return bend A, adapter sleeve A, first acoustic celotex board sets up in the left side of interior pipeline, the heating panel sets up in the surface of interior pipeline, the second acoustic celotex board sets up in the right side of interior pipeline, carousel B sets up between adapter sleeve B, ventilation return bend B passes through adapter sleeve B and sets up in the bottom of interior pipeline. The utility model discloses direction is connected to adjustable return bend for it is high to link up the flexibility ratio, can carry out the amortization simultaneously from the pipeline inside and outside, effectively improves the efficiency of making an uproar, has the practicality.

Description

Ventilation and noise reduction device for underground fire-fighting engineering
Technical Field
The utility model relates to a ventilation noise reduction device technical field, specific engineering ventilation noise reduction device is prevented to underground fire control that says so.
Background
Underground fire engineering ventilation noise reduction device can make things convenient for underground fire engineering's ventilation, and can the pollution of noise reduction at the ventilation process, and the fire engineering system includes: fire-fighting water system, fire automatic alarm system, gas fire-extinguishing system, smoke-preventing and exhausting system, emergency evacuation system, fire-fighting communication system, fire-fighting broadcast system, foam fire-extinguishing system, fire-preventing partition equipment (fire door, fire-preventing rolling curtain), etc., the ventilating pipe is a hollow pipe for ventilation, mostly circular or square, the board, section bar and other main finished product materials used for manufacturing and installing the ventilating pipe are in accordance with the regulations of the national current standard of design and related products, the factory inspection proves that the materials are accepted according to the current relevant national standards when entering the field, and the sound-absorbing plate is a device for preventing sound transmission and allowing air flow to pass through and is an important measure for eliminating aerodynamic noise. The silencer is a device for reducing noise, which is arranged on an airflow channel of air power equipment (such as a blower, an air compressor, a boiler exhaust port, a generator, a water pump and other equipment with high noise at an exhaust port) or in an air inlet and exhaust system.
Because the noise reduction effect of the existing ventilation noise reduction device is poor, the ventilation noise reduction device with high noise reduction efficiency for the underground fire-fighting engineering is provided.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing an underground fire control engineering ventilation noise reduction device.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a device of making an uproar falls in underground fire prevention engineering ventilation, includes ventilation return bend A, carousel A, adapter sleeve A, interior pipeline, first acoustic celotex board, heating panel, second acoustic celotex board, carousel B, adapter sleeve B and ventilation return bend B, ventilation return bend A sets up in the top of interior pipeline through adapter sleeve A, carousel A sets up between ventilation return bend A, adapter sleeve A, first acoustic celotex board sets up in the left side of interior pipeline, the heating panel sets up in the surface of interior pipeline, the second acoustic celotex board sets up in the right side of interior pipeline, carousel B sets up between adapter sleeve B, ventilation return bend B passes through adapter sleeve B and sets up in the bottom of interior pipeline.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: and the inner side walls of the ventilation bent pipe A and the ventilation bent pipe B are provided with silencing hole layers.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: the turntable A and the turntable B are connected through a rotating shaft.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: the surface of the heat dissipation plate is provided with a plurality of heat dissipation holes.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: the interior conduit includes ventilation hole, ceramic amortization folded plate and lower ventilation hole, it sets up in the top of interior conduit to go up the ventilation hole, ceramic amortization folded plate sets up in the inside of interior conduit, the ventilation hole sets up in the bottom of interior conduit down.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: the first sound insulation board and the second sound insulation board are both made of foam materials.
The ventilation and noise reduction device for the underground fire-fighting project is characterized in that: the upper vent hole and the lower vent hole are set to be the same model parameters.
The utility model has the advantages that: this adjustable return bend direction of connection of underground fire prevention engineering ventilation noise reduction device for it is high to link up the flexibility ratio, can follow the pipeline inside and outside and carry out the amortization simultaneously, effectively improves the efficiency of making an uproar, has the practicality.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3 is a schematic structural view of the inner pipe of the present invention.
In the figure: 1 ventilation elbow pipe A, 2 turntable A, 3 connecting sleeve A, 4 inner pipelines, 41 upper vent hole, 42 ceramic noise reduction folded plate, 43 lower vent hole, 5 first sound insulation plate, 6 heat dissipation plate, 7 second sound insulation plate, 8 turntable B, 9 connecting sleeve B and 10 ventilation elbow pipe B.
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.
Referring to fig. 1-3, a ventilation and noise reduction device for an underground fire-fighting project includes a ventilation elbow a1, a rotary table a2, a connecting sleeve A3, an inner pipe 4, a first baffle 5, a heat dissipation plate 6, a second baffle 7, a rotary table B8, a connecting sleeve B9 and a ventilation elbow B10, wherein the ventilation elbow a1 is disposed at the top end of the inner pipe 4 through the connecting sleeve A3, the rotary table a2 is disposed between the ventilation elbow a1 and the connecting sleeve A3, the first baffle 5 is disposed at the left side of the inner pipe 4, the heat dissipation plate 6 is disposed on the surface of the inner pipe 4, the second baffle 7 is disposed at the right side of the inner pipe 4, the rotary table B8 is disposed between the connecting sleeve B9 and the ventilation elbow B10, and the ventilation elbow B10 is disposed at the bottom end of the inner pipe.
In the utility model, the inner side walls of the ventilation elbow A1 and the ventilation elbow B10 are provided with silencing hole layers, which is helpful for further silencing treatment; the turntable A2 and the turntable B8 are connected through a rotating shaft, so that the angles of the ventilation bent pipe A1 and the ventilation bent pipe B10 can be adjusted conveniently; the surface of the heat dissipation plate 6 is provided with a plurality of heat dissipation holes, so that ventilation and heat dissipation are facilitated; the inner pipeline 4 comprises an upper vent hole 41, a ceramic silencing folded plate 42 and a lower vent hole 43, the upper vent hole 41 is arranged at the top end of the inner pipeline 4, the ceramic silencing folded plate 42 is arranged inside the inner pipeline 4, the lower vent hole 43 is arranged at the bottom end of the inner pipeline 4, and the upper vent hole 41 and the lower vent hole 43 are set to be the same type parameters, so that the high-efficiency silencing function is achieved; first acoustic celotex board 5, second acoustic celotex board 7 all adopt foam to make, are convenient for inhale the sound.
The utility model discloses a theory of operation is: when the device is used, according to the use requirements, the connection angles of the ventilation bent pipe A1 and the ventilation bent pipe B10 are respectively adjusted through the rotary disc A2 and the rotary disc B8, after the connection is carried out through the inner pipeline 4, ventilation is carried out through the upper vent hole 41 and the lower vent hole 43, the internal silencing treatment is carried out through the ceramic silencing folded plate 42 inside the inner pipeline 4, the silencing treatment of the outer wall is carried out through the first sound insulating plate 5 and the second sound insulating plate 7 outside the inner pipeline 4, and the noise reduction efficiency is improved. The utility model discloses direction is connected to adjustable return bend for it is high to link up the flexibility ratio, can carry out the amortization simultaneously from the pipeline inside and outside, effectively improves the efficiency of making an uproar, has the practicality.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a device of making an uproar falls in ventilation of underground fire prevention engineering, includes ventilation return bend A (1), carousel A (2), adapter sleeve A (3), interior conduit (4), first acoustic celotex board (5), heating panel (6), second acoustic celotex board (7), carousel B (8), adapter sleeve B (9) and ventilation return bend B (10), its characterized in that: ventilation return bend A (1) sets up in the top of interior pipeline (4) through adapter sleeve A (3), carousel A (2) set up between ventilation return bend A (1), adapter sleeve A (3), first acoustic celotex board (5) set up in the left side of interior pipeline (4), heating panel (6) set up in the surface of interior pipeline (4), second acoustic celotex board (7) set up in the right side of interior pipeline (4), carousel B (8) set up between adapter sleeve B (9), ventilation return bend B (10) set up in the bottom of interior pipeline (4) through adapter sleeve B (9).
2. The ventilation and noise reduction device of underground fire-fighting projects according to claim 1, characterized in that: the inner side walls of the ventilation bent pipe A (1) and the ventilation bent pipe B (10) are provided with noise reduction hole layers.
3. The ventilation and noise reduction device of underground fire-fighting projects according to claim 1, characterized in that: and the turntable A (2) and the turntable B (8) are connected through a rotating shaft.
4. The ventilation and noise reduction device of underground fire-fighting projects according to claim 1, characterized in that: the surface of the heat dissipation plate (6) is provided with a plurality of heat dissipation holes.
5. The ventilation and noise reduction device of underground fire-fighting projects according to claim 1, characterized in that: interior pipeline (4) are including last ventilation hole (41), ceramic amortization folded plate (42) and lower ventilation hole (43), it sets up in the top of interior pipeline (4) to go up ventilation hole (41), ceramic amortization folded plate (42) set up in the inside of interior pipeline (4), lower ventilation hole (43) set up in the bottom of interior pipeline (4).
6. The ventilation and noise reduction device of underground fire-fighting projects according to claim 1, characterized in that: the first sound insulation board (5) and the second sound insulation board (7) are both made of foam materials.
7. The ventilation and noise reduction device of underground fire-fighting projects according to claim 5, characterized in that: the upper vent hole (41) and the lower vent hole (43) are set to be the same in type parameter.
CN202021809337.4U 2020-08-26 2020-08-26 Ventilation and noise reduction device for underground fire-fighting engineering Active CN213273048U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021809337.4U CN213273048U (en) 2020-08-26 2020-08-26 Ventilation and noise reduction device for underground fire-fighting engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021809337.4U CN213273048U (en) 2020-08-26 2020-08-26 Ventilation and noise reduction device for underground fire-fighting engineering

Publications (1)

Publication Number Publication Date
CN213273048U true CN213273048U (en) 2021-05-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021809337.4U Active CN213273048U (en) 2020-08-26 2020-08-26 Ventilation and noise reduction device for underground fire-fighting engineering

Country Status (1)

Country Link
CN (1) CN213273048U (en)

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A ventilation and noise reduction device for underground fire engineering

Effective date of registration: 20220110

Granted publication date: 20210525

Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Jianfeng Fire Engineering Co.,Ltd.

Registration number: Y2022980000235

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20221231

Granted publication date: 20210525

Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Jianfeng Fire Engineering Co.,Ltd.

Registration number: Y2022980000235

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A ventilation and noise reduction device for underground fire engineering

Effective date of registration: 20230117

Granted publication date: 20210525

Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Jianfeng Fire Engineering Co.,Ltd.

Registration number: Y2023980031529

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231228

Granted publication date: 20210525

Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Jianfeng Fire Engineering Co.,Ltd.

Registration number: Y2023980031529

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A ventilation and noise reduction device for underground fire protection engineering

Effective date of registration: 20231229

Granted publication date: 20210525

Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Jianfeng Fire Engineering Co.,Ltd.

Registration number: Y2023980075731

PE01 Entry into force of the registration of the contract for pledge of patent right