CN212318391U - High pressure positive blower device of making an uproar falls gives sound insulation - Google Patents

High pressure positive blower device of making an uproar falls gives sound insulation Download PDF

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Publication number
CN212318391U
CN212318391U CN202020834727.0U CN202020834727U CN212318391U CN 212318391 U CN212318391 U CN 212318391U CN 202020834727 U CN202020834727 U CN 202020834727U CN 212318391 U CN212318391 U CN 212318391U
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China
Prior art keywords
sound
pressure fan
flow guide
box
proof housing
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CN202020834727.0U
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Chinese (zh)
Inventor
张海红
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Airade Machine Tool Co ltd
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Airade Machine Tool Co ltd
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Priority to CN202020834727.0U priority Critical patent/CN212318391U/en
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Abstract

The utility model discloses a sound-insulation noise-reduction high-pressure fan device, which comprises a high-pressure fan and a sound-proof shield, wherein the high-pressure fan is arranged inside the sound-proof shield, the bottom of the sound-proof shield is supported by at least two I-shaped steels, and when in actual application, the base of the high-pressure fan can be connected with the I-shaped steels through bolts; the left end face of the sound-proof housing is provided with two air inlet windows, an air inlet of a high-pressure fan positioned in the sound-proof housing faces the right end face of the sound-proof housing, a flow guide box is installed at the air inlet of the high-pressure fan, flow guide inlets are respectively arranged on two sides of the flow guide box, a flow guide outlet is arranged at the left end of the flow guide box, and the flow guide outlet of the flow guide box is connected with the air inlet of the high-pressure fan; the utility model discloses can guarantee that high pressure positive blower operational environment temperature can not rise, can have certain syllable-dividing again and fall the function of making an uproar, effectively reduce the pollution of the internal and external environment of equipment noise.

Description

High pressure positive blower device of making an uproar falls gives sound insulation
Technical Field
The utility model relates to a high pressure positive blower device of making an uproar falls gives sound insulation belongs to high pressure positive blower technical field.
Background
The industrial fan is a continuous operation device, the noise emitted by the fan during operation can reach 100 decibels, especially the high-pressure fan with higher outlet pressure has the rotation speed of 15000 to 30000 turns, and the noise radiated outwards during operation is larger; the high-pressure fan generates strong noise during operation, which seriously affects the silence of the surrounding environment, thereby not only hindering the normal communication and language conversation in a workshop and bringing certain influence to the safety production; but also can cause serious interference to the rest of the residents around, the office workers and the class of the school; the main harm of strong noise to human body not only damages auditory system, but also seriously affects language ability; if the noise elimination measure is not adopted, the noise of the fan greatly exceeds the requirement of the sound environment standard, so that the noise reduction device is a necessary device in the actual operation of the fan; the fan noise mainly comprises three parts, namely air inlet pipeline vibration noise, motor operation noise and high-speed exhaust noise; in actual use, the air outlet of the fan is often connected with a silencer and then discharged to a corresponding pipeline, most of the air inlet and outlet pipelines are protected by silencing cotton, but the noise generated by motor noise and high-speed operation is still large, if the high-pressure fan is simply used for sound insulation and noise reduction outside the high-pressure fan, the temperature generated by the high-pressure fan during working cannot be dissipated, the operating environment of the high-pressure fan is heated, the temperature rise of the motor is caused, and the operating efficiency is reduced.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides a give sound insulation and fall high pressure positive blower device of making an uproar can guarantee that high pressure positive blower operational environment temperature can not rise, can have certain syllable-dividing again and fall the function of making an uproar, effectively reduces the pollution of the internal and external environment of equipment noise.
The utility model discloses the technical scheme who adopts does:
the utility model provides a give sound insulation and fall high pressure positive blower device of making an uproar, includes high pressure positive blower and sound-proof housing, high pressure positive blower installs inside the sound-proof housing, the sound-proof housing bottom is supported through two at least I-steel, be provided with two air inlet windows on the left end terminal surface of sound-proof housing, be located the air intake of the inside high pressure positive blower of sound-proof housing towards sound-proof housing right-hand member terminal surface, install the baffle box in high pressure positive blower's air intake department, the both sides of baffle box are provided with the water conservancy diversion entry respectively, the left end of baffle box is provided with the water conservancy diversion export, the water.
As a further preferred aspect of the present invention, the flow guide inlet of the flow guide box is a rectangular opening, and the flow guide outlet of the flow guide box is a circular opening connected with the high pressure fan air inlet in a matching manner.
As the utility model discloses a further preferred, the inside of flow guide box is provided with the water conservancy diversion post of triangular prism shape structure, and the water conservancy diversion post is vertical to be installed on keeping away from the flow guide box inside wall of water conservancy diversion export one side, and the water conservancy diversion post is located the intermediate position between two water conservancy diversion entrys of flow guide box.
As the utility model discloses a further preferred, be provided with arc guide plate in the inside corner of sound-proof housing that is close to draft box water conservancy diversion entrance.
As a further preferred aspect of the present invention, the air inlet window is a louver, the blades of the louver are vertically arranged, and a flannelette layer is disposed on the surface of each blade.
As a further preferred aspect of the present invention, the cover wall of the soundproof cover has a multilayer composite structure including an outer metal plate and an inner metal plate with holes, and a sound-deadening material layer is provided between the outer metal plate and the inner metal plate with holes.
The beneficial effects of the utility model reside in that: when the high-pressure fan works, air outside the sound-proof housing enters the sound-proof housing through the air inlet window, then flows around the high-pressure fan body from left to right, carries away heat generated during the work of the high-pressure fan, and enters the air inlet of the high-pressure fan through the flow guide box, and outlet air of the high-pressure fan passes through the side wall of the sound-proof housing through a pipeline and then is communicated with an external air pipe; the wall of the sound-proof shield adopts a multilayer composite structure and comprises an outer layer metal plate and an inner layer metal plate with holes, and a sound-deadening material layer is arranged between the outer layer metal plate and the inner layer metal plate with holes; the high-pressure fan is used for absorbing noise generated when the high-pressure fan works; therefore, the high-pressure fan can be ensured not to rise in operating environment temperature, and has certain sound insulation and noise reduction functions, and the pollution of the noise of equipment to the internal and external environments is effectively reduced.
Drawings
FIG. 1 is a schematic view of the internal side structure of the present invention;
FIG. 2 is a schematic view of the air flow direction when the inside of the utility model is overlooked;
FIG. 3 is a schematic view of the structure of the inlet side end face of the sound-proof housing of the present invention;
FIG. 4 is a schematic view of the front structure of the diversion box of the present invention;
fig. 5 is a schematic side view of the diversion box of the present invention;
FIG. 6 is a schematic view of the structure of the enclosure wall of the sound-proof enclosure of the present invention;
the main reference numerals in the figures have the following meanings:
1-sound-proof shield, 2-I-steel, 3-guide box, 31-guide inlet, 32-guide outlet, 4-guide column, 5-guide plate, 6-air inlet window, 7-outer layer metal plate, 8-inner layer perforated metal plate and 9-silencing material layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-6: the embodiment is a sound-insulation noise-reduction high-pressure fan device, which comprises a high-pressure fan and a sound-insulation cover 1, wherein the high-pressure fan is arranged inside the sound-insulation cover 1, the bottom of the sound-insulation cover 1 is supported by two I-shaped steels 2, a base of the high-pressure fan is connected with the I-shaped steels 2 through bolts in actual application, and the number of the I-shaped steels 2 can be more; the left end face of the sound-proof housing 1 is provided with two air inlet windows 6, an air inlet of a high-pressure fan located inside the sound-proof housing 1 faces the right end face of the sound-proof housing 1, a flow guide box 3 is installed at the air inlet of the high-pressure fan, flow guide inlets 31 are respectively arranged on two sides of the flow guide box 3, a flow guide outlet 32 is arranged at the left end of the flow guide box 3, and the flow guide outlet 32 of the flow guide box 3 is connected with the air inlet of the high-pressure fan.
In this embodiment, the flow guiding inlet 31 of the flow guiding box 3 is a rectangular opening, and the flow guiding outlet 32 of the flow guiding box 3 is a circular opening that is connected with the air inlet of the high pressure fan in a matching manner.
In this embodiment, the inside of flow guide box 3 is provided with guide column 4 of triangular prism shape structure, and guide column 4 is vertical to be installed on keeping away from flow guide box 3 inside wall of water conservancy diversion export 32 one side, and guide column 4 is located the intermediate position between two water conservancy diversion entrances 31 of flow guide box 3.
In the embodiment, the arc-shaped guide plate 5 is arranged at the corner inside the sound-proof housing 1 close to the guide inlet 31 of the guide box 3; the air guide plate is used for guiding the flow and facilitating the air flow.
The air inlet window 6 in this embodiment is a louver, the blades of which are vertically arranged, and the surfaces of the blades are provided with flannelette layers.
In this embodiment, the cover wall of the soundproof cover 1 adopts a multilayer composite structure, and includes an outer layer metal plate 7 and an inner layer perforated metal plate 8, and a silencing material layer 9 is arranged between the outer layer metal plate 7 and the inner layer perforated metal plate 8; in practical application, the sound-proof housing 1 is formed by splicing a plurality of frameworks and housing walls, so that the sound-proof housing is convenient to disassemble and assemble, and the high-pressure fan is convenient to overhaul and maintain.
When the high-pressure fan works, air outside the sound-proof shield enters the sound-proof shield through the air inlet window, then flows from left to right around the high-pressure fan body, takes away heat generated during the work of the high-pressure fan, and then enters the air inlet of the high-pressure fan through the flow guide box, and outlet air of the high-pressure fan passes through the side wall of the sound-proof shield through a pipeline and then is communicated with an external air pipe; the wall of the sound-proof shield adopts a multilayer composite structure and comprises an outer layer metal plate and an inner layer metal plate with holes, and a sound-deadening material layer is arranged between the outer layer metal plate and the inner layer metal plate with holes; the high-pressure fan is used for absorbing noise generated when the high-pressure fan works; therefore, the high-pressure fan can be ensured not to rise in operating environment temperature, and has certain sound insulation and noise reduction functions, and the pollution of the noise of equipment to the internal and external environments is effectively reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a high pressure positive blower device of making an uproar falls gives sound insulation which characterized in that: including high pressure positive blower and sound-proof housing, high pressure positive blower installs inside the sound-proof housing, the sound-proof housing bottom supports through two at least I-steel, be provided with two air inlet windows on the left end terminal surface of sound-proof housing, be located the air intake of the inside high pressure positive blower of sound-proof housing towards sound-proof housing right-hand member terminal surface, install the baffle box in high pressure positive blower's air intake department, the both sides of baffle box are provided with the water conservancy diversion entry respectively, the left end of baffle box is provided with the water conservancy diversion export, the water conservancy diversion export of baffle box and high pressure positive blower's air.
2. The sound-insulation noise-reduction high-pressure fan device as claimed in claim 1, wherein the flow guide inlet of the flow guide box is a rectangular opening, and the flow guide outlet of the flow guide box is a circular opening which is in fit connection with the air inlet of the high-pressure fan.
3. The sound-insulation noise-reduction high-pressure fan device as claimed in claim 1, wherein the inside of the guide box is provided with a guide column in a triangular prism structure, the guide column is vertically installed on the inner side wall of the guide box on the side far away from the guide outlet, and the guide column is located in the middle position between the two guide inlets of the guide box.
4. The sound-insulation noise-reduction high-pressure fan device as claimed in claim 1, wherein an arc-shaped guide plate is arranged at a corner of the inside of the sound-insulation cover near the flow guide inlet of the flow guide box.
5. The sound-insulation noise-reduction high-pressure fan device as claimed in claim 1, wherein the air inlet window is a louver, blades of the louver are vertically arranged, and a flannelette layer is arranged on the surfaces of the blades.
6. The sound-insulation noise-reduction high-pressure fan device according to claim 1, wherein the cover wall of the sound-insulation cover is of a multilayer composite structure and comprises an outer layer metal plate and an inner layer perforated metal plate, and a noise-elimination material layer is arranged between the outer layer metal plate and the inner layer perforated metal plate.
CN202020834727.0U 2020-05-19 2020-05-19 High pressure positive blower device of making an uproar falls gives sound insulation Active CN212318391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020834727.0U CN212318391U (en) 2020-05-19 2020-05-19 High pressure positive blower device of making an uproar falls gives sound insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020834727.0U CN212318391U (en) 2020-05-19 2020-05-19 High pressure positive blower device of making an uproar falls gives sound insulation

Publications (1)

Publication Number Publication Date
CN212318391U true CN212318391U (en) 2021-01-08

Family

ID=74024323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020834727.0U Active CN212318391U (en) 2020-05-19 2020-05-19 High pressure positive blower device of making an uproar falls gives sound insulation

Country Status (1)

Country Link
CN (1) CN212318391U (en)

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