CN203856498U - Directional dust removal fan used for shaft - Google Patents
Directional dust removal fan used for shaft Download PDFInfo
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- CN203856498U CN203856498U CN201420284012.7U CN201420284012U CN203856498U CN 203856498 U CN203856498 U CN 203856498U CN 201420284012 U CN201420284012 U CN 201420284012U CN 203856498 U CN203856498 U CN 203856498U
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- air duct
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Abstract
The utility model discloses a directional dust removal fan used for a shaft. The directional dust removal fan used for the shaft comprises an air duct, a centrifugal fan, a suction duct and an air spraying duct; one end of the air duct is communicated with the suction duct, the suction duct is sleeved with the air spraying duct, an annular channel is formed between the suction duct and the air spraying duct, the annular channel is internally provided with a spiral guide plate, the other end of the air duct is communicated with an air inlet of the centrifugal fan, and an air outlet of the centrifugal fan is communicated with the annular channel. The directional dust removal fan used for the shaft can carry out directional suction on air with high-concentration dust at a long distance, is flexible to use and can well assist in ventilation dust removal and spray aspirating.
Description
Technical field
The utility model belongs to mine dedusting technology field, is specifically related to a kind of mine eddy flow directional type dedusting fan.
Background technology
Coal mine evacuation working face dedusting technology, has dust removal by ventilation, atomizing de-dusting and utilizes cleaner dedusting.Dust removal by ventilation and atomizing de-dusting are the technical measures that < < safety regulations in coal mine > > requires, it is the basic demand that coal mine evacuation working face is produced, due to varying of site work environment, these two technical measures can not thoroughly solve the work plane dust problem that transfinites.For miner's occupational health is healthy, need, colliery scene is generally all equipped with special cleaner, adopts special equipment dedusting can not affect environment on coalface, more and more by on-the-spot, is paid attention to.Current domestic driving face in coal mine cleaner is mainly Wet-type dust-removal fan.As typical KCS series Wet-type dust-removal fan, 18.5KW-I wet-type dust removal fan for mine adopts boss type structure design screen pack, dwindles the diameter of deduster.Adopt the integrated structure design of draught fan matching and diversion section, the volume that has reduced the length of deduster and alleviated deduster.But, this blower fan adopts centrifugal cyclone dedusting dehydration technique, causes work plane moisture content large; In addition,, in the poor situation of coal mine dedusting water water quality, can there is the problem of obstruction in nozzle.
Wet-type dust removal fan for mine is in application process, there are the following problems: 1, the inlet scoop of existing dedusting fan is circular air duct mouth, utilize suction function to suck near the air of air duct mouth, if air duct mouth distance is distant containing high concentrate dust air, cannot be drawn in air duct; 2, existing Wet-type dust-removal fan, its dust removal mechanism is after dust laden air enters in air duct, by a water spray casing, by the wetting and flushing action of fine water droplet, dust is separated from air.Yet the air of separated dust but contains a large amount of steam, when again flowing out from portable blower, can make headwork surface humidity increase.The air flowing out from Wet-type dust-removal fan, has certain speed, and fan brings kinetic energy rejection, reduces machine operating efficiency.
Integrate, wet-type dust removal fan for mine exists above-mentioned several respects not enough at present, unsatisfactory in mine application situation, need to carry out method and technical elements research and innovation.For problem above, in conjunction with ventilating dust-removing technology state of development both at home and abroad at present, respectively from ventilation dust suction scope, to the dust removing method of collecting and reduce the aspects such as energy consumption and improve.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of mine eddy flow directional type dedusting fan is provided.This dedusting fan can be adjusted the distance and far away containing high concentrate dust air, be carried out orientation suction, uses more flexibly, can carry out good assisting to dust removal by ventilation and atomizing de-dusting.
For achieving the above object, the technical solution adopted in the utility model is: the directed dedusting fan of a kind of mine, is characterized in that: comprise air duct, centrifugal blower, wind sucting tube and spray air duct; One end of described air duct is communicated with wind sucting tube, and described spray air duct is set in the outside of wind sucting tube, and looping passage between described wind sucting tube and spray air duct, is provided with for making air form the spiral deflector of eddy flow in described circular passage; The other end of described air duct is connected with the air intake of centrifugal blower, and the air outlet of described centrifugal blower is connected with described circular passage.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: the outboard end of described wind sucting tube stretches out spray air duct.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: described wind sucting tube and spray air duct are tubaeform that outboard end is large, medial extremity is little.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: shrink gradually to the side away from centrifugal blower described circular passage.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: comprise air stabilizator, one end of described air stabilizator is connected with circular passage, and the other end of described air stabilizator is connected with the air outlet of centrifugal blower.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: in described air duct, be provided with the dust filtration device for filtering entering the air of air duct.
The above-mentioned directed dedusting fan of a kind of mine, it is characterized in that: described dust filtration device comprises roll guard, protective screening and filter membrane, described protective screening is arranged between roll guard and described filter membrane, and described filter membrane is arranged on protective screening away from a side of centrifugal blower.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: on described air duct and the both sides that are positioned at dust filtration device are provided with the piezometer tube for being connected with differential manometer.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: described air duct comprises the first rigidity air duct section, the second rigidity air duct section, the 3rd rigidity air duct section, the first flexible air duct section and the second flexible air duct section; One end of described the first flexible air duct section is connected with one end of the first rigidity air duct section, the other end of described the first flexible air duct section is connected with one end of the second rigidity air duct section, and the other end of described the second rigidity air duct section is connected with the medial extremity of spray air duct with wind sucting tube; The other end of described the first rigidity air duct section is connected with one end of the second flexible air duct section, the other end of described the second flexible air duct section is connected with one end of the 3rd rigidity air duct section, and the other end of described the 3rd rigidity air duct section is connected with the air intake of centrifugal blower.
The above-mentioned directed dedusting fan of a kind of mine, is characterized in that: in described the second rigidity air duct section, be provided with for preventing that the gas in circular passage from entering the joint ring of the second rigidity air duct section.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design.
2, the utility model forms eddy flow by spiral deflector to the positive pressure air entering in circular passage.Rotational flow air penetrates from circular passage, produce jet and form the isolation air curtain cover (being similar to cyclone) rotating dust hood is lived, utilize the shielding action of the isolation air curtain cover of jet air formation, stop the air of wind sucting tube the place ahead surrounding to enter suction district, the dust laden air of suction district enters wind sucting tube through the inside of described isolation air curtain cover, enter subsequently air duct, and then the far away high concentrate dust air that contains of adjusting the distance carries out orientation suction.
3, the outboard end of the utility model wind sucting tube stretches out spray air duct.Can make the extension of wind sucting tube that the isolation air curtain cover of circular passage ejection is isolated in the position near wind sucting tube with the air that enters wind sucting tube, avoid isolation air curtain cover and the air turbulization disturbance that enters wind sucting tube from circular passage ejection.Meanwhile, the extension of described wind sucting tube can also be to playing certain guiding function from the isolation air curtain cover of circular passage ejection.
4, shrink gradually to the side away from centrifugal blower circular passage described in the utility model.Make like this air in circular passage can accelerate ejection, form larger isolation air curtain cover.
5, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, flexible and convenient to use, and directed good dedusting effect is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model spiral deflector and wind sucting tube.
Fig. 3 is roll guard in the utility model dust filtration device and the annexation schematic diagram of protective screening.
Description of reference numerals:
1-circular passage; 2-spray air duct; 3-wind sucting tube;
4-spiral deflector; 5-air intake; 6-joint ring;
7-air intake; 8-air duct; 8-1-the first rigidity air duct section;
8-2-the second rigidity air duct section; 8-3-three rigidity air duct section; The flexible air duct section of 8-4-the first;
The flexible air duct section of 8-5-the second; 9-dust filtration device; 9-1-roll guard;
9-2-protective screening; 10-piezometer tube; 11-centrifugal blower;
12-air outlet; 13-connection air duct; 14-stabilizator air intake;
15-air stabilizator; 16-pressure maintaining valve; 17-stabilizator outlet air end;
18-tube connector.
The specific embodiment
The directed dedusting fan of a kind of mine as depicted in figs. 1 and 2, comprises air duct 8, centrifugal blower 11, wind sucting tube 3 and spray air duct 2; One end of described air duct 8 is communicated with wind sucting tube 3, and described spray air duct 2 is set in the outside of wind sucting tube 3, and looping passage 1 between described wind sucting tube 3 and spray air duct 2, is provided with for making air form the spiral deflector 4 of eddy flow in described circular passage 1; The other end of described air duct 8 is connected with the air intake 7 of centrifugal blower 11, and the air outlet 12 of described centrifugal blower 11 is connected with described circular passage 1.This dedusting fan also comprises air stabilizator 15, the stabilizator outlet air end 17 of described air stabilizator 15 is connected with the air intake 5 of circular passage 1 by tube connector 18, and the stabilizator air intake 14 of described air stabilizator 15 is connected with the air outlet 12 of centrifugal blower 11 by connecting air duct 13.In described air duct 8, be provided with the dust filtration device 9 for filtering entering the air of air duct 8.
In conjunction with Fig. 1 and Fig. 2, described spiral deflector 4 is laid around the outer wall of wind sucting tube 3, described spiral deflector 4 is 1 interior formation spirality air channel in circular passage, and then can make to enter by air intake 5 air of circular passage 1, through the guiding formation eddy flow of spiral deflector 4.Described spiral deflector 4 can be clockwise laying, can be also counterclockwise laying.Described spiral deflector 4 can be one, can be also two, is similar to single head spiral or twin-feed spiral.
During use, centrifugal blower 11 running, produces malleations at air outlet 12 places of centrifugal blower 11, at the air intake 7 of centrifugal blower 11, near a side of wind sucting tube 3, produces negative pressure.It is distinguished and admirable that the malleation that described air outlet 12 produces forms steady pressure through air stabilizator 15, enters in circular passage 1, by forming eddy flow after spiral deflector 4 guiding through tube connector 18, pressure air.So, rotational flow air is 1 ejaculation from circular passage, produce jet and form the isolation air curtain cover (being similar to cyclone) rotating dust hood is lived, utilize the shielding action of the isolation air curtain cover of jet air formation, stop the air of wind sucting tube 3 the place ahead surroundings to enter suction district.Simultaneously, because the suction function of centrifugal blower 11, the dust laden air of wind sucting tube 3 the place aheads remote (80cm～100cm) is carried out to orientation suction, the dust laden air of suction district enters wind sucting tube 3 through the inside of described isolation air curtain cover, enter subsequently air duct 8, and through the filtration of dust filtration device 9, airborne dust is dammed to get off, air after filtration enters the air intake 7 of centrifugal blower 11, again forms positive pressure air.Centrifugal blower 11 is so worked, thereby complete, to wind sucting tube 3 is distant, containing high concentrate dust air, carries out orientation suction.Meanwhile, air, under the effect of centrifugal blower 11, circulates, and has reclaimed the kinetic energy rejection of centrifugal blower 11 air outlets 12, has played energy-conserving action.
During use, in centrifugal blower 11 courses of work, if run into pressure, change, when particularly centrifugal blower 11 air outlet 12 pressure increase, air stabilizator 15 will, by pressure maintaining valve 16 by unnecessary Bas Discharged, guarantee the stability of vortex gas-flow.
As shown in Figure 1, the outboard end of described wind sucting tube 3 stretches out spray air duct 2.Preferred way is that the length that the outboard end of described wind sucting tube 3 stretches out spray air duct 2 is 1cm.By wind sucting tube 3, stretch out spray air duct 2, can make the extension of wind sucting tube 3 that the isolation air curtain cover of circular passage 1 ejection is isolated in the position near wind sucting tube 3 with the air that enters wind sucting tube 3, avoid the isolation air curtain cover of 1 ejection from circular passage and the air turbulization disturbance that enters wind sucting tube 3, negative pressure loss when thereby the orientation that causes wind sucting tube 3 is aspirated, the Distance Shortened that causes wind sucting tube 3 directed suctions, affects directed suction effect.Meanwhile, the extension of described wind sucting tube 3 can also play certain guiding function to the isolation air curtain cover of 1 ejection from circular passage.
As shown in Figure 1, described wind sucting tube 3 and spray air duct 2 are tubaeform that outboard end is large, medial extremity is little.Like this, can make on the one hand circular passage 1 form tubaeform that outboard end is large, medial extremity is little, make the isolation air curtain cover of 1 ejection from circular passage also form tubaeform that outboard end is large, medial extremity is little, and then the area of isolation of described isolation air curtain cover is become greatly, wind sucting tube 3 is aspirated the air in the larger region of surrounding of its central axis bearing of trend.On the other hand, the outboard end of wind sucting tube 3 is large mouthful, can increase air inflow, and the medial extremity of wind sucting tube 3 is osculum, can increase air velocity, can either make air inflow increase, and can accelerate intake velocity again, thereby improve the efficiency of dust collection of this dedusting fan.
As shown in Figure 1, shrink gradually to the side away from centrifugal blower 11 described circular passage 1.Make like this air in circular passage 1 can accelerate ejection, form larger isolation air curtain cover.
In conjunction with Fig. 1 and Fig. 3, described dust filtration device 9 comprises roll guard 9-1, protective screening 9-2 and filter membrane, and described protective screening 9-2 is arranged between roll guard 9-1 and described filter membrane, and described filter membrane is arranged on protective screening 9-2 away from a side of centrifugal blower 11.In the present embodiment, the core component of filtration is filter membrane, and described protective screening 9-2 and roll guard 9-1 can effectively strengthen the installation strength of filter membrane.Described protective screening 9-2 is stainless steel cloth, and described roll guard 9-1 is for to be made by iron or other metal.In addition, the air filtering dust-removing equipment that described dust filtration device 9 can also be air filter or other form of structure.
As shown in Figure 1, on described the air duct 8 and both sides that are positioned at dust filtration device 9 are provided with the piezometer tube 10 for being connected with differential manometer.In Chalk-dust filtering process, because the cause that dust filtration device 9 windages are large, in dust filtration device 9 front and back, can produce pressure reduction, this pressure reduction is along with the dust thickness on filter membrane increases and increases, therefore connect differential manometer by piezometer tube 10, monitoring pressure reduction and dust varied in thickness rule, when the dust filtering reaches certain thickness, change dust filtration device 9.
As shown in Figure 1, described air duct 8 comprises the first rigidity air duct section 8-1, the second rigidity air duct section 8-2, the 3rd rigidity air duct section 8-3, the first flexible air duct section 8-4 and the second flexible air duct section 8-5; One end of described the first flexible air duct section 8-4 is connected with one end of the first rigidity air duct section 8-1, the other end of described the first flexible air duct section 8-4 is connected with one end of the second rigidity air duct section 8-2, and the other end of described the second rigidity air duct section 8-2 is connected with the medial extremity of spray air duct 2 with wind sucting tube 3; The other end of described the first rigidity air duct section 8-1 is connected with one end of the second flexible air duct section 8-5, the other end of described the second flexible air duct section 8-5 is connected with one end of the 3rd rigidity air duct section 8-3, and the other end of described the 3rd rigidity air duct section 8-3 is connected with the air intake 7 of centrifugal blower 11.By the design of each flexible air duct section, can make air duct 8 stretch, thereby make this dedusting fan can adapt to the different installation landform of mine.
As Fig. 1, in described the second rigidity air duct section 8-2, be provided with for preventing that the gas in circular passage 1 from entering the joint ring 6 of the second rigidity air duct section 8-2.Thereby avoid the gas in circular passage 1 to enter in air duct 8, cause this dedusting fan to lose efficacy.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. the directed dedusting fan of mine, is characterized in that: comprise air duct (8), centrifugal blower (11), wind sucting tube (3) and spray air duct (2); One end of described air duct (8) is communicated with wind sucting tube (3), described spray air duct (2) is set in the outside of wind sucting tube (3), and looping passage (1) between described wind sucting tube (3) and spray air duct (2), is provided with in described circular passage (1) for making air form the spiral deflector (4) of eddy flow; The other end of described air duct (8) is connected with the air intake (7) of centrifugal blower (11), and the air outlet (12) of described centrifugal blower (11) is connected with described circular passage (1).
2. the directed dedusting fan of a kind of mine according to claim 1, is characterized in that: the outboard end of described wind sucting tube (3) stretches out spray air duct (2).
3. the directed dedusting fan of a kind of mine according to claim 1, is characterized in that: described wind sucting tube (3) and spray air duct (2) are tubaeform that outboard end is large, medial extremity is little.
4. according to the directed dedusting fan of a kind of mine described in claim 1,2 or 3, it is characterized in that: described circular passage (1) is to shrinking gradually away from a side of centrifugal blower (11).
5. the directed dedusting fan of a kind of mine according to claim 1, it is characterized in that: comprise air stabilizator (15), one end of described air stabilizator (15) is connected with circular passage (1), and the other end of described air stabilizator (15) is connected with the air outlet (12) of centrifugal blower (11).
6. the directed dedusting fan of a kind of mine according to claim 1, is characterized in that: in described air duct (8), be provided with the dust filtration device (9) for filtering entering the air of air duct (8).
7. the directed dedusting fan of a kind of mine according to claim 6, it is characterized in that: described dust filtration device (9) comprises roll guard (9-1), protective screening (9-2) and filter membrane, described protective screening (9-2) is arranged between roll guard (9-1) and described filter membrane, and described filter membrane is arranged on protective screening (9-2) away from a side of centrifugal blower (11).
8. the directed dedusting fan of a kind of mine according to claim 6, is characterized in that: described air duct (8) both sides upper and that be positioned at dust filtration device (9) are provided with the piezometer tube (10) for being connected with differential manometer.
9. the directed dedusting fan of a kind of mine according to claim 1, is characterized in that: described air duct (8) comprises the first rigidity air duct section (8-1), the second rigidity air duct section (8-2), the 3rd rigidity air duct section (8-3), the first flexible air duct section (8-4) and the second flexible air duct section (8-5); One end of described the first flexible air duct section (8-4) is connected with one end of the first rigidity air duct section (8-1), the other end of described the first flexible air duct section (8-4) is connected with one end of the second rigidity air duct section (8-2), and the other end of described the second rigidity air duct section (8-2) is connected with the medial extremity of spray air duct (2) with wind sucting tube (3); The other end of described the first rigidity air duct section (8-1) is connected with one end of the second flexible air duct section (8-5), the other end of described the second flexible air duct section (8-5) is connected with one end of the 3rd rigidity air duct section (8-3), and the other end of described the 3rd rigidity air duct section (8-3) is connected with the air intake (7) of centrifugal blower (11).
10. the directed dedusting fan of a kind of mine according to claim 9, is characterized in that: in described the second rigidity air duct section (8-2), be provided with for preventing that the gas in circular passage (1) from entering the joint ring (6) of the second rigidity air duct section (8-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284012.7U CN203856498U (en) | 2014-05-29 | 2014-05-29 | Directional dust removal fan used for shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284012.7U CN203856498U (en) | 2014-05-29 | 2014-05-29 | Directional dust removal fan used for shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856498U true CN203856498U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284012.7U Expired - Fee Related CN203856498U (en) | 2014-05-29 | 2014-05-29 | Directional dust removal fan used for shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982218A (en) * | 2014-05-29 | 2014-08-13 | 西安科技大学 | Oriented dust-removing fan for mines |
-
2014
- 2014-05-29 CN CN201420284012.7U patent/CN203856498U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982218A (en) * | 2014-05-29 | 2014-08-13 | 西安科技大学 | Oriented dust-removing fan for mines |
| CN103982218B (en) * | 2014-05-29 | 2015-12-09 | 西安科技大学 | The directed dedusting fan of a kind of mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20160529 |