CN101259355B - Wet-type dust-removal fan - Google Patents

Wet-type dust-removal fan Download PDF

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Publication number
CN101259355B
CN101259355B CN2008100157110A CN200810015711A CN101259355B CN 101259355 B CN101259355 B CN 101259355B CN 2008100157110 A CN2008100157110 A CN 2008100157110A CN 200810015711 A CN200810015711 A CN 200810015711A CN 101259355 B CN101259355 B CN 101259355B
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China
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tube
wet
dust
air
cone
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CN2008100157110A
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Chinese (zh)
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CN101259355A (en
Inventor
郭峰
郭金
郭光�
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郭峰
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Publication of CN101259355B publication Critical patent/CN101259355B/en
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Abstract

The invention discloses a wet dust removal fan, which comprises a wind-cone. The wind-cone consists of the wall of an outer cone and the wall of an inner cone which is provided with a plurality of through holes. A sandwich cavity is arranged between the wall of the outer cone and the wall of the inner cone; a flow port is opened at the bottom of the wall of the outer cone; a seeper box is connected with the lower part of the wall of the outer cone and is correspondent to the flow port; an outlet is arranged at the bottom of the seeper box; the inner wall of the inner cone is provided with a support which is equipped with an axle; the support is connected with the wind-cone and is arranged between a water injection nozzle and a fan wheel, and the axle is provided with at least a separating blade. The wet dust removal fan has the advantages of high purification efficiency in the practical application, low operational cost, notable energy saving effect and no frequent maintenance, which completely solves the problems that large resistance of the dust removing system exists owning to a filter screen, the handling ability of blast volume is bad, the increasing of the loading of a fan motor is directly affected by the dust capacity adsorbed of and the fan motor is burnt down easily owing to the phenomenon of blocking, thus ensuring the operation safety and work efficiency of the fan motor.

Description

Wet-type dust-removal fan
Technical field
The present invention relates to the cleaner technical field, specifically a kind of Wet-type dust-removal fan that is used for down-hole, mine removal scope of operation surrounding air dust.
Background technology
At present; in the more serious places of dust pollution such as down-hole, mine and constructing tunnels; mostly adopt filtering dust-arrester that the dust in its working environment is carried out filtration treatment,, reach the healthy purpose of effective protection staff with this surrounding air that purifies the scope of operation.This kind filtering dust-arrester is to take the repeatedly endless form of the dust laden air in the scope of operation environment through filter, that is: dust laden air is under the water smoke effect, and cohesion forms the dirt aqueous mixtures, carries out discharging after the processed after filtering through filter again.The problem of its existence is: one, be made of multistorey strainer mesh because of filter, its mesh is minimum, though it can satisfy dust removing effects, but the increasing of dust pelletizing system resistance, air quantity disposal ability and efficiency of dust collection are reduced greatly, and the load of blower motor is increased, cause that energy consumption is big, operating cost is higher; Two, along with the variation of dedusting time, dust adsorbed on the filter is more and more, make its air quantity disposal ability more and more lower, this not only has a strong impact on dust removing effects, and the load that can cause blower motor is increasing, energy consumption is more and more higher, if when stopping state appears in filter, causes blower motor to be burnt easily; Three, because of dust arrester is to move under the higher environment of dust content, its filter then can be assembled a large amount of dust within a short period of time, therefore need carry out regular cleaning or replacing to it, and it makes maintenance work quite heavy.Chinese patent 200620110815.6 discloses a kind of wet-type rotational flow dust-cleaning equipment, and there is the drawback of above-mentioned filtering dust-arrester equally in the dust removal by filtration segmented mode that it is taked.
How can take the filter form to reach the purpose of dust in effective removal dust laden air, can either reduce the dust pelletizing system resistance thus, guarantee the air quantity disposal ability, can guarantee fundamentally that again blower motor remains constant load, effectively saved the energy, and need not often safeguard, be that a great problem to be solved is arranged at present.
Summary of the invention
The purpose of this invention is to provide a kind of Wet-type dust-removal fan, it need not take filtered version can reach the purpose of dust in effective removal dust laden air, and it can solve, and the dust pelletizing system resistance that prior art exists is big, air quantity disposal ability and efficiency of dust collection is lower, energy consumption is higher, burn blower motor and the heavy problem of maintenance work easily.
The objective of the invention is to be achieved through the following technical solutions: Wet-type dust-removal fan, it comprises air duct, water spout is installed in the front portion in the air duct, the motor that is provided with draught fan impeller is installed at the middle part; Offer port on the air duct, the protecting crust that is provided with thermovent is arranged in the air duct, and be connected with air duct, the thermovent of protecting crust is corresponding with port to communicate, motor is installed in the protecting crust, air duct is made up of outer tube wall and the inner tube wall that offers several through holes, and the interlayer cavity is arranged between outer tube wall and the inner tube wall; The bottom of outer tube wall offered the mouth of a river, and water-logging box is connected with the outer tube wall bottom, and with the mouth of a river is corresponding excessively, the bottom of water-logging box offers discharge outlet; Install in the inner tube wall and be provided with the wheel shaft support, support is connected with air duct, and support is arranged between water spout and the draught fan impeller, and at least one separates impeller and is installed on the wheel shaft.
For further realizing also being achieved through the following technical solutions purpose of the present invention: connect at least one collecting ring on the inwall of inner tube wall.Described collecting ring comprises one-level collecting ring and secondary collecting ring.Protecting crust is put in the inner tube wall of air duct, and protecting crust and inner tube wall have at interval each other; By several one-level guide vanes and be first air deflector that circumferential arrangement forms and be arranged in the interval between protecting crust and the inner tube wall, the outboard end of each one-level guide vane is connected with inner tube wall respectively, inboard end is connected with protecting crust respectively.Described one-level collecting ring is arranged on the rearward position of first air deflector, and it has at interval each other.Inner tube wall is provided with by several secondary guide vanes and is second air deflector that circumferential arrangement is formed, and the outboard end of each secondary guide vane is connected with inner tube wall respectively, inboard end is connected with circular barge board respectively.Second air deflector is arranged on the rear portion of protecting crust, and the rearward position of second air deflector is provided with the secondary collecting ring, and it has at interval each other.Motor is installed on the support, and motor separates impeller with at least one and is connected.The cross section of described collecting ring is the L-square shape.The cross section of described collecting ring is the arc plate shape.
The beneficial effect that the present invention can produce: because of the separation impeller of installing in the air duct, ingeniously utilized draught fan impeller to rotate the suction negative pressure that is produced and rotated, it can impel dust in the dust laden air to be mixed with water smoke and form the dust-laden drop, and can make the dust-laden drop produce high speed rotary motion, strengthen conflicting of dust in water smoke droplet and the dust laden air with this, raising is to the capture rate of fine solid particle, and separating the centrifugal force that impeller produced can throw the dust-laden drop on the inner tube wall, dust-laden drop via through holes is discharged from after entering the interlayer cavity and falling into water-logging box, so it not only can carry out primary purifying with dust laden air, but also has saved electric energy;
The eddy flow centrifugal force that produces because of first air deflector can impel the dust in the dust laden air fully to be mixed with water smoke once more, and make it produce high speed rotary motion, strengthen conflicting of dust in water smoke droplet and the dust laden air once more with this, improved capture rate greatly to fine solid particle, and the eddy flow centrifugal force that first air deflector is produced can be thrown the dust-laden drop on the inner tube wall, dust-laden drop via through holes is discharged from after entering the interlayer cavity and falling into water-logging box, so it can will separate once more through the airborne fine solid particle of primary purifying, and this air is purified once more;
Because of producing under the eddy flow action of centrifugal force at second air deflector, further will remain low amounts of dust mixes with water smoke, and make it further produce high speed rotary motion, further strengthen conflicting of dust in water smoke droplet and the dusty gas with this, further improved capture rate to fine solid particle, and the eddy flow centrifugal force that second air deflector is produced can be thrown the dust-laden drop on the inner tube wall, dust-laden drop via through holes is discharged from after entering the interlayer cavity and falling into water-logging box, so it can further separate the fine solid particle in purifying air once more, this air further is purified;
Because of air duct is made up of outer tube wall and the inner tube wall that offers several through holes, the interlayer cavity is arranged between outer tube wall and the inner tube wall, and the bottom at outer tube wall connects the water-logging box that communicates with each other, and offers discharge outlet on the water-logging box, so it can be discharged the dust-laden sewage that enters in the interlayer cavity;
Because of segmentation on the inwall of inner tube wall is provided with at least one collecting ring, it can be with the stream of the dust-containing water on the inner tube wall inner surface by after the collection of collecting ring, flow into water-logging box regularly and be discharged from, played and reduced the effect that water in air is divided content, had the excessive problem of humidity with the air of avoiding air outlet to discharge.
The present invention changes the traditional idea of only taking the screen pack form can remove dust in the dust laden air, unique utilization separates the impeller form promptly can make dust laden air and water smoke form the dedusting form that the dust-laden drop is discharged from, fundamentally substituted net type filter, it has the efficiency of dust collection height in the middle of practical application, operating cost is low, energy-saving effect is remarkable, the advantage that need not often safeguard, it is big thoroughly to have solved the dust pelletizing system resistance that exists because of filter screen, the air quantity disposal ability is poor, adsorbed Dust Capacity directly has influence on the blower motor load and increases, and clogging appears and the problem that causes blower motor to be burnt easily, fundamentally guaranteed the security of operation and the operating efficiency of blower motor.The present invention is the revolution of dedusting technology, is widely used in the down-hole, mine and can produces tangible society, economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Wet-type dust-removal fan of the present invention, it comprises air duct, water spout 5a is installed in the front portion in the air duct, the motor 15 that is provided with draught fan impeller 14 is installed at the middle part; Offer port 1b on the air duct, the protecting crust 16 that is provided with thermovent is arranged in the air duct, and be connected with air duct, the thermovent of protecting crust 16 communicates with port 1b is corresponding, motor 15 is installed in the protecting crust 16, air duct is made up of outer tube wall 1 and the inner tube wall 3 that offers several through holes 3a, between outer tube wall 1 and the inner tube wall 3 interlayer cavity 2 is arranged; The bottom of outer tube wall 1 offered mouth of a river 1a, and water-logging box 6 is connected with outer tube wall 1 bottom, and with mouth of a river 1a is corresponding excessively, the bottom of water-logging box 6 offers discharge outlet 6a; The support 12 that is provided with wheel shaft 13 is installed in the inner tube wall 3, and support 12 is connected with air duct, and support 12 is arranged between water spout 5a and the draught fan impeller 14, and at least one separates impeller 11 and is installed on the wheel shaft 13.Connect at least one collecting ring on the inwall of inner tube wall 3.Described collecting ring comprises one-level collecting ring 22 and secondary collecting ring 22a.Protecting crust 16 is arranged in the inner tube wall 3 of air duct, and protecting crust 16 has at interval each other with inner tube wall 3; By several one-level guide vanes 21 and be first air deflector that circumferential arrangement forms and be arranged in the interval between protecting crust 16 and the inner tube wall 3, the outboard end of each one-level guide vane 21 is connected with inner tube wall 3 respectively, inboard end is connected with protecting crust 16 respectively.Described one-level collecting ring 22 is arranged on the rearward position of first air deflector, and it has at interval each other.Inner tube wall 3 is provided with by several secondary guide vane 21a and is second air deflector that circumferential arrangement is formed, and the outboard end of each secondary guide vane 21a is connected with inner tube wall 3 respectively, inboard end is connected with circular barge board 23 respectively.Second air deflector is arranged on the rear portion of protecting crust 16, and the rearward position of second air deflector is provided with secondary collecting ring 22a, and it has at interval each other.On the support 12 motor is installed, motor separates impeller 11 and is connected with at least one.The cross section of described collecting ring is the L-square shape.The cross section of described collecting ring is the arc plate shape.
Embodiment 1
Water spout 5a is installed in forward position in the air duct of the present invention, medium position is installed the motor 15 that is provided with draught fan impeller 14; Offer port 1b on the air duct, the protecting crust 16 that is provided with thermovent is arranged in the air duct, and is connected with air duct, corresponding the communicating of thermovent of port 1b and protecting crust 16, and motor 15 is installed in the protecting crust 16.Air duct is made up of outer tube wall 1 and the inner tube wall 3 that offers several through holes 3a, between outer tube wall 1 and the inner tube wall 3 interlayer cavity 2 is arranged; The bottom of outer tube wall 1 offered mouth of a river 1a, and water-logging box 6 is connected with outer tube wall 1 bottom, and with mouth of a river 1a is corresponding excessively, the bottom of water-logging box 6 offers discharge outlet 6a; The support 12 that is provided with wheel shaft 13 is installed in the inner tube wall 3, and support 12 is connected with air duct, and support 12 is arranged between water spout 5a and the draught fan impeller 14, and two are separated impeller 11 and are installed in respectively on the wheel shaft 13.Water spout 5a and water pipeline 5 join.Water spout 5a can be provided with a plurality of according to actual needs.
During work, when the air inlet 4 of dust laden air from the air duct front end enters in the air duct, when draught fan impeller 14 produces air-flow by motor 15 rotations, separating 11 in impeller rotates under the effect of this air-flow, make the water smoke that is inhaled into interior dust laden air of air duct and water spout 5a ejection form the dust-laden drop, this dust-containing liquid drops under the centrifugal action of separating impeller 11 generations, thrown on the inner tube wall 3 that offers several through holes 3a, the dust-laden drop entered interlayer cavity 2 by through hole 3a and fell into water-logging box 6 backs and is discharged from by discharge outlet 6a this moment.Dust laden air air outlet 4a from the air duct rear end behind this primary purifying discharges.Can reach more than the 70-80% through the efficiency of dust collection behind the primary purifying.
Embodiment 2
On the basis of embodiment 1, two rear positions of separating impeller 11 are provided with a plurality of collecting rings respectively in air duct, it has at interval each other, a plurality of collecting rings are connected with the inwall of inner tube wall 3 respectively, it can make dust-containing water stream on inner tube wall 3 inwalls by after the collection of collecting ring, flows into water-logging box 6 regularly and is discharged from.Collecting ring can play and reduce the effect that water in air is divided content, and is excessive with the air humidity of avoiding air outlet 4a to discharge.
Embodiment 3
On the basis of embodiment 1, in protecting crust 16 and inner tube wall 3 interval each other, be provided with by several one-level guide vanes 21 and be first air deflector that circumferential arrangement is formed, the outboard end of its each one-level guide vane 21 is connected with inner tube wall 3 respectively, inboard end is connected with protecting crust 16 respectively; And the rearward position at first air deflector is provided with two one-level collecting rings 22 respectively, and it has at interval each other.The eddy flow centrifugal force that first air deflector is produced can be thrown the dust-laden drop on the inner tube wall 3 that offers several through holes 3a once more, and the dust-laden drop then enters interlayer cavity 2 by through hole 3a and falls into water-logging box 6 backs and discharges by discharge outlet 6a; In addition, the stream of the dust-containing water on inner tube wall 3 inner wall surface is discharged by discharge outlet 6a after collecting by the one-level collecting ring 22 of two segmentations settings again.First air deflector can make that remaining a small amount of fine solid particle is mixed once more with water smoke in the primary purifying air, and produce high speed rotary motion once more, strengthened conflicting of a small amount of fine solid particle in water smoke droplet and the dusty gas once more, thereby improved capture rate greatly to a small amount of fine solid particle, the airborne a small amount of fine solid particle of primary purifying separates once more the most at last, makes this air be purified the back once more and discharges from air outlet 4a.One-level collecting ring 22 can play and reduce the effect that water in air is divided content, and is excessive with the air humidity of avoiding air outlet 4a to discharge.Efficiency of dust collection after this handles can reach more than the 90-95%.
Embodiment 4
On the basis of embodiment 1 and embodiment 3, rearward position at first air deflector and one-level collecting ring 22, setting is by several secondary guide vane 21a and be second air deflector that circumferential arrangement is formed, and the outboard end of each secondary guide vane 21a is connected with inner tube wall 3 respectively, inboard end is connected with circular barge board 23 respectively; And the rearward position at second air deflector is provided with two secondary collecting ring 22a, and it has at interval each other.The eddy flow centrifugal force that second air deflector is produced can further be thrown the dust-laden drop on the inner tube wall 3 that offers several through holes 3a, and the dust-laden drop then enters interlayer cavity 2 by through hole 3a and falls into water-logging box 6 backs and discharges by discharge outlet 6a; In addition, be discharged from by discharge outlet 6a again after the secondary collecting ring 22a collection of the stream of the dust-containing water on inner tube wall 3 inner wall surface by two segmentation settings.Remaining minute quantity fine solid particle was further mixed with water smoke during second air deflector can make and purify air once more, and further produce high speed rotary motion, further strengthened conflicting of minute quantity fine solid particle in water smoke droplet and the dusty gas with this, thereby further improved capture rate to the minute quantity fine solid particle, the most airborne minute quantity fine solid particle further separates, and makes this air further be purified the back and discharges from air outlet 4a.Secondary collecting ring 22a can further reduce water loading of the air, and is excessive with the air humidity of avoiding air outlet 4a to discharge.Efficiency of dust collection after this handles can reach more than 99%.
Embodiment 5
On the basis of embodiment 1, on support 12, motor is installed again in addition, this motor separates impeller 11 by transmission device with two and is connected, make two separation impellers 11 directly drive rotation by motor, can be with this according to the difference of dust characteristic, dedusting situation, regulate this rotating speed of motor by control device, make its separating effect better dust laden air.
Separation impeller 11, first air deflector, one-level collecting ring 22, second air deflector, the secondary collecting ring 22a that is provided with respectively in the air duct in sum, difference according to working environment, dust characteristic, dust removing effects and discharge air humidity can suitably increase or reduce set quantity; Its installation site also can suitably be adjusted, to reach the desirable dedusting of the present invention and the effect of drying.
The cross section of collecting ring also can be straight plate shape, and circular, semi-circular shape.Transmission device and control device are known technology.
Technical scheme of the present invention is not limited only to the embodiment of present embodiment record, can also have other embodiment to finish technical scheme of the present invention.
The technology that the present invention does not describe in detail partly is known technology.

Claims (10)

1. Wet-type dust-removal fan, it comprises air duct, water spout (5a) is installed in the front portion in the air duct, the motor (15) that is provided with draught fan impeller (14) is installed at the middle part; Offer port (1b) on the air duct, the protecting crust (16) that is provided with thermovent is arranged in the air duct, and be connected with air duct, the thermovent of protecting crust (16) and corresponding the communicating of port (1b), motor (15) is installed in the protecting crust (16), it is characterized in that: air duct is made up of outer tube wall (1) and the inner tube wall (3) that offers several through holes (3a), between outer tube wall (1) and the inner tube wall (3) interlayer cavity (2) is arranged; The bottom of outer tube wall (1) offered the mouth of a river (1a), and water-logging box (6) is connected with outer tube wall (1) bottom, and corresponding with the mistake mouth of a river (1a), and the bottom of water-logging box (6) offers discharge outlet (6a); The support (12) that is provided with wheel shaft (13) is installed in the inner tube wall (3), and support (12) is connected with air duct, and support (12) is arranged between water spout (5a) and the draught fan impeller (14), and at least one separates impeller (11) and is installed on the wheel shaft (13).
2. Wet-type dust-removal fan according to claim 1 is characterized in that: connect at least one collecting ring on the inwall of inner tube wall (3).
3. Wet-type dust-removal fan according to claim 2 is characterized in that: described collecting ring comprises one-level collecting ring (22) and secondary collecting ring (22a).
4. Wet-type dust-removal fan according to claim 1 is characterized in that: protecting crust (16) is arranged in the inner tube wall (3) of air duct, and protecting crust (16) has at interval each other with inner tube wall (3); By several one-level guide vanes (21) and be first air deflector that circumferential arrangement forms and be arranged in the interval between protecting crust (16) and the inner tube wall (3), the outboard end of each one-level guide vane (21) is connected with inner tube wall (3) respectively, inboard end is connected with protecting crust (16) respectively.
5. according to claim 3 or 4 described Wet-type dust-removal fans, it is characterized in that: described one-level collecting ring (22) is arranged on the rearward position of first air deflector, and it has at interval each other.
6. Wet-type dust-removal fan according to claim 1, it is characterized in that: inner tube wall (3) is provided with by several secondary guide vanes (21a) and is second air deflector that circumferential arrangement is formed, and the outboard end of each secondary guide vane (21a) is connected with inner tube wall (3) respectively, inboard end is connected with circular barge board (23) respectively.
7. according to claim 1 or 3 or 6 described Wet-type dust-removal fans, it is characterized in that: second air deflector is arranged on the rear portion of protecting crust (16), and the rearward position of second air deflector is provided with secondary collecting ring (22a), and it has at interval each other.
8. Wet-type dust-removal fan according to claim 1 is characterized in that: support (12) is gone up motor is installed, and motor separates impeller (11) and is connected with at least one.
9. Wet-type dust-removal fan according to claim 2 is characterized in that: the cross section of described collecting ring is the L-square shape.
10. Wet-type dust-removal fan according to claim 2 is characterized in that: the cross section of described collecting ring is the arc plate shape.
CN2008100157110A 2008-04-24 2008-04-24 Wet-type dust-removal fan CN101259355B (en)

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Application Number Priority Date Filing Date Title
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CN101259355B true CN101259355B (en) 2010-06-09

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816871A (en) * 2010-03-31 2010-09-01 郭峰 Spray centrifugal dust-removing fan
CN104474822A (en) * 2014-11-28 2015-04-01 泰安三元通风除尘设备有限公司 Ultrafine dust capture, desulfurization and denitrification integrated equipment for coal-fired boiler
CN105201924B (en) * 2015-08-18 2017-08-18 蚌埠市拓坚机电有限公司 A kind of self-cleaning negative pressure blower fan
CN105134669B (en) * 2015-08-18 2017-08-25 蚌埠市拓坚机电有限公司 A kind of textile mills' negative-pressure air fan
CN105148662A (en) * 2015-08-25 2015-12-16 太仓旺泰净化设备有限公司 Dust collection device
CN105363312A (en) * 2015-12-11 2016-03-02 苟仲武 Humidification and recovery method of dust in flue gas and device thereof
CN107186028A (en) * 2017-05-26 2017-09-22 合肥蔚然花绿化工程有限公司 A kind of pressing equipment for punching press auto parts
CN111298581A (en) * 2020-04-07 2020-06-19 株洲市东亨科技有限责任公司 Dust collector that subway tunnel construction used

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN2361361Y (en) * 1998-12-07 2000-02-02 杨亚兴 Air purifying dust remover
US6312504B1 (en) * 1998-11-18 2001-11-06 Cft Gmbh Compact Filter Technic Rotary washer with obliquely positioned demister
CN201182966Y (en) * 2008-04-24 2009-01-21 郭峰 Wet-type dust-removal fan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312504B1 (en) * 1998-11-18 2001-11-06 Cft Gmbh Compact Filter Technic Rotary washer with obliquely positioned demister
CN2361361Y (en) * 1998-12-07 2000-02-02 杨亚兴 Air purifying dust remover
CN201182966Y (en) * 2008-04-24 2009-01-21 郭峰 Wet-type dust-removal fan

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