CN212318394U - Air inlet noise reduction device of ventilator - Google Patents
Air inlet noise reduction device of ventilator Download PDFInfo
- Publication number
- CN212318394U CN212318394U CN202021009641.0U CN202021009641U CN212318394U CN 212318394 U CN212318394 U CN 212318394U CN 202021009641 U CN202021009641 U CN 202021009641U CN 212318394 U CN212318394 U CN 212318394U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- air
- shell
- air inlet
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a ventilation blower device of making an uproar that falls that admits air, includes shell, air intake, air outlet, deflector, its characterized in that: the shell is provided with two air inlets which are respectively arranged at two sides of the shell, the shell is provided with an air outlet, a guide plate is arranged in the shell, the air inlet direction is deflected in degree under the action of the guide plate, the air inlet direction is perpendicular to the air outlet direction, and the air outlet is connected with a fan; a filter screen is arranged on the air inlet, the filter screen comprises an outer frame, a primary filter screen and a secondary filter screen, the primary filter screen and the secondary filter screen can be detached, cleaned and replaced, and a section of gap is formed between the primary filter screen and the secondary filter screen and used for accommodating deposited particles; the outer frame is provided with a handle, so that the installation is convenient; the beneficial effects are that: the fan air inlet is equipped with air filter, can prevent that the dust from getting into in the pit, and the direction gets into from both sides moreover, and the air inlet area is big, and only the wind speed is low, and noise greatly reduced gives the healthy operational environment that the staff built in the pit, does not influence fan efficiency moreover.
Description
Technical Field
The utility model relates to a mine ventilation equipment, concretely relates to ventilation blower device of making an uproar that falls admits air.
Background
The underground local ventilator for the coal mine is one of important devices in a ventilation system, is equivalent to the lung of a mine tunneling working face, has no air filtering device at the air inlet of the conventional ventilator and high noise, causes great harm to the health of underground workers, and influences the efficiency of the ventilator due to the fact that the filtering device is additionally arranged in front of the conventional ventilator.
Disclosure of Invention
The utility model aims at providing a ventilation blower noise reduction device that admits air in order to overcome prior art not enough.
In order to realize the above purpose the utility model adopts the technical scheme that:
the utility model provides a ventilation blower device of making an uproar that falls that admits air, includes shell, air intake, air outlet, deflector, its characterized in that: the shell is provided with two air inlets which are respectively arranged at two sides of the shell, the shell is provided with an air outlet, a guide plate is arranged in the shell, the air inlet direction is deflected in degree under the action of the guide plate, the air inlet direction is perpendicular to the air outlet direction, and the air outlet is connected with a fan; a filter screen is arranged on the air inlet, the filter screen comprises an outer frame, a primary filter screen and a secondary filter screen, the primary filter screen and the secondary filter screen can be detached, cleaned and replaced, and a section of gap is formed between the primary filter screen and the secondary filter screen and used for accommodating deposited particles; the outer frame is provided with a handle which is convenient for installation.
The ventilator intake noise reduction device according to the above, characterized in that: the inner side of the air outlet is provided with a flow guiding slope so as to reduce wind resistance.
Compared with the prior art, the beneficial effects of the utility model are that: the fan air inlet is equipped with air filter, can prevent that the dust from getting into in the pit, and the direction gets into from both sides moreover, and the air inlet area is big, and only the wind speed is low, and noise greatly reduced gives the healthy operational environment that the staff built in the pit, does not influence fan efficiency moreover.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a ventilator intake noise reduction device (U-shaped) of the present invention;
FIG. 2 is a horizontal cross-sectional view of FIG. 1;
fig. 3 is a schematic structural view of an embodiment 2 of the air inlet noise reduction device (square) of the ventilator of the present invention;
FIG. 4 is a horizontal cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the filter net;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a cross-sectional view of the secondary screen 10;
fig. 9 is a cross-sectional view of the primary strainer 9.
Description of the drawing symbols: 1. A housing; 2. An air inlet; 3. An air outlet; 4. A guide plate; 5. Air inlet direction; 6. wind outlet direction; 7. a filter screen; 8. an outer frame; 9. a first-stage filter screen; 10. a second-stage filter screen; 11. a diversion slope; 12. a handle.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
Fig. 1 is the structure schematic diagram of the utility model discloses ventilation blower air inlet noise reduction device (U-shaped) embodiment, fig. 2 is the horizontal cross section of fig. 1, the utility model discloses ventilation blower air inlet noise reduction device, including shell 1, air intake 2, air outlet 3, deflector 4, its characterized in that: the shell 1 is provided with two air inlets 2 which are respectively arranged at two sides of the shell 1, the shell 1 is provided with an air outlet 3, a guide plate 4 is arranged in the shell 1, an air inlet direction 5 deflects by 90 degrees under the action of the guide plate 4, the air inlet direction 5 is vertical to an air outlet direction 6, and the air outlet 3 is connected with a fan; the air inlet 2 is provided with a filter screen 7, fig. 5 to 8 are schematic structural diagrams of the filter screen, the filter screen 7 comprises an outer frame 8, a first-stage filter screen 9, a second-stage filter screen 10, the first-stage filter screen 9 and the second-stage filter screen 10 can be detached, cleaned and replaced, G2 coarse-effect non-woven fabric can be used as the first-stage filter screen 9, G4 middle-effect non-woven fabric can be used as the second-stage filter screen 10, the non-woven fabric is laid into a uniform-height pleated shape, air can rapidly pass through the non-woven fabric with small resistance, a gap is formed between the first-stage filter screen 9 and the second-stage filter screen; the outer frame 8 is provided with a handle 12 for convenient installation.
Example 2
Fig. 3 is a schematic structural diagram of an embodiment of a ventilator air intake noise reduction device (square) of the present invention, fig. 4 is a horizontal cross-sectional view of fig. 3, and the ventilator air intake noise reduction device according to embodiment 1 is characterized in that: the inner side of the air outlet 3 is provided with a flow guiding slope 11 to reduce wind resistance.
The utility model discloses the fan air inlet is equipped with air filter, can prevent that the dust from getting into in the pit, and the direction gets into from both sides moreover, and the air inlet area is big, and only the wind speed is low, and noise greatly reduced gives the healthy operational environment that the staff built in the pit, does not influence fan efficiency moreover.
Claims (2)
1. The utility model provides a ventilation blower device of making an uproar that falls that admits air, includes shell, air intake, air outlet, deflector, its characterized in that: the shell is provided with two air inlets which are respectively arranged at two sides of the shell, the shell is provided with an air outlet, a guide plate is arranged in the shell, the air inlet direction is deflected in degree under the action of the guide plate, the air inlet direction is perpendicular to the air outlet direction, and the air outlet is connected with a fan; a filter screen is arranged on the air inlet, the filter screen comprises an outer frame, a primary filter screen and a secondary filter screen, the primary filter screen and the secondary filter screen can be detached, cleaned and replaced, and a section of gap is formed between the primary filter screen and the secondary filter screen and used for accommodating deposited particles; the outer frame is provided with a handle which is convenient for installation.
2. A ventilator intake noise reduction device according to claim 1, wherein: the inner side of the air outlet is provided with a flow guiding slope so as to reduce wind resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009641.0U CN212318394U (en) | 2020-06-05 | 2020-06-05 | Air inlet noise reduction device of ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009641.0U CN212318394U (en) | 2020-06-05 | 2020-06-05 | Air inlet noise reduction device of ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318394U true CN212318394U (en) | 2021-01-08 |
Family
ID=74025072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021009641.0U Active CN212318394U (en) | 2020-06-05 | 2020-06-05 | Air inlet noise reduction device of ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318394U (en) |
-
2020
- 2020-06-05 CN CN202021009641.0U patent/CN212318394U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206593279U (en) | A kind of computer room air intake dust guard | |
| CN104548776B (en) | Industrial dust collector with improved structure | |
| CN104548800B (en) | Industrial dust collector | |
| CN110566265A (en) | Coal mine underground gas circulating pumping and draining system | |
| CN109260858A (en) | Modularization air intake guide device and modularization duster system | |
| CN212318394U (en) | Air inlet noise reduction device of ventilator | |
| CN206332334U (en) | A kind of box-type substation rain-proof dust-proof shutter | |
| CN111577673A (en) | Air inlet noise reduction device of ventilator | |
| CN207192348U (en) | A kind of bag-pack cement loading machine dust arrester installation dust gathering arrester | |
| CN206366552U (en) | A kind of umbrella shape latasuture drawing-in type dust shield | |
| CN108844210B (en) | Filter assembly of fresh air system | |
| CN107842985A (en) | A kind of New-air purifying system filter | |
| CN211659597U (en) | Underground coal mine ventilation and dust removal device | |
| CN210866860U (en) | Energy-conserving dustproof electric power cabinet of low pressure | |
| CN202962181U (en) | Filter or dust collector air-flow inlet two-order diffusion apparatus | |
| CN202751908U (en) | Dust collection device of slagging system of boiler | |
| CN102211088B (en) | Roof natural-ventilation deduster | |
| CN219251961U (en) | Construction dust collector for building construction | |
| CN211474159U (en) | Tunnel trades wind dustproof system | |
| CN211400270U (en) | Sand filter of air conditioner air supply unit | |
| CN216669905U (en) | A environment measuring device for dust environment | |
| CN210772657U (en) | Formula ventilation device is inhaled outward in workshop | |
| CN212760273U (en) | Novel exhaust hood | |
| CN216935162U (en) | Floor type air filter with waterproof function for environmental protection equipment | |
| CN210964363U (en) | Dust recovery purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |