CN112057957A - Air inlet duct with sand-proof dust-removing and silencing structure - Google Patents
Air inlet duct with sand-proof dust-removing and silencing structure Download PDFInfo
- Publication number
- CN112057957A CN112057957A CN202010991316.7A CN202010991316A CN112057957A CN 112057957 A CN112057957 A CN 112057957A CN 202010991316 A CN202010991316 A CN 202010991316A CN 112057957 A CN112057957 A CN 112057957A
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- Prior art keywords
- air inlet
- sand
- dust
- box main
- proof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Abstract
The utility model provides a take air inlet duct of sand prevention dust removal and sound-absorbing structure, includes air inlet box main part, back shroud, front panel, sand prevention amortization module, prevents bird protection against rodents net, shutter, dust collecting tank, sound absorbing material, air inlet box main part be cavity and the open shell structure of both sides face, back shroud and front panel install the both sides face at the air inlet box main part respectively, sand prevention amortization module install inside the air inlet box main part, the front panel installation side of air inlet box main part still be provided with by the lining outwards and prevent bird protection against rodents net, shutter, the dust collecting tank set up in air inlet box main part bottom. According to the invention, the sand-proof silencing modules arranged in a V shape can realize a larger dust collecting surface on a limited windward side, so that the dust collecting effect is improved, and the dust-proof silencing module is particularly suitable for the field installation of equipment sound-proof covers or machine room air inlets in dusty areas. Reach satisfying the installation condition under certain space size is injectd through the combination of locating position, reach higher sand prevention dust removal's effect through increasing the number of piles.
Description
Technical Field
The invention relates to the technical field of compressors and accessories thereof, in particular to an air inlet duct with a sand-proof dust-removing and silencing structure.
Background
The state builds a lot of large-scale engineering projects in order to develop petroleum, natural gas, various mineral products and coal resources in northwest regions, and in order to reduce civil engineering, many large-scale equipment are installed in the field, because the dry sand wind is too much in desert and gobi climate of the region, the floating soil and coal powder fly, the dust concentration in the air is large, and the particles are tiny, the rough filtration efficiency of the common air filtration system of a lot of equipment in the engineering, such as a compressor, a fan and other mobile equipment, is low and can not meet the requirement of the special environment, the filter element is easy to block, even is punctured, and further the high-precision compressor equipment is damaged, in addition, a large amount of dust enters the compressor, covers on the surface of the equipment and various cooling fins, the heat dissipation is influenced, and the. Moreover, dust enters the electrical control cabinet to cause failure and failure of the electrical instrument, so that shutdown and production halt are caused. The prior art Chinese patent CN207558410U discloses a technology for achieving a sand prevention function by adopting U-shaped plates, wherein the technology forms an air inlet obstacle by buckling the U-shaped plates at different intervals, and blocks large-particle sand dust from entering a sound-proof cover. The technology is based on the principle that the high-speed airflow collides with an obstacle to stall and drops, has an effect on large-particle and large-mass sand particles with the diameter of more than 40 microns, but has a great discount on the separation effect of fine particles, and particularly has no effect on particles with the diameter of about 10 microns, and the section of a U-shaped plate changes greatly, so that the resistance loss is great.
Disclosure of Invention
Aiming at the problems in the production and processing processes of the products, the invention aims to provide the air inlet duct with the sand-proof dust-removing and noise-reducing structure, the air flow is guided by the arc surface to rotate to form a vortex, cyclone separation is formed under the action of centrifugal force, particles of 5-10 micrometers are further separated, and the separation efficiency is improved.
The technical scheme adopted by the invention is as follows: the utility model provides a take air inlet duct of sand prevention dust removal and amortization structure, includes air inlet box main part, back shroud, front panel, sand prevention amortization module, prevents bird protection against rodents net, shutter, dust collecting tank, sound absorbing material, its characterized in that: the air inlet box main part be cavity and open shell structure of both sides face, back shroud and front panel install respectively in the both sides face of air inlet box main part, sand prevention amortization module install inside the air inlet box main part, the front panel installation side of air inlet box main part still be provided with from inside to outside and prevent bird protection against rodents net, shutter, the dust collecting tank set up in air inlet box main part bottom.
As a preferred scheme, the air inlet box main body is of a rectangular shell structure.
As a preferable scheme, the bottom of the air inlet box main body is provided with a dust collecting space, and the dust collecting groove is of a drawer type structure and is arranged in the dust collecting space.
As a preferred scheme, sound absorbing materials are arranged on the inner wall of the air inlet box main body, the inner wall of the rear cover plate and the inner wall of the front panel.
Preferably, the sand-proof and noise-reduction module comprises a retainer, a partition plate, a separating plate and a sound-absorbing material, wherein the partition plate is transversely arranged in the middle of the retainer to divide the retainer into an upper part and a lower part, the sound-absorbing material is arranged at the upper part of the retainer, and the separating plate is longitudinally arranged at the lower part of the retainer.
As a preferred scheme, a gap is reserved between the top of the rear cover plate and the air inlet box main body.
Preferably, the retainer is formed by combining a plurality of frame structures, specifically four frame structures, and two adjacent frame structures form a V-shaped arrangement.
As a preferred scheme, a sand collecting hole is arranged at the position corresponding to each separation plate at the bottom of the retainer, and the sand collecting hole is communicated with the dust collecting space.
As a preferable scheme, the separation plate is a circular arc plate.
Preferably, the intrados of two adjacent separation plates are arranged oppositely and form a circuitous channel.
According to the invention, the sand-proof silencing modules arranged in a V shape can realize a larger dust collecting surface on a limited windward side, so that the dust collecting effect is improved, and the dust-proof silencing module is particularly suitable for the field installation of equipment sound-proof covers or machine room air inlets in dusty areas. According to the size of the intake, the requirement of air dust content, and the injecion of spatial position size, carry out the combination of sand prevention dust removal amortization module, reach intake and resistance loss's requirement through the combination of difference in quantity, reach satisfying the installation condition under certain spatial dimension is injectd through the combination of locating position, reach the effect of higher sand prevention dust removal through increasing the number of piles.
Drawings
FIG. 1 is an exploded view of an air intake duct with a sand control, dust removal and sound attenuation structure in accordance with the present invention;
FIG. 2 is a front view of an air intake duct with a sand control, dust removal and sound attenuation structure in accordance with the present invention;
FIG. 3 is a sectional view of an air intake duct A-A with a sand control, dust removal and sound attenuation structure in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of a sand control and sound reduction module of the present invention;
fig. 6 is a rear isometric view of an air inlet duct with a sand control, dust removal, and sound attenuation feature of the present invention.
In the figure: 1 bellows main part, 2 back shroud, 3 front panels, 4 sand prevention amortization modules, 5 bird prevention protection against rodents net, 6 shutter, 7 dust collecting tank, 8 sound absorbing material.
Detailed Description
Example (b): as shown in fig. 1 to 6, a schematic view of an air intake duct with a sand-proof, dust-removing and noise-reducing structure comprises an air intake box main body 1, a rear cover plate 2, a front panel 3, a sand-proof, noise-reducing module 4, a bird-proof, rat-proof net 5, a louver 6, a dust collecting tank 7 and a sound-absorbing material 8, wherein the air intake box main body 1 is a hollow rectangular shell structure with two open sides, the rear cover plate 2 and the front panel 3 are respectively installed on two sides of the air intake box main body 1, the sand-proof, noise-reducing module 4 is installed inside the air intake box main body 1, the bird-proof, rat-proof net 5 and the louver 6 are further installed on the installation side of the front panel 3 of the air intake box main body 1 from inside to outside, the bird-proof, rat-proof net 5 is a latticed metal net to prevent organisms such as birds and rats from entering the interior to cause damage, the louver 6 can prevent, the inner wall of the air inlet box main body 1, the inner wall of the rear cover plate 2 and the inner wall of the front panel 3 are all provided with sound absorption materials 8, and a gap is reserved between the top of the rear cover plate 2 and the air inlet box main body 1 and is an air outlet after dust removal and sand removal.
Further, the sand-proof silencing module 4 comprises a holder 41, the holder 41 is formed by combining a plurality of frame structures 411, specifically, four frame structures 411, two adjacent frame structures 411 are arranged in a V-shape, a partition plate 42 is transversely arranged in the middle of the holder 41 to divide the holder 41 into an upper part and a lower part, wherein the upper part of the holder 41 is provided with a sound-absorbing material 8, and the lower part of the holder 41 is longitudinally provided with a separation plate 43.
Furthermore, a sand collecting hole 412 is formed at a position corresponding to each circular arc-shaped separating plate 43 at the bottom of the holder 41, and the sand collecting holes 412 are communicated with the dust collecting space 11.
Further, the intrados of two adjacent separation plates 43 are oppositely arranged and form a circuitous channel.
The specific sand-proof dust removal process comprises the following steps:
first, first-stage separation, as shown in fig. 3 and 4, the arrow direction in the figure is the air flowing direction, when air containing sand and dust is sucked into the air inlet box from the louver 6, because the blades of the louver 6 have a certain angle, the airflow is subjected to first-stage collision separation at the louver, and a part of coarse-grained sand is stalled and falls at the position, so that pre-separation is realized, damage of large-grained sand to the subsequent arc separation plate 43 separation plate is avoided, and meanwhile, the louver 6 also has the rainproof function in rainy days.
Secondly, the second grade separation, the air current continues to get into air inlet box lower half, because sand prevention amortization module 4 arranges with the V type, has increased air inlet surface area increase amount of wind in certain width within range, according to the size of the amount of wind and the angle and the quantity of the injecing determination V type of width, the air current bumps the circular arc separating plate 43 of inside and outside two-layer respectively, realizes collision separation again, falls the sand grain of remaining large granule, and the sand grain falls into in the dust collecting tank 7 that is in dust collecting space 11 through collection sand hole 412.
Thirdly, tertiary cyclone separation, the air current after the collision rotates under the guide of the arc surface of the separating plate 43, the roundabout channel formed by the inner arc surfaces of the two adjacent separating plates 43 forms a vortex, cyclone separation is formed under the action of centrifugal force, fine sand particles and dust fall down through the inner wall of the separating plate 43 under the action of cyclone separation and fall into the dust collecting groove 7 through the sand collecting hole 412, and the dust in the dust collecting groove 7 is regularly pulled open, collected and cleaned, so that secondary pollution is avoided.
Fourthly, the clean air after the cyclone separation flows upwards along the space formed by the back of the sand prevention dust removal silencing module 4, the space is suddenly increased, the flow velocity is reduced, the noise is reduced, and meanwhile, the noise is reduced through the silencing effect of the air inlet box and the silencing material 8 on the sand prevention dust removal silencing module 4, so that the wind noise entering the next-stage device is greatly reduced.
According to the invention, through twice collision separation and once cyclone separation, most of large particles with the particle size of more than 40 microns in the air are separated, and most of particles with the particle size of 5-10 microns are separated, so that the noise entering a subsequent sound-proof shield or a machine room is reduced, and meanwhile, the air filter of the equipment sucks the treated air, so that the blocking probability is greatly reduced, the resistance loss is reduced, the service life of a filter element is prolonged, the power consumption of the equipment is reduced, and the equipment failure risk is reduced.
The present invention is not limited to the above-described embodiments, which are described only for the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (12)
1. The utility model provides a take air inlet duct of sand prevention dust removal and sound-deadening structure, includes air inlet box main part (1), back shroud (2), front panel (3), sand prevention amortization module (4), prevents that bird protection against rodents net (5), shutter (6), dust collecting tank (7), sound absorbing material (8), its characterized in that: the air inlet box main part (1) be cavity and the open shell structure of both sides face, back shroud (2) and front panel (3) install the both sides face in air inlet box main part (1) respectively, sand prevention amortization module (4) install inside air inlet box main part (1), front panel (3) installation side of air inlet box main part (1) from the lining outwards still be provided with prevent bird protection against rodents net (5) and shutter (6), dust collecting tank (7) set up in air inlet box main part (1) bottom.
2. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the air inlet box main body (1) is of a rectangular shell structure.
3. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the bottom of the air inlet box main body (1) is provided with a dust collecting space (11).
4. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the dust collecting groove (7) is of a drawer type structure and is arranged in the dust collecting space (11).
5. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the air inlet box main part (1) inner wall, back shroud (2) inner wall and front panel (3) inner wall all be provided with sound absorbing material (8).
6. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: a gap is reserved between the top of the rear cover plate (2) and the air inlet box main body (1).
7. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the sand-proof silencing module (4) comprises a retainer (41), a partition plate (42) and a separating plate (43), wherein the partition plate (42) is transversely arranged in the middle of the retainer (41) to divide the retainer (41) into an upper part and a lower part, the upper part of the retainer (41) is provided with a sound-absorbing material (8), and the lower part of the retainer (41) is longitudinally provided with the separating plate (43).
8. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 7, wherein: the retainer (41) is formed by combining a plurality of frame structures (411), specifically four frame structures (411), and two adjacent frame structures (411) are arranged in a V shape.
9. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 7 or 8, wherein: and sand collecting holes (412) are formed in the positions, corresponding to the separating plates (43), of the bottom of the retainer (41).
10. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 9, wherein: the sand collecting hole (412) is communicated with the dust collecting space (11).
11. An air inlet duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 1, wherein: the separating plate (43) is a circular arc plate.
12. An air intake duct with sand-proof, dust-removing and noise-reducing structure as claimed in claim 11, wherein: the intrados of two adjacent separating plates (43) are oppositely arranged and form a circuitous channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991316.7A CN112057957A (en) | 2020-09-20 | 2020-09-20 | Air inlet duct with sand-proof dust-removing and silencing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991316.7A CN112057957A (en) | 2020-09-20 | 2020-09-20 | Air inlet duct with sand-proof dust-removing and silencing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112057957A true CN112057957A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010991316.7A Pending CN112057957A (en) | 2020-09-20 | 2020-09-20 | Air inlet duct with sand-proof dust-removing and silencing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112057957A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742120A (en) * | 2020-12-25 | 2021-05-04 | 苏州市腾中钛设备制造有限公司 | Low-noise cyclone high-efficiency separator |
| CN114484689A (en) * | 2022-02-21 | 2022-05-13 | 上海震业环境科技有限公司 | Sand removing device |
| CN114704704A (en) * | 2022-04-26 | 2022-07-05 | 山东金特空调设备有限公司 | Air duct structure with energy-saving, environment-friendly and noise-reducing functions |
-
2020
- 2020-09-20 CN CN202010991316.7A patent/CN112057957A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742120A (en) * | 2020-12-25 | 2021-05-04 | 苏州市腾中钛设备制造有限公司 | Low-noise cyclone high-efficiency separator |
| CN114484689A (en) * | 2022-02-21 | 2022-05-13 | 上海震业环境科技有限公司 | Sand removing device |
| CN114484689B (en) * | 2022-02-21 | 2024-04-05 | 上海震业环境科技有限公司 | Sand removing device |
| CN114704704A (en) * | 2022-04-26 | 2022-07-05 | 山东金特空调设备有限公司 | Air duct structure with energy-saving, environment-friendly and noise-reducing functions |
| CN114704704B (en) * | 2022-04-26 | 2022-11-18 | 山东金特空调设备有限公司 | Air duct structure with energy-saving, environment-friendly and noise-reducing functions |
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